CN215939129U

CN215939129U - Be suitable for high pressure diaphragm to squeeze and prevent palirrhea filter element of feed inlet

Info

Publication number: CN215939129U
Application number: CN202121095493.3U
Authority: CN
Inventors: 周林杰; 陈科庆; 杨华
Original assignee: Zhejiang Jieweikai Filtration Technology Co ltd
Current assignee: Zhejiang Jieweikai Filtration Technology Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-03-04
Anticipated expiration: 2031-05-21

Abstract

The application relates to the technical field of filter elements, and discloses a filter element suitable for high-pressure diaphragm pressing and preventing backflow of a feed inlet, which comprises a filter plate, wherein the filter element further comprises a feeding flange, a rubber diaphragm, a diaphragm lining plate and a rubber gasket, the rubber diaphragm is connected with the filter plate, the feeding flange is positioned between the rubber diaphragm and the filter plate and is connected with the rubber diaphragm and the filter plate, the rubber diaphragm comprises a limiting block and a limiting ring, the limiting block is positioned at two sides and four corners of the rubber diaphragm and is connected with the rubber diaphragm, the limiting ring is positioned at two sides of the rubber diaphragm and is connected with the rubber diaphragm, the filter element suitable for high-pressure diaphragm pressing and preventing backflow of the feed inlet can be pressed through the application, the material can be pressed, and compared with a common filter element, the filter element provided by the application, can the palirrhea phenomenon appear in the material mouth, guarantee with the laminating of diaphragm welt stable.

Description

Be suitable for high pressure diaphragm to squeeze and prevent palirrhea filter element of feed inlet

Technical Field

The application relates to the technical field of filter elements, especially, relate to a be suitable for high pressure membrane and squeeze and prevent palirrhea filter element of feed inlet.

Background

The filter mechanism consists of filter plates, filter frames, filter cloth and a squeezing diaphragm, wherein both sides of each filter plate are coated by the filter cloth, and one group of filter plates consists of a diaphragm plate and a common filter plate. The material enters each filter chamber from the feeding hole on the thrust plate, solid particles are trapped in the filter chambers because the particle size of the solid particles is larger than the aperture of the filter medium (filter cloth), and filtrate flows out from the liquid outlet hole below the filter plate. When the filter cake needs to be squeezed, compressed air or steam can be introduced from a washing port besides being squeezed by a diaphragm, and the water content in the filter cake is flushed by airflow so as to reduce the water content of the filter cake.

In order to enable the filter cake to have low water content, more flow passages are arranged on the filter plate, and the filter cake is subjected to secondary high-pressure diaphragm pressing by using the diaphragm. If the material flow channel design of the filter plate is not scientific, the material can flow back to block the feeding channel to influence the feeding and filtering of the next batch.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, the application provides a be suitable for high pressure diaphragm to squeeze and prevent palirrhea filter element of feed inlet, possesses and prevents that high pressure diaphragm from squeezing advantages such as the in-process material is palirrhea for material circulation pipeline design is unscientific among the solution prior art, can lead to the palirrhea problem of material.

(II) technical scheme

The application provides the following technical scheme: the utility model provides a be suitable for high pressure diaphragm to squeeze and prevent palirrhea filter element of feed inlet, includes the filter plate, filter element still includes feeding flange, rubber diaphragm, diaphragm welt and rubber packing ring, rubber diaphragm with the filter plate is connected, feeding flange is located between rubber diaphragm and the filter plate and with rubber diaphragm and filter plate are connected, rubber diaphragm includes stopper and spacing ring, the stopper is located the two sides four corners of rubber diaphragm and with rubber diaphragm connects, the spacing ring is located the two sides of rubber diaphragm and with rubber diaphragm connects.

Through the palirrhea filter element of feed inlet is prevented to suitable high pressure diaphragm to squeeze that this application provided, can squeeze the material, for ordinary filter element, palirrhea phenomenon can appear in the material mouth in the component that this application provided.

