By using a heat transformer, waste heat can be upgraded, virtually.  Which means that the waste heat could be upgraded without the use of a higher temperature driving energy. The input heat source which would be, Waste heat of a medium temperature is first supplied to the evaporator as well as to the generator, following which a useful heat of higher temperature will be then transferred off in the absorber. Manufacturers note that heat transformers like these could achieve a delivery temperature up to 160ºC, typically with a temperature lift of about 50ºC.

Generally, at Rajasthan Powergen Transformer P. Ltd., as plant manufactures a poly film for photovoltaic cells as well as the process requires water requires a temperature of about 100ºC. During this process the temperature of water increases up to about 108ºC. For the purpose of reutilization, the water which was heated at 108ºC, leaves the process after being cooled to a temperature of 100ºC in a dry cooler. In this dry cooler, the heat was simply rejected to the atmosphere. Using the Heat Transformer, 45% of the heat which is available in it will get converted to steam at 4 bar.g. This converted steam generally finds application and tends to be used in many manufacturing process of varying sectors.

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