1. A sludge co-combustion device is characterized by comprising:

the box body (100) is provided with an air inlet, an air outlet, a feeding hole (110) and a first discharging hole (120), and the air inlet, the air outlet, the feeding hole (110) and the first discharging hole (120) are communicated with an inner cavity of the box body (100);

the stirring device (200) is arranged in the box body (100), the stirring device (200) comprises a driving source (210), a rotating shaft (220), a spiral blade (230) and a plurality of stirring pieces (240), the rotating shaft (220) extends along a first direction, a first end of the rotating shaft (220) is connected with the driving source (210), the spiral blade (230) is arranged on the rotating shaft (220), the stirring pieces (240) are connected with a second end of the rotating shaft (220), the stirring pieces (240) and the spiral blade (230) are arranged side by side, and the stirring pieces (240) are arranged along a direction surrounding the rotating shaft (220);

wherein the first direction is parallel to a direction in which a top of the case (100) extends toward a bottom of the case (100).

2. The sludge blending combustion equipment as claimed in claim 1, wherein the stirring member (240) comprises a main body rod (241), a connecting rod (242), a first stirring rod (243) and a second stirring rod (244), the main body rod (241) is vertically connected with the connecting rod (242), the main body rod (241) is connected with the second end through the connecting rod (242), one end of the first stirring rod (243) and one end of the second stirring rod (244) are both connected with the main body rod (241), the other end of the first stirring rod (243) and the other end of the second stirring rod (244) are both free ends, and the second stirring rod (244) is located between the first stirring rod (243) and the helical blade (230).

3. The sludge co-combustion equipment as claimed in claim 1, further comprising a first filter plate (300), wherein the first filter plate (300) is disposed in the tank (100), the first filter plate (300) is provided with a plurality of first through holes (310), and the first discharge hole (120) is disposed adjacent to a surface of the first filter plate (300) facing the feed hole (110);

the stirring device (200) is arranged on the first filter plate (300), and the helical blade (230) and the stirring piece (240) are both positioned on one side of the first filter plate (300) facing the feed inlet (110).

4. The sludge blending combustion equipment as claimed in claim 3, wherein the stirring device (200) further comprises a cleaning brush (250), the cleaning brush (250) is arranged on the stirring member (240), and the cleaning brush (250) is in contact with one surface of the first filter plate (300) facing the feed port (110).

5. The sludge co-combustion equipment as claimed in claim 3, further comprising a second filter plate (400), wherein the second filter plate (400) is disposed in the box body (100), the second filter plate (400) is disposed on a side of the first filter plate (300) facing away from the stirring device (200), the second filter plate (400) is provided with a plurality of second through holes (410), the cross-sectional area of the second through holes (410) is smaller than that of the first through holes (310), the box body (100) is further provided with a second discharge hole (130), and the second discharge hole (130) is disposed adjacent to a side of the second filter plate (400) facing the first filter plate (300).

6. The sludge co-firing equipment as claimed in claim 5, wherein the first filter plate (300) is perpendicular to the first direction, the second filter plate (400) is disposed obliquely with respect to the first filter plate (300), the second filter plate (400) has a third end and a fourth end, a distance between the third end and the first filter plate (300) is greater than a distance between the fourth end and the first filter plate (300), and the second discharge port (130) faces the third end.

7. The sludge blending combustion equipment as claimed in claim 1, further comprising a heating device (500), wherein the heating device (500) comprises a heating box (510), a heating rod (520) and a dehumidifying part (530), the heating box (510) is arranged on the outer top surface of the box body (100), the inner cavity of the heating box (510) is communicated with the air inlet, the heating rod (520) is arranged in the heating box (510), and the dehumidifying part (530) is at least partially positioned in the heating box (510).

8. The sludge blending combustion equipment as claimed in claim 7, wherein the heating box (510) is provided with a chute (511), the dehumidifying element (530) is provided with a slide rail (531), and the dehumidifying element (530) is slidably connected with the chute (511) through the slide rail (531).

