Importance

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Abstract

A dust collection system comprises: a cover configured to hermetically seal nuclear power plant structure, which is a target to be cut, the cover being provided at an outer circumferential surface thereof with a plurality of cutting groove members adjusted for a height of the cutting wire, the cover being made of a transparent material; an air compressor configured to supply compressed air; an air hose configured to convey the compressed air; a passage member provided in each of the plurality of cutting groove members, the passage member being configured to receive the compressed air such that the compressed air is sprayed to the cutting wire through the cover made of the transparent material; a packing member configured to wrap at least a part of an inner circumferential surface of each of the plurality of cutting groove members.

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First Claim