Furnaces – Refuse incinerator – For liquid refuse
Patent
1982-02-19
1984-10-09
Favors, Edward G.
Furnaces
Refuse incinerator
For liquid refuse
110347, 431283, F23G 704
Patent
active
044754663
ABSTRACT:
Disclosed is a liquid waste combustion system having a burner comprising a combustion chamber and first, second and third spaced apart injectors positioned outside of the combustion chamber and arranged so as to inject separate unconfined streams of first, second and third waste liquids into the combustion chamber, the axes of the waste streams defining a substantially conical surface converging at an apex within the combustion chamber and the waste streams mixing in the area of this apex. The first waste liquid has a BTU value below that required for combustion, the second waste liquid has a BTU value at least high enough to support combustion, and the third waste liquid has a BTU value significantly greater than that of the second liquid such that the waste mixture is combustible. Means are provided for supplying combustion-supporting gas to the combustion chamber and for igniting the waste mixture within the combustion chamber. Means may also be provided for controlling relative to each other the rates of injecting the first and third waste liquids and this control means may be responsive to one or more characteristics of the combustion products and/or combustion conditions, such as combustion temperature. Retention means may be provided for maintaining combustion product temperature above at least about 2,000.degree. F. for at least about 2 seconds and may include a rotary kiln and downstream retention chamber in communication with the combustion chamber.
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Favors Edward G.
Pyrochem, Inc.
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