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Components and functions of small liquid nitrogen equipment
Date: 2025-06-22Read: 1
Small liquid nitrogen equipment is a device capable of storing and using liquid nitrogen, commonly used in fields that require low-temperature environments, such as biomedical, scientific research, industrial cooling, etc. The temperature of liquid nitrogen is extremely low (about -196 ° C), allowing for efficient low-temperature storage, cooling, and processing. Due to its small size, ease of operation and maintenance, it has gradually become an important tool in many industries.
Small liquid nitrogen equipmentPart of the composition:
1. Liquid nitrogen storage tank: used to store liquid nitrogen gas. The tank is usually made of high-strength metal material and equipped with insulation layer to prevent evaporation and temperature loss of liquid nitrogen.
2. Pressure control system: Control the flow pressure of liquid nitrogen to ensure the normal operation of the equipment. The pressure control system can regulate the gasification rate of liquid nitrogen to ensure stable low-temperature environment.
3. Gasification system: By adjusting pressure and temperature, liquid nitrogen is converted from liquid to gas, thereby releasing a large amount of cold energy.
4. Temperature control device: used to maintain the stability of the internal temperature of the equipment, ensuring that the liquid nitrogen in the liquid nitrogen storage tank does not excessively vaporize or freeze.
5. Safety system: As liquid nitrogen equipment needs to operate in extremely low temperature environments, safety is crucial. Usually equipped with multiple safety devices, such as pressure valves, over temperature alarm devices, gas leak monitoring, etc.
Basic maintenance suggestions for small liquid nitrogen equipment:
1. Regularly check the pressure system
The pressure control system of liquid nitrogen equipment needs to be regularly inspected to ensure its normal operation. During the inspection process, attention should be paid to the indication of the pressure gauge to ensure that the pressure is within the normal range.
2. Maintain the insulation of the liquid nitrogen storage tank
The insulation of liquid nitrogen storage tanks is crucial for maintaining low temperatures. If there are cracks or damaged insulation layers in the tank, it will accelerate the evaporation of liquid nitrogen and waste cold energy. Therefore, it is necessary to regularly check the insulation layer and sealing of the storage tank.
3. Cleaning and disinfection
The pipelines and storage tanks of liquid nitrogen equipment should be regularly cleaned and disinfected to prevent the accumulation of impurities or contamination of liquid nitrogen, ensuring the hygiene condition of the equipment.
4. Monitor temperature and pressure
The temperature and pressure of the equipment should always be kept within a safe range to avoid excessive or insufficient temperature, which may cause equipment damage or safety accidents.
5. Regularly replace vulnerable parts
Some components in the equipment, such as sealing rings, valves, etc., may age or be damaged due to long-term use. Regular inspection and replacement of these vulnerable components can ensure long-term stable operation of the equipment.