Principles of the Manufacture of Iron and Steel: With Some Notes on the Economic Conditions of Their ProductionG. Routledge, 1884 - 744 pages |
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Page xii
... charges of coke , 179 . materials in charging , 179. Increase of temperature of gases on ceasing to charge , 181. Temperature at which ore commences to lose oxygen , 182. Rate at which reduction goes on at different tempera- tures , 183 ...
... charges of coke , 179 . materials in charging , 179. Increase of temperature of gases on ceasing to charge , 181. Temperature at which ore commences to lose oxygen , 182. Rate at which reduction goes on at different tempera- tures , 183 ...
Page 28
... charge from the blast furnace , to the converting vessel ; and the same air which burns off the impurities , by its passage through the iron , dispenses with the use of any other motive power , than that furnished by the blowing engine ...
... charge from the blast furnace , to the converting vessel ; and the same air which burns off the impurities , by its passage through the iron , dispenses with the use of any other motive power , than that furnished by the blowing engine ...
Page 31
... charge , quickly cause combustion to pervade the mass , when the blast is turned on . In this direct mode of dealing with the ore , as in the blast furnace proper , there are two distinct stages through which the mineral has to pass ...
... charge , quickly cause combustion to pervade the mass , when the blast is turned on . In this direct mode of dealing with the ore , as in the blast furnace proper , there are two distinct stages through which the mineral has to pass ...
Page 34
... charge is then withdrawn and cooled in a vessel closed so as to exclude the air , which would otherwise reoxidize the porous metal , or " sponge " as it is termed . This immunity from reoxidation cannot , of course , be secured when the ...
... charge is then withdrawn and cooled in a vessel closed so as to exclude the air , which would otherwise reoxidize the porous metal , or " sponge " as it is termed . This immunity from reoxidation cannot , of course , be secured when the ...
Page 36
... charges , & c . , has been incurred . The ore in use for the Blair process , on the occasion of my visit at Glenwood ... charge 1,000 parts . Steel received ... 768 do . 903 parts . Do. Total of Metallic Iron .. do . at 99 per cent 760 ...
... charges , & c . , has been incurred . The ore in use for the Blair process , on the occasion of my visit at Glenwood ... charge 1,000 parts . Steel received ... 768 do . 903 parts . Do. Total of Metallic Iron .. do . at 99 per cent 760 ...
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Common terms and phrases
20 units actual amount anthracite average Belgium Bessemer blast furnace Britain burnt calcined calories carbon as carbonic carbonic acid cent charcoal charge cinder Clarence Cleveland CO₂ coke collieries combustion compared composition considerable consumed consumption contained converter cost cubic feet cwts district Durham earnings employed England escaping gases estimated experience favour figures fixed carbon forge fuel Germany given hearth heat evolved hematite hot blast hydrogen increase Iron and Steel iron trade ironstone labour less lime limestone loss malleable iron manganese manufacture materials matter metallic iron metalloids Middlesbrough mineral mines nitrogen obtained oxide of iron oxygen paid phosphorus pig iron present produced puddling furnace quantity of carbon railway rates raw coal reduced referred silica silicon slag smelting steel rails Sulphur temperature tons Total tuyeres unit of carbon unit of coke United Kingdom units of iron wages weight
Popular passages
Page 39 - A personal and apparently immaterial event produced a revolution of public feeling, for which it would be difficult to find a parallel in the history of English politics.
Page 381 - It is only within the last quarter of a century, that we have...
Page 585 - Britain ;" elsewhere asserting that it would " prove a match for any part of the world in the production of cheap iron.
Page 300 - Birkinbine, editor of the Journal of the United States Association of Charcoal Iron Workers.
Page 489 - So far as my own observation goes, I should say that the...
Page 478 - ... were sugar, salt, coals, candles, soap, shoes, stockings, and generally all articles of clothing and all articles of bedding. It may be added, that the old coats and blankets would have been, not only more costly, but less serviceable than the modern fabrics.
Page 315 - Fuller's earth to the extent of 5 per cent of the weight of the tallow is added and the whole mass agitated about thirty minutes.
Page 478 - Second, was fifty shillings. Bread therefore, such as is now given to the inmates of a workhouse, was then seldom seen, even on the trencher of a yeoman or of a shopkeeper. The great majority of the nation lived almost entirely on rye, barley, and oats.
Page 390 - The nature of the gases evolved during the blowing of a charge of Bessemer steel has recently been investigated by Mr. GJ Snelus, who has given the following tabular statement of the composition of the gas at different periods of a blow lasting eighteen minutes. I.
Page i - Principles of the manufacture of iron and steel, with some notes on the economic condition of their production.