CN210126717U

CN210126717U - Membrane frame device with MBR (membrane bioreactor) membrane easy to disassemble, assemble and clean

Info

Publication number: CN210126717U
Application number: CN201921097126.XU
Authority: CN
Inventors: 宋绍男; 魏晓龙
Original assignee: Qinhuangdao Sponge Environmental Protection Equipment Co Ltd
Current assignee: Qinhuangdao Sponge Environmental Protection Equipment Co Ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-03-06
Anticipated expiration: 2029-07-13

Abstract

The utility model aims at solving the problem that the whole membrane frame needs to be lifted out of a membrane pool when a membrane curtain is cleaned in the prior art, and provides a membrane frame device with easily disassembled, assembled and cleaned MBR membranes, which comprises a membrane frame, a water passing pipe and a water collecting pipe, wherein the membrane curtain is connected with the left side and the right side of the membrane frame in a vertically sliding or up-and-down moving way through two ends of the membrane curtain, at least one water collecting pipe is fixedly arranged on the left side and the right side of the membrane frame respectively, the length direction of the water collecting pipe is arranged along the front and back direction of the membrane frame, water collecting holes corresponding to the positions of the membrane curtains are arranged on the pipe wall of the; the water collecting hole and the membrane curtain water outlet hole which are connected by the water passing pipe and correspond to each other are arranged at the two ends of the water passing pipe towards the same side and correspond to the water collecting hole and the membrane curtain water outlet hole respectively, and the two ends of the water passing pipe are correspondingly inserted into the membrane curtain water outlet hole and the water collecting hole, so that the actions of installing and disassembling the water passing pipe can be simplified.

Description

Membrane frame device with MBR (membrane bioreactor) membrane easy to disassemble, assemble and clean

Technical Field

The utility model relates to a MBR membrane separation sewage treatment technical field, in particular to abluent membrane frame device of easy dismouting of MBR membrane.

Background

The MBR membrane separation technology is organically combined with the traditional wastewater biological treatment technology, so that the solid-liquid separation efficiency is greatly improved, and in order to facilitate industrial production and installation and improve the working efficiency of the MBR membrane, the MBR membrane is usually assembled in a basic unit device in a certain form, the device is called a membrane module, and five membrane module forms are commonly used in the industry: plate frame, spiral wound, round tube, hollow fiber, and capillary. Taking a circular tube type membrane module as an example, as shown in fig. 1, the membrane module is also called a membrane curtain 70 or a curtain membrane, and includes a rectangular membrane curtain frame 71 and a plurality of tubular MBR membranes 72, and membrane curtain water outlet holes 73 communicating with the tubular MBR membranes 72 are respectively provided at the top of the left and right sides of the membrane curtain frame 71. In use, a plurality of membrane curtains are mounted on a membrane rack, and the entire membrane rack is immersed in a membrane tank. The MBR can scale due to long-term use, the MBR membrane flux is often reduced due to factors such as microorganisms, the membrane is required to be cleaned and soaked by acid and alkali regularly, and therefore stable and efficient operation of the system is guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a abluent membrane frame device of easy dismouting of MBR membrane to wash the problem that the membrane curtain need hang whole membrane frame out of membrane cisterna among the prior art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a membrane frame device for MBR membranes easy to disassemble, assemble and clean comprises a membrane frame, a water passing pipe and water collecting pipes, wherein membrane curtains are connected with the left side and the right side of the membrane frame in a vertically sliding or up-and-down moving mode through two ends of the membrane curtains; the water collecting hole and the membrane curtain water outlet hole which are connected by the water passing pipe are corresponding, the two ends of the water passing pipe face to the same side and correspond to the water collecting hole and the membrane curtain water outlet hole respectively, and the two ends of the water passing pipe are correspondingly inserted into the membrane curtain water outlet hole and the water collecting hole.

Preferably, the film frame is detachably and fixedly connected with a pressing plate, the water passing pipe is abutted to the pressing plate and is positioned between the pressing plate and the film frame, and the water passing pipe is a U-shaped pipe.

Preferably, the pressure plate is fixedly connected through a connecting bolt and a connecting nut.

Preferably, each water pipe is fixedly connected with the pressure plate on the corresponding side.

Preferably, both ends of the water passing pipe are respectively provided with a sealing ring.

