Manufacturing process of spiral plate heat exchanger

Cutting, splicing, non-destructive testing, flanging, contact welding, distance column, surface cleaning, overall splicing, non-destructive testing, rolling, channel shaping, welding, assembly, metal processing, assembly, pressure testing, acid pickling and passivation, painting and packaging.

End cover cutting (imitation cutting), assembly (circular rib, inverted cone), bonding and laminating, non-destructive testing, metal processing, leak detection, post-treatment, and painting.