Working principle The humid and high-temperature compressed air flows into the pre-cooler (for high-temperature type) to dissipate heat, and then flows into the heat exchanger to exchange heat with the cold air discharged from the evaporator, which reduces the temperature of the compressed air entering the evaporator. The compressed air after heat exchange flows into the evaporator and exchanges heat with the refrigerant through the heat exchange function of the evaporator. The heat in the compressed air is taken away by the refrigerant, the compressed air is quickly cooled, and the moisture in the humid air reaches the saturation temperature and quickly condenses. The condensed moisture forms water droplets after condensing, and rotates at a high speed through a unique air-water separator. The moisture is separated from the air due to the centrifugal force, and the separated water is discharged from the automatic drain valve. The air pressure dew point after cooling down can be as low as 2 ℃. The cooled cold air flows through the air heat exchange and exchanges heat with the high temperature and humid hot air at the inlet. The cold air after heat exchange raises the temperature due to the absorption of the heat of the inlet air, and the compressed air also passes through the secondary condenser of the refrigeration system (Unique design) The heat exchange with the high-temperature refrigerant makes the temperature of the outlet fully heated to ensure that the outlet air line does not condense. At the same time, the cold source of the outlet air is fully utilized to ensure the condensation effect of the machine refrigeration system and the quality of the machine outlet air.
The refrigerant circulation principle of the refrigeration system ☆ After startup, the refrigerant is compressed by the compressor from the original low temperature and low pressure state to a high temperature and high pressure vapor. ☆ The high-temperature and high-pressure steam flows into the condenser and the secondary condenser. The heat is taken away by the cooling medium through heat exchange, and the temperature drops. The high-temperature and high-pressure steam becomes a normal temperature and high pressure liquid due to condensation. ☆ The liquid refrigerant at normal temperature and high pressure flows through the expansion valve, because the throttle pressure of the expansion valve decreases, and the refrigerant becomes a liquid at normal temperature and low pressure. ☆ After the liquid at normal temperature and low pressure enters the evaporator, the liquid refrigerant boils and evaporates into a low-pressure and low-temperature gas because of the pressure drop. When the refrigerant evaporates, it absorbs a lot of heat from the compressed air, so that the temperature of the compressed air drops to achieve the purpose of drying. ☆ The evaporated low-temperature and low-pressure refrigerant vapor flows back from the suction port of the compressor, is compressed and discharged into the next cycle.
Shanghai Haozhuang Experimental Instrument Co., Ltd. specializes in the production of constant temperature shaker, low temperature water tank, water bath constant temperature oscillator, gas bath constant temperature oscillator, shaker, incubator and other related instruments. The factory has strong technical force, and its technical indicators are leading in China. Product selection is exquisite, exquisite workmanship, excellent quality and reasonable price. Since its establishment, the company has paid great attention to product development, upgrade and update, and constantly launched intelligent instruments with good operability and stability are the principles that Haozhuang Instruments has always followed. .
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