Chilling and heating circulator is also known as High-Low Temperature Circulating Device, is composed of a refrigeration unit, heating unit, circulating system, and control system.
The entire circulating system utilizes a fully enclosed circulation with a liquid expansion container. The expansion container and liquid circulation are independent systems, where the expansion container is mechanically connected but does not participate in the liquid circulation. Even under high-temperature operation, the heat transfer medium in the expansion container does not exceed 50 degrees Celsius.
The entire liquid circulation operates as a closed system, ensuring no water vapor absorption during low-temperature operation and no oil mist generation during high-temperature operation, thus improving the lifespan of the heat transfer oil. With the same equipment and heat transfer medium, it can achieve continuous temperature control from -95 degrees Celsius to 350 degrees Celsius. The cooling capacity ranges from 1 kW to 100 kW, providing a wide selection range.
Features
- Combined heating and cooling container with large heat exchange area for rapid temperature changes and reduced heat transfer oil demand.
- High-temperature and high-pressure compressor technology for direct cooling from 350 degrees, improving cooling rate.
- Safety features include self-diagnosis, overload protection, high-pressure switches, and high-temperature protection.
- Temperature adaptive control with precise PID parameter adjustment for optimal temperature control.
- PT100 temperature probe and correction loop for accurate temperature measurement and control.
- Uses environmentally friendly refrigerants without CFC and HCFE.
- Enables precise control of chemical reaction speed.
- Liquid circulation pipeline and heating pipes made of industrial-grade stainless steel for durability.
- Features scroll compressor and high-temperature-resistant circulating pump for reliable performance.
- Utilizes solid-state relays for spark-free and noiseless operation.
- Wide temperature ranges from -95 to 350 degrees with heating and cooling functions.
- Displays set temperature, actual temperature, and temperature alarm value simultaneously.
- Simple and efficient liquid filling process.
- Rapid cooling from high temperatures and continuous temperature control from 350 degrees to -95 degrees.
- Designed with high-quality stainless-steel wire-reinforced hoses and insulation covers for safe connections in high-temperature environments.
Application
The High-Low Temperature Circulating Device, namely Cooling and Heating Circulator is designed on the base of circulating chiller and high temperature oil bath. It is usually used as an ancillary equipment for jacked glass reactor, molecular distillation, and rotary evaporator, supply low and high temperature reaction condition. Widely used Colleges and universities, environmental protection, biochemical, medical, chemical industry, scientific research, etc.
