Method for preparing straw insulation board
A technology of thermal insulation board and straw, which is applied in sustainable waste treatment, solid waste management, climate sustainability and other directions, can solve the problems of high construction cost, high building energy consumption, unusable crop straw, etc., and achieves low production cost, Good volume stability and the effect of shortening the hardening time
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Embodiment 1
[0039] Adopt the following proportioning ratio material in the present embodiment:
[0040] Calcined desulfurized gypsum: 700kg
[0041] Shuangfei Powder: 260kg
[0042] 42.5 grade ordinary Portland cement: 35kg
[0043] Redispersible latex powder (EVA): 3kg
[0044] Saponin nonionic surfactant: 2kg
[0045] Corn straw powder: 2m 3
[0046] Vitrified beads: 1m 3
[0047] Water: 1200kg
[0048] Prepared by following steps:
[0049] a. Stir and mix the calcined desulfurized gypsum, Shuangfei powder, redispersible latex powder and 42.5 grade ordinary Portland cement in the above mass parts ratio, and form an inorganic gelling agent after adding water and mixing; b. Mix the above mass parts The proportion of saponin nonionic surfactant, add water according to 20 ~ 30 times the weight of the surfactant, mix and stir until a large number of bubbles are generated for use; c, the mixture prepared in step b is added to step a In the obtained inorganic gelling agent, stir and ...
Embodiment 2
[0051] Adopt the following proportioning ratio material in the present embodiment:
[0052] Calcined desulfurized gypsum: 750kg
[0053] Shuangfei Powder: 210kg
[0054] 42.5 grade ordinary Portland cement: 30kg
[0055] Redispersible latex powder (EVA): 5kg
[0056] Saponin nonionic surfactant: 5kg
[0057] Corn straw powder: 3m 3
[0058] Vitrified beads: 1m 3
[0059] Water: 1400kg
[0060] The specific preparation steps are the same as in Example 1.
Embodiment 3
[0062] Adopt the following proportioning ratio material in the present embodiment:
[0063] Calcined desulfurized gypsum: 800kg
[0064] Shuangfei Powder: 154kg
[0065] 42.5 grade ordinary Portland cement: 30kg
[0066] Redispersible latex powder (EVA): 8kg
[0067] Saponin nonionic surfactant: 8kg
[0068] Corn straw powder: 3m 3
[0069] Vitrified beads: 2m 3
[0070] Water: 1550kg
[0071] The specific preparation steps are the same as in Example 1.
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