Can form stable effect of squeezing when the material gets into through setting up the rubber diaphragm piece, and the spacing ring can guarantee stable with the laminating of diaphragm welt, guarantees that the rubber diaphragm receives can not warp under squeezing pressure, and the feeding flange is the stainless steel, and the corner filters for the fillet.

In a possible embodiment, the filter plate includes a first groove, a boss, and a first fixing hole, the first groove is opened on both sides of the filter plate, the boss is located in the first groove on both sides of the filter plate and connected to the boss, and the first fixing hole is opened on the filter plate.

Through setting up the boss can form the cavity with rubber diaphragm, the material can get into the cavity and squeeze, forms the filter cake.

In a possible embodiment, the feed flange comprises a feed opening and an arc-shaped baffle, the feed opening penetrates through the feed flange, and the arc-shaped baffle is connected with the filter plate.

The feeding flange can ensure that the material enters between the filter plate and the rubber diaphragm, and the feeding is stable.

In a possible implementation mode, the diaphragm lining plate comprises a second groove, a limiting table and a second fixing hole, the second groove is located on one side, close to the rubber diaphragm (3), of the diaphragm lining plate, the limiting table is located in the second groove and connected with the diaphragm lining plate, and the second fixing hole is formed in the diaphragm lining plate.

Can be fixed with rubber diaphragm through setting up the baffle welt to guarantee rubber diaphragm's stability.

In a possible embodiment, the rubber diaphragm is connected to the diaphragm lining plate, and the rubber diaphragm is connected to the filter plate and the diaphragm lining plate through a limiting block.

The rubber diaphragm is fixed through the filter plate and the diaphragm lining plate, so that the stability of the rubber diaphragm is convenient to achieve when materials enter.

In a possible embodiment, the rubber gasket is located between the filter plate and the diaphragm lining plate, and the limiting ring is connected with the limiting table.

Can guarantee through setting up the rubber packing ring that sealed stable between welt and the diaphragm welt, and can guarantee between welt and the diaphragm welt that the position is relatively fixed, play spacing effect.

In a possible embodiment, the first fixing hole and the second fixing hole are communicated in a penetrating manner, and the filter plate, the rubber diaphragm sheet and the diaphragm lining plate are connected to form a filter chamber.

Can squeeze the material through filtering the cavity to guarantee that the material can not flow backward, utilize first fixed orifices and second fixed orifices can be to filter plate and rubber spacer position relatively fixed.

Compared with the prior art, the application provides a be suitable for high pressure membrane to squeeze and prevent palirrhea filter element of feed inlet, possesses following beneficial effect:

1. this application is through setting up the feeding flange, and the material that can be convenient for can conveniently get into the material and filter the cavity, and the feeding in-process has feed pressure during the material feeding, can strut the diaphragm, and the material of time gets into and filters the cavity.

2. This application can be convenient for when the diaphragm squeezes through setting up the rubber diaphragm piece, and diaphragm pressure can make the rubber diaphragm piece strut and stifled at the feeding flange passageway, has solved the palirrhea problem of material, and it is unobstructed to filter the passageway when guaranteeing next batch feeding, guarantees that each cavity material is even.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

FIG. 1 is an exploded view of the overall construction of a filter element suitable for high pressure diaphragm pressing to prevent feed inlet backflow as provided herein;

FIG. 2 is a schematic diagram of a filter plate of a filter element suitable for high pressure diaphragm pressing to prevent backflow of a feed inlet provided by the present application;

FIG. 3 is a schematic view of a material backflow mechanism for a filter element adapted for high pressure diaphragm pressing to prevent backflow of the feed inlet provided herein;

FIG. 4 is a feed press configuration of a filter element adapted for high pressure diaphragm pressing to prevent feed inlet backflow as provided herein;

FIG. 5 is an enlarged view of a filter element adapted for high pressure diaphragm pressing to prevent backflow at the feed inlet according to the present application;

FIG. 6 is an enlarged view of a filter element for preventing backflow at the feed inlet, which is suitable for high pressure diaphragm pressing provided by the present application;

fig. 7 is an enlarged view of a filter element suitable for high pressure membrane pressing to prevent backflow of a feed inlet at position C.

