1. The recycling treatment system for the wastewater resource utilization of the sewage collecting pool in the runway culture system comprises a mounting frame, wherein the mounting frame comprises an upper rectangular frame and stand columns arranged at four corners of the rectangular frame;

the separation processing mechanism includes that at least two set up the water treatment separating unit on rectangular frame length direction side by side, the water treatment separating unit includes separation cavity, sewage inlet tube, filter plate, sealed post, hydraulic stem, second sewage pump, heating coil and slip table, the separation cavity is located heating coil's inside, the one end of separation cavity is equipped with the end cover of being connected with one of them, the middle part of end cover is equipped with the connecting hole, the one end of sewage inlet tube is passed the connecting hole and is located the inside of separation cavity, the middle part of filter plate is located the tip outside fixed connection in the separation cavity with the sewage inlet tube, the edge of filter plate and the interior surface sliding contact of separation cavity, the other end of sewage inlet tube is fixed in on rectangular frame's a width side, and is equipped with the control valve on the tip, sealed post sets up inside the other end of separation cavity, the hydraulic rod is fixed to the outer side of the other width side face of the rectangular frame, the output end of the hydraulic rod is fixedly connected with the middle of the sealing column, the second sewage pump is arranged below the water treatment separation unit, the water inlet end of the second sewage pump is connected with the end cover through a hose and is communicated with the inside of the separation chamber, cross beams are arranged below the rectangular frame on one side of the width, two ends of each cross beam are fixed on the stand columns respectively, the sliding table is located right below the separation chamber, two ends of each sliding table are fixed on the cross beams respectively, a connecting plate is arranged on the sliding block of the sliding table, one end of each connecting plate is fixedly connected with the sliding block, and the other end of each connecting plate is fixedly connected with the middle of the outer side face of the separation chamber; the water outlet end of the second sewage pump is connected with the water purifying mechanism through a hose, and the water outlet end of the first sewage pump is connected with one end of the sewage inlet pipe.

2. The recycling system for wastewater in the sewage collecting pool of the runway culture system as claimed in claim 1, wherein a fertilizer starter adding mechanism is further arranged below the second sewage pump, the fertilizer starter adding mechanism comprises a box body, the box body is internally provided with diluted starter liquid, the outer side of the box body is provided with a water pump, the water inlet end of the water pump is positioned in the box body, and the water outlet end of the water pump is connected with a hose.

3. The recycling system for wastewater in the sewage collecting pool of the runway culture system according to claim 1, characterized in that a stirring mechanism is arranged on the sealing post, the stirring mechanism comprises a stirring rod, a limiting spring, an end head and a rotating motor, at least 3 stirring rods pass through the sealing post and are positioned in the separation chamber, the end head is arranged at the other end positioned at the outer side, the limiting spring is sleeved on the stirring rod and is positioned between the end head and the sealing post, one end of the limiting spring is fixedly connected with the sealing post, the rotating motor is fixedly arranged at the end part of the output shaft of the hydraulic rod, the output shaft of the rotating motor is fixedly connected with the middle part of the sealing post, and the rotating motor can drive the sealing post to rotate in the separation chamber.

4. The recycling treatment system for the wastewater in the sewage collecting pool of the runway culture system as claimed in claim 3, wherein at least 3 stirring rods are uniformly distributed on the sealing column, and the rotating motor does not interfere with the extension of the stirring rods.

5. The recycling treatment system for recycling wastewater from the sewage collecting pool in the runway culture system as claimed in claim 1, it is characterized in that a cutting mechanism is arranged between the separation processing mechanism and the conveyor belt mechanism, the cutting mechanism comprises longitudinal beams which are symmetrically arranged, two ends of the longitudinal beam are connected on the upright posts in a sliding way, one side surface of the longitudinal beam close to the center of the rectangular frame is provided with a mounting plate, one side of the mounting plate is rotatably connected with the longitudinal beam, the lower surface of the mounting plate is provided with a cutter which is perpendicular to the mounting plate, the cutting edge of the cutter is arranged downwards, both ends of the upper surface of the longitudinal beam are provided with linear motors which are fixed on the rectangular frame, and the output end of the linear motor is vertically and downwards fixedly connected with the longitudinal beam, the middle part of the upper surface of the cross beam is provided with a winch, and a pull rope of the winch is fixedly connected with the middle part of the mounting plate.

