CN212915194U

CN212915194U - Tubular membrane filter element

Info

Publication number: CN212915194U
Application number: CN202021317177.1U
Authority: CN
Inventors: 余天云; 沈斌; 方丽娜; 王立江; 范立航
Original assignee: Hangzhou Disc Filter Membrane Technology Co ltd
Current assignee: Hangzhou Disc Filter Membrane Technology Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-04-09
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a tubular membrane filter element, which comprises a plurality of membrane tubes (1) which are uniformly arranged in the inner cavity of a membrane shell (2); the two ends of the membrane shell (2) are provided with corresponding mounting plates (3), and the two ends of the membrane tube (1) are inserted into the corresponding mounting plates (3) to form glue rings (4) containing filling agents so as to realize the tight pressure connection of the two. The matching parts of the membrane tube and the mounting plates at the two ends of the membrane shell can bear strong acid and strong base in a certain range, and the leakage is not easy to occur.

Description

Tubular membrane filter element

Technical Field

The utility model relates to a tubular membrane filter element.

Background

The common application form of the microfiltration technology in water treatment is to prepare a tubular membrane element, and the inside of the tubular membrane element is formed by combining a certain number of tubular membrane cores according to a specific rule. It generally has a cylindrical pressure vessel as a housing, with the head fixedly connected to the pressure vessel.

The matching of the membrane tube used in the microfiltration technology and the mounting plates at the two ends of the membrane shell is also easy to cause leakage after the membrane tube is subjected to strong acid and strong base in a certain range, so that the whole filter element cannot be used.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a tubular membrane filter element, the cooperation department of the mounting panel at the both ends of membrane pipe and membrane shell can bear certain limit's strong acid and alkali, is difficult for appearing the condition of seepage.

In order to solve the technical problem, the utility model provides a technical scheme does:

a tubular membrane filter element comprises a plurality of membrane tubes uniformly arranged in an inner cavity of a membrane shell;

the two ends of the membrane shell are provided with corresponding mounting plates, and glue rings containing filling agents are arranged at the positions, corresponding to the mounting plates, of the two ends of the membrane tube in an inserting mode so as to realize the tight pressure connection of the two.

Furthermore, granular filling agents are distributed in the glue ring.

Furthermore, the glue ring is composed of a framework formed by the filling agent and glue distributed on the framework.

Furthermore, the membrane tube is composed of a polymer support framework and a membrane filtering unit adsorbed on pores of the polymer support framework, and the polymer support framework extends around along the length direction of the membrane tube.

Further, the polymer support skeleton is a porous support skeleton obtained by bonding a hot-melt type non-crosslinked polymer by heating.

Further, the polymer is one or more of polyethylene, polypropylene, polyvinylidene fluoride, polytetrafluoroethylene, vinyl acetate alkane, nylon, polyether sulfone and polycarbonate.

Further, the membrane filtration unit is a filtration membrane block adsorbed on the pores of the polymer support skeleton.

Further, the pore diameter of the filtering membrane block is 20-100 nanometers.

Compared with the prior art, the structure design has the following advantages:

glue rings containing filling agents are arranged at the positions of the two ends of the membrane tube, which are inserted into the corresponding mounting plates, so that the two membrane tubes are connected in a sealing manner. The filler is arranged on the glue ring, so that the structure of the glue ring can bear strong acid and strong base in a certain range to a certain extent, and the leakage is avoided.

Drawings

Fig. 1 is a plan view of the overall structure of the present invention.

Fig. 2 is a view of fig. 1A-a.

Fig. 3 is a view of fig. 1B-B.

Fig. 4 is a view of fig. 2C-C.

Fig. 5 is a perspective view of fig. 1.

FIG. 6 is an enlarged schematic view of a portion of the structure of the polymer support scaffold.

Fig. 7 is a schematic view of the structure of fig. 6 after adsorption of the membrane filtration unit.

Shown in the figure: 1. a membrane tube; 111. a polymer support scaffold; 112. a membrane filtration unit; 2. a membrane shell; 211. a water producing port; 3. mounting a plate; 311. a water inlet; 312. a water outlet; 4. and (4) a glue ring.

Detailed Description

The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.

The utility model aims at providing a membrane tube of its configuration has certain structural strength, is difficult to the rupture, possesses good filter effect simultaneously. Namely to solve the problem of easy breaking and bending.

The present embodiment discloses a tubular membrane filter element, which is shown in fig. 1-7, and comprises a membrane tube 1 and a membrane shell 2, wherein the membrane tube 1 is provided with a plurality of membrane shells, and the membrane shell 2 and the corresponding matched number of membrane tubes 1 are selected according to the actual requirements on the field.

