Aluminium titanate-mullite-corundum sagger as well as preparation method and application thereof
A technology of aluminum titanate and mullite, which is applied in the field of aluminum titanate-mullite-corundum sagger and its preparation, can solve the problems of affecting the service life of the sagger, the service life of the sagger is not high, peeling, cracking, etc. , to achieve the effect of high cost performance, low cost and strong corrosion resistance
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[0053] The present invention also provides a method for preparing the above-mentioned aluminum titanate-mullite-corundum sagger, which includes the following steps: mixing the raw materials in the formula amount uniformly, then adding a binder and mixing uniformly again to obtain a mixture, which is molded And after firing, the aluminum titanate-mullite-corundum sagger can be obtained.
[0054] The preparation method of the above-mentioned aluminum titanate-mullite-corundum sagger provided by the present invention has simple process steps. It only needs to mix the raw materials evenly, add the binder and mix evenly again, and then it can be obtained after molding and firing. The processing is simple, and the prepared aluminum titanate-mullite-corundum sagger has the advantages of low cost, high cost performance and long service life.
[0055] In a preferred embodiment, the binder includes pulp waste liquid, and the amount of pulp waste liquid added is 3%-4%.
[0056] Wherein,...
Embodiment 1
[0067] This embodiment provides an aluminum titanate-mullite-corundum sagger, which is mainly prepared from the following raw materials in parts by mass:
[0068] 25 parts of aluminum titanate with a particle size not greater than 1.5 mm, 25 parts of capacitor mullite with a particle size not larger than 1 mm, 20 parts of capacitor corundum powder with a particle size not larger than 46.9 μm, 12 parts of titanium dioxide, and 12 parts of α-alumina , 1.5 parts of magnesium oxide powder and 2 parts of yellow dextrin.
Embodiment 2
[0070] This embodiment provides an aluminum titanate-mullite-corundum sagger, which is mainly prepared from the following raw materials in parts by mass:
[0071] 35 parts of aluminum titanate with a particle size not greater than 1.5 mm, 15 parts of capacitor mullite with a particle size not larger than 1 mm, 30 parts of capacitor corundum powder with a particle size not larger than 46.9 μm, 8 parts of titanium dioxide, and 16 parts of α-alumina , 0.5 parts of magnesium oxide powder and 4 parts of yellow dextrin.
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