CN220609580U

CN220609580U - Air filter

Info

Publication number: CN220609580U
Application number: CN202322253526.8U
Authority: CN
Inventors: 冉孟福; 赫朝辉
Original assignee: Xinjiang Dianshang Chemical Co ltd
Current assignee: Xinjiang Dianshang Chemical Co ltd
Priority date: 2023-08-22
Filing date: 2023-08-22
Publication date: 2024-03-19
Anticipated expiration: 2033-08-22

Abstract

The utility model relates to the technical field of gas treatment, and particularly discloses an air filter, which comprises a shell which is arranged between a fan and formaldehyde production equipment in a sealing and detachable manner, wherein one end of the shell is provided with a gas inlet, the two sides of the other end of the shell are symmetrically provided with gas outlets, a first filter screen is arranged in the shell, a plurality of first filter holes are uniformly distributed on the first filter screen, a second filter screen is also arranged between the first filter screen and the gas outlets in the shell, a plurality of second filter holes are uniformly distributed on the second filter screen, the aperture of the first filter holes is larger than that of the second filter holes, a plurality of material separating pieces which are arranged at intervals with the second filter holes and used for separating impurities on the second filter screen are uniformly distributed on the second filter screen, and the problems that dust impurities are contained in air used in the traditional formaldehyde production, the production quality of formaldehyde is influenced, and economic loss is caused are solved.

Description

Air filter

Technical Field

The application relates to the technical field of gas treatment, and particularly discloses an air filter.

Background

Formaldehyde is an organic chemical substance, also called formaldehyde, is colorless and has a stimulating effect on eyes, nose and the like, is easily dissolved in water and ethanol, the concentration of aqueous solution can reach 55%, generally 35% -40%, generally 37%, and is called formaldehyde water, commonly called formalin.

In the formaldehyde production process, air is required, however, the air contains impurities such as dust, if the air is directly extracted and introduced into formaldehyde production equipment by using a fan, the production quality of formaldehyde is adversely affected, and unnecessary economic loss in formaldehyde production cost is caused, so the inventor has provided an air filter in view of the above problems.

Disclosure of Invention

The utility model aims to solve the problems that dust impurities are contained in air used in the traditional formaldehyde production, the production quality of formaldehyde is affected, and economic loss is caused.

In order to achieve the above purpose, the basic scheme of the utility model provides an air filter, which comprises a shell which is arranged between a fan and formaldehyde production equipment in a sealing and detachable way, wherein one end of the shell is provided with an air inlet, two sides of the other end of the shell are symmetrically provided with air outlets, a first filter screen is arranged in the shell, a plurality of first filter holes are uniformly distributed on the first filter screen, a second filter screen is also arranged between the first filter screen and the air outlets in the shell, a plurality of second filter holes are uniformly distributed on the second filter screen, the aperture of the first filter holes is larger than that of the second filter holes, and a plurality of material separating pieces which are arranged at intervals with the second filter holes and used for separating impurities on the second filter screen are also uniformly distributed on the second filter screen.

Compared with the prior art, the utility model realizes double filtration and impurity removal treatment on the air flowing in the shell by arranging the first filter screen and the second filter screen, and the material separating piece is arranged to cooperate with the second filter screen to play a role in separating impurities in the air, so that the quality of the air is improved, the material quality of formaldehyde production is optimized, and the problems that dust impurities are contained in the air used in the traditional formaldehyde production, the production quality of formaldehyde is influenced, and economic loss is caused are solved.

Further, separate the material piece and prick the piece including establishing the material that separates on the top surface of second filter screen, separate the material and prick the piece and be crescent structure, separate the material and prick the piece and set up with the second filtration pore interval on the second filter screen, there is the ventilation clearance that communicates and be less than the aperture of second filtration pore with the second filtration pore between the top of arbitrary adjacent two material that separates prick the piece. Through setting up separating material and pricking the piece, with the impurity separation in the air on separating material and pricking the piece, through ventilation clearance, make the air can circulate in the shell and supply with the use to formaldehyde production facility, reached the effect of cubic filtration.

Further, one side of the top of the material separating and bundling block, which is close to the first filter screen, is provided with activated carbon. Through setting up the active carbon, be convenient for adsorb the impurity in the air of inflow ventilation clearance for edulcoration filter effect is better.

Further, the first filter screen is of a conical structure. Through adopting the first filter screen of cone structure, be convenient for gather the impurity of filtration on first filter screen, be convenient for not only follow-up collection to impurity handle, still can prevent that impurity from spreading over on first filter screen and causing first filter screen to block up.

Further, the inner wall of the shell is provided with a mounting groove for accommodating and mounting the first filter screen, and the outer ring profile of the first filter screen is embedded in the mounting groove. Through setting up the mounting groove, be convenient for the installation and the fixed to first filter screen.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic structural view of an air filter according to an embodiment of the present application;

fig. 2 shows an enlarged view of the a-section structure of fig. 1 of an air filter according to an embodiment of the present application.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a shell 1, an air inlet 2, a first filter screen 3, an air outlet 4, a second filter screen 5, activated carbon 6, a material separating and bundling block 7, a second filter hole 8, an air gap 9 and a mounting groove 10.

