Metal net primary filter with pretreatment function

Abstract

The utility model provides a metal net primary filter with pretreatment, which comprises a filter component, a rectangular net component is mounted at the front part of the filter component, the filter component comprises a plurality of layers of stacked filter screens, and filter frames are respectively sleeved at the peripheral parts of the plurality of layers of stacked filter screens. And first mounting holes are equidistantly formed in each filter frame. Due to the arrangement of the rectangular net, the net frame, the connecting columns, the second mounting holes and the mounting bolts, larger impurities in gas can be separated from a filter net of the filter by utilizing the grating net, and the larger impurities are prevented from being attached to the filter to influence normal filtration of the filter.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas filtering, and in particular relates to a primary filter with a metal mesh having a pretreatment function. Background Art

[0002] A primary filter is a device for filtering gas, which is designed to filter larger dust and particles. The existing metal mesh primary filter includes a metal frame with multiple layers of metal mesh inside. This metal mesh primary filter filters the gas through the multiple layers of metal mesh, but when there are larger impurities in the filtered gas, the larger impurities are easily attached to the filter, reducing the filtering area of ​​the filter. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a metal mesh primary filter with pretreatment, which uses a grid mesh to separate larger impurities in the gas from the filter mesh of the filter, thereby preventing the larger impurities from attaching to the filter and affecting the normal filtration of the filter.

[0004] The utility model is realized by the following technical solutions:

[0005] A metal mesh primary filter with pretreatment includes a filter assembly, characterized in that a rectangular mesh assembly is installed at the front of the filter assembly, the filter assembly includes multiple layers of stacked filter meshes, and filter frames are respectively sleeved on the surrounding parts of the multiple layers of stacked filter meshes, and each filter frame is evenly spaced with a first mounting hole.

[0006] Preferably, an L-shaped connector is riveted between every two adjacent filter frames.

[0007] Preferably, the rectangular net assembly comprises a rectangular net, and a net frame is sleeved around the four sides of the rectangular net.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] In the utility model, the arrangement of the rectangular mesh, mesh frame, connecting column, second mounting hole and mounting bolt is conducive to using the grille mesh to separate larger impurities in the gas from the filter mesh of the filter, thereby preventing larger impurities from attaching to the filter and affecting the normal filtration of the filter.

[0010] In the utility model, the filter screen, the filter frame, the L-shaped connecting piece and the first mounting hole are arranged to facilitate filtering of the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0013] In the figure:

[0014] 1. Filter assembly; 11. Filter screen; 12. Filter frame; 13. L-shaped connector; 14. First mounting hole; 2. Rectangular screen assembly; 21. Rectangular screen; 22. Screen frame; 23. Connecting column; 24. Second mounting hole; 25. Mounting bolts. DETAILED DESCRIPTION

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. As shown in Figures 1 and 2, a metal mesh primary filter with pretreatment includes a filter assembly 1, a rectangular mesh assembly 2 is installed at the front of the filter assembly 1, the filter assembly 1 includes multiple layers of stacked filter meshes 11, and the surrounding parts of the multiple layers of stacked filter meshes 11 are respectively sleeved with filter frames 12, and an L-shaped connector 13 is rivet-connected between every two adjacent filter frames 12, and each filter frame 12 is equidistantly provided with first mounting holes 14.

[0016] In the present embodiment, specifically, the rectangular mesh assembly 2 comprises a rectangular mesh 21, the rectangular mesh 21 adopts a grid mesh, a mesh frame 22 is sleeved around the rectangular mesh 21, connecting columns 23 are arranged equidistantly between the mesh frame 22 and the filter frame 12, when the gas is processed, the mesh frame 22 and the connecting columns 23 separate larger impurities in the gas from the filter mesh 11 to prevent larger impurities from attaching to the filter and affecting the normal filtration of the filter, second mounting holes 24 are opened equidistantly around the mesh frame 22, and the first mounting hole 14, the second mounting hole 24 and the connecting column 23 are arranged opposite to each other.

[0017] In this embodiment, specifically, each set of facing filter frames 12 , mesh frames 22 and connecting posts 23 are fixed by mounting bolts 25 .

[0018] How it works

[0019] In the utility model, when in use, the filter assembly 1 is installed in the external filter system, and the rectangular mesh assembly 2 is installed at the front end of the filter assembly 1, the filter mesh 11 filters the gas to be treated, and the L-shaped connector 13 plays the role of fixing the filter frame 12.

[0020] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A metal mesh primary filter with pretreatment, the metal mesh primary filter with pretreatment comprising a filter assembly (1), characterized in that: A rectangular net assembly (2) is installed at the front of the filter assembly (1), and the filter assembly (1) comprises multiple layers of stacked filter nets (11). Filter frames (12) are respectively sleeved on the four sides of the multiple layers of stacked filter nets (11), and each filter frame (12) is provided with first mounting holes (14) at equal intervals.

2. The pre-filter with pre-treatment of metal mesh as claimed in claim 1, characterized in that: An L-shaped connecting piece (13) is rivet-connected between every two adjacent filter frames (12).

3. The metal mesh primary filter with pretreatment as claimed in claim 1, characterized in that: The rectangular net assembly (2) comprises a rectangular net (21), and a net frame (22) is sleeved around the four sides of the rectangular net (21).

4. The metal mesh primary filter with pretreatment as claimed in claim 3, characterized in that: Connecting columns (23) are arranged in sequence and at equal intervals between the mesh frame (22) and the filter frame (12).

5. The metal mesh primary filter with pretreatment as claimed in claim 3, characterized in that: Second mounting holes (24) are equidistantly formed around the mesh frame (22), and the first mounting hole (14), the second mounting hole (24) and the connecting column (23) are arranged opposite to each other.

6. The metal mesh primary filter with pretreatment as claimed in claim 1, characterized in that: Each set of facing filter frames (12), mesh frames (22) and connecting columns (23) are fixed by mounting bolts (25).

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