the influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically.
对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。
introduce the grouting reinforcement method of the soft rock of coal bin and fall area and analyze the fall reasons and the grouting result.
介绍了煤仓软巖及冒落段预注浆加固方法,分析了冒落原因及注浆效果。
for coal bin, a coal arch breaker can be installed at its outlet or hyperbola wall coal bin be used.
对于煤仓,可在其出口处设置破拱装置或采用双曲线壁煤仓。
section coal bin is transportation link swallow and throat. it plays an important role in the course of coal transportation.
溜煤眼是运输环节的咽喉,在煤炭运输过程中发挥着重要作用。
based on analysis on the law governing coal piling up in coal bin and with queuing theory, a math model has been set up to predict ash content in coal contained in coal bin.
文章在分析仓煤堆积规律的基础上,用队列理论思想建立了一个预测仓煤灰分的数学模型。
in the paper, the part-presser horizontal mechanical coal bin and analysis method of its vertical presser are introduced.