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Titanium spiral plate heat exchanger welding process and strict requirements
Mar 21, 2018

Titanium spiral plate heat exchangers play an important role in the industrial production of petroleum, chemicals, light industry, pharmaceuticals, and energy. They can heat or cool high-temperature fluids, vaporize liquids into vapors, or condense vapors. Liquid, so it is an indispensable device for achieving heat exchange and delivery during chemical production.


Since there are often corrosive and highly oxidizing materials in the heat exchange, the materials required for manufacturing spiral plate heat exchangers have strong anti-corrosion properties, and titanium materials are thought of at this time. Titanium spiral plate heat exchanger welding process is a certain technical requirements, of course, this welding process is a common spiral plate heat exchanger, the construction process must be strictly in accordance with equipment construction drawings for manufacturing, but also through rigorous inspection and Acceptance of completion.


In the welding of titanium plate spiral plate heat exchangers, welders are required to hold certificates for construction; after the welders are finished, welders should be put in the vicinity of the welds, and the relevant personnel should record the construction records. If there are no relevant provisions in the construction drawings, the butt height of the weld must be about 1 mm. If it is a fillet weld, the height of the weld foot must be equal to the thinner wall of the joint.


Secondly, the steel plate material used for coiling the spiral plate must be uniformly thin and thick in texture and uniform in width; if the width is inconsistent, the two ends of the spiral city plate should be polished to be the same, which will not affect the welding quality. Prepare adequate preparations before welding. For example, the debris and oxide at 10 mm on both sides of the groove must be ground and the anti-spattering measures must be taken.

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