A wastewater treatment device based on tubular membrane

By designing a wastewater treatment device including an outer pipe, a tubular membrane body, a water inlet pipe, a water outlet pipe, a connecting pipe and a driving component, the problem of drop in membrane flux and an increase in filtration resistance in the prior art is solved, and efficient wastewater treatment and the extension of the membrane service life are achieved.

CN119409284BActive Publication Date: 2025-03-21HEFEI KERUITE ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Application Number
CN202510014166.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-03-21
Estimated Expiration
2045-01-06

AI Technical Summary

Technical Problem

When existing wastewater treatment devices based on tube membranes treat complex component wastewater, the membrane flux decreases and the filtration resistance increases, which affects the treatment efficiency and membrane service life.

Method used

A wastewater treatment device including an outer pipe, a tubular membrane body, a water inlet pipe, a water outlet pipe, a connecting pipe and a driving assembly is designed. By working in concert with the driving component and the closed component, the piston movement is controlled to generate negative pressure, and the wastewater filtration is accelerated by using the transmembrane pressure difference, and dynamic cleaning is achieved by agitating the blades, extending the membrane service life.

Benefits of technology

It improves the efficiency of wastewater treatment, extends the service life of the tubular membrane body, ensures that the treated water quality meets high standards, is suitable for a variety of water needs, and helps the recycling of water resources.

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Abstract

The present invention discloses a wastewater treatment device based on a tubular membrane, which belongs to the technical field of wastewater treatment, and comprises an outer tube and a tubular membrane body located inside the outer tube, wherein the surface of the outer tube is respectively provided with an inlet pipe and an outlet pipe, an end cap is provided at one end of the outer tube, one end of the tubular membrane body is fixedly connected to the end cap, and a fixing ring for sleeve connection of the other end of the tubular membrane body is provided inside the outer tube. The beneficial effects of the present invention are as follows: through the coordinated work of the driving component and the closing component, under the cooperation of the screw rod and the threaded barrel, the connecting pipe will be closed during the movement of the control piston, and the movement of the piston causes the cavity of the connecting pipe close to the outer tube side to generate negative pressure, thereby utilizing the trans-membrane pressure difference to accelerate the filtration process of the wastewater in the tubular membrane body, improve the wastewater treatment efficiency, and at the same time avoid damage to the membrane due to excessive pressure difference, thereby extending the service life of the tubular membrane body.
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