How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Editor:adminClick：
Time:2018-07-18 10:57
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Xinxiang Pan Chao Instruments Co., Ltd. is mainly specialized in manufacturing liquid nitrogen container and Cryogenic tanks, such as storage liquid nitrogen tanks, transport liquid nitrogen tanks, large-diameter liquid nitrogen tanks, etc., which are used for frozen storage of livestock semen, cryopreservation of human organs and skin, industrial cold assembly, and cold treatment of metal materials.
It is well known that liquid nitrogen has a lot of uses, today we mainly introduce how liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Liquid nitrogen tanks are used in industrial production to obtain liquid nitrogen by means of compressed liquid air fractionation. They can be used as deep refrigerants. Because of their chemical inertness, they can be directly contacted with biological tissues and immediately frozen without destroying biological activity. Used for:
(1) Quickly freeze and transport food, or make ice products.
(2) conducting research on low temperature physics.
(3) Demonstrate low temperature conditions in science education. When a soft object is soaked in liquid nitrogen at room temperature, it will be brittle as glass.
(4) Providing a temperature required for the high-temperature superconductor to exhibit superconductivity, such as beryllium copper oxide.
(5) It can be used as a refrigerant to rapidly freeze biological tissues and prevent tissue damage.
(6) Used in industrial nitrogen fertilizer.
(7) For chemical testing, such as BET specific surface area testing.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
In addition, in the low-temperature assembly of the workpiece, according to the principle of thermal expansion and contraction, the frozen workpiece has a certain amount of shrinkage, thereby achieving the purpose of assembly. Some precision gauges and some precision devices require their organization to be stable and not deformed during use and storage. Some of these precision gauges and devices made of steel have retained austenite after quenching. If the retained austenite is not eliminated, it is difficult for these gauges and devices to ensure no deformation. An effective method of eliminating this retained austenite is to cold treat it, transform the retained austenite into martensite, and turn it into a stable tempered structure by tempering. There are also special-purpose materials or products that require cold or cryogenic treatment with liquid nitrogen in liquid nitrogen tanks in order to meet dimensional stability and safety requirements for use in low temperature environments.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Since the temperature of the liquid nitrogen is -196 ° C and the chemical stability is also good, the liquid nitrogen in the liquid nitrogen tank can be directly or indirectly used for the above cold treatment. Some shapes are relatively simple, and there is no need to worry about deep cold cracking, aluminum alloy parts or steel parts that do not have to worry about changes in mechanical properties, and can be directly immersed in liquid nitrogen in a liquid nitrogen tank for cryogenic treatment. When it is not possible to directly soak, it is also possible to use a liquid nitrogen volatile gas in a liquid nitrogen tank as a cooling medium.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
If you are interested in the liquid nitrogen tanks or need to consult, please click on our online customer service, or call us. Pan Chao, customized different quality specifications of the liquid nitrogen tanks.
Pan Chao medical farming instruments, tailored for your different demands. Welcome to send your inquiry: Phone : +86 13569413718 Email: info@panchaosight glass.com
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Xinxiang Pan Chao Instruments Co., Ltd. is mainly specialized in manufacturing liquid nitrogen container and Cryogenic tanks, such as storage liquid nitrogen tanks, transport liquid nitrogen tanks, large-diameter liquid nitrogen tanks, etc., which are used for frozen storage of livestock semen, cryopreservation of human organs and skin, industrial cold assembly, and cold treatment of metal materials.
It is well known that liquid nitrogen has a lot of uses, today we mainly introduce how liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Liquid nitrogen tanks are used in industrial production to obtain liquid nitrogen by means of compressed liquid air fractionation. They can be used as deep refrigerants. Because of their chemical inertness, they can be directly contacted with biological tissues and immediately frozen without destroying biological activity. Used for:
(1) Quickly freeze and transport food, or make ice products.
(2) conducting research on low temperature physics.
(3) Demonstrate low temperature conditions in science education. When a soft object is soaked in liquid nitrogen at room temperature, it will be brittle as glass.
(4) Providing a temperature required for the high-temperature superconductor to exhibit superconductivity, such as beryllium copper oxide.
(5) It can be used as a refrigerant to rapidly freeze biological tissues and prevent tissue damage.
(6) Used in industrial nitrogen fertilizer.
(7) For chemical testing, such as BET specific surface area testing.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
In addition, in the low-temperature assembly of the workpiece, according to the principle of thermal expansion and contraction, the frozen workpiece has a certain amount of shrinkage, thereby achieving the purpose of assembly. Some precision gauges and some precision devices require their organization to be stable and not deformed during use and storage. Some of these precision gauges and devices made of steel have retained austenite after quenching. If the retained austenite is not eliminated, it is difficult for these gauges and devices to ensure no deformation. An effective method of eliminating this retained austenite is to cold treat it, transform the retained austenite into martensite, and turn it into a stable tempered structure by tempering. There are also special-purpose materials or products that require cold or cryogenic treatment with liquid nitrogen in liquid nitrogen tanks in order to meet dimensional stability and safety requirements for use in low temperature environments.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
Since the temperature of the liquid nitrogen is -196 ° C and the chemical stability is also good, the liquid nitrogen in the liquid nitrogen tank can be directly or indirectly used for the above cold treatment. Some shapes are relatively simple, and there is no need to worry about deep cold cracking, aluminum alloy parts or steel parts that do not have to worry about changes in mechanical properties, and can be directly immersed in liquid nitrogen in a liquid nitrogen tank for cryogenic treatment. When it is not possible to directly soak, it is also possible to use a liquid nitrogen volatile gas in a liquid nitrogen tank as a cooling medium.
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
If you are interested in the liquid nitrogen tanks or need to consult, please click on our online customer service, or call us. Pan Chao, customized different quality specifications of the liquid nitrogen tanks.
Pan Chao medical farming instruments, tailored for your different demands. Welcome to send your inquiry: Phone : +86 13569413718 Email: info@panchaosight glass.com
How liquid nitrogen in liquid nitrogen tanks is used in the industry as a cold treatment and refrigerant
| liquid nitrogen tank | cold treatment and refrigerant | liquid nitrogen |
| liquid nitrogen tank | cold treatment and refrigerant | liquid nitrogen |
| liquid nitrogen tank | cold treatment and refrigerant | liquid nitrogen |
| liquid nitrogen tank | cold treatment and refrigerant | liquid nitrogen |
Keywords:liquid nitrogen tank,
liquid nitrogen,
cold treatment,
refrigerant,
Industrial liquid nitrogen tank
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