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The Structure Of Tetrafluoroethane Heat Exchanger Jun 15, 2017


PTFE heat exchanger tube bundle using PTFE thin-walled capillary, make up the shortcomings of plastic thermal conductivity low, to overcome the liquid laminar flow phenomenon, that is, to play a strong corrosion resistance of PTFE, but also improve the heat transfer Efficiency and the same size under the heat transfer area. Heat exchanger using advanced welding technology, PTFE Tetrafluoroethane Heat Exchanger to overcome the previous polytetrafluoroethylene heat exchanger welding leakage problem, the welding strength of up to 1.5MPa.

PTFE heat exchanger is divided into tube-type and shell-and-tube; tube bundle is the heat exchanger is installed directly in the heat exchanger solution to the container, to achieve the exchange of heat. Tube-shaped heat exchanger installation, easy maintenance, easy to use; tube-type heat exchanger with a plate (placed on the side of the groove) W-shaped, U-shaped, L-shaped (placed at the bottom), PTFE Tetrafluoroethane Heat Exchanger in shape or garden, Shaped and other special shape, can also be formed according to the requirements of customers

The structure of the tetrafluoroethane heat exchanger is shell and tube heat exchanger and immersion heat exchanger two types. Their main parts are composed of many small diameter thin-walled Teflon heat transfer hose. Commonly used tube specifications are a variety of diameter × wall thickness were 3 ~ 25mm × 0.3 ~ 0.1mm. The tube bundle contains 60 to 5000 tubes, PTFE Tetrafluoroethane Heat Exchanger each with a polytetrafluoroethylene tape. Tube bundle inserted in a ring, welded into a whole honeycomb tube plate. The other components of the tetrafluoroethane heat exchanger are common with the common shell-and-tube heat exchangers and submerged heat exchangers with metal pipes as heat transfer modules.

Polytetrafluoroethylene chemical stability is very stable, particularly good corrosion resistance. Teflon wall surface is smooth, and there is a moderate flexibility, the use of micro-vibration, it is not easy to scale. , The unit unit volume of heat transfer area for the metal tube shell and tube heat exchanger more than 4 times. Flexible Teflon tubing can work safely in the impact and vibration of the fluid, and the tube bundle can be made in a variety of special shapes as needed. Teflon thermal conductivity is low, mechanical properties worse than the metal, not high temperature. The use of small diameter, thin tube wall, PTFE Tetrafluoroethane Heat Exchanger although the thermal conductivity and mechanical properties are compensated, but still only for lower pressure and lower temperature occasions.

The tetrafluoroethane heat exchanger comprises a shell, a heat transfer tube is arranged in the shell, and a fluorine plastic ring is arranged on both ends of the heat exchange tube. The plurality of heat transfer tubes are overlapped with each other through a fluorine plastic ring at both ends, And the outer surface of the fluorine plastic ring at both ends of the tube is a jacket which is connected with the tube. The shell is provided with a material inlet and outlet connected with the cavity of the shell, and a medium is arranged on the shell, Tubular metal pipe wall outside the composite fluorine plastic coating. The utility model has reasonable structure and high pressure resistance, PTFE Tetrafluoroethane Heat Exchanger and can withstand the working pressure of -0.1 to + 1.6MPa, and the heat transfer coefficient is 50% higher than that of ordinary tetrafluoroethane heat exchanger, reaching 150 kcal / Heat exchanger within the layout of the heat exchanger area ratio, per cubic meter of equipment within the volume of heat transfer area of up to 80 square meters, resistant to working temperature of -20 ℃ ~ +200 ℃.