Furnaces – Refuse incinerator – Rotary drum
Patent
1987-09-15
1988-06-21
Favors, Edward G.
Furnaces
Refuse incinerator
Rotary drum
110211, 110215, 110216, 110346, 110236, A47J 3600, A47J 3624
Patent
active
047518871
ABSTRACT:
A method and apparatus of treating oil field wastes and particularly spent drilling fluids which contain barite and hydrocarbons which includes placing the drilling fluids into the upper end of a downwardly directed rotating kiln. Fuel and pressurized air are inserted into a furnace connected to the upper end of the kiln for supplying a fire to the drilling fluids in the kiln for igniting and burning the hydrocarbons in the drilling fluids as fuel until the drilling fluid is dry. Entrained particulates in the gas stream leaving the kiln are separated in a cyclone separator. The gases leaving the cyclone separator are passed through a secondary combustion unit to assure complete combustion of pyrolized carbonaceous residuals in the gas stream. The gases are then cooled in a heat exchanger and sent to a hydrosonic scrubber which removes the remaining particulates as well as oxides of sulfur. The gases are transported to a vent stack by use of a suction blower which produces the gas flow in the gas handling separation system. The liquids used in the hydrosonic scrubber are processed through a filter system to remove any particulates entrained therein. The solids dropping from the lower end of the kiln are environmentally stable and are then usable as landfill or road bed fill materials.
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Seedall Larry K.
Terry Edwin G. B.
Environmental Pyrogenics Services, Inc.
Favors Edward G.
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