9. The sludge co-combustion equipment as claimed in claim 1, further comprising an air distribution pipe, wherein the air distribution pipe is provided with a plurality of air nozzles (600), the air distribution pipe is arranged in the box body (100), and the air distribution pipe is communicated with the air inlet.

10. The sludge co-combustion equipment as claimed in claim 1, further comprising a purification device (700), wherein the purification device (700) is disposed at the exhaust port, the purification device (700) comprises a purification box (710), a charcoal plate (720) and an activated carbon plate (730), the purification box (710) is provided with an air outlet (711), the air outlet (711) is communicated with the exhaust port through an inner cavity of the purification box (710), the charcoal plate (720) and the activated carbon plate (730) are both disposed in the purification box (710), and the charcoal plate (720) and the activated carbon plate (730) are arranged along the direction in which the exhaust port extends towards the air outlet (711).

Background

The boiler can convert chemical energy in electric energy and fuel into steam, high-temperature water or heat energy possessed by an organic heat carrier, the high-temperature water or the steam generated by the boiler can directly provide required heat energy for industrial production and people life, and can also be converted into mechanical energy through a steam power device, or the mechanical energy is converted into electric energy through a generator.

The boiler of the thermal power plant is mainly used for power generation, in order to reduce waste of waste heat of the thermal power plant, waste heat steam of the thermal power plant is generally utilized to dry sludge difficult to dewater into dry sludge, and the dry sludge and coal of the thermal power plant are mixed and fed into the boiler for incineration power generation, so that the waste heat can be utilized while coal is saved. Most sludge blending combustion equipment has a single structure at present, and the problem of incomplete sludge drying exists in the using process, so that the sludge dewatering effect is poor.

Disclosure of Invention

The purpose of the embodiment of the application is to provide a sludge co-combustion device, which can solve the problem that the dehydration effect of sludge is poor.

In order to solve the technical problem, the present application is implemented as follows:

the embodiment of the application provides a mud mixes equipment of burning, and it includes:

the box body is provided with an air inlet, an air outlet, a feed inlet and a first discharge outlet, and the air inlet, the air outlet, the feed inlet and the first discharge outlet are communicated with an inner cavity of the box body;

the stirring device is arranged in the box body and comprises a driving source, a rotating shaft, a spiral blade and a plurality of stirring pieces, the rotating shaft extends along a first direction, a first end of the rotating shaft is connected with the driving source, the spiral blade is arranged on the rotating shaft, the stirring pieces are connected with a second end of the rotating shaft, the stirring pieces and the spiral blade are arranged side by side, and the stirring pieces are arranged along the direction surrounding the rotating shaft;

wherein the first direction is parallel to a direction in which a top of the case extends toward a bottom of the case.

In the embodiment of the application, agitating unit includes helical blade and a plurality of stirring, and when the driving source drive pivot rotated, helical blade can drive mud and move in the first direction under the drive of pivot, and the stirring then can stir mud, consequently can make mud and hot steam contact more fully through helical blade and stirring to improve the dehydration effect of mud.

Drawings

FIG. 1 and FIG. 2 are schematic structural views of sludge co-combustion equipment disclosed in the embodiments of the present application at different angles;

FIG. 3 is a sectional view of a partial structure of a sludge co-combustion apparatus disclosed in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a stirring device disclosed in an embodiment of the present application;

FIG. 5 is a partial exploded view of a heating device as disclosed in an embodiment of the present application;

FIG. 6 is a cross-sectional view of a desiccant member according to an embodiment of the present disclosure;

fig. 7 is a sectional view of a purification apparatus disclosed in an embodiment of the present application.

