1. A resource treatment device for oily sludge and sand in an oil field comprises a sedimentation tank (1), a filter tank (2), an oil-water separation tank (3), a first pump body (9), a first input pipe (10) and a first output pipe (11), wherein the sedimentation tank (1) is communicated with the filter tank (2) through a pipeline with a valve, the first pump body (9) is installed on the oil-water separation tank (3), the first input pipe (10) and the first output pipe (11) are installed on the first pump body (9), the other end of the first input pipe (10) is communicated with the filter tank (2), the resource treatment device is characterized in that an oil absorption chamber (6) and a negative pressure oil storage chamber (7) are arranged in the oil-water separation tank (3), an oil absorption aeration pipe (23) is installed at the bottom of the oil absorption chamber (6), the other end of the first output pipe (11) is communicated with the oil absorption chamber (6), and an oil concentration mechanism (4) is fixedly installed at the top of the oil-water separation tank (3) through bolts, the oil concentrating mechanism (4) concentrates oil in the negative pressure oil storage chamber (7);

an oil suction assembly (8) is installed in the oil suction chamber (6), the oil suction assembly (8) comprises a third hollow disc (801), a first oil suction pipe (802), a hose (803), a rotating pipe (804), a second oil suction pipe (805), a bubble suction head (806), a floating ball (807), a limiting guide rod (808) and a guide block (809), the third hollow disc (801) is horizontally arranged in the oil suction chamber (6), the top of the third hollow disc (801) is fixedly provided with the rotating pipe (804) communicated with the third hollow disc, an oil collecting cavity (13) is formed in the oil-water separation tank (3), the rotating pipe (804) is rotatably connected with the oil-water separation tank (3) and extends upwards into the oil collecting cavity (13), the first oil suction pipe (802) is vertically arranged and located below the third hollow disc (801), and the hose (803) is communicated with the first oil suction pipe (802) and the third hollow disc (801), a limiting guide rod (808) is vertically arranged at the bottom of the third hollow disc (801), a guide block (809) is fixedly mounted on the first oil suction pipe (802) through a bolt, the guide block (809) is in sliding connection with the limiting guide rod (808), a plurality of groups of second oil suction pipes (805) are mounted at the bottom end of the first oil suction pipe (802), the second oil suction pipes (805) are horizontally arranged, a plurality of groups of bubble suction heads (806) are mounted on the second oil suction pipes (805), and a floating ball (807) is mounted at one end, far away from the first oil suction pipe (802), of the second oil suction pipes (805);

be equipped with connecting pipe (14) of intercommunication oil collecting chamber (13) and negative pressure oil storage chamber (7) on oil water separating tank (3), rotate through the bearing in negative pressure oil storage chamber (7) and install axis of rotation (17), the vertical setting in axis of rotation (17), and the bottom of axis of rotation (17) installs crushing pole (19), crushing pole (19) level is provided with the multiunit, and evenly installs defoaming sharp tooth (21) on crushing pole (19), there are waffle slab (20) through bolt fixed mounting in negative pressure oil storage chamber (7), and waffle slab (20) level setting and be located the below of crushing pole (19).

2. The oil field oily sludge recycling treatment equipment according to claim 1, wherein the oil concentrating mechanism (4) comprises a box body (401), a liquid storage chamber (402), a heat conducting chamber (403), an evaporation chamber (404), an electric heating plate (405), a second pump body (406), a second input pipe (407), a second output pipe (408), a third pump body (409), a third input pipe (410), a third output pipe (411), a first hollow disc (412), a second hollow disc (413), an oil dispersing pipe (414), a heat insulating sleeve (415), a first annular pipe (416), a second annular pipe (417), an oil conveying pipe (418) and a liquid return pipe (419); a liquid storage chamber (402), a heat conduction chamber (403) and an evaporation chamber (404) are formed in the box body (401), the liquid storage chamber (402) is located below the evaporation chamber (404), the heat conduction chamber (403) is located between the liquid storage chamber (402) and the evaporation chamber (404), and an electric heating plate (405) is fixedly mounted in the liquid storage chamber (402) through bolts;

the top of the heat conduction chamber (403) is fixedly provided with a second hollow disc (413) through bolts, the bottom of the heat conduction chamber (403) is fixedly provided with a first hollow disc (412) through bolts, the oil dispersion pipe (414) is vertically provided with a plurality of groups and communicated with the first hollow disc (412) and the second hollow disc (413), the outer peripheral surface of the oil dispersion pipe (414) is provided with a heat insulation sleeve (415), the heat insulation sleeve (415) is vertically arranged, the first annular pipe (416) and the second annular pipe (417) are horizontally arranged in the heat conduction chamber (403), the first annular pipe (416) is positioned below the second annular pipe (417), and the first annular pipe (416) and the second annular pipe (417) are communicated with the heat insulation sleeves (415);

install the second pump body (406) and the third pump body (409) through the mount pad on box (401), install second input tube (407) and second output tube (408) on the second pump body (406), and the other end and the negative pressure oil storage room (7) of second input tube (407) communicate, the other end and first hollow dish (412) intercommunication of second output tube (408), install third input tube (410) and third output tube (411) on the third pump body (409), and the other end and the stock solution room (402) intercommunication of third input tube (410), the other end and first ring pipe (416) intercommunication of third output tube (411), liquid return pipe (419) intercommunication second ring pipe (417) and stock solution room (402), the both ends of defeated oil pipe (418) communicate hollow dish (413) of second and evaporating chamber (404) respectively.

3. The oil field oil-containing silt resource treatment equipment according to claim 2, a second motor (420) is fixedly arranged on the box body (401) through a motor base, a hollow shaft (421) is arranged at the output end of the second motor (420), and the hollow shaft (421) is horizontally arranged in the evaporation chamber (404) and is rotationally connected with the box body (401), the oil outlet end of the oil delivery pipe (418) extends into the hollow shaft (421), the peripheral surface of the hollow shaft (421) is fixedly provided with a hollow turntable (422) through a bolt, the hollow shaft (421) is communicated with the hollow rotary table (422), oil outlet holes (426) are arranged on the two side disc surfaces of the hollow rotary table (422), the top of the box body (401) is provided with a second exhaust port (425) communicated with the evaporation chamber (404), an oil outlet pipe (427) communicated with the evaporation chamber (404) is installed on the side wall of the box body (401).