6. The recycling treatment system for the wastewater in the sewage collecting pool of the runway culture system as claimed in claim 5, wherein horizontal limiting plates are arranged at two ends of the symmetrically arranged longitudinal beams, and the limiting plates are fixed above the mounting plates.

7. The recycling treatment system for the wastewater in the sewage collecting pool of the runway culture system as claimed in claim 5, wherein the adjacent cutters are distributed in a rectangular shape.

8. The recycling system for wastewater in the sewage collecting pool of the runway culture system as claimed in claim 1, wherein a moving mechanism is arranged below the four upright posts, the moving mechanism comprises a driving mechanism, a moving frame and rollers, the upright posts are fixedly connected to the moving frame, the rollers are connected below the moving frame, and the driving mechanism acts on the rollers.

9. The recycling treatment system for the wastewater in the sewage collecting pool of the runway culture system as claimed in claim 1, wherein a geotextile is laid on one surface of the filter plate facing the hydraulic rod, and the geotextile is connected with the filter plate through a connection point.

10. The recycling treatment system for the wastewater in the sewage collecting pool of the runway culture system as claimed in claim 1, wherein a liquid level sensor is arranged on the upper part of the surface of the sealing column in the separation chamber.

Background

With the increasing exhaustion of wild fishery resources and the increasing requirements of consumers on fish quality, the ecological breeding mode of water-flowing fish culture, which can not only improve fishery yield but also improve fish quality, is receiving more and more attention from people. The circulating water culture in the pond is designed by American Olympic university, called runway culture for short, and is introduced into China in 2013 through American soybean export Association, the technical principle is that a traditional culture pond is subjected to engineering transformation, two functional areas, namely a culture concentration area (a flume) and a water quality purification area (intercropping filter-feeding fishes, shrimps and shellfish or planting aquatic plants), are established, a water pushing device, an aeration device and a sewage suction device are utilized to enable a pond culture water body to flow, and feed residues and excrement are removed in a centralized manner, so that the cyclic utilization of the culture water body is realized. Compared with the traditional aquaculture pond, the circulating water aquaculture technology in the pond has the advantages of high water resource utilization efficiency, good aquaculture water quality, and the whole feeding management and fishing can be carried out only in the water tank. The clean, safe and convenient production accords with the ecological protection concept, is generally applied in various places of China in recent years, and is one of novel culture modes for effectively solving the current aquaculture problems. According to incomplete statistics, up to the end of 2020, more than 3000 circulating water culture systems in ponds constructed in China exist, and the popularization area is nearly 2000 hectares.

However, the runway culture still has a lot of difficulties, wherein the problems relate to the treatment of wastewater in a sewage collection tank, namely the treatment of the wastewater in the sewage collection tank in a runway culture system, the wastewater in the sewage collection tank mainly comprises a large amount of solid particulate matters such as fish feces, fish feed and less sludge, the volume ratio of the solid particulate matters is more than 60%, and the purposes of zero discharge of the culture wastewater, utilization of residual bait feces, good quality of cultured fishes, less diseases and high benefit can be really achieved only by reasonably treating the wastewater in the sewage collection tank.

