在工作的时候容易受到压力的因素限制，我们在平常工作中的螺旋板换热器的操作压力主要是由一定厚度的金属板和密封的结构来进行承受；为了提高操作的压力，相应的就要进行增加板材的厚度了，对密封结构的要求也提高了，有的厂家为了保证外壳的强度，采用加厚最外层螺旋板的方法，这样的话给我们的制造的时候也产生了很大的困难。

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