| 摘要 |
A cleaning device and a cleaning method of a strainer are provided to remove the impurities attached to the outer circumferential surface of an aperture portion of a strainer, to restore the aperture rate of a strainer to the original state, and to move the removed impurities far away from a strainer. A cleaning device of a strainer includes a pair of circular plates(100) having a through hole at the center, many round bars(200) connecting the outer circumferential part of a pair of the circular plates, a detonating cord(300) fixed to a space formed by a pair of circular plates and many round bars, a detonator(400) exploding the detonating cord, a leg wire connected with the detonating cord, and a resilient contact unit projected elastically to the inside of the strainer to contact and support.
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