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Compact water treatment unit

A technology of water treatment device and treatment liquid, which is applied in water/sewage treatment, water/sludge/sewage treatment, sedimentation treatment, etc. It can solve the problems of large volume and size, and achieve the effect of tightening particle size distribution

Active Publication Date: 2017-05-10
VEOLIA WATER SOLUTIONS & TECH SUPPORT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It is understandable that it is required to have different chambers (or at least zones) for mixing (with agitation) and for separation (pre-stationary, with as little turbulence as possible) or between the mixing zone and the decanting zone (for static set) between at least a transition area resulting in larger volume and size

Method used

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  • Compact water treatment unit
  • Compact water treatment unit
  • Compact water treatment unit

Examples

Experimental program
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Embodiment Construction

[0059] figure 1 Shown by way of example is a water treatment plant unit (hereinafter referred to simply as a reactor), denoted as a whole by the numeral 10, comprising a mixing tank 11 equipped with:

[0060] - inlet channel 12 for the liquid stream to be treated,

[0061] - inlet channels 13 for possible reactants,

[0062] - source of agitation 14 capable of causing turbulent agitation in a given volume of the tank,

[0063] - a discharge channel 15 allowing the discharge of the slurry separated in the plant unit,

[0064] - Discharge channel 16 for the treated liquid stream.

[0065] The inlet channels 12 and 13 are here separate and can be located anywhere in the tank (reserving the ability to arrange static zones - see below); as a variant, the injection of reactants can be carried out upstream, for example after guiding the flow of liquid to be treated in the pipeline. Furthermore it may not be necessary to introduce specific reactants (especially in the case of spo...

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Abstract

Water treatment plant comprising a mixing tank equipped with inlet channels 12 for the liquid stream to be treated, inlet channels 13 for possible reactants, able to induce turbulent agitation in a given volume of the tank A source of agitation 14, a discharge channel 15 allowing the discharge of the slurry, and a discharge channel 16 for the treated stream, in addition, above and adjacent to a given volume, but below the outlet channel for the treated stream, the water treatment The device comprises a static structure 17 consisting of a plurality of passage channels from bottom to top and configured as a baffle in such a way that no particle can pass through the layer along a rectilinear trajectory.

Description

technical field [0001] The invention relates to the field of water treatment, whether industrial water treatment (waste water and so-called process water), or municipal water treatment (waste water or drinking water) and is more particularly directed to particularly compact water treatment installations, in particular sedimentary water Processing device. Background technique [0002] Usually, the elimination of unwanted constituents in water is carried out partly by physicochemical treatment of insoluble salts (precipitation) and / or of suspended particles (coagulation, flocculation); for example, by softening or suspension Attenuation of substances and clear colloids Precipitation of calcium and / or magnesium salts during treatment results in a decrease in hardness. [0003] This type of treatment is usually started by a reaction step in a mixing tank, in which precipitation and / or coagulation and / or flocculation reactants are added; agitation devices (stirrers, static mixer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/52B01D21/00C02F1/00
CPCC02F1/52C02F2001/007B01D21/0069B01D21/0051B01D21/0057B01D21/0039B01D21/0042B01D21/0045C02F1/5281C02F5/06C02F2301/024
Inventor E·巴尔比耶A·热南
Owner VEOLIA WATER SOLUTIONS & TECH SUPPORT