4. The oilfield oily sludge sand recycling treatment equipment as claimed in claim 3, wherein the top of the evaporation chamber (404) is rotatably provided with a movable shaft (423) through a bearing, the hollow shaft (421) is meshed with the movable shaft (423) through a bevel gear, the movable shaft (423) is fixedly provided with a second row of fan blades (424) through bolts, and the second row of fan blades (424) are positioned right below the second exhaust port (425).

5. The oil field oily sand recycling treatment device as claimed in claim 3, wherein a first branch pipe (428) and a second branch pipe (430) are installed at one end, away from the evaporation chamber (404), of the oil outlet pipe (427), an oil water mixing sensor (429) is installed on the oil outlet pipe (427), valves are respectively arranged on the first branch pipe (428) and the second branch pipe (430), the other end of the first branch pipe (428) is connected with an oil storage tank, and the other end of the second branch pipe (430) is connected with a second input pipe (407).

6. The oil field oily sludge sand recycling treatment equipment as claimed in claim 1, wherein the front surface of the oil-water separation tank (3) is fixedly provided with an observation window (5) through a bolt, the oil-water separation tank (3) is provided with a blower, the outlet of the blower is provided with a blast pipe, and the other end of the blast pipe is communicated with the aeration pipe (23).

7. The oil field oily sludge sand resource treatment equipment as claimed in claim 1, wherein a sludge pump is installed on the sedimentation tank (1), a sludge pumping pipe and a sludge conveying pipe are installed on the sludge pumping pump, the other end of the sludge pumping pipe is communicated with the bottom of the sedimentation tank (1), the other end of the sludge conveying pipe is connected with a sludge filter press, a sludge outlet and a water outlet pipe are installed on the sludge filter press, and the other end of the water outlet pipe is communicated with the sedimentation tank.

8. The oil field oily sludge sand resourceful treatment equipment as claimed in claim 1, wherein a first exhaust port (22) is formed in the side wall of the oil-water separation tank (3), a first motor (12) is fixedly mounted on the oil-water separation tank (3) through a motor base, an output shaft (15) is mounted at the output end of the first motor (12), a first exhaust fan blade (18) is mounted on the output shaft (15), the blowing direction of the first exhaust fan blade (18) faces the first exhaust port (22), and the output shaft (15) is in meshing transmission connection with the rotating shaft (17) through a bevel gear.

9. The oil field oily sludge sand recycling treatment device according to claim 8, wherein the oil-water separation tank (3) is rotatably provided with a transmission shaft (16) through a bearing, the transmission shaft (16) is horizontally arranged, the rotating shaft (17) is in meshing transmission connection with the transmission shaft (16) through a bevel gear, and the transmission shaft (16) is in meshing transmission connection with the rotating pipe (804) through the bevel gear.

10. The resource treatment method of the oil field oil-containing silt according to claim 1, which is characterized by comprising the following steps:

s1, washing the oil-containing silt and conveying the oil-containing silt solution into the sedimentation tank (1), and settling the oil-containing silt solution in the sedimentation tank (1);

s2, after precipitating for 2-3h, conveying the upper solution into a filter tank (2);

s3, filtering the entering upper solution by a filtering tank (2) to filter solid particles in the upper solution;

s4, the first pump body (9) pumps the filtered oil-containing solution in the filter tank (2) into the oil absorption chamber (6), the aeration pipe (23) aerates, bubbles carry the oil to float on the liquid level, the oil absorption component (8) absorbs the floating oil on the liquid level and conveys the floating oil to the oil collection chamber (13), and the oil absorption operation of the oil absorption component (8) is as follows:

due to the action of negative pressure, the suction head (806) sucks the floating oil on the liquid surface, each group of second suction pipes (805) conveys the floating oil into the first suction pipe (802), the hose (803) conveys the floating oil in the first suction pipe (802) into the third hollow disc (801), the rotating pipe (804) conveys the floating oil in the third hollow disc (801) into the oil collecting cavity (13), and in the process of sucking the floating oil, the rotating pipe (804) rotates, and each group of second suction pipes (805) rotates along with the rotating pipe to effectively suck the floating oil at each position on the liquid surface;

s5, conveying the sucked oil into a negative pressure oil storage chamber (7) through a connecting pipe (14), driving a crushing rod (19) to rotate through a rotating shaft (17), and crushing the bubbles in the floating oil through the crushing rod (19) and defoaming sharp teeth (21) arranged on the surface of the crushing rod to perform a defoaming effect;

in the defoaming process, the output shaft (15) drives the first row of fan blades (18) to rotate so as to enable the inside of the negative pressure oil storage chamber (7) to be in a negative pressure state, and gas generated in the defoaming process is rapidly discharged, so that floating oil is conveyed and the defoaming effect is improved;

s6, concentrating the defoamed floating oil by the oil concentrating mechanism (4) to reduce the water content in the floating oil, wherein the concentration operation is as follows:

the second pump body (406) conveys oil in the negative pressure oil storage chamber (7) to the first hollow disc (412), the third pump body (409) conveys high-temperature heat conduction liquid in the liquid storage chamber (402) to the first annular pipe (416), the oil is uniformly dispersed into each group of oil dispersion pipes (414), the high-temperature heat conduction liquid is uniformly dispersed into each group of heat insulation sleeve pipes (415), the high-temperature heat conduction liquid conducts heat to the oil in the oil dispersion pipes (414), and the temperature of the oil is increased;

the heat-conducting liquid in each group of heat-insulating sleeves (415) enters a second annular pipe (417) and flows back to the liquid storage chamber (402) through a liquid return pipe (419), the oil after temperature rise enters a second hollow disc (413) and is conveyed into a hollow shaft (421) through an oil conveying pipe (418), the oil in the hollow shaft (421) enters a hollow rotary disc (422) and is sprayed out through an oil outlet hole (426), and the heated water is evaporated;

the second motor (420) is started, the hollow shaft (421) is rotated by the second motor (420), the hollow rotary disc (422) rotates along with the hollow shaft to disperse sprayed oil, the hollow shaft (421) drives the movable shaft (423) to rotate, the movable shaft (423) drives the second row of fan blades (424) to rotate, and the second row of fan blades (424) quickly discharge evaporated water vapor, so that the water evaporation efficiency and the concentration effect are accelerated;

s7, outputting the concentrated oil through the oil outlet pipe (427), detecting the water content of the oil by the oil water mixing sensor (429), opening the valve on the first branch pipe (428) and conveying the oil to the oil storage tank when the water content of the oil is smaller than a preset value, and opening the valve on the second branch pipe (430) and enabling the oil to flow back to the second input pipe (407) when the water content of the oil is larger than the preset value so as to treat the oil to be concentrated again.

