CN220926452U

CN220926452U - MBR membrane bioreactor

Info

Publication number: CN220926452U
Application number: CN202322771996.3U
Authority: CN
Inventors: 张守健; 赵建光; 刘通; 沈苏; 王赓
Original assignee: Shandong Zhongkehengyuan Environmental Engineering Co ltd
Current assignee: Shandong Zhongkehengyuan Environmental Engineering Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-10
Anticipated expiration: 2033-10-17

Abstract

The utility model provides an MBR membrane bioreactor. The MBR membrane bioreactor comprises an MBR membrane bioreactor body comprising a reaction container, wherein one side of the reaction container is provided with a liquid inlet pipe; the box body is fixedly arranged on the liquid inlet pipe, and the top of the box body is provided with a mounting opening; the cover plate is arranged at the top of the box body, and a through pipe for liquid inlet is fixedly arranged on the cover plate; the net frame is fixedly arranged at the bottom of the cover plate, is positioned in the mounting opening and is contacted with the inner wall of the box body. The MBR membrane bioreactor provided by the utility model has the advantages of effectively reducing the cleaning times of the reaction vessel in long-term use, along with simpler operation and better use effect.

Description

MBR membrane bioreactor

Technical Field

The utility model relates to the technical field of water treatment equipment, in particular to an MBR (Membrane bioreactor).

Background

The MBR membrane bioreactor is a novel wastewater treatment system which organically combines a membrane separation technology and a biological treatment technology.

Through retrieving, the authorized bulletin number is CN 214360498U's an MBR membrane bioreactor, its structure includes reaction vessel, reaction vessel lid, MBR membrane, liquid suction tube and MBR membrane surface brush, and the MBR membrane surface brush is a plurality of, a plurality of the MBR membrane surface brush divide the set up in only the liquid level of MBR membrane, the one end of MBR membrane surface brush is fixed in on the drive arrangement, the structure of MBR membrane is annular structure, the drive arrangement drive the MBR membrane surface brush winds the lateral wall annular motion of MBR membrane, the fixed feed liquor pipe that sets up in upper end one side of reaction vessel. Compared with the prior art, the utility model greatly increases the filtering area by arranging the annular MBR membrane, improves the filtering efficiency, and is provided with the membrane surface brush to continuously brush the surface of the membrane, so that attachments on the surface of the membrane fall off, thereby reducing maintenance, being not easy to block, relieving manual maintenance, saving time and labor and having popularization and application values.

However, when the MBR membrane bioreactor is used for treating sewage, a great amount of filtered attachments are accumulated in the reaction vessel, and the interior of the reaction vessel is cleaned by frequently opening the cover body, so that a great amount of time and physical strength are consumed in each cleaning operation due to the complex internal structure of the reaction vessel, and therefore, in order to reduce the cleaning times of the interior of the reaction vessel, a new MBR membrane bioreactor is needed to solve the technical problems.

Disclosure of utility model

The utility model provides an MBR membrane bioreactor, which aims to solve the technical problem that an existing MBR membrane bioreactor needs to manually open a cover body frequently to clean the inside of a reaction container.

The MBR membrane bioreactor provided by the utility model comprises the following components: an MBR membrane bioreactor body comprising a reaction vessel, wherein one side of the reaction vessel is provided with a liquid inlet pipe; the box body is fixedly arranged on the liquid inlet pipe, and the top of the box body is provided with a mounting opening; the cover plate is arranged at the top of the box body, and a through pipe for liquid inlet is fixedly arranged on the cover plate; the net frame is fixedly arranged at the bottom of the cover plate, is positioned in the mounting opening and is contacted with the inner wall of the box body; the transverse plate is arranged on the inner wall of the bottom of the box body, and a plurality of sedimentation plates are fixedly arranged at the top of the transverse plate; the lifting mechanism is arranged on the box body and used for lifting the screen frame; and the moving mechanism is arranged on the box body and used for moving the transverse plate.

Preferably, the lifting mechanism comprises a vertical plate, a screw rod, a first servo motor and a connecting block, wherein the vertical plate is fixedly arranged at the top of the box body, a chute is formed in one side of the vertical plate, the screw rod is rotatably arranged on the inner walls of two sides of the chute, the top end of the screw rod extends to the upper side of the vertical plate, the first servo motor is fixedly arranged at the top of the vertical plate, an output shaft of the first servo motor is fixedly connected with the top end of the screw rod, the connecting block is threadedly arranged on the screw rod, the connecting block is slidably connected with the inner wall of the chute, and the bottom of the connecting block is fixedly connected with the top of the cover plate.

Preferably, the moving mechanism comprises a screw rod and a second servo motor, the screw rod is rotatably mounted on the inner wall of one side of the box body, one end of the screw rod extends to the outside of the box body, the screw rod is in threaded connection with the transverse plate, the second servo motor is fixedly mounted on one side of the box body, and an output shaft of the second servo motor is fixedly connected with one end of the screw rod.

