Electrical precipitator apparatus of the liquid spray type

• US 3,331,192 A
• Filed: 03/30/1966
• Issued: 07/18/1967
• Est. Priority Date: 10/14/1963
• Status: Expired due to Term

• Current Assignee: Floyd V. Peterson
• Original Assignee: Floyd V. Peterson
• Inventors: Peterson, Floyd V.
• Application Number:
  US04/538,845
• Time in Patent Office: 475 Days
• US Class Current: 96/27
• CPC Class Codes: B03C 3/16 wet type

Claims

1. AN ELECTRIC PRECIPITATOR OF THE LIQUID SPRAY TYPE FOR REMOVING FOREGIN PARTICLES FROM GAS, WHICH INCLUDES A CHAMBER HAVING INPUT AND OUTPUT PORTS AND INNER AND OUTER WALLS WITH AT LEAST SAID INNER WALL BEING MADE OF CONDUCTIVE MATERIAL, MEANS TO CAUSE SAID GAS TO FLOW THROUGH SAID CHAMBER FROM SAID INPUT TO SAID OUTPUT PORT, MEANS ASSOCIATED WITH SAID INPUT PORT FOR CHARGING SAID FOREIGN PARTICLES IN SAID GAS, MEANS FOR GENERATING A SPRAY OF RELATIVELY FINE PARTICLES OF LIQUID AND CAUSING SAID SPRAY TO CO-MINGLE WITH SAID GAS IN SAID CHAMBER, MEANS ASSOCIATED WITH SAID SPRAY MEANS FOR CHARGING SAID PARTICLES OF LIQUID IN OPPOSITE POLARITY AS COMPARED TO THE CHARGE OF SAID FOREIGN PARTICLES IN SAID GAS, ELECTRICAL INSULATING MEANS BETWEEN SAID INNER AND OUTER CHAMBER WALLS, AND MEANS ASSOCIATED WITH SAID OUTPUT PORT FOR CONDENSING AND PRECIPITATING THE CO-MINGLED MIXTURE OF SAID SPRAY LIQUID AND SAID FOREIGN PARTICLES AND FOR REMOVING SAID MIXTURE FROM SAID CHAMBER, COMPRISING THE COMBINATION OF:

MEANS FOR LOCATING SAID MEANS FOR GENERATING AND CHARGING SAID SPRAY LIQUID PARTICLES WITHIN THE AIR PATH THROUGH SAID CHAMBER, WHEREBY THE GAS FLOW SPACE IS DEFINED BETWEEN SAID LIQUID PARTICLE GENERATING SAID CHARGING MEANS, SAID LIQUID PARTICLE GENERATING AND CHARGING MEANS TAKING THE FORM OF A HOLLOW CONDUCTIVE SHELL SUBSTANTIALLY CLOSED ON THE END FACING SAID INPUT PORT AND SUBSTANTIALLY OPEN TOWARD SAID OUTPUT PORT, SAID CONDUCTIVE SHELL BEING FURTHER FULLY COVERED BY A COATING OF ELECTRICAL INSULATIONS;

AND MEANS FOR APPLYING AN ELECTRICAL BIAS TO SAID INNER WALL OF SAID CHAMBER INDEPENDENTLY OF THE POTENTIALS OF SAID OUTER WALL OF AND SAID CONDUCTIVE SHELL OF SAID LIQUID PARTICLE GENERATING AND CHARGING MEANS.