Background

The oil-containing silt is a mixture of silt, sand and water which are generated in the production activities of oil fields and mainly come from various links such as crude oil exploitation, gathering and transportation, refining and the like, and are polluted by crude oil and other organic matters, hydrocarbon substances contained in the oil-containing silt have great harm to the environment, and the direct discharge of the oil-containing silt can not only pollute the environment, but also cause resource waste, so the oil-containing silt of the oil fields needs to be treated;

the existing oil field oil-containing silt treatment equipment mainly separates oil water and silt by a precipitation and filtration method, and is inconvenient to quickly separate oil from the oil water in a specific use process, so that the treatment efficiency and treatment effect are poor, the obtained oil has high water content, the oil cannot be further concentrated, and the overall treatment effect of the equipment cannot be improved;

in view of the above technical drawbacks, a solution is proposed.

Disclosure of Invention

The invention aims to provide a resource treatment device and a resource treatment method for oil-containing silt in an oil field, wherein an oil absorption assembly is arranged to pump out oil in a solution, so that the oil absorption efficiency and the oil absorption effect are improved, an oil concentration mechanism is arranged to reduce the water content in the oil, so that the quality and the treatment effect of the oil are improved, the quality of the recovered oil is further improved, and the problems that the existing oil-containing silt treatment device in the oil field is inconvenient to quickly separate the oil from oil water, the obtained oil has high water content, the oil cannot be further concentrated, and the treatment effect and the treatment efficiency of the whole device are poor are solved.

In order to achieve the purpose, the invention provides the following technical scheme:

a resource treatment device for oily sludge and sand in an oil field comprises a sedimentation tank, a filter tank, an oil-water separation tank, a first pump body, a first input pipe and a first output pipe, wherein the sedimentation tank is communicated with the filter tank through a pipeline with a valve, the oil-water separation tank is provided with the first pump body, the first pump body is provided with the first input pipe and the first output pipe, the other end of the first input pipe is communicated with the filter tank, an oil suction chamber and a negative pressure oil storage chamber are arranged in the oil-water separation tank, an aeration pipe is arranged at the bottom of the oil suction chamber, the other end of the first output pipe is communicated with the oil suction chamber, the top of the oil-water separation tank is fixedly provided with an oil concentration mechanism through bolts, and the oil concentration mechanism is used for concentrating oil in the negative pressure oil storage chamber;

an oil suction assembly is installed in the oil suction chamber and comprises a third hollow disc, a first oil suction pipe, a hose, a rotating pipe, a second oil suction pipe, a suction head, a floating ball, a limiting guide rod and a guide block, the third hollow disc is horizontally arranged in the oil suction chamber, the top of the third hollow disc is fixedly provided with the rotating pipe communicated with the third hollow disc, an oil collecting cavity is formed in the oil-water separation tank, the rotating pipe is rotatably connected with the oil-water separation tank and extends upwards into the oil collecting cavity, the first oil suction pipe is vertically arranged and is positioned below the third hollow disc, the hose is communicated with the first oil suction pipe and the third hollow disc, the bottom of the third hollow disc is vertically provided with the limiting guide rod, the first oil suction pipe is provided with the guide block through bolt fixing, the guide block is connected with the limiting guide rod in a sliding manner, and a plurality of groups of second oil suction pipes are installed at the bottom end of the first oil suction pipe, the second oil suction pipe is horizontally arranged, a plurality of groups of suction heads are arranged on the second oil suction pipe, and a floating ball is arranged at one end, far away from the first oil suction pipe, of the second oil suction pipe;

be equipped with the connecting pipe of intercommunication oil collecting chamber and negative pressure oil storage chamber on the water oil separating case, install the axis of rotation through the bearing rotation in the negative pressure oil storage chamber, the vertical setting of axis of rotation, and the bottom of axis of rotation installs the broken pole, broken pole level is provided with the multiunit, and evenly installs the sharp tooth of defoaming on the broken pole, there is the grid plate in the negative pressure oil storage chamber through bolt fixed mounting, and the grid plate level sets up and is located the below of broken pole.

Furthermore, the oil concentrating mechanism comprises a box body, a liquid storage chamber, a heat conduction chamber, an evaporation chamber, an electric heating plate, a second pump body, a second input pipe, a second output pipe, a third pump body, a third input pipe, a third output pipe, a first hollow disc, a second hollow disc, an oil dispersing pipe, a heat preservation sleeve, a first annular pipe, a second annular pipe, an oil conveying pipe and a liquid return pipe; a liquid storage chamber, a heat conduction chamber and an evaporation chamber are arranged in the box body, the liquid storage chamber is positioned below the evaporation chamber, the heat conduction chamber is positioned between the liquid storage chamber and the evaporation chamber, and an electric heating plate is fixedly arranged in the liquid storage chamber through a bolt;

the top of the heat conduction chamber is fixedly provided with a second hollow disc through bolts, the bottom of the heat conduction chamber is fixedly provided with a first hollow disc through bolts, the oil dispersion pipe is vertically provided with a plurality of groups and communicated with the first hollow disc and the second hollow disc, the outer peripheral surface of the oil dispersion pipe is provided with a heat insulation sleeve, the heat insulation sleeve is vertically arranged, the first annular pipe and the second annular pipe are horizontally arranged in the heat conduction chamber, the first annular pipe is positioned below the second annular pipe, and the first annular pipe and the second annular pipe are communicated with each group of heat insulation sleeve;

install the second pump body and the third pump body through the mount pad on the box, install second input tube and second output tube on the second pump body, and the other end and the negative pressure oil storage room intercommunication of second input tube, the other end and the first hollow dish intercommunication of second output tube, install third input tube and third output tube on the third pump body, and the other end and the stock solution room intercommunication of third input tube, the other end and the first ring pipe intercommunication of third output tube, liquid return pipe intercommunication second ring pipe and stock solution room, defeated oil pipe's both ends communicate the hollow dish of second and evaporating chamber respectively.

