CN112794487A

CN112794487A - Breed sewage self-loopa clarification plant

Info

Publication number: CN112794487A
Application number: CN202110299555.0A
Authority: CN
Inventors: 郑炜超; 陈洪伟; 郭小龙
Original assignee: Shandong Hengin Agriculture & Animal Husbandry Machinery Co ltd
Current assignee: Shandong Hengin Agriculture & Animal Husbandry Machinery Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-05-14
Anticipated expiration: 2041-03-22
Also published as: CN112794487B

Abstract

The invention relates to the technical field of mechanical equipment, in particular to self-circulation purification equipment for aquaculture sewage, which can effectively improve the sewage purification effect, reduce impurity residues, improve the water quality and improve the diversity of the purification mode of the equipment by performing circulation purification treatment on the sewage, and meanwhile, impurities at the purification part are uniformly collected, so that the equipment is not easy to be blocked, the service life of the equipment is prolonged, and the practicability and the reliability are improved; including handling bucket and inlet tube, the inside of handling bucket is provided with the circulation and purifies the mechanism, and the bottom of handling bucket is provided with power unit, and power unit and circulation purify the mechanism transmission and be connected, and the inlet tube is located the handling bucket below and passes the handling bucket bottom and purify the inside intercommunication of mechanism with the circulation.

Description

Breed sewage self-loopa clarification plant

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to self-circulation purification equipment for aquaculture sewage.

Background

As is well known, breed sewage mainly indicates the sewage that animals such as poultry or domestic animal produced when raising, and it causes destruction to the environment easily, and current breed sewage purification mode carries out filtration purification treatment to it usually, intercepts the impurity in the sewage through the filter screen to improve sewage quality, however this kind of filter screen purification mode is to carrying out direct purification to sewage, and its purification mode is comparatively single, and sewage purification effect is relatively poor, and the granule impurity in the sewage causes the jam to equipment easily simultaneously, leads to equipment life to reduce.

Disclosure of Invention

In order to solve the technical problems, the invention provides the self-circulation purification equipment for the aquaculture sewage, which can effectively improve the purification effect of the sewage, reduce the impurity residue, improve the water quality, improve the diversity of the purification modes of the equipment, uniformly collect the impurities at the purification positions, prevent the equipment from being blocked easily, prolong the service life of the equipment and improve the practicability and reliability.

The invention discloses self-circulation purification equipment for aquaculture sewage, which comprises a treatment barrel and a water inlet pipe, wherein a circulation purification mechanism is arranged inside the treatment barrel, a power mechanism is arranged at the bottom of the treatment barrel, the power mechanism is in transmission connection with the circulation purification mechanism, the water inlet pipe is positioned below the treatment barrel and penetrates through the bottom of the treatment barrel to be communicated with the inside of the circulation purification mechanism, a drainage mechanism is communicated with the top of the treatment barrel, and a collection mechanism is arranged on the left side of the treatment barrel;

