Production process of stepped multilayer efficient composite membrane folding filter element
A production process and filter technology, which is applied in the field of production process of cascade layered high-efficiency composite membrane folded filter elements, can solve problems such as clogging and low reliability, and achieve the effects of simple production process, prolonging service life and ensuring reliability
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[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0033] see figure 1 , the present invention provides a technical solution: a production process for a step-layered high-efficiency composite membrane folded filter element, comprising the following steps:
[0034] Step 1: Lay the multi-layer filtration membranes with different filtration precisions in order of precision from coarse to fine via a membrane paver to form a composite layered microporous filtration membrane;
[0035] Step 2: Dividing the composite layered microporous filtration membrane into an upstream supported filtration membrane and a downstream supported filtration membrane in the...
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