CN209778591U

CN209778591U - Pig raising sewage treatment device

Info

Publication number: CN209778591U
Application number: CN201920399479.9U
Authority: CN
Inventors: 屠扬军
Original assignee: Shaoxing Boshui Environmental Technology Co Ltd
Current assignee: Shaoxing Boshui Environmental Technology Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2019-12-13
Anticipated expiration: 2029-03-27

Abstract

The utility model discloses a pig raising sewage treatment plant, include anaerobism pond, oxygen deficiency pond, good oxygen pond and the sedimentation tank that communicates in proper order according to the sewage flow direction. The utility model has the advantages that: through setting up the connecting axle, go out the liquid hole, first rotary joint and pipe, when making sewage enter into the sedimentation tank of this device, the flocculating agent can be followed the flocculating agent and put in the incasement and pass through the pipe in proper order, inside first rotary joint and the connecting axle, finally enter into the sewage in stirring chamber from going out the liquid hole, then people are through opening the motor, the motor drives the action wheel and rotates, the action wheel passes through the V belt and drives from the driving wheel rotation, it rotates to drive mud suction pipe and connecting axle from the driving wheel, the connecting axle drives the paddle and stirs, make the flocculating agent and the solid particle intensive mixing in the sewage, thereby make the large granule can deposit in stirring chamber bottom surface or the mud collecting tank, make this device can fully remove the mud.

Description

Pig raising sewage treatment device

Technical Field

The utility model relates to a pig raising sewage treatment plant belongs to sewage treatment technical field.

Background

In recent years, the large-scale and intensive livestock and poultry breeding industry in China is developed vigorously, the modern closed large-scale breeding technology promotes the livestock and poultry breeding industry in cities in China to be developed to be high-quality and high-efficiency, the discharge amount of livestock and poultry breeding wastewater is increased year by year, and serious environmental pollution such as soil, water source, air and the like is caused to regions.

A sewage treatment apparatus has been proposed in the pig farm sewage treatment apparatus of publication No. CN204625435U, but the conventional pig farm sewage treatment apparatus cannot sufficiently remove sludge in sewage in a sedimentation tank when sludge is sedimented.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pig-raising sewage treatment device which can effectively remove the sludge in order to solve the problems.

The utility model realizes the above purpose by the following technical proposal, a pig-raising sewage treatment device comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank which are sequentially communicated according to the sewage flow direction, wherein a water outlet of the aerobic tank is communicated with a water inlet of the anoxic tank through a return pipe, the sedimentation tank is communicated with a water inlet of the anoxic tank through a first return pipe, the sedimentation tank is communicated with a water inlet of the anaerobic tank through a second return pipe, a plurality of baffles are arranged in the anaerobic tank along the vertical water flow direction to divide the anaerobic tank into a plurality of relatively independent chambers, a baffle plate parallel to the baffles is arranged in each chamber, the bottom of the baffle plate is not contacted with the bottom of the anaerobic tank, a stirring chamber is arranged in the sedimentation tank, the bottom surface of the stirring chamber is conical, a mud collecting tank is communicated with the lower side of the stirring chamber, a baffle plate is arranged on the bottom surface of the mud collecting tank, the stirring cavity is internally provided with a connecting shaft which is of a hollow structure, the side wall of the connecting shaft is provided with a plurality of liquid outlet holes which are vertically arranged and communicated with the inside, the upper end of the connecting shaft is communicated with a conduit through a first rotary joint, the conduit is connected with a flocculating agent throwing box, a plurality of blades which are obliquely arranged are distributed on the outer side of the connecting shaft in an annular array manner, the paddle is contacted with the bottom surface and the side wall of the stirring cavity, the lower end of the connecting shaft is connected with a mud suction pipe, the side wall of the mud suction pipe is provided with a mud suction port, the lower end of the mud suction pipe penetrates through the partition plate and is communicated with a second rotary joint, the second rotating joint is communicated with the second mud returning pipe, a motor is arranged in the placing cavity, a driving wheel is sleeved on the output end of the motor, the mud suction pipe is sleeved with a driven wheel at one end in the placing cavity, and the driving wheel is connected with the driven wheel through a triangular belt.

As a further setting of the utility model, the top surface in stirring chamber is equipped with the top cap, the through-hole has been seted up to the top cap, first rotary joint establishes in the through-hole.

As a further setting of the utility model, set up a plurality of logical grooves that are used for the water to flow on the paddle, it is a plurality of it is array distribution to lead to the groove on the blade surface of paddle.

As a further setting of the utility model, be equipped with a plurality of water conservancy diversion pieces on the paddle, it is a plurality of water conservancy diversion piece and a plurality of logical groove arrange in turn each other.

