Novel magnesia-carbon ladle slag line brick and production method thereof
A technology of ladle slag wire and magnesia carbon is applied in the field of new magnesia-carbon material ladle slag wire brick, which can solve the problems of high cost and short service life, and achieve the effect of long service life and reduced material cost.
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Embodiment 1
[0028] (1) each raw material is weighed according to the following percentages by weight: 85% of ordinary magnesia, 8% of carbon material, 5% of antioxidant, and 2% of binding agent;
[0029] (2) ordinary magnesia is crushed;
[0030] (3) Pass the crushed magnesia particles through the vibrating sieve, and the magnesia particles are required to include the following five types: particle size greater than 8mm and less than 25mm, particle size greater than 3mm and less than 5mm, particle size greater than 1mm and less than 3mm, particle size less than 1mm and over The fine powder of 200 mesh sieves, the percentage by weight of five kinds of magnesia particles is successively 20%, 20%, 25%, 10%, 10%;
[0031] (4) Put the crushed magnesia powder into the kneader as the aggregate, then put the binder into the premix for 4 minutes, and finally put all the remaining raw materials into the kneader, and continue the kneading process for 30 minutes;
[0032] (5) Add the mixed material ...
Embodiment 2
[0035] (1) Weigh each raw material according to the following weight percentages: 80% of ordinary magnesia, 14% of carbon material, 3% of antioxidant, and 3% of binding agent;
[0036] (2) ordinary magnesia is crushed;
[0037] (3) Pass the crushed magnesia particles through the vibrating sieve, and the magnesia particles are required to include the following five types: particle size greater than 8mm and less than 25mm, particle size greater than 3mm and less than 5mm, particle size greater than 1mm and less than 3mm, particle size less than 1mm and over The fine powder of 200 mesh sieves, the percentage by weight of five kinds of magnesia particles is successively 15%, 23%, 24%, 8%, 10%;
[0038] (4) Put the crushed magnesia powder into the mixer as an aggregate, then put the binder into the premixing process for 2 minutes, finally put all the remaining raw materials into the mixer, and continue mixing for 20 minutes;
[0039] (5) Add the mixed material mixed in step (4) in...
Embodiment 3
[0042] (1) each raw material is weighed according to the following percentages by weight: 83% of ordinary magnesia, 12% of carbon material, 4% of antioxidant, and 1% of binding agent;
[0043] (2) ordinary magnesia is crushed;
[0044] (3) Pass the crushed magnesia particles through the vibrating sieve, and the magnesia particles are required to include the following five types: particle size greater than 8mm and less than 25mm, particle size greater than 3mm and less than 5mm, particle size greater than 1mm and less than 3mm, particle size less than 1mm and over The fine powder of 200 mesh sieves, the percentage by weight of five kinds of magnesia particles is successively 17%, 25%, 23%, 10%, 9%;
[0045] (4) Put the crushed magnesia powder into the kneader as aggregate, then put the binder into the premix for 3 minutes, and finally put all the remaining raw materials into the kneader, and continue the kneading process for 25 minutes;
[0046] (5) Put the mixed material mixe...
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