. American engineer and railroad journal . Coopcaa Coupe a r Cuijpf. BELLEVILLE BOILER WITH G\S FURNACES. St. Denis there are two groups, each composed of fourBelleville boilers of 100 These boilers were formerlyfired with Ansin coal, the cost of which was 20 francs perton. In a day of 11 hours each boiler used 2,600 kgs. ofcoal, including firing up, and producing 23,000 kgs. ofsteam at a pressure of 10 kgs., thii, steam being used onlyat a pressure of 5 kgs., the pressure being brought downby reducing valves. Each kilogramme of coal produces 23,000 —7— = kgs. of steam, and the
. American engineer and railroad journal . Coopcaa Coupe a r Cuijpf. BELLEVILLE BOILER WITH G\S FURNACES. St. Denis there are two groups, each composed of fourBelleville boilers of 100 These boilers were formerlyfired with Ansin coal, the cost of which was 20 francs perton. In a day of 11 hours each boiler used 2,600 kgs. ofcoal, including firing up, and producing 23,000 kgs. ofsteam at a pressure of 10 kgs., thii, steam being used onlyat a pressure of 5 kgs., the pressure being brought downby reducing valves. Each kilogramme of coal produces 23,000 —7— = kgs. of steam, and the cost of 1,000 kgs. of 2,600 X 20 steam was therefore = irancs. 23,000 An attempt was made to use gas-coke with the object ofreplacing the coal. This coke contained 10 per cent, ofwater and 10 per cent, of cinders, leaving 80 per cent, ofcombustible matter. It was in large pieces, generally freefrom dust, and its price was only 17 francs a ton, deliv-ered in the boiler-room. It was found that this cokeobliged (he firemen to charge and clean their fires aboutthr
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
