Method for rapidly upgrading and transforming counter-rotating fans in main ventilation system of coal mine

The invention discloses a method for rapidly upgrading and transforming counter-rotating fans in a main ventilation system of a coal mine. The method comprises the following steps: detaching a first air duct section of an original standby fan and reserving a first power section; carrying out pouring...

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Bibliographische Detailangaben
Hauptverfasser:	YU HAIYANG, YAN ZHENGUO, FAN JINGDAO, LI HONGYE, LI XUEFENG, ZHONG LINGBIN, SU MOMING, LI BIN, WANG GONG, XUAN HONGBIN, LI LEIJUN, CAO HUIQIANG, WANG XING, GUO XIAOSHUI, WANG JING, ZHANG JUNJUN, LI YANFENG, XU ZHIBING, ZHANG XUEFENG, ZHANG DONGFANG, BI SHUAI, LI JIARUI, WANG DONGBO, GUO JUNLONG, QIN YUBING, WANG HAO, GUO ZHENXING, SONG YINLIN, JIA XIAOLEI, LI CHUAN, LIU JIANBIN, QU XIAOBIN, CHANG XINTAN, FENG SHENGCHENG, LI QIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a method for rapidly upgrading and transforming counter-rotating fans in a main ventilation system of a coal mine. The method comprises the following steps: detaching a first air duct section of an original standby fan and reserving a first power section; carrying out pouring construction of a first installation foundation of a first fresh air ventilator behind an air outlet of the first power section; operating the first power section, detaching a second air duct section of an original main operation fan, and reserving a second power section; carrying out pouring construction of a second installation foundation of a second fresh air ventilator behind the reserved part of the original main operation fan; mounting main operation parts and air duct parts of the two fresh air ventilators; detaching the reserved part of the original main operation fan, mounting a second transition cylinder of the second fresh air ventilator, connecting with an outlet of a second exhaust pipeline, and opera