Disclosure of Invention

Aiming at the defects of the technology, the invention aims to provide a sewage collecting tank wastewater recycling treatment system in a runway culture system, which is used for treating sewage in the sewage collecting tank in the runway culture system so as to achieve the purposes of zero discharge of culture wastewater, recycling of residual bait and excrement, good quality of cultured fishes, less diseases and high benefit.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the recycling treatment system for the wastewater resource utilization of the sewage collecting pool in the runway culture system comprises a mounting frame, a first sewage pump, a separation treatment mechanism, a water purification mechanism and a conveyor belt mechanism, wherein the mounting frame comprises an upper rectangular frame and stand columns arranged at four corners of the rectangular frame;

the separation processing mechanism includes that at least two set up the water treatment separating unit on rectangular frame length direction side by side, the water treatment separating unit includes separation cavity, sewage inlet tube, filter plate, sealed post, hydraulic stem, second sewage pump, heating coil and slip table, the separation cavity is located heating coil's inside, the one end of separation cavity is equipped with the end cover of being connected with one of them, the middle part of end cover is equipped with the connecting hole, the one end of sewage inlet tube is passed the connecting hole and is located the inside of separation cavity, the middle part of filter plate is located the tip outside fixed connection in the separation cavity with the sewage inlet tube, the edge of filter plate and the interior surface sliding contact of separation cavity, the other end of sewage inlet tube is fixed in on rectangular frame's a width side, and is equipped with the control valve on the tip, sealed post sets up inside the other end of separation cavity, the hydraulic rod is fixed to the outer side of the other width side face of the rectangular frame, the output end of the hydraulic rod is fixedly connected with the middle of the sealing column, the second sewage pump is arranged below the water treatment separation unit, the water inlet end of the second sewage pump is connected with the end cover through a hose and is communicated with the inside of the separation chamber, cross beams are arranged below the rectangular frame on one side of the width, two ends of each cross beam are fixed on the stand columns respectively, the sliding table is located right below the separation chamber, two ends of each sliding table are fixed on the cross beams respectively, a connecting plate is arranged on the sliding block of the sliding table, one end of each connecting plate is fixedly connected with the sliding block, and the other end of each connecting plate is fixedly connected with the middle of the outer side face of the separation chamber; the water outlet end of the second sewage pump is connected with the water purifying mechanism through a hose, and the water outlet end of the first sewage pump is connected with one end of the sewage inlet pipe.

The working principle of the technical scheme is as follows:

the sewage inlet principle is as follows: the method comprises the steps of firstly, driving a separation chamber to move through a sliding table, enabling a filter plate to be located at an end plate of the separation chamber, and then pumping sewage in a pond into the separation chamber through a first sewage pump until the internal volume of the separation chamber is filled with the sewage.

The principle of solid-liquid separation: control system control slip table removes to the direction of end plate, and the hydraulic stem is stretched out in step to the direction of end plate simultaneously to control, promptly at the in-process of motion, can make the volume in the separation chamber reduce, it is the water extrusion in the sewage through the volumetric mode of compression promptly to pass through the filter, in the volume between messenger's end plate and the filter plate of draining into, solid mixture in the sewage can not then remain in the one side that the separation chamber is close to the sealed post through the filter plate, treat that the separation chamber moves to the assigned position, then realized the solid-liquid separation in the sewage.

Separation liquid discharge and treatment principle: the control system opens the second water suction pump, so that the second water suction pump sucks the inside of the separation chamber, separated sewage can be pumped out to the inside of the water purification mechanism, then the sewage is treated through the work of the water inlet mechanism, and the treated water is directly discharged into the pond for recycling.

The solidification and discharge principle of the mixture is as follows: after the sewage in the separation chamber is pumped out, the control system controls the sliding table and the hydraulic rod to reset, most of the solid mixture of the sludge and the fish feces is reserved in the separation chamber at the moment, then the heating coil is turned on to heat the separation chamber by utilizing the principle of electromagnetic induction, the separation chamber is heated and then transfers heat to the inside of the separation chamber to heat the mixture of the sludge and the fish feces in the separation chamber, the mixture is solidified when moisture in the mixture is evaporated, the heating coil is turned off after the solidification process is finished, then the control system controls the sliding table to move towards one side of the end cover, in the moving process, the filter plate can not displace, the mixture solidified in the inside is ejected out from the other end of the separation chamber and falls onto the conveyor belt mechanism to be transported, and then the control system controls the sliding table to reset, the next sewage treatment cycle can be carried out.

