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目前我厂安装 8台钢球磨煤机 ,相应安装了8只 DD41 1 3型 DN90 0热风隔绝门。在运行时经常发生卡涩现象而无法操作。由于缺陷在热风隔绝门的内部 ,很难及时消缺。1 999年 1 2月 ,利用 2号炉大修之机 ,在锅炉检修部的安排下 ,对热风隔绝门进行解体检查和消除缺陷。1 缺陷分析DD
At present, I plant the installation of eight steel ball mill, the corresponding installation of 8 DD41 1 3 DN90 0 hot air isolation door. In the operation often jamming phenomenon and can not operate. Due to defects in the hot air isolated door, it is difficult to eliminate the problem in time. January 1999 February, the use of furnace No. 2 overhaul of the machine, under the arrangements of the boiler maintenance department, hot air isolation door disintegration inspection and eliminate defects. 1 defect analysis DD