Description of reference numerals:

100-box body, 110-feeding hole, 120-first discharging hole, 130-second discharging hole and 140-water discharging hole;

200-a stirring device, 210-a driving source, 220-a rotating shaft, 230-a helical blade, 240-a stirring piece, 241-a main body rod, 242-a connecting rod, 243-a first stirring rod, 244-a second stirring rod, 250-a cleaning brush and 260-a fixing sleeve;

300-a first filter plate, 310-a first through hole;

400-second filter plate, 410-second through hole;

500-heating device, 510-heating box, 511-chute, 520-heating rod, 530-dehumidifying part, 531-slide rail, 532-air hole, 533-micro hole and 534-handle;

600-an air jet;

700-purification device, 710-purification box, 711-gas outlet, 720-charcoal board, 730-activated carbon board;

810-a first air pump, 820-a second air pump.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The sludge co-combustion equipment provided by the embodiment of the present application is described in detail by specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Referring to fig. 1 to 7, an embodiment of the present application discloses a sludge blending combustion device, which includes a tank 100 and a stirring apparatus 200.

The box body 100 can be used as a main body part of the sludge blending combustion device to provide a mounting base for other parts, the box body 100 is provided with an air inlet, an air outlet, a feed inlet 110, a first discharge outlet 120 and a drain outlet 140, wherein the air inlet, the air outlet, the feed inlet 110, the first discharge outlet 120 and the drain outlet 140 are all communicated with an inner cavity of the box body 100, and wherein: the air inlet is used for introducing hot steam into the cabinet 100; the exhaust port is used to discharge air, which has been sufficiently contacted with the sludge, out of the tank 100; the feeding port 110 is used for guiding sludge to be dried into the box body 100; the first discharge port 120 is used for guiding the dried sludge out of the box body 100; the drain port 140 is used to drain water separated from sludge, and the drain port 140 may be provided at the bottom of the tank 100, thereby facilitating the complete drainage of water from the bottom of the tank 100. Alternatively, the gas inlet and the material inlet 110 may be disposed at the top of the tank 100, and the gas outlet and the first material outlet 120 may be disposed at the middle or the bottom of the tank 100, so that the sludge gradually falls under the gravity, and the contact area and the contact time of the sludge and the hot steam may be increased.

The stirring device 200 can stir the sludge, and the stirring device 200 is disposed in the tank 100 and includes a driving source 210, a rotating shaft 220, a spiral blade 230, and a plurality of stirring members 240. The rotation shaft 220 extends in a first direction, which is parallel to a direction in which the top of the case 100 extends toward the bottom of the case 100. The first end of the rotating shaft 220 is connected to the driving source 210, so that the driving source 210 can drive the rotating shaft 220 to rotate around the axis thereof, and the driving source 210 can be a motor. The spiral blade 230 is disposed on the rotating shaft 220, and the spiral blade 230 extends spirally around the rotating shaft 220, so that when the rotating shaft 220 rotates, the spiral blade 230 can drive the sludge contacting therewith to move along a first direction, specifically, the sludge contacting therewith is driven to move from the bottom of the tank 100 to the top of the tank 100. The stirring member 240 is connected to the second end of the rotating shaft 220, the stirring member 240 is disposed side by side with the spiral blade 230, and the stirring members 240 are arranged in a direction around the rotating shaft 220. The pivot 220 can drive stirring piece 240 and rotate around pivot 220 to reach the effect of stirring, and a plurality of stirring pieces 240 can stir mud simultaneously, thereby optimize the stirring effect.

In the embodiment of the present application, the stirring device 200 includes a helical blade 230 and a plurality of stirring members 240, when the driving source 210 drives the rotating shaft 220 to rotate, the helical blade 230 can drive the sludge to move in the first direction under the driving of the rotating shaft 220, and the stirring members 240 can stir the sludge, so that the sludge can be more sufficiently contacted with the hot steam through the helical blade 230 and the stirring members 240, thereby improving the dewatering effect of the sludge. In addition, the structure can shorten the dehydration time and further improve the working efficiency.

