Status and expectation on key technology of complete equipment for mechanized shortwall mining in China

in order to solve great residual coa pillars and fregular seam blocks existed in the domestic underground coal mines and the low mechanized mining degree.low producton.ow coal recovery rate and other problems existed,the paper inroduced the mechanized shoreal mining complete equipmert and the mining teconology system based con the continuous miner as the leading machine and summarized the advance technical achievements obtained in the mechanized shortall compete equipment based on China independent innovation in the recent passed 10 years.Thepaper analyzed and summaized theke y techmnoagy staus o th reaed cung .raveling conveying dust prevention and control.roo control.utomatic conrol and others and poinied aut the shorage and diference existed in the present technicaleve. Finl y:the paper ad an oulook on the development tendency of the mechanized shorwall mining complete equipment and key flechnology in China and providedthe development tendency of the mining equipmen dfference,maching method diversified.complete equipment itllicent and unmanned ocured in the mechanized shortwall mining complete equipment.