CN219098886U

CN219098886U - MBR membrane integrated device

Info

Publication number: CN219098886U
Application number: CN202223044887.3U
Authority: CN
Inventors: 徐庆惠; 谢兆军; 陈香; 吉映臣
Original assignee: Shanghai Kewen Environmental Protection Technology Co ltd
Current assignee: Shanghai Kewen Environmental Protection Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-30
Anticipated expiration: 2032-11-16

Abstract

The utility model provides an MBR (Membrane biological reactor) membrane integrated device, which comprises a box body, wherein a bottom plate and a sludge bucket are respectively arranged on two sides of the inner bottom surface of the box body, an MBR membrane group is arranged on the bottom plate, and a submersible sewage pump is arranged in the sludge bucket; one end of the bottom plate is in arc transition with the top edge of the adjacent sludge hopper, and the other end of the bottom plate is inclined upwards; the water distribution device is characterized in that a water inlet pipe is arranged on the box body, one end of the water inlet pipe extends to the upper side of the higher end of the bottom plate and is communicated with the water distribution pipe, and a plurality of nozzles inclined towards the lower end of the bottom plate are connected to the water distribution pipe. In the structure of the utility model, the water distribution pipe is arranged to realize the diversion of the water inflow, so that on one hand, the influence of the water inflow on the MBR membrane on the MBR module can be reduced, the damage of membrane wires caused by the water inflow is avoided, and on the other hand, the inclined bottom plate can be matched to further reduce the probability of sludge accumulation on the inclined bottom plate, reduce the influence of the sludge on the MBR module, and ensure the filtration stability of the whole machine.

Description

MBR membrane integrated device

Technical Field

The utility model belongs to the technical field of water treatment processes, and particularly relates to an MBR (Membrane biological reactor) membrane integrated device.

Background

MBR (water treatment process) membrane bioreactor is a water treatment technology combining a membrane separation unit and biological treatment, wherein an MBR membrane is immersed in sewage, water is continuously pumped by a suction pump, negative pressure is formed in the middle of the MBR membrane, sewage is filtered by the MBR membrane, water molecules penetrate through a membrane wall and enter a water producing side to be discharged through a water pumping hole, and pollutants are intercepted outside the membrane wall to finish corresponding water treatment.

When current MBR membrane bioreactor actually operates, the mud suspended solid that intakes is higher, and mud is because dead weight reason, and the easy siltation is in membrane tank bottom, because the membrane tank bottom surface does not have the gradient, outside the unable efficient bottom of the membrane tank mud discharge tank of surplus sludge pump, the mud pile up highly and surpass the membrane frame, can cause the membrane to wash the degree of difficulty increase, and the membrane silk washs incompletely, and the membrane hole is blocked by mud, and then causes the membrane water yield to descend, and system maintenance cost increases.

How to design an MBR membrane integrated device, how to reduce the probability of sludge accumulation, ensure the filtering effect of the whole machine and become the problem to be solved urgently.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide an MBR membrane integrated device, which is used for solving the problem that sludge in an MBR membrane bioreactor is easy to be accumulated and affects filtration in the prior art.

In order to achieve the above purpose, the utility model provides an MBR membrane integrated device, which comprises a box body, wherein two sides of the inner bottom surface of the box body are respectively provided with a bottom plate and a sludge bucket, an MBR membrane group is arranged on the bottom plate, and a submersible sewage pump is arranged in the sludge bucket;

one end of the bottom plate is in arc transition with the top edge of the adjacent sludge hopper, and the other end of the bottom plate is inclined upwards;

the water distribution device is characterized in that a water inlet pipe is arranged on the box body, one end of the water inlet pipe extends to the upper side of the higher end of the bottom plate and is communicated with the water distribution pipe, and a plurality of nozzles inclined towards the lower end of the bottom plate are connected to the water distribution pipe.

By adopting the technical scheme: the sludge filtered by the MBR module can automatically flow to the inside of the sludge hopper along the bottom plate under the action of self gravity, and then is pumped back or directly discharged by the submersible sewage pump, so that the probability of sludge accumulation on the bottom plate is reduced, the influence on the filtration of the MBR module caused by excessive sludge accumulation on the bottom plate is avoided, and the filtering effect of the whole machine is ensured; connect the water distribution pipe on the inlet tube, will get into the inside water flow distribution of box through the water distribution pipe, can reduce the pressure of intaking on the one hand, avoid intaking the too high MBR membrane that leads to the fact the influence on the MBR module of pressure, on the other hand can cooperate the bottom plate of slope to dash the silt on the bottom plate to the inside of sludge hopper, further reduce the probability that mud is hoarded on the bottom plate, avoid appearing that mud hoarded and filter the influence to the MBR module.

