Mixture for optimizing composite Portland cement
A technology of composite silicate and mixed materials, applied in cement production, etc., can solve the problems of inability to improve the compressive strength structure, unreasonable compressive strength structure, and high compressive strength, so as to achieve sustainable and healthy development and improve the compressive strength Strength structure, effect of reducing environmental load
Inactive Publication Date: 2015-03-11
INNER MONGOLIA MENGXI CEMENT CO LTD
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Problems solved by technology
[0003] Composite Portland cement (P.C32.5R) belongs to early-strength cement, its 3-day compressive strength is low, 28-day compressive strength is high, and the compressive strength structure is unreasonable
However, the existing mixed material varieties are relatively monotonous, which cannot improve the problem of unreasonable compressive strength structure
Method used
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Embodiment 1
[0010] An optimized composite Portland cement mixture, which includes the following components by weight: 40 tons of limestone scraps, 10 tons of fly ash, and 50 tons of slag; the added mass percentage of the mixture in the composite Portland cement is 12%.
Embodiment 2
[0012] An optimized composite Portland cement mixed material, which includes the following components by weight: 60 tons of limestone scraps, 10 tons of fly ash, and 30 tons of slag; the added mass percentage of the mixed material in the composite Portland cement is 13%.
Embodiment 3
[0014] An optimized composite Portland cement mixed material, which includes the following components by weight: 70 tons of limestone scraps, 10 tons of fly ash, and 20 tons of slag; the added mass percentage of the mixed material in the composite Portland cement is 14%.
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The invention discloses a mixture for optimizing composite Portland cement. The mixture comprises, by weight, 40-70 parts of limestone chip, 10 parts of fly ash and 20-50 parts of slag; and the mass percentage of the mixture in the composite Portland cement is 12-14%. The mixture can improve the compressive strength structure of the composite Portland cement, and optimizes the performances of the composite Portland cement; the mixture comprehensively utilizes industrial waste slag in surrounding environment, saves resources and energy, mitigates load of the environment, and is of great significance to realizing the sustainable healthy development of the cement industry; and the mixture reduces the production cost of cement, and the cost of cement production adopting the mixture is 6yuan/t lower than the cost of cement production adopting slag powder.
Description
Technical field: [0001] The invention relates to a cement mixed material, in particular to an optimized composite Portland cement mixed material. Background technique: [0002] Cement admixtures are mineral materials added to cement clinker during cement production. Cement admixtures can adjust cement grades and varieties, increase cement output, and reduce production costs; to a certain extent, improve certain properties of cement to meet the special technical requirements for cement in construction projects; at the same time, it can comprehensively utilize a large amount of industrial waste residue, which is environmentally friendly And the importance of energy saving. [0003] Composite Portland cement (P.C32.5R) is an early-strength cement, its 3-day compressive strength is low, 28-day compressive strength is high, and its compressive strength structure is unreasonable. However, its existing mixed wood varieties are relatively monotonous and cannot improve the problem of unre...
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IPC IPC(8): C04B7/26
CPCY02P40/10
Inventor 张永辉刘丽芬王惠杰彭云清张建华郝俊峰王子龙盛祥元贺曙光王新波田冬梅
Owner INNER MONGOLIA MENGXI CEMENT CO LTD
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