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目前我国林区使用的窄轨蒸汽机车,效率低,耗能大。怎样逐步更新和改造这些旧设备,是个新课题。本文结合国铁大型蒸汽机车改造的经验,提出了燃料煤气化、用热管换热器回收燃气余热、使用分动式汽阀提高机车惰行性能和使用矩形通风装置提高汽机指示效率和机车的经济性等四项技术改造措施。
At present, the narrow-gauge steam locomotives used in forest areas in our country have low efficiency and large energy consumption. How to gradually update and transform these old equipment is a new topic. Combining with the experience of the transformation of the large-scale steam locomotive of the National Railway, the paper proposes the fuel gasification, the recovery of gas heat by the heat pipe heat exchanger, the use of the variable-type steam valve to improve the coasting performance of the locomotive and the use of the rectangular ventilation device to improve the indication efficiency of the steam locomotive and the locomotive economy Four technical transformation measures.