CN221344170U

CN221344170U - Water circulation device of sedimentation tank

Info

Publication number: CN221344170U
Application number: CN202323253140.3U
Authority: CN
Inventors: 陈为鹏; 沈晓通
Original assignee: Guangdong Hongsheng Environmental Protection Technology Co ltd
Current assignee: Guangdong Hongsheng Environmental Protection Technology Co ltd
Priority date: 2023-11-30
Filing date: 2023-11-30
Publication date: 2024-07-16
Anticipated expiration: 2033-11-30

Abstract

The utility model belongs to the technical field of solid-liquid separation, in particular to a water circulation device of a sedimentation tank, which comprises a first sedimentation tank; a plurality of groups of first fixing rings are fixedly connected to the side wall of the first sedimentation tank; the side wall of the first fixing ring is annularly provided with a first supporting leg; the bottom of the first sedimentation tank is fixedly connected with a first mud leakage bucket; the side wall of the first sedimentation tank is fixedly connected with a water inlet; the water inlet penetrates through the first sedimentation tank and extends into the first sedimentation tank; through in filling the sewage that needs to handle into first sedimentation tank through the water inlet, silt in sewage can deposit inside first hourglass mud bucket under gravity, the water at top can contain less impurity in the first sedimentation tank, through the slotted hole of seting up at infiltration device top, make the water at top in the first sedimentation tank enter into inside the second sedimentation tank along the connecting pipe through the effect of siphon, reduced when depositing sewage, the suction pump absorbs the problem of increasing settling time together with impurity.

Description

Water circulation device of sedimentation tank

Technical Field

The utility model belongs to the technical field of solid-liquid separation, and particularly relates to a water circulation device of a sedimentation tank.

Background

In the current life and production, water sources such as sewage and the like containing other substances are usually precipitated by a precipitation tank, so that the sewage is purified and reused, and other substances in the sewage are separated from the water by a precipitation process.

When the water source to be precipitated is precipitated, the water to be treated is put into a precipitation tank, other substances in the water are precipitated by long-time waiting, and toxic substances such as heavy metals in the water source are precipitated again after treatment, so that the water source can be reused.

When the sedimentation tank in the prior art is used for water circulation, more fine particles are needed to be treated, and if water is pumped by a water pump for treating the particles, more impurities are sucked by the water to be treated when the water is pumped, so that the impurities in the water circulation are increased, and the sedimentation time of the water to be treated is increased.

Disclosure of utility model

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a water circulation device of a sedimentation tank, which comprises a first sedimentation tank; a plurality of groups of first fixing rings are fixedly connected to the side wall of the first sedimentation tank; the side wall of the first fixing ring is annularly provided with a first supporting leg; the bottom of the first sedimentation tank is fixedly connected with a first mud leakage bucket; the side wall of the first sedimentation tank is fixedly connected with a water inlet; the water inlet penetrates through the first sedimentation tank and extends into the first sedimentation tank; a connecting pipe is fixedly connected to the side wall of the first sedimentation tank; the connecting pipe penetrates through the first sedimentation tank and extends into the first sedimentation tank; one end of the connecting pipe, which is positioned in the first sedimentation tank, is fixedly connected with a water seepage device; a second sedimentation tank is fixedly connected to one end of the connecting pipe, which is far away from the first sedimentation tank; the connecting pipe penetrates through the second sedimentation tank and extends into the second sedimentation tank; a plurality of groups of second fixing rings are fixedly connected to the side wall of the second sedimentation tank; the side wall of the second fixing ring is annularly provided with a second supporting leg; the bottom of the second sedimentation tank is fixedly connected with a second mud leakage bucket; the inner side wall of the second sedimentation tank is obliquely provided and fixedly connected with a plurality of groups of first sloping plates; a water outlet is fixedly connected to the side wall of the second sedimentation tank; the water outlet penetrates through the second sedimentation tank and extends into the second sedimentation tank; mud discharge ports are arranged at the bottoms of the first mud leakage hopper and the second mud leakage hopper; the time when sewage is treated is reduced, and the problem that the sedimentation time is increased when the sewage is precipitated due to the fact that the impurity is sucked by the water suction pump is solved.

