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a kind of cement
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A cement, white cement technology, applied to cement. It can solve the problems of polluted water, soil and atmosphere, environmental pollution, damage to the ecological environment, etc., and achieve the effects of avoiding environmental damage, convenient use and low price.
Active Publication Date: 2016-09-14
湖北京兰水泥集团有限公司
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Problems solved by technology
These solid wastes have the disadvantages of large output and difficult disposal. Random stacking not only occupies land resources such as farmland, but also causes serious environmental pollution. If discharged into rivers, valleys, and lowlands, it will pollute water, soil, air, and destroy the ecological environment.
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Embodiment 1
[0018] A kind of cement, is made of following components by weight:
[0019] Ordinary Portland cement 25.5 parts,
[0020] 18.6 parts of industrial waste residue (coal ash),
[0021] 3.4 parts of white cement,
[0022] River sand (maximum particle size 5mm) 26 parts,
[0023] 3 parts of polypropylene fiber (length 10-30mm),
[0024] 7.8 parts of lime,
[0025] 6.5 parts of iron ore tailings.
Embodiment 2
[0027] A kind of cement, is made of following components by weight:
[0028] Ordinary Portland cement 20 parts,
[0029] 19 parts of industrial waste residue (iron ore powder and silica fume mixed in a weight ratio of 1:1),
[0030] 5 parts of white cement,
[0031] River sand (maximum particle size 5mm) 20 parts,
[0032] 3 parts of polypropylene fiber (length 10-30mm),
[0033] 10 parts lime,
[0034] Iron ore tailings 1 part.
Embodiment 3
[0036] A kind of cement, is made of following components by weight:
[0037] Ordinary Portland cement 25 parts,
[0038] 20 parts of industrial waste residue (iron ore powder),
[0039] 1 part white cement,
[0040] River sand (maximum particle size 5mm) 25 parts,
[0041] 5 parts of polypropylene fiber (length 10-30mm),
[0042] 5 parts lime,
[0043] Iron ore tailings 5 parts.
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Abstract
The invention provides environmentally-friendly cement. The environmentally-friendly cement comprises, by weight, 20-28 parts of ordinary portland cement, 15-20 parts of industrial waste residue, 1-5 parts of white cement, 20-30 parts of river sand, 1-5 parts of plastic fibers, 5-10 parts of lime and 1-10 parts of iron mine tailings. The environmentally-friendly cement has the advantages that 1, a price is low, industrial waste residue and iron mine tailings are used as main raw materials and various conventional components are used so that cost performance is high, 2, the environmentally-friendly cement is environmentally friendly, realizes recovery and recycle of various industrial solid waste materials, avoids damage to the environment and realizes change of waste into valuables, and 3, a use method is convenient, comprises that all the ingredients are mixed to form a uniform mixture and the mixture is added with water to form the environmentally-friendly cement by stirring and is free of special treatment.
Description
technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to cement. Background technique [0002] In the process of industrial production, a large amount of industrial waste residues such as coal ash, mineral powder and silica fume and various tailings will be produced. These solid wastes have the disadvantages of large output and difficult disposal. Random stacking will not only occupy land resources such as farmland, but also cause serious environmental pollution. If discharged into rivers, valleys, and lowlands, it will pollute water, soil, air, and destroy the ecological environment. . Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a kind of cement to make full use of various industrial solid wastes, realize the purpose of turning waste into wealth and protecting the environment. [0004] In order to solve the above problems, the present invention...
Claims
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Application Information
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