Wherein: the device comprises a filter plate 1, a feeding flange 2, a rubber diaphragm 3, a diaphragm lining plate 4, a rubber gasket 5, a first groove 101, a boss 102, a first fixing hole 103, a feeding hole 201, an arc baffle 202, a limiting block 301, a limiting ring 302, a second groove 401, a limiting table 402 and a second fixing hole 403.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 1-7, the present application provides a filter element suitable for high pressure membrane pressing to prevent feed throat backflow: including filter plate 1, the filter element still includes feeding flange 2, rubber diaphragm piece 3, diaphragm welt 4 and rubber packing ring 5, rubber diaphragm piece 3 is connected with filter plate 1, feeding flange 2 is located between rubber diaphragm piece 3 and the filter plate 1 and is connected with rubber diaphragm piece 3 and filter plate 1, rubber diaphragm piece 3 includes stopper 301 and spacing ring 302, stopper 301 is located the two sides four corners of rubber diaphragm piece 3 and is connected with rubber diaphragm piece 3, spacing ring 302 is located the two sides of rubber diaphragm piece 3 and is connected with rubber diaphragm piece 3.

Can form stable effect of squeezing when the material gets into through setting up rubber diaphragm 3, and the laminating that the spacing ring 302 can guarantee with diaphragm welt 4 is stable, guarantees that the rubber diaphragm can not warp under receiving the pressure of squeezing, and feeding flange 2 is the stainless steel, and the corner filters for the fillet.

Specifically, as shown in fig. 1-2, in one possible embodiment, the filter sheet 1 includes a first groove 101, a boss 102, and a first fixing hole 103, the first groove 101 is opened on both sides of the filter sheet 1, the boss 102 is located in the first groove 101 on both sides of the filter sheet 1 and connected to the boss 102, and the first fixing hole 103 is opened on the filter sheet 1.

Through the arrangement of the boss 102, a cavity can be formed with the rubber diaphragm 3, and materials can enter the cavity and be squeezed to form a filter cake.

Specifically, as shown in fig. 1 and 5-6, in one possible embodiment, the feed flange 2 includes a feed inlet 201 and an arc-shaped baffle 202, the feed inlet 201 extends through the feed flange 2, and the arc-shaped baffle 202 is connected to the filter plate 1.

Through setting up feeding flange 2 can guarantee that the material enters into between filter plate 1 and the rubber diaphragm piece 3, guarantee that the feeding is stable.

Specifically, as shown in fig. 1, in one possible embodiment, the diaphragm liner 4 includes a second groove 401, a limiting table 402 and a second fixing hole 403, the second groove 401 is located on one side of the diaphragm liner 4 close to the rubber diaphragm 3, the limiting table 402 is located in the second groove 401 and connected with the diaphragm liner 4, and the second fixing hole 403 is opened in the diaphragm liner 4.

Can fix rubber diaphragm 3 through setting up the baffle welt to guarantee rubber diaphragm 3's stability.

Specifically, as shown in fig. 1 and fig. 3 to 4, in one possible embodiment, the rubber diaphragm 3 is connected to the diaphragm liner 4, and the rubber diaphragm 3 is connected to the filter plate 1 and the diaphragm liner 4 through the limiting block 301.

The rubber diaphragm 3 is fixed through the filter plate 1 and the diaphragm lining plate 4, so that the stability of the rubber diaphragm 3 is convenient when materials enter.

Specifically, as shown in fig. 5-6, in one possible embodiment, a rubber gasket 5 is positioned between the filter plate 1 and the membrane backing plate 4, and the stop collar 302 is connected to the stop block 402.

Can guarantee through setting up rubber packing ring 5 that sealed stability between welt and the diaphragm welt 4, and can guarantee between welt and the diaphragm welt 4 that the position is relatively fixed, play spacing effect.

