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Sealed structure of spiral plate heat exchanger
Jan 28, 2021

There are two types of sealing for spiral plate heat exchangers, namely welding sealing and gasket end cover sealing. (1) Welding and sealing There are three structural forms of welding and sealing. ①The channel that needs to be sealed is filled with square steel into the steel plate, and then welded after rolling; ②The channel that needs to be sealed is rolled into the steel plate with round steel gasket and then welded ③The spiral plate is rolled on a special machine tool to beveled and formed during the rolling process. The smaller the coiling radius, the greater the flanging springback. The coiled spiral plate undergoes channel flanging correction and shaping and then welds.

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