Mixing device intended to be placed in a fluid treatment and / or storage tank, installation and associated process

The brewing device with a central channel and lateral fluid evacuation outlet addresses the limitations of existing devices by enhancing fluid mixing and circulation, achieving effective brewing while optimizing tank volume usage.

FR3154627A1Pending Publication Date: 2025-05-02SUEZ INTERNATIONAL
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Patent Information

Application Number
FR2023011672
Authority / Receiving Office
FR · FR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-10-26
Publication Date
2025-05-02

AI Technical Summary

Technical Problem

Existing brewing devices for fluid treatment tanks have limited radius of action, leading to dead areas in the tank and the need for multiple devices, which increases manufacturing costs and reduces available volume.

Method used

A brewing device with a tube having a central vertical longitudinal axis channel and at least one lateral output for fluid evacuation, where the central channel leads to the lateral outlet positioned above the gas bubble injection system, enhancing fluid mixing and circulation.

Benefits of technology

The device achieves effective brewing of the fluid, reducing temperature and concentration differences, and maximizing contact between microorganisms and organic matter, while minimizing the size within the tank's interior volume.

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Abstract

A mixing device intended to be placed in a fluid treatment and / or storage tank, and associated installation and process. The mixing device (10) comprises a tube (50) having a central channel (52) with a vertical longitudinal axis (A-A'), the central channel (52) opening upstream by a lower inlet (60) for the suction of the fluid (14). It includes a system (56) for the successive injection of gas bubbles (54) into the central channel (52), located above the lower inlet (60). The tube (50) has at least one lateral outlet (58) for the discharge of fluid, the central channel (52) opening through the lateral outlet(s) (58), the lateral outlet(s) (58) being located above the system (56) for the successive injection of gas bubbles (54). (See Figure 1 for abbreviations.)
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Citation Information

Patent Citations

  • Agitation of vessels using air lift pump - having gas bell above recirculation tube to reuse gas for pumping forward

    DE2421935A1

  • mixing device for muddy liquids

    DE539678A

  • Desulfurization of biogas product in urban, agricultural and / or industrial effluent digester, comprises performing non-localized diffused injection of oxidants, gas / liquids in digestates for reducing formation of hydrogen sulfide

    FR2956657A1

  • Vortex purification apparatus

    KR101562165B1

  • Liquid circulating device

    US4293506A