Preferably, the top of the second sedimentation tank is annularly provided and fixedly connected with a plurality of groups of first fixing frames; one end of the first fixing frame far away from the second sedimentation tank is fixedly connected with a first fixing seat; the top of the first fixing seat is fixedly connected with a first motor; the output end of the first motor penetrates through the first fixing seat and is in rotary connection with the first fixing seat; the output end of the first fixing seat is fixedly connected with a first rotating roller; the surface of the first rotating roller is annularly provided and fixedly connected with a plurality of groups of second sloping plates; the second inclined plate is obliquely arranged; the time for mixing the sewage in the second sedimentation tank with the flocculating agent is reduced, and the time for treating the sewage in the second sedimentation tank is reduced.

Preferably, the side wall of the second sedimentation tank is fixedly connected with a medicine mixing box; a baffle is hinged to the bottom of the medicine mixing box; the side wall of the second inclined plate is fixedly connected with a connecting rod; the connecting rod is L-shaped; the top of the connecting rod is fixedly connected with an extrusion block; the top of the extrusion block is provided with an arc surface; the top of the extrusion block is contacted with the bottom of the baffle; the time for mixing sewage and flocculant is reduced, and the problem that flocculated sediment is attached to the second inclined plate is reduced.

Preferably, the top of the first sedimentation tank is provided with a second fixing frame in an annular array; one end of the second fixing frame far away from the first sedimentation tank is fixedly connected with a second fixing seat; the top of the second fixing seat is fixedly connected with a second motor; the second motor output end penetrates through the second fixing seat and is in rotary connection with the second fixing seat; the output end of the second motor is fixedly connected with a second rotating roller; the end, far away from the second fixing seat, of the second rotating roller is provided with a scraping plate in an annular shape; the scraping plate is contacted with the inner side wall of the first mud leakage bucket; the time for cleaning the sediment accumulated in the first sedimentation tank is reduced, and the time for increasing the sewage treatment cycle by the sediment accumulation is reduced.

Preferably, the side wall of the second inclined plate is symmetrically provided with a plurality of through holes; the inner side wall of the through hole is fixedly connected with a dispersion column; the dispersion columns are arranged in a cross manner and are positioned in the middle of the through hole; reduces the time for mixing the flocculant and increases the fusion effect between sewage and the flocculant.

Preferably, the side wall of the water outlet is annularly provided with a clamping block; the clamping block is positioned in the second sedimentation tank; an oil filter screen is arranged at one end of the water outlet, which is positioned in the second sedimentation tank; a clamping ring is hinged to the side wall of the oil filter screen; the clamping ring is contacted with the clamping block; reduces the time required by the subsequent treatment of the secondary sedimentation sewage and reduces oily matters in the discharged water.

Preferably, a groove is formed in the bottom of the baffle; graphite blocks are fixedly connected in the grooves; the graphite block is contacted with the extrusion block; the friction force of the extrusion block during rotation is reduced, and the smoothness of the extrusion block during rotation is improved.

The utility model has the beneficial effects that:

1. The utility model provides a water circulation device of a sedimentation tank, which is characterized in that a first motor is started to work through a second inclined plate, the first motor can slowly rotate, a second inclined plate positioned on a first rotating roller can rotate under the rotation of the first rotating roller when the first motor rotates, and as the second inclined plate is obliquely arranged, particles in sewage are downwards deposited along the second inclined plate when contacting with the second inclined plate, so that the mixing time of sewage and flocculant in the second sedimentation tank is reduced, and the treatment time of sewage in the second sedimentation tank is shortened.