Specifically, as shown in fig. 1-2, in one possible embodiment, the first fixing hole 103 and the second fixing hole 403 are communicated, and the filter plate 1, the rubber diaphragm 3 and the diaphragm liner 4 are connected to form a filter chamber.

Can squeeze the material through filtering the chamber to guarantee that the material can not flow backward, utilize first fixed orifices 103 and second fixed orifices 403 can be to filter plate 1 and rubber spacer position relatively fixed.

In addition this application still provides a be suitable for high pressure diaphragm and squeeze and prevent palirrhea filter element's of feed inlet use method, the feeding process, there is feed pressure when the material is fed by feeding flange 2, can strut rubber diaphragm 3, make the material get into and filter the cavity, when traditional diaphragm squeezes, the filter cake after the diaphragm squeezing force can be crowded back to feedstock channel to the filter cake after filtering, make filter channel pile up the material and produce the filter cake, can't clear away, this part material can block up during the filtration of the second time, cause not have the material in the filter cavity, can't form the filter cake, cause pressure differential and rupture of plates between the cavity when feeding once more and squeezing, this structure is when the diaphragm squeezes, diaphragm pressure can make the diaphragm strut and block up at feeding flange 2 passageways, the material problem of backflowing has been solved. The filter channel is smooth when the next batch of feeding is ensured, and the material uniformity of each cavity is ensured.

Claims

1. The utility model provides a be suitable for high pressure diaphragm to squeeze and prevent palirrhea filter element of feed inlet, includes filter plate (1), its characterized in that: the filter element still includes feeding flange (2), rubber diaphragm piece (3), diaphragm welt (4) and rubber packing ring (5), rubber diaphragm piece (3) with filter plate (1) are connected, feeding flange (2) are located between rubber diaphragm piece (3) and filter plate (1) and with rubber diaphragm piece (3) and filter plate (1) are connected, rubber diaphragm piece (3) include stopper (301) and spacing ring (302), stopper (301) are located the two sides four corners of rubber diaphragm piece (3) and with rubber diaphragm piece (3) are connected, spacing ring (302) are located the two sides of rubber diaphragm piece (3) and with rubber diaphragm piece (3) are connected.

2. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback as claimed in claim 1 wherein: the filter plate (1) comprises a first groove (101), a boss (102) and a first fixing hole (103), wherein the first groove (101) is formed in two surfaces of the filter plate (1), the boss (102) is located in the first groove (101) on two sides of the filter plate (1) and connected with the boss (102), and the first fixing hole (103) is formed in the filter plate (1).

3. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback according to claim 2, wherein: the feeding flange (2) comprises a feeding hole (201) and an arc-shaped baffle plate (202), the feeding hole (201) penetrates through the feeding flange (2), and the arc-shaped baffle plate (202) is connected with the filter plate (1).

4. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback according to claim 3, wherein: diaphragm welt (4) include second recess (401), spacing platform (402) and second fixed orifices (403), second recess (401) are located one side that diaphragm welt (4) are close to rubber diaphragm piece (3), spacing platform (402) are located in second recess (401) and with diaphragm welt (4) are connected, second fixed orifices (403) are seted up in diaphragm welt (4).

5. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback according to claim 4, wherein: rubber diaphragm piece (3) with diaphragm welt (4) are connected, rubber diaphragm piece (3) through stopper (301) with filter plate (1) and diaphragm welt (4) are connected.

6. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback according to claim 5, wherein: the rubber gasket (5) is positioned between the filter plate (1) and the diaphragm lining plate (4), and the limiting ring (302) is connected with the limiting table (402).

7. A filter element adapted for high pressure diaphragm pressing against feed inlet flowback according to claim 6, wherein: the first fixing hole (103) and the second fixing hole (403) are communicated in a penetrating mode, and the filter plate (1), the rubber diaphragm sheet (3) and the diaphragm lining plate (4) are connected to form a filter chamber.