Further inject, the below of second sewage pump still is equipped with chemical fertilizer starter and adds the mechanism, chemical fertilizer starter adds the mechanism and includes the box, the starter liquid after the dilution is equipped with in the box, the outside of box is equipped with the water pump, the end of intaking of water pump is located the box, and the play water end and the hose connection of water pump.

In conclusion, the working principle and the beneficial effects of the fertilizer starter adding mechanism are as follows:

the advantage of the fertilizer starter liquid is that after the mixture is solidified by the heating coil, the mixture of the sludge and the fish feces can be used as fertilizer after a period of fermentation.

Further inject, be equipped with rabbling mechanism on the sealed post, rabbling mechanism includes stirring rod, spacing spring, end and rotating electrical machines, 3 at least the inside that sealed post is located the separation cavity is passed to the one end of stirring rod, and the other end that is located the outside is equipped with the end, spacing spring cup joint with the stirring rod on, and be located between end and the sealed post, the one end and the sealed post fixed connection of spacing spring, the fixed output shaft tip that sets up at the hydraulic stem of rotating electrical machines, the output shaft of rotating electrical machines and the middle part fixed connection of sealed post, the rotating electrical machines can drive sealed post and rotate in the inside of separation cavity.

To sum up, the theory of operation and beneficial effect of rabbling mechanism are as follows:

the rotating electrical machines drives sealed post at separation cavity internal rotation, drives the stirring rod promptly at separation cavity internal rotation, can be with chemical fertilizer starter liquid and inside silt and the just intensive mixing of fish excrement, has promoted the fermentation effect of mixing effect and later stage, and the effect of spacing spring is, removes when the separation cavity, when making filter plate and stirring rod contact, the stirring rod can be flexible backward, avoids interfering the damage.

Further inject, 3 at least stirring rod evenly distributed on sealed post, and rotating electrical machines do not take place to interfere with the flexible of stirring rod, and its beneficial effect lies in, many evenly distributed's stirring rod can promote the stirring effect.

Further inject, be equipped with the slitting mechanism between separation processing mechanism and the conveyer belt mechanism, the slitting mechanism is including the longeron that the symmetry set up, the both ends sliding connection of longeron is on the stand, the longeron all is equipped with the mounting panel on being close to the side at rectangular frame center, one side and the longeron of mounting panel rotate to be connected, all be equipped with the cutter on the lower surface of mounting panel, the cutter sets up with the mounting panel is perpendicular, and the cutting edge of cutter sets up downwards, the both ends of longeron upper surface all are equipped with linear electric motor, linear electric motor's fixing is on rectangular frame, and linear electric motor's the vertical downward and longeron fixed connection of output, the upper surface middle part of crossbeam all is equipped with the hoist engine, the stay cord of hoist engine and the middle part fixed connection of mounting panel.

In conclusion, the cutting mechanism has the following working principle and beneficial effects:

when the mixture in the separation chamber is discharged after solidification, drop to the upper surface of mounting panel, the stay cord of hoist engine is in the longer state of lax this moment, so under the action of gravity of mixture, the mounting panel will overturn, make solid mixture drop to conveyor mechanism on, then control system control hoist engine work, rotatory to the horizontality with the mounting panel pulling, then linear electric motor stretches out downwards, drive longeron downstream, the mounting panel downstream promptly, the cutter can contact with solid mixture promptly, cut up solid mixture, the shape that the cutter distributes can set up according to actual demand, the cutter plays one and cuts up the purpose of bold solid mixture, subsequent transportation of being convenient for, then linear electric motor and hoist engine reset can begin next round of circulation.

Further inject, the longeron both ends that the symmetry set up all are equipped with the horizontally limiting plate, the limiting plate is fixed in the top of mounting panel, and its beneficial effect lies in, and the cutter on the mounting panel can be guaranteed in the horizontality when the cutting to the setting up of limiting plate, guarantees the cutting effect of cutter.