2. The utility model provides a water circulation device of a sedimentation tank, which is designed through a scraper blade, when sediment in a first sedimentation tank is treated, a second motor on a second fixing seat is turned on, so that the second motor drives a second rotating roller to rotate, and the sediment in a second mud leakage bucket can be cleaned by the scraper blade under the rotation of the second rotating roller, so that the sediment is discharged through a mud discharge port, the time for cleaning the sediment accumulated in the first sedimentation tank is reduced, and the time for accumulating the sediment and increasing sewage treatment circulation is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a perspective view of the present utility model;

Fig. 2 is a perspective view of a first swash plate according to the present utility model;

FIG. 3 is a perspective view of a screed according to the present utility model;

Fig. 4 is a perspective view of a second swash plate according to the present utility model;

FIG. 5 is a perspective view of a dispersion column according to the present utility model;

fig. 6 is a perspective view of an oil filter screen according to the present utility model.

Legend description:

1. A first sedimentation tank; 11. a first fixing ring; 111. a first leg; 12. a first mud hopper; 13. a water inlet; 14. a water seepage device; 15. a connecting pipe; 16. a second sedimentation tank; 17. a second fixing ring; 171. a second leg; 18. a second mud hopper; 19. a first swash plate; 191. a water outlet; 192. a mud discharging port; 2. a first fixing frame; 21. a first fixing seat; 22. a first motor; 23. a first rotating roller; 24. a second swash plate; 3. a medicine mixing box; 31. a baffle; 32. a connecting rod; 33. extruding a block; 4. the second fixing frame; 41. the second fixing seat; 42. a second motor; 43. a second rotating roller; 44. a scraper; 5. a through hole; 51. a dispersion column; 6. a clamping block; 61. an oil filter screen; 62. a clasp; 7. a groove; 71. graphite blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1-6, the present utility model provides a water circulation device of a sedimentation tank, comprising a first sedimentation tank 1; a plurality of groups of first fixing rings 11 are fixedly connected to the side wall of the first sedimentation tank 1; the side wall of the first fixing ring 11 is provided with a first supporting leg 111 in an annular shape; the bottom of the first sedimentation tank 1 is fixedly connected with a first mud leakage bucket 12; the side wall of the first sedimentation tank 1 is fixedly connected with a water inlet 13; the water inlet 13 penetrates through the first sedimentation tank 1 and extends into the first sedimentation tank 1; the side wall of the first sedimentation tank 1 is fixedly connected with a connecting pipe 15; the connecting pipe 15 penetrates through the first sedimentation tank 1 and extends into the first sedimentation tank 1; one end of the connecting pipe 15 positioned in the first sedimentation tank 1 is fixedly connected with a water seepage device 14; a second sedimentation tank 16 is fixedly connected to one end of the connecting pipe 15 far away from the first sedimentation tank 1; the connecting pipe 15 penetrates through the second sedimentation tank 16 and extends into the second sedimentation tank 16; a plurality of groups of second fixing rings 17 are fixedly connected to the side wall of the second sedimentation tank 16; the side wall of the second fixing ring 17 is provided with a second supporting leg 171 in a ring shape; a second mud leakage hopper 18 is fixedly connected to the bottom of the second sedimentation tank 16; the inner side wall of the second sedimentation tank 16 is obliquely provided and fixedly connected with a plurality of groups of first sloping plates 19; a water outlet 191 is fixedly connected to the side wall of the second sedimentation tank 16; the water outlet 191 penetrates through the second sedimentation tank 16 and extends into the second sedimentation tank 16; the bottoms of the first mud leakage hopper 12 and the second mud leakage hopper 18 are respectively provided with a mud discharge port 192; during operation, through will need the sewage of handling through water inlet 13 to pour into first sedimentation tank 1 into, sewage in first sedimentation tank 1 at this moment can carry out primary sedimentation, sediment in sewage can deposit in first muddy hopper 12 under gravity, when the slow water inflow of water inlet 13, the water at the top can contain less impurity in first sedimentation tank 1, through the slotted hole of seting up at the infiltration device 14 top, make the water at the top in first sedimentation tank 1 get into inside second sedimentation tank 16 along connecting pipe 15 through the effect of siphon, sewage in second sedimentation tank 16 can carry out secondary sedimentation this moment, when the water is gone into in the second sedimentation tank 16, through the first swash plate 19 in the second sedimentation tank 16 make the sewage surface of water follow first swash plate 19 lateral wall landing to second muddy hopper 18 in the time of first swash plate 19 when rising, the time when handling sewage has been reduced, the problem that the suction pump absorbs impurity together increases sedimentation time when depositing to sewage.

