芦岭煤矿主井信号存在的问题及改进

Problems in the main well's signal of Luling coal mine and optimal design

通过对KXT4型煤矿井筒通讯与信号装置存在的问题进行分析并优化设计 ,减少信号故障 。

According to the problems in the communication and signal system of KXT4 coal well and optimal design,reducing serious accidents and making the production saftly