circulation purification mechanism is including leading a water section of thick bamboo, four circulation section of thick bamboos and three-layer baffle, a water section of thick bamboo is vertical to be installed in the inside bottom of processing barrel and communicate with the inlet tube, a water section of thick bamboo rotates with the processing barrel to be connected, upwards superpose in proper order between four circulation sections and establish and all overlap and establish the outside at a water section of thick bamboo, three top and the top of four circulation sections of leading a water section of thick bamboo are all sealed, the bottom of downside circulation section of thick bamboo is rotated and is installed in the inside bottom of processing barrel, the bottom at remaining three circulation section of thick bamboo is installed respectively to three-layer baffle, the inside wall of three-layer baffle is installed respectively at adjacent circulation section of thick bamboo lateral wall middle part, four circulation sections and three-layer baffle rotate each other to be connected, the even intercommunication of outer wall downside of four circulation sections is provided with the filtration pore, multiunit filtration pore on the upside circulation section of thick bamboo is located the top of upside baffle, filtration pore The outer end of each first connecting frame is fixed on the inner side wall of the corresponding circulating cylinder, the plurality of water guide pipes are respectively communicated with the water guide cylinder and the three circulating cylinders at the lower side, the outer ends of the plurality of water guide pipes penetrate through the lower side of the adjacent circulating cylinder and extend into the vicinity of the inner side wall of the treatment barrel, each water guide pipe is in a vortex shape, a plurality of groups of blades are uniformly and obliquely arranged on the upper side and the lower side of the outer side wall of each water guide pipe, and the outer side wall of the lower circulating cylinder is in transmission connection with a; the circulating purification mechanism has the working mode that the lower side circulating cylinder is driven to rotate by the power mechanism, the lower side circulating cylinder drives the water guide cylinder and the remaining three circulating cylinders to synchronously rotate through a plurality of first connecting frames, the three layers of clapboards keep a fixed state, the water guide cylinders and the four circulating cylinders in the rotating state drive a plurality of water guide pipes and a plurality of groups of fan blades to synchronously rotate, the external sewage is discharged into the water guide cylinders through the water inlet pipes, the sewage in the water guide cylinders is discharged into the plurality of water guide pipes on the water guide pipes, and each water guide pipe is in a vortex shape, the sewage in each water guide pipe flows outwards in a rotating centrifugal mode and is thrown to the position close to the inner side wall of the treatment barrel, so that the sewage and impurities in the sewage perform rotating centrifugal motion, meanwhile, multiple sets of fan blades in a rotating state perform stirring centrifugal treatment on the sewage discharged by the water guide pipes on the water guide barrel, particle impurities in the sewage flow along the inner side wall of the treatment barrel in a rotating mode, the sewage discharged by the water guide pipes on the water guide barrel is gathered towards the middle of the treatment barrel and passes through multiple sets of filter holes on the lower circulating barrel to enter the lower circulating barrel, the multiple sets of filter holes on the lower circulating barrel perform filtering interception treatment on the sewage, the sewage in the lower circulating barrel flows upwards to the inner upper side of the lower circulating barrel and is discharged into the treatment barrel again in a rotating mode through the multiple water guide pipes on the lower circulating barrel, the sewage is located between the lower partition plate and the middle partition plate, the sewage performs secondary rotating centrifugal filtering treatment and, the sewage in the second circulating cylinder at the lower side flows upwards and is discharged into the treatment barrel through the plurality of water guide pipes in a rotating mode again, the sewage is located between the middle partition plate and the upper partition plate, the sewage is subjected to three-time rotating centrifugal filtration treatment and flows back into the second circulating cylinder at the upper side in a reverse mode again, the sewage in the second circulating cylinder at the upper side flows upwards and is discharged into the treatment barrel through the plurality of water guide pipes in a rotating mode again, the sewage is located above the upper partition plate, the sewage is subjected to four-time rotating centrifugal filtration treatment and flows back into the circulating cylinder at the upper side again in a reverse mode, the sewage in the circulating cylinder at the upper side flows upwards and is discharged to the outside through the drainage mechanism, the sewage is circularly purified and treated, the sewage purification effect is improved, meanwhile, the filter holes in the four circulating cylinders are always in a rotating state, and accordingly, impurities are prevented from adsorbing, avoid equipment damage, improve equipment life through carrying out circulation purification treatment to sewage, can effectively improve sewage purification effect, reduce impurity and remain, improve quality of water, improve equipment purifies the variety of mode, and the impurity that purifies the department simultaneously is unified to be collected, and it is difficult for causing the jam to equipment, improve equipment life, improvement practicality and reliability.

