A backflushing device for a marine seawater desalination plant

By designing the coordination between the drive rod and the water outlet, and combining the meshing of the active and driven bevel gears, the problem of pressure reduction caused by liquid splashing in seawater desalination equipment was solved, achieving efficient cleaning of the filter ring and improved sealing.

CN224474764UActive Publication Date: 2026-07-10SHANGHAI FENGJI HARDWARE MOULD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI FENGJI HARDWARE MOULD CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In existing seawater desalination equipment, the liquid entering the filter cartridge tends to splash around, causing a drop in liquid pressure and reducing the rinsing effect.

Method used

A backflushing device for marine seawater desalination equipment was designed. Through the cooperation of a drive rod and multiple water outlets, the filter ring can be easily cleaned. The drive rod is rotated by the meshing of the active bevel gear and the driven bevel gear to improve the flushing efficiency. At the same time, the sealing and fixation are improved by the limiting component and the sealing structure.

Benefits of technology

It improves the cleaning effect and sealing performance of the filter ring, enhances the flushing efficiency and sealing performance of the equipment, and ensures the stability of liquid pressure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224474764U_ABST
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Abstract

This utility model relates to a backflushing device for marine seawater desalination equipment, belonging to the technical field of marine seawater desalination equipment. It includes a filter chamber with a sealing plate placed on its bottom surface and an installation chamber fixedly connected to its top surface. Filter rings are placed inside the filter chamber. A drain pipe, penetrating the filter chamber and extending into its interior, is fixedly connected to the left side of the filter chamber. A conveying pipe, penetrating the sealing plate and extending to its bottom, is fixedly connected to the top surface of the sealing plate. The installation chamber is equipped with a cleaning assembly for cleaning the filter rings. This backflushing device for marine seawater desalination equipment, through the action of a drive rod and multiple water outlets, conveniently cleans the filter rings, improving the rinsing effect. Furthermore, the meshing between the active and driven bevel gears drives the drive rod to rotate, improving rinsing efficiency. Simultaneously, the engagement between the positioning plate and the positioning groove conveniently restricts the sealing plate.
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