CN212998960U

CN212998960U - Primary filter

Info

Publication number: CN212998960U
Application number: CN202021507545.9U
Authority: CN
Inventors: 庞国琴
Original assignee: Zhejiang Guotao Filter Material Technology Co ltd
Current assignee: Zhejiang Guotao Filter Material Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-20
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a primary filter, which comprises an outer frame, a protective net and a filter screen; the outer frame comprises a bottom plate in a regular quadrilateral frame shape, a supporting edge extends from the outer edge of the bottom plate, a pressing plate which is matched with the outer edge of the supporting edge and is in a regular quadrilateral frame shape is arranged on the inner side of the supporting edge, the pressing plate is connected with the bottom plate through bolts, the protective nets are respectively arranged on the end surfaces of the bottom plate and the pressing plate, and the filter screens are arranged between the bottom plate and the pressing plate and respectively abut against the end surfaces of the bottom plate and the pressing plate; the pressing plate is connected with the bottom plate through the bolts, so that the filter can be conveniently detached, and the filter screen is arranged between the bottom plate and the pressing plate, so that the filter screen can be conveniently detached, cleaned or replaced.

Description

Primary filter

Technical Field

The utility model belongs to the technical field of filtration, refer in particular to a primary filter.

Background

The air inlet and outlet of the equipment requiring high-temperature air purification such as ultra-clean drying and the like and the air inlet and outlet of the system for filtering the air are both provided with filters, however, the existing filters need to be replaced together when the filter screens are replaced, so that the maintenance cost is greatly improved, and the filtering effect of the existing filters is poor.

Disclosure of Invention

To the not enough of prior art existence, the utility model aims to provide a simple structure and easy to maintain's primary filter.

In order to achieve the above purpose, the utility model provides a following technical scheme: a primary filter comprises an outer frame, a protective net and a filter screen; the frame including being the bottom plate of positive four square frame types, the outer edge of bottom plate extends and has the support edge, and the support along the inboard clamp plate that is just four square frame types that is provided with the looks adaptation, clamp plate and bottom plate pass through bolted connection, the protection network set up respectively on the terminal surface of bottom plate and clamp plate, the filter screen setting between bottom plate and clamp plate, and offset with the terminal surface of bottom plate and clamp plate respectively.

Through adopting foretell technical scheme, clamp plate and bottom plate pass through bolted connection, can be convenient for dismantle of filter, thereby the filter screen setting can be convenient for dismantle, wash or change of filter screen between bottom plate and clamp plate.

The utility model discloses further set up to: the bottom plate middle part be provided with the similar spacing muscle I of bottom plate profile the clamp plate middle part be provided with the clamp plate with the same and relative spacing muscle II that sets up of I profile of spacing muscle, the filter screen setting in the inboard of spacing muscle I and spacing muscle II.

Through adopting foretell technical scheme, be provided with the spacing muscle I similar with the bottom plate profile in the middle part of the bottom plate, be provided with the spacing muscle II the same and relative setting with I profile of spacing muscle in the middle part of the clamp plate, the filter screen setting is in the inboard of spacing muscle I and spacing muscle II to the installation and the change of filter screen of can being convenient for.

The utility model discloses further set up to: the filter screen comprises a filter screen body made of metal, wherein the cross section of the filter screen body is in a wavy shape, and the cross section of the wavy shape is in an isosceles trapezoid shape; the filter screen is characterized in that both sides of the filter screen body are provided with activated carbon filter cotton layers, and the activated carbon filter cotton is provided with isosceles trapezoid bulges matched with the filter screen body.

By adopting the technical scheme, the metal filter screen body can ensure the integral strength of the filter screen; the section of the filter screen body is in a wavy shape with fluctuation and is in an isosceles trapezoid shape, so that the contact area can be increased, and the filtering effect is ensured; the filter screen comprises a filter screen body, wherein the two sides of the filter screen body are respectively provided with an activated carbon filtering cotton layer, and the activated carbon filtering cotton layers are provided with protrusions which are matched with the filter screen body and are in an isosceles trapezoid shape, so that the overall filtering effect of the filter screen can be improved.

