CN219941886U

CN219941886U - Aquaculture wastewater treatment device

Info

Publication number: CN219941886U
Application number: CN202320925389.5U
Authority: CN
Inventors: 方婷; 卢文轩; 崔凯; 高娜; 杨坤; 赵秀侠
Original assignee: Fisheries Research Institute of Anhui AAS
Current assignee: Fisheries Research Institute of Anhui AAS
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-11-03
Anticipated expiration: 2033-04-23

Abstract

The utility model relates to the technical field of aquaculture tail water treatment, and discloses an aquaculture tail water treatment device which comprises a sedimentation tank, a mud collecting cylinder, a lifting mechanism and a mud scraping mechanism, wherein the mud collecting cylinder is slidably arranged on the inner side of the sedimentation tank, the lifting mechanism is slidably arranged on the inner side wall of the sedimentation tank, the mud scraping mechanism is arranged on the top of the sedimentation tank, the bottom of the lifting mechanism is connected with the mud collecting cylinder so as to lift the mud collecting cylinder, the sedimentation tank is a cylindrical pond for preliminary sedimentation of aquaculture tail water, the mud scraping mechanism comprises a rotary scraping assembly and a stirring assembly, support rods are arranged at two ends of the sedimentation tank, a cross rod is connected between the support rods, and the rotary scraping assembly is arranged in the middle of the cross rod. The utility model is provided with the stirring component, can turn the collecting tank upwards to ensure that the opening of the collecting tank is upwards, is convenient for the subsequent disassembly and replacement of the collecting tank and the subsequent treatment of sludge, and is also provided with the lifting mechanism, so that the sludge collecting cylinder can be lifted to the bottom to contact with the bottom of the collecting tank so as to cooperate with the work of the collecting tank.

Description

Aquaculture wastewater treatment device

Technical Field

The utility model relates to the technical field of aquaculture tail water treatment, in particular to an aquaculture wastewater treatment device.

Background

In large-scale aquaculture, a large amount of suspended matters, excrement, residues, sludge and the like exist in tail water due to large aquaculture density, and a sedimentation tank is often used for aquaculture tail water treatment, and most of suspended matters, excrement, residues and sludge in the sedimentation tank are pumped through an existing pumping device to the bottom of a sewage tank, and the fact that whether the water bottom sludge is cleaned or not can not be directly observed by pumping is not observed, so that the aquaculture wastewater treatment device is provided.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides an aquaculture wastewater treatment device.

The utility model is realized by adopting the following technical scheme: the aquaculture wastewater treatment device comprises a sedimentation tank, a mud collecting cylinder, a lifting mechanism and a mud scraping mechanism, wherein the mud collecting cylinder is slidably mounted on the inner side of the sedimentation tank, the lifting mechanism is slidably mounted on the inner side wall of the sedimentation tank, the mud scraping mechanism is mounted on the top of the sedimentation tank, and the bottom of the lifting mechanism is connected with the mud collecting cylinder so as to lift the mud collecting cylinder.

The sedimentation tank is a cylindrical water tank for preliminary sedimentation of the aquaculture tail water.

The mud scraping mechanism comprises a rotary scraping component and a stirring component, wherein supporting rods are arranged at two ends of the sedimentation tank, a cross rod is connected between the supporting rods, the rotary scraping component is arranged in the middle of the cross rod, the rotary scraping component comprises a driving unit and a collecting tank, the driving unit is arranged in the middle of the cross rod, the collecting tank is rotationally connected with a power output end of the driving unit, the collecting tank is detachable, the driving unit drives the collecting tank to rotate to scrape the mud on the inner side of the mud collecting cylinder, a screw rod is coaxially arranged on an output shaft of the motor, a fixing rod is further arranged on the cross rod, one end of the stirring component is in threaded connection with the screw rod, and the other end of the stirring component is in sliding connection with the fixing rod.

Through above-mentioned technical scheme, after sewage in the sedimentation tank carries out abundant precipitation, utilize elevating system to rise the collection mud section of thick bamboo of sedimentation tank bottom sliding connection to with scrape the subassembly bottom contact soon, then start and scrape the subassembly soon, it scrapes the mud in the collection mud section of thick bamboo to revolve to scrape the subassembly, when striking the round back, stir the subassembly and push down to contact with the collecting vat top, because the collecting vat rotates with the drive unit to be connected, so when stirring subassembly and collecting vat top contact, stir the rotatory 90 degrees of collecting vat of subassembly, make the collecting vat opening upwards, because the collecting vat still can dismantle, after the collecting vat is collected full mud, pull down the collecting vat, carry out centralized processing to the mud.

