Non-burning permeable brick for steel ladle bottom argon bubbling and preparation process thereof
A bottom-blown argon, breathable brick technology, applied in the field of high-temperature ceramics, can solve the problems of unsatisfactory progress and effect, reduced product corrosion resistance, long production cycle, etc., to improve thermal shock stability and corrosion resistance. , The effect of reducing the firing cost and reducing the line change rate
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[0023] Example 1:
[0024] The non-burning ladle bottom argon-blowing breathable brick is composed of the following components and weights: plate corundum 75, spinel 10, a-Al 2 O 3 8. CMA cement 6, pore former 0.5, dispersant 0.5; among them, tabular corundum ensures the high temperature performance and wear resistance of the product; spinel improves the corrosion resistance of the product; a-Al 2 O 3 Make the various components in the product evenly dispersed; CMA cement acts as a binding agent to make the product obtain better strength; by adding a pore former to ensure the formation of uniform micropores; by adding a dispersant, the product manufacturing process is reduced The amount of water added.
[0025] The tabular corundum is composed of the following components and weights: tabular corundum 25 with a particle size of 3-6 mm, tabular corundum 24 with a particle size of 3 to 1 mm, and tabular corundum 16 with a particle size of 1 to 0 mm, with a particle size of less than o...
Example Embodiment
[0036] Example 2:
[0037] The non-burning ladle bottom argon-blowing breathable brick is composed of the following components and weights: plate corundum 65, spinel 14, a-Al 2 O 3 10. CMA cement 8, pore former 0.8, dispersant 0.8; among them, tabular corundum ensures the high temperature performance and wear resistance of the product; spinel improves the corrosion resistance of the product; a-Al 2 O 3 Make the various components in the product evenly dispersed; CMA cement acts as a binding agent to make the product obtain better strength; by adding a pore former to ensure the formation of uniform micropores; by adding a dispersant, the product manufacturing process is reduced The amount of water added.
[0038] The tabular corundum is composed of the following components and weights: tabular corundum 20 with a particle size of 3-6 mm, tabular corundum 28 with a particle size of 3 to 1 mm, and tabular corundum 12 with a particle size of 1 to 0 mm, with a particle size of less than ...
Example Embodiment
[0049] Example 3:
[0050] The non-burning ladle bottom argon-blowing breathable brick is composed of the following components and weights: tabular corundum 85, spinel 6, a-Al 2 O 3 5. CMA cement 4, pore former 0.3, dispersant 0.3; among them, tabular corundum ensures the high temperature performance and wear resistance of the product; spinel improves the corrosion resistance of the product; a-Al 2 O 3 Makes the various components in the product evenly dispersed; CMA cement is used as a binder to make the product obtain better strength; by adding a pore former to ensure the formation of uniform micropores; by adding a dispersant, the product manufacturing process is reduced The amount of water added.
[0051] The tabular corundum is composed of the following components and weights: tabular corundum 30 with a particle size of 3-6 mm, tabular corundum 20 with a particle size of 3 to 1 mm, tabular corundum 20 with a particle size of 1 to 0 mm, with a particle size of less than or equ...
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