CN220485504U

CN220485504U - Rural domestic sewage integration MBR processing system

Info

Publication number: CN220485504U
Application number: CN202322074968.6U
Authority: CN
Inventors: 杜锦梦; 李毅; 左宇; 魏秀萍; 杨佩佩
Original assignee: Nanjing Lutong Environmental Technology Co ltd
Current assignee: Nanjing Lutong Environmental Technology Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-02-13
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses an integrated MBR (Membrane biological reactor) treatment system for rural domestic sewage, which is applied to the field of sewage treatment and comprises a grating treatment tank, wherein a filtering grating is bolted to the inner wall of the grating treatment tank, a lifting pump is communicated with the surface of the grating treatment tank, and an output end of the lifting pump is communicated with an adjusting tank; according to the utility model, after domestic sewage flows into the regulating tank, the domestic sewage enters the anaerobic tank through the lifting pump, enters the anoxic tank through the overflow port at the top of the anaerobic tank, overflows into the MBR tank, the PLC controller is used for starting the blower to carry out oxygenation operation, the effluent of the MBR tank enters the ultraviolet disinfection equipment through the self-priming pump, the MBR tank mixed liquid returns to the anoxic tank and the anaerobic tank through the second reflux pump, the residual sludge is pumped into the sludge tank through the first reflux pump, the sludge is periodically cleaned and conveyed outwards, and the supernatant of the sludge tank flows back to the regulating tank, so that the treatment is finished, the occupied area is small, the automatic control is easy, the impact load resistance capability is high, and the application range is wide.

Description

Rural domestic sewage integration MBR processing system

Technical Field

The utility model relates to the field of sewage treatment, in particular to an integrated MBR (Membrane biological reactor) treatment system for rural domestic sewage.

Background

With the development of rural economy at present, the living quality and living standard of rural residents are continuously improved, the average water consumption of the rural residents and the discharge amount of sewage are also greatly increased, and further the rural water body environment of China is polluted and destroyed to different degrees, villages are developed by planning without taking over conditions, relatively concentrated living and relatively high in discharge requirement, a relatively concentrated treatment mode is adopted, a pipe network is uniformly planned, and after rural domestic sewage is collected, the rural domestic sewage is treated by AAO-MBR integrated equipment.

At present, china utility model with publication number of CN215559728U discloses an anaerobic MBR treatment system. Mainly solves the technical problem that the sludge concentration in the anaerobic reactor is difficult to improve, and the technical scheme of the utility model is as follows: an anaerobic MBR treatment system comprises an anaerobic reactor and is characterized in that an output pipeline of the anaerobic reactor is sequentially connected with a water inlet pump, a circulating pump and an ultrafiltration membrane component, a clear liquid outlet pipeline, a concentrated solution return pipeline and a residual sludge discharge pipeline are arranged at the tail end of the ultrafiltration membrane component, and the concentrated solution return pipeline is connected with the anaerobic reactor. The water inlet pump outlet pipeline is provided with a basket filter, and the water inlet and outlet of the basket filter is provided with a pressure sensor and a pressure gauge. An electromagnetic flowmeter is arranged on the clear liquid outlet pipeline, an electromagnetic flowmeter is arranged on the residual sludge discharge pipeline, and an electromagnetic flowmeter and a pressure sensor are arranged on the circulating pump outlet pipeline. The concentrated solution return pipeline is provided with a branch pipeline connected with an outlet pipeline of the water inlet pump. Can improve the treatment capacity of the anaerobic reactor, reduce the volume of the reactor and improve the quality of anaerobic effluent.

The existing MBR treatment system has the advantages that the occupied area is large, manual operation and maintenance management is adopted, automatic control is not needed, the impact load resistance is low, the application range is narrow, at present, various sewage treatment processes are practical cases in rural domestic sewage treatment, but most rural domestic sewage pipelines in China are low in popularization rate, sewage discharge is dispersed, certain obstruction is caused to practical application and popularization of various processes, the filtering grids are inconvenient to clean, impurities are filtered when the filtering grids are used generally, the impurities can be blocked on the surfaces of the grids, the grids are blocked, the filtering efficiency is affected, the grids are generally detached for cleaning, and after the filtering is finished, the filtering grids are installed again, the process is complicated, the workload is increased, and the working efficiency is reduced.

