How Much Do You Know About Water Chiller?

Water chiller is a refrigeration device that provides constant temperature, constant flow, and constant pressure cooling water. It absorbs indoor heat by circulating the refrigerant in the refrigeration system and releases the heat outdoors through the coolant.

The working principle of water chiller is based on a refrigeration cycle, usually consisting of four main components, including a compressor, condenser, expansion valve, and evaporator. The following is a brief description of the working principle of the chiller:

Compressor: The compressor is the core component of water chiller, responsible for compressing the refrigerant into high-temperature and high-pressure gas, and delivering it to the condenser.

Condenser: The condenser is the second component of the refrigeration cycle, which converts high-temperature and high-pressure refrigerant into high-pressure liquid through cooling. The cooling method is usually achieved by dissipating heat from water or air, releasing heat from high-temperature and high-pressure gases to cool them down.

Expansion valve: The expansion valve is the third component of the refrigeration cycle, located on a high-pressure liquid pipeline, responsible for reducing the pressure of the refrigerant, making it a low-pressure liquid after passing through the expansion valve, in order to enter the evaporator.

Evaporator: The evaporator is the last component of the refrigeration cycle, which receives low-pressure refrigerant liquid and evaporates it internally, absorbing surrounding heat into the refrigerant and transforming it into a low-temperature and low-pressure vapor state. The low-temperature and low-pressure steam then enters the compressor and repeats the refrigeration cycle.

Throughout the refrigeration cycle, the refrigerant continuously flows between the compressor, condenser, expansion valve, and evaporator, absorbing and releasing heat to control the temperature and humidity of the indoor air. By adjusting the pressure and temperature of the refrigerant, the chiller can achieve different cooling effects and meet the needs of different environments.

Focusun’s chillers can provide constant temperature, constant flow, and constant pressure cold water and ice water. No matter how low the outlet temperature is or how large the cooling temperature difference is, Focusun can provide a complete cooling plan by using a 1-4 stage cooling method.

First level cooling: Using an evaporative condenser and utilizing natural water evaporation for cooling, the first level cooling can reduce the temperature of tropical high-temperature water sources above 45 ° C to 36 ° C, consuming a very small amount of power, achieving the ideal cooling effect.

Secondary cooling: Using a plate exchange or shell and tube evaporator, the water can be reduced from 36 ° C to 15 ° C, and the evaporation temperature can be controlled at 10 ° C. The higher evaporation temperature makes the compressor unit have good energy efficiency ratio, COP/ EER. Up to 4.2kw/kw.

Third level cooling: Plate or shell evaporator is used, which can reduce water from 10 ° C to 4C. Evaporation pressure regulating valve is used to maintain a constant+0.5 ° C evaporation temperature, resulting in a high heat transfer temperature difference inside the evaporator. The heat transfer effect is good, and the evaporator is guaranteed not to freeze and crack.

Fourth level cooling: Adopting Focusun’s unique immersion and open plate evaporator, with gas anti freezing technology, completely eliminating the possibility of evaporator freezing and cracking; By using an evaporation pressure regulating valve to control the evaporation temperature to -5 ° C, water can be reduced from 4 ° C to below 0.5 ° C.

The cooling capacity of the chiller can be adjusted as needed to meet different application requirements. They are commonly used in fields such as air conditioning systems, industrial production, frozen storage, and food processing, providing reliable and efficient solutions for indoor and outdoor temperature control. If you are also interested in this chiller, please leave a message~




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Focusun Refrigeration Corporation
Room 603, Baohong Center
No. 7755 Zhongchun Rd
Shanghai CHINA
ZipCode: 201100

Tel: +86-21-5108 9946
Fax: +86-21-5227 2259