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1 引言根据首钢总公司安全处资料,从上世纪70年代初期直至99年,总公司内部各单位共计发生小型蒸汽锅炉铸铁省煤器运行中的突然爆裂事故23起,其中造成工伤的有11起;较典型的为1975年2月三线材厂宿舍区1台SZW2-8型锅炉省煤器事故和1989年7月红冶钢厂1台KZL4-13型锅炉省煤器事故,均是由于省煤器外部侧面弯头处突然爆裂,大量高温水汽突然喷出,将附近干活的工人严重烫伤,造成终身致残。
1 Introduction According to Shougang Corporation Safety Information Department, from the early 1970s until 1999, a total of 23 accidents occurred in the operation of cast iron economizers for small steam boilers in all units inside the head office, of which 11 ; More typical for February 1975 Line 3 plant dormitory area SZW2-8 boiler economizer accident and July 1989 Hongye Metallurgical Plant 1 KZL4-13 boiler economizer accident are due to the provincial A sudden burst on the outside of the coal elbow, a large number of high-temperature water vapor suddenly spurt, the nearby workers in serious scalds, resulting in life-long disabilities.