Downhole gangue discharging system and method

The invention discloses a downhole gangue discharging system and method. Raw coal is subjected to size grading by a screening device to enter into different conveying devices, then a dry sorting system for intelligent identification and sorting of minerals is performed by using rays, clean coal and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NI FENGPING, SU LICHONG, WANG YINLIN, WANG ZHIZENG, NIU LONGXUAN, DUAN YINKU, ZHAO DONG, SUN XUEQIAN, ZHUANG WENTAO, WANG YONGBAO, YANG JIUBO, LYU FENGXIN, LIU WEIXIN, LIU HUI, HAN DEGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING TRANSPORTING
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