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GOLDENSAIL
24
2022
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10
Introduction of fully welded plate heat exchanger and semi-welded plate heat exchanger
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(1) Semi-welded plate heat exchanger
The structure of the semi-welded plate heat exchanger is that every two corrugated plates are welded together, and then they are combined together and sealed with gaskets between each other. The inter-plate passages welded together take the fluid with higher pressure, and the inter-plate passages sealed with gaskets take the fluid with lower pressure, so this kind of plate heat exchanger increases the working pressure of one side.
The main application areas are: crude oil, natural gas purification and chemical products; chemical industry; pharmaceutical and specific chemicals; injection control systems; HVAC refrigeration; district heating, thermal power plants; food processing; cooling tower heat recovery; petrochemical; heating ; Electric power; Metallurgy; Bioenergy; Oil refining; Power plants; High temperature industries.
(2) Fully welded plate heat exchanger
In order to make the plate heat exchanger suitable for working under high temperature and high pressure, the plates are welded together, and such products were available in the 1960s. However, this kind of structure is difficult to manufacture, and the plate cannot be repaired after it is damaged.
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