CN213112970U

CN213112970U - Purifier of backwash wastewater disposal basin that denitrification was used

Info

Publication number: CN213112970U
Application number: CN202021852087.2U
Authority: CN
Inventors: 周小平; 周曦; 刘强
Original assignee: Jiangsu New Yutaihua Environ Protection Group Co ltd
Current assignee: Jiangsu New Yutaihua Environ Protection Group Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-04
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a purifier of backwash wastewater disposal basin that denitrification was used relates to denitrification technical field, for solving the relatively poor problem of current purifier purifying effect. The purification tank comprises a regulating reservoir, one side of the regulating reservoir is provided with an anoxic tank, one side of the anoxic tank is provided with a membrane biological reaction tank, one side of the membrane biological reaction tank is provided with a sludge tank, one side of the sludge tank is provided with a reclaimed water clean water tank, the internal mounting of the regulating reservoir is provided with a regulating water pump, the internal mounting of the membrane biological reaction tank is provided with a first sludge pump, a second sludge pump and a membrane bioreactor, a drain pipe is installed in the middle of the upper end of the membrane bioreactor, a self-sucking pump is installed at one end of the drain pipe, and a reclaimed water recycling pipe is installed at one side of the outside of the reclaimed water.

Description

Purifier of backwash wastewater disposal basin that denitrification was used

Technical Field

The utility model relates to a denitrification technical field specifically is a purifier of backwash wastewater disposal basin that denitrification was used.

Background

Denitrification, also known as denitrification, refers to the biochemical process by which bacteria reduce nitrogen (N) in nitrate (NO 3-) to nitrogen (N2) through a series of intermediates (NO 2-, NO, N2O). The bacteria participating in the process are called denitrifying bacteria, the nitrification and denitrification are utilized to remove nitrogen in the organic wastewater and the wastewater with high content of nitrate so as to reduce the nitrogen pollution and eutrophication problems discharged into rivers, and the denitrifying bacteria are a consensus of environmental scientists and are unfavorable for agricultural production because nitrate is reduced into nitrogen in the soil by the denitrification. Intertillage and scarification are frequently carried out in agriculture to prevent denitrification, and in the aspect of environmental protection, denitrification reaction and nitrification reaction can form different process flows together, so that the method is a main method for biological nitrogen removal and is widely applied to sewage treatment plants in the global range.

However, the existing purification device has poor purification effect, so the existing requirement is not met, and for the reason, a purification device of a backwashing wastewater tank for denitrification is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a purifier of backwash wastewater disposal basin that denitrification was used to solve the relatively poor problem of current purifier purifying effect who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a purifier of backwash wastewater disposal basin that denitrification was used, includes middle pond, denitrification filtering pond, backwash clean water basin, wastewater disposal basin and purification tank, the purification tank includes the equalizing basin, one side of equalizing basin is provided with the oxygen deficiency pond, one side of oxygen deficiency pond is provided with membrane bioreaction pond, one side of membrane bioreaction pond is provided with the sludge impoundment, one side of sludge impoundment is provided with well clean water basin, the internally mounted of equalizing basin has the regulating water pump, the internally mounted of membrane bioreaction pond has first sludge pump, second sludge pump and membrane bioreactor, the drain pipe is installed to the centre of membrane bioreactor upper end, the self priming pump is installed to the one end of drain pipe, first well water recycling pipe is installed to the outside one side in well clean water basin.

Preferably, a filter basket is installed in the wastewater tank, and a handle is installed at the upper end of the filter basket.

Preferably, the middle water pump is installed inside the middle water tank, the variable-gap sea sand is arranged inside the denitrification filter tank, the wedge-shaped filter bricks are arranged at the lower ends of the variable-gap sea sand, and the waste water pipe, the water outlet main pipe and the backwashing water inlet pipe are installed on one side of the outer portion of the denitrification filter tank.

Preferably, a back washing pump is installed on one side inside the back washing clean water tank, a clean water outlet pump is installed on the other side inside the back washing clean water tank, a second reclaimed water recycling pipe is installed at one end of the clean water outlet pump, and the clean water outlet pump is connected with the second reclaimed water recycling pipe through a flange.

Preferably, a wastewater pump is installed inside the wastewater pool, a backwashing wastewater discharge pipe is installed at one end of the wastewater pump, and the wastewater pump is connected with the backwashing wastewater discharge pipe through a flange.

Preferably, the upper end of the membrane biological reaction tank is provided with an air blower, and one end of the air blower is provided with an aeration pipe.

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

1. the utility model discloses an introduce the inside of effluent disposal basin earlier with backwash waste water, large granule impurity in the filter basket filtering waste water, avoid blockking up the pipeline, get into the purifying tank under the drive of wastewater pump, the inside of arranging the equalizing basin in earlier is to the regulation of water yield and quality of water, the work of adjusting the water pump is introduced the oxygen deficiency pond with waste water, the oxygen deficiency pond plays the effect that the denitrification got rid of the nitrate nitrogen, get rid of partial BOD simultaneously, waste water gets into the inside in membrane biological reaction pond through flowing the weir mouth, the effect is held back to high-efficient through membrane biological reactor, make microorganism cut back completely in biological reactor, make play water suspended solid and turbidity approach zero, the clear solution after the completion of purifying at last gets into the inside in normal water clean water basin, and realize the normal water retrieval and utilization through first normal water retrieval and utilization pipe, overall structure is comprehensive to the purification of backwash.

