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Chiller Cooling Water System

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Chiller Cooling Water System

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The chiller cooling water system is a kind of equipment used for refrigeration. It mainly cools water to the required temperature, and then uses it for air conditioning systems and equipment that need to be cooled during processing.

How chiller cooling water system works?

The working principle of the chiller is to use the physical properties of the refrigerant to cool air or water. Common chillers mainly include compression chillers and absorption chillers.

1. Compression chiller

The working principle of the compression chiller is to achieve the effect of cooling water by absorbing and releasing heat through the refrigerant in the evaporation and condensation cycles. Its main components include compressor, evaporator, condenser, expansion valve, etc.

The specific workflow is as follows:

First, the compressor sucks in low-pressure refrigerant, then compresses it into high-pressure and high-temperature gas through compression, and then transfers it to the condenser;

Secondly, the condenser will release heat from the high-pressure and high-temperature refrigerant, turning it into high-pressure and low-temperature liquid, and then transmit it to the expansion valve;

Then, the expansion valve expands the refrigerant of high-pressure cryogenic liquid into low-pressure cryogenic liquid, and then transfers it to the evaporator;

Finally, the evaporator absorbs external heat and turns the low-pressure, low-temperature refrigerant into low-pressure, low-temperature steam, which is then circulated back to the compressor to maintain this cycle.

2. Absorption chiller

Absorption chillers are different from compression chillers in that they mainly use absorption media (usually water and ammonia, water and lithium bromide, etc.) to absorb cooling water, and use energy in the process of absorption and heat release to achieve cooling.

Its main working principle is as follows:

First, in the generator, the absorption media and cooling media undergo a series of reactions to form a high-temperature and high-concentration absorption liquid;

Secondly, in the cooler, the cooling medium passes through the absorbing liquid and after absorbing the heat, the cooling medium is cooled;

Then, in the absorber, the absorption liquid and the cooling medium go through a series of reactions, making the absorption liquid become thinner and easier to circulate back to the generator to maintain circulation.


Chiller Cooling Water System


Application scope of chiller cooling water system

Chiller is an important refrigeration equipment, widely used in various fields, mainly including the following aspects:

1. Air conditioning system

The chiller is one of the core components in the air conditioning system. It can provide cold water in large office buildings, shopping malls, hotels, airports, subways and other public places, so that these places can bring coolness to people in summer, improving people’s lives and Work efficiency.

2. Medical equipment

Medical equipment usually requires a large amount of refrigeration processing to ensure the normal use of diagnostic and treatment equipment. It also requires cold therapy, body temperature control, etc. for patients, all of which require chillers to provide refrigeration effects.

3. Mining and metallurgy

In the mining and metallurgical industry, many equipment need to be cooled to ensure production efficiency and quality, and chillers can provide cooling and insulation effects for these equipment, and can also prevent overheating of furnaces and other equipment in summer.

4. Electric power industry

In the power industry, generators need to dissipate a large amount of heat and require cooling water to maintain normal operation. Chillers can provide sufficient cooling technology for generators and play an important role in the power industry.

5. Food processing

The refrigeration process in the food processing industry also requires the use of chillers for cooling to ensure the quality of processed products. Chillers play an important role in food processing.

In short, chiller cooling water system is widely used in various fields, and its importance is irreplaceable in every field. It can be said that it plays a promoting role in the development of every field.



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Precision Chillers / Small ChillersPrecision 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 Capacity 0.35 ~ 0.9kW 1.8 ~ 50kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized



recirculating chiller

Recirculating Chillers

(Custom Designs)

Our recirculating chiller adopts low-temperature refrigeration technology, the temperature is as low as -120℃, and various accessories are customizable.


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 Capacity 0.8 ~ 30kW 0.75 ~ 12kW 0.4 ~ 6kW 0.2 ~ 6kW 0.3 ~ 5kW
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 Capacity 12 ~ 360kW 6 ~ 180kW 6 ~ 180kW 4 ~ 180kW 2 ~ 120kW 2.5 ~ 11kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized



KRY常温一拖六Chillers for Automotive Test

(Custom Designs)

Temperature simulation for vehicle quality test: battery life test, fuel injector/motor test bench, airbag test, component test bench, etc.





Chillers for Semiconductor

(Custom Designs)

Suitable for precise temperature control of electronic components. In the manufacture of semiconductor electronic components for harsh environments, the IC packaging assembly and engineering and production testing phases include electronic thermal testing and other environmental testing simulations.



Chillers for Energy Storage


Liquid Cooling For Battery Energy Storage Systems

(Custom Designs)





Types For Converting Station For Energy Storage Battery For Charging Station
Cooling Capacity 45kW 5 ~ 8.5kW 4kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized



coolant distribution unit


ZLFQ Series

(Custom Designs)

Coolant Distribution Unit

Liquid cooling equipment is suitable for semiconductor testing, electronic equipment constant temperature testing, cooling server supporting infrastructure, and other fluid temperature control places.




Temperature range  +5°C ~ +35°C  +5°C ~ +35°C
Cooling Capacity 15 ~ 150kW 200 ~ 500kW
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized



thermal chuck


MD Thermal Chucks Series

(Custom Designs)

It is used for testing RF devices and high-density power devices (IGBTs and MOSFETs), and can also be used for rapid cooling of laboratory flat panels (plasma, biological products, batteries), etc.




Temperature range  -75°C ~ +225°C
Temperature accuracy ±0.1℃
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized




Screw Chillers (Custom Designs)

Low temperature screw chillers and room temperature screw chillers




Temperature range  +5°C ~ +30°C  +5°C ~ +30°C  +5°C ~ +30°C  +5°C ~ +30°C  -25°C ~ +5°C  -25°C ~ +5°C
Cooling Capacity 107 ~ 1027kW (Single Compressor) 299 ~ 2134kW (Dual Compressor) 98 ~ 934kW (Single Compressor) 272 ~ 1940kW (Dual Compressor) 48 ~ 467kW (Single Compressor) 51 ~ 497kW (Single Compressor)
Note: Any temperature range from -150℃ ~ +350℃ and any cooling capacity can be customized

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