Further, as shown in fig. 2 and fig. 4, the top of the second sedimentation tank 16 is fixedly connected with a plurality of groups of first fixing frames 2 in a ring shape; a first fixing seat 21 is fixedly connected to one end of the first fixing frame 2 far away from the second sedimentation tank 16; the top of the first fixing seat 21 is fixedly connected with a first motor 22; the output end of the first motor 22 penetrates through the first fixing seat 21 and is in rotary connection with the first fixing seat 21; the output end of the first fixed seat 21 is fixedly connected with a first rotating roller 23; the surface of the first rotating roller 23 is annularly provided and fixedly connected with a plurality of groups of second inclined plates 24; the second sloping plate 24 is arranged obliquely; when the sewage treatment device works, water in the first sedimentation tank 1 flows into the second sedimentation tank 16 to carry out secondary sedimentation, if secondary sedimentation sewage contains substances which are difficult to settle, at the moment, flocculant is added into the second sedimentation tank 16, sewage which needs secondary sedimentation is mixed with flocculant and then is settled, at the moment, the first motor 22 is started to work by starting the first motor 22, the first motor 22 slowly rotates, the second inclined plate 24 positioned on the first rotating roller 23 rotates under the rotation of the first rotating roller 23 when the first motor 22 rotates, and because the second inclined plate 24 is arranged obliquely, when particles in the sewage are contacted with the second inclined plate 24, the particles are downwards deposited along the second inclined plate 24, so that the mixing time of the sewage in the second sedimentation tank 16 and the flocculant is reduced, and the sewage treatment time in the second sedimentation tank 16 is reduced.

Further, as shown in fig. 1 and fig. 5, the sidewall of the second sedimentation tank 16 is fixedly connected with a medicine mixing tank 3; the bottom of the medicine mixing box 3 is hinged with a baffle plate 31; the side wall of the second sloping plate 24 is fixedly connected with a connecting rod 32; the connecting rod 32 is L-shaped; the top of the connecting rod 32 is fixedly connected with an extrusion block 33; the top of the extrusion block 33 is provided with an arc surface; the top of the extrusion block 33 is contacted with the bottom of the baffle 31; during operation, through adding the flocculating agent in the medicine mixing box 3 in advance, when sewage needs to mix the flocculating agent, make first motor 22 output rotate through opening first motor 22, this moment the connecting rod 32 of second swash plate 24 lateral wall can rotate with extrusion piece 33, extrusion piece 33 can keep away from baffle 31 under the rotation of first rotating roll 23, baffle 31 can open under gravity and make the flocculating agent in the medicine mixing box 3 mix into water, through the stirring of second swash plate 24, make flocculating agent in the medicine mixing box 3 carry out the flash mixing with sewage, when stopping first motor 22 during operation, connecting rod 32 and extrusion piece 33 of second swash plate 24 lateral wall can contact with baffle 31 and jack up baffle 31, make baffle 31 reset, can make second swash plate 24 produce certain vibrations through the contact of extrusion piece 33 and baffle 31, the time that sewage and flocculating agent mix has been reduced, the sedimentation after the flocculation is attached to the problem on second swash plate 24.

Further, as shown in fig. 1 and fig. 3, the top of the first sedimentation tank 1 is provided with a second fixing frame 4 in an annular array; a second fixing seat 41 is fixedly connected to one end, far away from the first sedimentation tank 1, of the second fixing frame 4; a second motor 42 is fixedly connected to the top of the second fixing seat 41; the output end of the second motor 42 penetrates through the second fixing seat 41 and is in rotary connection with the second fixing seat 41; the output end of the second motor 42 is fixedly connected with a second rotating roller 43; the end of the second rotating roller 43 far away from the second fixing seat 41 is provided with a scraping plate 44 in a ring shape; the scraping plate 44 is contacted with the inner side wall of the first mud leakage hopper 12; during operation, when sewage is poured into the first sedimentation tank 1 to carry out primary sedimentation, more sludge can be settled in the first sludge hopper 12 under the influence of gravity, when sediment in the first sedimentation tank 1 is treated, the second motor 42 on the second fixing seat 41 is turned on, so that the second motor 42 drives the second rotating roller 43 to rotate, and under the rotation of the second rotating roller 43, the scraping plate 44 can clean the sediment in the second sludge hopper 18, so that the sediment is discharged through the sludge discharge opening 192, the time for cleaning the sediment accumulated in the first sedimentation tank 1 is reduced, and the time for increasing the sewage treatment cycle by accumulating the sediment is reduced.