A plurality of membrane tubes 1 are uniformly arranged in the inner cavity of the membrane shell 2.

Wherein, the length direction of membrane shell 2 is the same with the length direction of membrane tube 1, there are corresponding mounting panel 3 at the both ends of membrane shell 2, and the mounting panel 3 cartridge that corresponds is connected with at the both ends of membrane tube 1, has set up glue circle 4 that contains the filler in the position of the mounting panel 3 that the cartridge corresponds with at the both ends of membrane tube 1 in order to realize the close pressure connection between them, and in concrete implementation, the filler can select for use silica, certainly also can select other equal property's material. The glue ring 4 is formed by glue flowing between the membrane tube 1 and the mounting plate 3, and the corresponding mounting plate 3 is respectively provided with a water inlet 311 and a water outlet 312 which are communicated with the membrane tube 1; and a water producing port 211 communicated with the inner cavity is arranged on the membrane shell 2. The water producing ports 211 are two and are arranged in parallel, and the operating principle and the working process of the micro-membrane filter element for realizing the filtration are the prior art, and are not specifically developed in the embodiment.

In the practice of this example, glue ring 4 has two conditions.

One of the cases is: granular filling agents are distributed in the glue ring 4.

The other of them is: the glue ring 4 is composed of a framework formed by filling agents and glue distributed on the framework.

More specifically, the membrane tube 1 is composed of a polymer support skeleton 111 and a membrane filtration unit 112 adsorbed on the pores of the polymer support skeleton 111, and the polymer support skeleton 111 extends around the length direction of the membrane tube 1. The polymer of membrane pipe 1 supports skeleton 111 and provides the support for membrane pipe 1 to, polymer support skeleton 111 encircles along the length direction of membrane pipe 1 and extends, makes membrane pipe 1 possess certain structural strength, is difficult to buckle, the rupture, in addition, we have realized more ingeniously that to have done membrane filter unit 112 and adsorbed on the hole of polymer support skeleton 111, realize reaching filterable purpose, makes it possess good filter effect simultaneously.

The polymer support skeleton 111 is provided in a specific structural form, and the polymer support skeleton 111 is a porous support skeleton obtained by bonding hot-melt type non-crosslinked polymers by heating.

In a specific implementation, the polymer is one or more of polyethylene, polypropylene, polyvinylidene fluoride, polytetrafluoroethylene, vinyl acetate, nylon, polyether sulfone and polycarbonate.

A specific structural configuration of the membrane filtration unit 112 is provided as follows, the membrane filtration unit 112 being a filtration membrane block adsorbed on the pores of the polymer support scaffold 111. In addition, as a further scheme, the pore diameter of the filtering membrane block is 20-100 nanometers.

Promote holistic sealed effect, mounting panel 3 correspondingly with the one end sealing connection of membrane shell 2, the two ends of membrane pipe 1 and its corresponding mounting panel 3 cartridge and sealing connection.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and all the changes made within the scope of the independent claims of the present invention are within the scope of the present invention.

Claims

1. A tubular membrane filter element comprises a plurality of membrane tubes (1) which are uniformly arranged in the inner cavity of a membrane shell (2);

the method is characterized in that: the two ends of the membrane shell (2) are provided with corresponding mounting plates (3), and the two ends of the membrane tube (1) are inserted into the corresponding mounting plates (3) to form glue rings (4) containing filling agents so as to realize the tight pressure connection of the two.

2. A tubular membrane filter element according to claim 1 wherein: granular filling agents are distributed in the glue ring (4).

3. A tubular membrane filter element according to claim 1 wherein: the glue ring (4) is composed of a framework formed by filling agents and glue distributed on the framework.

4. A tubular membrane filter element according to claim 1 wherein: the membrane tube (1) is composed of a polymer support framework (111) and membrane filtering units (112) adsorbed on pores of the polymer support framework (111), and the polymer support framework (111) extends in a surrounding mode along the length direction of the membrane tube (1).

5. A tubular membrane filter element according to claim 4 wherein: the polymer support skeleton (111) is a porous support skeleton obtained by bonding a hot-melt type non-crosslinked polymer by heating.

6. A tubular membrane filter element according to claim 5 wherein: the polymer is one or more of polyethylene, polypropylene, polyvinylidene fluoride, polytetrafluoroethylene, vinyl acetate alkyl, nylon, polyether sulfone and polycarbonate.

7. A tubular membrane filter element according to claim 4 wherein: the membrane filtration unit (112) is a filtration membrane block adsorbed on the pores of a polymeric support scaffold (111).

8. A tubular membrane filter element according to claim 7 wherein: the pore diameter of the filtering membrane block is 20-100 nanometers.