某小氮肥厂发生了一次10吨沸腾锅炉炉膛喷火事故。当开启鼓风机时,炉膛内形成正压,将带火的煤粉吹出炉口,在空气中形成雾化燃烧。冲出的火焰距炉口4米远,火焰温度约850℃,燃烧时间1秒左右。 当时,有两个操作工人在距炉口2米处工作,一人身穿帆布工作服,身上只感到灼热,极小部分? A small nitrogenous fertilizer plant occurred a 10-ton boiling boiler furnace fire accident. When the blower is turned on, a positive pressure is formed in the furnace to blow pulverized coal out of the mouth of the furnace to form atomized combustion in the air. Out of the flame away from the furnace mouth 4 meters, the flame temperature of about 850 ℃, burning time of about 1 second. At that time, there were two operating workers who were working at a distance of 2 meters from the mouth of the furnace. One was wearing a canvas overall and felt very hot and a very small part of it.