Further, the adjacent cutters are distributed in a rectangular shape, and the solid mixture is cut into rectangular blocks, so that the solid mixture is convenient to transport.

Further inject, four the below of stand is equipped with moving mechanism, moving mechanism includes actuating mechanism, removes frame and gyro wheel, the equal fixed connection of stand is on removing the frame, the below of removing the frame is connected with the gyro wheel, actuating mechanism acts on the gyro wheel, and its beneficial part lies in, is convenient for this technical scheme wholly carry and remove.

Further inject, the filter plate is laid geotechnological cloth towards a surface of hydraulic stem, be connected through the tie point between geotechnological cloth and the filter plate, its beneficial part lies in, when carrying out solid-liquid separation to sewage, under the effect of pressure, the filter plate will be hugged closely to geotechnological cloth, and geotechnological cloth can strengthen the filter effect of filter plate, when the direction injected into chemical fertilizer starter liquid simultaneously, can follow the clearance entering between geotechnological cloth and the filter plate.

Further, the upper part of the surface of the sealing column, which is positioned in the separation chamber, is provided with the liquid level sensor, and the sealing column is connected with the control system, so that the water injection height in the separation chamber can be conveniently detected, a signal is fed back to the control system, and the control system can conveniently control the water injection of the first sewage pump.

The invention has the following technical effects:

(1) set up a plurality of water treatment separating unit on the mounting bracket, and independent operation between a plurality of water treatment separating unit, when a water treatment unit handles in operation, then can carry out sewage injection into in another water treatment unit, can guarantee sewage treatment's continuation and efficiency nature like this. (2) And meanwhile, when the mixture is extruded in the separation chamber, the fertilizer starter liquid enters through the filter plate and can reversely impact and clean the filter holes on the filter plate, so that the filtering effect of the filter plate in solid-liquid separation is ensured. (3) The setting of rabbling mechanism can guarantee chemical fertilizer starter liquid and inside silt and the just intensive mixing of fish excrement, has promoted the fermentation effect of mixing effect and later stage. (4) The cutter in the cutting mechanism is in contact with the solidified mixture and cuts the solidified mixture into pieces according to the shape and size of the cutter, so that the subsequent transportation is facilitated. (5) The sewage in the pond is pumped out by the system for treatment, the sewage is discharged into the pond for use after being treated, and the mixture of the sludge and the fish feces is added into the fertilizer leavening agent and used as a fertilizer, so that a complete ecological closed loop for sewage treatment is realized.

Drawings

Fig. 1 is a perspective view of a part of the system in this embodiment.

Fig. 2 is a schematic front view of the complete system in this embodiment.

Fig. 3 is a left side view of the present sub-system in the present embodiment.

Fig. 4 is a schematic perspective view of the water treatment separation unit in this embodiment.

Fig. 5 is a perspective view of the cutting mechanism in this embodiment.

Fig. 6 is a schematic perspective view of a water treatment separation unit in the present embodiment.

FIG. 7 is a schematic plan view of the runway cultivation system according to this embodiment

Reference numerals

The device comprises a rectangular frame 1, a vertical column 2, a cross beam 3, a sliding table 4, a hydraulic rod fixing seat 5, a hydraulic rod 6, a separation chamber 7, a sewage inlet pipe 8, a heating coil 9, an end 10, a limiting spring 11, a stirring rod 12, a rotating motor 13, a sliding block 14, a connecting plate 15, a hose 16, a second sewage pump 17, a box body 18, a control valve 19, a multi-way valve 20, a sealing column 21, an end cover 22, a filter plate 23, a first sewage pump 24, a water purifying mechanism 25, a longitudinal beam 26, a winch 27, a linear motor 28, a cutter 29, a conveyor belt mechanism 30, a limiting plate 31 and a mounting plate 32.

