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Water Figure 5. Gas cooler design The heat pump is equipped with a rotary 2-stage variable speed compressor driven by DC power (Figure 6). The compressor is designed and manufactured by Sanyo. Figure 6. Sketch of the Sanyo compressor [3] The indoor tank (SGP-TH22D) The indoor tank can store 223 liters of water and the net weigh of the indoor tank is 180 kg. Its exterior is shown in Figure 7. The hot water in the tank is heated by a water circuit from the gas cooler (common to the radiator water). The working pressure of the heating water is 2.5 bar and the working pressure of the tap water is typically 9 bar. Inside the tank, there is a partition plate placed at 2/3 of the tank height from the tank bottom to separate 1/3 of the tank volume on the top part of the tank. There are two tubes connected to the higher and the lower part of the tank. When the water in the lower part of the tank gets warmer, it will flow through the tube and into the upper part of the tank by buoyancy forces and the colder water in the upper part of thank will flow down to the lower part of the tank through the other tube, due to its higher density. In such a way stratification can be created and maintained. This is further explained in connection to Figure 7 as follows. CO2 14PDF Image | CO2 heat pumps for the Swedish market
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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
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