WASTE HEAT RECOVERY SYSTEM AND CONTROL METHOD THEREOF

A waste heat recovery system includes an organic Rankine cycle system and an intermediate heating system. The organic Rankine cycle system includes a first working fluid, an evaporator and a first pump. The evaporator vaporizes the first working fluid at a high pressure, and the first working fluid...

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Bibliographische Detailangaben
Hauptverfasser: LAI, CHUNIEH, HSIEH, JUIING
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:A waste heat recovery system includes an organic Rankine cycle system and an intermediate heating system. The organic Rankine cycle system includes a first working fluid, an evaporator and a first pump. The evaporator vaporizes the first working fluid at a high pressure, and the first working fluid has an evaporation temperature in the evaporator. The first pump delivers the first working fluid to the evaporator. The intermediate heating system is connected to the organic Rankine cycle system. The intermediate heating system includes a heat exchanger, a second working fluid and a second pump. A flue gas flows through the heat exchanger to perform heat exchange. The second working fluid flows through the heat exchanger to absorb heat energy of the flue gas and has an inlet temperature. The second pump delivers the second working fluid from the evaporator to the heat exchanger. The flue gas has a mass flow rate. The first pump and the second pump control the evaporation temperature of the first working fluid an