Preferably, two convex grooves are formed in the bottom of the transverse plate, sliding strips are slidably mounted on the inner walls of the two convex grooves, and the bottoms of the two sliding strips are fixedly connected with the inner wall of the bottom of the box body.

Preferably, a limit rod is fixedly arranged at the top of the box body, the limit rod is in sliding connection with the cover plate, one end of the limit rod is fixedly connected with the vertical plate, and the limit rod is arranged in an L shape.

Preferably, two reversing switches are fixedly arranged on one side of the box body, a fetching port is formed in one side of the box body, and a sealing door is arranged on the fetching port.

Preferably, a sealing ring is arranged at the top of the box body, and the sealing ring is contacted with the bottom of the cover plate.

Compared with the related art, the MBR membrane bioreactor provided by the utility model has the following beneficial effects:

The utility model provides an MBR membrane bioreactor, which comprises a main body part of the MBR membrane bioreactor in the prior art, wherein a reaction container and a liquid inlet pipe are used for forming the main body part of the MBR membrane bioreactor, sewage can be discharged into a box body for pretreatment through a through pipe on a cover plate, most of attachments in the sewage can be intercepted through a net frame, the settled contaminants can be prevented from being rolled up again by water flow through a plurality of inclined sedimentation plates, attachments entering the reaction container can be reduced, the cleaning times of the reaction container in long-term use can be effectively reduced, the use effect is better, the net frame can be conveniently and manually moved out of the box body for cleaning through a lifting mechanism, the plurality of sedimentation plates can be conveniently and manually moved out of the box body for cleaning through a moving mechanism, the cleaning is more convenient and quick, the operation is more convenient, the control operation of a first servo motor and a second servo motor can be conveniently and manually performed through two reversing switches, and the stability of the cover plate in vertical movement can be improved through a limiting rod.

Drawings

FIG. 1 is a schematic cross-sectional view of a preferred embodiment of an MBR membrane bioreactor according to the present utility model;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion B shown in FIG. 1;

FIG. 4 is a schematic diagram of a rear view of the housing and the second servomotor of the present utility model;

FIG. 5 is a schematic perspective view of a frame in the present utility model;

Fig. 6 is a schematic perspective view of the case, the sealing door and the reversing switch according to the present utility model.

Reference numerals in the drawings: 1. a reaction vessel; 2. a liquid inlet pipe; 3. a case; 4. a cover plate; 5. a screen frame; 6. a cross plate; 7. a precipitation plate; 8. a riser; 9. a screw; 10. a first servo motor; 11. a connecting block; 12. a screw rod; 13. a second servo motor; 14. a sliding bar; 15. a limit rod; 16. a reversing switch; 17. sealing the door; 18. and (3) sealing rings.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-6 in combination, fig. 1 is a schematic cross-sectional structure diagram of a preferred embodiment of an MBR membrane bioreactor according to the present utility model; FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1; FIG. 3 is an enlarged schematic view of portion B shown in FIG. 1; FIG. 4 is a schematic diagram of a rear view of the housing and the second servomotor of the present utility model; FIG. 5 is a schematic perspective view of a frame in the present utility model; fig. 6 is a schematic perspective view of the case, the sealing door and the reversing switch according to the present utility model. The MBR membrane bioreactor comprises: the MBR membrane bioreactor comprises an MBR membrane bioreactor body comprising a reaction container 1, wherein a liquid inlet pipe 2 is arranged at one side of the reaction container 1; the box body 3 is fixedly arranged on the liquid inlet pipe 2, and an installation opening is formed in the top of the box body 3; the cover plate 4 is arranged at the top of the box body 3, and a through pipe for liquid inlet is fixedly arranged on the cover plate 4; the net frame 5 is fixedly arranged at the bottom of the cover plate 4, the net frame 5 is positioned in the mounting opening, and the net frame 5 is in contact with the inner wall of the box body 3; the transverse plate 6 is arranged on the inner wall of the bottom of the box body 3, and a plurality of sedimentation plates 7 are fixedly arranged at the top of the transverse plate 6; the lifting mechanism is arranged on the box body 3 and is used for lifting the screen frame 5; the moving mechanism is arranged on the box body 3 and is used for moving the transverse plate 6, the main body part of the MBR membrane bioreactor in the prior art is formed by the reaction container 1 and the liquid inlet pipe 2, sewage can be discharged into the box body 3 for pretreatment through the through pipe on the cover plate 4, most of attachments in the sewage can be intercepted through the net frame 5, the settled pollutants can be prevented from being reeled up by water flow through the sedimentation plates 7 which are obliquely arranged, and therefore attachments in the reaction container 1 can be reduced, the cleaning times of the reaction container 1 in long-term use can be effectively reduced, and the use effect is good.

