[Case Study] Filter Construction - From Proposal to Material Procurement and On-Site Installation

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last updated：Oct 22, 2020

蒲田工業

Official site

Filter construction - We provide a total service from proposal to material procurement and on-site installation.

There is a ventilation opening in the upper wall above the entrance door of the laboratory, through which outdoor air mixed with soot and dust from black smoke generated on the rooftop was entering the room. A filter-equipped outlet was installed at the ventilation opening, but since the outlet was fixed to the wall and could not be removed, the filter had been used for many years and was no longer functioning at all. Additionally, there were gaps between the outlet and the filter, allowing dust to enter, so we received a request to improve these issues in a simple manner without extensive construction. Issues: 1. Improve the system to allow for filter replacement. 2. Eliminate gaps to prevent dust intrusion. 3. Complete the installation work without incurring costs or taking much time.

Related Link - http://www.kamata.co.jp/html/solution/2008/10/new_…

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The filter with an aluminum frame is installed by bolting it to the outside of the outlet, allowing for easy replacement of the filter media, and using rubber sponge to completely eliminate any gaps between the outlet and the aluminum frame. Points: 1. The aluminum frame can be removed, making filter media replacement easy. If the filter cannot be replaced, it will become clogged, resulting in significant pressure loss, increased airflow speed, and ultimately allowing large dust particles to pass through, rendering the filter ineffective. 2. The size of the aluminum frame can be custom-made. 3. Select filter media that can be regenerated. 4. It is expected that gaps of up to 2mm may occur due to irregularities or distortions at the outlet. The aluminum frame will be bolted to the wall, and a flexible, high-seal rubber sponge will be used to press against it, completely sealing the gaps. 5. Considering cost and time, the installation will be carried out by Kamata Industries. Based on the above points, the aluminum frame for the filter will be made in a custom size (VT type), using filter media from Japan Vilene Company, with rubber sponge in between, and the installation will be completed by Kamata Industries on the outside of the outlet on the discharge side.