As a further configuration of the present invention, the flow guiding block is triangular prism-shaped.

As a further arrangement of the utility model, one side of the mud suction port is connected with a scraper, the scraper contacts with the side wall of the mud collecting pool and the top surface of the clapboard.

As a further setting of the utility model, the contained angle between paddle and the vertical face is 15 degrees to 45 degrees.

As a further arrangement of the utility model, the lower part of the baffle plate is bent towards the water flow direction.

As a further arrangement of the utility model, the mud sucking pipe is provided with an oil seal positioned in the clapboard.

As a further arrangement of the utility model, the second mud returning pipe is provided with a power pump.

Compared with the prior art, the beneficial effects of the utility model are that:

The utility model discloses a set up the connecting axle, go out the liquid hole, first rotary joint and pipe, when making sewage enter into the sedimentation tank of this device, the flocculating agent can be followed the flocculating agent and put in the incasement in proper order through the pipe, inside first rotary joint and the connecting axle, finally enter into the sewage in stirring chamber from going out the liquid hole, then people are through opening the motor, the motor drives the action wheel and rotates, the action wheel drives from the driving wheel rotation through the V-belt, it rotates to drive mud sucking pipe and connecting axle from the driving wheel, the connecting axle drives the paddle and stirs, make the flocculating agent and the solid particle intensive mixing in the sewage, thereby make the large granule can deposit in stirring chamber bottom surface or the mud collecting tank, the effect that solid particle and flocculating agent mix in the sewage has been improved, make this device can fully remove.

Drawings

FIG. 1 is a schematic structural view of a pig-raising sewage treatment plant of the present invention;

FIG. 2 is a schematic structural view of a sedimentation tank in the pig-raising sewage treatment device of the present invention;

FIG. 3 is a perspective view of the connecting shaft and the paddle in the swine wastewater treatment device of the present invention.

Reference numerals: 1. an anaerobic tank; 2. an anoxic tank; 3. an aerobic tank; 4. a sedimentation tank; 5. a water return pipe; 6. a through groove; 7. a baffle plate; 8. a baffle plate; 9. a first mud return pipe; 10. a second return pipe; 11. a stirring chamber; 12. a top cover; 13. a mud collecting pool; 14. a motor; 15. a driving wheel; 16. a driven wheel; 17. a V-belt; 18. a second rotary joint; 19. a flow guide block; 20. a power pump; 21. a partition plate; 22. a mud suction pipe; 23. a sludge suction port; 24. a squeegee; 25. a connecting shaft; 26. a first rotary joint; 27. a conduit; 28. a liquid outlet hole; 29. a blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a pig raising sewage treatment device comprises an anaerobic tank 1, an anoxic tank 2, an aerobic tank 3 and a sedimentation tank 4 which are sequentially communicated according to a sewage flow direction, wherein a water outlet of the aerobic tank 3 is communicated with a water inlet of the anoxic tank 2 through a return pipe 5, the sedimentation tank 4 is communicated with a water inlet of the anoxic tank 2 through a first return pipe 9, the sedimentation tank 4 is communicated with a water inlet of the anaerobic tank 1 through a second return pipe 10, a plurality of baffles 7 are arranged in the anaerobic tank 1 in a direction perpendicular to the water flow direction to divide the anaerobic tank 1 into a plurality of relatively independent chambers, a baffle plate 8 parallel to the baffles 7 is arranged in each chamber, the bottom of the baffle plate 8 is not in contact with the bottom of the anaerobic tank 1, the lower part of the baffle plate 8 is bent towards the water flow direction, a stirring chamber 11 is arranged in the sedimentation tank 4, the bottom of the stirring chamber 11 is conical, a mud collecting tank 13 is communicated with, a placing cavity is formed in the sedimentation tank 4 through a partition plate 21, a connecting shaft 25 is arranged in the stirring cavity 11, the connecting shaft 25 is of a hollow structure, a plurality of vertically arranged liquid outlet holes 28 communicated with the inside are formed in the side wall of the connecting shaft 25, the upper end of the connecting shaft 25 is communicated with a guide pipe 27 through a first rotary joint 26, the guide pipe 27 is connected with a flocculating agent putting box, a plurality of obliquely arranged paddles 29 are distributed on the outer side of the connecting shaft 25 in an annular array manner, the paddles 29 are contacted with the bottom surface and the side wall of the stirring cavity 11, the included angle between each paddle 29 and the vertical surface is 15-45 degrees, the lower end of the connecting shaft 25 is connected with a sludge suction pipe 22, a sludge suction port 23 is formed in the side wall of the sludge suction pipe 22, the lower end of the sludge suction pipe 22 penetrates through the partition plate 21 and is communicated with a second rotary joint 18, the second rotary joint 18 is communicated with a second sludge return pipe 10, and, therefore, the details are not repeated, the second mud returning pipe 10 is provided with the power pump 20, the placing cavity is provided with the motor 14, the output end of the motor 14 is sleeved with the driving wheel 15, one end of the mud sucking pipe 22, which is positioned in the placing cavity, is sleeved with the driven wheel 16, and the driving wheel 15 is connected with the driven wheel 16 through the triangular belt 17.