Detailed Description

The following is further detailed by way of specific embodiments:

as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 6, the recycling system for recycling wastewater from a sewage collecting pool in a runway culture system comprises a mounting frame, wherein the mounting frame comprises an upper rectangular frame 1 and upright columns 2 arranged at four corners of the rectangular frame 1, a first sewage pump 24, a separation treatment mechanism and a water purification mechanism 25 which are connected in sequence, a conveyor belt mechanism 30 arranged below the separation treatment mechanism, and a control system for coordinating the work and movement of all the mechanisms.

The separation treatment mechanism comprises at least two water treatment separation units arranged in parallel in the length direction of the rectangular frame 1, the separation treatment mechanism comprises 3 groups in the embodiment, the length direction refers to the longer side of the rectangular frame 1 as shown in the figure, the width direction refers to the shorter side, the water treatment separation units comprise a separation chamber 7, a sewage inlet pipe 8, a filter plate 23, a sealing column 21, a hydraulic rod 6, a second sewage pump 17, a heating coil 9 and a sliding table 4, the separation chamber 7 is positioned in the heating coil 9, namely the heating coil 9 is wound on the outer side of the separation chamber 7 similarly, the separation chamber 7 is a cylindrical cavity in the embodiment, one end of the separation chamber 7 is provided with an end cover 22 integrally connected with the separation chamber, the middle part of the end cover 22 is provided with a connecting hole, one end of the sewage inlet pipe 8 penetrates through the connecting hole and is positioned in the separation chamber 7, the middle part of the filter plate 23 is fixedly connected with the outer side of the end part of the sewage inlet pipe 8 positioned in the separation chamber 7, the edge of the filter plate 23 is in sliding contact with the inner surface of the separation chamber 7, the other end of the sewage inlet pipe 8 is fixed on one width side surface of the rectangular frame 1, the end part is provided with a control valve 19, the control valve 19 is a common electric control valve on the market and is used for controlling the on-off of the sewage inlet pipe 8, a sealing column 21 is arranged inside the other end of the separation chamber 7 and is in sliding connection with the inner wall of the separation chamber 7, a hydraulic rod 6 is fixed on the outer side of the other width side surface of the rectangular frame 1 through a hydraulic rod fixing seat 5, the output end of the hydraulic rod 6 is fixedly connected with the middle part of the sealing column 21, a second sewage pump 17 is arranged below the water treatment separation unit, the water inlet end of the second sewage pump 17 is connected with an end cover 22 through a hose 16, and the hose 16 is arranged so as not to interfere with the movement of the separation chamber 7, the rectangular frame 1 is provided with a cross beam 3 below one side of the width, two ends of the cross beam 3 are respectively fixed on the upright posts 2, the sliding table 4 is positioned right below the separation chamber 7, two ends of the sliding table 4 are respectively fixed on the cross beam 3, a connecting plate 15 is arranged on a sliding block 14 of the sliding table 4, one end of the connecting plate 15 is fixedly connected with the sliding block 14, and the other end of the connecting plate 15 is fixedly connected with the middle part of the outer side surface of the separation chamber 7; the water outlet end of the second sewage pump 17 is connected with a water purification mechanism 25 through a hose 16, and the water inlet mechanism is a common sewage treatment integrated device in the market, such as an ion water purifier, for removing ions in water harmful to the survival of fishes. The outlet end of the first sewage pump 24 is connected to one end of 3 sewage inlet pipes 8, the first sewage pump 24 is a sludge pump commonly used in the market, and the connection mode is a one-inlet-three-outlet multi-way valve 20, i.e. a four-way valve, which is in a normally open state.

Preferably, the filter plate 23 is paved with geotextile on the surface facing the hydraulic rod 6, the geotextile is connected with the filter plate 23 through a connection point, when the sewage is subjected to solid-liquid separation, the geotextile is tightly attached to the filter plate 23 under the action of pressure, the geotextile can enhance the filtering effect of the filter plate 23, and meanwhile, when the fertilizer leavening agent liquid is injected in the direction, the geotextile and the filter plate 23 can enter from the gap therebetween, and a coarse filter membrane with better filtering effect can also be adopted. The upper part of the surface of the sealing column 21 inside the separation chamber 7 is provided with a level sensor, which is advantageous in that it is connected to a control system for detecting the water injection level inside the separation chamber 7 and feeding back a signal to the control system for controlling the water injection of the first sewage pump 24 by the control system.

