CO2 injection pump system

The utility model relates to a CO2 injection pump system. The CO2 injection pump system comprises a control cabinet, a computer, a stop valve, a flow meter, an inlet pressure sensor, an inlet energy accumulator, a plunger pump, a variable frequency motor and an outlet safety valve, wherein the stop...

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Bibliographische Detailangaben
Hauptverfasser:	WANG HAISHAN, AN SHA, WANG WEIGUANG, ZHANG SHOUREN, ZHANG BING, CHEN HUI, LI SUIBO, YE JIANPING, LIU CHENGSHENG, FU YU, WAN JINCHUAN, SU CHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model relates to a CO2 injection pump system. The CO2 injection pump system comprises a control cabinet, a computer, a stop valve, a flow meter, an inlet pressure sensor, an inlet energy accumulator, a plunger pump, a variable frequency motor and an outlet safety valve, wherein the stop valve, the flow meter, the inlet pressure sensor, the inlet energy accumulator, the plunger pump, the variable frequency motor and the outlet safety valve are connected in sequence, two outlets are formed behind the outlet safety valve, one outlet is connected with one end of a constant-pressure one-way valve, the other end of the constant-pressure one-way valve is connected with equipment allowing CO2 to be injected into, the other outlet is provided with two branches, one branch is connected with an electric control valve, the other end of the electric control valve is connected between the flow meter and the inlet pressure sensor, and the other branch is connected with the exhaust stop valve. The CO2 injection p