Distillation: apparatus – Apparatus – Systems
Patent
1975-06-02
1976-12-07
Wolk, Morris O.
Distillation: apparatus
Apparatus
Systems
202142, 202143, 202144, C10B 512, C10B 514, C10B 2106, C10B 2110
Patent
active
039961095
ABSTRACT:
Regenerative heating of a coke oven battery includes the combustion of lean gas and air in heating chambers disposed between the coking chambers or, alternatively, if desired, the combustion of rich gas and air in the heating chambers. Each heating chamber includes a plurality of header walls forming upgoing and downgoing heating flues. Each header wall includes at least one internal duct in open communication with a plurality of vertically-spaced exit ports at the common side of a header wall. The internal ducts receive either preheated air or preheated lean gas for combustion in a heating flue. The cross-sectional size of the exit ports to discharge air in a given heating flue increases upwardly from port to port along the header wall whereby the amount of air supplied at the sole and lower part of the heating flue is insufficient for complete combustion of the amount of lean gas supplied thereto. The cross-sectional sizes of the plurality of exit ports for lean gas in the same heating flue decrease upwardly from port-to-port along the header wall such that the amounts of air and lean gas supplied to the heating flue are sufficient for complete combustion of the smoke gas discharged from the heating flue. In one embodiment, each header wall includes two internal ducts with the discharge ports thereof in open communication with different heating flues. In a further embodiment, each header wall includes a single internal duct having exit ports at opposite sides. Combustion takes place in all the heating flues which are upgoing and located at one side of the oven chamber. A top duct interconnects all the upgoing flues with downgoing heating flues located at the other side of the oven chamber during a regenerative half-cycle.
REFERENCES:
patent: 1891700 (1932-12-01), Wessel
patent: 1967975 (1934-07-01), Schaefer
patent: 3054728 (1962-09-01), Schmidt et al.
patent: 3170851 (1965-02-01), Van Ackeren
patent: 3183175 (1965-05-01), Brettbach et al.
patent: 3366372 (1968-01-01), Palumbo
patent: 3801470 (1974-04-01), Knappstein et al.
Dr. C. Otto & Comp. G.m.b.H.
Garris Bradley
Wolk Morris O.
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