Porous geopolymer-based phase-change energy storage material
A phase-change energy storage material and geopolymer technology, which is applied in the field of porous geopolymer-based phase-change energy storage materials and porous materials for phase-change energy storage, can solve the problems of inability to phase-change energy storage and achieve fast curing speed , large latent heat value, and the effect of reducing environmental energy consumption
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Embodiment 1
[0025] (1) Slurry configuration: kaolin with a fineness of 200-1000 mesh was calcined at 800° C. for 2 hours at a constant temperature to obtain metakaolin. Weigh 15 parts of metakaolin, 35 parts of 325 mesh slag, 15 parts of 2nd grade fly ash, 0.5 part of polypropylene fiber, 0.4 part of redispersible latex powder, and 0.005 part of phase change microcapsules with a phase transition temperature of 20°C, and Mix it uniformly with 50 parts of water glass with a modulus of 1.3 and a Baume degree of 40 to prepare a slurry for use.
[0026] (2) Configuration of composite foaming agent: Take 24 parts of hydrogen peroxide, 64 parts of water, 1 part of animal foaming aid prepared by animal foaming agent and water at a ratio of 1:50, 0.6 part of lauryl betaine, Mix well and set aside.
[0027] (3) Mix the slurry and the composite foaming agent at a weight ratio of 9:1, and stir at high speed for 20 minutes to obtain a foamed slurry.
[0028] (4) Pour the obtained foaming slurry into...
Embodiment 2
[0030] (1) Preparation of slurry: The preparation of metakaolin is the same as in Example 1. Weigh 20 parts of metakaolin, 45 parts of slag, 20 parts of fly ash, 1 part of polypropylene fiber, 0.8 part of redispersible latex powder, and 0.03 part of phase change microcapsules with a phase transition temperature of 25°C, mix and stir evenly Stir with 75 parts of water glass with a modulus of 1.2 and a Baume degree of 40 to obtain a slurry for use.
[0031] (2) Preparation of composite foaming agent: Take 35 parts of hydrogen peroxide, 75 parts of tap water, 0.8 part of coconut oil fatty acid diethanolamide, and 0.4 parts of animal foaming aid prepared by animal foaming agent and water at a ratio of 1:50. After mixing and stirring evenly, a composite foaming agent is obtained for use.
[0032] (3) Mix the slurry and the composite foaming agent according to the weight ratio of 38:1, and stir at high speed for 20 minutes to obtain the foamed slurry.
[0033] (4) Inject the foami...
Embodiment 3
[0035] (1) Preparation of slurry: The preparation of metakaolin is the same as in Example 1. Weigh 10 parts of metakaolin, 20 parts of slag, 10 parts of fly ash, 0.1 part of polypropylene fiber, 0.3 part of redispersible latex powder, and 0.03 part of phase change microcapsules with a phase transition temperature of 20°C. After mixing and stirring evenly, it is mixed with 30 parts of water glass having a modulus of 1.4 and a Baume degree of 40 to obtain a slurry for use.
[0036] (2) Preparation of composite foaming agent: Take 24 parts of hydrogen peroxide, 64 parts of water, 1 part of animal foaming aid prepared by animal foaming agent and water at a ratio of 1:60, 0.5 part of lauryl betaine, Mix well and set aside.
[0037] (3) Mix the slurry and composite foaming agent at a ratio of 30:1, and stir at high speed for 20 minutes to obtain a foamed slurry.
[0038] (4) Inject the foaming slurry into the mold to prepare the foam block, remove the mold after 2 hours to obtain ...
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