CN214715730U

CN214715730U - Support frame of flexible MBR (membrane bioreactor) flat plate membrane

Info

Publication number: CN214715730U
Application number: CN202120080960.9U
Authority: CN
Inventors: 刘小丽; 兰林军
Original assignee: Shanghai Rongrong Environmental Protection Technology Co ltd
Current assignee: Shanghai Rongrong Environmental Protection Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-16
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a carriage of flexible MBR dull and stereotyped diaphragm, including outer unit frame, interior unit frame and flexible diaphragm subassembly, flexible diaphragm subassembly mainly comprises two diaphragms and flexible water conservancy diversion net, two the diaphragm forms the centre gripping to flexible water conservancy diversion net, outer unit frame and interior unit frame carry out fixed seal with flexible diaphragm subassembly edge all around through lock and rubber coating, the frame guiding gutter has been seted up between outer unit frame and the interior unit frame. The utility model relates to a design and application of dull and stereotyped separation membrane element of MBR. The single diaphragm is independently packaged through the combined frame, so that the mode of replacing the single diaphragm in the use process of the diaphragm can be well realized, and the convenience and low cost of installation and replacement are further realized; the use of other auxiliary materials can be reduced.

Description

Support frame of flexible MBR (membrane bioreactor) flat plate membrane

Technical Field

The utility model relates to a design and the application of dull and stereotyped separation membrane element of MBR, concretely relates to support frame of dull and stereotyped diaphragm of flexible MBR plays the needs of support, separation water purification water conservancy diversion and installation of the dull and stereotyped membrane of flexible MBR.

Background

MBR flat membranes have been developed into two branches, one is the traditional structure of membrane elements that conventionally encapsulate MBR flat membranes on a rigid support, such as an ABS injection molded support plate; the other type is that a layer of flexible flow guide grid net is lined in the MBR membrane bag and is combined together in a central water collecting mode to form the structure of the MBR flexible flat membrane group.

The advantages of the traditional structure are: the membrane element has good rigidity, the membrane element can adapt to a strong aeration environment, the size of a single membrane element can be large, for example, the length and width can be 500mm multiplied by 1800mm, and the membrane element is simple to replace and maintain. However, the conventional structure has disadvantages in that the supporting plate material and the manufacturing cost are high, and the thickness is large so that the limitation of the effective membrane area, i.e., the filtration area, is large within the same installation volume.

The flexible flat plate membrane group has the advantages that: the support body with higher cost in the membrane is omitted, the cost advantage is obvious compared with the traditional cost, and the membrane bag is very thin, so that the effective membrane area, namely the filtration area, in the same installation volume can be increased. The flexible flat membrane module has the defects that the membrane element is not suitable to be too large in size, otherwise, the membrane is easy to damage; the membrane element has stronger environmental adaptability to aeration and is poorer, so that the membrane is more frequently blocked than the traditional structure; meanwhile, the structural rigidity of the flexible membrane is poor, so that the internal pumping pressure is respectively uneven, and the effective filtering area of the membrane is seriously wasted; meanwhile, since the diaphragms are integrally combined, it is difficult to replace a single diaphragm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a carriage of dull and stereotyped diaphragm of flexible MBR to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a braced frame of dull and stereotyped diaphragm of flexible MBR, includes outer unit frame, interior unit frame and flexible diaphragm subassembly, flexible diaphragm subassembly mainly comprises two diaphragms and flexible water conservancy diversion net, two the diaphragm forms the centre gripping to flexible water conservancy diversion net, outer unit frame and interior unit frame carry out fixed seal with flexible diaphragm subassembly edge all around through lock and rubber coating, the frame guiding gutter has been seted up between outer unit frame and the interior unit frame, and the frame guiding gutter link up with the inside flexible water conservancy diversion net of flexible diaphragm subassembly mutually, the fixed delivery port that link up mutually with the frame guiding gutter that is equipped with in outer unit frame outer end.

Preferably, the fixed multiunit direction that is equipped with of outer unit frame inner wall is withheld the post, set up on the inner cell frame with the direction withhold the direction that the post joint adaptation was withheld in the direction withhold the hole, flexible diaphragm subassembly edge all around sets up with the direction withhold the through-hole that the post joint adaptation was withheld, supports fixedly around the flexible diaphragm subassembly.