Further, as shown in fig. 4 and fig. 5, the side wall of the second inclined plate 24 is symmetrically provided with a plurality of through holes 5; the inner side wall of the through hole 5 is fixedly connected with a dispersion column 51; the dispersion columns 51 are arranged in a cross manner, and the dispersion columns 51 are positioned in the middle of the through holes 5; when the sewage treatment device is in operation, when the flocculant and the sewage are mixed through the rotation of the second inclined plate 24, water flows through the through holes 5 and the dispersing columns 51 on the second inclined plate 24, and when the second inclined plate 24 is rotated, the water flows through the through holes 5 to be dispersed under the action of the dispersing columns 51, so that when the sewage is mixed with the flocculant, the water flow diffusion surface is increased, the time for mixing the flocculant is shortened, and the fusion effect between the sewage and the flocculant is improved.

Further, as shown in fig. 6, a clamping block 6 is annularly disposed on the side wall of the water outlet 191; the clamping block 6 is positioned in the second sedimentation tank 16; one end of the water outlet 191, which is positioned in the second sedimentation tank 16, is provided with an oil filter screen 61; a clamping ring 62 is hinged to the side wall of the oil filter screen 61; the clamping ring 62 is contacted with the clamping block 6; in operation, when the secondary sedimentation sewage is discharged through the water outlet 191, the oil filter screen 61 positioned on the water outlet 191 can adsorb oily substances in the water discharged from the water outlet 191, so that oily substances in the sewage during subsequent treatment are reduced, the time required by the subsequent treatment of the secondary sedimentation sewage is reduced, and the oily substances in the discharged water are reduced.

Further, as shown in fig. 5, a groove 7 is formed at the bottom of the baffle 31; a graphite block 71 is fixedly connected in the groove 7; the graphite block 71 is in contact with the extrusion block 33; in operation, when the baffle 31 is opened by rotating the extrusion block 33, the friction force of the extrusion block 33 during rotation is reduced by the graphite block 71 at the bottom of the baffle 31, and the smoothness of the extrusion block 33 during rotation is improved.

