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Cryogenic Cooling Systems

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Cryogenic Cooling Systems

 

Overview

Cryogenic cooling systems are widely used in scientific research, aerospace, semiconductor manufacturing and other fields. The working principle of this system is to use four working fluids to achieve the refrigeration process, including refrigerant, fluid, adsorbent and solid.

The functions of the four working fluids

1. Refrigerant: It plays the role of heat transfer medium in the refrigeration system, allowing high-temperature heat to flow to low-temperature areas, thereby achieving the refrigeration effect. Commonly used refrigerants include ammonia, helium, carbon dioxide, etc.

2. Fluid: The cryogenic cooling system transfers heat by circulating fluid to achieve temperature reduction. The fluid should generally have the characteristics of low viscosity, high purity, and try not to adsorb or pollute the refrigeration system.

3. Adsorbent: This working fluid is used to adsorb steam in low-temperature areas, thereby reducing the pressure of gases in low-temperature areas and providing power for refrigeration. In refrigeration systems, commonly used adsorbents include calcium fumarate, etc.

4. Solid: The solid working fluid in the cryogenic cooling system is often a superconducting material. By keeping the conductor in a superconducting state, a cooling effect with low power consumption and high efficiency can be achieved.

 

Cryogenic Cooling Systems

 

Function and composition of cryogenic cooling system

1. Refrigeration unit: It is composed of compressor, condenser and other components, and is mainly used for pressurization and cooling.

2. Cooler: used to provide low temperature and make the fluid in the refrigeration system follow a specific cycle, so that the temperature can be reduced to an extremely low level.

3. Refrigerant: used to absorb heat in low-temperature areas and then release heat in high-temperature areas. Commonly used refrigerants include hydrogen, helium, liquid nitrogen, etc.

4. Expansion valve: used to reduce the pressure of the refrigerant to reduce the temperature.

Refrigeration principles and implementation methods

The cryogenic cooling system achieves refrigeration based on the enthalpy change of low-temperature gas. In a refrigeration system, the coolant is compressed, causing its temperature to rise, and then the heat is dissipated through the refrigerant in the heat sink, thereby lowering the temperature. This decrease in temperature causes the pressure of the coolant to decrease, and the steam is then expanded by the evaporator, further enhancing the cooling effect.

The implementation methods of cryogenic cooling system include expansion refrigeration, absorption refrigeration and compression refrigeration. Among them, compression refrigeration is the most commonly used refrigeration method. It uses a compressor to pressurize the fluid, and then passes it through the heat exchanger to cool down the fluid.

In short, cryogenic cooling system is a high-tech refrigeration technology that has wide applications in semiconductor manufacturing, scientific research and other fields. Through the cooperation of four working fluids, the system can achieve extremely low temperatures and provide solid support for research and practice in related fields.

 


 

We provide complete temperature control systems design and manufacturing. From standard models to complete customized products. We specialize in customer service and are dedicated to helping each customer have the optimal temperature control system for their specific need.

We provide non-standard customized solutions. Both single cooling chillers and cooling & heating combo units are available.

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Cooling Chillers                                                                                                     

 

recirculating chiller

Recirculating Chillers / Refrigerated Circulator

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.

 

 

Temperature range -25°C ~ +30°C series -45°C ~ +30°C series -60°C ~ -20°C series -80°C ~ -20°C series -120°C ~ -70°C series
Cooling Capacity0.8 ~ 30kW0.75 ~ 12kW0.4 ~ 6kW0.2 ~ 6kW0.3 ~ 5kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

 


 

Precision Chillers / Small ChillersMini Chillers / Small Chillers

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.

 

 

Temperature range -18°C ~ +30°C +5°C ~ +35°C series
Cooling Capacity0.35 ~ 0.9kW1.8 ~ 50kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

 


 

low temperature chiller

Low Temperature Chillers

(Custom Designs)

We specialize in the production of low-temperature chillers with a temperature control range as low as -150°C, which can meet the refrigeration needs of different industries.

 

 

Temperature range -25°C ~ -5°C series -45°C ~ -10°C series -60°C ~ -10°C series -80°C ~ -30°C series-110°C ~ -50°C series -150°C ~ -110°C series
Cooling Capacity12 ~ 360kW6 ~ 180kW6 ~ 180kW4 ~ 180kW2 ~ 120kW2.5 ~ 11kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

 


SEMICONDUCTOR CHILLER

 

High Temperature Chillers

(Custom Designs)

The chiller can be widely used in various industries and laboratories, and supports customized design.

 

 

Temperature range +5°C ~ +40°C -25°C ~ +40°C -45°C ~ +40°C -80°C ~ +80°C -100°C ~ +80°C
Cooling Capacity6 ~ 40kW2 ~ 15kW1 ~ 8kW0.6 ~ 3kW1.5 ~ 3kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

 

 

Cooling and Heating Chillers                                                                            

 

Cooling and Heating Chillers

(Custom Designs)

Temperature Control Range: -120°C to +350°C

cooling and heating thermostat, widely used in various industry.

 

Temperature range -10 ~ +150°C series -25 ~ +200°C series -25 ~ +300°C series -45 ~ +250°C series -45 ~ +300°C series -60 ~ +250°C series -60 ~ +300°C series -70 ~ +250°C series -80 ~ +250°C series-90 ~ +250°C series -100 ~ +100°C series
Cooling Capacity1.5 ~ 15kW1 ~ 200kW1 ~ 200kW0.45 ~ 200kW0.9 ~ 25kW0.25 ~ 60kW0.75 ~ 25kW0.4 ~ 15kW0.3 ~ 80kW0.2 ~ 80kW0.45 ~ 80kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

 


 

Recirculating Heater Chillers

(Custom Designs)

Temperature Control Range: -45°C to +250°C

 

Temperature range -25°C ~ +200°C series -45°C ~ +250°C series
Cooling Capacity1 ~ 15kW0.25 ~ 15kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

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