Grinding aid used for refractory material and preparation method thereof
A technology of refractory materials and grinding aids is applied in the field of refractory materials to achieve the effects of reducing grinding costs, reducing power consumption and improving grinding efficiency.
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Embodiment 1
[0013] A grinding aid for refractory materials and a preparation method thereof. The grinding aid is composed of 42-52 wt% oleic acid, 25-32 wt% mother liquor and 22-30 wt% triisopropanolamine.
[0014] The preparation method of the grinding aid is as follows: according to the above-mentioned composition and content, first add oleic acid into the mother liquor, stir at room temperature for 15-30 minutes; then add triisopropanolamine, and stir at room temperature for 10-20 minutes That is, the refractory material grinding aid is obtained.
[0015] The preparation method of the mother liquor is: under normal temperature conditions, first add 28-35wt% glycerol and 4-6wt% ethylene glycol into the container, stir for 10-20min; then add 2.5%-3wt% lignosulfonic acid Calcium and 2.4-3wt% sodium dodecylbenzenesulfonate are stirred for 10-20 minutes; then 6.0-8.0wt% ammonium acetate and 45-56wt% ethanol are added and stirred for 10-20 minutes to obtain the mother liquor.
[0016] Grind...
Embodiment 2
[0018] A grinding aid for refractory materials and a preparation method thereof. The grinding aid is composed of 55-65 wt% oleic acid, 28-36 wt% mother liquor and 5-10 wt% triisopropanolamine.
[0019] The preparation method of this grinding aid is with embodiment 1.
[0020] The preparation method of the mother liquor of this embodiment is: under normal temperature conditions, first add 25-34wt% glycerol and 3.5-5.6wt% ethylene glycol in the container, stir for 10-20min; then add 2.0%-2.8wt% Calcium lignosulfonate and 1.5-2.6wt% sodium dodecylbenzenesulfonate, stirred for 10-20min; then added 5.0-7.5wt% ammonium acetate and 50-62wt% ethanol, stirred for 10-20min Get the mother liquor.
[0021] Dolomite is ground in a planetary ball mill. Under the same conditions, the grinding result without grinding aid is: d (0.5) : 11.810~12.436 micron; Add the grinding aid prepared by the present embodiment to grind dolomite and the result is: d (0.5) : 6.902 ~ 7.941 microns, storage p...
Embodiment 3
[0023] A grinding aid for refractory materials and a preparation method thereof. The grinding aid is composed of 50-60 wt% oleic acid, 30-38 wt% mother liquor and 10-15 wt% triisopropanolamine.
[0024] The preparation method of this grinding aid is with embodiment 1.
[0025] The mother liquor preparation method of this embodiment is: under normal temperature conditions, first add 23~32wt% glycerol and 3.0~4.1wt% ethylene glycol in the container, stir for 10~20min; then add 1.0%~2.2wt% Calcium lignosulfonate and 1.2-1.8wt% sodium dodecylbenzenesulfonate, stirred for 10-20min; then added 3.6-5.2wt% ammonium acetate and 56-68wt% ethanol, stirred for 10-20min Get the mother liquor.
[0026] Grinding mullite in a planetary mill, under the same conditions, the grinding result without grinding aid is: d (0.5) : 11.033~11.980 micron; add the grinding aid prepared by the present embodiment to grind mullite and the result is: d (0.5) : 6.034 ~ 6.538 microns, shelf life of more than...
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