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黑龙江九三油脂北安分公司工业自备热电站使用的2台AZD20-25/400型锅炉,在2003—2004年生产期的运行中,多次出现省煤器爆管,严重影响生产运行。通过对该故障的诊断分析,并经过2004年检修期的改造,解决了这一问题,而且使该锅炉的热效率显著提高。 1 事故经过 2003年1月,2台锅炉正在运行,司炉工突然听到“砰”的一声,紧接着1#锅炉水位迅速下降,操作盘上仪表显示上水压力开始下降,司炉人员马上停
Two AZD20-25 / 400 boilers used by HeBeiJiang JiuSan Oil & Gas BeiAn Branch Industrial-owned thermal power station have repeatedly exploded economizers in operation during the 2003-2004 production period, seriously affecting production operation. Through the diagnosis of the fault analysis, and after the 2004 overhaul of the transformation to solve this problem, but also significantly increase the thermal efficiency of the boiler. 1 accident After January 2003, 2 boilers are running, the fireman suddenly heard “bang ” soon, followed by a # 1 boiler water level dropped rapidly, the operating plate on the water pressure gauge began to decline, the stokers immediately stop