Preferably, still include the wash pipe with membrane frame sliding connection, the wash pipe sets up in the rear side and/or the front side of membrane frame, and the one side that the wash pipe faced the membrane curtain is provided with a plurality of bath shower nozzles, is provided with the bath import that is used for communicateing the water source on the wash pipe.

Preferably, the two ends of the flushing pipe are respectively and fixedly connected with a pipe seat, the film frame is fixedly connected with a sliding rail matched with the pipe seat, and the pipe seat is connected to the sliding rail in a sliding manner.

Preferably, two or more flushing pipes are provided, and the flushing pipes are communicated with each other.

The utility model discloses following beneficial effect has:

the membrane frame device with the structure of the utility model is provided with the water collecting holes which are in one-to-one correspondence with the membrane curtains on the pipe wall of the water collecting pipe, the water collecting holes and the adjacent membrane curtain water outlet holes on the membrane curtains face to the same side, the water pipe which is respectively inserted into the water collecting holes and the membrane curtain water outlet holes and is in sealing connection with the water collecting holes and the membrane curtain water outlet holes through two ends respectively is communicated with the water collecting holes and the membrane curtain water outlet holes, the two ends of the water pipe face to the same side, the water pipe can be inserted or pulled out only once, the membrane curtains and the water pipe can be installed or dismantled, thereby the membrane curtains are installed on the membrane frame or the membrane curtains are detached from the membrane frame, in addition, the process, the positions of the membrane curtains and the water pipe do not need to be changed or moved, the actions of installing and dismantling the water pipe can be greatly simplified, the membrane curtains are in sliding connection in the guide groove group, the membrane curtains can slide up and down in the guide groove under the action of, thereby simplify the dismouting of membrane curtain, and need not to move the position of membrane frame during the dismouting, can go on in the membrane pond, and can only hoist one of them membrane curtain and wash at every turn when wasing, the load greatly reduced of hoist and mount, accomplish even and directly shift out the membrane curtain from the membrane frame by the manpower, can save loaded down with trivial details hoist and mount work, reduce hoisting equipment's cost, when wasing the membrane curtain in the membrane pond, need not to set up alone and wash the pond, water after the washing enters into the membrane pond and directly is handled by the membrane curtain, the emission and the processing link of sewage have been reduced, efficiency promotes obviously.

Drawings

FIG. 1 is a schematic view of a membrane curtain;

FIG. 2 is a schematic structural diagram of an embodiment of a membrane frame device for easily disassembling and cleaning an MBR membrane (for clarity, a tubular MBR membrane is hidden in a membrane curtain in the structural diagram);

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic structural view of a water pipe in an embodiment of a membrane frame device for easily disassembling and cleaning MBR membranes;

fig. 6 is an enlarged view at C in fig. 5.

Reference number legend, 10, film frame; 11. a column; 12. a cross beam; 13. a guide groove; 14. a through port; 15. a slide rail; 20. a water pipe; 21. a water inlet end; 22. a water outlet end; 23. a seal ring; 30. a water collection pipe; 31. a total catchment outlet; 40. pressing a plate; 50. a connecting bolt; 51. a connecting nut; 60. an aeration pipe; 70. a membrane curtain; 71. a film curtain frame; 72. a tubular MBR membrane; 73. a water outlet of the membrane curtain; 80. a flush pipe; 81. a tube holder; 82. a flush water inlet; 83. a positioning table; 84. and a seal ring groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. The terms "front", "rear", "left" and "right" used herein refer to the "front", "rear", "left" and "right" of the film frame shown in FIG. 2.

As shown in fig. 2, the membrane frame device for easy disassembly and assembly cleaning of MBR membrane in the present embodiment includes a membrane frame 10, a water pipe 20, and a water collecting pipe 30. Aeration pipes 60 are also arranged at the bottom of the common membrane frame.