After sewage enters an anaerobic tank 1, microorganisms in the anaerobic tank 1 fully hydrolyze macromolecular organic matters into micromolecular organic matters, organic nitrogen is converted into ammonia nitrogen, energy released by hydrolysis is supplied to phosphorus-accumulating bacteria to release phosphorus, the sewage treated by the anaerobic tank 1 flows to an anoxic tank 2, the micromolecular organic matters are used as carbon sources, nitrate nitrogen and nitrite nitrogen in a reflux mixed solution obtained by subsequent aerobic reaction are reduced into nitrogen by denitrifying bacteria and discharged from a sewage liquid phase to achieve the aim of denitrification, the sewage treated by the anaerobic tank 1 flows to an aerobic tank 3, the ammonia nitrogen is generated into nitrite nitrogen and nitrate nitrogen by nitrifying bacteria under aerobic conditions, meanwhile, most organic pollutants are degraded into carbon dioxide and water by the aerobic microorganisms, the phosphorus-accumulating bacteria after phosphorus release absorb phosphorus and store in the form of polyphosphate, and a part of the sewage treated by the aerobic tank 3 flows back to the anoxic tank 2, one part of the sewage flows to a sedimentation tank 4, the sewage treated by an aerobic tank 3 flows to the sedimentation tank 4 for solid-liquid separation, the supernatant is discharged to a receiving water body, the partial precipitated sludge flows back to an anaerobic tank 1 and an anoxic tank 2, the residual sludge is discharged to a sludge treatment system, an independent chamber is divided into a downward flow chamber and an upward flow chamber by a baffle plate 8 according to the water flow direction, the upward flow chamber is wider than the downward flow chamber, so that the sludge is conveniently gathered to form granular sludge, the baffle plate 8 is bent towards the water flow direction, so that the sludge and water are fully contained, a mixing and stirring device is not required to be additionally arranged, the energy consumption is reduced, after the sewage enters the sedimentation tank 4, the flocculant can sequentially pass through a guide pipe 27, a first rotary joint 26 and a connecting shaft 25 from a flocculant throwing box and finally enters the sewage in the stirring chamber 11 from a liquid outlet 28, and then a motor 14 is started, the motor 14 drives the action wheel 15 and rotates, the action wheel 15 drives from the driving wheel 16 to rotate through the V-belt 17, from driving wheel 16 drive sludge suction pipe 22 and connecting axle 25 rotation, connecting axle 25 drives paddle 29 and stirs, make the solid particle intensive mixing in flocculating agent and the sewage and because its self gravity takes place to deposit the phenomenon and falls into stirring chamber 11 bottom surface and gather in mud pond 13, people open power pump 20, sludge suction opening 23 rotates the mud that the in-process extraction gathers in mud pond 13 and leaves, simultaneously rotate the in-process at paddle 29, because paddle 29 slope sets up, paddle 29 can scrape down and have certain centripetal thrust to it with the deposit of adhering to on stirring chamber 11 bottom surface and lateral wall, thereby make the deposit can fall into gathering in mud pond 13, make sludge and the particle impurity in this device can fully remove sewage.

The top surface of stirring chamber 11 is equipped with top cap 12, and top cap 12 has seted up the through-hole, and first rotary joint 26 establishes in the through-hole.

Through setting up top cap 12 for sedimentation tank 4 can avoid having external impurity to enter into stirring chamber 11 at the in-process of getting rid of mud and fixed granule in the sewage, through establishing first rotary joint 26 in top cap 12's through-hole, can play better supporting effect to first rotary joint 26, makes connecting axle 25 possess better stability at the rotation in-process.

the blades 29 are provided with a plurality of through grooves 6 for water body flowing, and the through grooves 6 are distributed on the blade surfaces of the blades 29 in an array manner.

Through setting up a plurality of logical grooves 6 for paddle 29 can keep the water to flow when stirring sewage and flocculating agent, makes sewage and flocculating agent mixing effect better.

The blades 29 are provided with a plurality of flow guide blocks 19, the flow guide blocks 19 are triangular prisms, and the flow guide blocks 19 and the through grooves 6 are alternately arranged.

through the guide block 19, the paddle 29 can rotate more smoothly when rotating and stirring along with the connecting shaft 25, and the paddle is prevented from being subjected to too much resistance in the stirring process.

