Analysis of the current status of refrigeration compressor technology development

Analysis of the current status of refrigeration compressor technology development One: adapt to changes in refrigerant CFCs and HCFCs refrigerants that have a destructive effect on the ozone layer are phase-out substances specified in the Montreal Protocol, and have been gradually replaced by HFCs and natural refrigerants in the late 1980s. The compressor has been greatly improved in technology to adapt to alternative refrigerants, and developed H134s refrigerant compressors such as R134a, R404A, R407C and R410A, and HCs refrigerant compressors such as R600a and R290. CO2 transcritical cycle compressors have been successfully used in automobile air conditioners and heat pump water heaters. Ordinary CO2 compressors and NH3 cascade systems are being used for commercial refrigeration, and closed NH3 compressors are being used in air conditioners and refrigerators. Two: frequency conversion technology and digital vortex The compressor continuously adjusts the capacity steplessly, which can better match the load change of the refrigeration unit and effectively improve the operating efficiency and adaptability of the unit under all operating conditions. Frequency conversion rolling piston and rotary nest compressors have been widely used in various types of air conditioning units. At present, frequency conversion technology is being extended to piston, screw and even centrifugal compressors. The output of frequency conversion piston compressors for refrigerators is also gradually expanding. The new version of air-conditioning energy efficiency standards issued by China in September 2008 will further stimulate the development of inverter technology. The application proportion of mechanical continuous variable capacity digital vortex compressor in multi-unit air-conditioning units is gradually expanding. Three: economizer gas supply and stand-alone multi-stage compression The normal working condensation and evaporation temperature difference of the single-stage compression refrigeration system is 40-60 ℃. In cryogenic and low temperature air source heat pumps, this temperature difference can reach 75 ℃. In order to enable a single compressor to produce a large temperature difference, EVI screw compressors and scroll compressors have been mass-produced, and piston compressors and rolling piston compressors for air supplement have also been studied. Single-cylinder two-stage compression multi-cylinder piston compressors are becoming more and more common in refrigeration equipment. Single-cylinder two-stage compression two-cylinder rolling piston compressors have been successfully developed and applied. The single-machine three-stage compression centrifugal compressor is already a symbol of high energy efficiency. Four: Expand the capacity range and application areas The longest-lasting and most adaptable reciprocating piston compressor is a general-purpose model with a wide range of capacity. It continues to occupy the top position in the field of refrigerators and commercial freezers, and is subject to rolling piston, scroll, and screw compressors in the field of air conditioning Challenge. The compact centrifugal compressor with magnetic bearing is a highly mechatronic product, which is used in chiller units and overlaps with the capacity of the screw compressor. Large-scale scroll compressors and fully enclosed screw compressors have been mass-produced, and the two have been connected in terms of capacity. The output of scroll compressors for refrigeration continues to increase, and three-screw compressors have also been put on the market. The capacity range of the rolling piston compressor has been expanded up to 14hp and down to 1 / 8hp. In order to solve the problem of leakage and wear after using R410A, the research on the deformation structure of rolling piston compressors is extremely active, and the swing rotor compressor has been applied in engineering. Five: special and special purpose compressors The shaft seal is the core component of the bus air-conditioning compressor, which is still dominated by domestic brands. Rolling piston compressors for air source heat pump water heaters have been mass produced. The compressors for air conditioners and refrigerators driven by various special power sources such as 12V, 24V and 48V DC have also been mass produced, and are mainly rolling piston type, piston type and triangular rotor type. Micro compressors for cooling of microelectronics and air conditioning for human bodies are also under development.

Recent related posts

06/14/2020

Analysis of the current status of refrigeration compressor technology development

06/14/2020

EM compressor explosion diagram

06/14/2020

Magnetic suspension refrigeration compressor PK traditional refrigeration compressor Principle

Magnetic suspension refrigeration compressor PK traditional refrigeration compressor Principle Magnetic levitation refrigeration compressor is a kind of magnetic field, so that the rotor is suspended in the air, there will be no mechanical contact and mﰸ2䀀ￜ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔǅ༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理뛐珵Љ䕄ྦ뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱

06/14/2020

Refrigeration compressor technology development trend

The refrigeration compressor is the "heart" of the refrigeration system, and its thermal performance and reliability largely determine the thermal performance and reliability of the refrigeration system. In order to meet the needs of users and fierce markﰸ2䀀ￜ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔǅ༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理뛐珵Љ䕄ྦ뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱

06/14/2020

The working principle of refrigeration compressors_The main performance parameters of refrigeration compressors

Working principle of refrigeration compressor

06/14/2020

What is a refrigeration compressor and how does it work

What is a refrigeration compressor and the working principle of a refrigeration compressor A refrigeration compressor is the most important equipment in a refrigeration device, and is usually called the host in the refrigeration device. Refrigerant vapor ﰸ2䀀ￜ皥

06/14/2020

The future development space of maglev central air conditioner

The emergence of magnetic suspension refrigeration compressors not only provides a new technology application method for the q * HVAC industry, but also as a product application of the central air conditioning technology z * forefront and energy saving efﰸ2䀀ￜ皥䖒皦즠Ʋ娼ི㲈Ʋ䌁皦隆ᮔǅ༬皧婆ིЀ呄ᠾ鹨់༹皧ࠄ00븹먱댁珵理뛐珵Љ䕄ྦ뤂ᐱ變뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់變ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔǅ'鱤ǆቜ먢䇨珵呈ᠾ뤂ᐱ⷇⬿먲僧ᐱ靖㥲ᐲ�僬㣢ᐲᠾ靖랖僧מﯼ靖�僬㣢ᐲ臆S㥲ᐲᬄğﯼ戴ﯤ艏S練杴 ﯼ杴㥲ᐲ

06/14/2020

The development history of magnetic levitation central air conditioning

Magnetic suspension centrifugal refrigeration compressors have been in research for 18 years from the beginning of z * to the present. At present, magnetic suspension refrigeration compressors have begun to be put into practical applications in large quanﰸ2

06/14/2020

Structural design analysis of small linear refrigeration compressor

06/14/2020

Refrigeration compressors have five major technological

Refrigeration compressors have five major technological developments around energy saving CFCs and HCFCs refrigerants that have a destructive effect on the ozone layer are phase-out substances specified in the Montreal Protocol

Customers frequently viewed

IWAYA DENKI Water Pump 25CJT0752

US$2307.69

Panasonic Servo Motor MHMF022L1V2M

US$653.85

Honeywell Solenoid Valve VE4025B1045

US$334.62

ROTEN Mechanical Seal 8E5K-22-X

US$384.62

Copeland Compressor ZPS21K5E-PFV-600

Fanuc Servo Motor A06B-0078-B203

US$2880.00

Teco TAIAN VFD Frequency Converter A510-6030-C3-U

C&U Bearing 607-2RS

US$1.56

ULVAC Vacuum Pump PMB2400D-MF4A2S7I2B1

Bosch Rexroth Solenoid Valve 4WREE10E1-75-2X/G24K31/F1V

US$3038.46

Saginomiya Expansion Valve ATX-34035DHSL

SUNX Sensor MQ-WN20A-DC12-24V

US$230.00

SIEMENS Relay 3UG4631-1AW30

US$401.92

Sanyo Denki Fan 9GV1224P1J011

US$46.77

Related Info

Analysis of the current status of refrigeration compressor technology development

Recent related posts