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由铁道部科技局主持,于1986年9月10～12日在大同机车工厂召开了前进型综合改造机车技术鉴定会。根据铁路技术发展的需要,1981～1984年由大同机车工厂研究设计并制造的前进型综合改造机车共生产了14台,先后配属在全路八个机务段运用考验,其中两台经过铁科院环行线牵引热工性能试验。综合改造机车的技术改造项目有:改装乏汽稳压室、加粗加长过热管、小烟管内安装变阻节流器,安装7—10扁烟筒、加装粘着重量增加器自动控制装置、采用六轴滚动轴承的煤水车。
Chaired by the Ministry of Science and Technology Bureau of the Ministry of Railways, the Advanced Synthetic Locomotive Technical Appraisal Meeting was held in Datong Locomotive Factory from September 10 to September 1986. According to the needs of railway technology development, from 1981 to 1984, Datong Locomotive Factory research and design and manufacture of forward-type comprehensive transformation of a total of 14 locomotives, has been attached to the entire road eight locomotive section of the test, of which two after the ASTRI Central line traction thermal performance test. Comprehensive transformation of the locomotive technical transformation projects are: lack of steam regulator room modification, bold longer than the heat pipe, small smoke pipe installed variable resistance throttle device, installation of 7-10 flat chimney, install the weight control device with automatic weight increase, using Six-axis rolling bearing of the coal-water vehicles.