As a further improvement of the scheme, the driving unit comprises a first motor and a connecting rod, the first motor is arranged in the middle of the cross rod, an output shaft of the first motor is connected with the connecting rod, the connecting rod is perpendicular to the length direction of the output shaft of the first motor, and one end, away from the first motor, of the connecting rod is rotationally connected with the collecting tank so as to drive the collecting tank to rotationally scrape mud.

Through above-mentioned technical scheme, when needs use soon scrape the subassembly, start motor one, motor one rotates the connecting rod that drives the connection and rotates, and the connecting rod drives the collecting vat and rotates the mud of striking off the interior bottom surface of a album mud section of thick bamboo, and the mud in the interior bottom of a album mud section of thick bamboo is totally collected the collecting vat inside.

As a further improvement of the scheme, the poking assembly comprises a lower pressing block and a poking rod, wherein the lower pressing block is in threaded connection with one end of the screw rod, which is far away from the motor I, the lower pressing block is in sliding connection with the fixing rod, the bottom surface of the lower pressing block is fixedly connected with the poking rod, and the poking rod is parallel to the length direction of the collecting tank and is arranged above the front of the collecting tank so as to poke the collecting tank to overturn.

Through the technical scheme, after the collecting tank rotates around the center of an output shaft of the motor for one circle, the lower pressing block is driven by the rotating motor to slide downwards by one driving thread, so that the other end of the lower pressing block slides downwards along the fixed rod to drive the connected deflector rod to slide downwards, the deflector rod just can be in contact with the top of the collecting tank, the collecting tank rotates by 90 degrees around the connecting rod, and at the moment, the opening of the collecting tank is upward, so that the follow-up centralized treatment of sludge in the collecting tank is facilitated.

As the further improvement of above-mentioned scheme, elevating system includes lifter and power component, and fixed cover is installed to the sedimentation tank inner wall, and the coaxial slidable mounting of lifter is in fixed cover, and the one end that the sedimentation tank top was kept away from to the lifter is connected in a album mud section of thick bamboo, and a block is installed at the lifter top, and the slip is provided with the slip cover between block and the fixed cover, and the slip cover is coaxial to be set up in the lifter outside, and power component installs at the sedimentation tank top, and power component's power take off end is connected in the slip cover, and power component drives the slip cover and slides in order to drive album mud section of thick bamboo and go up and down.

Through the technical scheme, when sludge in the sedimentation tank needs to be treated, the lifting rod is driven by the power component to slide upwards along the length direction of the fixed sleeve, the lifting rod drives the contacted cap to lift, the lifting rod integrally slides and lifts along the length direction of the fixed sleeve, and then the sludge collecting cylinder connected with the bottom of the lifting rod is driven to lift, and when the sludge collecting cylinder lifts to the inner bottom and contacts with the bottom of the collecting tank, the lifting is stopped.

As a further improvement of the scheme, the power assembly comprises a second motor and a driving rod, the second motor is arranged at the top of the sedimentation tank, an output shaft of the second motor is connected to the driving rod, one end, far away from the second motor, of the driving rod is rotationally connected to the sliding sleeve, and the driving rod is a telescopic rod so as to drive the sliding sleeve to slide along the length direction of the sliding sleeve.

Through above-mentioned technical scheme, motor two rotates the actuating lever that drives the connection and rotates, and the actuating lever is the telescopic link, so can drive the sliding sleeve that the telescopic link other end rotated the connection and drive the lifter that block and block are connected and rise, drive the mud collection section of thick bamboo of lifter bottom and slide and rise, make the contact of mud collection section of thick bamboo bottom and collecting tank bottom. And (5) completing lifting.

As a further improvement of the scheme, a water inlet is formed in the upper portion of the side wall of the sedimentation tank, and a water outlet is formed in the lower portion of the side wall of the sedimentation tank, so that water injection and drainage of the sedimentation tank are realized.

Through above-mentioned technical scheme, water injection in to the sedimentation tank through the water inlet, after the sedimentation is accomplished, lift out the collection mud section of thick bamboo from the sedimentation tank bottom, then open the delivery port, discharge the water that has handled in the sedimentation tank.

