Portland cement clinker, and preparation method and production equipment thereof
A Portland cement and production equipment technology, applied in cement production, etc., can solve the problems of endangering personal safety, not exceeding 10%, occupying land resources, etc., to reduce the amount of coal fed, improve the decomposition rate, and reasonable particle gradation Effect
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Embodiment 1
[0029] A Portland cement clinker, the cement clinker formula includes 80-84% of limestone, 4-8% of dedusting ash, 4-8% of graphite tailings, and 4-6% of silica.
[0030] 2. A Portland cement clinker according to claim 1, characterized in that, the Cao in the limestone is greater than 47%, and the SiO in the silica 2 More than 80%, Fe in dust removal ash 2 o 3 More than 40%, Al in graphite tailings 2 o 3 Greater than 17%.
[0031] The preparation method of Portland cement clinker comprises the following steps:
[0032] S1: Put the raw material prepared according to the proportion into the raw material mill for grinding, and control the amount of water spraying at 0.5-2 cubic meters per hour while grinding, and the grinding pressure at 8Mpa;
[0033] S2: drying the raw meal after grinding, wherein the comprehensive moisture content of the incoming raw meal is less than 5%, and the moisture content of the outgoing raw meal is less than 0.5%;
[0034] S3: pass the dried raw ...
Embodiment 2
[0046] A Portland cement clinker, the cement clinker formula includes 81.8% of limestone, 6.1% of dedusting ash, 6.4% of graphite tailings, and 5.6% of silica. Production mode is the same as embodiment one.
Embodiment 3
[0048] A Portland cement clinker, the cement clinker formula includes 80.4% of limestone, 7.2% of dedusting ash, 7.4% of graphite tailings, and 5% of silica. Production mode is the same as embodiment one.
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