Aluminum-silicon castable added with silica powder and preparation method of aluminum-silicon castable
A silicon micropowder and aluminum-silicon system technology is applied in the field of unshaped refractory materials, which can solve the problems of affecting the performance and construction performance of medium and high temperature, large amount of calcium aluminate cement, and unfavorable use of castables, etc. The effect of reducing cement content and impurity content
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[0035] A method of preparing a silicon silicon-based pouring material added to a silicon fine powder is applied to an aluminum silicon-based pouring material having a silicon fine powder according to claim 1. The specific method steps are as follows:
[0036] Step 1, material configuration;
[0037] Step 2, the raw material mixing;
[0038] Step three, vibration molding;
[0039] Step four, demold dry;
[0040] Step 5, cool the measurement.
[0041] Further, steps include:
[0042] According to the above formulation, 42% to 50% of calcium carbonate cement, 2% to 8%, silicon fine powder from 0 to 8%, and 40% ~ 50% of the pearl rocks were 3% to 50%.
[0043] Further, step two includes:
[0044] 2, the raw material weighing is poured into the mixer, and the raw material is subjected to a mixed mixing ratio;
[0045] 2, adding an appropriate amount of water to the mixer for stirring, making a slurry, and the time is stirred for 5 min.
[0046] Further, step three includes:
[0047] 1,...
Embodiment 1
[0085] A method of preparing a silicon silicon-based pouring material to add silicon fine powder, the specific steps of this treatment are as follows:
[0086] Step 1, material configuration;
[0087] Step 2, the raw material mixing;
[0088] Step three, vibration molding;
[0089] Step four, demold dry;
[0090] Step 5, cool the measurement.
[0091] Further, the components prepared by the raw materials described in steps include:
[0092] 42% to 50% of calcium aluminate cement;
[0093] 2% ~ 8% of Shenzhu;
[0094] Silicon fine powder 0 ~ 8%;
[0095] 40% ~ 50% of pearls;
[0096] The above materials are both mass parts.
[0097] Further, step two includes:
[0098] 1 Pour 48% calcium carbonate cement of the corresponding mass parts, 6% of Shenzhen, 2% of silicon fine powder and 44% of the pearl rock into the mixer, and the raw materials are subjected to dry mixing.
[0099] 2, adding an appropriate amount of water to the mixer for stirring, making a slurry, and the time is stir...
Embodiment 2
[0112] A method of preparing a silicon silicon-based pouring material to add silicon fine powder, the specific steps of this treatment are as follows:
[0113] Step 1, material configuration;
[0114] Step 2, the raw material mixing;
[0115] Step three, vibration molding;
[0116] Step four, demold dry;
[0117] Step 5, cool the measurement.
[0118] Further, the components prepared by the raw materials described in steps include:
[0119] 42% to 50% of calcium aluminate cement;
[0120] 2% ~ 8% of Shenzhu;
[0121] Silicon fine powder 0 ~ 8%;
[0122] 40% ~ 50% of pearls;
[0123] The above materials are both mass parts.
[0124] Further, step two includes:
[0125] 1 Pour 46% calcium carbonate in the corresponding mass parts, 6% of Shenzhen, 4% of silicon fine powder and 44% of the pearl rock into the mixer, and the raw materials are mixed and mixed.
[0126] 2, adding an appropriate amount of water to the mixer for stirring, making a slurry, and the time is stirred for 5 min. ...
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