Disclosure of Invention

The utility model aims to provide an integrated MBR treatment system for rural domestic sewage, which has the advantages of small occupied area, easiness in automatic control, high impact load resistance, wide application range and convenience in cleaning a filter grid.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an rural domestic sewage integration MBR processing system, includes the grille treatment pond, the inner wall bolt in grille treatment pond has the filtration grating, the surface intercommunication in grille treatment pond has the elevator pump, the output intercommunication in elevator pump has the equalizing basin, the surface intercommunication in equalizing basin has the anaerobism pond, the surface intercommunication in anaerobism pond has the MBR pond, the surface intercommunication in MBR pond has the self priming pump, the output intercommunication of self priming pump has ultraviolet disinfection equipment, the surface intercommunication in MBR pond has first backwash pump, the output intercommunication of first backwash pump has the sludge impoundment, the surface intercommunication in sludge impoundment has the supernatant backwash pipe, and the other end and the surface intercommunication in equalizing basin of supernatant pipe, the surface intercommunication in MBR pond has the second backwash pump, the output bolt intercommunication of second backwash pump has the mixed solution backwash pipe, and the other end of mixed solution respectively with the surface intercommunication in anaerobism pond and oxygen-poor pond, the top bolt in grille treatment pond has the backup pad, the top of backup pad motor has the self priming pump, the output end intercommunication of first backwash pump has the sludge tank, the surface intercommunication has the screw rod, the screw rod has the reciprocal screw thread to be connected with the surface of a fixed connection of screw rod, the screw rod has the reciprocal screw thread to be connected with the surface of the screw rod.

By adopting the technical scheme, after domestic sewage flows into the regulating tank, the domestic sewage flows into the anaerobic tank through the lifting pump, enters the anoxic tank through the overflow port at the top of the anaerobic tank, then overflows into the MBR tank, the PLC controller is used for starting the blower to carry out oxygenation operation, the effluent of the MBR tank enters the ultraviolet disinfection equipment through the self-priming pump, the mixed liquid of the MBR tank returns to the anoxic tank and the anaerobic tank through the reflux pump, the residual sludge flows into the sludge tank through the reflux pump, the sludge is periodically cleaned and carried out, the supernatant of the sludge tank flows back to the regulating tank, the treatment is completed, the occupied area is small, the automatic control is easy, the shock load resistance capability is high, the application range is wide, the motor is rotated to drive the reciprocating screw rod to rotate, the reciprocating screw rod is rotated to drive the sliding barrel to reciprocate, the sliding barrel to drive the fixed plate to reciprocate, the fixed plate to reciprocate to drive the hairbrush to reciprocate, and the hairbrush to reciprocate to clean the grille, so that the grille is convenient to clean can be achieved, the workload is reduced, and the cleaning efficiency is improved.

The utility model is further provided with: and the surface of the MBR tank is communicated with a cleaning pump.

By adopting the technical scheme, the cleaning pump is arranged, so that the cleaning is convenient.

The utility model is further provided with: and the surface of the MBR tank is communicated with an air blower.

By adopting the technical scheme, the oxygen is conveniently oxygenated by arranging the air blower.

The utility model is further provided with: the surface bolt of a slide section of thick bamboo has the connecting rod, the other end bolt of connecting rod has the slider, the surface sliding connection of slider has the spout, and the inner wall in the grille treatment pond is seted up to the spout.

By adopting the technical scheme, the sliding cylinder is fixed by arranging the connecting rod, the sliding block and the sliding groove, so that the stable operation of the sliding cylinder is ensured.

The utility model is further provided with: the top bolt of backup pad has the protective housing, and the motor is located the inside of protective housing.

By adopting the technical scheme, the motor is protected by arranging the protective shell.

The utility model is further provided with: the hairbrush is made of nylon.

Adopt above-mentioned technical scheme, be nylon material through the material that sets up the brush, the low price is durable.

In summary, the utility model has the following beneficial effects:

1. according to the utility model, after domestic sewage flows into the regulating tank, the domestic sewage is pumped into the anaerobic tank through the lifting pump, enters the anoxic tank through the overflow port at the top of the anaerobic tank, overflows into the MBR tank, and is oxygenated by starting the blower through the PLC controller, the effluent of the MBR tank enters the ultraviolet disinfection equipment through the self-priming pump, the MBR tank mixed liquid returns to the anoxic tank and the anaerobic tank through the second reflux pump, the residual sludge is pumped into the sludge tank through the first reflux pump, the sludge is periodically cleaned and conveyed outwards, and the supernatant of the sludge tank flows back to the regulating tank, so that the treatment is finished, the occupied area is small, the automatic control is easy, the impact load resistance capability is high, and the application range is wide;

2. according to the utility model, the motor rotates to drive the reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive the sliding cylinder to reciprocate, the sliding cylinder reciprocates to drive the fixed plate to reciprocate, the fixed plate reciprocates to drive the hairbrush to reciprocate, and the hairbrush reciprocates to clean the grille, so that the purpose of conveniently cleaning the grille can be achieved, the workload is reduced, and the cleaning efficiency is improved.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a side cross-sectional view of a partial structure of the present utility model;

fig. 4 is a flow chart of the structural process of the present utility model.