The invention relates to self-circulation purification equipment for aquaculture sewage, which comprises a water collecting cylinder, a water discharging pipe and two second connecting frames, wherein the water collecting cylinder is funnel-shaped, the diameter of the bottom of the water collecting cylinder is larger than that of the top of the water collecting cylinder, the bottom of the water collecting cylinder is fixed at the top of the second circulating cylinder at the upper side, the top of the water collecting cylinder is rotatably installed at the top of the inner wall of a treatment barrel, a plurality of groups of inclined water gaps are uniformly communicated on the side wall of the water collecting cylinder, a plurality of groups of spiral plates are uniformly and obliquely arranged on the inner side wall of the water collecting cylinder, the water discharging pipe is installed at the top of the treatment barrel and is communicated with the interior of the water collecting cylinder, the output end of the water discharging pipe is positioned at; the utility model discloses a sewage treatment device, including a water collecting barrel, a plurality of group spiral plates, because the multiunit mouth of a river and the multiunit spiral plates on the water collecting barrel all set up to the tilt state, the multiunit mouth of a river can be accomodate the sewage of the inside upside of upside circulation barrel in the water collecting barrel rotates in step, the multiunit spiral plates can upwards promote the sewage in the water collecting barrel and flow into in the drain pipe, thereby the discharge velocity of the sewage through purification treatment in the improvement treating barrel, because the right side of drain pipe sets up to crooked form, can effectively improve the water storage capacity in the drain pipe right side pipe, thereby improve the siphon pressure of sewage in the drain pipe, improve sewage discharge velocity in the treating barrel, improve equipment.

The invention relates to self-circulation purification equipment for aquaculture sewage, which comprises a power mechanism, a first outer gear ring, three first straight gears, three rotating shafts, three bevel gears, a connecting ring, an isolation buckle cap, a second outer gear ring, a second straight gear, a motor and two third connecting frames, wherein the first outer gear ring is sleeved on the lower side of the outer side wall of a lower side circulation cylinder, the three first straight gears are uniformly distributed on the outer side of the first outer gear ring and are mutually meshed and connected, the three rotating shafts are respectively arranged at the bottoms of the three first straight gears, the bottoms of the three rotating shafts penetrate through a treatment barrel and extend out to the lower side of the treatment barrel, the three rotating shafts are respectively connected with the treatment barrel in a rotating manner, the three bevel gears are respectively arranged at the bottoms of the three rotating shafts, the connecting ring is positioned at the outer sides of the three bevel gears and is fixed at the bottom of the treatment barrel, the, the conical surface is uniformly provided with teeth, the three bevel gears are all meshed and connected with the teeth in the isolation buckle cap, the second external gear ring is sleeved on the outer side of the isolation buckle cap, the second straight gears are positioned on the right sides of the second external gear ring and are meshed and connected with each other, and the motor is arranged on the lower side of the second straight gears and is fixed at the bottom of the treatment barrel through two third connecting frames; the motor is started, the motor drives the second outer gear ring and the isolation buckle cap to synchronously rotate through the second straight gear, the isolation buckle cap rotates on the connecting ring and drives the three bevel gears to synchronously rotate, and the three bevel gears synchronously drive the first outer gear ring and the lower side circulating cylinder to rotate through the three rotating shafts and the three first straight gears, so that the circulating purification mechanism is driven to operate.

According to the self-circulation purification equipment for the aquaculture sewage, the annular activated carbon plate is sleeved on the upper side of the outer side wall of the second circulation cylinder on the upper side, the outer side wall of the annular activated carbon plate is fixed on the upper side of the inner wall of the circulation cylinder on the upper side, a plurality of pushing plates are uniformly arranged on the top of the annular activated carbon plate in an annular mode, and the pushing plates are all kept in an inclined state; an upside circulation section of thick bamboo of rotation state drives annular activated carbon plate and a plurality of slurcam and rotates in step, and sewage in the upside circulation section of thick bamboo passes annular activated carbon plate and upwards flows, and annular activated carbon plate adsorbs the processing to surplus peculiar smell and other materials in the sewage to improve sewage purification effect, a plurality of slurcams of rotation state can upwards promote the sewage that passes annular activated carbon plate, thereby improve the speed that sewage passed annular activated carbon plate, improve sewage treatment efficiency.

