沸腾锅炉等压风箱爆炸事故虽然并不多见,但却极易造成人身伤亡.1991年11月,某厂一10t/h 沸腾燃烧锅炉的等压风箱在压炉后10～15min 突然发生爆炸,造成1人重伤;等压风箱底部沿四周焊接处炸开约1/2,底部钢板向下裂开,鼓风管道挡风插板变形。由于该采暖锅炉不能立即长时间停炉,所以临时将风箱朝墙壁部分开一圆孔防爆 In November 1991, an isobaric bellows of a 10t / h boiling boiler in a factory suddenly exploded 10 to 15 minutes after pressing the furnace, Resulting in 1 serious injury; bottom of the equal pressure bellows exploded about 1/2 along the welding around the bottom, the bottom of the steel split down, deformation of the blast pipe damper board. As the heating boiler can not immediately shut down for a long time, so temporarily open the bellows toward the wall part of the explosion-proof