Reference numerals: 1. a grid treatment tank; 2. a filter grid; 3. a lift pump; 4. an adjusting tank; 5. an anaerobic tank; 6. an anoxic tank; 7. an MBR pool; 8. a self priming pump; 9. an ultraviolet disinfection device; 10. a first return pump; 11. a sludge pool; 12. a supernatant return line; 13. a second reflux pump; 14. a mixed liquor return pipe; 15. a support plate; 16. a motor; 17. a reciprocating screw rod; 18. a slide cylinder; 19. a fixing plate; 20. a brush; 21. a cleaning pump; 22. a blower; 23. a connecting rod; 24. a slide block; 25. a chute; 26. and a protective shell.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 4, an integrated rural domestic sewage MBR treatment system comprises a grating treatment tank 1, a filtering grating 2 is bolted to the inner wall of the grating treatment tank 1, a lifting pump 3 is communicated with the surface of the grating treatment tank 1, an output end of the lifting pump 3 is communicated with a regulating tank 4, an anaerobic tank 5 is communicated with the surface of the regulating tank 4, an anoxic tank 6 is communicated with the surface of the anaerobic tank 5, an MBR tank 7 is communicated with the surface of the MBR tank 7, a self-priming pump 8 is communicated with the surface of the MBR tank 7, an ultraviolet disinfection device 9 is communicated with the output end of the self-priming pump 8, a first reflux pump 10 is communicated with the surface of the MBR tank 7, a sludge tank 11 is communicated with a supernatant reflux pipe 12, the other end of the supernatant reflux pipe 12 is communicated with the surface of the regulating tank 4, a second reflux pump 13 is communicated with the surface of the MBR tank 7, the output end of the second reflux pump 13 is communicated with a mixed liquor reflux pipe 14, the other end of the mixed liquor reflux pipe 14 is respectively communicated with the surfaces of the anaerobic tank 5 and the anoxic tank 6, after domestic sewage flows into the regulating tank 4, the domestic sewage enters the anaerobic tank 5 through the lifting pump 3, enters the anoxic tank 6 through the overflow port at the top of the anaerobic tank 5, overflows into the MBR tank 7, the air blower 22 is started by the PLC controller to carry out oxygenation operation, the effluent of the MBR tank 7 enters the ultraviolet disinfection equipment 9 through the self-priming pump 8, the mixed liquor of the MBR tank 7 returns to the anoxic tank 6 and the anaerobic tank 5 through the second reflux pump 13, residual sludge flows into the sludge tank 11 through the first reflux pump 10, the sludge is periodically cleaned and conveyed outwards, and supernatant of the sludge tank 11 flows back to the regulating tank 4, so that the treatment is completed, the occupied area is small, the automatic control is easy, the impact load resistance capability is high, and the application range is wide.

Referring to fig. 1, the surface of the mbr tank 7 is communicated with a cleaning pump 21, and cleaning is facilitated by providing the cleaning pump 21.

Referring to fig. 1, the surface of the mbr tank 7 is communicated with a blower 22, and oxygenation is facilitated by providing the blower 22.

Example 2:

referring to fig. 1, 2 and 3, the top of the grid treatment tank 1 is bolted with a supporting plate 15, the top of the supporting plate 15 is bolted with a motor 16, the output end of the motor 16 passes through the supporting plate 15 and is bolted with a reciprocating screw rod 17, the bottom of the reciprocating screw rod 17 is rotationally connected with the inner wall of the grid treatment tank 1, the surface of the reciprocating screw rod 17 is in threaded connection with a sliding cylinder 18, the surface of the sliding cylinder 18 is bolted with a fixed plate 19, the surface of the fixed plate 19 is bolted with a hairbrush 20, the reciprocating screw rod 17 rotates to drive the sliding cylinder 18 to reciprocate, the reciprocating movement of the sliding cylinder 18 drives the fixed plate 19 to reciprocate, the reciprocating movement of the fixed plate 19 drives the hairbrush 20 to reciprocate, and the reciprocating movement of the hairbrush 20 cleans the grids, so that the aim of conveniently cleaning the grids can be achieved, the workload is reduced, and the cleaning efficiency is improved.

Referring to fig. 2, a connecting rod 23 is bolted to the surface of the slide tube 18, a sliding block 24 is bolted to the other end of the connecting rod 23, a sliding groove 25 is slidably connected to the surface of the sliding block 24, and the sliding groove 25 is formed in the inner wall of the grid treatment tank 1, and the connecting rod 23, the sliding block 24 and the sliding groove 25 are arranged to fix the slide tube 18, so that stable operation of the slide tube 18 is ensured.

Referring to fig. 1, 2 and 3, a protective housing 26 is bolted to the top of the support plate 15 and the motor 16 is located inside the protective housing 26, protecting the motor 16 by providing the protective housing 26.

