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Heat Pumps for Heating and Cooling 1.4. • • • • Stage 1 − Outside heat exchanger picks up heat from the earth, ground water or air and transfers it to the refrigerant. The refrigerant gets evaporated and now enters the compressor. Stage 2 − The refrigerant, having now absorbed the environmental heat now enters the compressor and is compressed. The compressor increases the pressure of the refrigerant and also its heat content. This is the only part of the cycle where additional energy is required. Stage 3 − The refrigerant gas now passes through the “indoor side” heat exchanger where it gives up its heat and turns back into a liquid. Stage 4 − In order to be able to start the cycle again, the refrigerant must be de-pressurized, and so it is passed through an expansion valve, where it returns to a low-pressure liquid / gas mix and can begin to absorb heat from the air/earth/water again as it moves towards point 1. Reversing Valve The refrigeration cycle is reversed through a 4-way REVERSING VALVE. The reversing valve is an electrically operated device that uses a solenoid coil to guide the direction of refrigerant flow. It regulates the refrigerant discharge ports to effectively “swap” the functions of the evaporator and condenser. 8PDF Image | Heat Pumps for Heating and Cooling
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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