2. The utility model discloses an air-blower work is through the aeration pipe aeration, makes waste water and mud be in complete ideal mixing state, has guaranteed BOD, COD's clearance.

Drawings

FIG. 1 is a schematic structural view of an intermediate water tank, a denitrification filter tank, a backwashing clear water tank and a wastewater tank of the utility model;

FIG. 2 is a schematic structural view of the purification tank of the present invention;

fig. 3 is a schematic structural view of the filter basket of the present invention.

In the figure: 1. a middle water tank; 2. a denitrification filter; 3. backwashing the clean water tank; 4. a wastewater tank; 5. a purification tank; 6. a regulating tank; 7. an anoxic tank; 8. a membrane biological reaction tank; 9. a sludge tank; 10. a reclaimed water clean water tank; 11. adjusting the water pump; 12. a first sludge pump; 13. a second sludge pump; 14. a membrane bioreactor; 15. a drain pipe; 16. a self-priming pump; 17. a first reclaimed water recycling pipe; 18. a filter basket; 19. a handle; 20. an intermediate water pump; 21. changing the air gap sea sand; 22. a wedge-shaped filter brick; 23. a waste pipe; 24. a water outlet main pipe; 25. backwashing the water inlet pipe; 26. a backwash pump; 27. clear water is discharged from a water pump; 28. a second reclaimed water recycling pipe; 29. a waste water pump; 30. backwashing the wastewater discharge pipe; 31. a blower; 32. an aeration pipe.

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 purifier of backwashing wastewater pool for denitrification comprises a middle water pool 1, a denitrification filter pool 2, a backwashing clear water pool 3, a wastewater pool 4 and a purifying pool 5, wherein the purifying pool 5 comprises an adjusting pool 6, one side of the adjusting pool 6 is provided with an anoxic pool 7, one side of the anoxic pool 7 is provided with a membrane biological reaction pool 8, one side of the membrane biological reaction pool 8 is provided with a sludge pool 9, one side of the sludge pool 9 is provided with a reclaimed water clear water pool 10, the adjusting pool 6 is internally provided with an adjusting water pump 11, the membrane biological reaction pool 8 is internally provided with a first sludge pump 12, a second sludge pump 13 and a membrane biological reactor 14, the middle of the upper end of the membrane biological reactor 14 is provided with a drain pipe 15, one end of the drain pipe 15 is provided with a self-priming pump 16, one side of the outer part of the reclaimed water clear water pool 10 is provided with a first reclaimed water recycling pipe 17, the anoxic pool, waste water gets into the inside of membrane biological reaction pond 8 through flowing the weir crest, and the high-efficient effect of holding back through membrane bioreactor 14 makes the microorganism fully to be held back in the bioreactor for go out water suspended solid and turbidity and be close to zero, and the clear liquid after the purification completion finally gets into the inside in well clean water pond 10, and realizes the reuse of reclaimed water through first reuse of reclaimed water pipe 17, and overall structure is comprehensive to the purification of backwash waste water, has improved purifying effect.

Further, the internally mounted of wastewater disposal basin 4 has filter basket 18, and handle 19 is installed to filter basket 18's upper end, and filter basket 18 filters the large granule impurity in the waste water, avoids blockking up the pipeline.

Further, a middle water pump 20 is installed inside the middle water tank 1, variable-gap sea sand 21 is arranged inside the denitrification filter tank 2, wedge-shaped filter bricks 22 are arranged at the lower end of the variable-gap sea sand 21, a waste water pipe 23, a main water outlet pipe 24 and a backwashing water inlet pipe 25 are installed on one side outside the denitrification filter tank 2, the middle water pump 20 works to introduce liquid to be treated into the denitrification filter tank 2 for denitrification, and the treated liquid enters the inside of the backwashing clear water tank 3 through the main water outlet pipe 24.

Further, a back washing pump 26 is installed on one side inside the back washing clean water tank 3, a clean water outlet pump 27 is installed on the other side inside the back washing clean water tank 3, a second reclaimed water recycling pipe 28 is installed at one end of the clean water outlet pump 27, the clean water outlet pump 27 is connected with the second reclaimed water recycling pipe 28 through a flange, when the denitrification filter tank 2 needs back washing, the back washing pump 26 works, clean water inside the back washing clean water tank 3 is led into the denitrification filter tank 2 through a back washing water inlet pipe 25, and back washing action is carried out from bottom to top.

Furthermore, a waste water pump 29 is installed inside the waste water tank 4, a backwashing waste water discharge pipe 30 is installed at one end of the waste water pump 29, the waste water pump 29 is connected with the backwashing waste water discharge pipe 30 through a flange, and waste water is driven by the waste water pump 29 to enter the purification tank 5 through the backwashing waste water discharge pipe 30.