Further, there is the second motor through motor cabinet fixed mounting on the box, the hollow shaft is installed to the output of second motor, and the hollow shaft level sets up and rotate with the box and be connected in the evaporating chamber, defeated oil pipe's the end of producing oil extends into in the hollow shaft, there is hollow carousel the outer peripheral face of hollow shaft through bolt fixed mounting, and hollow shaft and hollow carousel intercommunication, be equipped with the oil outlet in hollow carousel's the both sides quotation, the second gas vent with the evaporating chamber intercommunication is seted up at the top of box, the play oil pipe with the evaporating chamber intercommunication is installed to the lateral wall of box.

Furthermore, the top of evaporating chamber rotates through the bearing and installs the loose axle, the hollow shaft passes through bevel gear and loose axle meshing connection, there is the second row fan leaf on the loose axle through bolt fixed mounting, and the second row fan leaf is located under the second gas vent.

Furthermore, a first branch pipe and a second branch pipe are installed at one end, away from the evaporation chamber, of the oil outlet pipe, an oil water mixing sensor is installed on the oil outlet pipe, valves are arranged on the first branch pipe and the second branch pipe respectively, the other end of the first branch pipe is connected with the oil storage tank, and the other end of the second branch pipe is connected with the second input pipe.

Furthermore, the front surface of the oil-water separation tank is fixedly provided with an observation window through a bolt, the oil-water separation tank is provided with an air blower, an outlet of the air blower is provided with a blast pipe, and the other end of the blast pipe is communicated with the aeration pipe.

Furthermore, install the dredge pump on the sedimentation tank, install on the dredge pump and take out mud pipe and defeated mud pipe, and the other end of taking out mud pipe and the bottom intercommunication of sedimentation tank, the mud pressure filter is connected to the other end of defeated mud pipe, installs mud outlet and outlet pipe on the mud pressure filter, and the other end of outlet pipe communicates the sedimentation tank.

Further, first exhaust port has been seted up to oil water separator's lateral wall, there is first motor through motor cabinet fixed mounting on the oil water separator, the output shaft is installed to the output of first motor, install first exhaust fan leaf on the output shaft, the blast air direction of first exhaust fan leaf is towards first exhaust port, and the output shaft passes through bevel gear and rotation axis meshing transmission and is connected.

Furthermore, a transmission shaft is rotatably installed on the oil-water separation tank through a bearing, the transmission shaft is horizontally arranged, the rotating shaft is in meshed transmission connection with the transmission shaft through a bevel gear, and the transmission shaft is in meshed transmission connection with the rotating pipe through the bevel gear.

The invention also provides a resource treatment method of the oil field oil-containing silt, which comprises the following steps:

s1, washing the oil-containing silt and conveying the oil-containing silt solution into a sedimentation tank, and settling the oil-containing silt solution in the sedimentation tank;

s2, after precipitating for 2-3h, conveying the upper solution into a filtering tank;

s3, filtering the entering upper-layer solution by a filter tank to filter solid particles in the upper-layer solution;

s4, the first pump body pumps the filtered oil-containing solution in the filter tank into the oil absorption chamber, the aeration pipe performs aeration, bubbles carry the oil to float on the liquid level, the oil absorption assembly absorbs the floating oil on the liquid level and conveys the floating oil to the oil collection cavity, and the oil absorption operation of the oil absorption assembly is as follows:

under the action of negative pressure, the bubble suction head sucks the floating oil on the liquid level, each group of second oil suction pipes conveys the floating oil into the first oil suction pipe, the hose conveys the floating oil in the first oil suction pipe into the third hollow disc, the rotating pipe conveys the floating oil in the third hollow disc into the oil collecting cavity, and in the floating oil sucking process, the rotating pipe rotates, and each group of second oil suction pipes rotates along with the rotating pipe to effectively suck the floating oil at each position on the liquid level;

s5, the connecting pipe conveys the sucked oil to the negative pressure oil storage chamber, the rotating shaft drives the crushing rod to rotate, and the crushing rod and the defoaming sharp teeth arranged on the surface of the crushing rod break bubbles in the floating oil to achieve a defoaming effect;

in the defoaming process, the output shaft drives the first exhaust fan blade to rotate, so that the negative pressure oil storage chamber is in a negative pressure state, gas generated in the defoaming process is quickly exhausted, floating oil is conveyed, and the defoaming effect is improved;

s6, concentrating the defoamed floating oil by the oil concentrating mechanism to reduce the water content in the floating oil, wherein the concentrating operation is as follows:

the second pump body conveys the oil in the negative pressure oil storage chamber into the first hollow disc, the third pump body conveys high-temperature heat conduction liquid in the liquid storage chamber into the first annular pipe, the oil is uniformly dispersed into each group of oil dispersion pipes, the high-temperature heat conduction liquid is uniformly dispersed into each group of heat insulation sleeve pipes, the high-temperature heat conduction liquid conducts heat to the oil in the oil dispersion pipes, and the temperature of the oil rises;

the heat-conducting liquid in each group of heat-insulating sleeve pipes enters the second annular pipe and flows back to the liquid storage chamber through the liquid return pipe, the heated oil enters the second hollow disc and is conveyed into the hollow shaft through the oil conveying pipe, the oil in the hollow shaft enters the hollow rotary disc and is sprayed out through the oil outlet hole, and the heated water is evaporated;

the second motor is started, the hollow shaft is rotated by the second motor, the hollow rotary disc rotates along with the hollow shaft to disperse the sprayed oil, the hollow shaft drives the movable shaft to rotate, the movable shaft drives the second exhaust fan blade to rotate, and the second exhaust fan blade quickly exhausts evaporated water vapor, so that the water evaporation efficiency and the concentration effect are accelerated;

s7, the oil after concentration is output through the oil outlet pipe, the water content of the oil is detected by the oil water mixing sensor, when the water content of the oil is smaller than a preset value, the valve on the first branch pipe is opened and the oil is conveyed to the oil storage tank, and when the water content of the oil is larger than the preset value, the valve on the second branch pipe is opened and the oil flows back to the second input pipe to treat the oil to be concentrated again.