The membrane frame 10 is a frame structure, wherein four upright posts 11 are vertically arranged and a cross bar is connected with the upright posts 11, the four upright posts are divided into two rows, and the membrane curtain is arranged between the two rows of upright posts. A plurality of guide groove groups for installing the film curtain 70 are arranged between two rows of upright posts, as shown in fig. 2 and fig. 3, each guide groove group comprises two guide grooves 13 respectively arranged at the left side and the right side of the film frame 10, the openings of the guide grooves 13 are vertically arranged oppositely, the top ends of the guide grooves are open and communicated with the guide grooves, each guide groove group is arranged side by side along the front-back direction of the film frame 10, one film curtain 70 is respectively arranged in each guide groove group, two ends of the film curtain 70 are respectively arranged in the guide grooves 13 in a sliding or moving manner, the film curtain 70 can move up and down in the guide grooves 13, the distance between the tops of the two guide grooves 13 is smaller than the width of the film curtain 70, and the two ends of the film curtain can be both positioned. When setting up guide way 13, can lie in the crossbeam top on membrane frame 10 and set up the mounting panel, guide way 13 sets up on the mounting panel, also can adopt the channel-section steel as the guide way, directly regard as guide way 13 with the groove structure on the channel-section steel, preferably the latter, economy and practicability, the processing of being convenient for, such guide way 13 bottom also is uncovered structure, can set up crossbeam 12 between two rows of stands 11 of membrane frame 10, this crossbeam 12 is located the below of guide way, crossbeam 12 can carry on spacingly to the membrane curtain, can avoid membrane curtain 70 from the slippage in guide way 13 bottom. Certainly, as an alternative structure, can all set up the spout in the left and right sides of membrane curtain, correspond respectively in the left and right sides of membrane frame and set up the slide rail, make things convenient for the membrane curtain to reciprocate in the membrane frame. As a special example, only one membrane curtain may be provided, in which case only one guide groove group needs to be provided.

The top of each guide groove 13 is provided with a through hole 14, the through hole 14 penetrates through the bottom of the groove, and when the membrane curtain 70 is installed in the guide groove 13, the membrane curtain water outlet 73 is matched with the size and height of the through hole 14, so that the membrane frame 10 is prevented from interfering the membrane curtain 70 and being connected with other structures.

At least one water collecting pipe 30 is respectively arranged at the left side and the right side of the membrane frame 10, all the water collecting pipes 30 are communicated with each other, and a total water collecting outlet 31 is arranged for water outlet. The water collecting pipes 30 are located at the upper and left and right sides of the film frame 10 to prevent the water collecting pipes 30 from interfering with the film curtain 70 entering and exiting the guide grooves 13. The water collecting pipe 30 is disposed along the front and rear direction of the film frame 10 in the length direction, and both ends thereof are respectively and correspondingly fixed and hermetically connected with the front and rear ends of the film frame. The outer side of the pipe wall of the water collecting pipe 30 is provided with water collecting holes corresponding to the positions of the water outlet holes 73 of the membrane curtains along the length direction of the pipe wall. The number of the water passing pipes 20 is the same as that of the guide grooves 13, both ends of the water passing pipes 20 face the same side, such as a U-shaped pipe, a C-shaped pipe and a V-shaped pipe, one end of which is a water inlet end 21, the other end is a water outlet end 22, wherein the water inlet end 21 is inserted into the corresponding membrane curtain water outlet 73 and is hermetically connected with the membrane curtain water outlet 73, wherein the water pipe 20 is preferably a U-shaped pipe (as shown in fig. 5), the water outlet end 22 is inserted into the corresponding water collecting hole on the water collecting pipe and is connected with the water collecting hole in a sealing way, the water pipe is arranged outside the membrane curtain and the water collecting pipe in the structure, the water outlet hole 73 of the membrane curtain is arranged in the same direction as the water collecting hole and is arranged outwards, so that the film curtain can be assembled or disassembled with the film frame only by once inserting or pulling the water pipe 20 inwards or outwards, meanwhile, the position of the die carrier frame does not need to be changed, and the actions of installing and disassembling the water pipe 20 can be greatly simplified, so that the membrane curtain 70 is simplified to be disassembled and assembled. As shown in fig. 6, it is preferable that annular sealing ring grooves 84 are respectively formed on the water inlet end 21 and the water outlet end 22, a sealing ring 23 is arranged in the sealing ring groove 84, the sealing ring 23 of the water inlet end 21 is positioned in the membrane curtain water outlet 73, the water inlet end 21 is inserted into the membrane curtain water outlet 73 and is in sealing connection with the membrane curtain water outlet 73 through the sealing ring 23, the sealing ring 23 of the water outlet end 22 is positioned in the water collecting hole, and the water outlet end 22 is inserted into the water collecting hole and is in sealing connection with the water collecting hole through the sealing ring 23, so that the purified water is prevented from overflowing from the. Of course, the membrane curtain water outlet 73 and the water collecting hole may be provided with the sealing ring groove 84, the sealing ring 23 is arranged in the sealing ring groove 84, the water inlet end 21 is inserted into the membrane curtain water outlet 73 and is connected in a sealing manner through the sealing ring 23 in the membrane curtain water outlet 73, and the water outlet end 22 is inserted into the water collecting hole and is connected in a sealing manner through the sealing ring 23 in the water collecting hole.

