Unfired pyrophyllite hot metal ladle lining material and preparation method thereof
A hot metal tank and pyrophyllite technology, applied in the field of non-burning pyrophyllite hot metal tank lining materials and its preparation, can solve the constraints of large-scale ironmaking production, high efficiency, fast pace, large damage to tank lining refractory materials, The cleaning operation is dangerous and other problems, and the effect of overcoming the phenomenon of hanging slag and iron, good integrity and simple construction
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Embodiment 1
[0016] Non-burning pyrophyllite molten iron tank lining material, which is made of the following ingredients in proportion by weight: SiO 2 70;Al 2 o 3 25; calcium aluminate cement 5, explosion-proof fiber 0.1 part; said SiO 2 、Al 2 o 3 It is a mixture of one or more of pyrophyllite, bauxite, silica powder, and corundum. The particle size distribution requirements of raw materials are: 0-1mm accounts for 10%, 1-3mm accounts for 30%, and 3-5mm accounts for 20%; The preparation method is that the raw materials are put into a mixer according to the above ratio and mixed evenly, shaped in a brick press, dried and packaged, and the product is a shaped product.
Embodiment 2
[0018] Non-burning pyrophyllite molten iron tank lining material, which is made of the following ingredients in proportion by weight: SiO 2 55;Al 2 o 3 30; water glass 14.5, explosion-proof fiber 0.5 part; said SiO 2 、Al 2 o 3 It is a mixture of one or more of pyrophyllite, bauxite, silica powder, and corundum. The particle size distribution requirements of raw materials are: 0-1mm accounts for 10%, 1-3mm accounts for 30%, and 3-5mm accounts for 20%; The preparation method is that the raw materials are put into a mixer according to the above ratio and mixed evenly, shaped in a brick press, dried and packaged, and the product is a shaped product.
Embodiment 3
[0020] Non-burning pyrophyllite molten iron tank lining material, which is made of the following ingredients in proportion by weight: SiO 2 62; Al 2 o 3 25; calcium aluminate cement 9; 1 part of explosion-proof fiber, 2 parts of steel fiber, 1 part of sodium hexametaphosphate, the SiO 2 、Al 2 o 3 It is a mixture of one or more of pyrophyllite, bauxite, silica powder, and corundum. The particle size distribution requirements of raw materials are: 0-1mm accounts for 10%, 1-5mm accounts for 20%, 5-10mm accounts for 20%, 10-18mm accounts for 10%; the preparation method is to put the raw materials into the mixer according to the above ratio and mix them evenly, pour them into the mold, release the mold after solidification and pack them dryly, and its shape is determined according to the shape requirements of the used parts.
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