CN216677494U

CN216677494U - Silicon-based filter material for filtering gas

Info

Publication number: CN216677494U
Application number: CN202122565391.XU
Authority: CN
Inventors: 刘小平
Original assignee: Huating Nano Technology Shanghai Co ltd
Current assignee: Huating Nano Technology Shanghai Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-06-07
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to a silicon-based filter material for filtering gas in the technical field of silicon-based filter materials, which comprises: the plastic frame is fixedly provided with a plurality of magnets arranged along the length direction of the edge of the plastic frame, and the plastic frame is fixedly attached to the flange surface of the pipe orifice flange of the exhaust pipeline through the magnets; the filtering structure comprises an outer filtering net, a porous silicon dioxide film and an inner filtering net which are sequentially arranged at intervals in a gas circulation sequence, wherein the porous silicon dioxide film is fixed in the frame inner space of the plastic frame, the pipe orifice is in the range of the porous silicon dioxide film when the pipe orifice is observed at the visual angle of the flange face of the pipe orifice flange, the outer filtering net is fixedly attached to the outer side face of the plastic frame, and the inner filtering net is fixedly attached to the inner side face of the plastic frame. Is convenient to be disassembled and replaced quickly and is very convenient to use.

Description

Silicon-based filter material for filtering gas

Technical Field

The utility model relates to the technical field of silicon-based filter materials, in particular to a silicon-based filter material for filtering gas.

Background

At present, in the factory production link, before the polluting gas is required to be discharged outwards, the polluting gas is sufficiently filtered, and in order to reduce the pressure of a subsequent core filter element, a primary filter assembly is required to be installed on a pipe orifice flange of an exhaust pipeline. However, the prior art has involved the installation of the prefilter assembly to the orifice flange by bolts or other fasteners, which has led to the difficulty of assembly and disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a silicon-based filter material for filtering gas, which is convenient to detach and replace quickly and is very convenient to use.

The purpose of the utility model is realized as follows: the utility model provides a silicon-based filter media of straining gas locks in the flange face of exhaust duct's iron system mouth of pipe flange, includes:

the plastic frame is fixedly provided with a plurality of magnets arranged along the length direction of the edge of the plastic frame, and the plastic frame is fixedly attached to the flange surface of the pipe orifice flange of the exhaust pipeline through the magnets;

the filtering structure comprises an outer-layer filter screen, a porous silicon dioxide film and an inner-layer filter screen which are sequentially arranged at intervals according to a gas circulation sequence, wherein the porous silicon dioxide film is fixed in the frame space of the plastic frame, a pipe orifice is positioned in the range of the porous silicon dioxide film when being observed at a view angle vertical to the flange surface of the pipe orifice flange, the outer-layer filter screen is fixedly attached to the outer side surface of the plastic frame, and the inner-layer filter screen is fixedly attached to the inner side surface of the plastic frame;

the inner side face of the plastic frame is convexly provided with a supporting flange, the supporting flange extends around the edge of the plastic frame to form a closed frame structure and surrounds the pipe orifice and the inner-layer filter screen, and a preset interval is kept between the inner-layer filter screen and the flange face of the pipe orifice flange.

Further, the structure of the support flange of the plastic frame is matched with the contour of the pipe orifice flange.

Further, the structure of the plastic frame is matched with the contour of the pipe orifice flange.

Further, the outer layer filter screen is a filter screen attached with active carbon.

Furthermore, the inner layer filter screen is a filter screen attached with active carbon.

Further, the porous silica membrane is within the range of the outer screen when viewed from a viewing angle perpendicular to the flange face of the orifice flange.

Further, the porous silica membrane is within the range of the inner screen when viewed from a viewing angle perpendicular to the flange face of the orifice flange.

Furthermore, the supporting flange of the plastic frame is provided with a plurality of positioning grooves which are arranged along the length direction of the edge of the supporting flange and the openings of which face the pipe orifice flange, and the magnets are fixedly inserted into the positioning grooves one by one.

The utility model has the beneficial effects that:

1. the plastic frame is used as the filter material main body, the whole filter material is arranged in a light weight mode, and the filter material is fixed on the iron pipe orifice flange through the magnet, so that the filter material is convenient to detach and replace quickly, is very convenient to use, and is convenient to manufacture and use in a large scale;

2. the porous silica membrane can be used for fully filtering polluted gas, the outer layer filter screen (the filter screen attached with the activated carbon) is used for primarily filtering the polluted gas and adsorbing harmful substances, then the porous silica membrane is used for fully absorbing harmful gaseous substances such as formaldehyde, and the inner layer filter screen is used for filtering the gas again while protecting the porous silica membrane.

Drawings

Fig. 1 is an installation cross-sectional view of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a front view of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying figures 1-3 and specific examples.

