The structure and function of the laboratory liquid nitrogen machine

Classification: Industry News

Release time: 2023-07-10

Summary: A laboratory liquid nitrogen machine is a device commonly used in laboratories for freezing, reaction control, and various other laboratory work. It mainly utilizes enthalpy reduction to achieve refrigeration. Under the condition of liquid cavitation, its vapor content is far higher than under normal environmental conditions, so a rapid evaporation process occurs when the compressed liquid gas is released, achieving the production of liquid nitrogen. In simpler terms, when liquid nitrogen turns into gaseous nitrogen, it needs to absorb a large amount of heat, which is the basis of liquid nitrogen refrigeration.

　　Laboratory Liquid Nitrogen GeneratorThis is a device commonly used in laboratories for freezing, reaction control, and various other laboratory tasks. It primarily uses enthalpy reduction to achieve refrigeration. Under the condition of liquid cavitation, its vapor content is far higher than under normal environmental conditions, so a rapid evaporation process occurs when the compressed liquid gas is released, achieving liquid nitrogen production. In simpler terms, when liquid nitrogen turns into gaseous nitrogen, it needs to absorb a large amount of heat, which is the basis of liquid nitrogen refrigeration.

　　The laboratory liquid nitrogen generator mainly has the following structure and functions:

　　1. The main components include a liquid nitrogen storage tank, a refrigeration system, and a control system.

　　2. The refrigeration system liquefies and stores nitrogen gas through a compressor cycle.

　　3. The liquid nitrogen storage tank uses a high-vacuum insulation structure to significantly reduce liquid nitrogen loss.

　　4. The control system can precisely adjust the liquid nitrogen output, ensuring a stable supply.

　　5. Equipped with a liquid level sensor, it automatically controls the liquid supply to prevent liquid nitrogen overflow or leakage.

　　6. It generally provides a liquid nitrogen output of 5-100 liters/day.

　　7. It uses a low-noise design, and the noise can be controlled below 60 decibels.

　　8. It has a liquid nitrogen delivery pipeline system that can be connected to multiple experimental devices.

　　9. Safe exhaust design, using activated carbon filtration to process liquid nitrogen evaporated gas.

　　10. User-friendly human-machine interface, LCD display for real-time monitoring of liquid nitrogen status.

　　11. The entire machine runs reliably, providing stable output of high-purity liquid nitrogen for a long time.

　　12. Small footprint, easy to install and use in the laboratory.

　　In summary, the laboratory liquid nitrogen generator can efficiently and stably produce liquid nitrogen, providing strong support for various low-temperature experiments.


Key words: The structure and function of the laboratory liquid nitrogen machine

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