The invention relates to self-circulation purification equipment for aquaculture sewage, which is characterized in that a collecting mechanism comprises four sewage guide bins, a five-way pipe, four groups of switch valves, a collecting bin and a cover plate, wherein the three sewage guide bins are arranged on the left side of the bottom of a three-layer partition plate, the rest one sewage guide bin is arranged on the left side of the bottom of a treatment barrel, the three sewage guide bins are communicated with the space above the three-layer partition plate, the rest one sewage guide bin is communicated with the left lower side of the interior of the treatment barrel, the five-way pipe is positioned on the left side of the treatment barrel, the five-way pipe is communicated with the left sides of the four sewage guide bins, the four groups of switch valves are respectively arranged on four groups of input ends on the right sides of the five-way pipe, the collecting bin is positioned on the left lower side of the treatment barrel, the bottom of the five-way pipe; three-layer baffle top and the rotatory whereabouts of impurity of processing bucket inner wall bottom centrifugal filtration separation lead in the dirty storehouse to four, four impurity of leading in the dirty storehouse flow in the collection storehouse through the five-way pipe, thereby collect impurity in unison, because the right lower part of collecting the storehouse sets up to the inclined plane, can conveniently make impurity gather near clearance mouth, after the impurity of the storage of collection storehouse reaches the specified volume, close four switching valves of group, open the apron, can conveniently carry out the clearance in unison to the impurity of the storage of collection storehouse through clearance mouth.

The self-circulation purification equipment for the aquaculture sewage further comprises an isolation cover, wherein the isolation cover is positioned on the outer sides of the first outer gear ring and the three first straight gears, the top of the isolation cover is conical and is arranged on the outer side wall of the lower side circulation cylinder, and the bottom of the isolation cover is rotatably arranged at the bottom of the inner wall of the treatment cylinder; through setting up the cage, can conveniently shelter from first outer ring gear and three first straight gear, avoid the impurity of sewage separation to get into between first outer ring gear and the three first straight gear and influence its transmission state, improve the practicality.

According to the self-circulation purification equipment for the aquaculture sewage, the outer side wall of the isolation cover and the upper side of the outer side wall of the three circulation cylinders at the upper side are uniformly provided with the plurality of scraping plates; four circulation section of thick bamboos drive cage and a plurality of scraper blade synchronous rotations, and a plurality of scraper blades can scrape the clearance processing to sedimentary impurity on three-layer baffle top and the processing barrel inner wall bottom to conveniently promote in impurity gets into four leads dirty storehouses, avoid impurity deposition in three-layer baffle top and the inside bottom of processing barrel, improve impurity clearance effect, improve practicality and reliability.

Compared with the prior art, the invention has the beneficial effects that: external sewage is discharged into to circulation purification mechanism through the inlet tube in, open power unit, power unit drives circulation purification mechanism and moves and carry out circulation purification treatment to sewage, sewage through purification treatment passes through drainage mechanism and discharges to the external world, collect the impurity that mechanism purified the separation in to the pail and unify and collect, thereby realize the purification treatment work to sewage, through carrying out circulation purification treatment to sewage, can effectively improve sewage purification effect, it remains to reduce impurity, improve water quality, improve equipment purification mode's variety, the impurity of purifying the department simultaneously is unified to be collected, it is difficult for causing the jam to equipment, improve equipment life, practicality and reliability are improved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged perspective view of the interior of the barrel of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

