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air filter

An air filter and filter technology, which is applied in the fields of dispersed particle filtration, chemical instruments and methods, mechanical equipment, etc., can solve the problems of deformation and damage of filter assemblies, air leakage, etc., so as to ensure sealing and prevent air leakage. Effect

Active Publication Date: 2016-10-19
NIPPON MUKI CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, when the above-mentioned air filter is used, when a load exceeding the final pressure of the filter is applied due to drift or turbulence, the filter assembly may deviate and come into contact with the folded parts of the upper and lower filter frames, causing The problem of deformation, damage and air leakage of the filter assembly

Method used

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Examples

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Embodiment

[0052] Next, specific examples of the present invention will be described in comparison with Comparative Examples 1 and 2.

[0053] As an example, an air filter including a sheet material 5 with a stopper 5a wound with a sheet-shaped packing 4 was produced, and as a comparative example 1, an air filter without a sheet-shaped packing 4 wound with a stopper 5a was produced. As a comparative example 2, an air filter not equipped with a rectangular packing made of glass fiber was produced and compared.

[0054] In addition, the stainless steel plates 5 (141 mm × 568 mm × 0.8 mm, 0.6 kg) used in Examples and Comparative Examples 1 and 2 were provided with seven rows and two columns (row direction pitch 30 mm, column direction pitch 50 mm) The hole 5b with a diameter of 6 mm to 8 mm is set in the filter frame 1 after processing the plate material with a height of about 1 mm so that the burr 5c protrudes toward the filter unit 2 side.

[0055] (Example)

[0056] Such as figure 2 ...

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Abstract

To provide an air filter in which a filter pack is not moved in use as well as in which the filter pack does not fall off when used in horizontal direction. An air filter in which a sheet-shaped sealing material made of glass fibers is inserted into a zigzag-shaped end surface of a filter pack formed by folding a filter medium in zigzag shape and by inserting corrugated separators into folding spaces, and at least the zigzag-shaped end surface of the filter pack is surrounded by a filter frame having a C-shape in cross section and including folded portions formed by inwardly folding open ends, which includes a stopper between the folded portion in a downstream side and the filter pack and strip-shaped sealing materials made of glass fibers are embedded between the sheet-shaped sealing material and the filter pack so as to closely contact the separators in the folding spaces of the filter pack.

Description

technical field [0001] The present invention relates to an air filter which is used for purification of circulating air in dryers and the like, and exhaust gas treatment of incinerators, and which has heat resistance that can be used even in a high temperature range. Alternatively, it also relates to an air filter used also as an air cleaner for semiconductors, food, hospitals, etc. in room temperature or a relatively low temperature range. In particular, it relates to an air filter suitable for use in a sterilizing oven for pharmaceuticals in which the air filter is used horizontally (horizontally). Background technique [0002] In view of the applicant's purpose of using a heat-resistant inorganic sealant in a high temperature range without using a silicone resin and improving work efficiency, the following air filter is proposed in Patent Document 1, which uses a density of 20 kg / m 3 ~120kg / m 3 The filter assembly is housed in the filter frame by the sheet-shaped seal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/52F16J15/10
CPCB01D46/521B01D46/10
Inventor 林嗣郎
Owner NIPPON MUKI CO LTD
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