Referring to fig. 3, the brush 20 is made of nylon, and the brush 20 is made of nylon, so that the brush is low in price and durable.

The use process is briefly described: after domestic sewage flows into the regulating tank 4, the domestic sewage enters the anaerobic tank 5 through the lifting pump 3, enters the anoxic tank 6 through the overflow port at the top of the anaerobic tank 5, overflows into the MBR tank 7, the PLC controller is used for starting the air blower 22 to carry out oxygenation operation, MBR reaction tank effluent enters the ultraviolet disinfection equipment 9 through the self-priming pump 8, MBR tank 7 mixed liquor returns to the anoxic tank 6 and the anaerobic tank 5 through the second reflux pump 13, residual sludge enters the sludge tank 11 through the first reflux pump 10, the sludge is periodically cleaned and conveyed outwards, supernatant of the sludge tank 11 is returned to the regulating tank 4, the chemical cleaning agent is prepared by the clean water after treatment by the chemical adding device to periodically carry out membrane component cleaning, the opening and closing of the lifting pump 3 and the self-priming pump 8 are respectively controlled by the water levels of the regulating tank 4 and the MBR tank 7, when the membrane unit needs to carry out chemical cleaning operation, the cleaning pump 21 is started, the membrane component is firstly entered at a small flow rate, the membrane component is prevented from being damaged, the membrane component is soaked for 2 hours after the membrane component is added, the purpose of high-efficiency biological sludge is achieved, the high-efficiency sludge is effectively separated by the biological sedimentation tank, and the high-activity sludge is effectively separated by the biological machine, and the purpose of the sludge is effectively removed by the biological separation is achieved, and the high-activity of the biological separation is achieved; the motor 16 rotates to drive the reciprocating screw rod 17 to rotate, the reciprocating screw rod 17 rotates to drive the sliding cylinder 18 to reciprocate, the sliding cylinder 18 reciprocates to drive the fixed plate 19 to reciprocate, the fixed plate 19 reciprocates to drive the brush 20 to reciprocate, and the brush 20 reciprocates to clean the grille, so that the purpose of conveniently cleaning the grille can be achieved.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides an rural domestic sewage integration MBR processing system, includes grid treatment pond (1), a serial communication port, the inner wall bolt of grid treatment pond (1) has filtration grid (2), the surface intercommunication of grid treatment pond (1) has elevator pump (3), the output intercommunication of elevator pump (3) has equalizing basin (4), the surface intercommunication of equalizing basin (4) has anaerobic tank (5), the surface intercommunication of anaerobic tank (5) has anoxic tank (6), the surface intercommunication of anoxic tank (6) has MBR pond (7), the surface intercommunication of MBR pond (7) has self priming pump (8), the output intercommunication of self priming pump (8) has ultraviolet disinfection equipment (9), the surface intercommunication of MBR pond (7) has first backwash pump (10), the output intercommunication of first backwash pump (10) has mud pond (11), the surface intercommunication of mud pond (11) has supernatant return pipe (12), and the other end of supernatant (12) and the surface intercommunication of equalizing basin (4) have anoxic tank (6), the surface intercommunication of anoxic tank (14) has mixed liquid return pipe (14) and the surface intercommunication of anoxic tank (6) and the mixed liquid return pipe (14) of the surface intercommunication of second (13), the top bolt of grid treatment pond (1) has backup pad (15), the top bolt of backup pad (15) has motor (16), the output of motor (16) passes backup pad (15) and bolt have reciprocal lead screw (17), and the bottom of reciprocal lead screw (17) is connected with the inner wall rotation of grid treatment pond (1), the surface threaded connection of reciprocal lead screw (17) has a slide (18), the surface bolt of slide (18) has fixed plate (19), the surface bolt of fixed plate (19) has brush (20).

2. The rural domestic sewage integrated MBR treatment system according to claim 1, wherein the surface of the MBR tank (7) is communicated with a cleaning pump (21).

3. The rural domestic sewage integrated MBR treatment system according to claim 1, wherein the surface of the MBR tank (7) is communicated with a blower (22).

4. The rural domestic sewage integrated MBR treatment system according to claim 1, wherein a connecting rod (23) is bolted to the surface of the sliding cylinder (18), a sliding block (24) is bolted to the other end of the connecting rod (23), a sliding groove (25) is slidably connected to the surface of the sliding block (24), and the sliding groove (25) is formed in the inner wall of the grid treatment tank (1).

5. A rural domestic sewage integrated MBR treatment system according to claim 1, wherein the top of the support plate (15) is bolted with a protective housing (26) and the motor (16) is located inside the protective housing (26).

6. The rural domestic sewage integrated MBR treatment system according to claim 1, wherein the brush (20) is made of nylon.