Compared with the prior art, the invention has the beneficial effects that:

1. in the invention, oil-containing silt solution is precipitated in a precipitation tank, the upper solution in the precipitation tank is conveyed into a filtering tank, and the filtering tank filters the upper solution in the precipitation tank to filter silt in the sedimentation tank, so that oil and silt are separated;

2. according to the invention, the oil absorption assembly is arranged, the foam absorption head absorbs floating oil on the liquid level, each group of second oil absorption pipes conveys the floating oil into the first oil absorption pipe, the hose conveys the floating oil in the first oil absorption pipe into the third hollow disc, the rotating pipe conveys the floating oil in the third hollow disc into the oil collection cavity, the rotating pipe drives each group of second oil absorption pipes to rotate so as to effectively absorb the floating oil at each position on the liquid level, and the second oil absorption pipes automatically adapt to the height of the liquid level under the combined action of the floating balls and the limiting guide rods along with the rising or lowering of the liquid level, so that oil in the solution can be extracted, and the oil absorption efficiency and the oil absorption effect can be improved;

3. according to the invention, the sucked oil is conveyed into the negative pressure oil storage chamber through the connecting pipe, the rotating shaft drives the crushing rod to rotate, the defoaming sharp teeth crush bubbles in the floating oil to play a defoaming role, the negative pressure oil storage chamber is in a negative pressure state when the first exhaust fan blade rotates, the conveying of the floating oil is facilitated, the defoaming effect is improved, and the foam in the oil is attached to the upper part of the grid plate, so that the bubbles in the oil are completely eliminated;

4. in the invention, the first row of fan blades, the rotating shaft and the rotating pipe are rotated by arranging the motor, so that the synchronous operation of oil absorption, defoaming and air exhaust is realized, the cost is saved, and the operation is simple;

5. according to the invention, by arranging the oil concentrating mechanism, the oil is uniformly dispersed into each group of oil dispersing pipes, the high-temperature heat conducting liquid is uniformly dispersed into each group of heat-insulating sleeve pipes, the high-temperature heat conducting liquid conducts heat to the oil in the oil dispersing pipes so as to uniformly heat and raise the temperature of the oil, the oil after being heated enters the second hollow disc and enters the evaporation chamber through the oil conveying pipe, and the water in the oil is evaporated out so as to reduce the water content in the oil and improve the quality and the treatment effect of the oil;

6. according to the invention, the oil material after being heated is conveyed into the hollow shaft, the oil material in the hollow shaft enters the hollow rotary table, the oil material in the hollow rotary table is uniformly sprayed out through the oil outlet holes, heated moisture is quickly evaporated out, the hollow shaft rotates, and the hollow rotary table rotates along with the hollow rotary table to disperse the sprayed oil material, so that the moisture evaporation efficiency is further accelerated;

7. according to the invention, the hollow shaft and the second exhaust fan blade are rotated by arranging the motor, so that the synchronous operation of oil injection operation and air exhaust operation is realized, the cost is saved, and the evaporation efficiency and the evaporation effect of water in oil can be improved;

8. according to the invention, the water content of the oil is detected by the oil water mixing sensor, when the water content of the oil is smaller than a preset value, the valve on the first branch pipe is opened and the oil is conveyed into the oil storage tank, and when the water content of the oil is larger than the preset value, the valve on the second branch pipe is opened and the oil flows back to the second input pipe, so that the oil is concentrated again, and the treatment effect is further improved.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings;

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of an oil-water separation tank according to the present invention;

FIG. 4 is a schematic structural view of an oil absorption assembly according to the present invention;

fig. 5 is a schematic view (in plan view) of the connection of the first suction pipe and the second suction pipe in the present invention;

FIG. 6 is a schematic view (in plan) of the connection of the crushing rod and the rotating shaft in the present invention;

FIG. 7 is a schematic view of the oil concentrating mechanism according to the present invention;

FIG. 8 is a schematic view showing the connection of the first hollow disc, the second hollow disc, the first annular tube, the second annular tube, the oil dispersion tube and the thermal sleeve of FIG. 7;

FIG. 9 is a schematic view (in plan view) of the connection of the first annular pipe and the insulating sleeve in the present invention;

FIG. 10 is a schematic view of the structure of the evaporation chamber in FIG. 7;

FIG. 11 is a cross-sectional view of a hollow shaft and hollow turntable of the present invention;

FIG. 12 is a connection diagram of the hollow shaft and hollow turntable in the present invention.