Adopt the utility model discloses a membrane frame, because every membrane curtain all moves set up in two guide ways of relative setting, the top of guide way is uncovered structure, therefore, when the equipment, can insert the diaphragm from uncovered department in the guide way and slide down along the guide way, when the membrane curtain is torn open to needs, every membrane curtain 70 can all be taken out from uncovered alone, thereby shift out membrane frame 10 with the membrane curtain, also can be that a little part of lower extreme of membrane curtain is located the guide way, can only hoist one of them membrane curtain 70 and wash when wasing at every turn, directly insert after the washing and get back to in the membrane frame, can realize the split and the installation of membrane curtain in the membrane pond, make the load greatly reduced of hoist and mount, can accomplish directly to take out the membrane curtain or take out or the membrane curtain by the manpower even, can save loaded down with trivial details hoist and mount work, reduce the cost of lifting device.

Preferably, the water pipe 20 is pressed by the pressing plate 40 detachably and fixedly connected to the membrane frame 10, so that the water pipe 20 is prevented from being pushed out of the water collecting hole or the membrane curtain water outlet 73 when the water pressure is too high, and the pressing plate 40 is arranged outside the water pipe, so that the water pipe 20 is positioned between the pressing plate 40 and the membrane frame 10 and is abutted against the pressing plate 40. The pressure plate 40 may be fixed by means of bolts and nuts, quick calipers, etc., as long as disassembly can be achieved. The membrane frame is characterized in that a bolt-nut connecting structure is adopted, the structure is simple, the assembly and disassembly are convenient, the cost is low, the specific structure is shown in fig. 4, a connecting bolt 50 is welded on the membrane frame 10, a through hole matched with the connecting bolt is formed in the pressing plate 40, the connecting bolt 50 penetrates through the through hole, a connecting nut 51 is connected to the connecting bolt 50 in a threaded mode, and the pressing plate 40 is located between the water passing pipe 20 and the connecting nut 51. At least one pressing plate 40 is respectively arranged on two sides of the film frame, the water pipes 20 on the left side and the right side of the film frame 10 are respectively pressed, preferably, each water pipe 20 is fixedly connected with the pressing plate 40, and the water pipes 20 positioned on the same side of the film frame 10 are connected to the same pressing plate 40, so that a plurality of water pipes 20 can be simultaneously pulled out or inserted when the film curtain 70 is disassembled, and the disassembly and assembly of the film curtain 70 are further simplified. Preferably, the outer walls of the water inlet end 21 and the water outlet end 22 are respectively provided with a positioning table 83, when the two ends of the water pipe 20 are respectively inserted into the membrane curtain water outlet 73 and the water collecting hole, the positioning table 83 is positioned outside the membrane curtain water outlet 73 and the water collecting hole to limit the insertion depth of the water pipe 20, and the situation that the end of the water pipe 20 abuts against the inner wall of the water collecting pipe 30 to cause unsmooth water outlet is avoided. The positioning table 83 only needs to protrude out of the outer surface of the water passing pipe, and is preferably in a ring shape coaxial with the water passing pipe 20, so that the positioning table 83 can play a limiting role, and can also seal gaps between the water passing pipe 20 and corresponding holes, and the sealing effect is further improved. Except that adopting location platform 83 to carry out the water pipe spacing, can also set up membrane curtain apopore 73 and water collection hole into the step hole, and the great one end of step hole diameter outwards, the end of intaking 21 and play water end 22 respectively with the great one side looks adaptation of corresponding step hole diameter, like this when the both ends of water pipe 20 insert corresponding hole, the terminal surface butt in terminal surface and the step hole of water pipe 20 prevents that water pipe 20 from inserting too deeply.

