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Ningbo Guante Refrigeration Technology Co., Ltd
What is the process principle of explosion-proof high and low temperature integrated machine?
Date: 2025-10-31Read: 6
Explosion proof high and low temperature integrated machine is an industrial equipment that integrates temperature control and safety protection functions. Its process principle can be divided into two parts: temperature control cycle and explosion-proof protection mechanism.
1. Principle of Temperature Control Cycle
The equipment achieves precise temperature control through the collaborative work of refrigeration, heating, and circulation systems. During refrigeration, the compressor compresses the refrigerant into a high-temperature gas, which is then cooled and liquefied by the condenser. The pressure is reduced through a throttling device, and the heat of the circulating medium is absorbed in the evaporator to achieve cooling. The heating system heats the medium through electric heating elements and works in conjunction with the refrigeration system to achieve wide temperature range regulation. The circulation system adopts a fully enclosed design, and the temperature control medium is transported to the target object through a magnetic driven pump. After completing heat exchange, it flows back to the inside of the equipment for further cold and hot treatment, forming a continuous temperature control cycle. The control system collects the temperature of the medium and object in real time through temperature sensors, ensuring that the temperature control accuracy meets the process requirements.
2. Principle of explosion-proof protection mechanism
The explosion-proof function is mainly achieved through structural design and control logic to isolate risks. The equipment casing adopts cold-rolled sheet spray coating technology, and the core components (such as pumps, heating tubes, electrical control cabinets, etc.) adopt explosion-proof design to prevent electrical sparks from coming into contact with external hazardous gases. In terms of control logic, the equipment is equipped with a pressure monitoring system that monitors the positive pressure chamber pressure in real time. When it falls below the safety threshold, it automatically alerts and cuts off the power supply. Key sensors such as temperature and pressure are all explosion-proof to ensure the safety of signal acquisition. In addition, corrosion-resistant materials such as stainless steel and copper that are not prone to static electricity are used for pipelines and interfaces to further reduce potential risks.
This device is widely used in industries such as pharmaceuticals, semiconductors, and new energy that require strict safety and temperature control accuracy. Its characteristics include:
1. High precision temperature control: using PID intelligent control and fuzzy algorithm fusion technology, temperature fluctuations can be controlled within ± 0.5 ℃.
2. Wide temperature range coverage: Through a dual stage cascade refrigeration and high-temperature modular heating design, ultra wide temperature range regulation from -120 ℃ to 330 ℃ is achieved.
3. Safety protection: Complies with ExdIIBT4 explosion-proof standards and is suitable for hazardous environments such as Class A workshops.
