1985年9月25日19时40分,龙头锰矿选烧车间烧结工段,发生一起烧结矿堆陷落事故,一名烧结看火工被严重灼伤,烧伤面积达92%,其中3度烧伤面积占80%。经济损失6万多元。一、事故经过当日,选烧车间两名工人在烧结场上中班,他俩分工各看管一窑。大约19时40分,看管东北方向一窑(高2.5m、宽6～10m、 At 19:40 on September 25, 1985, a sinter at the sinter section of the leading manganese ore selective sintering plant was involved in a sinter mining accident. A sinter was found to have a serious burn of 92% of the burns, of which, the area of ​​3 degrees burns accounted for 80% %. Economic loss more than 60,000 yuan. First, the day after the accident, two workers in the burning plant in the sintering process in the middle class, each of them in charge of a kiln division of labor. At about 19:40, one kiln in the northeast (height 2.5m, width 6-10m,