CN212833322U

CN212833322U - Be directed at rural sewage treatment device

Info

Publication number: CN212833322U
Application number: CN202021401790.1U
Authority: CN
Inventors: 罗国兵
Original assignee: Xiamen Kaichengtong Machinery Equipment Co ltd
Current assignee: Xiamen Kaichengtong Machinery Equipment Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-30
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a to rural sewage treatment device relates to sewage treatment technical field, for solving the lower problem of the treatment quality of current equipment to agricultural sewage. The utility model discloses a sewage treatment device, including aeration tank, activated sludge return pipe, filter tank, diversion conduit, water pump, water diversion conduit, and flange joint is passed through to the one end of diversion conduit, and the one end of diversion conduit passes through flange joint with the center tube.

Description

Be directed at rural sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment device for rural area.

Background

The agricultural sewage is sewage or liquid substance discharged in the processes of crop cultivation, livestock breeding, agricultural product processing and the like and influencing human health and environmental quality. The agricultural sewage is mainly sourced from farmland runoff, farm sewage and agricultural product processing sewage. The sewage contains various pathogens, suspended matters, fertilizers, pesticides, insoluble solids, salts and the like. The agricultural sewage is large in quantity and wide in influence range. Nutrient elements such as nitrogen, phosphorus and the like in the sewage enter water areas such as rivers, lakes, internal seas and the like to cause eutrophication; pesticides, pathogens and other toxic substances can pollute drinking water sources and harm human health; causing large-scale soil pollution and destroying the balance of the ecological system.

However, the existing equipment has low treatment quality on agricultural sewage, so the existing requirement is not met, and the rural sewage treatment equipment is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a to rural sewage treatment device to solve the lower problem of the treatment quality of the current equipment to agricultural sewage that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rural sewage treatment device comprises a deslagging box, an aeration tank, a sedimentation tank, a filter tank, a contact disinfection tank and a clean water tank, wherein a grid is arranged inside the deslagging box, the aeration pipe is arranged at the bottom end inside the aeration tank, an air inlet pipe is arranged at one end of the aeration pipe, an activated sludge return pipe is arranged at the bottom of the sedimentation tank, one end of the activated sludge return pipe is embedded into the aeration tank, a filter cartridge is arranged inside the filter tank, the filter cartridge comprises a bottom plate and a top plate, a first filter membrane and a second filter membrane are arranged between the bottom plate and the top plate, the second filter membrane is positioned inside the first filter membrane, a central pipe is arranged inside the second filter membrane, a plurality of water inlet holes are formed in two sides of the central pipe, a water pump is arranged on one side of the upper end of the contact disinfection tank, and water guide pipes are arranged on two, and the one end and the center tube of leading water pipe pass through flange joint, and the other end embedding of leading water pipe contacts the inside in disinfection pond, the motor is installed to the centre of contact disinfection pond upper end, the puddler is installed to the lower extreme of motor, and the puddler is located the inside in contact disinfection pond, and the motor passes through the coupling joint with the puddler.

Preferably, a liquid inlet inclined pipe is arranged between the deslagging box and the aeration tank, a first overflowing weir crest is arranged between the aeration tank and the sedimentation tank, a second overflowing weir crest is arranged between the sedimentation tank and the filtering tank, and a third overflowing weir crest is arranged between the contact disinfection tank and the clean water tank.

Preferably, a water outlet is arranged at one side of the outside of the clean water tank.

Preferably, a medicament adding port is formed in one side of the upper end of the contact disinfection tank.

Preferably, the contact disinfection pond is connected with the motor through screws, and the contact disinfection pond is connected with the water pump through screws.

Preferably, one side of the activated sludge return pipe is provided with a residual sludge drain pipe.

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

1. the utility model discloses a slagging-off case holds back the large granule impurity in to agricultural sewage, and the aeration pipe lets in the air to the inside sewage of aeration tank, makes aerobic microorganism breed to cultivate the activated sludge who forms the very strong adsorption capacity of utensil, and inside the activated sludge of sedimentation tank got into the aeration tank through the backflow of activated sludge reflux, became mixed liquid with sewage, the aeration pipe fully aerates mixed liquid, makes activated sludge and waste water fully contact. Soluble organic pollutants in the sewage are adsorbed by activated sludge and decomposed by microbial communities, so that the sewage is purified, a central pipe inside a filtering tank generates negative pressure under the action of a water pump to extract the sewage, the sewage enters the inside of a contact disinfection tank after being filtered by small particle impurities in the water again through a first filtering membrane and a second filtering membrane, a disinfectant is added through a medicament adding port, a stirring rod enables the sewage and the disinfectant to be fully mixed to realize the disinfection treatment of the sewage, and finally, clear liquid enters the inside of a clean water tank and can be discharged through a water outlet.

