Conclusions
A study was made of the influence of the type of periclase, the form and amount of bond, the concentration of graphite and milled periclase, the pressing pressure, and the firing temperature on the compressive strength, apparent density, and open porosity of periclase-carbon refractories.
We developed an industrial, scrap-free technology for the manufacture of periclase-carbon refractories from fused and sintered periclase and graphite with organic bonds SFP + LSB-1 and nontoxic SFP + LST, with the use of scrap from electromelting, and scrap products.
We determined the technological parameters for obtaining high-quality periclase-carbon refractories, including those with nontoxic bonds, with good strength, porosity, and refractoriness under load factors.
The resulting periclase-carbon materials ensure high wear resistance and efficiency to the lining of walls in high-capacity arc, steel-melting furnaces with water-cooled panels, in comparison with PKhP refractories and PKhS materials, which facilitates a reduction in the specific consumption of refractories, including fused. Replacing PKhP and PKhS materials with periclase-carbon will eliminate loss in firing and the consumption of fuel for preparing the goods, and it will also release fusion-grain refractories PKhP for UVS units.
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Translated from Ogneupory, No. 12, pp. 27–33, December, 1988.
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Simonov, K.V., Zagnoiko, V.V., Burdina, G.V. et al. Influence of technological parameters on the properties and wear resistance of periclase-carbon refractories. Refractories 29, 734–741 (1988). https://doi.org/10.1007/BF01280348
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DOI: https://doi.org/10.1007/BF01280348