The utility model discloses further set up to: the outer side of the activated carbon filtering cotton layer on one side of the filter screen body is bonded with three composite filtering layers; the outer layer of the three-layer composite filter layer is a honeycomb hole type filter material, the middle layer is a fiber filter layer, and the inner layer is an anti-wind resistance protective layer; the three layers are bonded through high temperature.

By adopting the technical scheme, through using the three-layer composite filter layer, not only the layer-by-layer filtration is carried out from small dust particles, but also the dust particles are not only attached to the surface of the filter material but also adsorbed in the space of the filter material in the thickness direction, so that the filter material can adsorb more dust particles, the wind resistance of the filter material is slowly increased, and the dust particles attached to the filter material are not easy to deform and break away from the constraint to pass through the filter material. Thereby prolonging the service life of the filter material and reducing the replacement frequency of the filter material.

The utility model discloses further set up to: the honeycomb hole-shaped filter material is glass fiber filter cotton with holes; the fiber filtering layer is made of synthetic fiber filtering cotton; the wind resistance protective layer is made of single-side lustre-finishing filter cotton.

By adopting the technical scheme, the nest-hole type filtering material is glass fiber filtering cotton with holes; the fiber filter layer is made of synthetic fiber filter cotton, and the wind resistance protective layer is made of single-side lustre finishing filter cotton, so that the filter effect and the practicability of the three-layer composite filter layer can be ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

reference numbers in the drawings and corresponding part names: the wind resistance filter comprises a base plate 1, a support edge 2, a pressure plate 3, a protective net 4, a limiting rib 5, a limiting rib I6, a limiting rib II 7, a filter screen body 8, an active carbon filter cotton layer 9, a composite filter layer 9, a honeycomb hole type filter material 9a, a fiber filter layer 9b and a wind resistance protective layer 9 c.

Detailed Description

An embodiment of the present invention is further explained with reference to fig. 1 to 2.

A primary filter comprises an outer frame, a protective net 4 and a filter screen; the frame including the bottom plate 1 that is positive four square frame type, the outer edge of bottom plate 1 extends and has the support along 2, and the support along 2 inboards be provided with the looks adaptation and be the clamp plate 3 of positive four square frame type, clamp plate 3 pass through bolted connection with bottom plate 1, protection network 4 set up respectively on the terminal surface of bottom plate 1 with clamp plate 3, the filter screen setting between bottom plate 1 and clamp plate 3, and offset with the terminal surface of bottom plate 1 and clamp plate 3 respectively.

Through adopting foretell technical scheme, clamp plate 3 passes through bolted connection with bottom plate 1, the dismantlement of the filter of being convenient for, thereby the filter screen setting can be convenient for the dismantlement, the washing or the change of filter screen between bottom plate 1 and clamp plate 3.

The utility model discloses further set up to: the middle part of the bottom plate 1 is provided with a limiting rib I5 similar to the outline of the bottom plate 1, the middle part of the pressing plate 3 is provided with a limiting rib II 6 which is identical to the outline of the pressing plate 3 and the outline of the limiting rib I5 and is arranged oppositely, and the filter screen is arranged on the inner sides of the limiting rib I5 and the limiting rib II 6.

Through adopting foretell technical scheme, be provided with at 1 middle part of bottom plate with 1 similar spacing muscle I5 of profile of bottom plate, be provided with in the middle part of clamp plate 3 with the same and relative spacing muscle II 6 that set up of spacing muscle I5 profile, the filter screen setting is in the inboard of spacing muscle I5 and spacing muscle II 6 to the installation and the change of filter screen of can being convenient for.

The utility model discloses further set up to: the filter screen comprises a filter screen body 7 made of metal, wherein the section of the filter screen body 7 is in a wavy shape with fluctuation, and the section of the wavy shape is in an isosceles trapezoid shape; the two sides of the filter screen body 7 are both provided with an active carbon filter cotton layer 8, and the active carbon filter cotton is provided with isosceles trapezoid bulges matched with the filter screen body 7.