2. The utility model discloses a continuous processing of sewage is accomplished to a plurality of weir mouths that overflow, replaces the elevator pump to promote sewage, has reduced the running cost, makes the whole device maintenance more convenient.

Drawings

FIG. 1 is a schematic structural view of a rural sewage treatment facility of the present invention;

fig. 2 is a schematic structural view of the filter cartridge of the present invention;

fig. 3 is a schematic structural view of the deslagging box of the utility model.

In the figure: 1. a deslagging box; 2. an aeration tank; 3. a sedimentation tank; 4. a filtration tank; 5. a contact disinfection tank; 6. a clean water tank; 7. a grid; 8. an aeration pipe; 9. an air inlet pipe; 10. an activated sludge return pipe; 11. surplus sludge calandria; 12. a filter cartridge; 13. a base plate; 14. a top plate; 15. a first filter membrane; 16. a second filter membrane; 17. a central tube; 18. a water inlet hole; 19. a water pump; 20. a water conduit; 21. a motor; 22. a stirring rod; 23. liquid inlet inclined pipe; 24. a first weir crest; 25. a second overflow weir crest; 26. a third overflow weir crest; 27. a water outlet; 28. a medicament feeding port.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a sewage treatment device for rural areas comprises a deslagging box 1, an aeration tank 2, a sedimentation tank 3, a filter tank 4, a contact disinfection tank 5 and a clean water tank 6, wherein a grating 7 is arranged inside the deslagging box 1, large-particle impurities in agricultural sewage are intercepted through the grating 7, an aeration pipe 8 is arranged at the bottom end inside the aeration tank 2, the aeration pipe 8 is used for fully aerating mixed liquid to ensure that the activated sludge is fully contacted with the wastewater, soluble organic pollutants in the sewage are adsorbed by the activated sludge and are decomposed by microbial organisms, so that the sewage is purified, an air inlet pipe 9 is arranged at one end of the aeration pipe 8, the aeration pipe 8 is used for introducing air into the sewage inside the aeration tank 2 to ensure that aerobic microbial propagation culture forms the activated sludge with strong adsorption capacity, an activated sludge return pipe 10 is arranged at the bottom of the sedimentation tank 3, one end of the activated sludge return pipe 10 is embedded into the aeration tank 2, activated sludge in the sedimentation tank 3 flows back to the interior of the aeration tank 2 through an activated sludge return pipe 10 to become mixed liquid with sewage, a filter cartridge 12 is arranged in the filter tank 4, the filter cartridge 12 comprises a bottom plate 13 and a top plate 14, a first filter membrane 15 and a second filter membrane 16 are arranged between the bottom plate 13 and the top plate 14, the second filter membrane 16 is positioned in the first filter membrane 15 to filter small-particle impurities in water, a central pipe 17 is arranged in the second filter membrane 16, a plurality of water inlet holes 18 are arranged on both sides of the central pipe 17, a water pump 19 is arranged on one side of the upper end of the contact disinfection tank 5, water guide pipes 20 are arranged on both sides of the water pump 19, one end of each water guide pipe 20 is connected with the central pipe 17 through a flange, the other end of each water guide pipe 20 is embedded in the contact disinfection tank 5, a motor 21 is arranged in the middle of, and puddler 22 is located the inside of contact disinfection pond 5, and motor 21 passes through the coupling joint with puddler 22, and motor 21 work drives puddler 22 and rotates and stir, makes sewage and disinfectant intensive mixing realize the sterile processing to sewage.

Further, be provided with feed liquor pipe chute 23 between slagging box 1 and aeration tank 2, be provided with the first weir crest 24 that overflows between aeration tank 2 and the sedimentation tank 3, be provided with the second between sedimentation tank 3 and the filtering ponds 4 and overflow weir crest 25, be provided with the third between contact disinfection pond 5 and the clean water basin 6 and overflow weir crest 26, reduced the running cost, it is more convenient to make the overall device maintenance.

Further, a water outlet 27 is arranged at one side of the outside of the clean water tank 6, and finally, the treated water body is discharged through the water outlet 27.

Further, a medicament adding port 28 is formed in one side of the upper end of the contact disinfection tank 5, and a disinfectant can be added through the medicament adding port 28 to disinfect sewage.

Further, the contact disinfection tank 5 is connected with the motor 21 through screws, the contact disinfection tank 5 is connected with the water pump 19 through screws, and the connection mode is simple and is beneficial to maintenance.

