CN216909879U

CN216909879U - Membrane module and membrane box for membrane module

Info

Publication number: CN216909879U
Application number: CN202121433179.1U
Authority: CN
Inventors: 李向杰; 袁乙兆; 程帅
Original assignee: Beichuang Qingyuan Beijing Technology Co ltd
Current assignee: Beichuang Qingyuan Beijing Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-07-08
Anticipated expiration: 2031-06-25

Abstract

The utility model belongs to the technical field of membranes, and particularly relates to a membrane module and a membrane box for the membrane module, wherein the membrane box comprises a box body and a cover plate, wherein the box body is in a strip shape and comprises a shell and an accommodating cavity positioned in the shell; the accommodating cavity is sequentially divided into a water producing cavity and an installation cavity from inside to outside along the width direction; the shell is provided with a water production hole, a mounting hole and an inserting hole; the water producing hole is communicated with the water producing cavity; the mounting holes and the inserting holes are respectively positioned on two adjacent side surfaces of the mounting cavity, the inserting holes and the water producing cavity are respectively arranged on two sides of the mounting cavity and are suitable for inserting membrane elements, the length of the inserting holes is the same as that of the mounting cavity, and the inner wall of the shell positioned on the side of the inserting holes is a plane; the cover plate is matched with the mounting hole and is parallel to the plane after being mounted. By the structure, when the end part of the diaphragm or the diaphragm assembly filled with the sealing adhesive at the periphery is inserted and pressed in the mounting cavity through the cover plate, the periphery can be completely attached to the inner wall of the shell, and the problem of glue leakage caused by glue injection is avoided.

Description

Membrane module and be used for diaphragm capsule of membrane module

Technical Field

The utility model belongs to the technical field of membranes, and particularly relates to a membrane assembly and a membrane box for the membrane assembly.

Background

The flat membrane component is a membrane component prepared from one or more membrane elements with the shape of a flat plate or a paper sheet. The flat corrugated membrane component is a membrane component prepared by one or more membrane elements with corrugated (or groove-shaped irregular undulating structures) base material on two sides or corrugated base material on one smooth and flat side.

The membrane module is processed by using a membrane box, most of the existing membrane boxes are injection-molded integral membrane boxes and comprise a shell with an opening at one side and a mounting cavity arranged in the shell, and when the membrane module is processed, the end parts of one or more membrane elements are inserted into the membrane box and fixed by injecting glue, such as Chinese patent CN 205659573U. However, the diaphragm capsule and the processing method have the following problems:

1) the integral diaphragm box is strip-shaped and is produced by injection molding, and the structure has certain deformation, so that the diaphragm or the diaphragm assembly is not smoothly inserted or cannot be attached to the inner wall of the diaphragm box after being inserted, and the problem of glue leakage cannot be effectively prevented even if a certain amount of sealing filler is coated;

2) when the membrane assembly is processed, the membrane blocking, the primary glue injection, the primary assembly cutting, the primary assembly box entering and the secondary glue injection are needed, so that the production process is long in flow, the working procedures are complex, the utilization rate of raw materials is low, and the production efficiency is low;

3) the integral membrane box is not internally provided with a structure for effectively preventing the primary assembly from being pulled out of the membrane box, and the primary assembly is loosened or pulled out of the membrane box due to the shaking or extra tension of the membrane assembly in the operation process of the membrane assembly, so that the turbidity of the produced water is increased, and the produced water does not reach the standard.

Therefore, in view of the above disadvantages, the present invention is urgently needed to provide a membrane module and a membrane cassette for the membrane module.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a membrane module and a membrane cassette for the membrane module to solve the above problems in the prior art.

The utility model provides a bellows for a membrane module, comprising: the box body is strip-shaped and comprises a shell and an accommodating cavity arranged in the shell in a surrounding manner; the accommodating cavity is sequentially divided into a water producing cavity and an installation cavity from inside to outside along the width direction; the shell is provided with a water production hole, a mounting hole and an insertion hole; the water producing hole is communicated with the water producing cavity; the mounting holes and the inserting holes are respectively positioned on two adjacent side surfaces of the mounting cavity, and the inserting holes and the water producing cavity are respectively arranged on two sides of the mounting cavity and are suitable for inserting membrane elements; the length of the plug-in hole is the same as that of the mounting cavity, and the inner wall of the plug-in hole side is a plane; the cover plate is matched with the mounting hole and is mounted, and the cover plate is parallel to the plane after being mounted.