In an embodiment of the present utility model, a column base is connected to the bottom of the box body and provides a longitudinal support for the box body through the column base;

by adopting the technical scheme: the box body is supported away from the ground through the column base, so that the whole box body is in a vertical state, and the placement stability of the box body is ensured.

In an embodiment of the present utility model, the MBR module includes a membrane frame having an MBR membrane, a backing plate is interposed between the membrane frame and the bottom plate, and a longitudinal support of the membrane frame is provided by the backing plate;

by adopting the technical scheme: setting a membrane frame to provide an installation position of the MBR membrane; the membrane frame is supported by the base plate, so that the membrane frame is ensured to be in a vertical state on the inclined bottom plate.

In an embodiment of the utility model, the film frame is positioned and arranged on a guide rail, and the guide rail is fixed in the box body;

by adopting the technical scheme: the guide rail is arranged to provide the mounting orientation of the film frame, so that the accuracy of the mounting position of the film frame is ensured while the mounting difficulty of the film frame is reduced.

In an embodiment of the utility model, an air inlet and a water producing port are arranged above the MBR membrane, wherein the air inlet is connected with an air outlet of the fan through an air pipe, and the water producing port is connected with a water pumping port of the self-priming pump through a water pipe;

by adopting the technical scheme: basic blowing power and pumping power are respectively provided by arranging a fan and a self-priming pump.

In an embodiment of the utility model, the output port of the submersible sewage pump is connected with a sewage drain pipe which is simultaneously communicated with a sludge return pipe and a sludge discharge pipe with a valve;

by adopting the technical scheme: the discharge direction of the sludge can be changed by controlling the one-way valve.

Advantageous effects

In the structure, the inclined bottom plate is arranged in the box body and matched with the sludge hopper to realize automatic collection of sludge under the action of dead weight, so that the probability of accumulating the sludge on the bottom plate supported by the MBR module is reduced, and the influence of the sludge accumulation on the filtration of the MBR module is avoided; the water distribution pipe is arranged to realize water diversion, so that on one hand, the influence of water inflow on an MBR membrane on an MBR module can be reduced, the damage of membrane wires caused by water inflow is avoided, on the other hand, the inclined bottom plate can be matched to further reduce the probability of sludge accumulation on the bottom plate, the influence of sludge on the MBR module is reduced, and the filtering stability of the whole machine is ensured; the popularization and application have good economic benefit and social benefit.

Drawings

Fig. 1 is a schematic diagram of the present utility model.

Fig. 2 is a top view of the present utility model.

In the figure: 1. a case; 2. a water inlet pipe; 3. a water distribution pipe; 4. column feet; 5. a bottom plate; 6. a membrane frame; 7. a backing plate; 8. a sludge hopper; 9. a submersible sewage pump; 10. a blower; 11. an air inlet; 12. a water producing port; 13. a self priming pump; 14. and a guide rail.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in fig. 1-2, the utility model provides an MBR membrane integrated device, which comprises a box body 1, wherein the bottom of the box body 1 is connected with a column base 4, and the column base 4 provides longitudinal support for the box body 1, and the column base 4 supports the box body 1 away from the ground, so that the whole box body 1 is in a vertical state, and the placement stability of the box body 1 is ensured;

the two sides of the inner bottom surface of the box body 1 are respectively provided with a bottom plate 5 and sludge hoppers 8, one end of the bottom plate 5 is in arc transition with the top edges of the adjacent sludge hoppers 8, the other end of the bottom plate 5 is inclined upwards, sludge filtered by the MBR module can flow to the inside of the sludge hoppers 8 along the bottom plate 5 under the action of self gravity, the probability of accumulating sludge on the bottom plate 5 is reduced, and the influence of excessive accumulating sludge on the bottom plate 5 on the filtration of the MBR module is avoided;

the MBR membrane group is arranged on the bottom plate 5, the MBR membrane group comprises a membrane frame 6 provided with an MBR membrane, the membrane frame 6 provides an installation position of the MBR membrane, a base plate 7 is arranged between the membrane frame 6 and the bottom plate 5 in a cushioning manner, and the base plate 7 provides longitudinal support of the membrane frame 6, and the base plate 7 supports the membrane frame 6, so that the membrane frame 6 can be in a vertical state on the inclined bottom plate 5;

the film frame 6 is positioned and arranged on the guide rail 14, the guide rail 14 is fixed in the box body 1, the guide rail 14 provides mounting orientation of the film frame 6, the mounting difficulty of the film frame 6 is reduced, and meanwhile, the accuracy of the mounting position of the film frame 6 is ensured;

