Small liquid nitrogen machine
The micro-small nitrogen liquefier adopts cryogenic mixed working fluid throttling refrigerator as the cooling source, which has a compact structure and can continuously and conveniently supply liquid nitrogen, which can be used as a supply source for small amounts of liquid nitrogen in the region
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Small Liquid Nitrogen Machine/Nitrogen Liquefaction Machine
Small liquid nitrogen machine
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- Application
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overview
The micro-small nitrogen liquefier adopts cryogenic mixed working fluid throttling refrigerator as the cooling source, which has a compact structure and can continuously and conveniently supply liquid nitrogen, which can be used as a supply source
for small amounts of liquid nitrogen in the regionBasic principle
Nitrogen liquefiers are required for nitrogen liquefaction (-180°C) in cryogenic mixed working fluid throttling chillers driven by single compressors with precooling. The cryogenic mixed working fluid throttling refrigerator is based on the recuperative multi-mixed working fluid throttling refrigeration cycle, from the ambient temperature to the target refrigeration temperature, the high, medium and low boiling point pure mass components are preferably selected to form a multi-mixed working fluid, and the relay matching of the effective refrigeration temperature zone of each boiling point component is a refrigerator that can efficiently realize the -40~-196 °C temperature zone.
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Technical advantages
The refrigerator adopts diversified environmental protection refrigeration working fluid with independent intellectual property rights
The cold box adopts unique secondary foaming technology to achieve good heat preservation effect
The refrigeration system adopts conventional air conditioning compressors, and other components are easily available
Compared with conventional Stirling and GM machines, chillers require no regular maintenance, are highly reliable and have a long service life
The liquefier has a one-key boot function, and after one-key startup, it will automatically enter the liquefaction mode
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