Intermediate-hydration-heat composite cement and preparation method thereof
A technology of thermal compounding and cement, which is applied in the field of building materials, can solve the problems of not being able to be used as dam cement, general strength, low heat of hydration, etc., to avoid the influence of molding and performance, improve strength performance, and reduce heat of hydration Effect
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[0026] Example 1:
[0027] A medium-heat composite cement, including the following components by mass percentage:
[0028] (1) Portland cement clinker 40.0%%;
[0029] (2) 15.0% of aluminate cement clinker;
[0030] (3) Nano tin oxide 7.0%;
[0031] (4) Glass fiber 13.0%;
[0032] (5) Silicon powder 10.0%;
[0033] (6) Struvite 10.0%;
[0034] (7) Desulfurization gypsum 5.0%.
[0035] According to the preparation method provided by the present invention, the medium heat composite cement is prepared, and the preparation steps are as follows:
[0036] (1) Material preparation: accurately weigh each component according to its mass content;
[0037] (2) Grinding: Grind the components with a particle size greater than 1mm, until the average particle size reaches 200um;
[0038] (3) Pre-mixing: Mix the components together and stir evenly;
[0039] (4) Grinding: Grind the powdery material obtained in step (3) to an average particle size of 85um, which is to obtain medium heat composite cement.
Example Embodiment
[0040] Example 2:
[0041] A medium-heat composite cement, including the following components by mass percentage:
[0042] (1) Portland cement clinker 55.0%;
[0043] (2) 15.0% of aluminate cement clinker;
[0044] (3) Nano tin oxide 5.0%;
[0045] (4) Glass fiber 5.0%;
[0046] (5) Silicon powder 5.0%;
[0047] (6) Struvite 10.0%;
[0048] (7) Desulfurization gypsum 5.0%.
[0049] According to the preparation method provided by the present invention, the medium heat composite cement is prepared, and the preparation steps are as follows:
[0050] (1) Material preparation: accurately weigh each component according to its mass content;
[0051] (2) Grinding: Grind the components with a particle size greater than 1mm, until the average particle size reaches 200um;
[0052] (3) Pre-mixing: Mix the components together and stir evenly;
[0053] (4) Grinding: Grind the powdery material obtained in step (3) to an average particle size of 85um, which is to obtain medium heat composite cement.
Example Embodiment
[0054] Example 3:
[0055] A medium-heat composite cement, including the following components by mass percentage:
[0056] (1) Portland cement clinker 45.0%;
[0057] (2) 15.0% of aluminate cement clinker;
[0058] (3) Nano tin oxide 8.0%;
[0059] (4) Glass fiber 10.0%;
[0060] (5) Silicon powder 10.0%;
[0061] (6) Struvite 7.0%;
[0062] (7) Desulfurization gypsum 5.0%.
[0063] According to the preparation method provided by the present invention, the medium heat composite cement is prepared, and the preparation steps are as follows:
[0064] (1) Material preparation: accurately weigh each component according to its mass content;
[0065] (2) Grinding: Grind the components with a particle size greater than 1mm until the average particle size reaches 100-200um;
[0066] (3) Pre-mixing: Mix the components together and stir evenly;
[0067] (4) Grinding: Grind the powdery material obtained in step (3) to an average particle size of 30-85um, which is to obtain medium heat composite cement.
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