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ANTI-SMOG DEVICE - FILTRATION MECHANISM

  • US 3,803,812 A
  • Filed: 10/05/1972
  • Issued: 04/16/1974
  • Est. Priority Date: 10/05/1972
  • Status: Expired due to Term
First Claim
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1. An anti-smog filtration system for use with a burning device having an exhaust stack with outlet;

  • a first tank containing a chemical and water solution at a predetermined level and having a first chamber thereabove;

    an exhaust conduit at one end connected to said stack outlet and at its other end having a delivery outlet projected into said tank adjacent the bottom thereof;

    a suction blower interposed in said conduit;

    a first manifold header in said tank connected to said delivery outlet;

    a series of parallel spaced longitudinally perforated pipes joined to and projecting from said header and closed at their outer ends, for the uniform delivery of exhaust gases into and throughout the bottom area of said tank;

    a gas recirculation pipe at one end projected through said tank wall and into said first chamber, and at its other end having a delivery outlet projected into said tank;

    a suction blower interposed in said recirculation pipe;

    a second manifold header in said tank adjacent and above the first manifold header and connected to the delivery outlet of said gas recirculation pipe;

    a series of parallel spaced longitudinally perforated pipes joined to and projecting from said second manifold header and closed at their outer ends for uniform delivery of recirculated exhaust gases into and throughout the bottom area of said tank; and

    exhaust transfer pipes on said tank communicating with said first chamber remote from said gas recirculation pipe for delivering exhaust gas therefrom;

    a filtration tank spaced from said first tank and including a series of removable filters and having a drain;

    a dirty fluid delivery pipe inletting at the bottom of said first tank and outletting in said filtration tank; and

    a pump interposed in said latter pipe;

    a fresh solution tank spaced from said first tank;

    a delivery pipe between said solution tank and said first tank; and

    a pump interposed in said latter delivery pipe for replenishing the solution in said first tank.

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