Abstract: The development of new refractories with improved characteristics is an important task of energy. The purpose of the
study is to determine effective parameters for the porosity of refractory in which it is possible to obtain a minimum conductivity.
Elected of technology and its heat treatment for quality refractory bricks. The article discusses the improvement of the
thermophysical properties of refractories due to the structuring of large pores (voids). Created of highly refractory bricks and hollow
bricks with closed pore size 4x15x15 with higher performance characteristics than conventional refractories. Shows the layout of
holes (voids) in the bricks which help to reduce weight and lower thermal conductivity characteristics. Research conducted by the
authors also support the ability to create high-quality porous refractory genesis of destruction that will result in minimum possible
thermal conductivity for refractories withi n t he 0,047 Vt / (m ∙ K). The thermal conductivity of the obtained bricks below the thermal
conductivity of the same brick without holes. The resistance has not changed and remained high. The compressive strength i s 15%
below the compressive strength of the bricks without holes.
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