Novel powdery cement grinding aid and preparation method thereof
A cement grinding aid and powder technology, which is applied in the field of new powder cement grinding aid and its preparation, can solve the problems of powder cement grinding aid with many ingredients, cement strength enhancement effect is not obvious, and cement clinker consumption is large To achieve the effect of increasing the economic benefits of the enterprise, reducing the power consumption of grinding, and reducing the fineness of powder particles
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[0020] Example 1
[0021] The preparation method of the new powder cement grinding aid: Weigh 1kg of diethanolmonoisopropanolamine raw material into a special reactor, slowly add 1kg of hydrochloric acid while stirring, and control the addition time of hydrochloric acid within 10-15min After the addition of hydrochloric acid is complete, stir for another 10-15 minutes to prepare the surfactant.
[0022] Weigh 1kg of the above-mentioned surfactant into 1kg of water and stir evenly, then add 0.04g of foaming agent under stirring until it is completely dissolved, and continue stirring for 5-10min to uniformity to prepare a synergistic solution.
[0023] Weigh 4.85kg of fly ash and 3kg of sodium sulfate into the mixer and mix thoroughly, then add 0.15kg of the synergistic solution above, mash the block formed after adding the synergistic solution, and stir it evenly. Then add 2.0kg of sulphoaluminate cement and mix well to obtain powder cement grinding aid.
[0024] Mix 10kg of material ...
Example Embodiment
[0029] Example 2
[0030] The preparation method of the new powder cement grinding aid: Weigh 3kg of diethanolmonoisopropanolamine raw material into a special reactor, slowly add 2kg of hydrochloric acid while stirring, and control the addition time of hydrochloric acid within 10-15min After the addition of hydrochloric acid is complete, stir for another 10-15 minutes to prepare the surfactant.
[0031] Weigh 1kg of the above-mentioned surfactant into 1kg of water and stir evenly, then add 0.04g of foaming agent under stirring until it is completely dissolved, and continue stirring for 5-10min to uniformity to prepare a synergistic solution.
[0032] Weigh 4.0kg of fly ash and 3.5kg of sodium sulfate into the mixer and mix well, then add 0.2kg of the synergistic solution, mash the block formed after adding the synergistic solution, and stir it evenly. , Then add 2.3kg of sulphoaluminate cement and mix well to obtain powder cement grinding aid.
[0033] Mix 10kg of material according ...
Example Embodiment
[0037] Example 3
[0038] The preparation method of the new powder cement grinding aid: Weigh 2kg of diethanol monoisopropanolamine raw material into a special reactor, slowly add 1kg of hydrochloric acid while stirring, and control the addition time of hydrochloric acid within 10-15min After the addition of hydrochloric acid is complete, stir for another 10-15 minutes to prepare the surfactant.
[0039] Weigh 1kg of the above-mentioned surfactant into 1kg of water and stir evenly, then add 0.04g of foaming agent under stirring until it is completely dissolved, and continue stirring for 5-10min to uniformity to prepare a synergistic solution.
[0040] Weigh 6.0kg of fly ash and 2.5kg of sodium sulfate into the mixer and mix thoroughly, then add 0.1kg of the above synergistic solution, mash the block formed after adding the synergistic solution, and stir it evenly. , Then add 1.4kg of sulphoaluminate cement and mix well to obtain powder cement grinding aid.
[0041] Mix 10kg of materi...
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