SCIENTIFIC ABSTRACT KUKOLEV, G. V. - KUKOLEV, G. V.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000927310016-2
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 23, 2000
• Sequence Number: 16
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

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KMLIV, G.V., professor, doktor takhnichaskikh nauk; MIIINIK, M.T.,
WMat takhnichookikh nauk.
Affect of oxides forming solid solutions in dicalcium ailicatei
on the properties of portland cement clinkers. TSement 22 no.l:
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(Portland 'cement) (Solutioze, Solid) (Oxides)

xWOLEV, G.V.
Petr Petrovich Budnikov. Zhur.prikl.kbim. 29 no.1:3-6 Ja 136.
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(Budnikov, Petr Petrovich, 1885-)

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137-58-4-6492
Translation from: Referativnyy zhurnal, Metallurgiya, 1958, Nr 4, p 23 (USSR)
A UTHORS: Kukolev,_JCL~., Zelenskaya, A.T.
TITLE: Proper Granular Constitution of Burnt Dolot-nite (0 ratsional'-
nom zernovorn sostave obozhzhennogo dolomita)
PERIODICAL: Byul. nauchno-tekhn. inform. Vses, n. -;., in-t ogneuporov,
1957, Vol 2, pp 73-83
ABSTRACT. The unit weight of the uncompressed dry granular material
and the angle of repose of a mixture of 3 fractions of commerc-
ia) burnt metallurgical dolomite (MD) was determined. The
grain-size fractions were 20-12, 12-4, and 44I.mm. The best
results in terms of dry granular material weight (up to 1.93
g/cm3) were obtained for a mixture containing up to 20% of the
1-4 mm fraction. As grain size in the mixtu.re rose, the angle
of repose of the MD increased, attaining 29.-30* - The veloc-
ities required for MD grains of the 0.5, 1.2 and 3 mm classes
to "hover" were determined experimentally and by calculation.
It was established that at the common rates of motion of the
gases in the smelting space of an open-hearth furnace (10-15
Card 1112 m/sec), carry-off of MD grains is not to be expected if they

137~5,8-4-6492
Proper Granular Constitution of Burnt Dolomite
are >_ 2 mm in size. A verification of the tendency of granular MD to hydra -
fion for -75 days showed that a mixture containing 20% 1-4 mm grains shows
Only 0.34% hydration in 4U days. At the Makeyevka Iron and Steel Mill, tile
walls and banks of 55-, 110-, and 130-t open hearth furnaces were provided
with MD of the indicated grain composition. The MD consumption proved to
be 25.2 kg/t steel, as against 32.2 kg/t for dolomite of 12-2.0 mm grain size.
This work served as the basis for a re-examination of the engineering spec-
ifications for MD, with the result that the minimum grain size was lowered
from 4 to 2 mm, yielding a 10-20% increase in the production of salable MD
at dolomite plants.
S.G.
1. Dolomite--Properties~-Determination
Ca rd 2/2

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