As shown in fig. 1 to 3, a silicon-based filter medium for filtering gas, which is locked to a flange surface of an iron nozzle flange 6 of an exhaust pipe 7, includes:

the plastic frame 1 is fixedly provided with a plurality of magnets 2 arranged along the length direction of the edge of the plastic frame 1, and the plastic frame 1 is fixedly attached to the flange surface of a pipe orifice flange 6 of an exhaust pipeline 7 through the magnets 2;

filtration, it includes outer filter screen 3, porous silica membrane 4, the inlayer filter screen 5 of interval arrangement in proper order according to the gas flow order, and porous silica membrane 4 is fixed in the frame inner space of plastics frame 1 to the visual angle of the flange face of perpendicular to mouth of pipe flange 6 is observed, and the mouth of pipe is in the within range of porous silica membrane 4, and outer filter screen 3 is fixed to be laminated at the lateral surface of plastics frame 1, and inlayer filter screen 5 is fixed to be laminated at the medial surface of plastics frame 1.

Wherein, the medial surface of plastics frame 1 is equipped with support flange 1a protrudingly, and support flange 1a encircles 1 edge extension of plastics frame and forms closed frame structure to surround mouth of pipe and inlayer filter screen 5, make gaseous entering exhaust duct 7 after filtering, keep predetermined interval between the flange face of inlayer filter screen 5 and mouth of pipe flange 6. The support flange 1a of the plastic frame 1 is provided with a plurality of positioning grooves 1b which are arranged along the length direction of the edge of the support flange and have openings facing the pipe orifice flange 6, and the magnets 2 are fixedly inserted into the positioning grooves 1b one by one, so that the magnets 2 are convenient to install.

The structure of the support flange 1a of the plastic frame 1 is matched with the profile of the pipe orifice flange 6, the structure of the plastic frame 1 is matched with the profile of the pipe orifice flange 6, namely, the plastic frame is similar in shape, the profile of the pipe orifice flange 6 is a rounded rectangle in the embodiment, and the plastic frame 1 and the support flange 1a thereof are also rounded rectangles.

The outer layer filter screen 3 is a filter screen with attached active carbon, and the inner layer filter screen 5 is a filter screen with attached active carbon. The gas is filtered while protecting the porous silica membrane 4.

Viewed in a view perpendicular to the flange surface of the nozzle flange 6, the porous silica membrane 4 is located within the outer screen 3 and the porous silica membrane 4 is located within the inner screen 5.

While the preferred embodiments of the present invention have been described, those skilled in the art will appreciate that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a silica-based filter media of straining gas locks the flange face of the iron system mouth of pipe flange (6) of exhaust duct (7), its characterized in that includes:

the plastic frame (1) is fixedly provided with a plurality of magnets (2) arranged along the length direction of the edge of the plastic frame (1), and the plastic frame (1) is fixedly attached to the flange surface of a pipe orifice flange (6) of an exhaust pipeline (7) through the magnets (2);

the filtering structure comprises an outer filtering net (3), a porous silicon dioxide film (4) and an inner filtering net (5) which are sequentially arranged at intervals according to a gas circulation sequence, wherein the porous silicon dioxide film (4) is fixed in the frame space of the plastic frame (1), and a pipe orifice is positioned in the range of the porous silicon dioxide film (4) when observed from a visual angle perpendicular to the flange surface of a pipe orifice flange (6), the outer filtering net (3) is fixedly attached to the outer side surface of the plastic frame (1), and the inner filtering net (5) is fixedly attached to the inner side surface of the plastic frame (1);

the inner side face of the plastic frame (1) is convexly provided with a supporting flange (1a), the supporting flange (1a) extends around the edge of the plastic frame (1) to form a closed frame structure and surrounds the pipe orifice and the inner layer filter screen (5), and a preset interval is kept between the inner layer filter screen (5) and the flange face of the pipe orifice flange (6).

2. The gas-filtering silicon-based filter material of claim 1, which is characterized in that: the structure of the supporting flange (1a) of the plastic frame (1) is matched with the contour of the pipe orifice flange (6).

3. The gas-filtering silicon-based filter material of claim 2, wherein: the structure of the plastic frame (1) is matched with the outline of the pipe orifice flange (6).

4. The gas-filtering silicon-based filter material of claim 1, which is characterized in that: the outer layer filter screen (3) is a filter screen attached with active carbon.

5. The gas-filtering silicon-based filter material as claimed in claim 1 or 4, wherein: the inner layer filter screen (5) is a filter screen attached with active carbon.

6. The gas-filtering silicon-based filter material as claimed in claim 4, wherein: and the porous silicon dioxide film (4) is positioned in the range of the outer layer filter screen (3) when being observed at a visual angle vertical to the flange surface of the pipe orifice flange (6).

7. The gas-filtering silicon-based filter material of claim 6, wherein: the porous silicon dioxide film (4) is arranged in the range of the inner filter screen (5) when observed at a visual angle vertical to the flange surface of the pipe orifice flange (6).

8. The gas-filtering silicon-based filter material of claim 1, which is characterized in that: the support flange (1a) of plastics frame (1) is equipped with a plurality of constant head tanks (1b) that arrange along its marginal length direction, opening towards mouth of pipe flange (6), fixed cartridge constant head tank (1b) one by one of magnet (2).