Production method of cement-based grouting material
A production method and cement-based technology, which is applied in the field of building materials, can solve the problems of water reducers such as stickiness, quality fluctuation, and high cost, and achieve the effects of reducing evaporation energy consumption, reducing drying temperature, and increasing surface area
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Embodiment 1
[0035] Use double-cone rotary vacuum dryer equipment, put in 1000Kg of quartz sand, 20Kg of polycarboxylate water reducer with 40% solid content, use double cone rotary vacuum dryer to heat up and vacuumize to dry, and obtain polycarboxylate water reducer. Pretreated quartz sand, referred to as pretreated quartz sand. Produce cement-based grouting material products according to the predetermined ratio; throw in 540Kg of dried quartz sand, 60Kg of pretreated quartz sand, 400Kg of Portland cement, 10Kg of redispersible polymer rubber powder, and 1Kg of yellow dextrin, just mix and pack evenly.
Embodiment 2
[0037] Use a horizontal shaft mixer, put in 1000Kg of quartz sand, 20Kg of polycarboxylate superplasticizer with 40% solid content, stir well for 5 minutes, then take out the pot, spread the quartz sand on the plastic film, and dry it in the sun until the quartz Until the surface of the sand becomes dry, the pretreated quartz sand containing polycarboxylate superplasticizer is obtained, referred to as pretreated quartz sand. Produce cement-based grouting material products according to the predetermined ratio; throw in 540Kg of dried quartz sand, 60Kg of pretreated quartz sand, 400Kg of Portland cement, 10Kg of redispersible polymer rubber powder, and 1Kg of yellow dextrin, just mix and pack evenly.
Embodiment 3
[0039] Use a horizontal shaft mixer, put in 1000Kg of quartz sand, 20Kg of polycarboxylate superplasticizer with 40% solid content, stir well for 5 minutes, then take out the pot, spread the quartz sand on the plastic film, and dry it in the sun until the quartz Until the surface of the sand becomes dry, the pretreated quartz sand containing polycarboxylate superplasticizer is obtained, referred to as pretreated quartz sand. Produce cement-based grouting products according to a predetermined ratio; throw in 540Kg of dried quartz sand, 60Kg of pretreated quartz sand, 350Kg of Portland cement, 10Kg of redispersible polymer rubber powder, and 1.2Kg of yellow dextrin, just mix and pack evenly.
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