Study On The Fully Mechanized Mining Technology Of Pseudo-inclined Workface

The fully mechanized mining technology of deeply inclined coal seams is an important subject of coal mining technology study.Although the study has been made considerable progress in recent years, many problems still exist. The workface arranged with pseudo-oblique is an effective way to reduce the working face dip angle, make the fully mechanized mining technology to fit more steeply dipping seam, and achieve good results.This paper studied on the deeply inclined coal seams workface arranged with pseudo-oblique and some related issues about using the fully mechanized mining technology. It also provided the basis and pointed out the development direction about using the fully mechanized mining technology into deeply inclined coal seams.This paper using mathematical analysis and mechanical analysis methods , studied on the fully mechanized mining technology with pseudo-oblique, The main study contents are as follows:(1)Established the relationship between the main parameters of pseudo-oblique workface and the angle of coal seam, based on defineing the conception of the recovery efficiency, combined with the analyzed results of some main parameters , given the range of the value and determined the adaptive conditions of layout the pseudo-oblique workface.(2)There are two styles of the supporting arranged in pseudo-oblique workface: one is the supporting arranging strike the coal mine, two is the supporting arranging plumbed the workface. according to the exist problem of the two supporting style using in the pseudo-oblique workface, adopted two projects: project one is changing the technology of moving the hydraulic support, project two is changing the manner of moving the hydraulic support.(3) Based on analyzing the tradition carve up working field ,confirmed the demarcate manner which suit for mining with pseudo-oblique workface, established diagonal rise which suit for pseudo-oblique workface, thereby made it convenience passerby; improve the transport efficiency, predigested the desinence work.