Semi welded plate heat exchangers are efficient and compact heat exchange equipment widely used in various industrial fields.
Plate material
The commonly used plate materials for semi welded plate heat exchangers include stainless steel, aluminum alloy, copper alloy, etc. These materials have characteristics such as high thermal conductivity, corrosion resistance, and easy processing, which can meet different process requirements. Among them, stainless steel has good corrosion resistance and high-temperature performance, but its price is relatively high; Aluminum alloys have lightweight, high thermal conductivity, and good processability, but are prone to corrosion; Copper alloys have high thermal conductivity and good corrosion resistance, but their prices are relatively high.
Schematic diagram of laser welding module
Welding process
The welding process of semi welded plate heat exchangers includes spot welding, seam welding, argon arc welding, etc. Spot welding is suitable for welding small areas and thin plates, with advantages such as high production efficiency and low cost, but the welding quality is greatly affected by the skills of workers; Seam welding is suitable for welding large areas and thin plates, with stable welding quality but low production efficiency; Argon arc welding is suitable for welding stainless steel plates, with high welding quality but also high production costs.
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