An ultrapure water apparatus having a multi-stage filtration device

By designing a multi-stage filtration device and utilizing a combination of multi-stage reverse osmosis membranes and mesh layers, the problem of poor filtration effect of single-stage reverse osmosis membranes was solved, enabling the preparation of high-end experimental ultrapure water.

CN224411493UActive Publication Date: 2026-06-26QINGDAO MEILAI ENVIRONMENTAL ENG CO LTD
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Patent Information

Application Number
CN202520135202.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-06-26
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing ultrapure water preparation equipment has limited filtration efficiency using single-stage reverse osmosis membranes, making it difficult to meet the water quality standards for high-end experimental ultrapure water.

Method used

It adopts a multi-stage filtration device, including a primary filtration mechanism, a secondary filtration mechanism, and a tertiary filtration mechanism, which are respectively composed of an outer shell, a central tube, a reverse osmosis membrane, a mesh layer, and a sealing baffle. It achieves high-efficiency filtration through multi-stage partial osmosis filtration.

Benefits of technology

It achieves multi-stage filtration of water, meets the water quality standards for high-end experimental ultrapure water, and improves the water purification effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of ultra-pure water equipment with multistage filtering device, belong to pure water preparation technical field, a kind of ultra-pure water equipment with multistage filtering device, including cabinet, with the hinge connection of the cabinet machine door and fixedly connected on the water inlet threaded joint of the cabinet side wall, the axial position of the water inlet threaded joint is successively installed with primary filter mechanism, secondary filter mechanism and tertiary filter mechanism, the primary filter mechanism, secondary filter mechanism and tertiary filter mechanism all include the shell of being arranged in outside and by the inside to the outside center tube being arranged in the inside of shell, water inlet grid layer, second reverse osmosis membrane, water production grid layer and first reverse osmosis membrane, water inlet hole being opened on the center tube, sealing baffle being fixedly connected in the inside end of shell, concentrated water trickling hole being opened in the side wall of shell, it can be obtained by multistage osmosis filtration, meet the water standard of high-end experimental ultra-pure water.
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