Reference numerals: 1. a sedimentation tank; 2. a filtration tank; 3. an oil-water separation tank; 4. an oil concentrating mechanism; 5. an observation window; 6. an oil absorption chamber; 7. a negative pressure oil storage chamber; 8. an oil absorption assembly; 9. a first pump body; 10. a first input pipe; 11. a first output pipe; 12. a first motor; 13. an oil collecting cavity; 14. a connecting pipe; 15. an output shaft; 16. a drive shaft; 17. a rotating shaft; 18. a first row of fan blades; 19. a breaking bar; 20. a grid plate; 21. defoaming sharp teeth; 22. a first exhaust port; 23. an aeration pipe; 401. a box body; 402. a liquid storage chamber; 403. a heat conducting chamber; 404. an evaporation chamber; 405. an electrical heating plate; 406. a second pump body; 407. a second input pipe; 408. a second output pipe; 409. a third pump body; 410. a third input pipe; 411. a third output pipe; 412. a first hollow disc; 413. a second hollow disc; 414. an oil dispersion pipe; 415. a heat-insulating sleeve; 416. a first annular tube; 417. a second annular tube; 418. an oil delivery pipe; 419. a liquid return pipe; 420. a second motor; 421. a hollow shaft; 422. a hollow rotary table; 423. a movable shaft; 424. a second row of fan blades; 425. a second exhaust port; 426. an oil outlet hole; 427. an oil outlet pipe; 428. a first branch pipe; 429. an oil-water mixing sensor; 430. a second branch pipe; 801. a third hollow disc; 802. a first oil suction pipe; 803. a hose; 804. rotating the tube; 805. a second oil suction pipe; 806. a bubble suction head; 807. a floating ball; 808. a limiting guide rod; 809. and a guide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-12, the oil field oily sludge recycling treatment equipment provided by the invention comprises a sedimentation tank 1, a filter tank 2, an oil-water separation tank 3, a first pump body 9, a first input pipe 10 and a first output pipe 11, wherein the sedimentation tank 1 is communicated with the filter tank 2 through a pipeline with a valve, an oily sludge solution is precipitated in the sedimentation tank 1, an upper solution is conveyed into the filter tank 2, the filter tank 2 filters the entered upper solution to filter solid particles in the upper solution, a sludge pump is installed on the sedimentation tank 1, a sludge pumping pipe and a sludge conveying pipe are installed on the sludge pumping pump, the other end of the sludge pumping pipe is communicated with the bottom of the sedimentation tank 1, the other end of the sludge conveying pipe is connected with a sludge filter press, a sludge outlet and a water outlet pipe are installed on the sludge filter press, the other end of the water outlet pipe is communicated with the sedimentation tank, the first pump body 9 is installed on the oil-water separation tank 3, a first input pipe 10 and a first output pipe 11 are installed on the first pump body 9, the other end of the first input pipe 10 is communicated with the filter tank 2, an oil absorption chamber 6 and a negative pressure oil storage chamber 7 are arranged in the oil-water separation tank 3, an aeration pipe 23 is installed at the bottom of the oil absorption chamber 6, an air blower is installed on the oil-water separation tank 3, a blast pipe is installed at the outlet of the air blower, the other end of the blast pipe is communicated with the aeration pipe 23, the air blower blows air into the aeration pipe 23 through the blast pipe, the aeration pipe 23 conducts aeration, the other end of the first output pipe 11 is communicated with the oil absorption chamber 6, the first pump body 9 pumps the oil-containing solution filtered in the filter tank 2 into the oil absorption chamber 6, air bubbles generated in the aeration process float on the liquid level with oil, the top of the oil-water separation tank 3 is fixedly provided with an oil concentration mechanism 4 through bolts, and the oil concentration mechanism 4 concentrates the oil in the negative pressure oil storage chamber 7; the front surface of the oil-water separation tank 3 is fixedly provided with an observation window 5 through bolts, and the oil suction operation and the defoaming operation are checked through the observation window 5;

an oil suction assembly 8 is arranged in the oil suction chamber 6, the oil suction assembly 8 comprises a third hollow disc 801, a first oil suction pipe 802, a hose 803, a rotating pipe 804, a second oil suction pipe 805, a bubble suction head 806, a floating ball 807, limiting guide rods 808 and guide blocks 809, the third hollow disc 801 is horizontally arranged in the oil suction chamber 6, the rotating pipe 804 communicated with the third hollow disc 801 is fixedly arranged at the top of the third hollow disc 801, an oil collecting cavity 13 is formed in the oil-water separation tank 3, the rotating pipe 804 is rotatably connected with the oil-water separation tank 3 and extends upwards into the oil collecting cavity 13, the first oil suction pipe 802 is vertically arranged and is positioned below the third hollow disc 801, the hose 803 is communicated with the first oil suction pipe 802 and the third hollow disc 801, the bottom of the third hollow disc 801 is vertically provided with the limiting guide rods 808, the limiting guide rods 808 are multiple groups, the guide blocks 809 are fixedly arranged on the first oil suction pipe 802 through bolts, and the guide blocks 809 are connected with the limiting guide rods 808 in a sliding manner, the limiting guide rod 808 has limiting and guiding effects on the guide block 809, the guide block 809 can drive the first oil suction pipe 802 to move in the vertical direction, a plurality of groups of second oil suction pipes 805 are installed at the bottom end of the first oil suction pipe 802, the second oil suction pipes 805 are horizontally arranged, a plurality of groups of bubble suction heads 806 are installed on the second oil suction pipes 805, the bubble suction heads 806 suck floating oil on the liquid surface, each group of second oil suction pipes 805 convey the floating oil into the first oil suction pipe 802, the flexible pipes 803 convey the floating oil in the first oil suction pipe 802 into the third hollow disc 801, the rotating pipe 804 conveys the floating oil in the third hollow disc 801 into the oil collecting cavity 13, in the floating oil sucking process, the rotating pipe 804 rotates, each group of second oil suction pipes 805 rotates along with the rotating pipe to effectively suck the floating oil at each position on the liquid surface, which is beneficial to sucking oil in the solution, oil sucking efficiency and oil sucking effect are improved, a floating ball 807 is installed at one end of the second oil suction pipe 805 away from the first oil suction pipe 802, the floating ball 807 enables the second oil suction pipe 805 to float on the liquid level, and the second oil suction pipe 805 automatically adapts to the liquid level height under the combined action of the floating ball 807 and the limiting guide rod 808 along with the rising or lowering of the liquid level;

the oil-water separation tank 3 is provided with a connecting pipe 14 communicating the oil collecting cavity 13 and the negative pressure oil storage chamber 7, the connecting pipe 14 conveys the sucked oil into the negative pressure oil storage chamber 7, a rotating shaft 17 is rotatably mounted in the negative pressure oil storage chamber 7 through a bearing, the rotating shaft 17 is vertically arranged, a crushing rod 19 is mounted at the bottom end of the rotating shaft 17, the crushing rods 19 are horizontally provided with a plurality of groups, defoaming sharp teeth 21 are uniformly mounted on the crushing rod 19, a grid plate 20 is fixedly mounted in the negative pressure oil storage chamber 7 through bolts, and the grid plate 20 is horizontally arranged and positioned below the crushing rod 19; the side wall of the oil-water separation box 3 is provided with a first exhaust port 22, the oil-water separation box 3 is fixedly provided with a first motor 12 through a motor base, the output end of the first motor 12 is provided with an output shaft 15, the output shaft 15 is provided with a first exhaust fan blade 18, the blast direction of the first exhaust fan blade 18 faces the first exhaust port 22, the first motor 12 enables the output shaft 15 to rotate, the output shaft 15 drives the first exhaust fan blade 18 to rotate so as to enable the inside of the negative pressure oil storage chamber 7 to be in a negative pressure state, the output shaft 15 is in meshing transmission connection with a rotating shaft 17 through a bevel gear, the output shaft 15 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives a crushing rod 19 to rotate, the crushing rod 19 and a defoaming sharp tooth 21 arranged on the surface of the crushing rod break bubbles in floating oil so as to perform a defoaming effect, and when the first exhaust fan blade 18 rotates, gas generated, the defoaming effect is improved, and in the conveying process of the oil, the foam in the oil is attached to the upper part of the grid plate 20, so that the bubbles in the oil can be completely eliminated; the oil-water separation tank 3 is rotatably provided with a transmission shaft 16 through a bearing, the transmission shaft 16 is horizontally arranged, the rotation shaft 17 is in meshing transmission connection with the transmission shaft 16 through a bevel gear, the transmission shaft 16 is in meshing transmission connection with the rotation pipe 804 through the bevel gear, the rotation shaft 17 drives the transmission shaft 16 to rotate, the transmission shaft 16 drives the rotation pipe 804 to rotate, and each group of second oil suction pipes 805 rotate along with the rotation shaft to effectively suck floating oil at each position on the liquid level, so that oil in the solution is sucked out, the oil suction efficiency and the oil suction effect are improved, the first row of fan blades 18, the rotation shaft 17 and the rotation pipe 804 rotate through the arrangement of a motor, the synchronous operation of oil suction, defoaming and air exhaust is realized, the cost is saved, and the operation is simple;