During operation, sewage to be treated is poured into the first sedimentation tank 1 through the water inlet 13, at the moment, sewage in the first sedimentation tank 1 can be subjected to primary sedimentation, sediment in the sewage can be deposited in the first mud leakage hopper 12 under the gravity, when water is slowly fed into the water inlet 13, water at the top in the first sedimentation tank 1 can contain less impurities, the water at the top in the first sedimentation tank 1 enters the second sedimentation tank 16 along the connecting pipe 15 through the action of siphonage through the slotted hole formed in the top of the water seepage device 14, at the moment, the sewage in the second sedimentation tank 16 can be subjected to secondary sedimentation, when the water is fed into the second sedimentation tank 16, the sewage water level is enabled to slide into the second mud leakage hopper 18 along the side wall of the first sloping plate 19 through the first sloping plate 19 when rising, The time for treating sewage is reduced, the problem that the water pump absorbs impurities together to increase the sedimentation time when the sewage is sedimented is solved, when the water in the first sedimentation tank 1 flows into the second sedimentation tank 16 to carry out secondary sedimentation, if the secondarily sedimented sewage contains substances which are difficult to sedimentation, at the moment, the sewage which needs secondary sedimentation is mixed with the flocculating agent to carry out sedimentation after adding the flocculating agent into the second sedimentation tank 16, at the moment, the first motor 22 is started to work, the first motor 22 slowly rotates, the second sloping plate 24 positioned on the first rotating roller 23 rotates under the rotation of the first rotating roller 23 when the first motor 22 rotates, Because the second inclined plate 24 is obliquely arranged, when particles in sewage are in contact with the second inclined plate 24, the particles are downwards deposited along the second inclined plate 24, so that the time for mixing the sewage in the second sedimentation tank 16 with flocculant is reduced, the time for treating the sewage in the second sedimentation tank 16 is reduced, by adding flocculant in the medicine mixing box 3 in advance, when the sewage needs to be mixed with flocculant, the output end of the first motor 22 is rotated by opening the first motor 22, at the moment, the connecting rod 32 on the side wall of the second inclined plate 24 and the extrusion block 33 rotate, the extrusion block 33 is far away from the baffle 31 under the rotation of the first rotating roller 23, the baffle 31 is opened under the gravity so that the flocculant in the medicine mixing box 3 is mixed into water, The flocculant in the medicine mixing box 3 is quickly mixed with sewage through the stirring of the second inclined plate 24, when the first motor 22 stops working, the connecting rod 32 and the extrusion block 33 on the side wall of the second inclined plate 24 can contact with the baffle 31 and jack up the baffle 31, the baffle 31 is reset, the second inclined plate 24 can generate certain vibration through the contact of the extrusion block 33 and the baffle 31, the mixing time of the sewage and the flocculant is reduced, the problem that flocculated sediment is attached to the second inclined plate 24 is reduced, when the sewage is poured into the first sedimentation tank 1 for primary sedimentation, more sludge can be settled in the first mud leakage hopper 12 under the influence of gravity, When sediment in the first sedimentation tank 1 is treated, the second motor 42 on the second fixing seat 41 is turned on, so that the second motor 42 drives the second rotating roller 43 to rotate, under the rotation of the second rotating roller 43, the scraping plate 44 can clean the sediment in the second mud hopper 18, the sediment is discharged through the mud discharge port 192, the sediment cleaning time for accumulating in the first sedimentation tank 1 is reduced, the sediment accumulation time for increasing the sewage treatment cycle is reduced, the flocculant is mixed with sewage through the rotation of the second inclined plate 24, the through holes 5 on the second inclined plate 24 and the dispersing columns 51 are used for rotating the second inclined plate 24, The water flows through the through holes 5 to disperse the water under the action of the dispersing column 51, so that when the sewage is mixed with the flocculating agent, the water flow diffusion surface is increased, the time for mixing the flocculating agent is reduced, the fusion effect between the sewage and the flocculating agent is increased, when the secondarily settled sewage is discharged through the water outlet 191, the oil filter screen 61 positioned on the water outlet 191 adsorbs oily substances in the water discharged from the water outlet 191, oily substances in the sewage are reduced when the sewage is subjected to subsequent treatment, the time required by the subsequent treatment of the secondarily settled sewage is reduced, oily substances in the discharged water are reduced, when the baffle 31 is opened through the rotation of the extrusion block 33, By the graphite blocks 71 at the bottom of the baffle 31, the friction force of the extrusion block 33 during rotation is reduced, and the smoothness of the extrusion block 33 during rotation is increased.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A water circulation device of a sedimentation tank, which comprises a first sedimentation tank (1); the method is characterized in that: a plurality of groups of first fixing rings (11) are fixedly connected to the side wall of the first sedimentation tank (1); the side wall of the first fixing ring (11) is annularly provided with a first supporting leg (111); the bottom of the first sedimentation tank (1) is fixedly connected with a first mud leakage bucket (12); a water inlet (13) is fixedly connected to the side wall of the first sedimentation tank (1); the water inlet (13) penetrates through the first sedimentation tank (1) and extends into the first sedimentation tank (1); the side wall of the first sedimentation tank (1) is fixedly connected with a connecting pipe (15); the connecting pipe (15) penetrates through the first sedimentation tank (1) and extends into the first sedimentation tank (1); one end of the connecting pipe (15) positioned in the first sedimentation tank (1) is fixedly connected with a water seepage device (14); one end of the connecting pipe (15) far away from the first sedimentation tank (1) is fixedly connected with a second sedimentation tank (16); the connecting pipe (15) penetrates through the second sedimentation tank (16) and extends into the second sedimentation tank (16); a plurality of groups of second fixing rings (17) are fixedly connected to the side wall of the second sedimentation tank (16); the side wall of the second fixing ring (17) is annularly provided with a second supporting leg (171); the bottom of the second sedimentation tank (16) is fixedly connected with a second mud leakage bucket (18); the inner side wall of the second sedimentation tank (16) is obliquely provided and fixedly connected with a plurality of groups of first sloping plates (19); a water outlet (191) is fixedly connected to the side wall of the second sedimentation tank (16); the water outlet (191) penetrates through the second sedimentation tank (16) and extends into the second sedimentation tank (16); mud discharge openings (192) are arranged at the bottoms of the first mud leakage hopper (12) and the second mud leakage hopper (18).

