The market for magnesia raw material

Khoroshavin, L. B.; Kononov, V. A.

doi:10.1007/bf01292739

Cited by 3 publications

(4 citation statements)

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“…In concrete based on chamotte filler there is a sharper fall in USP rate, and after 12 thermal cycles its value becomes less than in concrete based on mixed filler. Apparently, in concrete with PCF during thermal cycling a fragmentary structure is created that increases concrete heat resistance [1,10].…”

Section: Experimental Partmentioning

confidence: 99%

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Study of medium-cement concrete based on mixed Chamotte-periclase chromite filler

Pundene¹,

Antonovich²,

Stonis³

2008

Refract Ind Ceram

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Section: Experimental Partmentioning

confidence: 99%

“…[1]. However periclase-chromite and chromite-periclase refractories are still used quite extensively in metallurgy and to a lesser degree in the cement industry.…”

Section: Introductionmentioning

confidence: 97%

Study of medium-cement concrete based on mixed Chamotte-periclase chromite filler

Pundene¹,

Antonovich²,

Stonis³

2008

Refract Ind Ceram

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“…Phosphate binders are dispersion of a number of inorganic substances in phosphoric acid. Refractories with their use appeared, thanks to the research of a number of domestic and foreign scientists, who laid the theoretical foundations of the chemical technology of phosphate materials [1][2][3][4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Refractory Concretes from Waste of Kovdor Mining and Processing Plant by Magnesium Phosphate Cement

Belogurova¹,

Саварина²,

Шарай³

2021

AJEP

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This work is aimed at using the technogenic raw materials of the Kovdorsky GOK for the production of refractory materials. Currently, many researchers are engaged in the development of technologies for unshaped materials. The most demanded among them are refractory concrete. They are able to set and harden at low temperatures with the formation of structures that retain their characteristics when heated. In our work, concretes were obtained from a briquette based on forsterite concentrate obtained from the waste of the Kovdorsky GOK. Magnesium phosphate cement was used as a binder. As a result of the research, the grain composition of the charge was selected, the ratio of filler and binder to improve the structural properties of concrete was found, the effects of the composition and the temperature of heat treatment of concretes on the physical and technical properties were shown. Concretes have the following characteristics: bulk density 2170-2260 kg / m 3 , strength up to 50 MPa (at 25°C), volume change after heat treatment at 450-1000°C 1-2%. Recovering the waste of the Kovdorsky GOK by manufacture of concrete will lead to a qualitatively new use of non-renewable natural resources, reduce the rate of depletion of mineral raw materials in the subsoil, eliminate sources of environmental pollution and restore land occupied by waste.

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“…For steel-pouring ladles, distinguished from other heating units by higher refractory specifications, achievement of a uniform life for all lining elements will make it possible to reduce refractory specific consumption considerably due to a reduction in hot repair and excluding cases of unsubstantiated breakage of sections that have not exhausted their life [1,2]. Experience of operating steel-pouring ladles indicates that during service there is uneven lining wear.…”

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confidence: 99%

Alumina-Periclase-Carbon Refractories Produced by OOO Ogneupor

Bosyakova¹,

Pomortsev²,

Gizatullin³

et al. 2021

Refract Ind Ceram

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Technology for producing alumina-periclase-carbon refractories of the brands APUK-D and APU-D is developed and implemented. Use of complex antioxidant and carbon-binding additives makes it possible to improve strength properties for these refractories after reduction firing. Pilot plant tests of the refractories developed in the lining of the working layer of steel-pouring ladles confirmed a reduction in lining wear rate compared with that of standard series periclase-carbon refractories by a factor of 1.2 -1.5.

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The market for magnesia raw material

Cited by 3 publications

References 0 publications

Study of medium-cement concrete based on mixed Chamotte-periclase chromite filler

Study of medium-cement concrete based on mixed Chamotte-periclase chromite filler

Refractory Concretes from Waste of Kovdor Mining and Processing Plant by Magnesium Phosphate Cement

Alumina-Periclase-Carbon Refractories Produced by OOO Ogneupor

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