CN215886514U

CN215886514U - Sewage treatment dual cycle membrane cleaning system

Info

Publication number: CN215886514U
Application number: CN202122404136.7U
Authority: CN
Inventors: 黄晶池; 董长飞; 王志强; 容海; 吴亚飞
Original assignee: Guangdong Lanyue Environmental Engineering Co ltd
Current assignee: Guangdong Lanyue Environmental Engineering Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-22
Anticipated expiration: 2031-09-30

Abstract

The application relates to the technical field of sewage treatment, specifically discloses a sewage treatment dual cycle membrane cleaning system, and its technical scheme main points are: including cistern, drainage tube and power spare, power spare be used for with during MBR bioreactor is carried to water in the cistern, power spare with drainage tube intercommunication, drainage tube's one end is inserted in the cistern, the other end and the fixed intercommunication of pipe wall that is close to MBR bioreactor in the drinking-water pipe. This application has the MBR membrane of washing, keeps sewage treatment efficiency's effect.

Description

Sewage treatment dual cycle membrane cleaning system

Technical Field

The application relates to the technical field of sewage treatment, in particular to a sewage treatment double-circulation membrane washing system.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage, is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and increasingly enters the daily life of common people, and the most widely adopted method in the sewage treatment is an activated sludge method and a derivative improvement process thereof.

In the related art, the activated sludge process needs to use a sewage sedimentation tank, a water pumping pipe, a water pump and an MBR (membrane bioreactor), wherein the MBR is used for separating the activated sludge adsorbed with organic pollutants in the sewage sedimentation tank from water, the MBR is immersed in the sewage sedimentation tank, and the upper end connector of the MBR is fixedly connected with the water pumping pipe. During sewage treatment, the suction pump is taken sewage out from the sewage sedimentation tank through the suction pipe, and when sewage passes through the MBR membrane, the MBR membrane blocks activated sludge in the sewage sedimentation tank.

In view of the above-mentioned related technologies, the inventor believes that after the MBR membrane is used for a long time, activated sludge and impurities adsorbed by the activated sludge accumulate on the membrane surface of the MBR membrane, which causes the membrane pores of the MBR membrane to be blocked, and thus the filtering efficiency of the MBR membrane is reduced, which results in a reduction in the efficiency of sewage treatment.

SUMMERY OF THE UTILITY MODEL

In order to maintain the efficiency of sewage treatment, the application provides a sewage treatment dual cycle membrane cleaning system.

The application provides a pair of sewage treatment dual cycle membrane cleaning system adopts following technical scheme:

the utility model provides a sewage treatment dual cycle membrane washing system, includes cistern, drainage pipeline and power spare, power spare with drainage pipeline intercommunication, drainage pipeline's one end is inserted in the cistern, the fixed intercommunication of the pipe wall that is close to MBR bioreactor in the other end and the drinking-water pipe, power spare be used for with water in the cistern passes through in the drainage pipeline carries the MBR bioreactor.

Through adopting above-mentioned technical scheme, the clear water of power spare in with the cistern passes through the drainage pipe and carries in the MBR bioreactor, and the clear water will adsorb activated sludge and the absorbent impurity of activated sludge on the MBR membrane when passing through the MBR membrane in the MBR bioreactor and break away, washs the MBR membrane to the filtration efficiency of MBR membrane when keeping sewage treatment, and then the efficiency when keeping sewage treatment.

Preferably, the drainage pipeline comprises a plurality of drainage tubes and a plurality of reversing tubes, and the plurality of drainage tubes are fixedly communicated with the plurality of reversing tubes end to end.

Through adopting above-mentioned technical scheme, the drainage tube is connected with the collocation of switching-over pipe, the installation of the drainage pipeline of being convenient for.

Preferably, the drainage tube is provided with a membrane washing control valve for opening and closing the drainage channel.

Through adopting above-mentioned technical scheme, wash membrane control valve and open and close drainage channel, be favorable to improving the convenience of membrane washing system.

