Studies of Blast Furnace Phenomena |
From inside the book
Results 1-5 of 34
Page xiv
... charged into the furnace and consumed there , or supplied from without as caloric in the heated blast . Again , it is only when furnaces are working with the same , or nearly the same , charges of ore , flux , and fuel , i . e . , same ...
... charged into the furnace and consumed there , or supplied from without as caloric in the heated blast . Again , it is only when furnaces are working with the same , or nearly the same , charges of ore , flux , and fuel , i . e . , same ...
Page 22
... charges requires 60 to 70 hours in the large furnaces , and only 20 to 40 hours in the small ones . This extreme slowness . in the descent of the charges may , in a certain point of view , have advantages . Variations in the raw ...
... charges requires 60 to 70 hours in the large furnaces , and only 20 to 40 hours in the small ones . This extreme slowness . in the descent of the charges may , in a certain point of view , have advantages . Variations in the raw ...
Page 23
... charges is slow ? In short , is the consumption necessarily so much the less as their dimensions are large , and the descent of the charges slow ? The figures above tabulated answer this question to a certain extent . Previously to 1860 ...
... charges is slow ? In short , is the consumption necessarily so much the less as their dimensions are large , and the descent of the charges slow ? The figures above tabulated answer this question to a certain extent . Previously to 1860 ...
Page 24
... charges descend rarely with a greater speed than 20 inches per hour , whilst the gases pass upwards with a velocity of 20 inches per second . Further , the mass of air blown into the furnace is generally greater than that of the solid ...
... charges descend rarely with a greater speed than 20 inches per hour , whilst the gases pass upwards with a velocity of 20 inches per second . Further , the mass of air blown into the furnace is generally greater than that of the solid ...
Page 28
... charges will pass through the furnace without other alteration than a gradual heating , and this carbon will be finally burned to CO under the action of the blast of the twyres . To realize this ideal working , or at least come as near ...
... charges will pass through the furnace without other alteration than a gradual heating , and this carbon will be finally burned to CO under the action of the blast of the twyres . To realize this ideal working , or at least come as near ...
Other editions - View all
Common terms and phrases
acid analysis Bell's blast furnace calcined calculate caloric absorbed caloric carried caloric developed Caloric due caloric of combustion caloric produced cals carbon burned carbonic oxide charges chemical Cleveland CO² coke consumed composition Consett cubic feet capacity decomposition determine difference dissociation dry air Ebelmen economy elements Engineer escaping gases experiments flux formulas furnaces of Cleveland fusion of slags given gives Gruner hence hot blast Illustrated increase Iron and Steel iron yielded large furnace less lime limestone metallic iron Metallurgy nitrogen oxide of iron oxygen peroxide pig yielded pig-iron Pouzin Practical proportion pyrometer quantities of caloric ratio reaction Schinz sensible heat silicium slags small furnace solid carbon specific heat Steel Institute superheated superheated blast Tables takes place temperature of blast tion tons Total carbon transformed Treatise tube tunnel-head twyres upper regions volume weight of blast Weight of dry Weight of moist zone of reduction
Popular passages
Page 187 - A Treatise on the Metallurgy of Iron : Containing Outlines of the History of Iron Manufacture, Methods of Assay, and Analysis of Iron Ores, Processes of Manufacture of Iron and Steel, etc., etc.
Page 13 - Gauge in decimals ; the Weight per foot, and the Thickness on the Bar or Wire Gauge of the fractional parts of an inch ; the Weight per sheet, and the Thickness on the Wire Gauge of Sheet-iron of various dimensions to weigh 112 Ibs. per bundle; and the conversion of Short Weight into Long Weight, and Long Weight into Short. Estimated and collected by GH PERKINS and JG STOWE $2.50 PHILLIPS and DARLINGTON.— Records of Mining and Metallurgy ; Or Facts and Memoranda for the use of the Mine Agent and...
Page 16 - TAYLOR.— Statistics of Coal : Including Mineral Bituminous Substances employed in Arts and Manufactures; with their Geographical, Geological, and Commercial Distribution and Amount of Production and Consumption on the American Continent. With Incidental Statistics of the Iron Manufacture. By RC TAYLOR. Second edition, revised by SS HALDEMAN. Illustrated by five Maps and many wood engravings. 8vo., cloth $10.00 TEMPLETON.
Page 188 - Encyclopaedia of Chemistry, Practical and Theoretical : Embracing its application to the Arts, Metallurgy, Mineralogy, Geology, Medicine and Pharmacy. , By JAMES C. BOOTH, Melter and Refiner in the United States Mint, Professor of Applied Chemistry in the Franklin Institute, etc., assisted by CAMPBELL MORFIT, author of " Chemical Manipulations,
Page 187 - BELL. — Carpentry Made Easy: • Or, The Science and Art of Framing on a New and Improved System. With Specific Instructions for Building Balloon Frames, Barn Frames, Mill Frames, Warehouses, Church Spires, etc. Comprising also a System of Bridge Building, with Bills, Estimates of Cost, and valuable Tables. Illustrated by forty-four plates, comprising nearly 200 figures. By WILLIAM E. BELL, Architect and Practical Builder.
Page 9 - A Practical Treatise on the Manufacture of Worsteds and Carded Yarns : Comprising Practical Mechanics, with Rules and Calculations applied to Spinning; Sorting, Cleaning, and Scouring Wools; the English and French Methods of Combing, Drawing, and Spinning Worsteds, and Manufacturing Carded Yarns. Translated from the French of CHARLES LEROUX, Mechanical Engineer and Superintendent of a Spinning-Mill, by HORATIO PAINE, MD, and AA FESQUET, Chemist and Engineer.
Page 9 - ASSAYER'S GUIDE : Or, Practical Directions to Assayers, Miners, and Smelters, for the Tests and Assays, by Heat and by Wet Processes, for the Ores of all the principal Metals, of Gold and Silver Coins and Alloys, and of Coal, etc. By OSCAR M. LIEBER.
Page 10 - Screw Cutting Tables, for the use of Mechanical Engineers, showing the proper arrangement of Wheels for cutting the Threads of Screws of any required pitch, with a Table for making the Universal Gas-pipe Threads and Taps.
Page 3 - A Practical Treatise on Mechanical Engineering: Comprising Metallurgy, Moulding, Casting, Forging, Tools, Workshop Machinery, Mechanical Manipulation, Manufacture of SteamEngines, etc. With an Appendix on the Analysis of Iron and Iron Ores.