Download Coke Oven Techniques by C. Polfer (auth.) PDF

By C. Polfer (auth.)

The expanding scale and depth of recent blast-furnace operation, mixed with a simultaneous relief in coke fee, have ended in extra stringent coke caliber specifications with a better emphasis at the coke's (1 2) position as a burden spacer ' • as a result, coke caliber facts restricted to chemical composition, preliminary measurement grading and ambient measurement balance are inadequate to foretell the coke's behaviour in use. a practical investigate­ ment of the most likely functionality of coke also needs to think about its resistance to degradation within the chemical and thermal surroundings of the blast furnace. A attempt is, for this reason, wanted which simulates so far as attainable the mechanical, chemical and thermal stipulations of the smelting approach and measures the consequent adjustments in measurement distribution of the coke, and therefore in its bulk permeability to gasoline circulate, utilizing consultant samples of the feed coke as charged to the furnace. additionally, new advancements in coke creation make it essential to reconsider coke trying out in order to consultant the coke manufacturer in making the easiest use of accessible coals. The mode of mechanical coke breakage at ambient temperature has been largely characterized and with regards to alterations within the coke's bulk permeability(3). by contrast, the reasons of decay within the scorching energy and dimension of bulk coke coming up from its partial gasification with carbon dioxide and reheating to extreme temperature are particularly much less explored. the current paper describes the v.

Show description

Read Online or Download Coke Oven Techniques PDF

Best mechanical engineering books

LabVIEW for Everyone: Graphical Programming Made Easy and Fun

The number 1 step by step consultant to LabVIEW--Now thoroughly up to date for LabVIEW eight! grasp LabVIEW eight with the industry's friendliest, so much intuitive educational: LabVIEW for everybody, 3rd version. best LabVIEW specialists Jeffrey Travis and Jim Kring train LabVIEW the straightforward approach: via rigorously defined, step by step examples that offer you reusable code on your personal tasks!

Advances in the Flow and Rheology of Non-Newtonian Fluids

Those volumes comprise chapters written by means of specialists in such components as bio and meals rheology, polymer rheology, circulation of suspensions, move in porous media, electrorheological fluids, and so forth. Computational in addition to analytical mathematical descriptions, concerning applicable constitutive equations care for advanced movement events of business value.

Dynamics for Engineers

"Mechanics is one ofthe branches ofphysics during which the quantity ofprinciples is instantly only a few and extremely wealthy in priceless results. nevertheless, there are few sciences that have required loads thought-the conquest of some axioms has taken greater than 2000 years. "-Rene Dugas, A historical past zero/ Mechanics Introductory classes in engineering mechanics (statics and dynamics) are typically came across very early in engineering curricula.

Systems engineering and architecting : creating formal requirements

''Preface This ebook used to be written to take a step to satisfy a aim that George Friedman said in his president's keynote tackle in 1994 at simply the second one assembly of the foreign Council on platforms Engineering. George requested his viewers to supply a mathematical foundation for doing platforms engineering.

Additional info for Coke Oven Techniques

Example text

A : ! • ii! s: • ~ III ~ 'OQ 50? 1. n '" 4 ! :::. .. j. 3/. n aiu of' the colce( ... bution in the ~ tJl Figure 5 I I. 10 '. ~O 31 '. )0 SIrIpU:nc potn'ta II ,~ 1 1 30 . 1 .! Segregation of the coke by size after it haa settled on the charge below 0- I , I I I I I - .. _. ,. i mean th~ :r \~---ty=:-)! Cob _lae L:1 ! + "...... i ! ¢ I3: ~ ~ .. ~ r . { t' I . o '" 1. " . :as. \S flow real stance index CJ1 CJ1 - 56 - - Burden: 100% Sinter Fe tot60,66 Blast: 970 oC, moisture 33 g/m 3 eoo ,f; 700 !!.

B. Howard (28) confirmed the hypothesis that the combustion of small coal particles (as in the case of coal injected in blast furnaces) is a sequence of three phenomena (or resistances): diffusion of the 02 through the boundary film of the particle, adsorption of the 02 and finally desorption of the product of the reaction. The reaction rates of these indivi- dual phenomena, in the order k o ' kl and k 2 , are interrelated on the basis of a Langmuir isobar adjusted in accordance with the hypotheses derived from the test data.

Jwanaga - Trans. ISIJ, Vol. 20 no. 11, 1980, p. 744-752. G. G. , Vol. 9, no. 3, may 1963 p. 303-306. 6) M. Hatano, T. Miyazaki, Y. Jwanaja - Trans. ISIJ, Vol. 20, no. 5, p. 292-300. D. D. D. T. Pratt - Plenum Press. 8) S. Taguchi, K. Okabe - Kawasaki Steel Technical Report, 2 (1970) p. 358. K. E. Holditch, N. Daneliak "Alkali control in the Blast Furnace" BF Conference - HF80 - Vol. 3, ArIes (France) 1980. 10) A. Ghiglione, M. Giuli, P. Bax-naba, F. D'Aquino "Blast Furnace Conference" ArIes (France) June 1980 - HF 80 Vol.

Download PDF sample

Rated 4.66 of 5 – based on 27 votes