INTERNAL COATING OF REACTOR-GASIFIER Russian patent published in 2015 - IPC B01J19/02 

FIELD: chemistry.

SUBSTANCE: invention relates to internal coating of reactor-gasifier. Gasifier contains internal wall, with applied on it layer, or internal wall, protected by means of set of blocks, where said layer or said blocks have at least one area of sintered material, which contains: (i) at least 25 wt % and less than 45 wt % of chrome oxide Cr₂O₃; and (ii) at least 1 wt % of zirconium oxide, where at least 20 wt % of said zirconium oxide ZrO₂ are stabilised in cubic or tetragonal form and (iii), with the total content of Al₂O₃+ZrO₂ constitutes more than 20 wt %.

EFFECT: invention makes it possible to improve fireproof coating.

45 cl, 3 tbl