The Preparation Transportation And Combustion of Powdered Coal
The Preparation Transportation And Combustion of Powdered Coal
Canada Mines Branch
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Number and kind of boilers. . . Five Edgemoor water tube boilers '" 2. Kind of furnaces Pulverized fuel burning furnaces 3. Volume of combustion space, per boiler cubic feet 1, 678 4. Water heating- surface, sq. Ft. , per boiler 4, 680 5. Superheating surface, sq. Ft. , per boiler (approximate) 594 (a) Type of superheater Poster 6. Total heating surface, sq. Feet. , per boiler 5, 274 (a) Ratio of water heating surface to volume of combustion space 1 to 0359 (b) Ratio of total heating surface to... volume of combustion space 1 to 0318 Date, Duration, etc. 7- Date Nov. 11-15, 1919 8. Duration, hours 99 (o) Boiler hours 495 9. Kind and size of coal Mixture 50 per cent Youghiogheny screenings, 50 per cent Eastern Kentucky screenings. 10. Steam pressure by gauge, Ib. Per sq. In 167-8 (o) Barometric pressure, inches of mercury 29-49 11. Steam pressure, absolute, Ib. Per sq. In . . 1823 12. Temperature of steam leaving superheaters, Deg. F 441-9 (a) Normal temperature saturated steam at above pressure Dfi *- P 374-2 87 13.
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