CN214611747U

CN214611747U - MBR membrane group ware

Info

Publication number: CN214611747U
Application number: CN202023290274.9U
Authority: CN
Inventors: 尤健明; 周慧亮; 王伟; 潘秋燕
Original assignee: Zhejiang Jeffel Environmental Science And Technology Co ltd
Current assignee: Zhejiang Jeffel Environmental Science And Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-05
Anticipated expiration: 2030-12-30

Abstract

An MBR membrane group device belongs to the technical field of sewage treatment equipment and comprises a membrane, a membrane frame and bolts, wherein the membrane is arranged in the membrane frame and comprises a vertically arranged fiber membrane and horizontally arranged water collecting pipes arranged at the upper end and the lower end of the fiber membrane; the two ends of the water collecting pipe are respectively provided with a socket and a screw joint; the screw joint is provided with a vertically arranged threaded hole; the membrane frame is a cuboid frame, and two sides of the membrane frame are respectively provided with a membrane positioning tube and a membrane supporting tube which are horizontally and parallelly arranged; the inner side surface of the diaphragm positioning pipe is fixedly provided with a bearing port; the socket is plugged in the socket; the membrane supporting tube is provided with a through hole which is vertically arranged; and the bolt penetrates through the threaded hole and the through hole and is in threaded connection with a nut. The utility model provides a MBR membrane group ware, mainly through changing the connection mode of diaphragm collecting pipe structure and change collector pipe and diaphragm stay tube, the diaphragm structure through bolt fastening is more firm.

Description

MBR membrane group ware

Technical Field

The utility model belongs to the technical field of sewage treatment device, concretely relates to is a MBR membrane group ware.

Background

MBR (membrane bioreactor, MBR for short) technology is adopted, and is a new technology combining biological treatment technology and membrane separation technology, and MBR membrane process sewage treatment equipment is industrial equipment capable of effectively treating urban domestic sewage, industrial wastewater and the like.

In the process of using MBR to treat sewage, due to the particularity of MBR membranes, continuous aeration needs to be carried out on the MBR membranes to ensure long-acting stable operation. In the conventional technology, the aeration process has at least the following disadvantages:

the existing hollow fiber curtain type membrane assembly water collecting pipe and the diaphragm fixing pipe are integrally connected in a quick-inserting structure, in order to limit the diaphragm water collecting pipe and the diaphragm fixing pipe on a horizontal shaft, a positioning pin radially penetrates through the diaphragm fixing pipe and then is inserted into the diaphragm water collecting pipe, the diaphragm fixing pipe is fixedly connected in a clearance fit mode, a round boss is arranged at one end, close to the positioning pin, of the diaphragm fixing pipe to prevent a bolt from falling off, in order to guarantee that the diaphragm water collecting pipe and the diaphragm fixing pipe are more accurately limited, a through hole of 8mm is formed in the middle of the positioning pin, a T-shaped error pin is inserted into the positioning pin hole after the positioning pin is inserted, and a groove in the middle of the error pin is blocked by a sealing ring to prevent the pin from falling off during transportation shaking; the upper end and the lower end of the membrane component water collecting pipe are connected with the frame by adopting a quick-inserting structure. But the locating pin is through clearance fit fixed connection, and long-term use or receive external force can become flexible, drop, influence the collector pipe and mould a structural stability, lead to the diaphragm to drop.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a MBR membrane group ware.

In order to achieve the above purpose, the present invention adopts the following technical solution.

An MBR membrane group device comprises a membrane, a membrane frame and a bolt, wherein the membrane is arranged in the membrane frame and comprises a vertically arranged fiber membrane and horizontally arranged water collecting pipes arranged at the upper end and the lower end of the fiber membrane; the two ends of the water collecting pipe are respectively provided with a socket and a screw joint; the screw joint is provided with a vertically arranged threaded hole; the membrane frame is a cuboid frame, and two sides of the membrane frame are respectively provided with a membrane positioning tube and a membrane supporting tube which are horizontally and parallelly arranged; the inner side surface of the diaphragm positioning pipe is fixedly provided with a bearing port; the socket is plugged in the socket; the membrane supporting tube is provided with a through hole which is vertically arranged; and the bolt penetrates through the threaded hole and the through hole and is in threaded connection with a nut.

The membrane is a curtain type hollow fiber MBR membrane; the adjacent diaphragms are parallel and arranged in a gap.

The screw joint is provided with a first air hole which is vertically arranged and is communicated up and down; the first air holes surround the threaded holes, and adjacent first air holes are separated by a partition plate.

The screw joint is provided with a second air hole which is vertically arranged and is communicated up and down; the second air hole is positioned at the outer side of the fiber membrane and at the inner side of the first air hole.

An MBR membrane group device, further comprising an aeration interface and an aeration main pipe; the top end of the aeration main pipe is fixedly provided with an aeration interface, and the bottom end of the aeration main pipe penetrates through the membrane positioning pipe and is connected with an aeration branch pipe; the aeration branch pipes are arranged between the adjacent membranes, and the aeration branch pipes are provided with aeration holes.

The aeration interface is an aeration flange or an aeration threaded joint.

The utility model provides a MBR membrane group ware, mainly through changing the connection mode of diaphragm collecting pipe structure and change collector pipe and diaphragm stay tube, fixes the collector pipe on the diaphragm stay tube with the bolt, then screws up the bolt bottom with the nut, and the diaphragm structure through the bolt fastening is more firm.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of a diaphragm;

FIG. 3 is a schematic top view of the screw joint;

in the figure, a membrane 100, a fiber membrane 110, a water collecting pipe 120, a plug port 121, a screw joint 122, a threaded hole 123, a first air hole 124, a partition plate 125, a second air hole 126, a membrane frame 200, a membrane positioning pipe 210, a socket 211, a membrane supporting pipe 220, a through hole 221, a bolt 300, a nut 301, an aeration main pipe 400 and an aeration interface 401.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

An MBR membrane group device comprises a membrane 100, a membrane frame 200, a bolt 300, an aeration interface 401 and an aeration main pipe 400.

