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自救器是保障矿工生命安全的仪器,但从1975年以来,隔离式自救器曾多次发生冒烟着火事故。为此煤炭部决定,现有自救器停止使用;并组成两个调查组,找出冒烟着火原因后,尽快采取措施,恢复使用。经查明,自救器冒烟着火的主要原因是:①因胶圈落入起动装置内,遇到药块反应时产生的高温(380～470℃)和高浓度氧气而引起着火。②药块本身存在着着火因素。对此,今年三月部又在重庆召开了“自救器使用措施商定会”,要求抚顺及重庆二个安全仪器厂在新药块研制成功后,对现有的自救器进行返修,迅速恢复使用。为此,辽宁
Self-rescuer is to protect the life and safety of miners, but since 1975, isolated self-rescuer has repeatedly smoke and fire accidents. To this end the Ministry of Coal decided to stop using the existing self-help device; and formed two investigation teams to find out the cause of smoking after the fire, take measures as soon as possible to resume use. After identified, self-rescuer smoke and fire the main reason is: ① because the rubber ring falls into the starting device, encountered high temperature (380 ~ 470 ℃) and high concentrations of oxygen generated when the reaction block caused by fire. ② medicine block itself there is a fire factor. In response, the ministry held again in Chongqing in March this year, “self-help device agreed to the use of measures,” asked Fushun and Chongqing two safety instrumentation in the successful development of new drug blocks, the existing self-help device repair, rapid recovery. To this end, Liaoning