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Device for on-line light radiation in gas-containing liquid

  • US 20080023411A1
  • Filed: 07/28/2006
  • Published: 01/31/2008
  • Est. Priority Date: 07/28/2006
  • Status: Active Grant
First Claim
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1. A device for on-line light radiation in gas-containing liquid comprising:

  • a gas-liquid mixer comprising;

    a liquid inlet through which a liquid is introduced in;

    a gas inlet through which a gas is sucked in and mixes with said liquid such that at least part of said gas is dissolved in said liquid to produce a gas-liquid mixture; and

    a gas-liquid outlet through which said gas-liquid mixture flows out;

    a gas-liquid separator comprising;

    a conduit provided inside said gas-liquid separator with a lower end thereof connected to said gas-liquid outlet of said gas-liquid mixer and an upper end thereof extending to near a top of said gas-liquid separator, a top of said upper end being sealed and multiple pores being formed near said top of said upper end;

    an outlet disposed near a bottom of said gas-liquid separator; and

    a gas-release valve disposed near said top of said gas-liquid separator;

    multiple lamps disposed coaxially inside protective sheaths transparent to light respectively, said protective sheaths being disposed inside said gas-liquid separator, placed around and generally parallel to said conduit, and fixed on said bottom of said gas-liquid separator; and

    a washing assembly for removing accretions on said protective sheaths, said washing assembly comprising;

    at least one holder having plural through holes and a center hole allowing said conduit of gas-liquid separator to pass through, each of said plural through holes having a scraper mechanism therein for scraping said accretions on each of said protective sheaths, through said scraper mechanism, each of said protective sheaths passing through; and

    means for driving said at least one holder to move axially along said protective sheaths;

    wherein said gas-liquid mixture together with an un-dissolved gas are drawn into said conduit of said gas-liquid separator from said gas-liquid outlet of said gas-liquid mixer and said gas-liquid mixture is sprayed against an inner wall of said gas-liquid separator through said multiple pores of said upper end of said conduit where said un-dissolved gas is separated from said gas-liquid mixture and remains near said top of said gas-liquid separator and creates a partial pressure of gas, which is adjustable by said gas-release valve of said gas-liquid separator while said gas-liquid mixture flows downwardly and is radiated by said multiple lamps and then flows out from said outlet of said gas-liquid separator.

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