Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alkali-free liquid accelerator containing fluosilicate as well as preparation method and application of alkali-free liquid accelerator
The invention relates to an alkali-free liquid accelerator containing fluosilicate and a preparation method and application of the alkali-free liquid accelerator. The alkali-free liquid accelerator is prepared from, by weight, 46-53 parts of aluminum sulfate, 5-12 parts of magnesium fluosilicate, 2.5-5.0 parts of diethanol amine, 0.1-0.5 part of triethanolamine, 0.5-2.0 parts of anhydrous sodium sulphate and 27.5-45.9 parts of water. The alkali-free liquid accelerator is prepared through the following steps: (1) taking the aluminum sulfate, adding the aluminum sulfate into a reaction container, pouring water, heating in a water bath and keeping constant temperature; (2) sequentially adding the magnesium fluosilicate, diethanol amine, triethanolamine and anhydrous sodium sulphate respectively under a stirring condition; and (3) continuously stirring and reacting until natural cooling. The accelerator is applied to sprayed concrete. Compared with the prior art, the invention has the advantages of short cement final setting time, high stability, high 1d strength and the like.
本发明涉及一种含有氟硅酸盐的无碱液体速凝剂及其制备方法和应用，该速凝剂包括以下重量份组分：硫酸铝46‑53份，氟硅酸镁5‑12份，二乙醇胺2.5‑5.0份，三乙醇胺0.1‑0.5份，元明粉0.5‑2.0份，水27.5‑45.9份，经过以下步骤制备得到：(1)取硫酸铝加入到反应容器中，将水倒入，水浴加热并保持恒温；(2)在搅拌条件下，依次间隔加入氟硅酸镁、二乙醇胺、三乙醇胺和元明粉；(3)持续搅拌反应至自然冷却，该速凝剂应用于喷射混凝土中。与现有技术相比，本发明具有使水泥终凝时间短、稳定性高、1d强度高等优点。
Alkali-free liquid accelerator containing fluosilicate as well as preparation method and application of alkali-free liquid accelerator
The invention relates to an alkali-free liquid accelerator containing fluosilicate and a preparation method and application of the alkali-free liquid accelerator. The alkali-free liquid accelerator is prepared from, by weight, 46-53 parts of aluminum sulfate, 5-12 parts of magnesium fluosilicate, 2.5-5.0 parts of diethanol amine, 0.1-0.5 part of triethanolamine, 0.5-2.0 parts of anhydrous sodium sulphate and 27.5-45.9 parts of water. The alkali-free liquid accelerator is prepared through the following steps: (1) taking the aluminum sulfate, adding the aluminum sulfate into a reaction container, pouring water, heating in a water bath and keeping constant temperature; (2) sequentially adding the magnesium fluosilicate, diethanol amine, triethanolamine and anhydrous sodium sulphate respectively under a stirring condition; and (3) continuously stirring and reacting until natural cooling. The accelerator is applied to sprayed concrete. Compared with the prior art, the invention has the advantages of short cement final setting time, high stability, high 1d strength and the like.
本发明涉及一种含有氟硅酸盐的无碱液体速凝剂及其制备方法和应用，该速凝剂包括以下重量份组分：硫酸铝46‑53份，氟硅酸镁5‑12份，二乙醇胺2.5‑5.0份，三乙醇胺0.1‑0.5份，元明粉0.5‑2.0份，水27.5‑45.9份，经过以下步骤制备得到：(1)取硫酸铝加入到反应容器中，将水倒入，水浴加热并保持恒温；(2)在搅拌条件下，依次间隔加入氟硅酸镁、二乙醇胺、三乙醇胺和元明粉；(3)持续搅拌反应至自然冷却，该速凝剂应用于喷射混凝土中。与现有技术相比，本发明具有使水泥终凝时间短、稳定性高、1d强度高等优点。
Alkali-free liquid accelerator containing fluosilicate as well as preparation method and application of alkali-free liquid accelerator
一种含有氟硅酸盐的无碱液体速凝剂及其制备方法和应用
SUN ZHENPING (Autor:in) / MA ZHEYU (Autor:in) / MU FANYUAN (Autor:in) / JI YANLIANG (Autor:in)
22.06.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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