FIELD: liquefaction and storage of gases. SUBSTANCE: proposed plant includes main pipe line, adjusting and throttle valves, heat-insulated reservoir for storage of liquefied gas which is provided with nitrogen shield. Closed nitrogen liquefaction loop runs through condenser of Stirling cryogenic machine; this loop includes Dewar flask, high pressure pump, adjusting valve, condensing coil and check and throttle valves. Condensing coil is located in heat-insulated heat exchanger. Vapor recondensation loop of nitrogen shield consists of line fitted with and first check valves which is connected to throttle valve of closed loop and line with second check valve and adjusting valve which is connected to high- pressure pump outlet. EFFECT: enhanced efficiency; low cost. 1 dwg
Authors
Dates
2000-09-20—Published
1999-04-13—Filed