Production method of metal compounded chromium oxide bricks
A chromium oxide brick and metal composite technology, which is applied in the field of refractory materials, can solve problems such as shortening the service life of refractory materials, affecting the service life of gasifiers, and increasing user burdens, and achieves improved thermal shock stability, excellent spalling performance, and excellent Anti-corrosion effect
Active Publication Date: 2015-06-10
REFRACTORY MATERIAL OF SINOSTEEL CORP
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Abstract
The invention discloses a production method of metal compounded chromium oxide bricks. The content of Cr2O3 in chromium oxide bricks is not less than 80%, and a coal water slurry vaporizing furnace liner material having better performances than original chromium oxide bricks is formed through adding one or more of silicon, chromium, aluminum and iron to a formula of present chromium oxide bricks and through compounding. The metal compounded chromium oxide bricks produced in the invention have the characteristics of strong thermal shock resistance, low porosity and strong coal slag corrosion resistance, can meet strict conditions of large scale formation, high pressure, high productivity and high requirements of present coal water slurry vaporizing furnaces, and prolong the service life of the whole vaporizing furnace liner.
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Coal waterAluminium +6
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