CN212881895U - Membrane filter element with multi-section structure - Google Patents

Abstract

The utility model discloses a multi-section structure membrane filter element, which comprises a tubular membrane filter body clamping hoop (3) and at least two single-section tubular membrane filter bodies which are composed of a membrane shell (2) and a plurality of membrane tubes (1) arranged in the inner cavity of the membrane shell (2); the tubular membrane filter body clamping hoop (3) is composed of a plurality of half pieces (311) which are circumferentially enclosed to form a clamping ring and a fastener (312) which is used for fixing and locking the clamping ring between the half pieces (311) and the half pieces (311); the half pieces (311) are sleeved between the head ends and the tail ends of the two sections of tubular membrane filtering bodies to form a circle of clamping ring, and the two sections of tubular membrane filtering bodies are fastened and connected end to end by fastening pieces (312). Through the design theory that the sectional type is connected, the sectional type concatenation forms, satisfies the design demand of membrane tube length, is difficult for blockking up.

Description

Membrane filter element with multi-section structure

Technical Field

The utility model relates to a membrane filtration element of multisection structure.

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 membrane filtering element in the microfiltration technology has the problems that the membrane tube is easy to block after being overlong in design, the cleaning is troublesome and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a membrane filtration element of multisection structure, through the design theory that the sectional type is connected, the sectional type concatenation forms, satisfies the design demand of membrane pipe length, overcomes the problem that exists among the background art.

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

a membrane filter element with a multi-section structure comprises a clamping hoop of a tubular membrane filter body and at least two single-section tubular membrane filter bodies which are composed of a membrane shell and a plurality of membrane tubes arranged in the inner cavity of the membrane shell; the tubular membrane filter body clamping hoop is composed of a plurality of half pieces which are circumferentially enclosed to form a clamping ring and a fastener which is used for fixing the half pieces and locking the clamping ring; the half pieces are sleeved between the head ends and the tail ends of the two sections of tubular membrane filtering bodies and form a circle of clamping ring in an enclosing mode, and the head ends and the tail ends of the two sections of tubular membrane filtering bodies are fastened and connected after the fastening pieces are fastened.

Furthermore, the number of the half pieces is two, the half ring structure bodies are of the same structure, two ends of each half piece are provided with connecting lugs, the connecting lugs at the two ends of the half pieces and the connecting lugs at the two ends of the half pieces are correspondingly provided with through fastening holes, and one fastening piece is correspondingly arranged in one through fastening hole to fasten the two half pieces.

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; 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.

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

The length direction of the membrane shell is the same as that of the membrane tube, the two ends of the membrane shell are provided with corresponding mounting plates, the two ends of the membrane tube are connected with the corresponding mounting plates in a plug-in manner, and the corresponding mounting plates are respectively provided with a water inlet and a water outlet which are communicated with the membrane tube; and the membrane shell is provided with a water producing port communicated with the inner cavity.

Further, the mounting plate is correspondingly connected with one end of the membrane shell in a sealing mode.

Furthermore, two ends of the membrane tube are inserted into and hermetically connected with the corresponding mounting plates.

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

the clamping hoops of the tubular membrane filter bodies are introduced to realize the head-tail fastening connection of the two sections of tubular membrane filter bodies, and the tubular membrane filter bodies are spliced in a sectional manner by the sectional connection design concept to meet the design requirement of the length of the membrane tubes,

the polymer of membrane pipe supports the skeleton and provides the support for the membrane pipe to, the polymer supports the skeleton and encircles the extension along the length direction of membrane pipe, makes the membrane pipe possess certain structural strength, is difficult to buckle, the rupture, and in addition, we have realized more ingeniously that accomplish the absorption of membrane filter unit on the hole of polymer support skeleton, realize reaching filterable purpose, make it possess good filter effect simultaneously.

Drawings

Fig. 1 is a plan view of the whole structure of the clamping hoop of the tubular membrane filter body 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.

Fig. 8 is a plan view of the overall structure of the present invention.

Fig. 9 is a view of fig. 8A-a.

Fig. 10 is a perspective view of fig. 8.

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; 4. the tubular membrane filter body is tightly clamped with the hoop; 311. half-sheet; 312. a fastener; 313. connecting lugs; 4. mounting a plate; 411. a water inlet; 412. and (7) a water outlet.

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, through the design theory that the sectional type is connected, the sectional type concatenation forms, satisfies the design demand of membrane pipe length, overcomes the problem that exists among the background art.

