Discusses the selection line methods of convey coal pipe of long distance, from the angles of selection line principle, and the basic data to collect, etc.

本文从选线的原则、选线需搜集的基础资料等角度，论述了长距离输煤管道线路的选线方法。

Analyses reason that suspension system of electrical vibration convey coal machine is breaked under cleek coal store, changes suspension system into supporting system, that dispel effect of sector.

分析了屯兰矿选煤厂原煤仓下电振给煤机吊挂系统损坏频繁的原因，将吊挂式改为支应安装方式，消除了环节影响。

Single pipe and screw feeder is used to convey dry and powder material continuously, such as raw material, coal powder, and cement etc. powder to convey in short distance.

单管螺旋稳流机适用于干燥粉状物料的连续、均匀供料，如生料、煤粉、水泥等粉状物料的给料和短距离的输送。