The abstract
Lingxin coal mine to be located within the boundaries of the Ningxia Hui Autonomous Region lingwu city porcelain kiln fort town.The well field geological condition is simple, the mining 15 coal bed tax saves stably, the medium bank angle for 14゜.Mine pit productivity is 1.50Mt/a, the service life is 52.78 years.According to works the new coal mine pit field actual situation, the definite mine pit development way for the slant hole two level developments, the first level uses in the single level, descends a mountain mining, the second level uses descends a mountain mining.The sole trend long wall puts goes against the coal mining coal law, the synthesis mechanization mining coal craft, the mine pit work routine “38 systems” is two class of mining coal, a class prepares.The mine pit uses the sophisticated equipment to carry on the mine pit mining coal, the transportation, the promotion, drains water and ventilates, by advance in technology impetus mine pit modernized development.The mining area environmental protection has the important influence to the mine pit development, therefore this ore union actual situation takes the effective action to protect the environment
Key word: Slant hole development sole trend long wall environmental protection
