COAL ENGINEERING ›› 2015, Vol. 47 ›› Issue (11): 63-66.doi: 10.11799/ce201511021
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Abstract: Based on “wongawilli ” coal mining method, raises a mechanized mining method of short-wall on the condition of extremely irregularly shape coal in continuous miner, and optimize the the processes of main transportation, cable technology, boardroom Ventilation and pedrail powered supports. The results of the study showed that:1)after the method of as Scraper conveyor transport auxiliary equipment of continuous transport in long distance (> 120 m) and change the move way of Belt rigid frame slide to roll, Single monthly footage raised from 192 meters to 363.5meters;2)pedrail powered support with the reasonable support resistanc can be moved with pressure and carry out effective uninterrupted temporary support for broken roof, Realize the safe operation;3) the artificial cable retracting instead to monorail type cable, reduce failure rate, improve the production efficiency;4)Negative pressure by continuous miner with dust bellows produce,formation of mining tunnel airflow, Can greatly improve the tunnel ventilation environment .
Key words: extremely irregular boundary coal, continuous miner, continuous transportation, beltrigid frame, Monorail crane, pedrail powered support
CLC Number:
TD823.5
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URL: http://www.coale.com.cn/EN/10.11799/ce201511021
http://www.coale.com.cn/EN/Y2015/V47/I11/63