1994年6月8日,河北省涿州市某造纸厂25m~3蒸球发生重大事故,造成全厂停产5天,直接经济损失5万多元。1 事故经过事故是在生产和操作过程中发生的。6月8日零点时,由装料工××四人装麦杆3000kg,药液亚硫酸铵4500kg;零点45分空运转,1点升温,1点45分蒸球内气压达到0.7MPa进行保温阶段(保温3—4小时)。在4点5分时,车间内1~#蒸球因机械故障停转, June 8, 1994, a paper mill in Pizhou City, Hebei Province, 25m ~ 3 steamed balls a major accident, resulting in the plant cut-off for 5 days, the direct economic loss of more than 50,000 yuan. An accident after the accident occurred in the production and operation of the process. At 0 o’clock on the June 8, loaded by the loader × × four loaded wheat straw 3000kg, liquid ammonium sulfite 4500kg; zero point 45 minutes running, 1:00 warming, 1:45 steam ball pressure reached 0.7MPa insulation Stage (heat 3-4 hours). At 4:05, the workshop 1 ~ # steam ball stall due to mechanical failure,