Further, the upper end of the membrane biological reaction tank 8 is provided with an air blower 31, one end of the air blower 31 is provided with an aeration pipe 32, the air blower 31 works and aerates through the aeration pipe 32, so that the wastewater and the sludge are in a completely ideal mixing state, and the removal rate of BOD and COD is ensured.

The working principle is as follows: when in use, the intermediate water pump 20 works to introduce the liquid to be treated into the denitrification filter tank 2 for denitrification, the treated liquid enters the interior of the back flush clean water tank 3 through the main water outlet pipe 24, one part of the treated liquid is driven by the clean water outlet pump 27 to realize reclaimed water recycling through the second reclaimed water recycling pipe 28, the other part of the treated liquid is arranged in the interior of the back flush clean water tank 3 for back flushing, when the denitrification filter tank 2 needs back flushing, the back flush pump 26 works to introduce the clean water in the back flush clean water tank 3 into the denitrification filter tank 2 through the back flush water inlet pipe 25, back flushing action is carried out from bottom to top, the flushed waste water enters the interior of the waste water tank 4 through the waste water pipe 23, the filter basket 18 filters large-particle impurities in the waste water to avoid pipeline blockage, the waste water enters the purification tank 5 through the back flush waste water pipe 30 under the drive of the waste water pump discharge pipe 29, and is firstly arranged in the interior, adjusting water pump 11 work and introducing oxygen deficiency pond 7 with waste water, oxygen deficiency pond 7 plays the effect that the denitrification got rid of the nitrate nitrogen, get rid of partial BOD simultaneously, waste water gets into the inside of membrane biological reaction pond 8 through flowing the weir crest, the high efficiency through membrane biological reactor 14 is held back the effect, make the microorganism cut back in the biological reactor completely, make play water suspended solid and turbidity be close to zero, and simultaneously, air-blower 31 work is through aeration pipe 32 aeration, make waste water and mud be in perfect mixing state, BOD has been guaranteed, COD's clearance, the clear solution after the final purification completion gets into the inside in well clean water pond 10, and realize the reuse of reclaimed water through first reuse pipe 17, overall structure is comprehensive to the purification of backwash waste water, purifying effect has been 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 purifier of backwash wastewater pool that denitrification was used, includes middle pond (1), denitrification filtering pond (2), backwash clear water pond (3), wastewater pool (4) and purifying pond (5), its characterized in that: purification tank (5) are including equalizing basin (6), one side of equalizing basin (6) is provided with oxygen deficiency pond (7), one side of oxygen deficiency pond (7) is provided with membrane biological reaction pond (8), one side of membrane biological reaction pond (8) is provided with sludge impoundment (9), one side of sludge impoundment (9) is provided with well water cleaning pond (10), the internally mounted of equalizing basin (6) has adjusting water pump (11), the internally mounted of membrane biological reaction pond (8) has first sludge pump (12), second sludge pump (13) and membrane bioreactor (14), drain pipe (15) are installed to the centre of membrane bioreactor (14) upper end, self priming pump (16) are installed to the one end of drain pipe (15), first well water recycling pipe (17) are installed to the outside one side of well water cleaning pond (10).

2. A denitrification backwash wastewater purification apparatus according to claim 1, wherein: the inside of wastewater disposal basin (4) is installed and is strained basket (18), handle (19) are installed to the upper end of straining basket (18).

3. A denitrification backwash wastewater purification apparatus according to claim 1, wherein: the utility model discloses a denitrification filter, including middle pond (1), denitrification filter (2), waste water pipe (23), the female pipe of play water (24) and back flush inlet tube (25) are installed to the inside installation of middle pond (1) water pump (20), the inside of denitrification filter (2) is provided with becomes air gap sea sand (21), the lower extreme that becomes air gap sea sand (21) is provided with wedge filter brick (22), denitrification filter (2) outside one side.

4. A denitrification backwash wastewater purification apparatus according to claim 1, wherein: a back washing pump (26) is installed on one side of the interior of the back washing clean water tank (3), a clean water outlet pump (27) is installed on the other side of the interior of the back washing clean water tank (3), a second reclaimed water recycling pipe (28) is installed at one end of the clean water outlet pump (27), and the clean water outlet pump (27) is connected with the second reclaimed water recycling pipe (28) through a flange.

5. A denitrification backwash wastewater purification apparatus according to claim 1, wherein: the waste water treatment device is characterized in that a waste water pump (29) is installed inside the waste water pool (4), a backwashing waste water discharge pipe (30) is installed at one end of the waste water pump (29), and the waste water pump (29) is connected with the backwashing waste water discharge pipe (30) through a flange.

6. A denitrification backwash wastewater purification apparatus according to claim 1, wherein: an air blower (31) is installed at the upper end of the membrane biological reaction tank (8), and an aeration pipe (32) is installed at one end of the air blower (31).