As a further improvement of the scheme, the top of the sedimentation tank is also rotatably provided with a supporting plate, and the collecting tank is supported at the top of the sedimentation tank when not in use.

Through above-mentioned technical scheme, when depositing in the sedimentation tank, the collecting vat does not use, can rotate the installation backup pad at the sedimentation tank top in order to avoid the collecting vat to support, and the backup pad keeps off in the inboard of collecting vat top cap, avoids the collecting vat to support and can not live and take place to drop.

Compared with the prior art, the utility model has the beneficial effects that: when sewage in the sedimentation tank fully sediments, utilize elevating system to rise sedimentation tank bottom sliding connection's album mud section of thick bamboo to with revolve and scrape subassembly bottom contact, then start and revolve and scrape the subassembly, revolve and scrape the subassembly and drive the collecting vat and carry out rotatory scraping to the mud in album mud section of thick bamboo bottom, after scraping one round, stir the subassembly and push down to contact with the collecting vat top, because the collecting vat rotates with drive unit to be connected, so when stirring subassembly and collecting vat top contact, stir the rotatory 90 degrees of collecting vat of subassembly stirring, make the collecting vat opening upwards, because the collecting vat still can dismantle, after the collecting vat collects full mud, pull down the collecting vat, carry out centralized processing to the mud. Set up and stir the subassembly, can overturn the collecting vat, make the collecting vat opening upwards, be convenient for follow-up collecting vat dismantle change and follow-up processing, still set up elevating system, can rise a album mud section of thick bamboo to bottom and collecting vat bottom contact to the work of cooperation collecting vat.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an apparatus for treating aquaculture wastewater according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic structural view of a sludge scraping mechanism of the water production and cultivation wastewater treatment device of the utility model;

FIG. 4 is a schematic view showing the structure of the junction between the collecting tank and the supporting plate of the device for treating water-producing and breeding wastewater.

Main symbol description:

1. a sedimentation tank; 2. a mud collecting cylinder; 3. a lifting mechanism; 31. a lifting rod; 32. a power assembly; 4. a mud scraping mechanism; 41. a rotary scraping assembly; 411. a driving unit; 412. a collection tank; 42. the assembly is stirred; 421. pressing the block; 422. a deflector rod; 5. a support rod; 6. a cross bar; 7. a fixed rod; 8. a first motor; 9. a connecting rod; 10. a fixed sleeve; 11. capping; 12. a sliding sleeve; 13. a second motor; 14. a driving rod; 15. a water inlet; 16. a water outlet; 17. a support plate; 18. and a screw rod.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Please combine fig. 1, aquaculture effluent treatment plant, including sedimentation tank 1, collection mud section of thick bamboo 2, elevating system 3 and mud scraping mechanism 4, collection mud section of thick bamboo 2 slidable mounting is in sedimentation tank 1 inboard, elevating system 3 slidable mounting is in sedimentation tank 1 inside wall, and mud scraping mechanism 4 installs at sedimentation tank 1 top, and elevating system 3 bottom is connected with collection mud section of thick bamboo 2 to lift collection mud section of thick bamboo 2.

The sedimentation tank 1 is a cylindrical water tank for preliminary sedimentation of the aquaculture tail water.

The mud scraping mechanism 4 comprises a rotary scraping assembly 41 and a stirring assembly 42, wherein supporting rods 5 are arranged at two ends of the sedimentation tank 1, a cross rod 6 is connected between the supporting rods 5, the rotary scraping assembly 41 is arranged in the middle of the cross rod 6, the rotary scraping assembly 41 comprises a driving unit 411 and a collecting tank 412, the driving unit 411 is arranged in the middle of the cross rod 6, the collecting tank 412 is rotationally connected with a power output end of the driving unit 411, the collecting tank 412 is detachable, a scraping rod is arranged at the joint of the collecting tank 412 and the driving unit 411 according to the condition of sludge at the bottom of the mud collecting tank 2 after the collecting tank 412 is detached, and sludge which is not completely processed by the collecting tank 412 is cleared again so as to ensure that the sludge on the mud collecting tank 2 is completely processed. The drive unit 411 drives the collecting tank 412 to rotate and scrape the sludge on the inner side of the sludge collecting cylinder 2, a screw rod 18 is coaxially arranged on the output shaft of the motor 8, a fixed rod 7 is further arranged on the cross rod 6, one end of the stirring component 42 is in threaded connection with the screw rod 18, the other end of the stirring component is in sliding connection with the fixed rod 7, and the power output end of the stirring component 42 can stir the collecting tank 412 to overturn.

