Waste mine gas power generation composite gravity energy storage system

The invention discloses a waste mine gas power generation composite gravity energy storage system which comprises a drainage system, a gas extraction power generation system and a gravity energy storage system. In valley time, a water pump of the drainage system, a gas pump of the gas extraction pow...

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Bibliographische Detailangaben
Hauptverfasser:	NIU BEN, FENG ANXIANG, CHENG HAIYAN, WANG CHUANBING, CHEN JIAN, CHEN BENLIANG, LEI CHENGXIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING EARTH DRILLING FIXED CONSTRUCTIONS HEATING LIGHTING MACHINES OR ENGINES FOR LIQUIDS MECHANICAL ENGINEERING MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOTOTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISEPROVIDED FOR MINING OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PRODUCING MECHANICAL POWER PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SPRING, WEIGHT, INERTIA OR LIKE MOTORS WEAPONS WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS
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Beschreibung
Zusammenfassung:	The invention discloses a waste mine gas power generation composite gravity energy storage system which comprises a drainage system, a gas extraction power generation system and a gravity energy storage system. In valley time, a water pump of the drainage system, a gas pump of the gas extraction power generation system and a winch of the gravity energy storage system are started, water in the abandoned mine is discharged through the water pump, gas in the abandoned mine is pumped into a gas storage tank through the gas pump, and a gravity block is lifted through the winch; at the peak time, the gas generator set is started to convert gas internal energy into electric energy, and the gravity energy storage generator set is started to convert gravitational potential energy into electric energy. The method has the advantages that the gravity energy storage density and conversion efficiency can be effectively improved, the gravity energy storage installed capacity is improved, the peak clipping and valley filling