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   Shell And Tuble Heat Exchenger
Tube-type heat exchanger, also known as shell-and-tube heat exchanger. Is a partition wall type heat exchanger in which a wall surface of a tube bundle is enclosed in a casing as a heat transfer surface. The heat exchanger structure is simple, reliable, can be a variety of structural materials (mainly metal) manufacturing, can be used in high temperature, high pressure, is the most widely used type.
1) According to the known cold, hot fluid flow, initial and final temperature and the specific heat capacity of the fluid to determine the required heat transfer area. Preliminary estimates of heat transfer area, the general assumption of heat transfer coefficient, to determine the heat exchanger structure, and then check the heat transfer coefficient K value.
2) the choice of heat exchanger should pay attention to pressure rating, temperature, interface connection conditions. In the pressure drop, the installation conditions allow, under the premise of shell-and-tube heat exchanger to choose a smaller diameter of the extension type, help to improve heat transfer.
3) heat exchanger pressure drop should not be too large, generally controlled between 0.01 ~ 0.05MPa;
4) Flow rate should be considered fluid viscosity, viscosity, flow velocity should be less than 0.5 ~ 1.0m / s; general flow tube should take 0.4 ~ 1.0m / s; easy to scale fluid should take 0.8 ~ 1.2m / s.
5) high temperature water into the heat exchanger should be set before the filter.
6) The heat exchanger in the heat exchange station a single processing and configuration of the number of combinations should meet the heat exchange station heat load and adjust the requirements. In the user to meet the heat load regulation requirements under the premise of the same heat coefficient in the number of heat exchanger units should not be less than 2 units, not more than 5 units.

Wuxi Ming Yan Group Co., Ltd
Tel: 86-0510-85950951  Fax: 86-0510-81010918
Contact: Mr Xiong   Phone: 86-13506182505
Web: www.yunhuihe.cn
Email: sales@yunhuihe.cn
Add:No.88, Nanhu (Middle) Road, Binhu District, Wuxi City