Preferably, the wall of the reservoir is detachably connected with a supporting mechanism for fixing the drainage tube.

Through adopting above-mentioned technical scheme, be favorable to improving the stability of drainage tube in the cistern.

Preferably, the supporting mechanism includes a supporting plate, a supporting column and a fastening component for fixing the drainage tube, the supporting plate is detachably connected with the wall of the reservoir, and the supporting plate is fixedly connected with the supporting column.

Through adopting above-mentioned technical scheme, fastening components fixes the drainage tube on the support column, and the backup pad is fixed the pool wall at the cistern with the support column to make the drainage tube fix the pool wall at the cistern, and then improve the stability of drainage tube in the cistern.

Preferably, the fastening assembly comprises a clamping block and an elastic clamping strip, the clamping block deviates from the surface of the drainage pipeline and the supporting column is far away from the end face of the supporting plate, the clamping block is opposite to the two ends of the drainage tube, bulges are fixedly arranged at the two ends of the drainage tube, one of the bulges is fixedly connected with the end part of the elastic clamping strip, a clamping groove is formed in the other bulge, and a clamping part is fixedly arranged at the other end of the elastic clamping strip correspondingly.

Through adopting above-mentioned technical scheme, elasticity card strip one end is fixed with the fixture block, and elasticity card strip encircles around the drainage tube, then the joint portion of elasticity card strip other end and the protruding draw-in groove joint cooperation of seting up for the drainage tube is fixed between fixture block and elasticity card strip.

Preferably, the support plate is close to the vertical fixed screw thread post that is provided with of face of support column, just the support column is close to the terminal surface of support plate correspond seted up with screw thread post screw thread fit's connecting hole.

Through adopting above-mentioned technical scheme, when the drainage tube of changing different pipe diameters, the length of elasticity card strip needs corresponding change in the fastening components, this setting be convenient for with support column fixed connection's fastening components's replacement.

Preferably, the groove width of the clamping groove is equal to the width of the elastic clamping strip, and the width of the clamping portion is larger than the groove width of the clamping groove.

Through adopting above-mentioned technical scheme, the elasticity of being convenient for card strip slides from the notch of draw-in groove and gets into in the draw-in groove, realizes the activity joint of joint portion and draw-in groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up cistern, drainage tube and power spare, the MBR membrane in the MBR bioreactor is washed away in carrying the MBR bioreactor to the water in the cistern to the power spare for activated sludge and the absorbent impurity of activated sludge who adsorbs on the MBR membrane are washed away, thereby the filtration efficiency of MBR membrane when keeping sewage treatment, and then keep sewage treatment's efficiency.

2. Through setting up supporting mechanism, can fix the pool wall at the cistern with the drainage tube, be favorable to improving the stability of drainage tube in the cistern.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a dual-cycle membrane washing system according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a support mechanism according to an embodiment of the present application.

Description of reference numerals:

1. a reservoir; 2. a drainage conduit; 21. a drainage tube; 22. a reversing tube; 3. a membrane washing control valve; 4. a support mechanism; 41. a support plate; 411. a threaded post; 42. a support pillar; 43. a fastening assembly; 431. a clamping block; 4311. a protrusion; 4312. a card slot; 432. an elastic clamping strip; 4321. a clamping part; 5. a sewage sedimentation tank; 6. a water pumping pipe; 7. a first water pump; 8. an MBR membrane bioreactor; 9. a water pumping control valve; 10. and a second water pump.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses sewage treatment dual cycle membrane cleaning system, refer to fig. 1 for install in sewage filtration system, in this embodiment, sewage filtration system includes sewage sedimentation tank 5, drinking-water pipe 6, first suction pump 7 and MBR membrane bioreactor 8. Specifically, MBR membrane bioreactor 8 is immersed in sewage sedimentation tank 5 for with the activated sludge and the separation of water that adsorb organic pollutant in sewage sedimentation tank 5, MBR membrane bioreactor 8's upper end joint and the drinking-water pipe 6 intercommunication that is located subaerial, simultaneously, first suction pump 7 and drinking-water pipe 6 intercommunication. During sewage treatment, in the MBR bioreactor is taken out sewage from sewage sedimentation tank 5 to first suction pump 7, the MBR membrane in the MBR bioreactor blocks the activated sludge that has adsorbed organic pollutant in sewage sedimentation tank 5, lets clear water pass through the MBR membrane, takes out through suction pipe 6 again.

