大倾角煤层智能化综采技术实践

Practice of Intelligent Comprehensive Mining Technology for Large Dip Coal Seams

为大倾角煤层综采工作面实现智能化开采,解决目前我国西南地区矿井普遍存在的开采装备自动化技术落后、装备配套难等突出问题,通过分析国内外综采工作面智能化开采技术应用现状,指出了大倾角煤层智能化开采条件的难题,大倾角智能开采发展必然是分阶段、逐步实现。重点阐述了大倾角煤层智能化工作面成套装备布置、液压支架中心距管理的姿态自动控制技术、液压支架自动接顶技术、液压支架和刮板输送机防倒防滑自动控制技术、智能全方位煤矸及人员防护技术等关键技术,通过工业性实践验证了大倾角智能化关键技术的可行性,为大倾角智能化开采提供了技术支撑。

In order to achieve intelligent mining of large angle coal seam fully mechanized mining faces and solve the prominent problems of outdated mining equipment automation technology and difficult equipment matching in mines in southwestern China,the current application status of intelligent mining technology in fully mechanized mining faces at home and abroad was analyzed,and the difficulties in intelligent mining conditions of large angle coal seams were pointed out.The development of intelligent mining of large angle coal seams will inevitably be achieved in stages and gradually.Key technologies such as the layout of complete sets of equipment for intelligent working faces in high angle coal seams,automatic attitude control technology for center distance management of hydraulic supports,automatic roof connection technology for hydraulic supports,automatic control technology for anti overturning and anti-slip of hydraulic supports and scraper conveyors,and intelligent all-round coal gangue and personnel protection technology were emphasized.The feasibility of key technologies for intelligent mining in high angle coal seams was verified through industrial practice,providing technical support for intelligent mining in high angle coal seams.