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What is cold quantity?

What is cold quantity?
Nov 22, 2023
Author: DEAR AST
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Cooling is a common name in refrigeration, refrigeration is to get lower temperature than the surrounding air, compared with the surrounding air, it has the ability to absorb heat, generally, the heat absorption capacity of low-temperature objects relative to the surrounding air temperature is called cold volume. The lower the temperature of the object is (the bigger the temperature difference between the object and the surrounding air is ). The more the quantity is, the greater the ability to absorb heat, that is, the greater the cooling.

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1. Before filling with pearlite, the water accumulated on the foundation surface of air separation unit must be removed, dried with hot air, and all manholes shall be closed. 2. When filling pearlite, all containers and pipes in the cold box should be inflated and kept at 50kPa pressure, then slightly open the valve of each meter pipeline, and all thermometers should be electrified to check whether the thermometer cable is damaged during the filling process. 3. The filled pearlite shall not be mixed with combustibles. 4. When filling with pearlite, coarse mesh or pearlite pouring device should be set at the manhole on the top of the cold box to prevent whole bag pearlite from entering the cold box. 5. After the pearlite is filled, the manhole shall be sealed.
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