THERMAL ENERGY RECOVERY DEVICE AND START-UP METHOD THEREOF

A thermal energy recovery device capable of suppressing a rapid increase of thermal stress generated in an evaporator when the operation is started and a start-up method thereof are provided. The thermal energy recovery device comprises an evaporator 10, a preheater 12, an energy recovery unit 13, a...

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Bibliographische Detailangaben
Hauptverfasser: KANKI, Eiji, TAKAHASHI, Kazuo, ADACHI, Shigeto, NARUKAWA, Yutaka, OKAMOTO, Shirohiko
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A thermal energy recovery device capable of suppressing a rapid increase of thermal stress generated in an evaporator when the operation is started and a start-up method thereof are provided. The thermal energy recovery device comprises an evaporator 10, a preheater 12, an energy recovery unit 13, a circulating flow path 22, a pump 20, a heating medium flow path for supplying a heating medium to the evaporator 10 and the preheater 12, a flow adjustment unit 40 provided in a portion on the upstream side than the evaporator 10 within the heating medium flow path 30, and a control unit 50. The control unit 50 controls the flow adjustment unit 40 so that the inflow amount of the heating medium in a gas-phase to the evaporator 10 gradually increases, in a state that the pump 20 is stopped, until the temperature of the evaporator 10 becomes a specified value.