The "Best Cold Source Method for Contemporary Ice Storage Low Temperature Engineering" for Helium He Refrigerator
Helium, high-purity helium
Air conditioning has been widely and deeply used by people. With the development of society and the advancement of science and technology, people have put forward higher requirements for energy consumption. How to choose ice storage air conditioning and use refrigerators has become an important topic in current scientific research. The use of green refrigerants such as helium, refrigerators, bromine machines, and chlorine free electric refrigeration screw machines has rapidly evolved from advocacy to urgency and necessity.
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The advantages of "helium machine" ice storage low-temperature area cooling and low-temperature air conditioning:
1. The "helium engine" uses helium as a refrigerant, which is a good choice because helium is a pure natural and pollution-free green refrigerant that does not cause air pollution or greenhouse effect.
2. Helium engine cooling is widely used in the cryogenic field (-196 ℃) and is a relatively mature technology. It has great potential and advantages in industrial cooling (-20~-50 ℃), and has broad application space.
3. The "helium refrigeration machine" has natural advantages such as simple structure, few parts, no valves, no need to add lubricating oil, complete machine shutdown, easy maintenance, long service life, and a fault free operation time of up to 35000 to 4000 hours.
4. The "helium cooler" has achieved groundbreaking improvements in mechanical aspects. Replacing the push piston with an expansion piston can save more than 30% energy.
In short, the era of helium refrigeration is irreversible. A new era of cooling is coming and will spread widely. However, the development path is bumpy and uneven. There is also practical development and research on "helium coolers". In addition, helium resources in China are still relatively scarce and are currently only used in high-end industries such as aerospace, pharmaceuticals, and lasers. Therefore, there is still a long way to go before the widespread use of helium coolers.