In the above diaphragm capsule for a membrane module, it is further preferable that two partition plates are further provided in the casing, and the two partition plates are respectively provided at two ends of the casing and adapted to separate the water producing chamber and the mounting chamber.

In the diaphragm capsule for a diaphragm assembly as described above, it is further preferable that positioning grooves are provided on the inner end faces of the housing at both ends of the mounting cavity, the notches of the two positioning grooves are oppositely arranged and located on the same straight line, and the end portions are perpendicular to the mounting hole.

In the diaphragm capsule for a diaphragm assembly as described above, it is further preferable that two limiting plates are respectively disposed on the inner walls of the casing at the two ends of the mounting cavity, and the two limiting plates are parallel to each other and are adapted to form the positioning groove.

In the diaphragm capsule for a diaphragm assembly described above, it is further preferable that a step surface is provided on a peripheral edge of the mounting hole, and the step surface is used for bonding the cover plate.

The diaphragm capsule for a membrane module as described above, further preferably, the box body further includes a connecting portion, the connecting portion is connected to the outer side of the housing, the connecting portion is provided with a plurality of mounting holes, one of the mounting holes is communicated with the water producing hole, and a fastening member having a screw hole is installed in one of the mounting holes.

In the diaphragm capsule for a diaphragm assembly described above, it is further preferable that the number of the connecting portions is two, and a connecting plate is connected between the two connecting portions.

In the diaphragm capsule for a diaphragm assembly as described above, it is further preferable that the housing, the partition plate, the stopper plate, the connecting portion, and the connecting plate are of an integrally molded structure.

In the diaphragm capsule for a membrane module as described above, preferably, the section of the water-producing chamber is trapezoidal, one side of the upper bottom of the trapezoid is communicated with the mounting chamber, and one side of the lower bottom is communicated with the water-producing hole.

The utility model also discloses a flat membrane module comprising the membrane cassette for a membrane module as claimed in any one of the preceding claims.

Compared with the prior art, the utility model has the following advantages:

the utility model discloses a diaphragm capsule for a membrane module, which comprises a box body and a cover plate, wherein the box body is in a strip shape and comprises a shell and an accommodating cavity positioned in the shell; the accommodating cavity is sequentially divided into a water producing cavity and an installation cavity from inside to outside along the width direction; the shell is provided with a water production hole, a mounting hole and an insertion hole; the water production hole is communicated with the water production cavity; the mounting holes and the plug-in mounting holes are respectively positioned on two adjacent side surfaces of the mounting cavity, the plug-in mounting holes and the water producing cavity are respectively arranged on two sides of the mounting cavity and are suitable for plug-in mounting of membrane elements, the length of the plug-in mounting holes is the same as that of the mounting cavity, and the inner wall of the shell positioned on the side of the plug-in mounting holes is a plane; the cover plate is matched with the mounting hole and is parallel to the plane after being mounted. In the structure, the two adjacent sides of the installation cavity are respectively provided with the insertion holes and the installation holes, so that the end parts of the diaphragms or the membrane assemblies filled with sealing bonding materials all around are inserted through the cover plate and are tightly pressed on the installation cavity, the periphery of the diaphragm or the membrane assemblies can be completely attached to the inner wall of the shell, and the problem of glue leakage caused by glue injection is avoided.

According to the membrane box for the membrane module, the box body and the cover plate are arranged in a split mode, so that the processing of the flat membrane module can be completed only by two procedures of box feeding and glue filling once, and the problems of long process, complex procedure and low production efficiency of the traditional membrane module production process are solved; the problems of waste of raw materials and high production cost caused by one-time box-entering glue injection cutting of the traditional membrane assembly are solved.

The diaphragm box for the diaphragm assembly is also provided with a positioning groove which can position the diaphragm or the diaphragm assembly, so that the diaphragm or the diaphragm assembly is prevented from loosening or falling out from the diaphragm box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a bellows for a membrane module according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an exploded view of a membrane module.

Description of reference numerals:

1-shell, 2-installation cavity, 3-cover plate, 4-positioning groove, 5-limiting plate, 6-connecting part, 7-installation hole, 8-fastening part, 9-connecting plate, 10-step surface, 11-partition plate, 12-water producing cavity, 13-membrane element, 14-partition plate and 15-adhesive.

