One-end-inlet high-efficiency water-saving reverse osmosis membrane assembly

Abstract

The invention discloses a one-end-inlet high-efficiency water-saving reverse osmosis membrane assembly which comprises an upper end cover, a lower end cover, a central tube, a reverse osmosis membrane, a sealing membrane, a sealing adhesive tape, a sealing adhesive, a seal ring 1 and a seal ring 2, wherein the reverse osmosis membrane is wound on the central tube; the sealing membrane is wound outside the reverse osmosis membrane; the upper end cover is covered on the upper end of the central tube which is wound by the reverse osmosis membrane and sealing membrane, and sealed by the sealing adhesive; the lower end cover is covered on the lower end of the central tube which is wound by the reverse osmosis membrane and sealing membrane; and the gap between the lower end cover and reverse osmosis membrane is sealed by the sealing adhesive tape. The proportion of the discharge amount of the filtered pure water outlet to the raw water flowing into the membrane component can reach 1:2, thereby enhancing the water purification efficiency and performing the water-saving function. The reverse osmosis membrane assembly is simple in structure, lowers the cost of the product, and enhances the production assembly efficiency. The structure is simplified, thereby enhancing the sealing effect among various waterways, and reducing the possibility of the water mixing phenomenon in the prior art.

Description

technical field [0001] This patent relates to the field of water purification devices, specifically a high-efficiency water-saving reverse osmosis membrane module with water inlet at one end. Background technique [0002] The reverse osmosis membrane module in the prior art needs to filter the raw water through a reverse osmosis membrane filter (the osmosis membrane filter is formed by using a 0.0001 micron reverse osmosis membrane) to filter the raw water for heavy metals such as lead and arsenic, as well as sodium, various Pathogens, etc. are filtered. Usually, the filter membrane is wound on the central tube, the central tube is provided with a small hole, the central tube is covered with an inner tube, the lower end of the inner tube is sealed with the central tube, and the reverse osmosis membrane filter is provided with upper and lower end caps at both ends. The raw water enters from the upper and lower ends of the membrane, the raw water at the upper end enters throu...

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Problems solved by technology

[0003] The present invention solves the prior art by entering raw water at both ends, the raw water moves laterally relative to the reverse osmosis membrane, the residence time of the contact between the raw water and the surface of the reverse osmosis membrane is short, the water recovery rate is very low, waste water, and the efficiency of filtering water is low ;The structure is complex, the cost is high, the assembly performance is poor during the production process, and the assembly is slightly careless, which is very easy to cause mixed water (concentrated water and pure water cross-flow), resulting in the shortcomings of ineffective filtration

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