When sewage in the sedimentation tank 1 is fully sedimented, the mud collecting cylinder 2 which is in sliding connection with the bottom of the sedimentation tank 1 is lifted to be in contact with the bottom of the rotary scraping assembly 41 by utilizing the lifting mechanism 3, then the rotary scraping assembly 41 is started, the rotary scraping assembly 41 drives the collecting tank 412 to rotationally scrape mud at the bottom of the mud collecting cylinder 2, after one circle of mud is scraped, the stirring assembly 42 is pressed down to be in contact with the top of the collecting tank 412, and the collecting tank 412 is rotationally connected with the driving unit 411, so that when the stirring assembly 42 is in contact with the top of the collecting tank 412, the stirring assembly 42 stirs the collecting tank 412 to rotate for 90 degrees, the opening of the collecting tank 412 is upward, and because the collecting tank 412 is detachable, after the collecting tank 412 is full of mud, the collecting tank 412 is detached, and the mud is concentrated.

Please combine fig. 3, drive unit 411 includes motor one 8 and connecting rod 9, and motor one 8 is installed at horizontal pole 6 middle part, and motor one 8's output shaft is in connecting rod 9, and connecting rod 9 is perpendicular with motor one 8 output shaft length direction, and connecting rod 9 keeps away from motor one 8's one end rotation and connects in collecting vat 412, and connecting rod 9 length is very short, and connecting rod 9 department produces the dead angle when avoiding collecting vat 412 rotatory collection mud. To drive the collecting tank 412 to rotate the sludge.

When the rotary scraping assembly 41 is needed, the motor I8 is started, the motor I8 rotates to drive the connected connecting rod 9 to rotate, the connecting rod 9 drives the collecting tank 412 to rotationally scrape the sludge on the inner bottom surface of the sludge collecting cylinder 2, and the sludge on the inner bottom surface of the sludge collecting cylinder 2 is completely collected in the collecting tank 412.

Please combine fig. 3, stir subassembly 42 and include lower briquetting 421 and driving lever 422, lower briquetting 421 is the cuboid piece, lower briquetting 421 threaded connection is kept away from the one end of motor one 8 at lead screw 18, and lower briquetting 421 is kept away from the one end sliding connection of lead screw 18 in dead lever 7, and the length of lower briquetting 421 is greater than lead screw 18 to dead lever 7's distance. The bottom surface of the lower pressing block 421 is fixedly connected to the deflector rod 422, and the deflector rod 422 is parallel to the length direction of the collecting tank 412 and is arranged above and in front of the collecting tank 412 so as to deflect the collecting tank 412.

When the collecting tank 412 rotates around the center of the output shaft of the motor 8 for one circle, the lower pressing block 421 is driven by the rotating motor 8 to slide downwards, so that the other end of the lower pressing block 421 slides downwards along the fixed rod 7, the connected deflector rod 422 is driven to slide downwards, the deflector rod 422 just can be in contact with the top of the collecting tank 412, the collecting tank 412 rotates 90 degrees around the connecting rod 9, at the moment, the opening of the collecting tank 412 is upward, the follow-up treatment on the sludge in the collecting tank 412 is facilitated, and if the sludge is more, the lower pressing block 421 can be set to rotate for two or more circles after the collecting tank 412, the deflector rod 422 at the tail end of the lower pressing block 421 is used for stirring the collecting tank 412 to turn over, so that the sludge is collected more thoroughly.

Please combine fig. 2, elevating system 3 includes lifter 31 and power component 32, fixed cover 10 is installed to sedimentation tank 1 inner wall, lifter 31 coaxial slidable mounting is in fixed cover 10, lifter 31's length is greater than sedimentation tank 1's height, lifter 31 keeps away from the one end at sedimentation tank 1 top and connects in album mud section of thick bamboo 2, a lid 11 is installed at lifter 31 top, the diameter of lid 11 is greater than lifter 31's diameter, the slip cap 11 is provided with slip cap 12 with fixed cover 10 in the slip, slip cap 12 coaxial arrangement is in lifter 31 outside, power component 32 installs at sedimentation tank 1 top, power component 32's power take off end is connected in slip cap 12, power component 32 drive slip cap 12 slides in order to drive album mud section of thick bamboo 2 and goes up and down.