an air inlet 11 and a water producing port 12 are arranged above the MBR membrane, wherein the air inlet 11 is connected with an air outlet of the fan 10 through an air pipe, basic air inlet power is provided by the fan, the water producing port 12 is connected with a water pumping port of the self-priming pump 13 through a water pipe, and basic water pumping power is provided by the self-priming pump;

the water distribution pipe 3 is connected with a plurality of nozzles inclined towards the lower end of the bottom plate 5, and the water distribution pipe 3 can flow water into the box 1, so that on one hand, the water inlet pressure can be reduced, the influence of the water inlet pressure on an MBR membrane on an MBR module is avoided, on the other hand, sludge on the bottom plate 5 can be flushed to the inside of a sludge hopper 8 by matching with the inclined bottom plate 5, the probability of accumulation of the sludge on the bottom plate 5 is further reduced, and the influence of the accumulation of the sludge on the filtration of the MBR module is avoided;

the inside of the sludge bucket 8 is provided with a submersible sewage pump 9, sewage pumping power is provided by the submersible sewage pump 9, an output port of the submersible sewage pump 9 is connected with a sewage pipe, the sewage pipe is simultaneously communicated with a sludge return pipe and a sludge discharge pipe with valves, and the discharge direction of sludge can be changed through the control of a one-way valve.

During concrete implementation, sewage is led to the inside of box 1 by inlet tube 2, sewage is taken out under the effect of self priming pump 13 after the filtration of the inside MBR module of box 1 and is supplied with water and use, and the mud that filters and falls down falls to the inside bottom plate 5 of box 1 from the MBR module under the effect of dead weight, because bottom plate 5 slope to the mud on the bottom plate 5 receives the influence of water distributor 3 blowout rivers simultaneously, and the mud can follow bottom plate 5 landing to the inside of sludge bucket 8, is taken out backward flow or directly discharges by the submerged pump 9 of sludge bucket 8 inside again, accomplishes the filtration flow of sewage.

In summary, the utility model provides an MBR membrane integrated device, in which an inclined bottom plate 5 is arranged in a box body 1 and matched with a sludge hopper 8 to realize automatic collection of sludge under the action of dead weight, so that the probability of accumulating sludge on the bottom plate 5 serving as a support of an MBR module is reduced, and the influence of sludge accumulation on filtration of the MBR module is avoided; the water distribution pipe 3 is arranged to realize the diversion of the inflow water, so that on one hand, the influence of the inflow water on the MBR membrane on the MBR module is reduced, the damage of membrane wires caused by inflow water is avoided, on the other hand, the inclined bottom plate 5 can be matched to further reduce the probability of accumulating the sludge on the bottom plate 5, the influence of the sludge on the MBR module is reduced, and the filtering stability of the whole machine is ensured; the popularization and application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. MBR membrane integrated device, including box (1), its characterized in that: a bottom plate (5) and a sludge bucket (8) are respectively arranged on two sides of the inner bottom surface of the box body (1), wherein an MBR membrane group is arranged on the bottom plate (5), and a submersible sewage pump (9) is arranged in the sludge bucket (8);

one end of the bottom plate (5) is in arc transition with the top edge of the adjacent sludge hopper (8), and the other end of the bottom plate (5) is inclined upwards;

the water distribution device is characterized in that a water inlet pipe (2) is arranged on the box body (1), one end of the water inlet pipe (2) extends to the upper side of the higher end of the bottom plate (5) and is communicated with the water distribution pipe (3), and a plurality of nozzles inclined towards the lower end of the bottom plate (5) are connected to the water distribution pipe (3).

2. The MBR membrane integrated device of claim 1, wherein: the bottom of the box body (1) is connected with a column base (4) and longitudinal support of the box body (1) is provided through the column base (4).

3. The MBR membrane integrated device of claim 1, wherein: the MBR membrane group comprises a membrane frame (6) provided with an MBR membrane, a backing plate (7) is arranged between the membrane frame (6) and the bottom plate (5) in a cushioning mode, and the backing plate (7) is used for providing longitudinal support for the membrane frame (6).

4. An MBR membrane integrated device according to claim 3, characterized in that: the film frame (6) is positioned and arranged on the guide rail (14), and the guide rail (14) is fixed in the box body (1).

5. An MBR membrane integrated device according to claim 3, characterized in that: the MBR membrane top is provided with air inlet (11) and produces mouth of a river (12), wherein air inlet (11) are connected with the air outlet of fan (10) through the tuber pipe, produce mouth of a river (12) and the mouth of drawing water of self priming pump (13) through the water pipe.

6. The MBR membrane integrated device of claim 1, wherein: the output port of the submersible sewage pump (9) is connected with a sewage drain pipe which is simultaneously communicated with a sludge return pipe and a sludge discharge pipe with valves.