各省、自治区、直辖市劳动(劳动人事)厅(局): 一九九○年九月十九月,牡丹江市制油厂仅使用十八天的一台WNL 4—1.25—A(?)6型锅炉在运行中发生爆炸,两名司炉工严重燙伤先后死亡,造成全厂停产。锅炉爆炸后,前管板扳边与炉胆对接处的上部及炉胆上部钢板呈蓝色;炉胆沿整个长度严重压溃变形,且将炉排压弯;在前管板扳边与炉胆对接处的上部焊缝撕开长达980mm,宽280mm的口子;第二回程部分烟管上有少量的水垢脱落,数根烟管变形;后管板有轻微变形,两根烟管从后管板上拉脱。经分析,这起爆炸事故主要原因县由于管理混乱引起的,其直接原因县锅炉严重缺水,导致 Labor (Labor and Personnel) Offices (Bureaus) of Provinces, Autonomous Regions and Municipalities: In September, 1990, the Mudanjiang City Oil Refinery used only one 18-day WNL 4-1.25-A (?) 6 Boiler explosion in operation, two Division burns serious burns have died, resulting in the plant cut-off. After the explosion of the boiler, the upper part of the front tube plate pull-out edge and the joint of the furnace tube and the upper part of the furnace tube are blue; the furnace tube is seriously crushed and deformed along the entire length, and the fire grate is pressed and bent; Upper welds at the butt joints ripped open the mouth of 980mm long and 280mm wide; a small amount of scale shedding occurred on the second return section of the tobacco pipe and deformed several pipe ends; the rear plate slightly deformed; Tube board off. After analysis, the main reason for this explosion due to management chaos County County, the direct cause of the county a serious shortage of water boiler, leading to