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1992年8月26日6时50分,湖南凤凰雪茄烟厂KZW4-1·27型锅炉分汽缸上的主汽阀发生爆炸,操作工被摔到离分汽缸2米远的地面上,烫伤面积达63%,另有脑挫伤,抢救无效,于当日死亡。该阀门属截止阀,上标有“Pg16Dg100 HJ”字样是1991年7月检修时,因阀门损坏而换上该阀门。爆破口位于阀体的上部,并紧贴阀盖的下法兰。爆炸时,手轮、阀杆、阀杆螺母、填料压盖等成整体飞出,阀芯单独飞出,阀体及两端管道没有位移。该厂三台千吨/时锅炉,两台SZW4-1.27型锅炉
At 6:50 on August 26, 1992, the main steam valve on the sub-cylinder of KZW4-1 · 27 boiler of Fenghuang cigar factory in Hunan exploded and the operator fell to the ground 2 m away from the sub-cylinder. The scald area Up to 63%, and another brain contusion, rescue invalid, died on the same day. The valve is a globe valve, marked with “Pg16Dg100 HJ ” the word is overhaul in July 1991, because the valve is damaged and replaced by the valve. Blasting port located in the upper part of the valve body, and close to the lower flange of the valve cover. Explosion, the handwheel, stem, stem nut, packing gland as a whole out, the valve core alone fly out, the valve body and the two ends of the pipeline without displacement. The plant three thousand tons / hour boiler, two SZW4-1.27 type boiler