LNG gasification system based on double-heat-source heat pump
A gasification system, dual heat source technology, applied in heat pump, refrigeration and liquefaction, lighting and heating equipment, etc., can solve the problems of limitation, high heating cost, utilization of LNG cold energy, etc., and achieve a wide range of applications.
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[0031] Such as figure 1 As shown, the LNG gasification system based on the dual heat source heat pump provided by the present invention comprises:
[0032] The LNG gasification heating and expansion main circuit is composed of LNG storage tank 1, electric flow regulating valve 2, LNG booster pump 4, condenser 5, expansion turbine 6 and heat exchanger (8). The main circuit is connected with the natural gas pipe network or user connections;
[0033] An expansion generating unit composed of an expansion turbine 6 and a generator 7;
[0034] Condenser 5, filter 11, cold storage tank 16, working fluid circulation pump 20, first evaporator 24, second evaporator 28 are used to store part of the refrigerant inside the system to prevent liquid shock and Gas-liquid separator 30 for diluting compressor oil due to excessive refrigerant, inverter compressor 31, backup heater 32, electronic expansion valve 10, electric flow control valves 12, 14, 18, 21, 26, breather valve 17, industrial ...
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