Preferably, the guide buckling and pressing column and the guide buckling and pressing hole are filled with sealant in the outer port of the guide buckling and pressing hole after being buckled, and the sealing effect is improved.

Preferably, the inner walls of the outer unit frame and the inner unit frame are respectively provided with a membrane sealing surface, the membrane sealing surfaces are arranged on the inner sides of the outer frame diversion trenches, and the edges of the two end surfaces of the flexible membrane component are sealed and adhered by uniformly coating a sealant, so that the periphery of the flexible membrane component is sealed with the outer unit frame and the inner unit frame.

Preferably, the diaphragm sealing glue groove is formed in the end face of the diaphragm sealing glue surface of the outer unit frame, and the diaphragm sealing bulge matched with the diaphragm sealing glue groove in a clamping mode is arranged on the end face of the diaphragm sealing glue surface of the inner unit frame, so that the sealing effect is improved.

Preferably, be equipped with sealed filler gap between outer unit frame and the inner cell frame inner wall outer end, sealed filler gap is arranged in the frame guiding gutter and is deviated from the outside that the diaphragm sealed the face, and the coating has sealed glue between the sealed filler gap.

Preferably, the top of the outer end of the outer unit frame is provided with a lifting handle, so that the whole body is convenient to lift.

Preferably, the water outlets are two groups and distributed at the top of the outer unit frame, so that the water outlets are convenient to connect with water outlet pipes.

Compared with the prior art, the support frame of the flexible MBR flat membrane of the utility model has the advantages that the single membrane is separately packaged through the combined frame, so that the mode of replacing the single membrane in the use process of the membrane can be well realized, and the convenience and low cost of installation and replacement are further realized; meanwhile, the rigidity and the strength of the external combined frame are better, so that the packaging size of the single film of the flexible diaphragm can be enlarged to be similar to the size of the traditional rigid flow guide supporting plate, and the use of other auxiliary materials can be reduced; because the flexible membrane is thin, the thickness of the thin outer support width can be designed as much as possible, and the filtering efficiency can be improved in order to improve the packaging area of the membrane in the same volume of the filtering tank.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a front view of the present invention;

FIG. 2 is a front view of the outer unit frame of the present invention;

FIG. 3 is a schematic structural view of the outer unit frame of the present invention;

fig. 4 is a front view of the inner unit frame of the present invention.

In the drawings:

1. an outer unit frame; 11. a handle; 12. a water outlet; 13. sealing the glue filling gap; 14. an outer frame diversion trench; 15. a guide buckling column; 16. a membrane glue sealing groove; 17. a membrane sealing surface; 2. an inner unit frame; 21. a guide buckling hole; 3. a flexible diaphragm assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a support frame of a flexible MBR flat membrane comprises an outer unit frame 1, an inner unit frame 2 and a flexible membrane component 3, wherein a handle 11 is arranged at the top of the outer end of the outer unit frame 1, so that the membrane component can be conveniently extracted in the installation process of the membrane component, the flexible membrane component 3 mainly comprises two membranes and a flexible flow guide grid, the two membranes form a clamp for the flexible flow guide grid, the flexible flow guide grid is designed into a structure similar to a sandwich structure by clamping the flow guide grid between two layers of membranes, or the two sides of the flow guide layer are directly compounded or blade-coated with the membrane layer to form the sandwich structure, and the structure is softer because the middle flow guide layer is compounded on a rigid flow guide support plate, different from the traditional membrane, and has the advantages that the membrane component can be thinner than the traditional membrane, and further the increase of the membrane area in a filter tank with the same volume becomes possible; meanwhile, the flexible flow guide layer has much lower cost than the traditional rigid flow guide support plate which is widely applied, such as an ABS support plate, so that the membrane cost can be saved, the periphery of the flexible membrane component 3 is fixedly sealed by the outer unit frame 1 and the inner unit frame 2 through buckling and gluing to form a complete membrane unit, a plurality of groups of guide buckling and pressing columns 15 are fixedly arranged on the inner wall of the outer unit frame 1, guide buckling and pressing holes 21 which are matched with the guide buckling and pressing columns 15 in a clamping manner are formed in the inner unit frame 2, through holes which are matched with the guide buckling and pressing columns 15 in a clamping manner are formed in the periphery of the flexible membrane component 3, the guide buckling and pressing columns 15 are used for positioning the flexible membrane component 3, the membrane is matched with the inner unit frame 1 and the outer unit frame 1 tightly in a matching manner by matching with the guide buckling and pressing holes 21 of the inner unit frame 2 to form a complete membrane component, and the probability that the plastic material at the middle part is deformed to cause sealing failure is reduced, after the guide buckling column 15 and the guide buckling hole 21 are buckled, sealant is filled in an outer port of the guide buckling hole 21, an outer frame diversion trench 14 is arranged between the outer unit frame 1 and the inner unit frame 2, the outer frame diversion trench 14 is communicated with a flexible diversion grid inside the flexible membrane component 3, the diversion trench 14 balances suction pressure from an external connecting pump to be distributed on the whole side surface of the membrane, and simultaneously, purified water filtered and permeated through the surface of the membrane is collected and guided into an external connecting pipe through a water outlet 12, the diversion trench 14 can design each section by using a fluid channel pressure distribution principle, membrane sealing surfaces 17 are arranged on the inner walls of the outer unit frame 1 and the inner unit frame 2, the membrane sealing surfaces 17 are arranged on the inner sides of the outer frame diversion trench 14 and are sealed and adhered with the edges of two end surfaces of the flexible membrane component 3 by uniformly coating the sealant, and the membrane sealing grooves 16 and the membrane sealing surfaces 17 are coated with the sealant, tightly connecting one surface of the diaphragm with the combined outer frame, sealing and combining, wherein a diaphragm glue sealing groove 16 is arranged on the end surface of a diaphragm glue sealing surface 17 of the outer unit frame 1, a diaphragm sealing bulge matched with the diaphragm glue sealing groove 16 in a clamping way is arranged on the end surface of the diaphragm glue sealing surface 17 of the inner unit frame 2, a sealing glue filling gap 13 is arranged between the outer unit frame 1 and the outer end of the inner wall of the inner unit frame 2, the sealing glue filling gap 13 is arranged on the outer side of an outer frame diversion groove 14 departing from the diaphragm glue sealing surface 17, sealant is coated between the sealing glue filling gaps 13, a reserved glue filling space of the assembly is reserved for carrying out glue filling sealing on the joint of the inner unit frame and the outer unit frame of the diaphragm so as to ensure that enough sealant can glue the whole combined outer frame into a whole body without blocking an inner water flow channel, a water outlet 12 communicated with the outer frame diversion groove 14 is fixedly arranged at the outer end of the outer unit frame 1, the water outlets 12 are arranged in two groups, are distributed on the top of the outer unit frame 1 and are distributed on two sides of the lifting handle 11, and the water outlets 12 are used for sucking, filtering and purifying water in the coming process.

The manufacturing principle of the present invention will be explained in detail below: firstly, coating a circle of sealing glue on a membrane sealing glue groove 16 (shown in figure 3) on the inner side of the outer unit frame 1, then installing a membrane with a positioning hole corresponding to a guide buckling column 15 of the outer unit frame 1, because the position of the membrane sealing glue groove 16 is on the inner side of the membrane, sealing and jointing one surface of the membrane and the inner side of the outer unit frame 1, simultaneously keeping the state that a membrane flow guide layer is communicated with an outer frame flow guide groove 14 of the outer unit frame 1, then coating the sealing glue on a membrane sealing glue surface 17 on the inner side of the inner unit frame 2, then corresponding a guide buckling hole 21 of the inner unit frame 2 to the guide buckling column 15 of the outer unit frame 1, installing the inner unit frame 2 on the outer unit frame 1 with the membrane installed, buckling the guide buckling columns 15, and simultaneously filling a sealing glue gap 13 between the outer unit frame 1 and the inner unit frame 2, and the outer end of the guide buckling hole 21 is supplemented with sealant so as to ensure that the inner side of the membrane is fully isolated from the external environment, only the reserved outer frame guide groove 14 is communicated with the outside, when the glue is well cured, the air tightness detection is carried out, and if air leakage exists at each joint outside the outer frame guide groove 14, the sealant is supplemented to guide complete sealing.