When the sludge in the sedimentation tank 1 needs to be treated, the power assembly 32 is used for driving the lifting rod 31 to slide upwards along the length direction of the fixed sleeve 10, the lifting rod 31 drives the contacted cap 11 to ascend, so that the lifting rod 31 integrally slides and ascends along the length direction of the fixed sleeve 10, the sludge collecting cylinder 2 connected with the bottom of the lifting rod is driven to ascend, and when the sludge collecting cylinder 2 ascends to the inner bottom and contacts with the bottom of the collecting tank 412, the ascending is stopped.

Referring to fig. 2, the power assembly 32 includes a second motor 13 and a driving rod 14, the second motor 13 is mounted on the top of the sedimentation tank 1, an output shaft of the second motor 13 is connected to the driving rod 14, one end of the driving rod 14, which is far away from the second motor 13, is rotatably connected to the sliding sleeve 12, and the driving rod 14 is a telescopic rod, and can change the length according to different heights of the sliding sleeve 12 so as to drive the sliding sleeve 12 to slide along the length direction thereof.

The motor II 13 is started, the motor II 13 rotates to drive the connected driving rod 14 to rotate, and the driving rod 14 is a telescopic rod, so that the sliding sleeve 12 which can drive the other end of the telescopic rod to rotate is connected to slide to drive the cap 11 and the lifting rod 31 connected with the cap 11 to lift, and the mud collecting cylinder 2 at the bottom of the lifting rod 31 is driven to slide to lift, so that the bottom in the mud collecting cylinder 2 is contacted with the bottom of the collecting groove 412. And (5) completing lifting.

Referring to fig. 1, a water inlet 15 is formed above the side wall of the sedimentation tank 1, a water outlet 16 is formed below the side wall of the sedimentation tank, and when the sludge collection cylinder 2 is positioned at the bottom of the sedimentation tank 1, the water outlet 16 is covered by the sludge collection cylinder 2 so as to realize water injection and drainage of the sedimentation tank 1.

Injecting water into the sedimentation tank 1 through the water inlet 15, lifting the mud collecting cylinder 2 out of the bottom in the sedimentation tank 1 after sedimentation is completed, and then opening the water outlet 16 to discharge the water treated in the sedimentation tank 1.

Referring to fig. 1 and 4, the top of the sedimentation tank 1 is rotatably provided with a supporting plate 17, and a plurality of supporting plates 17 may be provided to more firmly support the collection tank 412 on the top of the sedimentation tank 1 when not in use, and to support the collection tank 412 on the top of the sedimentation tank 1 when not in use.

When sedimentation is performed in the sedimentation tank 1, the collecting tank 412 is not used, and the supporting plate 17 can be rotated at the top of the sedimentation tank 1 to prevent the collecting tank 412 from being supported, and the supporting plate 17 is blocked at the inner side of the top cover of the collecting tank 412 to prevent the collecting tank 412 from falling.

The implementation principle of the aquaculture wastewater treatment device is as follows: when sedimentation tank 1 carries out the sediment to the tail water of breeding, a lot of wastes in the tail water of breeding will deposit to in the collection mud section of thick bamboo 2 of sedimentation tank 1 bottom, after the sediment is accomplished, at this moment, start motor two 13, motor two 13 rotates and makes the actuating lever 14 that connects rotate, actuating lever 14 drive the slip cap 12 of connection slide along its length direction, drive the block 11 of lifter 31 and rise, make lifter 31 and the collection mud section of thick bamboo 2 that lifter 31 bottom is connected also rise, after collection mud section of thick bamboo 2 rises to interior bottom and collecting vat 412 bottom contact back, the rise stops, close motor two 13, at this moment, start motor one 8, the connecting rod 9 of motor one end and the collecting vat 412 of connecting rod 9 other end rotate around motor one 8's output shaft center, scrape the mud of collecting vat 2 inner bottom, after collecting vat 412 rotates a round, just motor one 8 output shaft threaded connection's lower briquetting 421 also pushes down to the collecting vat 412 top, because collecting vat 412 and connecting rod 9 rotate and are connected, make lifter 31 and lifting lever 31 bottom and collecting vat 412 are connected to the top, install the lower briquetting 421 and make the collecting vat 412 and install the fixed connection at the bottom 412 at the bottom at the same time, the bottom of the collecting vat 412 is opened in order to realize the subsequent sludge collection tank is convenient for the realization, the drain is left after the sludge is completely removed, the sludge is completely and the drain is completely removed, the drain is completely after the sludge is removed, the drain is completely to the drain and the sludge is completely removed.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The aquaculture wastewater treatment device is characterized by comprising a sedimentation tank, a mud collecting cylinder, a lifting mechanism and a mud scraping mechanism, wherein the mud collecting cylinder is slidably arranged on the inner side of the sedimentation tank, the lifting mechanism is slidably arranged on the inner side wall of the sedimentation tank, the mud scraping mechanism is arranged on the top of the sedimentation tank, and the bottom of the lifting mechanism is connected with the mud collecting cylinder so as to lift the mud collecting cylinder;

