| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and a device of cleaning asbestos and the like for a chimney, capable of easily performing treatment after separation in a simple treatment work in a short time. SOLUTION: In this method of cleaning asbestos by descendably suspending a high pressure injection device body 2 including an injection nozzle 3 for injecting high pressure injection liquid, and gradually descending the same in the chimney 50 while injecting the high pressure injection liquid from the injection nozzle 3, the high pressure injection device body 2 is provided with a reaction force receiving member 7 in contact with an inner wall surface 55 of the chimney 50 at its tip section, on a peripheral edge section, a mixture liquid including a penetrant and a capture agent is used as the high pressure injection liquid, the asbestos and the like attached to the inner wall surface 55 is separated by the injection of high pressure injection liquid, and the separated asbestos and the like is taken into the injected mixture liquid, and dropped to the bottom of the chimney. COPYRIGHT: (C)2011,JPO&INPIT
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