Production method of active calcium silicate
A technology of active calcium silicate and production method, which is applied in the direction of silicate, alkaline earth metal silicate, alumina/aluminum hydroxide, etc., can solve the problem of high impurity content, achieve product quality assurance, reduce control difficulty, and improve Yield Effect
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Embodiment 1
[0024] A kind of production method of active calcium silicate, concrete method is as follows:
[0025] The quicklime produced by calcination of limestone is cooled to 100°C, sieved through a finished product vibrating screen to remove quicklime and impurities with a particle size of less than 10mm, and used in the raw slurry preparation process of the alumina production system to collect quicklime particles with a particle size of more than 10mm. And sent to the lime machine to make milk of lime with a concentration of 180g / L;
[0026] The above-mentioned milk of lime with a concentration of 180g / L is subjected to centrifugal sedimentation with a cyclone, the overflow is refined milk of lime with a particle size of less than 75 μm, and the underflow is centrifugal sediment with a particle size of more than 75 μm, which is used for the preparation of raw slurry in the alumina production system process;
[0027] The main component SiO 2 The pre-desilicate sodium silicate feed ...
Embodiment 2
[0031] A kind of production method of active calcium silicate, concrete method is as follows:
[0032] The quicklime produced by calcination of limestone is cooled to 90°C, sieved through a finished product vibrating screen to remove quicklime and impurities with a particle size of less than 10mm, and used in the raw slurry preparation process of the alumina production system to collect quicklime particles with a particle size of more than 10mm. And sent to the lime machine to make milk of lime with a concentration of 170g / L;
[0033] The above-mentioned milk of lime with a concentration of 170g / L is subjected to centrifugal sedimentation with a cyclone, the overflow is refined milk of lime with a particle size of less than 75 μm, and the underflow is centrifugal sediment with a particle size of more than 75 μm, which is used for raw slurry preparation of the alumina production system process;
[0034] The main component SiO 2 The pre-desilicate sodium silicate feed liquid w...
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