Distillation: processes – thermolytic – Using a carbonization product as indirect heat source – For heating the carbonaceous material
Patent
1977-04-18
1978-11-07
Wolk, Morris O.
Distillation: processes, thermolytic
Using a carbonization product as indirect heat source
For heating the carbonaceous material
201 27, 202 93, C10B 900
Patent
active
041244508
ABSTRACT:
An increased coking rate of a coal charge in a non-recovery coke oven is achieved without polluting emissions by decreasing the supply of primary air fed into the coke oven chamber throughout the coking period while controlling the amount of heated secondary air for combustion of the effluent in downcomers to maintain the temperature therein between 1200.degree. F and 2400.degree. F and to maintain a temperature in the range of 1800.degree. F to 2700.degree. F in heating flues by further combustion of the effluent discharged thereto from the downcomers. Coking proceeds from the top, bottom and sides of the coal charge. The effluent from the sole heating flue is incinerated within a checker-filled ignition chamber maintained at a temperature of at least 1600.degree. F. The incinerated gases are drawn into a stack at a negative draft pressure of between 0.15 and 0.17 inch water gage.
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patent: 4045299 (1977-08-01), MacDonald
Murray Thomas H.
Pennsylvania Coke Technology, Inc.
Poff Clifford A.
Turk Arnold
Wolk Morris O.
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