Siliceous mullite structure-insulating integrated composite brick and preparation method thereof
A technology of silicon molybdenum structure and composite brick, which is applied in the field of silicon molybdenum structure heat insulation integrated composite brick and preparation field, can solve the problems of high thermal conductivity, low strength of lightweight parts, low refractoriness, etc. Excellent peeling performance and energy saving effect
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Embodiment 1
[0039] In this embodiment, a dense silicon molybdenum heavy working layer and aluminum oxide hollow spheres are used for layered compounding. The raw materials and mass percentages used in the heavy working layer are:
[0040] 3~5mm high bauxite 18%
[0041] 1~3mm high bauxite 33%
[0042] Less than 1mm high bauxite 15%
[0043] No more than 325 mesh high bauxite 12%
[0044] Less than 1mm silicon carbide 10%
[0045] Not more than 200 mesh silicon carbide 6%
[0046] Clay 6%
[0047] Plus liquid binder 3%
[0048] Functional admixture 8%
[0049] The added liquid binder is industrial wood sulfonate solution, and the functional additive is kyanite;
[0050] The raw materials used in the light working layer and their mass percentages are: 65% of aluminum oxide hollow spheres, 35% of α-Al2O3 micropowder, and 35% of the mass percent of α-Al2O3 micropowder as a phosphoric acid binder.
[0051] The manufacturing method of Simo structural heat insulation integrated composite...
Embodiment 2
[0058] In this embodiment, a dense silicon molybdenum heavy working layer and aluminum-magnesium hollow spheres are used for layered compounding. The raw materials and mass percentages of the heavy working layer are:
[0059] 3~5mm high bauxite 23%
[0060] 1~3mm high bauxite 30%
[0061] Less than 1mm high bauxite 10%
[0062] No more than 325 mesh high bauxite 15%
[0063] Silicon carbide less than 1mm 11%
[0064] Not more than 200 mesh silicon carbide 9%
[0065] Clay 2%
[0066] Plus liquid binder 5%
[0067] Functional admixture 3%
[0068] The additional liquid binder is methyl cellulose solution, and the functional additive is zirconia
[0069] The raw materials used in the light working layer and their mass percentages are: 38% of aluminum-magnesium hollow spheres, 62% of high-bauxite powder, and 31% of the mass percentage of high-bauxite powder added with aluminum dihydrogen phosphate binder. %.
[0070] The manufacturing method of Simo structural heat insul...
Embodiment 3
[0077] In this embodiment, dense silicon molybdenum heavy working layer and corundum hollow spheres are used for layered compounding. The raw materials and mass percentages used in the heavy working layer are:
[0078] 3~5mm high bauxite 20%
[0079] 1~3mm high bauxite 30%
[0080] Less than 1mm high bauxite 10%
[0081] No more than 325 mesh high bauxite 12%
[0082] Less than 1mm silicon carbide 13%
[0083] Not more than 200 mesh silicon carbide 9%
[0084] Clay 6%
[0085] Plus liquid binder 4%
[0086] Functional admixture 5%
[0087] The added liquid binder is 4% yellow dextrin solution, and the functional additive is zirconium silicate;
[0088] The raw materials used in the light working layer and their mass percentages are: 60% of corundum hollow balls, 40% of coke gemstone powder, and 35% of the mass percentage of coke gemstone powder plus aluminum sulfate binder.
[0089] The manufacturing method of Simo structural heat insulation integrated composite brick ...
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