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DEVELOPMENT OF A HEAT TRANSFORMER WHICH PRODUCES PROCESS STEAM AT 130[C

Ziel



A HEAT TRANSFORMER WITH NH3/H2O AS A WORKING PAIR HAS BEEN DEVELOPED WHICH CONVERTS INDUSTRIAL WASTE HEAT OF 80 DEGREES C IN STEAM OF 130 DEGREES C (3 BAR) WITHOUT FURTHER NEED OF FUEL OR POWER. A HEAT TRANSFORMER IS A REVERSED ABSORPTION HEAT PUMP. IN A NORMAL ABSORPTION HEAT PUMP HIGH TEMPERATURE HEAT IS USED IN THE GENERATOR, LOW TEMPERATURE WASTE HEAT IS ABSORBED IN THE EVAPORATOR AND MEDIUM TEMPERATURE HEAT IS EXTRACTED FROM THE ABSORBER AND CONDENSOR. IN A HEAT TRANSFORMER MEDIUM TEMPERATURE WASTE HEAT IS GIVEN TO THE GENERATOR AND EVAPORATOR, HIGH TEMPERATURE WASTE HEAT IS EXTRACTED FROM THE ABSORBER AND LOW TEMPERATURE HEAT IS DISCHARGED AT THE CONDENSOR. THE AMOUNT OF HIGH TEMPERATURE HEAT IS ONLY FRACTION OF THE MEDIUM TEMPERATURE WATE HEAT USED IN THE GENERATOR AND THE EVAPORATOR. FOR THE HEAT TRANSFORMER WHICH HAS BEEN DEVELOPED THE AMOUNT OF HEAT AT 135 DEGREES C DELIVERED BY THE ABSORBER IS ABOUT 30 % OF THE WASTE HEAT AROUND 100 DEGREES C GIVEN TO THE GENERATOR AND EVAPORATOR. THE SYSTEM PRODUCED 3,3 KW HEAT (STEAM) AT 135 DEGREES C AND OPERATED SATISFACTORY.

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MAN AG
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80001 München
Deutschland

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