The stirring member 240 may be a plate-shaped structure, but the contact area between the plate-shaped structure and the sludge is too large, which causes a large resistance when the driving source 210 drives the rotating shaft 220 to rotate, and is not favorable for controlling the power consumption of the sludge blending combustion equipment. For this, the stirring member 240 may include a body rod 241, a connecting rod 242, a first stirring rod 243 and a second stirring rod 244, the body rod 241 may be vertically connected to the connecting rod 242, and the body rod 241 is connected to the second end of the rotation shaft 220 through the connecting rod 242, and optionally, the connecting rod 242 may be vertical to the rotation shaft 220; one end of the first agitating bar 243 and one end of the second agitating bar 244 are both connected to the main body bar 241, the other end of the first agitating bar 243 and the other end of the second agitating bar 244 are both free ends, and the second agitating bar 244 is located between the first agitating bar 243 and the spiral vane 230. The stirring member 240 mainly includes rod members having a relatively smaller contact area with the sludge, so that resistance generated when the driving source 210 drives the rotating shaft 220 to rotate can be reduced, thereby reducing power consumption. Meanwhile, the main body rod 241, the connecting rod 242, the first agitating rod 243 and the second agitating rod 244 may all contact with the sludge to achieve an agitating effect, and thus this structure may bring a better agitating effect.

Alternatively, the first stirring rod 243 and the second stirring rod 244 may be perpendicular to the main body rod 241, so as to facilitate the processing of the stirring member 240. In addition, the number of the first agitating rods 243 and the second agitating rods 244 may be at least two, each first agitating rod 243 is arranged at intervals in the first direction, and each second agitating rod 244 is arranged at intervals in the second direction, so that the sludge with different heights is agitated, thereby further improving the agitating effect. In a direction gradually away from the main body rod 241, the cross-sectional sizes of the first and second agitating rods 243 and 244 may be gradually decreased, so as to enhance the connection strength between the first and second agitating rods 243 and 244 and the main body rod 241, and further reduce the resistance when the driving source 210 drives the rotating shaft 220 to rotate. The stirring device 200 may further include a fixing sleeve 260, wherein the connecting rod 242 of each stirring member 240 is connected to the fixing sleeve 260, and the fixing sleeve 260 is fixedly connected to the second end of the rotating shaft 220, so that the rotating shaft 220 can drive each stirring member 240 to rotate through the fixing sleeve 260.

In order to promote the mud-water separation, the sludge blending combustion equipment further comprises a first filter plate 300, the first filter plate 300 is arranged in the box 100, the first filter plate 300 is provided with a plurality of first through holes 310, and the first through holes 310 can allow water and sludge particles with smaller sizes to pass through, so that the mud-water separation and the filtering effect are realized. The first discharge hole 120 is disposed adjacent to one side of the first filter plate 300 facing the feed hole 110, that is, the first discharge hole 120 is closer to the first filter plate 300, and the first discharge hole 120 is located at one side of the first filter plate 300 facing the feed hole 110, so that the sludge staying on the first filter plate 300 and dried can be discharged from the first discharge hole 120.

Further, the stirring apparatus 200 is disposed at the first filter plate 300, and the spiral blade 230 and the stirring member 240 are disposed at a side of the first filter plate 300 facing the feed port 110. In other words, the agitation apparatus 200 can be mounted to the first filter plate 300, and the first filter plate 300 can reliably support the agitation apparatus 200, so that the agitation apparatus 200 can more reliably act on the sludge. In addition, since most of the sludge is blocked by the first filter plates 300 to be retained at the side of the first filter plates 300 facing the feed port 110, the screw blades 230 and the agitating members 240 can be more sufficiently contacted with the sludge, thereby further improving the dewatering effect.