Referring to fig. 1, the pumping pipe 6 is provided with a pumping control valve 9 for controlling the opening and closing of the pipeline of the pumping pipe 6, and in the present embodiment, the pumping control valve 9 is preferably a plastic ball valve. Specifically, the plastic ball valve comprises a handle and a valve body, and the handle drives an opening and closing ball in the valve body to rotate by rotating the handle, so that opening and closing of the pumping pipe 6 pipeline are controlled.

Referring to fig. 1, the membrane washing system comprises a drainage pipeline 2 and a power piece, wherein one end of the drainage pipeline 2 is communicated with the wall of a water pumping pipe 6 close to an MBR bioreactor, and the power piece is communicated with the drainage pipeline 2. Specifically, the drainage pipeline 2 includes a plurality of drainage tubes 21 and a plurality of switching-over pipes 22, and in this embodiment, the power component can be set up to the second suction pump 10, and the drainage tube 21 sets up to rectangular shape plastics pipe, and the cross-section of switching-over pipe 22 is the setting of L shape, and a plurality of drainage tubes 21, a plurality of switching-over pipes 22 and second suction pump 10 cooperate the intercommunication end to end. Meanwhile, the drainage tube 21 is provided with a membrane washing control valve 3 for opening and closing the drainage channel, and in the present embodiment, the membrane washing control valve 3 is also preferably a plastic ball valve.

Referring to fig. 1, the membrane washing system further includes a reservoir 1 for providing a membrane washing water source, the reservoir 1 is disposed at one side of the sewage sedimentation tank 5, and an end portion of the drainage pipe 2 is inserted into the reservoir 1, in this embodiment, the reservoir 1 is disposed in a rectangular parallelepiped.

Referring to fig. 1 and 2, a supporting mechanism 4 for fixing the drainage tube 21 inserted into the water reservoir 1 in the water reservoir 1 is detachably connected to the wall of the water reservoir 1, and the supporting mechanism 4 includes a supporting plate 41, a supporting column 42 and a fastening assembly 43 for fixing the drainage tube 21, wherein the supporting plate 41 is detachably connected to the wall of the water reservoir 1, specifically, the supporting plate 41 is provided with a threaded hole, and the supporting plate 41 is fixed to the wall of the water reservoir 1 by a bolt in threaded fit with the threaded hole. In addition, the vertical fixed screw thread post 411 that is provided with of face that the backup pad 41 kept away from 1 pool wall of cistern, screw thread post 411 are cylindricly and set up with backup pad 41 integrated into one piece, and simultaneously, the terminal surface that support column 42 is close to backup pad 41 corresponds and offers the connecting hole with screw thread post 411 screw-thread fit, when changing drainage tube 21 and making the pipe diameter of drainage tube 21 change, the staff corresponding change support column 42 can.

Referring to fig. 2, the fastening assembly 43 includes a clamping block 431 and an elastic clamping strip 432, in this embodiment, the clamping block 431 is in a circular arc block shape, the elastic clamping strip 432 is an elastic rubber strip, specifically, a convex surface of the clamping block 431 is fixedly connected with an end surface of the support column 42 far away from the support plate 41, a concave surface of the clamping block 431 is abutted to a tube wall of the drainage tube 21, two end portions of the clamping block 431 opposite to the drainage tube 21 are both fixedly provided with a protrusion 4311, one of the protrusions 4311 is fixedly connected with one end portion of the elastic clamping strip 432, another protrusion 4311 is provided with a clamping groove 4312, and meanwhile, the other end portion of the elastic clamping strip 432 is provided with a clamping portion 4321 movably clamped with the clamping groove 4312. A worker abuts against the drainage tube 21 on the concave surface of the clamping block 431, then the elastic clamping strip 432 is wound around the tube wall of the drainage tube 21, finally the elastic clamping strip 432 slides into the clamping groove 4312, and the clamping part 4321 is in clamping fit with the clamping groove 4312, so that the drainage tube 21 is fixed in the clamping block 431 and the elastic clamping strip 432. In addition, drainage pipeline 2 is provided with a plurality of sets of supporting mechanism 4 along its length direction interval, and a plurality of sets of supporting mechanism 4 are used for supporting drainage pipeline 2.

