High-aluminum insulating refractory raw material with titanium-iron slag as main material and preparation method thereof
A technology for refractory raw materials and ferrotitanium slag, which is used in clay products, ceramic products, other household appliances, etc., can solve the problem of reducing the strength and slag erosion resistance of high-aluminum raw materials, difficult to control bubble stability, and reducing the strength of high-aluminum raw materials, etc. problems, to achieve the effect of saving labor resources, enhancing strength and slag corrosion resistance, and low production costs
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Embodiment 1
[0028] A high-alumina heat-insulating refractory raw material with ferro-titanium slag as the main material and a preparation method thereof. The specific steps of the preparation method described in this embodiment are:
[0029] Step 1: Crush the ferro-titanium slag to 1~2mm, put it in water, soak it at 90~95°C for 1~2 hours, filter and separate it; then dry it at 110~120°C for 3~5 hours, sieve it, and take The material is sieved to obtain the treated ferro-titanium slag particles; the aperture of the sieve is 1mm.
[0030] Step 2, process the ferro-titanium slag particles as described: the mass ratio of the hydrochloric acid solution is 1: (2 ~ 2.4), add the hydrochloric acid solution that the concentration is 2 ~ 3mol / L in the ferro-titanium slag particles, stir 0.5 to 1 hour; then washed with water and filtered 2 to 3 times successively to obtain the precursor ferrotitanium slag particles.
[0031] Step 3: adding water accounting for 10-12wt% of the precursor ferrotitani...
Embodiment 2
[0036] A high-alumina heat-insulating refractory raw material with ferro-titanium slag as the main material and a preparation method thereof. The specific steps of the preparation method described in this embodiment are:
[0037] Step 1: Crush the ferro-titanium slag to 1~2mm, put it in water, soak it at 90~95°C for 1~2 hours, filter and separate it; then dry it at 110~120°C for 3~5 hours, sieve it, and take The material is sieved to obtain the treated ferro-titanium slag particles; the aperture of the sieve is 1mm.
[0038] Step 2, process the ferrotitanium slag particles as described: the mass ratio of the hydrochloric acid solution is 1: (2.2~2.6), add the hydrochloric acid solution that concentration is 2~3mol / L in the described treatment ferrotitanium slag particles, stir 0.5 to 1 hour; then washed with water and filtered 2 to 3 times successively to obtain the precursor ferrotitanium slag particles.
[0039] Step 3: adding water accounting for 11-13wt% of the precursor...
Embodiment 3
[0044] A high-alumina heat-insulating refractory raw material with ferro-titanium slag as the main material and a preparation method thereof. The specific steps of the preparation method described in this embodiment are:
[0045]Step 1: Crush the ferro-titanium slag to 1~2mm, put it in water, soak it at 90~95°C for 1~2 hours, filter and separate it; then dry it at 110~120°C for 3~5 hours, sieve it, and take The material is sieved to obtain the treated ferro-titanium slag particles; the aperture of the sieve is 1mm.
[0046] Step 2, process the ferrotitanium slag particles as described: the mass ratio of the hydrochloric acid solution is 1: (2.4~2.8), add the hydrochloric acid solution that concentration is 2~3mol / L in the described treatment ferrotitanium slag particles, stir 0.5 to 1 hour; then washed with water and filtered 2 to 3 times successively to obtain the precursor ferrotitanium slag particles.
[0047] Step 3: adding water accounting for 12-14wt% of the precursor ...
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