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Manufacturing method of reverse osmosis membrane element

A technology of reverse osmosis membrane and production method, which is applied in the direction of semipermeable membrane separation, chemical instruments and methods, membranes, etc., to achieve the effects of improving sealing, increasing water production, and reducing pure water leakage

Active Publication Date: 2022-01-11
FOSHAN MICRO MIDEA FILTER MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to propose a method for manufacturing reverse osmosis membrane elements, aiming to solve the technical problem of how to improve the water production of reverse osmosis membrane elements

Method used

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  • Manufacturing method of reverse osmosis membrane element
  • Manufacturing method of reverse osmosis membrane element
  • Manufacturing method of reverse osmosis membrane element

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0037] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses a method for manufacturing a reverse osmosis membrane element, which includes: hot pressing at least one winding side through a hot pressing process; Coating the adhesive layer; winding the central pipe from one end of the two winding sides along the water outlet surface coated with the adhesive layer. In the manufacturing method of the reverse osmosis membrane element of the present invention, the adhesive layer is coated after the winding side is hot-pressed, so that the adhesive layer can be more fully and stably combined with the reverse osmosis membrane, and the pure water channel after winding is improved. The tightness of the winding side can reduce the leakage of pure water and increase the water production of reverse osmosis membrane elements.

Description

technical field [0001] The invention relates to the field of reverse osmosis filter elements, in particular to a method for manufacturing a reverse osmosis membrane element. Background technique [0002] When the reverse osmosis membrane element in the prior art is rolled, glue is applied to the sides of the two windings of the reverse osmosis membrane to automatically close the two ends of the rolled reverse osmosis membrane. , so that the adhesive layer cannot be effectively combined with the reverse osmosis membrane, resulting in low sealing at both ends of the rolled reverse osmosis membrane, resulting in leakage of pure water, resulting in a decrease in the water production of the reverse osmosis membrane element. Contents of the invention [0003] The main purpose of the present invention is to propose a method for manufacturing a reverse osmosis membrane element, aiming at solving the technical problem of how to improve the water production of the reverse osmosis me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/06
CPCB01D63/061B01D63/065B01D2313/04
Inventor 梁志远郝银鸽
Owner FOSHAN MICRO MIDEA FILTER MFG CO LTD