To provide a disassemblying method of an exhaust filter apparatus for an asbestos demolition work by which a work for demolishing and conveying the exhaust filter apparatus is safely and easily performed.
A sealing material is attached to the upstream side end part of a duct to tightly close the end part; the duct, a connection sleeve, and an upstream side connection pipe are covered and fixed with a zipper-attached bag having at least four rows of projections and recessions formed vertically to the depth direction of the inner circumferential face; the projections and recessions are fitted air-tightly; the fitting parts of the projection and recessions are cut between neighboring parts; a downstream side end part to which the sealing material is attached, ducts other than the duct to which the sealing material is attached in the case where there are two or more ducts, the connection sleeve, and the duct side end part of the upstream side connection pipe are respectively sealed; the upstream side connection pipe and the downstream side connection pipe are opened; the sealing material is attached respectively to the upstream side of the filter and the downstream side of the upstream side connection pipe; and the duct, the connection sleeve, the upstream side connection pipe, the used filter, the downstream side connection pipe, and the blower are disassembled.
COPYRIGHT: (C)2008,JPO&INPIT
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Shinichi Abe
Yuji Tsujida