By adopting the technical scheme, the metal filter screen body 7 can ensure the integral strength of the filter screen; the section of the filter screen body 7 is wavy in a fluctuating way, and the section of the wave is isosceles trapezoid, so that the contact area can be increased, and the filtering effect is ensured; all be provided with active carbon at the both sides of filter screen body 7 and filter cotton layer 8, active carbon filter cotton layer 8 on be formed with filter screen body 7 agrees with mutually be isosceles trapezoid's protruding to can improve the holistic filter effect of filter screen.

The utility model discloses further set up to: the outer side of the activated carbon filtering cotton layer 8 at one side of the filter screen body 7 is bonded with a three-layer composite filtering layer 9; the outer layer of the three-layer composite filter layer 9 is a honeycomb hole type filter material 9a, the middle layer is a fiber filter layer 9b, and the inner layer is an anti-wind resistance protective layer 9 c; the three layers are bonded through high temperature.

By adopting the above technical scheme, through using the three-layer composite filter layer 9, not only the layer-by-layer filtration is from the little dust particle, but also the dust particle is not only attached to the surface of the filter material but also absorbed in the space of the filter material in the thickness direction, so that the filter material can absorb more dust particles, the wind resistance of the filter material is increased slowly, and the dust particle attached to the filter material is not easy to deform and break away from the constraint to pass through the filter material. Thereby prolonging the service life of the filter material and reducing the replacement frequency of the filter material.

The utility model discloses further set up to: the honeycomb hole-shaped filter material 9a is glass fiber filter cotton with holes; the fiber filtering layer 9b is synthetic fiber filtering cotton; the wind resistance protection layer 9c is made of single-side polished filter cotton.

By adopting the technical scheme, the nest-hole type filtering material is glass fiber filtering cotton with holes; the fiber filter layer 9b is made of synthetic fiber filter cotton, and the wind resistance protection layer 9c is made of single-side hot-polishing filter cotton, so that the filtering effect and the practicability of the three-layer composite filter layer 9 can be ensured.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a primary filter, includes frame, protection network (4) and filter screen, characterized by: the frame including bottom plate (1) that is positive four side frame type, the outer edge of bottom plate (1) is extended and is had support along (2), and support along (2) inboard be provided with looks adaptation and be clamp plate (3) of positive four side frame type, clamp plate (3) pass through bolted connection with bottom plate (1), protection network (4) set up respectively on the terminal surface of bottom plate (1) and clamp plate (3), the filter screen setting between bottom plate (1) and clamp plate (3).

2. A primary filter as recited in claim 1, wherein: bottom plate (1) middle part be provided with bottom plate (1) similar spacing muscle I (5) of profile clamp plate (3) middle part be provided with spacing muscle II (6) the same and relative setting of spacing muscle I (5) profile, the filter screen setting in the inboard of spacing muscle I (5) and spacing muscle II (6).

3. A primary filter as claimed in claim 2, wherein: the filter screen comprises a filter screen body (7) made of metal, wherein the section of the filter screen body (7) is in a wavy shape with fluctuation, and the section of the wavy shape is in an isosceles trapezoid shape; the filter screen is characterized in that activated carbon filter cotton layers (8) are arranged on two sides of the filter screen body (7), and isosceles trapezoid protrusions matched with the filter screen body (7) are formed on the activated carbon filter cotton layers (8).

4. A primary filter as claimed in claim 3, wherein: the outer side of the activated carbon filtering cotton layer (8) on one side of the filter screen body (7) is bonded with a three-layer composite filtering layer (9); the outer layer of the three-layer composite filter layer (9) is a honeycomb hole type filter material (9a), the middle layer is a fiber filter layer (9b), the inner layer is an anti-wind resistance protective layer (9c), and the three layers are bonded through high temperature.

5. A primary filter as claimed in claim 4, wherein: the honeycomb hole-shaped filter material (9a) is glass fiber filter cotton with holes; the fiber filtering layer (9b) is made of synthetic fiber filtering cotton; the wind resistance protection layer (9c) is made of single-side permed filter cotton.