In this embodiment, the operation principle of the system is as follows:

the sewage inlet principle is as follows: the movement of the separation chamber 7 is first carried out by the slide 4 so that the filter plate 23 is located at the end plate of the separation chamber 7, and the sewage in the pond is then pumped into the interior of the separation chamber 7 by means of the first sewage pump 24 until the interior volume of the separation chamber 7 is filled with sewage.

The principle of solid-liquid separation: the control system controls the sliding table 4 to move towards the end plate, and simultaneously controls the hydraulic rod 6 to synchronously extend towards the end plate, namely, in the moving process, the volume in the separation chamber 7 is reduced, namely, the water in the sewage is extruded through the filter plate 23 in a volume compression mode and is discharged into the volume between the end plate and the filter plate 23, the solid mixture in the sewage cannot pass through the filter plate 23 and is retained on one side of the separation chamber 7 close to the sealing column 21, and when the separation chamber 7 moves to a specified position, solid-liquid separation in the sewage is realized.

Separation liquid discharge and treatment principle: the control system opens the second water suction pump, so that the second water suction pump sucks the inside of the separation chamber 7, separated sewage can be pumped out to the inside of the water purification mechanism 25, then the sewage is treated through the work of the water inlet mechanism, and the treated water is directly discharged into the inside of the pond for recycling.

The solidification and discharge principle of the mixture is as follows: after the sewage in the separation chamber 7 is pumped out, the control system controls the sliding table 4 and the hydraulic rod 6 to reset, most of the solid mixture of the sludge and the fish feces is remained in the separation chamber 7 at the moment, then the heating coil 9 is turned on, the heating coil 9 heats the separation chamber 7 by utilizing the principle of electromagnetic induction, the separation chamber 7 is heated and then transfers heat to the inside of the separation chamber 7, the mixture of the sludge and the fish feces is heated, the mixture is solidified when the moisture in the mixture is evaporated, the heating coil 9 is turned off after the solidification process is finished, then the control system controls the sliding table 4 to move the separation chamber 7 towards the end cover 22, and in the moving process, because the filter plate 23 cannot be displaced, the filter plate 23 ejects the mixture solidified in the inside out from the other end of the separation chamber 7 and falls onto the conveyor belt mechanism 30 for transportation, then the control system controls the sliding table 4 to reset, and then the next sewage treatment cycle can be carried out.

Preferably, a fertilizer starter adding mechanism is further arranged below the second sewage pump 17, the fertilizer starter adding mechanism comprises a box body 18, diluted starter liquid is filled in the box body 18, a water pump is arranged on the outer side of the box body 18, the water inlet end of the water pump is located in the box body 18, and the water outlet end of the water pump is connected with the hose 16. The water pump conveys the fertilizer starter liquid to a position between the filter plate 23 and the end cover 22, and then when the sliding table 4 drives the separation chamber 7 to reset, the fertilizer starter liquid is extruded to a position between the filter plate 23 and the sealing column 21 under the action of extrusion to be mixed with impurities such as sludge, fish feces and the like separated from sewage.

Preferably, be equipped with rabbling mechanism on the sealed post 21, rabbling mechanism includes stirring rod 12, spacing spring 11, end 10 and rotating electrical machines 13, the inside that sealed post 21 is located separation chamber 7 is passed to 3 at least stirring rod 12's one end, the other end that is located the outside is equipped with end 10, spacing spring 11 cup joints on with stirring rod 12, and be located between end 10 and the sealed post 21, the one end and the sealed post 21 fixed connection of spacing spring 11, the fixed output shaft tip that sets up at hydraulic stem 6 of rotating electrical machines 13, the output shaft of rotating electrical machines 13 and the middle part fixed connection of sealed post 21, rotating electrical machines 13 can drive sealed post 21 and rotate in the inside of separation chamber 7. Rotating electrical machines 13 drives sealed post 21 at separation cavity 7 internal rotation, drives stirring rod 12 at separation cavity 7 internal rotation promptly, can be with the silt and the just intensive mixing of fish excrement of chemical fertilizer starter liquid and inside, promoted the fermentation effect of mixing effect and later stage, and spacing spring 11's effect is, removes when separation cavity 7, when making filter plate 23 and stirring rod 12 contact, stirring rod 12 can stretch out and draw back backward, avoids interfering the damage.

