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1. 发明专利

JPH05240586A 失效
公开(公告)号：JPH05240586A
公开(公告)日：1993-09-17
申请号：JP7576892
申请日：1992-02-28
申请人： NIPPON STEEL CORP
发明人： ASO SEIJI , HARADA SHIGEMI , UMEMOTO KOUTAROU
IPC分类号： F27D1/16
摘要： PURPOSE:To adequately perform the repair work corresponding to the damage state of a part to be repaired and the allowable repairing period of time by a method wherein the water addition amount is determined according to the measured surface temperatures of a refractory lining at the beginning of repair work and thereafter corresponding to the surface temperatures of spraying refractory material sprayed on the part to be repaired. CONSTITUTION:Changes in the renewing surface temperatures of a spraying refractory material 10 sprayed on to a part 9 to be repaired on a refractory layer 8 are actually measured from time to time by an infrared ray radiation thermometer 11. An arithmetic controller 12 controls a water feed controller 13 as a feed controller and a spraying refractory material feed controller 14 so that the ratio of water addition amount to the spraying refractory material 10 is changed corresponding to the measured temperatures. Thus, the water addition amount is determined corresponding to time actual surface temperatures of the spraying refractory material 10 sprayed on the part to be repaired, resulting in an excellent deposition ratio. In addition, adequate repair work can be performed corresponding to the damage state of time part to be repaired and the allowable repair period of time.

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