Active-carbon thermal-insulation material and preparation method thereof
A thermal insulation material and activated carbon technology, applied in the field of carbon and materials, can solve problems such as poor thermal insulation effect, poor environmental conditions, complicated operation, etc., achieve low thermal conductivity, good thermal insulation effect, and reduce energy consumption.
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Embodiment example 1
[0014] (1) Preparation of activated carbon: put plant-based raw materials into a carbonization furnace, control the temperature between 400-450°C, and carbonize for 3 hours in an oxygen barrier, until all the materials turn black, then pulverize after cooling;
[0015] (2) Stirring and mixing: Pour activated carbon and carbon black into the stirring pot according to the weight ratio and stir for 15 minutes until the temperature reaches 75-85°C, add water / starch = 40% boiled pasty adhesive, continue stirring for 20 minutes, and keep the temperature 75-85 ℃, into a plastic paste;
[0016] (3) Molding: Add the hot paste that is stirred evenly into the molding machine, and the pressure is 4kg / cm 2 compression molding;
Embodiment example 2
[0018] (1) Preparation of activated carbon: put plant-based raw materials into a carbonization furnace, control the temperature between 400-450°C, and carbonize for 3 hours in an oxygen barrier, until all the materials turn black, then pulverize after cooling;
[0019] (2) Stirring and mixing: Pour activated carbon and carbon black into the stirring pot according to the weight ratio and stir for 20 minutes, the temperature reaches 90-110°C, add solid binder resin, continue stirring for 20 minutes, keep the temperature at 90-110°C, and form a plastic paste ;
[0020] (3) Molding: Add the hot paste that is stirred evenly into the molding machine, and the pressure is 4kg / cm 2 Molded.
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