the oil concentrating mechanism 4 comprises a box body 401, a liquid storage chamber 402, a heat conducting chamber 403, an evaporation chamber 404, an electric heating plate 405, a second pump body 406, a second input pipe 407, a second output pipe 408, a third pump body 409, a third input pipe 410, a third output pipe 411, a first hollow disc 412, a second hollow disc 413, an oil dispersing pipe 414, a heat insulating sleeve 415, a first annular pipe 416, a second annular pipe 417, an oil conveying pipe 418 and a liquid return pipe 419; a liquid storage chamber 402, a heat conduction chamber 403 and an evaporation chamber 404 are arranged in the box body 401, the liquid storage chamber 402 is positioned below the evaporation chamber 404, the heat conduction chamber 403 is positioned between the liquid storage chamber 402 and the evaporation chamber 404, an electric heating plate 405 is fixedly arranged in the liquid storage chamber 402 through bolts, the electric heating plate 405 converts electric energy into heat energy to heat conduction liquid, a temperature sensor is arranged in the liquid storage chamber 402 and detects the temperature of the heat conduction liquid; the top of the heat conduction chamber 403 is fixedly provided with a second hollow disc 413 through bolts, the bottom of the heat conduction chamber 403 is fixedly provided with a first hollow disc 412 through bolts, a plurality of groups of oil dispersion pipes 414 are vertically arranged and communicated with the first hollow disc 412 and the second hollow disc 413, the outer peripheral surface of each oil dispersion pipe 414 is provided with a heat insulation sleeve 415, the heat insulation sleeves 415 are vertically arranged, a first annular pipe 416 and a second annular pipe 417 are horizontally arranged in the heat conduction chamber 403, the first annular pipe 416 is positioned below the second annular pipe 417, and the first annular pipe 416 and the second annular pipe 417 are communicated with the heat insulation sleeves 415; a second pump body 406 and a third pump body 409 are installed on the box body 401 through an installation seat, a second input pipe 407 and a second output pipe 408 are installed on the second pump body 406, the other end of the second input pipe 407 is communicated with the negative pressure oil storage chamber 7, the other end of the second output pipe 408 is communicated with the first hollow disc 412, the second pump body 406 conveys oil in the negative pressure oil storage chamber 7 into the first hollow disc 412, the oil in the first hollow disc 412 is uniformly dispersed into each group of oil dispersion pipes 414, a third input pipe 410 and a third output pipe 411 are installed on the third pump body 409, the other end of the third input pipe 410 is communicated with the liquid storage chamber 402, the other end of the third output pipe 411 is communicated with the first annular pipe 416, the third pump body 409 conveys high-temperature heat conduction liquid in the liquid storage chamber 402 into the first annular pipe 416, the high-temperature heat conduction liquid in the first annular pipe 416 is uniformly dispersed into each group of heat insulation sleeve 415, the two ends of the oil delivery pipe 418 are respectively communicated with the second hollow disc 413 and the evaporation chamber 404, the high-temperature heat conducting liquid in the heat-insulating sleeve 415 conducts heat to the oil in the oil dispersion pipe 414, so that the oil is uniformly heated and heated, the heated oil enters the second hollow disc 413 and enters the evaporation chamber 404 through the oil delivery pipe 418, moisture in the oil is evaporated out, so as to reduce the water content in the oil, the quality and the treatment effect of the oil are improved, the liquid return pipe 419 is communicated with the second annular pipe 417 and the liquid storage chamber 402, the heat conducting liquid in each group of heat-insulating sleeves 415 enters the second annular pipe 417 and returns to the liquid storage chamber 402 through the liquid return pipe 419, and then the heating is continuously performed in the liquid storage chamber 402, so that the heat conducting liquid is kept at a high temperature all the time, and the heating effect of the oil is ensured.

Example two:

as shown in fig. 10, the difference between this embodiment and embodiment 1 is that a second motor 420 is fixedly installed on a box 401 through a motor base, a hollow shaft 421 is installed at an output end of the second motor 420, the second motor 420 is used for driving the hollow shaft 421, the hollow shaft 421 is horizontally disposed in an evaporation chamber 404 and is rotatably connected to the box 401, an oil outlet end of the oil pipe 418 extends into the hollow shaft 421, the heated oil is delivered into the hollow shaft 421 through the oil pipe 418, a hollow turntable 422 is fixedly installed on an outer circumferential surface of the hollow shaft 421 through a bolt, an opening is formed in the hollow shaft 421, the hollow shaft 421 is communicated with the hollow turntable 422 through the opening, the oil in the hollow shaft 421 enters the hollow turntable 422, oil outlet holes 426 are formed in two side disc surfaces of the hollow turntable 422, the oil in the hollow turntable 422 is sprayed out through the oil outlet holes 426, the heated water is evaporated, a second air outlet 425 is formed in the top of the box 401 and is communicated with the evaporation chamber 404, the second exhaust port 425 discharges the evaporated moisture, the oil outlet pipe 427 communicated with the evaporation chamber 404 is installed on the side wall of the box 401, the oil outlet pipe 427 discharges the concentrated oil, the hollow shaft 421 is rotated by the second motor 420, and the hollow rotary disc 422 rotates along with the oil outlet pipe 427 to disperse the sprayed oil, thereby further accelerating the water evaporation efficiency.

