. The manufacture of pulp and paper : a textbook of modern pulp and paper mill practice. perator) that it is all converted to black ash; at fullcapacity this makes 15-20 tons of soda ash for each rotary furnace. 101. The Rotary Furnace.—The furnace in which the blackash is burned is a steel cylinder b, Fig. 18, adapted from Suter-meister. In many of the early furnaces, the length of the cylinderwas 15-20 feet, but furnaces as long as 30 feet, have been usedin modern practice; the diameter is from 9 to 10 feet, and thecylinder is lined with red brick. The furnace has heavy rings(tires) c rivete
. The manufacture of pulp and paper : a textbook of modern pulp and paper mill practice. perator) that it is all converted to black ash; at fullcapacity this makes 15-20 tons of soda ash for each rotary furnace. 101. The Rotary Furnace.—The furnace in which the blackash is burned is a steel cylinder b, Fig. 18, adapted from Suter-meister. In many of the early furnaces, the length of the cylinderwas 15-20 feet, but furnaces as long as 30 feet, have been usedin modern practice; the diameter is from 9 to 10 feet, and thecylinder is lined with red brick. The furnace has heavy rings(tires) c riveted around it, which roll upon wheels d that havechilled cast-iron rims. A small engine m or other source of poweris used to turn the furnace by means of gearing or a link large gear e is fastened to the shell in sections, and this mesheswith a pinion that is connected to the source of power. Insome cases, the chilled wheels transmit the motion to the fur-nace by friction. A cross section on line AB is shown in view (a). WASHING PULP AND RECLAIMING CHEMICALS 59 mAmm wSwsffiffi.
Size: 1137px × 2197px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectpaperma, bookyear1921