Since the first filter plates 300 are in contact with the sludge for a long time, the sludge easily blocks the first through holes 310. In order to prevent the first through holes 310 of the first filter plate 300 from being clogged with sludge, the agitation apparatus 200 further includes a cleaning brush 250, the cleaning brush 250 is disposed on the agitation member 240, and the cleaning brush 250 is in contact with a surface of the first filter plate 300 facing the feed port 110. During the rotation of the rotation shaft 220, the cleaning brush 250 may rotate together with the stirring member 240, thereby applying a force to the sludge on the surface of the first filter plate 300 so that the sludge does not easily block the first through-holes 310. Since the cleaning brush 250 moves along with the stirring member 240, the cleaning brush 250 can clean the sludge as long as the stirring member 240 operates, thereby achieving an effect of cleaning the first filter plate 300 in real time.

In a further embodiment, the sludge blending combustion equipment further comprises a second filter plate 400, the second filter plate 400 is arranged in the box body 100, the second filter plate 400 is located on one side of the first filter plate 300, which is far away from the stirring device 200, the second filter plate 400 is provided with a plurality of second through holes 410, and the second through holes 410 can allow water and sludge particles with smaller sizes to pass through, so that sludge-water separation and filtration effects are realized. The cross-sectional area of the second through-hole 410 is smaller than that of the first through-hole 310, so that the second through-hole 410 can pass smaller sludge particles than the first through-hole 310, and secondary separation of sludge and water can be achieved. Optionally, the first through hole 310 and the second through hole 410 may be circular holes, and the aperture of the first through hole 310 is larger than that of the second through hole 410. The box 100 is further provided with a second discharge hole 130, the second discharge hole 130 is disposed adjacent to one side of the second filter plate 400 facing the first filter plate 300, that is, the second discharge hole 130 is closer to the second filter plate 400, and the second discharge hole 130 is located at one side of the second filter plate 400 facing the feed hole 110, so that the sludge retained on the second filter plate 400 and dried can be discharged from the second discharge hole 130.

The arrangement angles of the first filter plates 300 and the second filter plates 400 with respect to the case 100 can be flexibly selected, and optionally, the first filter plates 300 are perpendicular to the first direction, so that sludge can be retained on the first filter plates 300 for a long time, thereby prolonging the contact time of the sludge with hot steam, thereby improving the dehydration effect. Further, the second filter plates 400 may be obliquely disposed with respect to the first filter plates 300, the second filter plates 400 having third and fourth ends, a distance between the third end and the first filter plates 300 being greater than a distance between the fourth end and the first filter plates 300, and the second discharge hole 130 facing the third end. Since the third end is closer to the bottom of the tank 100, the sludge may flow toward the second discharging hole 130 along the surface of the second filter plate 400 and is finally discharged from the second discharging hole 130, and thus the second filter plate 400 may discharge the sludge from the second discharging hole 130 more smoothly.

Although the hot steam introduced into the sludge co-combustion device has a high temperature, there is still a case that the temperature of the hot steam cannot achieve a good dehydration effect, and in order to cope with this case, the sludge co-combustion device further includes a heating apparatus 500, the heating apparatus 500 includes a heating box 510, a heating rod 520 and a dehumidifying part 530, the heating box 510 is disposed on the outer top surface of the box body 100, the inner cavity of the heating box 510 is communicated with the air inlet, the heating rod 520 is disposed in the heating box 510, and the dehumidifying part 530 is at least partially located in the heating box 510. When the temperature of the hot steam cannot reach the standard, the heating rod 520 may be turned on to heat the air in the heating box 510 by the heating rod 520, and the heated air may be introduced into the box 100 through the air inlet. Optionally, the dehumidifying part 530 is provided with a ventilation hole 532, and the ventilation hole 532 allows air to pass through the dehumidifying part 530, thereby removing moisture from the air. The dehumidifying part 530 prevents moisture in the hot steam from contacting the sludge as the hot steam enters the cabinet 100, thereby facilitating drying of the sludge.

