ORC (organic Rankine cycle) system for marine main engine waste heat generation

The invention discloses an ORC (organic Rankine cycle) system for marine main engine waste heat generation, which comprises an engine tail gas loop, an engine liner water loop, a coolant loop and an external cooling water loop. The ORC system, which is a power system based on the organic Rankine cyc...

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Hauptverfasser: WANG JIANCHANG, DONG JUNQI, CHEN NENGSHUN, WANG BIN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses an ORC (organic Rankine cycle) system for marine main engine waste heat generation, which comprises an engine tail gas loop, an engine liner water loop, a coolant loop and an external cooling water loop. The ORC system, which is a power system based on the organic Rankine cycle, absorbs the waste heat of engine liner water and engine tail gas. After liner water is adopted to absorb the heat of engine tail gas in the system, the coolant of the ORC system is then heated; meanwhile, the heated coolant is utilized to absorb part of residual heat after heat exchange between the engine tail gas and the liner water. The system can be utilized to effectively solve the problem that the low temperature of marine main engine liner water results in the over-low evaporating pressure and low system efficiency of the ORC system. Meanwhile, because the system utilizes the scheme that tail gas and liner water jointly absorb heat, the problem of coolant pyrolysis caused by direct heat exchange between o