To sum up, the utility model relates to a support frame of flexible MBR flat membrane, on the basis of combining the advantages and disadvantages of traditional structure and flexible membrane group, give full play to the advantages of the two and evade the defects of the two as far as possible, the utility model not only inherits the thickness of flexible MBR membrane bag to become small and then improve the membrane area of effective loading under the same volume, but also keeps the rigidity of traditional structure to improve the adaptability of aeration environment; the higher rigidity supporter of cost in the middle of both having saved flexible MBR membrane, the water conservancy diversion function of frame and the function of even suction water pressure have been introduced again, and the runner of doing can design and optimize to the independent operation of the traditional film element structure that remains and the characteristics of changing easily, in order to make the processing of frame realize easily, the utility model discloses become two unit membrane frames with the frame split, then make unified whole through the mode of combination encapsulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a braced frame of dull and stereotyped diaphragm of flexible MBR which characterized in that: including outer unit frame (1), interior unit frame (2) and flexible diaphragm subassembly (3), flexible diaphragm subassembly (3) mainly comprise two diaphragms and flexible water conservancy diversion net, two the diaphragm forms the centre gripping to flexible water conservancy diversion net, outer unit frame (1) and interior unit frame (2) are fixed sealed with flexible diaphragm subassembly (3) edge all around through lock and rubber coating, frame guiding gutter (14) have been seted up between outer unit frame (1) and interior unit frame (2), and frame guiding gutter (14) link up mutually with the inside flexible water conservancy diversion net of flexible diaphragm subassembly (3), outer unit frame (1) outer end is fixed to be equipped with delivery port (12) that link up mutually with frame guiding gutter (14).

2. The support frame of a flexible MBR flat membrane according to claim 1, wherein: the fixed multiunit direction that is equipped with of outer unit frame (1) inner wall is detained and is pressed post (15), set up on interior unit frame (2) and detain direction of pressing post (15) joint adaptation with the direction and detain pressing hole (21), flexible diaphragm subassembly (3) edge all around sets up the through-hole of detaining pressing post (15) joint adaptation with the direction.

3. The support frame of a flexible MBR flat membrane according to claim 2, wherein: and after the guide buckling and pressing column (15) and the guide buckling and pressing hole (21) are buckled, sealant is filled in the outer port of the guide buckling and pressing hole (21).

4. The support frame of a flexible MBR flat membrane according to claim 1, wherein: outer unit frame (1) and interior unit frame (2) inner wall all are equipped with diaphragm and seal gluey face (17), the inboard of frame guiding gutter (14) is arranged in to diaphragm seal gluey face (17), and seals up with the edge of flexible diaphragm subassembly (3) both ends face through even coating sealed glue.

5. The support frame of the flexible MBR flat membrane sheet of claim 4, wherein: the diaphragm sealing rubber groove (16) is formed in the end face of the diaphragm sealing rubber surface (17) of the outer unit frame (1), and the diaphragm sealing rubber protrusion matched with the diaphragm sealing rubber groove (16) in a clamping mode is arranged on the end face of the diaphragm sealing rubber surface (17) of the inner unit frame (2).

6. The support frame of the flexible MBR flat membrane sheet of claim 4, wherein: be equipped with between outer unit frame (1) and inner cell frame (2) inner wall outer end sealed filler gap (13), frame guiding gutter (14) is arranged in sealed filler gap (13) and is deviated from the outside that membrane sealed gluey face (17), and the coating has sealed glue between sealed filler gap (13).

7. The support frame of a flexible MBR flat membrane according to claim 1, wherein: the top of the outer end of the outer unit frame (1) is provided with a handle (11).

8. The support frame of a flexible MBR flat membrane according to claim 1, wherein: two groups of water outlets (12) are arranged and distributed at the top of the outer unit frame (1).