Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Fly ash-gold tailing-aerogel-based composite thermal insulation material and preparation method thereof
The invention discloses a fly ash-gold tailing-aerogel-based composite thermal insulation material and a preparation method thereof.The preparation method comprises the following steps that gold tailings are dried and then mechanically activated, and gold tailing sand is obtained; the preparation method comprises the following steps: uniformly mixing gold tailing sand, fly ash and cement according to a certain proportion to obtain a raw material; uniformly mixing a water reducing agent, an accelerator and a foam stabilizer according to a certain proportion to obtain an additive; the preparation method comprises the following steps: uniformly mixing and stirring EPS, SiO2 aerogel and 10% KH550 to obtain thermal insulation aggregate; sequentially adding the water, the raw materials, the additive and the thermal insulation aggregate into a powder mixer according to a certain proportion, and uniformly mixing to obtain slurry; diluting a foaming agent in proportion, and then foaming to obtain foam; the foam and the slurry are evenly mixed and then guided into a mold to be formed, room-temperature curing is conducted, and the fly ash-gold tailing-aerogel-based composite thermal insulation material is obtained. The composite thermal insulation material has good thermal insulation performance and mechanical performance.
本发明公开了一种粉煤灰‑金尾矿‑气凝胶基复合保温材料及其制备方法，所述制备方法包括以下步骤：将金尾矿干燥后进行机械活化，获得金尾矿砂；将金尾矿砂、粉煤灰和水泥按照一定比例进行混合均匀后，获得原料；将减水剂、速凝剂和稳泡剂按照一定的比例进行混合均匀后，获得添加剂；将EPS、SiO2气凝胶和10％的KH550混合搅拌均匀后，得到保温骨料；向粉体混料机中按照一定比例依次加入水、原料、添加剂和保温骨料后，混合均匀，获得料浆；将发泡剂按比例稀释，然后进行发泡获得泡沫；将泡沫与料浆混合均匀后导入模具成型，并进行室温养护，获得粉煤灰‑金尾矿‑气凝胶基复合保温材料。本发明的复合保温材料兼具良好的保温性能和力学性能。
Fly ash-gold tailing-aerogel-based composite thermal insulation material and preparation method thereof
The invention discloses a fly ash-gold tailing-aerogel-based composite thermal insulation material and a preparation method thereof.The preparation method comprises the following steps that gold tailings are dried and then mechanically activated, and gold tailing sand is obtained; the preparation method comprises the following steps: uniformly mixing gold tailing sand, fly ash and cement according to a certain proportion to obtain a raw material; uniformly mixing a water reducing agent, an accelerator and a foam stabilizer according to a certain proportion to obtain an additive; the preparation method comprises the following steps: uniformly mixing and stirring EPS, SiO2 aerogel and 10% KH550 to obtain thermal insulation aggregate; sequentially adding the water, the raw materials, the additive and the thermal insulation aggregate into a powder mixer according to a certain proportion, and uniformly mixing to obtain slurry; diluting a foaming agent in proportion, and then foaming to obtain foam; the foam and the slurry are evenly mixed and then guided into a mold to be formed, room-temperature curing is conducted, and the fly ash-gold tailing-aerogel-based composite thermal insulation material is obtained. The composite thermal insulation material has good thermal insulation performance and mechanical performance.
本发明公开了一种粉煤灰‑金尾矿‑气凝胶基复合保温材料及其制备方法，所述制备方法包括以下步骤：将金尾矿干燥后进行机械活化，获得金尾矿砂；将金尾矿砂、粉煤灰和水泥按照一定比例进行混合均匀后，获得原料；将减水剂、速凝剂和稳泡剂按照一定的比例进行混合均匀后，获得添加剂；将EPS、SiO2气凝胶和10％的KH550混合搅拌均匀后，得到保温骨料；向粉体混料机中按照一定比例依次加入水、原料、添加剂和保温骨料后，混合均匀，获得料浆；将发泡剂按比例稀释，然后进行发泡获得泡沫；将泡沫与料浆混合均匀后导入模具成型，并进行室温养护，获得粉煤灰‑金尾矿‑气凝胶基复合保温材料。本发明的复合保温材料兼具良好的保温性能和力学性能。
Fly ash-gold tailing-aerogel-based composite thermal insulation material and preparation method thereof
粉煤灰-金尾矿-气凝胶基复合保温材料及其制备方法
ZHANG TENG (Autor:in) / YIN HUAQUN (Autor:in) / MENG DELONG (Autor:in) / ZHANG MIN (Autor:in) / LIU YANGHUA (Autor:in) / XU JIAN (Autor:in) / LIU WEI (Autor:in) / XIONG JING (Autor:in)
30.12.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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