巷道透采空区煤自燃火灾治理技术研究.pdfVIP

Subject : Research on Coal Spontaneous Combustion Fire Disaster Management Technology in Mined-out Area Traversed by Roadway Specialty : Safety Technology and Engineering Name : YANG Xiao-min （Signature ） Instructor : Professor Deng Jun （Signature ） ABSTRACT Our country reserves abundant coal, however the mining methods are mostly classified to the complex geological structure exploitation, which made the roadway often breakthrough the goaf and the law of the loss air will be hard to control, so the coal spontaneous combustion will easily be occurred. Coal spontaneous combustion disaster can not only give the mine equipment of coal resources a great damage and loss, but also a serious threat to underground work staffs life safety, and even make the gas and coal-dust explosion, which lead to a major malignant casualties. It is significant to study on the coal spontaneous combustion management technology in mined-out area traversed by roadway. Firstly, the coal spontaneous combustion experiment can be used to find out spontaneous combustion characteristic parameters, and combining with the field observation data, this paper analyzes the impact factors of coal seam spontaneous combustion, and then the change law of the basic parameters in all process of the coal combustion can be got, also the fire area characteristics will be obtained. It will provides the basic data for the management technology in mined-out area which are traversed by roadway Secondly, SF ensemble techniques will be adopted to test the air leakage rule in 17060