Preferably, a flushing pipe 80 for flushing the film curtain 70 can be further arranged on the film frame 10, and the flushing pipe 80 can be arranged on the front side, the rear side or both the front side and the rear side of the film frame 10. The flushing pipe 80 is connected with the membrane frame 10 in a sliding mode, the sliding direction of the flushing pipe 80 is vertical, the flushing pipe 80 is horizontally arranged and parallel to the membrane curtain 70, one side, facing the membrane curtain 70, of the flushing pipe 80 is provided with a plurality of flushing nozzles, and the flushing coverage range of all the flushing nozzles during sliding is not smaller than the area of the membrane curtain 70. The flushing pipe 80 slides up and down, the membrane curtain 70 facing the flushing pipe 80 can be flushed up and down, and the membrane curtain 70 closest to the flushing pipe 80 is removed after flushing to flush the next flushing pipe 80, so that a specific cleaning area and a container for storing flushing wastewater are not required during cleaning, and the flushing pipe is cleaner and tidier and is beneficial to reducing the cost. The flushing pipe 80 is provided with a flushing inlet 82 for communicating with a water source, and is used for connecting the water source with certain water pressure. Preferably, the flush pipe 80 is provided with pipe seats 81 at both ends thereof, the film frame 10 is fixedly connected with the slide rails 15 matched with the pipe seats 81, and the pipe seats 81 are slidably connected to the slide rails 15, which helps to ensure the smooth sliding of the flush pipe 80. The two or more than two flushing pipes 80 are arranged, and the flushing pipes 80 are communicated with each other, so that the flushing range is enlarged, and the flushing efficiency is improved. The flushing pipe 80 can be driven to slide up and down by human, or a special driving device can be arranged to drive the flushing pipe to slide up and down, the driving device can be driven by structures such as a screw nut, an electric slide rod, a gear rack, a transmission chain or a transmission belt, and the like, as long as the reciprocating linear motion of the flushing pipe 80 can be realized, and the special driving device is not arranged in the specific embodiment.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The membrane frame device comprises a membrane frame (10), a water passing pipe (20) and a water collecting pipe (30), and is characterized in that membrane curtains (70) are connected with the left side and the right side of the membrane frame (10) in a vertically sliding or up-and-down moving mode through two ends of the membrane curtains, at least one water collecting pipe (30) is fixedly arranged on the left side and the right side of the membrane frame (10) respectively, the length direction of each water collecting pipe (30) is arranged along the front-back direction of the membrane frame (10), water collecting holes corresponding to the positions of the membrane curtains (70) are formed in the pipe walls of the water collecting pipes (30), and the water collecting holes and water outlet holes (73) of the membrane curtains face outwards; connect corresponding water-collecting hole and membrane curtain apopore (73) by water pipe (20), the both ends of water pipe (20) are towards same one side, and correspond with water-collecting hole and membrane curtain apopore (73) respectively, and the both ends correspondence of water pipe (20) is inserted in membrane curtain apopore (73) and is gathered the water hole.

2. The membrane rack device for MBR membrane easy to disassemble and clean according to claim 1, wherein: the film frame (10) is detachably and fixedly connected with a pressing plate (40), the water passing pipe (20) is abutted to the pressing plate (40) and is located between the pressing plate (40) and the film frame (10), and the water passing pipe (20) is a U-shaped pipe.

3. The membrane rack device for MBR membrane easy to disassemble and clean according to claim 2, wherein: the pressure plate (40) is fixedly connected with a connecting nut (51) through a connecting bolt (50).

4. The membrane rack device for MBR membrane easy to disassemble and clean according to claim 2, wherein: each water pipe (20) is fixedly connected with the pressing plate (40) on the corresponding side.

5. The membrane rack device for MBR membrane easy to disassemble and clean according to claim 1, wherein: two ends of the water pipe (20) are respectively provided with a sealing ring (23).

6. The membrane rack device for MBR membrane easy to disassemble and clean according to claim 1, wherein: still include with membrane frame (10) sliding connection's wash pipe (80), wash pipe (80) set up in the rear side and/or the front side of membrane frame (10), and wash pipe (80) are provided with a plurality of bath shower nozzles towards one side of membrane curtain (70), are provided with on wash pipe (80) and are used for the bath import (82) of intercommunication water source.

7. The MBR membrane easy to disassemble and clean membrane frame device according to claim 6, wherein: both ends of the flushing pipe (80) are fixedly connected with pipe seats (81) respectively, the membrane frame (10) is fixedly connected with sliding rails (15) matched with the pipe seats (81), and the pipe seats (81) are connected to the sliding rails (15) in a sliding mode.

8. The MBR membrane easy to disassemble and clean membrane frame device according to claim 6, wherein: the two or more than two flushing pipes (80) are arranged, and the flushing pipes (80) are communicated with each other.