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What is the meaning of deep frozen
Frozen food can make the flavor and nutrient retention is best, and it is said that at -35 deg.c, food oxidation reactions are very slow, that is to say deep freezing over the food nutrition and flavor of fresh food with little difference. In short, deep frozen to fresh.
What is the meaning of vacuum cooling in heat treatment
Use a low temperature of 100 degrees below zero
Cryogenic treatment to improve what performance?
Improve the impact toughness of the workpiece;Improve the internal stress distribution and improve the fatigue strength;Improve the corrosion resistance of the workpiece;
I would like to ask how the process of cryogenic treatment
It's just a rough process of producing oxygen through cryogenic technologyNitrogen can also be re cooled into liquid nitrogen -196 degrees.Liquid nitrogen can be used for some cryogenic treatmentIf the temperature is lower, can use liquid helium.Cryogenic applications
Can the cryogenic phase control the cooling rate?
2, the compressor refrigeration principle: the use of the suction pipe of refrigerant gas inhalation of low temperature and low pressure, through the operation of the motor drives the piston to compress it after high temperature and high pressure refrigerant gas discharge pipe to the exhaust, to provide power for the refrigeration cycle, so as to realize the compression, condensation, expansion and evaporation (endothermic) refrigeration cycle. The refrigerant of the compressor can be repeatedly used for a plurality of times, the consumption is relatively small, the power consumption in the refrigeration process is more, the cooling rate is relatively small, and the refrigeration temperature range is 0-80 DEG C. The above mentioned two kinds of refrigeration in the process of industrial production of cryogenic box, the use of liquid nitrogen refrigeration will be more. Liquid nitrogen refrigeration can be used in the temperature range from 0 DEG C to -196 DEG C. []
What is the meaning of cryogenic technology in the mechanical process, what is the specific practice?
High speed steel W18Cr4V cryogenic hardness, impact toughness and wear resistance are significantly improved with the use of its manufacturing tool life increased by 2~5 times
Ultra low pressure casting mold useful, how to arrange the process? Thank you
The size stability of die casting die is mainly solved by the following aspects:1, in the die casting process and mold temperature stability under the premise of the mold size! To ensure product size!2, in the design of die casting products, according to the way the product and the simulation of the temperature field, the type of product, the direction of contraction and so on to develop the contraction ratio, the general product shrinkage rate of about 5/1000! Step by step cumulative experience!3, die casting mold in the production period of time, (for example, 5 thousand to 10 thousand times), can do stress treatment, ABP treatment, etc.! In order to reduce the internal stress in the production process of the mould, it can achieve the purpose of stabilizing the size, preventing the fracture and increasing the service life of the die!Want to help you!
What is a cryogenic fast line
Broadly, cryogenic means - the temperature under 100 ℃, in industry can be divided into gas liquefaction technology, chemical industry and material industry of cryogenic treatment.