Detailed Description

As shown in fig. 1-2, the present embodiment discloses a bellows for a membrane module, which includes a case body and a cover plate 3.

The box body is strip-shaped and comprises a shell 1 and an accommodating cavity positioned in the shell 1; the accommodating cavity is sequentially divided into a water producing cavity 12 and an installation cavity 2 from inside to outside along the width direction; the shell 1 is provided with a water production hole, a mounting hole 7 and an insertion hole; the water producing hole is communicated with the water producing cavity 12; the mounting hole 7 with the plug-in mounting hole is located respectively two adjacent sides of installation cavity 2, just the plug-in mounting hole with produce water cavity 12 and locate respectively the both sides of installation cavity 2 are suitable for plug-in mounting membrane element 13, the length of plug-in mounting hole with the length of installation cavity 2 is the same, and is located the casing 1 inner wall of plug-in mounting hole side is the plane.

The cover plate 3 is matched with the mounting hole 7, and the cover plate 3 is parallel to the plane after being mounted.

In the above structure, the end of the membrane element 13 is inserted into the mounting chamber 2 and is pressed and fixed by the adhesive 15 and the cover plate 3, so that the fixed membrane element 13 is tightly connected with the inner wall of the housing 1. Preferably, in order to reinforce the connection of the membrane elements 13, a separator 14 is further provided between the end portions of the adjacent two membrane elements 13. The installation cavity 2 is communicated with the water production cavity 12, so that a water production channel in the membrane element 13 is communicated with the water production cavity 12, and then the water production is gathered through the water production cavity 12 and flows out through a water production hole.

Preferably, the section of the water producing cavity 12 is trapezoidal, one side of the upper bottom of the trapezoid is communicated with the installation cavity 2, and one side of the lower bottom of the trapezoid is communicated with the water producing hole. The shape of the water producing chamber 12 is arranged to enhance the water gathering effect.

Furthermore, the inside of casing 1 still is equipped with division board 11, division board 11 is two, and the branch is located the both ends of casing 1, is suitable for the partition produce water cavity 12 with installation cavity 2. The partition plate 11 is used for stopping the membrane element 13, so that the edge of the membrane element 13 is prevented from extending into the water production cavity 12 to block a water production channel, and the water production channel is smooth.

Furthermore, locating grooves 4 are formed in the inner end faces of the shell 1 at the two ends of the installation cavity 2, the notches of the two locating grooves 4 are oppositely arranged and located on the same straight line, and the end portions of the two locating grooves are perpendicular to the installation hole 7. The positioning grooves 4 are adapted to define the ends of the separators 14 so that the separators 14 bonded to the membrane elements 13 cannot be removed from the installation cavities 2, thereby improving the tensile strength of the membrane module. Preferably, two limiting plates 5 are arranged on the inner walls of the shell 1 at the two ends of the installation cavity 2, and the two limiting plates 5 are parallel to each other and are suitable for forming the positioning groove 4. In addition, the positioning grooves 4 can also be formed by protruding the housing 1 from both ends of the installation cavity 2.

Further, a step surface 10 is arranged on the periphery of the mounting hole 7, and the step surface 10 is used for bonding the cover plate 3. The step surface 10 and the outer end surface of the shell 1 have a height difference, so that the cover plate 3 is convenient to position and mount, and the mounting efficiency of the cover plate 3 is improved.

Further, the box body still includes connecting portion 6, connecting portion 6 connect in the outside of casing 1, be equipped with a plurality of mounting holes 7 on the connecting portion 6, one mounting hole 7 with produce water hole intercommunication, one install the fastener 8 that has the screw in the mounting hole 7. Connecting portion 6 is used for being connected with external structure, wherein, with the mounting hole 7 of producing the water hole intercommunication is used for connecting and produces the water pipe, installs fastener 8 that has the screw and is used for being connected to other structures with the bellows.

Preferably, the number of the connecting parts 6 is two, the connecting parts are respectively arranged at two ends of the shell 1, and a connecting plate 9 is connected between the two connecting parts 6. The above arrangement serves to improve the coupling stability of the bellows by adding a coupling structure.