The lifting mechanism comprises a vertical plate 8, a screw rod 9, a first servo motor 10 and a connecting block 11, wherein the vertical plate 8 is fixedly installed at the top of the box body 3, a chute is formed in one side of the vertical plate 8, the screw rod 9 is rotatably installed on the inner walls of two sides of the chute, the top end of the screw rod 9 extends to the upper side of the vertical plate 8, the first servo motor 10 is fixedly installed at the top of the vertical plate 8, an output shaft of the first servo motor 10 is fixedly connected with the top end of the screw rod 9, the connecting block 11 is in threaded connection with the screw rod 9, the connecting block 11 is in sliding connection with the inner wall of the chute, the bottom of the connecting block 11 is fixedly connected with the top of the cover plate 4, and the net frame 5 can be conveniently and manually moved out of the box body 3 to clean the outside through the lifting mechanism, so that cleaning is convenient and fast.

The moving mechanism comprises a screw rod 12 and a second servo motor 13, the screw rod 12 is rotatably installed on the inner wall of one side of the box body 3, one end of the screw rod 12 extends to the outside of the box body 3, the screw rod 12 is in threaded connection with the transverse plate 6, the second servo motor 13 is fixedly installed on one side of the box body 3, an output shaft of the second servo motor 13 is fixedly connected with one end of the screw rod 12, and a plurality of sedimentation plates 7 can be conveniently and manually moved out to the outside of the box body 3 for cleaning through the moving mechanism, so that the cleaning is convenient and fast.

Two convex grooves are formed in the bottom of the transverse plate 6, sliding strips 14 are slidably mounted on the inner walls of the convex grooves, the bottoms of the sliding strips 14 are fixedly connected with the inner walls of the bottom of the box body 3, and the transverse plate 6 can be more stable in horizontal movement through the two sliding strips 14.

The top fixed mounting of box 3 has gag lever post 15, gag lever post 15 with apron 4 sliding connection, the one end of gag lever post 15 with riser 8 fixed connection, gag lever post 15 sets up at the L type, can improve the stability of apron 4 in vertical movement through gag lever post 15.

Two reversing switches 16 are fixedly arranged on one side of the box body 3, a fetching port is formed in one side of the box body 3, a sealing door 17 is arranged on the fetching port, and the first servo motor 10 and the second servo motor 13 can be controlled and operated conveniently and manually through the two reversing switches 16.

The top of the box body 3 is provided with a sealing ring 18, and the sealing ring 18 is contacted with the bottom of the cover plate 4.

It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.

The working principle of the MBR membrane bioreactor provided by the utility model is as follows:

When the sewage treatment device is used, sewage enters the box body 3 from the through pipe on the cover plate 4, the sewage can fall to the bottom of the box body 3 after being filtered by the screen frame 5, the screen frame 5 can intercept most attachments in the sewage, then the water level in the box body 3 can be continuously raised, sediment in the sewage and solid pollutants with higher density sink, finally the sediment is deposited among the plurality of sedimentation plates 7, the sedimentation plates 7 which are obliquely arranged prevent the sediment from being rolled up again by water flow, then the sewage can enter the MBR membrane bioreactor body containing the reaction vessel 1 from the liquid inlet pipe 2 for filtering treatment, and at the moment, the number of cleaning times of the reaction vessel 1 in long-term use can be effectively reduced due to fewer attachments of the sewage, and the use effect is better;

When sewage is treated, the MBR membrane bioreactor body comprising the reaction vessel 1 is pumped by a suction pump connected with a liquid suction pipe, and the MBR membrane is in a ring shape, so that the filtering area is very large, and is double-layer double-sided filtering, the filtering area of the MBR membrane is further enlarged, in the filtering process, substances which are similar to sediment, fiber and the like and cannot be filtered are easily adsorbed on the surface of the MBR membrane, so that the filtering efficiency is reduced, frequent maintenance and the like are required, therefore, the spindle is driven to rotate by the driving motor, the spindle is driven to drive the surface brush fixing bracket to rotate by the driving motor, and the MBR membrane surface brush arranged on the surface brush fixing bracket is continuously brushed on the surface of the MBR membrane, so that attachments on the surface of the MBR membrane are separated in time, the blocking of the MBR membrane is reduced, the filtering efficiency of the MBR membrane is improved, the maintenance time is shortened, and after a certain time, the concentration in the reaction vessel is too high, the cover body of the reaction vessel is opened for internal cleaning and maintenance;