in the drawings, the reference numbers: 1. a treatment barrel; 2. a water inlet pipe; 3. a water guide cylinder; 4. a circulation cylinder; 5. a partition plate; 6. a first connecting frame; 7. a water conduit; 8. a fan blade; 9. a water collection cylinder; 10. a spiral plate; 11. a drain pipe; 12. a second link frame; 13. a first outer ring gear; 14. a first straight gear; 15. a rotating shaft; 16. a bevel gear; 17. a connecting ring; 18. an isolation buckle cap; 19. a second outer ring gear; 20. a second spur gear; 21. a motor; 22. a third connecting frame; 23. an annular activated carbon plate; 24. a push plate; 25. a dirt guiding bin; 26. a five-way pipe; 27. an on-off valve; 28. a collection bin; 29. a cover plate; 30. an isolation cover; 31. a scraper.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, in the self-circulation purification device for aquaculture sewage of the present invention, when in operation, external sewage is discharged into the circulation purification mechanism through the water inlet pipe 2, the power mechanism is opened, the power mechanism drives the circulation purification mechanism to operate and perform circulation purification treatment on the sewage, the purified sewage is discharged to the outside through the water discharge mechanism, and the collection mechanism performs uniform collection on impurities purified and separated from the treatment barrel 1, so as to realize purification treatment of the sewage.

