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CHAIRMAN'S ADDRESS - Coke Oven Managers Association

CHAIRMAN'S ADDRESS - Coke Oven Managers Association

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SIMPLEX COKE OVENS : THEIR HISTORY ([Part 2) - EDWARDS 73In the name of Charles A. BaglinBrit. Pat. 7,448 of 1903. Improvements in coke ovens. In coke ovens of theCoppée type, the fuel gas distribution duct is arranged inside the airdistribution duct, with conical openings at the top to allow the gas to mix withthe air before passing to the combustion flues. [Abstract taken from Journal ofthe Society of Chemical Industry.]Brit. Pat. 9,405 of 1909. [Heating vertical-flue coke ovens]. Eachcombustion flue has only one inlet for air and gas. The air is divided into twostreams, one each side of the gas duct, the three streams uniting at the flueinlet.Brit. Pat. 217,454 of 1923. Improvements in regenerative coke ovens. Asystem to obtain uniform heating of taller ovens has vertical flues in pairsjoined at the top, one of each pair being supplied with fuel gas at the bottomand the other at the top. Combustion takes place in both flues during onereversal period, with gas admitted at top and bottom; in the next period, gas isadmitted only at the top, so that combustion occurs only in one flue of the pair.Brit. Pat. 318,448 of 1928. Improvements in coke ovens. To lengthen theflame in vertical heating flues, combustion products are recycled from thedescending flue through a number of ducts of small cross-section at a pointbelow the start of combustion, to ensure intimate mixing better than with asingle wide opening.References(References in Part 1 that are cited again in Part 2 are repeated below.)1. D.G. Edwards, A Historical Gazetteer and Bibliography of By-product Coking Plants inthe UK, Merton Priory Press, Cardiff, 20013. Iron Coal Trades Rev., vol. 80, 13 May 1910, 76933. W.B.M. Jackson, Trans. Fed. Inst. Mining Engineers, vol. 33, 1906–7, 386–9745. C.O.M.A. Year-Book, lists of by-product coking plants each year54. Gas World, Coking Sect., 6 Sep. 1913, 15–1755. Engineering, vol. 85, 1 May 1908, 571, 573–6, 586 + Plate XL56. Iron Coal Trades Rev., vol. 79, 19 Nov. 1909, 816–17

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