When the attachments in the net frame 5 need to be cleaned, the first servo motor 10 is started to drive the screw rod 9 to rotate, the screw rod 9 can drive the connecting block 11 to vertically move, the connecting block 11 can drive the cover plate 4 to vertically slide on the limiting rod 15, the cover plate 4 can drive the net frame 5 to vertically move until the net frame 5 is completely separated from the box body 3, the attachments in the net frame 5 can be conveniently cleaned manually after the detachment, when the pollutants among the plurality of sedimentation plates 7 need to be cleaned, the sealing door 17 is firstly opened, after the sealing door is opened, the second servo motor 13 is started, the second servo motor 13 can drive the screw rod 12 to rotate, the screw rod 12 can drive the transverse plate 6 to horizontally move on the two sliding strips 14, the transverse plate 6 can be moved to the outside of the box body 3 from the object taking opening, and when the position of the transverse plate 6 is positioned outside the box body 3, the pollutants among the plurality of sedimentation plates 7 can be cleaned manually and easily, the cleaning is convenient, and the operation is convenient.

The utility model provides an MBR membrane bioreactor, which comprises a main body part of the MBR membrane bioreactor in the prior art, wherein a reaction container 1 and a liquid inlet pipe 2 are used for forming the main body part of the MBR membrane bioreactor, sewage can be discharged into a box body 3 for pretreatment through a through pipe on a cover plate 4, most of attachments in the sewage can be intercepted through a net frame 5, the settled contaminants can be prevented from being reeled up again by water flow through a plurality of inclined sedimentation plates 7, attachments entering the reaction container 1 can be reduced, the cleaning times of the reaction container 1 in long-term use can be effectively reduced, the use effect is good, the net frame 5 can be conveniently and manually moved out of the box body 3 for cleaning through a lifting mechanism, the plurality of sedimentation plates 7 can be conveniently and manually moved out of the box body 3 for cleaning through a moving mechanism, the cleaning is convenient and quick, the operation is convenient, the first servo motor 10 and the second servo motor 13 can be conveniently controlled and operated through two reversing switches 16, and the stability of the cover plate 4 in vertical movement can be improved through a limiting rod 15.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An MBR membrane bioreactor, comprising:

An MBR membrane bioreactor body comprising a reaction vessel, wherein one side of the reaction vessel is provided with a liquid inlet pipe;

The box body is fixedly arranged on the liquid inlet pipe, and the top of the box body is provided with a mounting opening;

The cover plate is arranged at the top of the box body, and a through pipe for liquid inlet is fixedly arranged on the cover plate;

The net frame is fixedly arranged at the bottom of the cover plate, is positioned in the mounting opening and is contacted with the inner wall of the box body;

The transverse plate is arranged on the inner wall of the bottom of the box body, and a plurality of sedimentation plates are fixedly arranged at the top of the transverse plate;

The lifting mechanism is arranged on the box body and used for lifting the screen frame;

And the moving mechanism is arranged on the box body and used for moving the transverse plate.

2. The MBR membrane bioreactor of claim 1, wherein the lifting mechanism comprises a vertical plate, a screw rod, a first servo motor and a connecting block, the vertical plate is fixedly installed at the top of the box body, a chute is formed in one side of the vertical plate, the screw rod is rotatably installed on two side inner walls of the chute, the top end of the screw rod extends to the upper side of the vertical plate, the first servo motor is fixedly installed at the top of the vertical plate, an output shaft of the first servo motor is fixedly connected with the top end of the screw rod, the connecting block is installed on the screw rod in a threaded mode, the connecting block is in sliding connection with the inner wall of the chute, and the bottom of the connecting block is fixedly connected with the top of the cover plate.

3. The MBR membrane bioreactor of claim 1, wherein the moving mechanism comprises a screw rod and a second servo motor, the screw rod is rotatably mounted on an inner wall of one side of the box body, one end of the screw rod extends to the outside of the box body, the screw rod is in threaded connection with the transverse plate, the second servo motor is fixedly mounted on one side of the box body, and an output shaft of the second servo motor is fixedly connected with one end of the screw rod.

4. The MBR membrane bioreactor of claim 1, wherein two convex grooves are formed in the bottom of the transverse plate, sliding strips are slidably mounted on the inner walls of the two convex grooves, and the bottoms of the two sliding strips are fixedly connected with the inner walls of the bottom of the box body.

5. The MBR membrane bioreactor of claim 2, wherein a limit rod is fixedly arranged at the top of the tank body, the limit rod is in sliding connection with the cover plate, one end of the limit rod is fixedly connected with the vertical plate, and the limit rod is arranged in an L shape.

6. The MBR membrane bioreactor of claim 1, wherein two reversing switches are fixedly arranged on one side of the tank body, a material taking port is formed on one side of the tank body, and a sealing door is arranged on the material taking port.

7. The MBR membrane bioreactor of claim 1, wherein a sealing ring is arranged at the top of the tank body, and the sealing ring is in contact with the bottom of the cover plate.