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ENGINE EXHAUST ENERGY RECOVERY DEVICE, SHIP PROVIDED THEREWITH, AND POWER GENERATION PLANT PROVIDED WITH SAID ENGINE EXHAUST ENERGY RECOVERY DEVICE
ENGINE EXHAUST ENERGY RECOVERY DEVICE, SHIP PROVIDED THEREWITH, AND POWER GENERATION PLANT PROVIDED WITH SAID ENGINE EXHAUST ENERGY RECOVERY DEVICE
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机译:提供的船舶排气能量回收装置,以及由上述发动机排气能量回收装置提供的发电装置
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摘要
An object is to provide an engine-exhaust-gas energy recovery apparatus that can set the fuel consumption rate of an engine to a predetermined value or lower in response to various loads and rotation speeds of the engine, and that can effectively utilize exhaust gas discharged from the engine. Provided are a hybrid turbocharger (3) having a turbine unit (3a) that is supplied with exhaust gas discharged from an engine (2), a compressor unit (3b) that pressure-feeds scavenging-air pressure to the engine (2), and a generator/motor unit (3d) that generates electricity when the turbine unit (3a) is driven; a bypass channel (L2) that allows the exhaust gas supplied toward the hybrid turbocharger (3) to bypass the hybrid turbocharger (3); an engine-load detecting part; an engine-rotation-speed detecting part; a scavenging-air-pressure detecting part; and a control device having a database for calculating a scavenging-air pressure, at which the fuel consumption rate of the engine (2) becomes lower than or equal to a predetermined value, from the detection values of the respective detecting parts. The control device controls an exhaust-gas bypass control valve (V1) so as to control the scavenging-air pressure of the engine (2).
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