The main functions realized by the invention are as follows: by circularly purifying the sewage, the sewage purification effect can be effectively improved, the impurity residue is reduced, the water quality is improved, the diversity of equipment purification modes is improved, and meanwhile, the impurities at the purification position are uniformly collected, so that the equipment is not easy to be blocked, and the service life of the equipment is prolonged; the operation mode of the circulating purification mechanism is that a power mechanism drives a lower side circulating cylinder 4 to rotate, the lower side circulating cylinder 4 drives a water guide cylinder 3 and the remaining three circulating cylinders 4 to synchronously rotate through a plurality of first connecting frames 6, three layers of partition plates 5 keep a fixed state, the water guide cylinder 3 and four circulating cylinders 4 in a rotating state drive a plurality of water guide pipes 7 and a plurality of groups of fan blades 8 to synchronously rotate, external sewage is discharged into the water guide cylinder 3 through a water inlet pipe 2, the sewage in the water guide cylinder 3 is discharged into the plurality of water guide pipes 7 on the water guide cylinder, as each water guide pipe 7 is in a vortex shape, the sewage in each water guide pipe 7 rotates, centrifugally flows outwards and is thrown to the vicinity of the inner side wall of a treatment barrel 1, so that the sewage and impurities in the sewage rotate, and centrifugally move, and the plurality of groups of fan blades 8 in the rotating state carry out stirring and centrifugal treatment on the sewage discharged from the plurality of, granular impurities in the sewage flow in a rotating mode along the inner side wall of the treatment barrel 1, meanwhile, the sewage discharged by the water guide pipes 7 on the water guide barrel 3 is gathered towards the middle of the treatment barrel 1 and passes through a plurality of groups of filter holes on the lower circulating barrel 4 to enter the lower circulating barrel 4, the sewage is filtered and intercepted by the plurality of groups of filter holes on the lower circulating barrel 4, the sewage in the lower circulating barrel 4 flows upwards to the inner upper side of the lower circulating barrel and is discharged into the treatment barrel 1 in a rotating mode again through the water guide pipes 7 on the lower circulating barrel 4, the sewage is located between the lower partition plate 5 and the middle partition plate 5 at the moment, the sewage is subjected to secondary rotating centrifugal filtration treatment and flows back into the lower second circulating barrel 4 again, the sewage in the lower second circulating barrel 4 flows upwards and is discharged into the treatment barrel 1 in a rotating mode again through the water guide pipes 7 on the lower circulating barrel, and the sewage is located between, the sewage is subjected to three-time rotary centrifugal filtration treatment and reversely flows back into the second upper circulating cylinder 4 again, the sewage in the second upper circulating cylinder 4 flows upwards and is rotationally discharged into the treatment barrel 1 again through the plurality of water guide pipes 7 on the sewage, the sewage is positioned above the upper partition plate 5 at the moment, the sewage is subjected to four-time rotary centrifugal filtration treatment and reversely flows back into the upper circulating cylinder 4 again, the sewage in the upper circulating cylinder 4 flows upwards and is discharged to the outside through a drainage mechanism, so that the sewage cyclic purification treatment work is realized, the sewage purification effect is improved, and meanwhile, the filter holes on the four circulating cylinders 4 are always in a rotating state, so that impurities are prevented from causing adsorption blockage to the filter holes, the equipment is prevented from being damaged, and the service life of the equipment is prolonged; the operation mode of the drainage mechanism is that the second upper circulating cylinder 4 drives the water collecting cylinder 9 to synchronously rotate when rotating, the water collecting cylinder 9 drives the plurality of groups of spiral plates 10 on the water collecting cylinder 9 to synchronously rotate, the plurality of groups of water outlets and the plurality of groups of spiral plates 10 on the water collecting cylinder 9 are all set to be in an inclined state, the plurality of groups of water outlets can collect the sewage on the upper side inside the upper circulating cylinder 4 into the water collecting cylinder 9, the plurality of groups of spiral plates 10 can push the sewage in the water collecting cylinder 9 upwards and flow the sewage into the drain pipe 11, so that the drainage speed of the sewage after purification treatment in the treatment barrel 1 is improved, and the water storage amount in the right side pipe of the drain pipe 11 can be effectively improved because the right side of the drain pipe 11 is set to be in a bent shape, so that the siphon pressure of the sewage in; the operation mode of the power mechanism is that a motor 21 is turned on, the motor 21 drives a second external gear ring 19 and an isolation buckle cap 18 to synchronously rotate through a second straight gear 20, the isolation buckle cap 18 rotates on a connecting ring 17 and drives three bevel gears 16 to synchronously rotate, and the three bevel gears 16 synchronously drive a first external gear ring 13 and a lower side circulating cylinder 4 to rotate through three rotating shafts 15 and three first straight gears 14, so that the circulating purification mechanism is driven to operate; the upper side circulating cylinder 4 in a rotating state drives the annular activated carbon plate 23 and the plurality of pushing plates 24 to synchronously rotate, sewage in the upper side circulating cylinder 4 passes through the annular activated carbon plate 23 and flows upwards, the annular activated carbon plate 23 adsorbs residual peculiar smell and other substances in the sewage, so that the sewage purification effect is improved, the plurality of pushing plates 24 in a rotating state can push the sewage passing through the annular activated carbon plate 23 upwards, the speed of the sewage passing through the annular activated carbon plate 23 is improved, and the sewage treatment efficiency is improved; the operation mode of the collecting mechanism is that the impurities centrifugally filtered and separated from the tops of the three layers of partition plates 5 and the bottom of the inner wall of the processing barrel 1 fall into the four dirt guide bins 25 in a rotating mode, the impurities in the four dirt guide bins 25 flow into the collecting bin 28 through the five-way pipe 26, so that the impurities are collected uniformly, the impurities can be conveniently collected near the cleaning port due to the fact that the right lower portion of the collecting bin 28 is provided with the inclined surface, when the impurities stored in the collecting bin 28 reach a specified amount, the four groups of switch valves 27 are closed, the cover plate 29 is opened, and the impurities stored in the collecting bin 28 can be conveniently cleaned uniformly through the cleaning port; by arranging the isolation cover 30, the first outer gear ring 13 and the three first straight gears 14 can be conveniently shielded, and impurities separated from sewage are prevented from entering between the first outer gear ring 13 and the three first straight gears 14 and influencing the transmission state of the first outer gear ring 13 and the three first straight gears 14; four circulation section of thick bamboos 4 drive cage 30 and a plurality of scraper blade 31 and rotate in step, and a plurality of scraper blades 31 can scrape the clearance processing to sedimentary impurity on 5 tops of three-layer baffle and the 1 inner wall bottom of processing barrel to conveniently promote impurity and get into four and lead in dirty storehouse 25, avoid the impurity deposit in 5 tops of three-layer baffle and the 1 inside bottom of processing barrel, improve impurity clearance effect, improve practicality and reliability.

