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全路现有前进型蒸汽机车4500多台,它是我国铁路的一种主型货运机车。根据我国国情和能源发展情况,在相当长的时期内仍将是铁路重要的牵引动力之一,对承担铁路货物运输,发展国民经济起着重要的作用。蒸汽机车锅炉采用石棉或硅酸铝耐火纤维保温,保温性能差,对锅炉板都有不同程度的腐蚀,粉尘飞扬,严重污染环境,石棉粉尘中含有致癌物质,危害作业人员健康,国外已被淘汰停止使用。为了改变机车锅炉传统使用石棉保温现状,铁道科学研究院机车车辆所岩棉专题组对岩棉制品作为蒸汽机
The existing road forward more than 4,500 steam locomotives, it is a main railway freight locomotive. According to China’s national conditions and energy development, for a long period of time will remain one of the major traction engines for the railway and will play an important role in undertaking the railway transportation of goods and developing the national economy. Steam locomotive boiler with asbestos or aluminum silicate refractory fiber insulation, thermal insulation performance is poor, the boiler plate has varying degrees of corrosion, dust flying, serious pollution of the environment, asbestos dust contains carcinogens, hazardous to the health of workers, foreign countries have been eliminated stop using. In order to change the locomotive boiler traditional use of asbestos insulation status, Railway Science Research Institute of rolling stock of rock wool group on rock wool products as a steam engine