The embodiment discloses a membrane filter element with a multi-section structure, which is shown in figures 1-10 and comprises a clamping hoop 3 of a tubular membrane filter body and at least two single-section tubular membrane filter bodies consisting of a membrane shell 2 and a plurality of membrane tubes 1 arranged in the inner cavity of the membrane shell 2; the tubular membrane filter body clamping hoop 3 comprises a plurality of half pieces 311 which are circumferentially enclosed to form a clamping ring and a fastener 312 which is used for fixing the half pieces 311 and locking the clamping ring; the half pieces 311 are sleeved between the head and the tail ends of the two sections of tubular membrane filters and form a circle of clamping ring, and the two sections of tubular membrane filters are fastened and connected end to end after the fasteners 312 are fastened.

In a further embodiment, the tubular membrane filter body clamping hoop 3 of one structural form is unfolded, and the tubular membrane filter body clamping hoop 3 of the following structural form has the advantages of easy processing and manufacturing and the like, the number of the half pieces 311 is two, the half ring structures are the same, two ends of each half piece 311 are provided with connecting lugs 313, through fastening holes are correspondingly arranged between the connecting lugs 313 at two ends of the half piece 311 and the connecting lugs 313 at two ends of the half piece 311, and one fastening piece 312 is correspondingly arranged in one through fastening hole to fasten the two half pieces 311.

The membrane tube 1 is a plurality of membrane shells 2 and a corresponding matched number of membrane tubes 1 are selected according to actual requirements on site.

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

The length direction of the membrane shell 2 is the same as that of the membrane tube 1, the two ends of the membrane shell 2 are provided with corresponding mounting plates 4, the two ends of the membrane tube 1 are connected with the corresponding mounting plates 4 in a plug-in manner, and the corresponding mounting plates 4 are respectively provided with a water inlet 411 and a water outlet 412 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.

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

Promote holistic sealed effect, mounting panel 4 correspondingly with the one end sealing connection of membrane shell 2, the two ends of membrane pipe 1 and its corresponding mounting panel 4 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 (9)

1. A membrane filter element of a multi-node construction, wherein: comprises that

The tubular membrane filter body is tightly clamped with the hoop (3),

and at least two single-section tubular membrane filter bodies which are composed of a membrane shell (2) and a plurality of membrane tubes (1) arranged in the inner cavity of the membrane shell (2);

the tubular membrane filter body clamping hoop (3) is composed of a plurality of half pieces (311) which are circumferentially enclosed to form a clamping ring and a fastener (312) which is used for fixing and locking the clamping ring between the half pieces (311) and the half pieces (311);

the half pieces (311) are sleeved between the head ends and the tail ends of the two sections of tubular membrane filtering bodies to form a circle of clamping ring, and the two sections of tubular membrane filtering bodies are fastened and connected end to end by fastening pieces (312).

2. A multi-segmented construction membrane filter element as claimed in claim 1 wherein: the number of the half pieces (311) is two, the half ring structure bodies are of the same structure, two ends of each half piece (311) are provided with connecting lugs (313), through fastening holes are correspondingly formed between the connecting lugs (313) at the two ends of the half piece (311) and the connecting lugs (313) at the two ends of the half piece (311), and one fastening piece (312) is correspondingly installed in one through fastening hole to fasten the two half pieces (311).

3. A multi-segmented construction membrane filter element as claimed in claim 1 wherein: the membrane tube (1) is composed of a polymer support framework (111) and membrane filtration units (112) adsorbed on pores of the polymer support framework (111), and the polymer support framework (111) extends around along the length direction of the membrane tube (1); the polymer support skeleton (111) is a porous support skeleton obtained by bonding a hot-melt type non-crosslinked polymer by heating.

4. A multi-segmented construction membrane filter element as claimed in claim 3 wherein: the polymer is one or more of polyethylene, polypropylene, polyvinylidene fluoride, polytetrafluoroethylene, vinyl acetate alkyl, nylon, polyether sulfone and polycarbonate.

5. A multi-segmented construction membrane filter element as claimed in claim 3 wherein: the membrane filtration unit (112) is a filtration membrane block adsorbed on the pores of a polymeric support scaffold (111).

6. A multi-segmented construction membrane filter element as claimed in claim 5 wherein: the filtering pore diameter of the filtering membrane block is 20-100 nanometers.

7. A multi-segmented construction membrane filter element as claimed in claim 3 wherein: the length direction of the membrane shell (2) is the same as that of the membrane tube (1), two ends of the membrane shell (2) are provided with corresponding mounting plates (4), two ends of the membrane tube (1) are connected with the corresponding mounting plates (4) in an inserting manner, and the corresponding mounting plates (4) are respectively provided with a water inlet (411) and a water outlet (412) 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).

8. A multi-segmented construction membrane filter element as claimed in claim 7 wherein: the mounting plate (4) is correspondingly connected with one end of the membrane shell (2) in a sealing way.

9. A multi-segmented construction membrane filter element as claimed in claim 8 wherein: two ends of the membrane tube (1) are inserted into and hermetically connected with the corresponding mounting plates (4).

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