The Principles, Operation And Products of the Blast Furnace
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In our eReader you can find the full English version of the book. Read The Principles, Operation And Products of the Blast Furnace Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Principles, Operation And Products of the Blast Furnace
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EFFECT ON FLUE-DUST LOSS This is frequently the really controlling consideration as to the rate of driving in fine-ore practice.
A. N. Diehl in presenting his paper "Data Pertaining to Gas Clean- ing" {Transactions of the American Institute of Mining Engineers, vol. 1, page 3) , stated verbally as the result of careful investigation that the sur- face of the stock in a modern furnace was in a continual state of "teeter, " particles rising and falling back continually in the gas current; under t...hese conditions some of the finer particles must be regularly carried over by the gas, and we know they are. The lifting power of a current on an individual particle increases as the square of the velocity, hence the num- ber of such particles which would be within the lifting power of a slightly increased gas current is very great, and as a result such an increase would quickly lead to a prohibitive flue-dust loss; in other words, the difference in rate of driving between an insignificant and a prohibitive flue-dust loss is a very small one, and the maximum permissible rate is found in this narrow range.
What to read after The Principles, Operation And Products of the Blast Furnace?
You can find similar books in the "Read Also" column, or choose other free books by Johnson, J. E. (Joseph Esrey), B. 1870 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
EFFECT ON FLUE-DUST LOSS This is frequently the really controlling consideration as to the rate of driving in fine-ore practice.
A. N. Diehl in presenting his paper "Data Pertaining to Gas Clean- ing" {Transactions of the American Institute of Mining Engineers, vol. 1, page 3) , stated verbally as the result of careful investigation that the sur- face of the stock in a modern furnace was in a continual state of "teeter, " particles rising and falling back continually in the gas current; under t...hese conditions some of the finer particles must be regularly carried over by the gas, and we know they are. The lifting power of a current on an individual particle increases as the square of the velocity, hence the num- ber of such particles which would be within the lifting power of a slightly increased gas current is very great, and as a result such an increase would quickly lead to a prohibitive flue-dust loss; in other words, the difference in rate of driving between an insignificant and a prohibitive flue-dust loss is a very small one, and the maximum permissible rate is found in this narrow range.
What to read after The Principles, Operation And Products of the Blast Furnace?
You can find similar books in the "Read Also" column, or choose other free books by Johnson, J. E. (Joseph Esrey), B. 1870 to read onlineMoreLess
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