Example three:

as shown in fig. 10, the present embodiment is different from embodiments 1 and 2 in that a movable shaft 423 is rotatably installed at the top of an evaporation chamber 404 through a bearing, the hollow shaft 421 is engaged with the movable shaft 423 through bevel gears, the hollow shaft 421 drives the movable shaft 423 to rotate through two bevel gears, a second row of fan blades 424 is fixedly installed on the movable shaft 423 through bolts, and the second row of fan blades 424 is located right below a second exhaust port 425, when the movable shaft 423 rotates, the second row of fan blades 424 rotates along with the rotation and blows air towards the second exhaust port 425 to drive the air in the evaporation chamber 404 to flow and make the evaporation chamber 404 in a negative pressure state, and further quickly exhaust evaporated water vapor through the second exhaust port 425 to accelerate water evaporation efficiency and evaporation effect, significantly improve oil concentration effect, and the hollow shaft 421 and the second row of fan blades 424 are rotated by providing a motor, the synchronous operation of oil injection operation and air exhaust operation is realized, the cost is saved, and the evaporation efficiency and the evaporation effect of water in the oil material can be improved.

Example four:

as shown in fig. 10, the present embodiment is different from embodiments 1, 2 and 3 in that a first branch pipe 428 and a second branch pipe 430 are installed at one end of the oil outlet pipe 427 away from the evaporation chamber 404, an oil water mixing sensor 429 is installed on the oil outlet pipe 427, the water content of the output oil is detected by the oil water mixing sensor 429, valves are respectively installed on the first branch pipe 428 and the second branch pipe 430, the valves are solenoid valves, the output of the oil in the first branch pipe 428 and the second branch pipe 430 is controlled by the valves, the other end of the first branch pipe 428 is connected to the oil storage tank, the other end of the second branch pipe 430 is connected to the second input pipe 407, when the water content of the oil is less than a preset value (i.e., a water content threshold value, which is determined according to the quality of the oil to be obtained, such as the water content threshold value is 5%), the valve on the first branch pipe 428 is opened to deliver the oil to the oil storage tank to, when the water content of the oil is greater than the preset value, the valve on the first branch pipe 428 is closed and the valve on the second branch pipe 430 is opened, the oil flows back to the second input pipe 407, and the returned oil is concentrated again until the oil meets the requirement, so that the oil treatment effect is obviously improved.

The working process of the invention is as follows:

when the device is used, the oily sludge-sand solution is precipitated in the precipitation tank 1, the upper solution is conveyed into the filter tank 2, the filter tank 2 filters the entered upper solution to filter solid particles in the upper solution, the first pump body 9 pumps the filtered oily solution in the filter tank 2 into the oil absorption chamber 6, the aeration pipe 23 aerates the oily solution, and generated bubbles carry the oil to float on the liquid level;

the first motor 12 rotates the output shaft 15, the output shaft 15 drives the first exhaust fan blade 18 to rotate so as to enable the inside of the negative pressure oil storage chamber 7 to be in a negative pressure state, due to the negative pressure effect, the bubble suction head 806 sucks the floating oil on the liquid surface, each group of second oil suction pipes 805 conveys the floating oil to the first oil suction pipe 802, the hose 803 conveys the floating oil in the first oil suction pipe 802 to the third hollow disc 801, the rotating pipe 804 conveys the floating oil in the third hollow disc 801 to the oil collection cavity 13, and in the floating oil sucking process, the output shaft 15 drives the rotating pipe 804 to rotate, each group of second oil suction pipes 805 rotates along with the rotating pipe, so that the floating oil on each position on the liquid surface is effectively sucked, the oil in the solution is sucked, and the oil sucking efficiency and the oil sucking effect are improved;

the connecting pipe 14 conveys the sucked oil into the negative-pressure oil storage chamber 7, the output shaft 15 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the crushing rod 19 to rotate, the crushing rod 19 and the defoaming sharp teeth 21 arranged on the surface of the crushing rod break bubbles in the floating oil to play a defoaming role, and the first row of fan blades 18 rotate to enable the negative-pressure oil storage chamber 7 to be in a negative-pressure state, so that gas generated in a defoaming process can be quickly discharged, the conveying of the floating oil and the improvement of a defoaming effect are facilitated, and the foam in the oil is attached to the upper part of the grid plate 20 and is helpful for completely eliminating the bubbles in the oil;

the second pump 406 transports the oil in the negative pressure oil storage chamber 7 to the first hollow disc 412, the third pump 409 transports the high temperature heat conducting liquid in the liquid storage chamber 402 to the first annular pipe 416, the oil is uniformly dispersed into each group of oil dispersion pipes 414, the high temperature heat conducting liquid is uniformly dispersed into each group of heat preservation sleeves 415, the high temperature heat conducting liquid conducts heat to the oil in the oil dispersion pipes 414, so that the oil is uniformly heated and heated, the heated oil enters the second hollow disc 413 and enters the evaporation chamber 404 through the oil pipeline 418, moisture in the oil is evaporated, so as to reduce the water content in the oil, improve the quality and the treatment effect of the oil, the heat conducting liquid in each group of heat preservation sleeves 415 enters the second annular pipe 417 and flows back to the liquid storage chamber 402 through the liquid return pipe 419, and then the liquid storage chamber 402 is continuously heated, so that the heat conducting liquid is always kept at a high temperature, so as to ensure the heating effect of the oil;

the concentrated oil is output through the oil outlet pipe 427, the water content of the oil is detected by the oil water mixing sensor 429, when the water content of the oil is smaller than a preset value, the valve on the first branch pipe 428 is opened and the oil is conveyed to the oil storage tank, and when the water content of the oil is larger than the preset value, the valve on the second branch pipe 430 is opened and the oil flows back to the second input pipe 407, so that the oil is concentrated again, and the treatment effect is further improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.