Preferably, at least 3 stirring rods 12 are uniformly distributed on the sealing column 21, in this embodiment, the number of the stirring rods is 3, and the rotating motor 13 does not interfere with the extension and retraction of the stirring rods 12, so that the stirring effect can be improved by the uniformly distributed stirring rods 12.

As shown in fig. 5, preferably, a dividing mechanism is provided between the separation processing mechanism and the conveyor belt mechanism 30, the dividing mechanism includes longitudinal beams 26 symmetrically disposed, two ends of the longitudinal beams 26 are slidably connected to the upright posts 2, a mounting plate 32 is provided on a side of the longitudinal beams 26 close to the center of the rectangular frame 1, one side of the mounting plate 32 is rotatably connected to the longitudinal beams 26, cutters 29 are provided on the lower surfaces of the mounting plates 32, the cutters 29 are perpendicular to the mounting plate 32, the cutting edges of the cutters 29 are disposed downward, linear motors 28 are provided at two ends of the upper surface of the longitudinal beams 26, the linear motors 28 are fixed on the rectangular frame 1, the output ends of the linear motors 28 are vertically downward and fixedly connected to the longitudinal beams 26, a winding engine 27 is provided in the middle of the upper surface of the cross beam 3, and the pull rope of the winding engine 27. When the mixture in the separation chamber 7 is discharged after being solidified, the mixture falls onto the upper surface of the mounting plate 32, at the moment, the pull rope of the winch 27 is in a loose and long state, so under the action of the gravity of the mixture, the mounting plate 32 is turned over to enable the solid mixture to fall onto the conveyor belt mechanism 30, then the control system controls the winch 27 to work, the mounting plate 32 is pulled to rotate to a horizontal state, then the linear motor 28 extends downwards to drive the longitudinal beam 26 to move downwards, namely, the mounting plate 32 moves downwards, namely, the cutter 29 is in contact with the solid mixture to cut up the solid mixture, the distribution shape of the cutter 29 can be set according to actual requirements, the cutter 29 achieves the purpose of cutting up the large solid mixture, subsequent transportation is facilitated, and then the linear motor 28 and the winch 27 reset to start the next round of circulation.

Preferably, the two ends of the longitudinal beam 26 symmetrically arranged are both provided with horizontal limiting plates 31, the limiting plates 31 are fixed above the mounting plate 32, and the arrangement of the limiting plates 31 can ensure that the cutter 29 on the mounting plate 32 is in a horizontal state during cutting, so that the cutting effect of the cutter 29 is ensured. Preferably, the adjacent cutters 29 are arranged in a rectangular shape, so that the solid mixture is cut into rectangular blocks for convenient transportation. Preferably, the below of four stands 2 is equipped with moving mechanism, and moving mechanism includes actuating mechanism, removes frame and gyro wheel, and the equal fixed connection of stand 2 is on removing the frame, and the below of removing the frame is connected with the gyro wheel, and actuating mechanism acts on the gyro wheel, and this technical scheme of being convenient for is whole to be carried and removes.

It is obvious that in this specific embodiment, it is common knowledge of those skilled in the art that a sensor needs to be arranged for limiting, dynamic sealing of a moving part, and the like in the moving process of a moving part, and details are not described in this technical solution.

As shown in figure 7, the tail end of the breeding runway is a sewage collecting pool, the technical scheme is to treat the sewage in the sewage collecting pool, then recycle the water obtained after treatment, and perform resource treatment and use on the available substances in the sewage.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.