Ramming material
A technology of ramming material and aggregate, which is applied in the field of fused zirconia ramming material, can solve the problems of production and sales without zirconia ramming material, and achieve the effects of good chemical stability, low production cost and easy molding
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example 1
[0027] Example 1: The components and weight percentages of the ramming material are: 60 parts of aggregate, 40 parts of powder, 2 parts of binder, and 10 parts of additive; the composition of the aggregate is fused semi-stable zirconia particles , 30 parts with a particle size of 0.088-10mm, 30 parts with a particle size of 10-25mm; the composition of the powder is fused semi-stable zirconia powder, 20 parts with a particle size of 2000-500 mesh, and a particle size of 8000-2000 The purpose is 20 parts; the binding agent is aluminum dihydrogen phosphate solution with a concentration of 60%; the additive is a mixture of zirconium-containing silica fume, carboxymethyl cellulose and yellow dextrin.
[0028] Aluminum dihydrogen phosphate solution with a concentration of 60% is a commonly used binder for refractory materials. Its advantage is that its strength can be maintained from low temperature to high temperature, and it is more suitable as a binder for difficult-to-sinter mate...
example 2
[0032] Example 2: The components and weight percentages of the ramming material are: 80 parts of aggregate, 20 parts of powder, 15 parts of binder, and 0.5 part of additive; A mixture of stabilized zirconia particles, 30 parts of which have a particle size of 0.088-10 mm, and 50 parts of which have a particle size of 10-25 mm; A mixture of zirconium acid powder and zircon powder, wherein the fused semi-stable zirconia powder has a particle size of 2000-500 mesh, accounting for 10 parts, and other powders have a particle size of 8000-2000 mesh, accounting for 10 parts; the binder It is an aluminum dihydrogen phosphate solution with a concentration of 60%; the additive is a mixture containing zirconium silica fume, carboxymethyl cellulose and yellow dextrin.
[0033] After the above raw materials are prepared, they are mixed and processed into ramming material according to the following preparation process: first mix the aggregate, powder and additives of the ramming material ev...
example 3
[0035] Example 3: The components and weight percentages of the ramming material are: 40 parts of aggregate, 60 parts of powder, 10 parts of binder, and 5 parts of additive; the composition of the aggregate is fused semi-stable zirconia particles , 20 parts with a particle size of 0.088-10mm, 20 parts with a particle size of 10-25mm; the composition of the powder is fused semi-stable zirconia powder, 30 parts with a particle size of 2000-500 mesh, 8000-2000 The purpose accounts for 30 parts; the binding agent is aluminum dihydrogen phosphate solution with a concentration of 60%; the additive is a mixture containing zirconium silica fume, carboxymethyl cellulose and yellow dextrin.
[0036] After the above-mentioned raw materials are prepared, they are mixed and processed into ramming material according to the following preparation process: first, the aggregate, powder and additives of the ramming material are mixed evenly, and then the aluminum dihydrogen phosphate solution with...
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