Further, casing 1, division board 11, limiting plate 5, connecting portion 6 and connecting plate 9 are the integrated into one piece structure, and the forming material with the forming material of apron 3 is the same.

Example 2:

as shown in fig. 3, the present embodiment discloses a membrane module including a capsule for a membrane module according to any one of the embodiments.

Further, the embodiment also discloses a use method of the diaphragm capsule and the diaphragm assembly, which comprises the following steps:

firstly, taking a diaphragm capsule, placing the diaphragm capsule on a fixing tool frame, and fixing the end part of the diaphragm capsule with an upward mounting hole 7; then, a strip of sealing adhesive 15 with a certain width is filled on the plane inner wall of the installation cavity 2, specifically, the filling positions are mainly distributed in the area between the two positioning grooves 4, then the partition plate 14 is placed in the positioning groove 4, the sealing adhesive 15 is continuously placed in the positioning groove 4, the membrane element 13 is placed in the positioning groove, the sealing adhesive 15, the partition plate 14, the sealing adhesive 15 and the membrane element 13 are sequentially and repeatedly placed in the positioning groove 4, and the sealing adhesive 15, the partition plate 14 and the sealing adhesive 15 are continuously placed in the positioning groove until the last membrane element 13 is placed in the positioning groove. Then, sealing adhesive 15 is placed on the step surface 10 of the box body along the contact surface, the cover plate 3 is aligned with the mounting hole 7 and is compressed by the tool pressing rod, and the sealing adhesive 15 is placed for a certain time after the pressing. And (3) inspecting the membrane module, confirming the connection condition of the membrane box and the membrane element 13, finishing the production of the membrane module if the connection is complete, and supplementing by injecting glue for the second time if the local connection is not tight until the connection is complete to obtain the membrane module.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A capsule for a membrane module, comprising:

the box body is strip-shaped and comprises a shell and an accommodating cavity positioned in the shell; the accommodating cavity is sequentially divided into a water producing cavity and an installation cavity from inside to outside along the width direction; the shell is provided with a water production hole, a mounting hole and an insertion hole; the water producing hole is communicated with the water producing cavity; the mounting holes and the inserting holes are respectively positioned on two adjacent side surfaces of the mounting cavity, the inserting holes and the water producing cavity are respectively arranged on two sides of the mounting cavity and are suitable for inserting membrane elements, the length of the inserting holes is the same as that of the mounting cavity, and the inner wall of the shell on the side of the inserting holes is a plane;

the cover plate is matched with the mounting hole and is mounted, and the cover plate is parallel to the plane after being mounted.

2. The membrane cassette of claim 1, wherein the housing further comprises two partition plates disposed at two ends of the housing and adapted to separate the water-producing chamber from the mounting chamber.

3. The bellows for a membrane module according to claim 2, wherein positioning grooves are provided on the inner end surfaces of the housing at both ends of the mounting chamber, the notches of the two positioning grooves are disposed opposite to each other and on the same line, and the end portions are perpendicular to the mounting hole.

4. The bellows for a membrane module of claim 3, wherein two limiting plates are disposed on the inner wall of the housing at both ends of the mounting cavity, and the two limiting plates are parallel to each other and adapted to form the positioning groove.

5. The capsule for membrane module as claimed in claim 4, wherein the mounting hole is provided at its peripheral edge with a stepped surface for bonding the cover plate.

6. The bellows for a membrane module as claimed in claim 5, wherein the case body further comprises a connecting part connected to an outer side of the case body, the connecting part being provided with a plurality of mounting holes, one of the mounting holes communicating with the water producing hole, and one of the mounting holes having a fastening member with a screw hole mounted therein.

7. The membrane cassette of claim 6, wherein the number of the connection parts is two, and the connection parts are respectively provided at both ends of the housing, and a connection plate is connected between the two connection parts.

8. The bellows for a membrane module of claim 7, wherein the housing, the partition plate, the limit plate, the connection part, and the connection plate are of an integrally molded structure.

9. The bellows for a membrane module of claim 8, wherein the water-producing chamber is trapezoidal in cross section, and one side of the upper bottom of the trapezoid is communicated with the mounting chamber and one side of the lower bottom is communicated with the water-producing hole.

10. A membrane module comprising a membrane cassette for a membrane module according to any one of claims 1 to 9.