Air filter

An air filter and filter material technology, which is applied in the direction of dispersed particle filtration, chemical instruments and methods, and dispersed particle separation, can solve the problems of increased replacement work burden and increased total weight of the air filter, and achieve easy replacement operations , weight reduction and cost reduction effects

Active Publication Date: 2014-12-24
NIPPON MUKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if a plurality of filter media are integrated, the total weight of the air filter becomes larger, and the burden of replacement work becomes larger.

Method used

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Examples

Experimental program
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Effect test

Embodiment

[0093] (pre-filter)

[0094] A non-woven filter material for a pre-filter was manufactured by chemical bonding with the following structure.

[0095] 54% by weight of PET fiber was used as the synthetic resin fiber, and 46% by weight of styrene-butadiene rubber (SBR) was used as the binder.

[0096] In the fiber structure of PET fibers, fibers with a fiber diameter of 12 denier accounted for 50% by mass, and fibers with a fiber diameter of 15 denier accounted for 50% by mass. With the aforementioned fiber structure, the average fiber diameter was 13.5 denier (37.6 μm).

[0097] Use above-mentioned synthetic resin fiber and binding agent, obtain by thickness be 10mm, fiber unit area weight be 300g / m 2 , The fiber surface area per unit volume of the filter material is 1490m 2 / m 3 A pre-filter made of chemically bonded non-woven fabric.

[0098] (filter filler)

[0099] For a thickness of 0.1mm and a weight per unit area of ​​23g / m 2 The melt-blown non-woven fabric made of ...

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PUM

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Abstract

The invention provides an air filter in which a plurality of filtering materials with different capturing efficiencies can be simultaneously and easily changed. The air filter which is configured in a ventilation channel is provided with the components of: a first filtering material; a second filtering material which has a capturing efficiency that is higher than that of the first filtering material, and furthermore is configured at a position at the downstream side of the ventilation channel than the first filtering material; and a frame which surrounds the peripheral parts of the first filtering material and the second filtering material so that the first filtering material and the second filtering material are integrated. The upstream-side ends of the upper surface and the lower surface of the first filtering material are bonded with the frame through a sealing material which is linearly arranged in a direction which is crossed with an upstream-and-downstream direction. The downstream-side ends of the upper surface and the lower surface of the second filtering material are bonded with the frame through the sealing material which is linearly arranged in a direction which is crossed with the upstream-and-downstream direction.

Description

technical field [0001] The present invention relates to an air filter mounted on a filter device such as an air conditioner. Background technique [0002] In the "Building Environmental Sanitation Management Standards" stipulated in the "Law Concerning Securing Sanitary Environments in Buildings" (Building Sanitation Law, commonly known as: Building Management Law), it is shown that the amount of suspended dust is 0.15 mg / m 3 The following such standards. The owner or the like of a specific building stipulated in this law has an obligation to maintain and manage the specific building in accordance with this standard. In order to meet this standard, a plurality of air filters having filter media having different collection efficiencies are installed in filter devices of air conditioners. For example, use a coarse dust filter with low collection efficiency as a pre-filter, and use a medium-performance filter with a higher collection efficiency than the coarse dust filter to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D46/52
Inventor 三关元新舍范一北山治杉本数弘
Owner NIPPON MUKI CO LTD
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