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Heat Pump

100 – 1000 TR

Cooling Capacity

5ºC to Delta T – 30ºC max

Chilled Water Temp.

10 – 25 bar.g

Steam (Pressure)

Heat pumps drive heat from a lower temperature to medium temperature, using high grade energy. Thermax heat pumps utilise steam, hot water, exhaust, fuel, geothermal energy or any combination of these heat sources, to pump heat. Heat pumps save approximately 35% of heat energy.

HEAT PUMP – TYPE I

Thermax heat pumps are extensively used in Europe, Scandinavian countries and China for district heating applications. Heat pumps are also used in industries like: textile plants, edible oil, food, auto & white goods, etc. Thermax has over 100 MW capacity of heat pump installations to its credit, installed across the globe.
Heat Pumps, Heating Applications, Heat transformer, Thermax heat pumps utilise steam, hot water, exhaust, fuel, geothermal energy

Operating Range

Capacities : 0.25 – 40 MW

Hot water temperature : Up to 90ºC (194ºF)

High grade Heat source : Exhaust gas, steam, hot water & liquid/gas fuels (individually or in combination)

COP : 1.65 – 1.75

HEAT PUMP – TYPE II (HEAT TRANSFORMER)

Type-II heat pump also known as Heat transformer, in which medium grade heat is pumped to high grade heat. With a heat transformer, waste heat can be upgraded, virtually without the use of external driving energy. The input heat source i.e., Waste heat of a medium temperature is supplied to the evaporator and generator and useful heat of higher temperature is given off in the absorber. These heat transformers can achieve a delivery temperature up to 160ºC, typically with a lift of 50ºC.
Heat Pumps, Heating Applications, Heat transformer, Thermax heat pumps utilise steam, hot water, exhaust, fuel, geothermal energy
Thermax has recently commissioned a Heat transformer at M/s. Asia Silicon in Western part of China. The plant manufactures poly film for photovoltaic cells and the process requires water at 100ºC. During the process this water temperature increases to 108ºC and for reutilization, the 108ºC water leaving the process was cooled to 100ºC in a dry cooler where the heat was simply rejected to the atmosphere. Using the Heat Transformer, 45% of the available heat is converted to steam at 4bar.g, which finds use in the manufacturing process.

Operating Range

Capacities : 0.5 to10 MW

Hot water temperature : Up to 160ºC (320ºF)

Medium grade Heat source : Steam, hot water & liquid/gas fuels (individually or in combination)

COP : 0.4 – 0.47
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