Further, a surplus sludge drain pipe 11 is installed at one side of the activated sludge return pipe 10, and surplus sludge can be periodically discharged through the surplus sludge drain pipe 11.

The working principle is as follows: when in use, the agricultural sewage enters the inside of the deslagging box 1, large-particle impurities in the agricultural sewage are intercepted through the grating 7, the primarily filtered sewage enters the inside of the aeration tank 2 through the liquid inlet inclined pipe 23, the aeration pipe 8 introduces air into the sewage in the aeration tank 2, aerobic microorganisms are propagated and cultured to form active sludge with strong adsorption capacity, the sewage enters the sedimentation tank 3 through the first overflowing weir crest 24 to be precipitated to form active sludge, the active sludge in the sedimentation tank 3 flows back into the aeration tank 2 through the active sludge return pipe 10 to form mixed liquid with the sewage, the redundant excess sludge is discharged through the excess sludge discharge pipe 11 periodically, the aeration pipe 8 fully aerates the mixed liquid, the active sludge and the wastewater are fully contacted, soluble organic pollutants in the sewage are adsorbed by the active sludge and are decomposed by microorganisms, and the sewage is purified, the sewage enters the inside of the filtering tank 4 through the second overflowing weir crest 25, the central pipe 17 in the filtering tank 4 generates negative pressure under the action of the water pump 19 to extract the sewage, the sewage enters the inside of the contact disinfection tank 5 after being filtered by small-particle impurities in the water again through the first filtering membrane 15 and the second filtering membrane 16, the disinfectant is added through the reagent adding port 28, then the motor 21 works to drive the stirring rod 22 to rotate to stir, so that the sewage and the disinfectant are fully mixed to realize the disinfection treatment of the sewage, the sewage after the disinfection treatment enters the inside of the clean water tank 6 through the third overflowing weir crest 26 and is finally discharged through the water outlet 27, the whole device can comprehensively treat the agricultural sewage, and the treatment quality of the agricultural sewage is improved.

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.

Claims

1. The utility model provides a to rural sewage treatment device, includes slagging-off case (1), aeration tank (2), sedimentation tank (3), filtering ponds (4), contact disinfection pond (5) and clean water basin (6), its characterized in that: the device is characterized in that a grid (7) is arranged inside the deslagging box (1), an aeration pipe (8) is arranged at the bottom end inside the aeration tank (2), an air inlet pipe (9) is arranged at one end of the aeration pipe (8), an activated sludge return pipe (10) is arranged at the bottom of the sedimentation tank (3), one end of the activated sludge return pipe (10) is embedded inside the aeration tank (2), a filter cartridge (12) is arranged inside the filter tank (4), the filter cartridge (12) comprises a bottom plate (13) and a top plate (14), a first filter membrane (15) and a second filter membrane (16) are arranged between the bottom plate (13) and the top plate (14), the second filter membrane (16) is located inside the first filter membrane (15), a central pipe (17) is arranged inside the second filter membrane (16), a plurality of water inlet holes (18) are formed in two sides of the central pipe (17), water pump (19) is installed to one side of contact disinfection pond (5) upper end, leading pipe (20) are all installed to the both sides of water pump (19), and the one end of leading pipe (20) passes through flange joint with center tube (17), and the inside of the other end embedding contact disinfection pond (5) of leading pipe (20), motor (21) are installed to the centre of contact disinfection pond (5) upper end, puddler (22) are installed to the lower extreme of motor (21), and puddler (22) are located the inside of contact disinfection pond (5), and motor (21) pass through the coupling joint with puddler (22).

2. The rural sewage treatment equipment according to claim 1, wherein: be provided with feed liquor pipe chute (23) between slagging-off case (1) and aeration tank (2), be provided with first weir mouth (24) that overflows between aeration tank (2) and sedimentation tank (3), be provided with second weir mouth (25) that overflows between sedimentation tank (3) and filtering ponds (4), be provided with the third between contact disinfection pond (5) and clean water basin (6) and overflow weir mouth (26).

3. The rural sewage treatment equipment according to claim 1, wherein: a water outlet (27) is arranged on one side of the outside of the clean water tank (6).

4. The rural sewage treatment equipment according to claim 1, wherein: a medicament adding port (28) is arranged on one side of the upper end of the contact disinfection tank (5).

5. The rural sewage treatment equipment according to claim 1, wherein: the contact disinfection tank (5) is connected with the motor (21) through screws, and the contact disinfection tank (5) is connected with the water pump (19) through screws.

6. The rural sewage treatment equipment according to claim 1, wherein: and a residual sludge discharge pipe (11) is arranged on one side of the activated sludge return pipe (10).