Expert analysis the current status of refrigeration compressor technology development

Expert analysis the current status of refrigeration compressor technology development "Compressor" has a wide range of applications. The composition of industrial chillers, freezing units, water-cooled chillers, air-cooled chillers, screw chillers, and cryogenic chillers cannot be separated. Of course, in the refrigeration industry, compressors are refrigeration systems One of the core components, besides the continuous improvement of its own performance, its research and development has always been around low carbon, environmental protection, and energy saving. My main theme is the technical development of several aspects. The senior technical engineer of okmarts.com for you Tell ... 1.Adaptation to changes in refrigerants: CFCs and HCFCs refrigerants that have a destructive effect on the ozone layer are phase-out substances specified in the Montreal Protocol. Compressors have made major technical improvements to adapt to alternative refrigerants. Refrigerant compressors such as r134a, R404A, R407C and R410A, and HFCs refrigerant compressors such as R600a and R290, CO2 transcritical cycle compressors have been successfully used in automotive air conditioning and heat pump water heaters, ordinary C02 compressors and nh3 cascade The system is being used for commercial refrigeration, and hermetic NH3 compressors are being used for air conditioners and refrigerators. 2.okmarts.com products use new original compressors in Europe, America and Japan, built-in safety protection, safe and quiet, power saving and durable, a variety of refrigerant choices, the unit can provide R22, R407C, R134a and other refrigerant media, according to different countries and regions to produce different power systems The unit can also be customized according to user requirements for refrigeration units and various types of anti-corrosion, brine and other high-voltage non-standard units.okmarts.com It adopts Italy Lefkang / Japan Kobelco / Taiwan Fusheng / Hanzhong semi-hermetic screw compressors and original imported twin screw compressors. Twin screw 5: 6 gear ratio and advanced linear design, energy saving and high efficiency. High-efficiency valve energy control realizes graded or stepless energy control. Balanced design, ultra-quiet and stable operation. Strict handling of moving parts, oil balance block design at special exhaust location, long maintenance period, and more than 40,000 hours of trouble-free operation High-efficiency oil separator, the amount of oil brought out by the exhaust is less than 1.5%, which effectively improves the heat exchange of the two devices and is more energy-saving and durable. 3.Frequency conversion technology and digital vortex: The compressor continuously adjusts the capacity continuously, which can better match the load change of the refrigeration unit and effectively improve the operating efficiency and price-earning ratio of the unit under all operating conditions. The frequency conversion rolling Jose and vortex compressor have been expanded to On piston, screw and even centrifugal compressors, the output of variable frequency piston compressors for refrigerators has gradually expanded. 4.3. Economizer air supplementation and stand-alone multi-stage compression: the normal condensation and evaporation temperature difference of stand-alone compression refrigeration system is 40-60 degrees, and then go to love cryogenic low temperature source heat pump and other occasions, this temperature difference can reach 75 degrees So that a single compressor can produce a large temperature difference, screw compressors and scroll compressors for air supplementation of economizers have been mass-produced, and piston compressors and rolling piston compressors for air supplementation have also been studied. 5.4. Expanding the capacity range and application areas: The longest-lasting, most adaptable reciprocating piston compressor is a general-purpose model with a wide capacity range. It continues to be the leader in the field of refrigerators and commercial freezers, but is subject to rolling pistons in the field of air conditioning , Scroll and screw compressor challenges.

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