FLUSHING PREVENTION METHOD OF CONDENSATE SOLUTION IN RANKINE CYCLE SYSTEM

PURPOSE:To prevent a condensate solution from flushing as well as to make stable driving maintainable, by generating an overlay signal for a back pressure setting value according to the increment only when a rate of cold flow increases. CONSTITUTION:A working fluid circulates in the order of a turbi...

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Hauptverfasser:	OKAMOTO NOBUICHI, ARAI MINORU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL ENGINE PLANTS NOT OTHERWISE PROVIDED FOR ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ACCUMULATORS STEAM ENGINE PLANTS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent a condensate solution from flushing as well as to make stable driving maintainable, by generating an overlay signal for a back pressure setting value according to the increment only when a rate of cold flow increases. CONSTITUTION:A working fluid circulates in the order of a turbine 10, a condenser 13 and a vaporizing heater 17. A back pressure setter 30 increases and corrects a back pressure setting value in conformity with a degree of increment in load. As a result, a control gain of a proportional integration controller 22 comes ample enough as being set with attention to only the stability of a Rankine cycle system. Restoring time in the back pressure setting value is adjustable by a counter 33 of a limiter 32 so as to cause the turbine back pressure not to be dropped more than the initially prescribed value. With this constitution, a flushing phenomenon in the condenser 13 is prevented from occurring and stable driving is thus maintable.