Precision filter air system and resolve the details of the refrigeration system

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The Ultrafilter have two major systems: air flow and cooling systems. They meet in the evaporator, the evaporator conditions both reflect the processing of compressed air, but will also reflect the working conditions of the refrigeration system. We always hope that the cold and dry exhaust gas temperature as high as possible (high temperature of the exhaust energy recovery), there is no temperature difference between the best import and export. Evaporator is divided into the cycle type membrane two categories. Mainly composed of two parts of the heating chamber and the evaporation chamber.mesh filter bag The Ultrafilter There precooler and the evaporator. The precooler said white is just an air heat exchanger. A higher saturation temperature of compressed air to the condensed water is easily discharged, usually arranged to take the shell, while the relatively low temperature of the dry air to go tube Cheng. Precooler in Ultrafilter main role is "recycled" the evaporator cooling compressed air carried by the amount of cold, and this part of the cooling capacity to cool the higher temperature compressed air to carry large amounts of water vapor (i.e., from the empty the press is discharged through the rear cooler cooling, and then after the temperature of the gas-water separator, generally above 40 ℃ saturated compressed air), thereby reducing the the Ultrafilter the thermal load of the refrigeration system, to achieve the purpose of energy saving. Ultrafilter evaporator is divided into the cycle type membrane two categories. Mainly composed of two parts of the heating chamber and the evaporation chamber. The heating chamber to the liquid evaporated amount of heat required to promote liquid boiling vaporization; evaporation chamber so that a gas-liquid two-phase separated completely. The vapor generated in the heating chamber with a large number of liquid foam, into a larger space in the evaporation chamber, these liquids by their own cohesion or demister like role is separated with steam. Usually located in the evaporation chamber demister the top. However, in actual Chinese reach this point, because the the precision filter import and export the temperature difference of more than 15 ° C in the air inlet temperature is below 45 ° C rarely. Generally speaking, the reaction level of precision filter the exhaust gas temperature into the degree of re-use of the cold energy generated by the precooler-system, the exhaust gas temperature is high, and high utilization of the cooling capacity. However, due to the limit of the heat exchange conditions, especially by the machine dew point not lower than the freezing point of the limitations, the improvement of the exhaust gas temperature of the dry machine is limited.