The improvement of JBT1600/1224 type flameproof mine winder is introduced which is the main winning arrangement serving the Daton City Coking Coal Mine 1 # track hidden inclined shaft.

• 介绍大同市焦煤矿一号轨道暗斜井主提升设备JBT1600／1224型防爆提升绞车的改进。