The self-circulation purification equipment for the aquaculture sewage is provided with common mechanical modes in installation mode, connection mode or arrangement mode, and can be implemented as long as the beneficial effects of the equipment are achieved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The self-circulation purification equipment for the aquaculture sewage is characterized by comprising a treatment barrel (1) and a water inlet pipe (2), wherein a circulation purification mechanism is arranged inside the treatment barrel (1), a power mechanism is arranged at the bottom of the treatment barrel (1), the power mechanism is in transmission connection with the circulation purification mechanism, the water inlet pipe (2) is positioned below the treatment barrel (1) and penetrates through the bottom of the treatment barrel (1) to be communicated with the inside of the circulation purification mechanism, a drainage mechanism is communicated with the top of the treatment barrel (1), and a collection mechanism is arranged on the left side of the treatment barrel (1);

the circulating purification mechanism comprises a water guide cylinder (3), four circulating cylinders (4) and three layers of partition plates (5), wherein the water guide cylinder (3) is vertically arranged at the bottom inside a treatment barrel (1) and is communicated with a water inlet pipe (2), the water guide cylinder (3) is rotatably connected with the treatment barrel (1), the four circulating cylinders (4) are upwards overlapped and sleeved in sequence and are sleeved on the outer side of the water guide cylinder (3), the tops of the three water guide cylinders (3) and the tops of the four circulating cylinders (4) are sealed, the bottom of the lower circulating cylinder (4) is rotatably arranged at the bottom inside the treatment barrel (1), the three layers of partition plates (5) are respectively arranged at the bottoms of the remaining three circulating cylinders (4), the inner side walls of the three layers of partition plates (5) are respectively arranged at the middle parts of the outer side walls of the adjacent circulating cylinders (4), the four circulating cylinders (4) are rotatably connected with the three layers of partition plates (5), filter holes are uniformly communicated with the lower sides of the, the multiunit filtration pore on upside circulation section of thick bamboo (4) is located the top of upside baffle (5), filtration pore on the three circulation section of thick bamboo (4) of surplus all is located the below that corresponds baffle (5), all be provided with a plurality of first link (6) and many leading water pipes (7) on the lateral wall of leading water section of thick bamboo (3) and the lateral wall of the three circulation section of thick bamboo of downside (4), the outer end of every first link (6) is all fixed on the inside wall that corresponds circulation section of thick bamboo (4), many leading water pipes (7) communicate with the three circulation section of thick bamboo (4) of leading water section of thick bamboo (3) and downside respectively, the outer end of many leading water pipes (7) all passes adjacent circulation section of thick bamboo (4) downside and stretches into near processing barrel (1) inside wall, every leading water pipe (7) all are the vortex form, the even slope of lateral wall upside and the downside of every leading water pipe (7) is provided with multiunit flabellum (8), the lateral wall.

2. The self-circulation purification equipment for aquaculture sewage according to claim 1, wherein the drainage mechanism comprises a water collection cylinder (9), a drainage pipe (11) and two second connecting frames (12), the water collection cylinder (9) is funnel-shaped, the diameter of the bottom of the water collection cylinder (9) is larger than that of the top of the water collection cylinder, the bottom of the water collection cylinder (9) is fixed at the top of the second upper circulation cylinder (4), the top of the water collection cylinder (9) is rotatably installed at the top of the inner wall of the treatment barrel (1), a plurality of groups of inclined water gaps are uniformly communicated with the side wall of the water collection cylinder (9), a plurality of groups of spiral plates (10) are uniformly inclined on the inner side wall of the water collection cylinder (9), the drainage pipe (11) is installed at the top of the treatment barrel (1) and is communicated with the inside of the water collection cylinder (9), the output end of the drainage pipe (11) is positioned at the lower right side of the, the right side of the drain pipe (11) is fixed on the right side wall of the processing barrel (1) through two second connecting frames (12).