2. The water circulation device of a sedimentation tank of claim 1, wherein: a plurality of groups of first fixing frames (2) are fixedly connected to the top of the second sedimentation tank (16) in an annular shape; one end of the first fixing frame (2) far away from the second sedimentation tank (16) is fixedly connected with a first fixing seat (21); the top of the first fixing seat (21) is fixedly connected with a first motor (22); the output end of the first motor (22) penetrates through the first fixing seat (21) and is in rotary connection with the first fixing seat (21); the output end of the first fixing seat (21) is fixedly connected with a first rotating roller (23); a plurality of groups of second inclined plates (24) are fixedly connected to the surface of the first rotating roller (23) in an annular shape; the second sloping plate (24) is arranged obliquely.

3. A water circulation device of a sedimentation tank according to claim 2, characterized in that: the side wall of the second sedimentation tank (16) is fixedly connected with a medicine mixing box (3); a baffle (31) is hinged at the bottom of the medicine mixing box (3); the side wall of the second inclined plate (24) is fixedly connected with a connecting rod (32); the connecting rod (32) is L-shaped; an extrusion block (33) is fixedly connected to the top of the connecting rod (32); the top of the extrusion block (33) is provided with an arc surface; the top of the extrusion block (33) is contacted with the bottom of the baffle plate (31).

4. The water circulation device of a sedimentation tank of claim 1, wherein: the top of the first sedimentation tank (1) is provided with a second fixing frame (4) in an annular array; one end of the second fixing frame (4) far away from the first sedimentation tank (1) is fixedly connected with a second fixing seat (41); a second motor (42) is fixedly connected to the top of the second fixing seat (41); the output end of the second motor (42) penetrates through the second fixing seat (41) and is in rotary connection with the second fixing seat (41); the output end of the second motor (42) is fixedly connected with a second rotating roller (43); one end of the second rotating roller (43) far away from the second fixing seat (41) is provided with a scraping plate (44) in an annular shape; the scraping plate (44) is contacted with the inner side wall of the first mud leakage hopper (12).

5. A water circulation device of a sedimentation tank according to claim 2, characterized in that: the side wall of the second inclined plate (24) is symmetrically provided with a plurality of through holes (5); the inner side wall of the through hole (5) is fixedly connected with a dispersion column (51); the dispersing columns (51) are arranged in a cross manner, and the dispersing columns (51) are located in the middle of the through holes (5).

6. The water circulation device of a sedimentation tank of claim 1, wherein: the side wall of the water outlet (191) is annularly provided with a clamping block (6); the clamping block (6) is positioned in the second sedimentation tank (16); one end of the water outlet (191) positioned in the second sedimentation tank (16) is provided with an oil filter screen (61); a clamping ring (62) is hinged to the side wall of the oil filter screen (61); the clamping ring (62) is contacted with the clamping block (6).

7. A water circulation device of a sedimentation tank according to claim 3, characterized in that: a groove (7) is formed in the bottom of the baffle (31); graphite blocks (71) are fixedly connected in the grooves (7); the graphite block (71) is in contact with the extrusion block (33).