The implementation principle of the sewage treatment dual cycle membrane cleaning system in the embodiment of the application is as follows: when needing to wash the MBR membrane in the MBR bioreactor, the staff closes first suction pump 7 and pump control valve 9 earlier, make sewage filtration system close, then open second suction pump 10 and wash membrane control valve 3, the water of second suction pump 10 in with cistern 1 is taken out to the MBR bioreactor through drainage tube 2, activated sludge that adsorbs organic pollutant on the MBR membrane washes the MBR membrane in rushing into sewage sedimentation tank 5, thereby the filtration efficiency of MBR membrane when keeping sewage treatment, and then efficiency when keeping sewage treatment.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sewage treatment dual cycle membrane cleaning system which characterized in that: including cistern (1), drainage tube (2) and power spare, power spare with drainage tube (2) intercommunication, the one end of drainage tube (2) is inserted in cistern (1), the fixed intercommunication of the pipe wall that is close to MBR bioreactor in the other end and drinking-water pipe (6), power spare be used for with water in cistern (1) passes through in drainage tube (2) carry the MBR bioreactor.

2. The sewage treatment dual-cycle membrane washing system of claim 1, wherein: the drainage pipeline (2) comprises a plurality of drainage tubes (21) and a plurality of reversing tubes (22), and the drainage tubes (21) are fixedly communicated with the reversing tubes (22) end to end.

3. The sewage treatment dual-cycle membrane washing system of claim 2, wherein: the drainage tube (21) is provided with a membrane washing control valve (3) for opening and closing the drainage pipeline.

4. The sewage treatment dual-cycle membrane washing system of claim 2, wherein: the wall of the water storage pool (1) is detachably connected with a supporting mechanism (4) used for fixing the drainage tube (21).

5. The sewage treatment dual-cycle membrane washing system of claim 4, wherein: the supporting mechanism (4) comprises a supporting plate (41), a supporting column (42) and a fastening assembly (43) for fixing the drainage tube (21), the supporting plate (41) is detachably connected with the wall of the water storage tank (1), and the supporting plate (41) is fixedly connected with the supporting column (42).

6. The sewage treatment dual-cycle membrane washing system of claim 5, wherein: fastening components (43) include fixture block (431) and elasticity card strip (432), fixture block (431) deviate from the surface of drainage tube (2) with support column (42) is kept away from the terminal surface fixed connection of backup pad (41), fixture block (431) are relative the both ends of drainage tube (21) all are fixed and are provided with arch (4311), one of them arch (4311) with the tip fixed connection of elasticity card strip (432), draw-in groove (4312) have been seted up to another arch (4311), the other end correspondence of elasticity card strip (432) is fixed and is provided with joint portion (4321).

7. The sewage treatment dual-cycle membrane washing system of claim 5, wherein: the face of backup pad (41) is close to support column (42) is vertical fixed to be provided with screw thread post (411), just support column (42) are close to the terminal surface of backup pad (41) correspond seted up with screw thread post (411) screw-thread fit's connecting hole.

8. The sewage treatment dual-cycle membrane washing system of claim 6, wherein: the groove width of the clamping groove (4312) is equal to the width of the elastic clamping strip (432), and the width of the clamping part (4321) is larger than the groove width of the clamping groove (4312).