The membrane 100 comprises a vertically arranged fiber membrane 110 and horizontally arranged water collecting pipes 120 arranged at the upper end and the lower end of the fiber membrane 110; the two ends of the water collecting pipe 120 are respectively provided with a socket 121 and a screw joint 122; the screw joint 122 is provided with a vertically arranged screw hole 123.

Further, the screw joint 122 is provided with a first air hole 124 which is vertically arranged and is vertically communicated; the first air holes 124 surround the threaded holes 123, and adjacent first air holes 124 are separated by a partition plate 125. One end of the partition 125 is fixedly installed on the inner wall of the screw joint 122, and the other end is fixedly installed on the outer wall of the screw joint 122.

The screw joint 122 is provided with a second air hole 126 which is vertically arranged and is communicated up and down; the second air holes 126 are located outside the fiber membranes 110 and inside the first air holes 124.

The first air hole 124 and the second air hole 126 function as: 1, the cushioning effect, such structure is still more flexible when guaranteeing intensity, plays the effect of filtering vibrations, protection diaphragm main part. 2, exhausting, and when aerating, the rising air bubbles can be discharged through the first air holes 124 and the second air holes 126, so that the acting force of the air bubbles on the water collecting pipe is reduced.

The membrane 100 is mounted in a membrane holder 200. Further, the membrane frame 200 is a rectangular frame, and two sides of the membrane frame 200 are respectively provided with a membrane positioning tube 210 and a membrane supporting tube 220 which are horizontally and parallelly arranged; the inner side surface of the membrane positioning tube 210 is fixedly provided with a socket 211; the socket 121 is inserted into the socket 211; the membrane supporting tube 220 is provided with a through hole 221 which is vertically arranged; the bolt 300 is threaded with a nut 301 after passing through the threaded hole 123 and the through hole 221.

The membrane 100 is a curtain type hollow fiber MBR membrane; adjacent diaphragms 100 are parallel and spaced apart.

The top end of the main aeration pipe 400 is fixedly provided with an aeration connector 401, and the bottom end of the main aeration pipe penetrates through the membrane positioning pipe 210 and is connected with an aeration branch pipe; the aeration branch pipes are arranged between the adjacent membranes 100, and are provided with aeration holes.

The aeration interface 401 is an aeration flange or an aeration threaded joint.

When the device works, the aeration branch pipe discharges micro bubbles into the membrane bioreactor, so that MBR membranes, pollutants and air are in mutual sufficient contact, and the purpose of purifying sewage is achieved.

The shaking and swinging of the device in the transportation process applies pre-tightening force through the bolts, and the bolt connection has the advantages of simple construction, good stress performance, detachability and the like, so that the diaphragm water collecting pipe can be more stable, and the diaphragm is not easy to loosen and fall off; under operating condition, diaphragm and diaphragm stay tube effort increase, the assembly method structure of this design is more stable, and the bearing capacity of collector pipe is bigger, and the diaphragm is spacing more accurate, increase of service life to installation, dismantlement convenience can realize quick installation, save time and manpower.

The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention.

Claims

1. An MBR membrane group device comprises a membrane (100), a membrane frame (200) and a bolt (300), wherein the membrane (100) is installed in the membrane frame (200), and is characterized in that the membrane (100) comprises a vertically arranged fiber membrane (110) and water collecting pipes (120) which are horizontally arranged and arranged at the upper end and the lower end of the fiber membrane (110); the two ends of the water collecting pipe (120) are respectively provided with an inserting port (121) and a screw joint (122); the screw joint (122) is provided with a vertically arranged threaded hole (123); the membrane frame (200) is a cuboid frame, and both sides of the membrane frame (200) are respectively provided with a membrane positioning tube (210) and a membrane supporting tube (220) which are horizontally and parallelly arranged; a bearing port (211) is fixedly arranged on the inner side surface of the membrane positioning pipe (210); the inserting port (121) is inserted into the bearing port (211); the membrane supporting tube (220) is provided with a through hole (221) which is vertically arranged; the bolt (300) penetrates through the threaded hole (123) and the through hole (221) and is connected with a nut (301) in a threaded mode.

2. The MBR membrane module according to claim 1, wherein the membrane (100) is a curtain hollow fiber MBR membrane; the adjacent membranes (100) are arranged in parallel with a gap.

3. The MBR membrane module according to claim 1, wherein the screw joint (122) is provided with a first air hole (124) which is vertically arranged and vertically penetrates through; the first air holes (124) surround the threaded holes (123), and adjacent first air holes (124) are separated by a partition plate (125).

4. The MBR membrane module according to claim 1, wherein the screw joint (122) is provided with a second air hole (126) which is vertically arranged and vertically penetrates through; the second air hole (126) is positioned outside the fiber membrane (110) and inside the first air hole (124).

5. The MBR membrane module according to claim 1, further comprising an aeration interface (401) and an aeration main (400); the top end of the main aeration pipe (400) is fixedly provided with an aeration interface (401), and the bottom end of the main aeration pipe penetrates through the membrane positioning pipe (210) and is connected with an aeration branch pipe; the aeration branch pipes are arranged between the adjacent membranes (100), and are provided with aeration holes.

6. The MBR membrane module according to claim 5, wherein the aeration interface (401) is an aeration flange or an aeration threaded joint.