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Calculation of cooling area of sampling cooler

time:2023-11-25 22:44:54Views:

铂莱娱乐场Calculation of cooling area of sampling cooler


1: If the sample flow rate, cooling water temperature, and initial conditions of the sample are known, then the cooling surface required for the sampling cooler


The product can be obtained from equation (A1):


铂莱娱乐场A=f • 1.0029/3600 Δ Tm • U (A1)


Equation - A - required cooling area, m2;


F - Sample flow rate, L/h;


Δ Tm - average temperature difference, ℃;


U - Overall heat exchange coefficient (U=200 for double-layer spiral tubes and immersion coolers).


When the sample is superheated steam, for every 100 ℃ superheat, the cooling area calculated by equation (A1) should be based on


铂莱娱乐场On the basis of this, it will increase by 12.6%.

微信图片_20170908141357.jpg

2: The average temperature difference can be obtained from equation (A2):


Δ Tm=[(t1-T2) - (t2-T1)]/[L (t1-T2)/(t2-T1)] (A2)


Equation-


铂莱娱乐场Δ Tm - average temperature difference, ℃;


铂莱娱乐场T1- cooler sample temperature, ℃;


T2- cooler sample temperature, ℃;


T1- cooler - cooling water temperature, ℃;


T2- Cooling water temperature at the outlet of the cooler, ℃.


3: The spiral tube of the cooler can be composed of a continuous coil with the required cooling area, or it can be arranged inside and outside of two sets of spiral tubes.


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