File:Transactions (1871) (14581284740).jpg

Identifier: transactionsmining35amer (find matches)
Title: Transactions
Year: 1871 (1870s)
Authors: American Institute of Mining, Metallurgical, and Petroleum Engineers
Subjects: Mineral industries
Publisher: New York (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
-13 6 Top of Furnace No. 2. Second Campaign. Fig. 8.
Text Appearing After Image:
Top of Furnace No. 3. Second Campaign. STOCK-DISTRIBUTION AND BLAST-FURNACE LIN) 255 of the elliptical hopper was extended into the cylinder, thusnarrowing the opening to :>>..> ft., ao ae to throw all of the material to the center of this cylinder, and in the Bizing, which mustinevitably take place, to leave the fines in the center and thelumps next to the Bell of the cylinder. rl his furnace baa nowbeen in blast Is months and has not shown any unusual beat-ing at the shell.The breakage of the coke continues and cannot be remedied ■ with such a filling-system, but enough has been done to showthat with washed coal well coked, a fairly uniform furnace-practice can be maintained with only the normal destruction oftuyeres. Unquestionably, the excessive breakage of the fuelvery materially lowers it- practical calorific efficiency in theblast-furnace. This efficiency is in inverse proportion to thebreakage, for, other conditions being equal, the amount of car-bon absorbed by t

Note About Images