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Ultraviolet radiation water disinfecting device

A technology of ultraviolet radiation and disinfection device, applied in water/sewage treatment, illumination water/sewage treatment, water/sewage treatment equipment, etc., can solve the problems of shortened life, overheating of lamps, harmfulness, etc., and achieve the effect of reducing head loss

Inactive Publication Date: 2007-11-28
VEOLIA WATER SOLUTIONS & TECH SUPPORT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] At the same time, the upper lights in the next row along the direction of water flow may not always be submerged
Not submerging these lamps can be harmful as it causes the lamps to overheat and shortens their life considerably

Method used

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  • Ultraviolet radiation water disinfecting device
  • Ultraviolet radiation water disinfecting device
  • Ultraviolet radiation water disinfecting device

Examples

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Embodiment Construction

[0040] Referring to Fig. 1, a water disinfection device comprises a concrete channel 1 (or a channel made of any other material, such as stainless steel), said channel 1 being open at its top, and the water to be disinfected flows in it.

[0041] The water disinfection device according to the invention is installed in channel 1 in order to disinfect the water passing in this channel.

[0042] In the case of the present invention, this device 2 comprises a combination of six disinfection modules 3 arranged parallel to each other. Those skilled in the art customarily use the term "row" to designate such a combination of disinfection modules.

[0043] Each module consists of a beam 4 to which supports 5 (2 supports per beam) are attached, to which are attached two vertical series of members 6 forming lamps.

[0044] Within the scope of this non-limiting example, the length of each lamp is about 150 cm, while their power is 130 W UVC (wattage of short-wave ultraviolet UVC, where ...

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Abstract

The invention concerns an ultraviolet radiation water disinfecting device for an open channel (1) wherein the water to be disinfected flows along a direction D, the device comprising a plurality of longitudinal means (6) forming UV lamps each consisting of a UV lamp (6a), a protective sheath (6b) made of UV-transparent material and connectors arranged substantially longitudinally along the direction D and being distributed into a plurality of vertical modules (4), each module consisting of a beam (4) whereto are fixed at least two means forming vertical supports (5) housing at least one series of said means forming lamps (6) provided beneath said beam (4) one above the other. The invention is characterized in that said upstream support-forming means are mounted in accordance with n planes (N, N', N'') substantially perpendicular to said direction D, n being greater than 1.

Description

technical field [0001] The invention relates to the field of water treatment for purification and disinfection during drinking water treatment. [0002] More precisely, the invention relates to the disinfection of water in open channels by ultraviolet radiation. Background technique [0003] With this technique, the water to be sterilized passes through the upper part of an open channel inside which one or several rows of lamps are arranged, which apply ultraviolet radiation with a wavelength between 200nm and 300nm, usually 254nm, These rows of lamps are organized in vertical modules parallel to each other, each module includes one or several vertical series of UV (ultraviolet) lamps, which are protected by quartz housings arranged in channels of water to be disinfected. in the flow direction. [0004] These UV lamp rows are arranged in the channel such that all lamps are submerged in the water passing through the channel. Each module is held in place by a beam with supp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/32
CPCC02F2201/3227C02F2201/326C02F1/325
Inventor P·吉罗代
Owner VEOLIA WATER SOLUTIONS & TECH SUPPORT