The dehumidifying part 530 may adopt a structure capable of adsorbing moisture, and optionally, the dehumidifying part 530 may include a sponge plate, a surface of the sponge plate is provided with a plurality of micropores 533, and the micropores 533 facilitate the hot steam to contact with the sponge plate more sufficiently, so as to absorb more moisture, and enable a dewatering effect of the sludge to be better.

The dehumidifying element 530 may be integrally located in the heating compartment 510, and may be fixed to the heating compartment 510 by means of screws or the like. However, considering that the dehumidifying element 530 is a consumable, and the dehumidifying element 530 is required to be replaced frequently, in other embodiments, the heating box 510 may be provided with a sliding slot 511, the dehumidifying element 530 is provided with a sliding rail 531, and the dehumidifying element 530 is slidably connected to the sliding slot 511 via the sliding rail 531. If the dehumidifying member 530 needs to be replaced, the dehumidifying member 530 can be directly withdrawn and then a new dehumidifying member 530 can be inserted into the chute 511, thereby achieving the detachable connection of the dehumidifying member 530 to the heating compartment 510. In addition, the stability of the dehumidifying part 530 can be improved by the cooperation of the sliding rail 531 and the sliding groove 511, so that the dehumidifying part 530 is not easy to shake. Optionally, sliding rails 531 may be disposed on both sides of the dehumidifying part 530, so as to improve stability of the dehumidifying part 530 during sliding. Further, in order to facilitate the user's operation, a handle 534 may be provided on the top of the dehumidifying part 530, and the user may apply a force to the handle 534 to draw out the dehumidifying part 530 and insert the dehumidifying part 530 into the chute 511.

In addition, in order to make the hot steam more smoothly and rapidly enter the cabinet 100, a first suction pump 810 may be provided at an air inlet end of the heating cabinet 510 so as to deliver the hot steam generated from the boiler of the thermal power plant to the inside of the heating cabinet 510. Similarly, a second air pump 820 may be disposed on the outer top surface of the box 100, and an input end of the second air pump 820 is connected to the heating box 510, and an output end thereof is connected to the air inlet, so as to facilitate the transportation of the hot steam in the heating box 510 into the box 100.

In order to make the hot steam and the sludge contact fully, the sludge co-combustion device further comprises a gas distribution pipe, the gas distribution pipe is provided with a plurality of gas nozzles 600, the gas distribution pipe is arranged in the box body 100, and the gas distribution pipe is communicated with the gas inlet. The hot steam entering from the air inlet is uniformly distributed in the air distribution pipe and is simultaneously sprayed into the inner cavity of the box body 100 through the plurality of air nozzles 600, thereby being more uniformly contacted with the sludge. Alternatively, the gas distribution pipes may extend in a direction perpendicular to the first direction such that each gas jet 600 is at approximately the same height, so that the hot steam is more fully in contact with the sludge.

The sludge is often odorous, resulting in the air that has come into contact with the sludge also carrying the odor, which if discharged directly contaminates the environment surrounding the sludge blending combustion equipment. Therefore, the sludge co-combustion equipment further comprises a purification device 700, the purification device 700 is arranged at the exhaust port, the purification device 700 comprises a purification box 710, a charcoal plate 720 and an activated carbon plate 730, the purification box 710 is provided with an air outlet 711, the air outlet 711 is communicated with the exhaust port through the inner cavity of the purification box 710, the charcoal plate 720 and the activated carbon plate 730 are both arranged in the purification box 710, and the charcoal plate 720 and the activated carbon plate 730 are arranged along the direction in which the air outlet 711 extends along the exhaust port. The surfaces of the charcoal plate 720 and the activated carbon plate 730 have countless fine pores, and the pores can effectively absorb the peculiar smell in the air, thereby playing a role in purification. So configured, the air contacting with the sludge needs to first pass through the purification device 700, and then be purified by the purification device 700 before being discharged, so as to prevent the air from polluting the environment around the sludge co-combustion equipment.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.