Ladle castable
A ladle pouring and microporous technology, which is applied in the field of ladle refractory materials, can solve problems affecting the service life of ladles and general performance, and achieve the effects of increasing thermal shock resistance, high temperature performance, and service life
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Embodiment 1
[0013] A ladle castable, the use part is the direct inner lining of the ladle and molten steel, wherein the weight percentage of each component is: the weight percentage of each component is: 15% of sintered microporous aluminum spinel 12-8mm, sintered microporous Aluminum spinel 8-5mm is 14%, sintered microporous aluminum spinel 5-3mm is 15%, sintered microporous aluminum spinel 3-1mm is 13%, sintered microporous aluminum spinel≤1mm is 30% %, chromium dicarbide powder 1%, composite gel powder 5%, hydrated alumina micropowder 1%, pearl clay powder 1%, bismuth germanate powder 0.5%, modified pure calcium aluminate cement 4.5%, plus C 7 h 10 N 2 o 2 S0.1%, C 21 h 14 Na 2 o 6 S 2 0.1%, 2-morpholineethanesulfonic acid 0.05%. Mix the above ingredients evenly to obtain the ladle castable.
[0014] Experimental tests were carried out with the ladle castable formula of Example 1: adding water accounting for 3-6 wt% of the above formula, the test performance indicators were as...
Embodiment 2
[0016] A ladle castable, wherein the weight percentage of each component is: the weight percentage of each component is: 14% for sintered microporous aluminum spinel 12-8mm, 15% for sintered microporous aluminum spinel 8-5mm, and 15% for sintered microporous aluminum spinel Microporous aluminum spinel 5-3mm is 15%, sintered microporous aluminum spinel 3-1mm is 12%, sintered microporous aluminum spinel≤1mm is 30%, modified magnesia-calcium sand≤1mm is 2% , chromium dicarbide powder 1%, composite gel powder 5%, hydrated alumina micropowder 1%, pearl clay powder 1%, bismuth germanate powder 0.5%, modified pure calcium aluminate cement 3.5%, plus C 7 h 10 N 2 o 2 S0.1%, C 21 h 14 Na 2 o 6 S 2 0.1%, 2-morpholineethanesulfonic acid 0.05%. Mix the above ingredients evenly to obtain the ladle castable.
[0017] Experimental testing was carried out with the ladle castable formula of Example 2: adding water accounting for 3-6 wt% of the above formula, the test performance indic...
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