Refractories and Industrial Ceramics Vol. 46, No. 2, 2005 INFORMATION REFRACTORY MATERIALS FOR THE LINING OF THERMAL POWER UNITS I. D. Kashcheev Translated from Novye Ogneupory, No. 1, pp. 70 – 75, January, 2005. Refractory and heat-insulating materials perform a major The heat conductivity of a refractory material is con- function in industrial power engineering — preserving heat trolled mainly by the composition and pressure of the gas and maintaining a stable operating temperature. The use of medium in the furnace. Quoted handbook data on heat con- advanced heat-insulating refractory materials allows preserv - ductivity refer typically to standard atmospheric conditions. ing heat and significant economy of energy reserves. At pres Still, the heat conductivity of a material is also a function of ent, a larger part of industrial heating units and furnaces in the material’s phase composition, density, porosity, and other Russia are severely depreciated and are badly in need of up factors. However, the actual heat conductivity may differ dating ; for this reason, preserving heat and economizing from tabular data by 50% even within the same production energy reserves is an issue of urgent concern which requires batch. For practical calculations, the semi-empirical formula a prompt
Refractories and Industrial Ceramics – Springer Journals
Published: Sep 13, 2005
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