 For coal drying, as for the drying of raw materials, the rotary drier seems best adapted to American conditions. It should be said, however, that in drying coal it is usually considered inadvisable to allow the products of combustion to pass through the...  The Materials and Manufacture of Portland Cement - Page 55by Edwin Clarence Eckel - 1904 - 93 pagesFull view - About this book
 | Cement - 1903 - 534 pages
...drying of raw materials, the rotan- dryer seems best adapted to American conditions. It ¡•houkl be said, however, that in drying coal it is usually considered inadvisable to allow the prodticts of combustion to pass through the cylinder in which the coal is being dried. This restriction... | |
 | Municipal engineering - 1904 - 574 pages
...Usually It will run from 3 to 8 per cent. To secure good results from the crushing machinery It 1* necessary that this water should be driven off. For...8 pounds of water per pound of fuel coal can still 1» counted on with any good dryer. The fuel cost of dryIng coal containing 8 per cent, of moisture,... | |
 | United States - 1904 - 1040 pages
...this water must be driven off. For coal drying, as for the drying of raw materials, the rotary drier seems best adapted to American conditions. It should...serves to decrease slightly the possible economy of the drier, but an evaporation of (Î to 8 pounds of water per pound of fuel coal can still be counted on... | |
 | George Ferdinand Becker - Schistosity - 1904 - 732 pages
...this water must be driven off. For coal drying, as for the drying of raw materials, the rotary drier seems best adapted to American conditions. It should...serves to decrease slightly the possible economy of the drier, hut an evaporation of •', to 8 pounds of water per pound of fuel coal can still be counted... | |
 | Geology - 1904 - 768 pages
...drying of raw materials, the rotary drier seems best adapted to American conditions. It should l>e said, however, that in drying coal it is usually considered...serves to decrease slightly the possible economy of the drier, but an evaporation of 0 to 8 pounds of water per pound of fuel coal can still be counted on... | |
 | Geology - 1905 - 602 pages
...and Pennsylvania coals used at present at various cement plants in Michigan. ANALYSES OF KILN COALS. The coal as usually bought is either " slack " or...possible economy of the dryer, but an evaporation of six to eight pounds of water per pound of fuel coal can still be counted on with any good dryer. The... | |
 | Geological Survey (U.S.) - Geology - 1905 - 462 pages
...drying of raw materials, the rotary drier seems best adapted to American conditions. It should lie said, however, that in drying coal it is usually considered...serves to decrease slightly the possible economy of the drier, but an evaporation of 0 to 8 pounds of water per pound of fuel coal can still be counted on... | |
 | Edwin Clarence Eckel - Cement - 1905 - 800 pages
...these driers are discussed on pp.400 and 649. It should be said, however, that in drying coal it is. inadvisable to allow the products of combustion to...serves to decrease slightly the possible economy of the drier, but an evaporation of 6 to 8 pounds of water per pound of fuel coal can still be counted on... | |
 | Heinrich Ries - Clay - 1906 - 690 pages
...this water must be driven off. For coal drying, as for the drying of raw materials, the rotary drier seems best adapted to American conditions. It should...serves to decrease slightly the possible economy of the drier, but an evaporation of 6 to 8 pounds of water per pound of fuel coal can still be counted on... | |
 | Iowa Geological Survey - Geology - 1907 - 672 pages
...41 6.36 2.08 1.30 56.33 35 26 7 OH 1.35 1.34 55.82 39 37 3 81 0.42 1 00 51 69 39 52 6 13 1 40 1.46 adapted to American conditions. It should be said,...possible economy of the dryer, but an evaporation of six to eight pounds of water per pound of fuel coal oan still be counted on with any good dryer. The... | |
| |
