Piston type expansion compressor as well as application method and system thereof

• Main Authors: SHI WEIXIU, WANG ZHANZHONG, LU XINHAI, PAN LISHENG
• Format: Patent
• Language: Chinese; English
• Published: 06.07.2021
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; ENGINE PLANTS IN GENERAL; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MACHINES OR ENGINES IN GENERAL; MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENTTYPE, e.g. STEAM ENGINES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; STEAM ENGINES; WEAPONS

The invention discloses a piston type expansion compressor which comprises an expansion compressor cylinder body, a cavity formed in the expansion compressor cylinder body and a piston arranged in the cavity. A power piece used for consuming electric energy to push the piston to move or converting kinetic energy of the piston into the electric energy is arranged on one side of the expansion compressor cylinder body; a low-pressure working medium chamber and a high-pressure working medium chamber which are communicated with the cavity are arranged on the other side of the expansion compressor cylinder body; and the low-pressure working medium and the high-pressure working medium are fed in or discharged out of the cavity in the reciprocating motion of the piston, and compression of the low-pressure working medium and expansion work of the high-pressure working medium are completed. The invention further provides an application method and system of the piston type expansion machine. According to the piston type