Laboratory specific chiller | Industrial grade quality available in multiple scenarios

Laboratory specific chiller | Industrial grade quality available in multiple scenarios

Laboratory specific chiller | Industrial grade quality available in multiple scenarios

The implementation principle and application of variable frequency chiller using room temperature pure water for refrigeration and cooling can be summarized as the following technical points:

1、 Working principle of variable frequency chiller system

1Core of refrigeration cycle: After the refrigerant works through the compressor, it releases heat to pure water at room temperature in the condenser, and the pure water carries away the heat through the circulation system. The low-temperature refrigerant inside the evaporator absorbs heat from the process equipment, reducing the temperature of pure water to the target range（as5℃~35℃）.

2Variable frequency technology control: By adjusting the speed of the compressor motor, dynamic matching of refrigeration capacity is achieved, avoiding frequent start stop of fixed frequency equipment and reducing energy consumption. dynamicPIDAlgorithm combined with pressure sensor to ensure the accuracy of pure water temperature（±0.5℃within）.

2、 Advantages of variable frequency chiller technology

1Variable frequency and fixed frequency options: The frequency converter automatically adjusts the power according to the load, which is more cost-effective compared to fixed frequency models, especially in some load conditions, with significant advantages.

2Accurate temperature control: The multi-stage refrigeration system combined with titanium alloy plate heat exchangers can quickly respond to temperature fluctuations.

3Water quality assurance: The pure water circulation system is equipped with filters and ion exchange devices to avoid metal ion pollution, and is suitable for scenarios such as semiconductors and optical equipment.

3、 Typical application scenarios of variable frequency chillers

1Process manufacturing: Cooling of semiconductor wafer etching equipment to prevent uneven doping caused by high temperatures.

2Laboratory equipment: Accurately control the temperature of exothermic reactions through pure water circulation to avoid side reactions.

5、 Selection and maintenance points

1Cooling capacity matching: Redundancy should be reserved to cope with harsh working conditions or future capacity expansion.

2Water quality management: Regularly test the resistivity of pure water to prevent microbial growth and blockage of pipelines.

The variable frequency chiller achieves a balance between refrigeration and accurate temperature control through the combination of variable frequency technology and pure water circulation. Its core advantages lie in its dynamic load response capability and clean water quality guarantee, making it particularly suitable for high-precision and high reliability industrial scenarios.