天津大港发电厂从意大利引进两台汽压178公斤力/厘米2、汽温540℃/540℃、亚临界强制循环、中间再热微正压的1,025吨/时燃油锅炉,用于发电机组。1979年2月1日投产运行,同年3月11日其中一号锅炉发生了炉膛爆炸,直接损失50万元以上,间接损失约1,000万元。 事故经过的简况是:3月11 Dagang Power Plant in Tianjin imported two 1,025 tonne / hour oil-fired boilers with steam pressure of 178 kgf / cm 2, steam temperature of 540 ° C / 540 ° C, subcritical forced circulation and medium reheat micro-pressure for generating units from Italy. February 1, 1979 put into operation, March 11 the same year, one of the boiler explosion occurred in the furnace, the direct loss of 500,000 yuan or more, indirect losses of about 10 million yuan. The story of the accident is: March 11