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醫藥冷庫廠家講解關于制冷的幾點常識
2015-10-21 13:29:46
1、攝氏溫度℃與熱力學溫度K的區別:醫藥冷庫
1, the difference between the Celsius temperature ℃ and thermodynamic temperature K:
攝氏溫度每1℃與熱力學溫度1K是相等的,但兩種溫度的起始點不同。它們之間的換算關系是:T(K)=t(℃)+273.15
Celsius per 1 ℃ and thermodynamic temperature is equal to 1 k, but different, the starting point of the two kinds of temperature. The conversion relation between them is: T (K) = T (℃) + 273.15
2、制冷劑R22的化學成分為二氟一氯甲烷(CHClF2)
2, the chemical composition of the refrigerant R22 as methylene fluoride a chloride (CHClF2)
3、過熱度:過熱蒸氣的溫度和其壓力對應的飽和溫度之差。
3, degree of superheat, superheated steam temperature and its corresponding saturation temperature difference stress.
4、過冷度:如果液體的溫度低于其壓力所對應的飽和溫度時則此時液體稱為未飽和液體,或過冷液體,其溫度之差稱為過冷度。
4, super-cooling degree: if the temperature of the liquid is lower than the pressure of the saturated temperature when the liquid is called unsaturated, at this time or supercooled liquid, the temperature difference is called supercooling degree.
5、滿液式蒸發器:制冷劑液體在殼管式換熱器管外蒸發,從而冷卻管內液體載冷劑稱為滿液式蒸發器。
5, full liquid type evaporator: refrigerant liquid evaporation in the shell and tube heat exchanger tube, thereby cooling liquid refrigerant is called full liquid type evaporator.
6、過熱蒸氣:蒸氣的溫度高于其壓力所對應的飽和溫度時此時的蒸氣稱為過熱蒸氣。
6, overheating steam, steam temperature is higher than the pressure of the saturated temperature of steam called overheating steam at this time.
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