An air filter, an embodiment of which is shown in figure 1: including sealed demountable installation shell 1 between the production facility of fan and formaldehyde, shell 1 top is equipped with into gas port 2, the left and right sides symmetry of the bottom of shell 1 is equipped with gas outlet 4, the inside first filter screen 3 that is equipped with of shell 1, the equipartition has a large amount of first filter screen 3 on the first filter screen 3, the inside second filter screen 5 that still is equipped with between first filter screen 3 and the gas outlet 4 of shell 1, the equipartition has a large amount of second filter screen 8 on the second filter screen 5, the aperture of first filter screen is greater than the aperture of second filter screen 8, still the equipartition has on the second filter screen 5 and sets up with second filter screen 8 interval and be used for separating impurity on the second filter screen 5 a large amount of material separating pieces.

Specifically, as shown in fig. 2, the material separating member comprises a material separating and bundling block 7 arranged on the top surface of the second filter screen 5, the material separating and bundling block 7 is of a meniscus-shaped structure, the material separating and bundling block 7 and the second filter holes 8 are arranged on the second filter screen 5 at intervals, a ventilation gap 9 communicated with the second filter holes 8 and smaller than the aperture of the second filter holes 8 exists between the tops of any two adjacent material separating and bundling blocks 7, and the back surface of the material separating and bundling block 7 is provided with activated carbon 6. The air passing through the second filter screen 5 blocks the dust and impurities carried in the air on the material-separating binding block 7 or is adsorbed on the activated carbon 6, and the air passes through the ventilation gap 9 and the second filter holes 8.

Specifically, as shown in fig. 1, the first filter screen 3 has a conical structure, the inner wall of the housing 1 is provided with a mounting groove 10 for accommodating and mounting the first filter screen 3, and the outer ring profile of the first filter screen 3 is embedded in the mounting groove 10. Impurities filtered on the surface of the first screen 3 may be concentrated to the bottom of the first screen 3 along the inclined direction thereof.

In the specific implementation process of the utility model, air is extracted by starting a fan, and the air flows through an air inlet 2, a first filter screen 3, a second filter screen 5 and an air outlet 4 of the shell 1, and finally formaldehyde is introduced into production equipment for use reaction, when the air flows through the shell 1 and flows through the first filter screen 3, the air directly passes through the first filter screen 3, and impurities such as dust and the like with the specification larger than the aperture of the first filter screen are blocked on the first filter screen 3, and are gathered at the cone bottom of the first filter screen 3 under the action of gravity and the fan, so that most of the impurities in the air are blocked and filtered; the air passing through the first filter screen 3 then passes through the second filter screen 5, the air directly passes through the ventilation gap 9 and the second filter holes 8 and flows to the air outlet 4, and the fine impurities carried in the air are adsorbed on the activated carbon 6 on the back of the material separating and binding block 7 when passing through the ventilation gap 9, so that the air is filtered, and the air in formaldehyde production is cleaner.

Compared with the prior art, the utility model realizes double filtration and impurity removal treatment on air flowing in the shell 1 by arranging the first filter screen 3 and the second filter screen 5, and the separation material bundling block 7, the ventilation gap 9 and the activated carbon 6 are arranged to cooperate with the second filter screen 5 and the second filter holes 8 to play a role in blocking impurities in the air, thereby improving the quality of the air, further optimizing the material quality of formaldehyde production, and solving the problems that dust impurities are contained in the air used in the traditional formaldehyde production, the production quality of formaldehyde is influenced and economic loss is caused.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. An air filter, characterized in that: including sealed demountable installation shell between the production facility of fan and formaldehyde, shell one end is equipped with the gas inlet, and the other end bilateral symmetry of shell is equipped with the gas outlet, and the inside first filter screen that is equipped with of shell, equipartition has a plurality of first filtration holes on the first filter screen, and the inside second filter screen that still is equipped with between first filter screen and the gas outlet that is located of shell, equipartition has a plurality of second filtration holes on the second filter screen, and the aperture of first filtration hole is greater than the aperture of second filtration hole, still equipartition have on the second filter screen with second filtration hole interval set up and be used for separating impurity separation a plurality of material pieces on the second filter screen.

2. An air filter according to claim 1, wherein the material separating member comprises a material separating and binding block arranged on the top surface of the second filter screen, the material separating and binding block is of a meniscus-shaped structure, the material separating and binding block and the second filter holes are arranged at intervals on the second filter screen, and a ventilation gap communicated with the second filter holes and smaller than the aperture of the second filter holes exists between the tops of any two adjacent material separating and binding blocks.

3. An air filter according to claim 2, wherein the top of the spacer block is provided with activated carbon on a side thereof adjacent to the first screen.

4. An air filter according to any one of claims 1 to 3, wherein the first screen is of conical configuration.

5. An air filter according to claim 4, wherein the inner wall of the housing is provided with a mounting groove for receiving and mounting the first filter screen, the outer ring profile of the first filter screen being fitted in the mounting groove.