One side of the mud suction port 23 is connected with a scraper 24, and the scraper 24 is contacted with the side wall of the mud collecting tank 13 and the top surface of the partition plate 21.

Through setting up scraper blade 24 for suction pipe 22 can drive scraper blade 24 and scrape the sediment mud that gathers mud pond 13 lateral wall and baffle 21 top surface when rotating, makes mud and sediment can be taken out from suction opening 23 completely.

The mud suction pipe 22 is sleeved with an oil seal positioned in the partition plate 21.

Through setting up the oil blanket for mud suction pipe 22 can keep comparatively smooth and easy rotation, also can prevent to appear the gap between mud suction pipe 22 and the baffle 21, avoids it to take place the condition of leaking rotating the in-process.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pig raising sewage treatment plant, includes according to anaerobic tank (1), oxygen deficiency pond (2), good oxygen pond (3) and sedimentation tank (4) that the sewage flow direction communicates in proper order, its characterized in that: the water outlet of the aerobic tank (3) is communicated with the water inlet of the anoxic tank (2) through a return pipe (5), the sedimentation tank (4) is communicated with the water inlet of the anoxic tank (2) through a first return pipe (9), the sedimentation tank (4) is communicated with the water inlet of the anaerobic tank (1) through a second return pipe (10), a plurality of baffles (7) are arranged in the anaerobic tank (1) in a direction perpendicular to the water flow to divide the anaerobic tank (1) into a plurality of relatively independent chambers, each chamber is internally provided with a baffle plate (8) parallel to the baffles (7), the bottom of each baffle plate (8) is not in contact with the bottom of the anaerobic tank (1), a stirring cavity (11) is arranged in the sedimentation tank (4), the bottom surface of the stirring cavity (11) is conical, a mud collecting tank (13) is communicated with the lower side of the stirring cavity (11), and a partition plate (21) is arranged on the bottom surface of the mud collecting tank (13, a placing cavity is formed in the sedimentation tank (4) through a partition plate (21), a connecting shaft (25) is arranged in the stirring cavity (11), the connecting shaft (25) is of a hollow structure, a plurality of vertically-arranged liquid outlet holes (28) communicated with the inside are formed in the side wall of the connecting shaft (25), the upper end of the connecting shaft (25) is communicated with a guide pipe (27) through a first rotary joint (26), the guide pipe (27) is connected with a flocculating agent throwing box, a plurality of obliquely-arranged blades (29) are distributed in an annular array on the outer side of the connecting shaft (25), the blades (29) are contacted with the bottom surface and the side wall of the stirring cavity (11), the lower end of the connecting shaft (25) is connected with a sludge suction pipe (22), a sludge suction port (23) is formed in the side wall of the sludge suction pipe (22), and a second rotary joint (18) is communicated with the lower end of the, second rotary joint (18) and second return mud pipe (10) and switch on, it is equipped with motor (14) to place the intracavity, the cover is equipped with action wheel (15) on the output of motor (14), suction dredge (22) are located to place one of intracavity and are served the cover and be equipped with from driving wheel (16), action wheel (15) and follow driving wheel (16) are connected through V belt (17).

2. The swine wastewater treatment device according to claim 1, wherein: the top surface of stirring chamber (11) is equipped with top cap (12), the through-hole has been seted up in top cap (12), first rotary joint (26) are established in the through-hole.

3. The swine wastewater treatment device according to claim 1, wherein: a plurality of through grooves (6) used for water flowing are formed in the paddle (29), and the through grooves (6) are distributed in an array mode on the blade surface of the paddle (29).

4. The swine wastewater treatment device according to claim 3, wherein: the blade (29) is provided with a plurality of flow guide blocks (19), and the flow guide blocks (19) and the through grooves (6) are alternately arranged.

5. The swine wastewater treatment device according to claim 4, wherein: the flow guide block (19) is in a triangular prism shape.

6. The swine wastewater treatment device according to claim 1, wherein: one side of the sludge suction port (23) is connected with a scraper (24), and the scraper (24) is contacted with the side wall of the sludge gathering pool (13) and the top surface of the partition plate (21).

7. The swine wastewater treatment device according to claim 1, wherein: the included angle between the paddle (29) and the vertical surface is 15 degrees to 45 degrees.

8. The swine wastewater treatment device according to claim 1, wherein: the lower part of the baffle plate (8) is bent towards the water flow direction.

9. The swine wastewater treatment device according to claim 1, wherein: the mud suction pipe (22) is sleeved with an oil seal positioned in the partition plate (21).

10. The swine wastewater treatment device according to claim 1, wherein: and a power pump (20) is arranged on the second sludge return pipe (10).