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1. 发明专利

JPH10232098A WASHSING METHOD OF INSIDE OF FINE TUBE FOR SEA WATER SYSTEM HEAT EXCHANGER 失效
公开(公告)号：JPH10232098A
公开(公告)日：1998-09-02
申请号：JP3469397
申请日：1997-02-19
申请人： KANDEN KOGYO KK , MIYAGAWA KOGYO KK
发明人： MIYAZAKI YOICHI , KUNITOMO ISAMU
IPC分类号： F28G1/12
摘要： PROBLEM TO BE SOLVED: To shorten a working time and reduce the using amount of water by a method wherein high-pressure water is introduced into the inlet port of a fine tube to flow therethrough and send a washing brush by pressure, then, the inflow of the high-pressure water into the fine tube is intercepted on the way of movement of the washing brush in the fine tube and, simultaneously, high-pressure air is introduced into the fine tube to send the washing brush by pressure. SOLUTION: A water chamber 1 is connected to the other water chamber 1 through several ten thousand pieces of horizontal fine tubes 2 to effect heat exchange by water sent into the water chamber 1 from a circulating water tube 3. A washing brush 4 is inserted into the inlet port of the fine tube 2 and a washing gun 5 is abutted against the end face of inlet port side of the fine tube 2 to introduce high-pressure water into the inlet port of the fine tube 2 and send the washing brush 4 by pressure while the inflow of the high-pressure water into the fine tube 2 is intercepted on the way of movement of the washing brush 4 in the fine tube 2 and, simultaneously, high-pressure air is introduced from a washing gun 5 into the fine tube 2 to send the washing brush 4 by pressure and wash the inside of the fine tube 2. The washing brush 4 is prepared by pinching a brush by two pieces of wires to twist them and, thereafter, both ends of the brush are fixed to guides, made of rubber.

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