One Of High Level Product Silicon Calcium

A method for in-situ preparation of microporous hard silicon calcium thermal insulation materials, all the raw materials of synthetic hard calcium silicate are directly placed in the mold for static hydrothermal reaction, so as to directly generate products, simplify the process flow, improve product quality, and facilitate the preparation of large-scale, special-shaped and ultra-light products. The products prepared by this method are widely used in petrochemical, electric power, metallurgy, building materials and other industrial fields.

1.A method for preparing microporous hard silicon calcium thermal insulation material in situ, its characteristics are as follows: process characteristics: quicklime digestion and filtration into lime slurry, mixed and stirred together with siliceous raw materials, water, cut fibers, all raw materials of synthetic calcium silicate are directly placed in the mold for static hydrothermal reaction, so as to directly generate the hard calcium silicate stone body of the required size and shape, and then only need to be cured by drying to obtain the bulk density is small, the product with excellent thermal insulation performance and considerable strength can be obtained; The preparation process parameters are: molding temperature: 180-250 °C, pressure: 18-1-40atm, water/solid ratio, 8-1-40:1; 

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