the sedimentation tank is a cylindrical water tank for carrying out preliminary sedimentation on the aquaculture tail water;

the mud scraping mechanism comprises a rotary scraping assembly and a stirring assembly, wherein supporting rods are arranged at two ends of the sedimentation tank, a cross rod is connected between the supporting rods, the rotary scraping assembly is arranged in the middle of the cross rod, the rotary scraping assembly comprises a driving unit and a collecting tank, the driving unit is arranged in the middle of the cross rod, the collecting tank is rotationally connected with a power output end of the driving unit, the collecting tank is detachable, the driving unit drives the collecting tank to rotationally scrape the mud on the inner side of the mud collecting cylinder, the driving unit comprises a first motor and a connecting rod, the first motor is arranged in the middle of the cross rod, an output shaft of the first motor is connected with the connecting rod, the connecting rod is perpendicular to the length direction of the output shaft of the first motor, and one end of the connecting rod, far away from the first motor, is rotationally connected with the collecting tank so as to rotationally scrape the mud by driving the collecting tank;

a screw rod is further coaxially arranged on an output shaft of the motor, a fixed rod is further arranged on the cross rod, one end of the poking assembly is in threaded connection with the screw rod, the other end of the poking assembly is in sliding connection with the fixed rod, and the power output end of the poking assembly can poke the collecting tank to overturn.

2. The aquaculture wastewater treatment apparatus according to claim 1, wherein the toggle assembly comprises a lower pressing block and a toggle rod, wherein the lower pressing block is in threaded connection with one end of the screw rod far away from the motor one, one end of the lower pressing block far away from the screw rod is in sliding connection with a fixed rod, the bottom surface of the lower pressing block is fixedly connected with the toggle rod, and the length direction of the toggle rod is parallel to the length direction of the collecting tank and is arranged in front of and above the collecting tank so as to toggle the collecting tank to turn.

3. The aquaculture wastewater treatment device according to claim 1, wherein the lifting mechanism comprises a lifting rod and a power assembly, a fixed sleeve is arranged on the inner wall of the sedimentation tank, the lifting rod is coaxially and slidably arranged in the fixed sleeve, one end of the lifting rod, which is far away from the top of the sedimentation tank, is connected with the mud collecting cylinder, a cover cap is arranged on the top of the lifting rod, a sliding sleeve is slidably arranged between the cover cap and the fixed sleeve, the sliding sleeve is coaxially arranged on the outer side of the lifting rod, the power assembly is arranged on the top of the sedimentation tank, the power output end of the power assembly is connected with the sliding sleeve, and the power assembly drives the sliding sleeve to slide so as to drive the mud collecting cylinder to lift.

4. The aquaculture wastewater treatment apparatus according to claim 3, wherein the power assembly comprises a second motor and a driving rod, the second motor is mounted on the top of the sedimentation tank, an output shaft of the second motor is connected to the driving rod, one end of the driving rod, which is far away from the second motor, is rotatably connected to the sliding sleeve, and the driving rod is a telescopic rod for driving the sliding sleeve to slide along the length direction of the sliding sleeve.

5. The aquaculture wastewater treatment apparatus according to claim 1, wherein a water inlet is provided above a side wall of the sedimentation tank and a water outlet is provided below the side wall of the sedimentation tank to achieve water injection and drainage of the sedimentation tank.

6. An aquaculture wastewater treatment apparatus according to claim 1 wherein the top of the settling tank is further rotatably mounted with a support plate which supports the collection tank at the top of the settling tank when not in use.