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GOLDENSAIL
30
2022
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08
Semi-welded plate heat exchanger
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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.
During the disassembly and assembly process of the semi-welded plate heat exchanger, pay attention to keep the plates properly and do not place them at will. Since the plate thickness of the plate heat exchanger is only 0.5mm, if you step on it accidentally, it will easily cause deformation, thereby affecting the sealing performance. Also take care to clean the gasket grooves. If there is foreign matter in the gasket groove, the gasket will not fit and cause leakage. At the same time, check whether the gasket is damaged or aged, and repair and replace it in time.
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