Capacitive saline water desalting device and application thereof

Through the capacitive brine desalination device, the problems of high energy consumption, low efficiency and secondary pollution in the prior art are solved, and efficient desalination and high efficiency desalination and high efficiency desalination and Recycling and utilization of charging electricity.

CN119461594AActive Publication Date: 2025-02-18CHINA ENERGY LONGYUAN ENVIRONMENTAL PROTECTION CO LTD +1
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Patent Information

Application Number
CN202411299113.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-02-18
Estimated Expiration
2044-09-18

AI Technical Summary

Technical Problem

The prior art has problems such as high energy consumption, low treatment efficiency, secondary pollution risk, complex equipment and high maintenance costs when treating high brine, seawater and industrial wastewater.

Method used

A capacitive brine desalination device is provided, the device including a water tank, a charging power source, a driving motor and several electrode modules. By driving the rotation of the motor, the electrode module forms an electric field during the charging and discharging process, which realizes the separation of water molecules and soluble ions, and alternates between charging adsorption and discharge desorption, so as to realize the desalination of concentrated salt water and the recovery of charged electric energy. use.

Benefits of technology

It achieves efficient desalination of concentrated brine, reduces energy consumption, avoids secondary pollution, and has relatively simple equipment structure and low maintenance cost.

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Abstract

The invention relates to the technical field of saline water desalination, in particular to a capacitive saline water desalination device and application thereof, the desalination device comprises a water tank, a charging power supply, a driving motor and a plurality of electrode modules; each electrode module comprises a circular ring pole piece, a charging electric brush and a discharging electric brush, a plurality of connecting rods are arranged between an inner ring and an outer ring of the circular ring pole piece, electrode plates arranged in pairs are installed in a cavity defined by the inner ring, the outer ring and every two adjacent connecting rods, and the electrode modules are installed on a rotating shaft of the driving motor at intervals through the inner rings of the electrode modules; the charging electric brush and the discharging electric brush are arranged along the two sides of the portion, below the water level of the water tank, of the inner ring and rotationally connected with the electrode slices, the charging electric brush is connected with a charging power source, the discharging electric brush is connected with the driving motor, a fresh water outlet is formed in the charging electric brush side of the water tank, and a concentrated water outlet is formed in the discharging electric brush side. When the desalting device is applied in practical application, the strong brine can be effectively desalted, and the charging electric energy can be recycled.
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Citation Information

Patent Citations

  • Seawater electric desalting apparatus and method

    CN101481159A

  • Multi-cavity electro-adsorption desalination technology and device achieving continuous desalted produced water

    CN105753114A

  • Large-scale open-type cyclic desalination and energy storage device based on salt fishing method

    CN110734171A

  • Energy storage-power generation-saline water desalination integrated device

    CN115133182A

  • Fully automatic and energy-efficient capacitive deionizer

    EP1348670A1