High-property additive for cement fiber board and preparation method thereof
A cement fiber board, high-performance technology, applied in the field of cement fiber board, can solve the problem that the strength of fiber board is difficult to reach the corresponding standard, and achieve the effect of reducing the flexural strength and improving the tensile strength
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Embodiment 1
[0029] A kind of high-performance additive for cement fiber board of the present embodiment, comprises the raw material of following weight portion:
[0030] 22 parts of rice husk ash, 6 parts of inorganic composite ultrafine active filler, 3 parts of tailing sand, 9 parts of sulfuric acid slag mixed with steel slag powder, 2 parts of micro-silica fume, and 1 part of inorganic fiber.
[0031] The rice husk ash granularity of present embodiment is 2um, and specific surface area is 14m 2 / g.
[0032] The inorganic composite ultrafine active filler of the present embodiment is ultrafine Mg(OH) 2 , ultrafine diatomaceous earth, ultrafine AL(OH) 3 A mixture composed of 3:1:2 by weight.
[0033] The preparation method of sulfuric acid slag-doped steel slag powder in this embodiment is to mix sulfuric acid slag and steel slag powder, then heat-treat, then roast, then cool to room temperature, add dilute hydrochloric acid with a mass fraction of 20%, react for 22 minutes, and then ...
Embodiment 2
[0042] A kind of high-performance additive for cement fiber board of the present embodiment, comprises the raw material of following weight portion:
[0043] 26 parts of rice husk ash, 10 parts of inorganic composite ultrafine active filler, 6 parts of tailing sand, 13 parts of sulfuric acid slag mixed with steel slag powder, 5 parts of micro-silica fume, and 3 parts of inorganic fiber.
[0044] The rice husk ash granularity of present embodiment is 2um, and specific surface area is 14m 2 / g.
[0045] The inorganic composite ultrafine active filler of the present embodiment is ultrafine Mg(OH) 2 , ultrafine diatomaceous earth, ultrafine AL(OH) 3 A mixture composed of 3:1:2 by weight.
[0046] The preparation method of sulfuric acid slag-doped steel slag powder in this embodiment is to mix sulfuric acid slag and steel slag powder, then heat-treat, then roast, then cool to room temperature, add dilute hydrochloric acid with a mass fraction of 30%, react for 26 minutes, and th...
Embodiment 3
[0055] A kind of high-performance additive for cement fiber board of the present embodiment, comprises the raw material of following weight portion:
[0056] 24 parts of rice husk ash, 8 parts of inorganic composite ultrafine active filler, 4.5 parts of tailings sand, 11 parts of sulfuric acid slag mixed with steel slag powder, 3.5 parts of micro silica fume, 2 parts of inorganic fiber.
[0057] The rice husk ash granularity of present embodiment is 2um, and specific surface area is 14m 2 / g.
[0058] The inorganic composite ultrafine active filler of the present embodiment is ultrafine Mg(OH) 2 , ultrafine diatomaceous earth, ultrafine AL(OH) 3 A mixture composed of 3:1:2 by weight.
[0059] The preparation method of sulfuric acid slag-doped steel slag powder in this embodiment is to mix sulfuric acid slag and steel slag powder, then heat-treat, then roast, then cool to room temperature, add dilute hydrochloric acid with a mass fraction of 25%, react for 24 minutes, and th...
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