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The Iron Age 1885-11-12: Vol 36 Iss 20

1885 Reed Business Information US

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TH. Gs. dl rt. ators, The Iron Age INDEX TO EADING MATTER PAGE 32 Vol. XN VT. No. ew A New Form of Cupola Furnace.* BY MR. JAMES RILEY. The cupola furnace which I have to sub- mit to the members of the Institute is the outcome of an earnest desire to shorten the duration of the operations necessary in making open-hearth steel. ‘These operations may be divided as follows, taking, for illus- tration a charge for soft steel of 12 tons say g tons of pig iron with 3 tons of steel scrap, and working with ore): Charging, one hour; melting, from three to four hours ; boiling and finishing, six hours ; repairing furnace, about half an hour. Looking at these operations with the view of reducing the cost, one naturally asks, *‘Can you not shorten the time occupied in charging, and reduce its cost in labor, by substituting machinery for manual labor?” I know that others besides myself have given a good deal of thought to this matter, but probably with the same result—that no contrivance yet hit upon for charging solid cheaper than manual labor. But,.if our considerations turn in the direction of charg ing fluid metal, it will be at once apparent that this can be done in a very small frac tion …

Citation

The Iron Age 1885-11-12: Vol 36 Iss 20. Reed Business Information US. 1885.