3. The self-circulation purification equipment for aquaculture sewage as claimed in claim 2, wherein the power mechanism comprises a first external gear ring (13), three first spur gears (14), three rotating shafts (15), three bevel gears (16), a connecting ring (17), a separation buckle cap (18), a second external gear ring (19), a second spur gear (20), a motor (21) and two third connecting frames (22), the first external gear ring (13) is sleeved on the lower side of the outer side wall of the lower side circulation cylinder (4), the three first spur gears (14) are uniformly distributed on the outer side of the first external gear ring (13) and are mutually meshed and connected, the three rotating shafts (15) are respectively installed at the bottoms of the three first spur gears (14), the bottoms of the three rotating shafts (15) all penetrate through the treatment barrel (1) and extend to the lower part of the treatment barrel (1), and the three rotating shafts (15) are all rotatably connected with the treatment barrel (1), three bevel gear (16) are installed respectively in the bottom of three pivot (15), go-between (17) are located the outside of three bevel gear (16) and fix in processing barrel (1) bottom, isolation buckle cap (18) slidable mounting is in the bottom of go-between (17), the inside wall downside of isolation buckle cap (18) sets up to the toper face, evenly be provided with the tooth on the toper face, three bevel gear (16) all are connected with the tooth meshing in isolation buckle cap (18), second outer ring gear (19) cover is established in the outside of isolation buckle cap (18), second spur gear (20) are located the right side of second outer ring gear (19) and intermeshing connects, motor (21) are installed in the downside of second spur gear (20) and are fixed in processing barrel (1) bottom through two third link (22).

4. The self-circulation purification device for aquaculture sewage as claimed in claim 3, wherein the upper side of the outer side wall of the second upper circulation cylinder (4) is sleeved with an annular activated carbon plate (23), the outer side wall of the annular activated carbon plate (23) is fixed on the upper side of the inner wall of the upper circulation cylinder (4), a plurality of pushing plates (24) are uniformly and annularly arranged at the top of the annular activated carbon plate (23), and the pushing plates (24) are kept in an inclined state.

5. The self-circulation purification device for aquaculture sewage as claimed in claim 4, wherein the collection mechanism comprises four dirt guiding bins (25), a five-way pipe (26), four groups of switch valves (27), a collection bin (28) and a cover plate (29), three dirt guiding bins (25) are arranged at the left side of the bottom of the three-layer partition plate (5), the remaining one dirt guiding bin (25) is arranged at the left side of the bottom of the treatment barrel (1), the three dirt guiding bins (25) are communicated with the space above the three-layer partition plate (5), the remaining one dirt guiding bin (25) is communicated with the left lower side inside the treatment barrel (1), the five-way pipe (26) is arranged at the left side of the treatment barrel (1), the five-way pipe (26) is communicated with the left sides of the four dirt guiding bins (25), the four groups of switch valves (27) are respectively arranged at the four groups of input ends at the right side of the five-way pipe (26), the collection bin (28) is arranged at, the bottom of the five-way pipe (26) is communicated and installed at the top of the collection bin (28), the right lower part of the collection bin (28) is an inclined plane, the left lower side of the collection bin (28) is communicated and provided with a cleaning opening, and the cover plate (29) covers the cleaning opening.

6. The self-circulation purification equipment for aquaculture sewage as claimed in claim 5, further comprising a shielding case (30), wherein the shielding case (30) is located outside the first external gear ring (13) and the three first straight gears (14), the top of the shielding case (30) is arranged in a conical shape and is installed on the outer side wall of the lower side circulation barrel (4), and the bottom of the shielding case (30) is rotatably installed at the bottom of the inner wall of the treatment barrel (1).

7. The self-circulation purification device for aquaculture sewage as claimed in claim 6, wherein a plurality of scrapers (31) are uniformly arranged on the outer side wall of the isolation cover (30) and the upper side of the outer side wall of the three circulation cylinders (4).