A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention belongs to the technical field of concrete additives, and particularly relates to a preparation method of a concrete accelerator. The acidic wastewater is used as a basic raw material, alkaline liquid is avoided, then the acidic wastewater is mixed with the aluminum ash and the blast furnace slag, substances such as aluminum, magnesium and calcium in the acidic wastewater are dissolved through acidic substances, and then the acidic wastewater and the added particles are decomposed under the action of high temperature and high pressure, so that the content of metal salt is increased; fluosilicic acid metal salt are formed, then a flocculating agent is formed through monomer polymerization, and the formed substances are flocculated, so that the combination of particles is increased, an alcohol amine substance is formed through the reaction of ethanolamine and ethylene oxide, the dispersing performance of the accelerator can be effectively improved, and the concrete accelerator is formed.
本发明属于混凝土添加剂技术领域，具体涉及一种混凝土速凝剂的制备方法。本发明以酸性废水作为基础原料，避免了碱性液体的出现，其次再与铝灰及高炉渣进行混合，通过酸性物质，对其中的铝、镁、钙等物质进行溶解，再与添加颗粒在高温高压作用下，使其中添加颗粒进行分解，形成增加金属盐含量，形成氟硅酸类金属盐，随后通过单体聚合形成絮凝剂，对形成物质进行絮凝，增加颗粒的结合，利用乙醇胺、环氧乙烷进行反应，形成醇胺类物质，可以有效提高速凝剂的分散性能，从而形成混凝土速凝剂。
The invention belongs to the technical field of concrete additives, and particularly relates to a preparation method of a concrete accelerator. The acidic wastewater is used as a basic raw material, alkaline liquid is avoided, then the acidic wastewater is mixed with the aluminum ash and the blast furnace slag, substances such as aluminum, magnesium and calcium in the acidic wastewater are dissolved through acidic substances, and then the acidic wastewater and the added particles are decomposed under the action of high temperature and high pressure, so that the content of metal salt is increased; fluosilicic acid metal salt are formed, then a flocculating agent is formed through monomer polymerization, and the formed substances are flocculated, so that the combination of particles is increased, an alcohol amine substance is formed through the reaction of ethanolamine and ethylene oxide, the dispersing performance of the accelerator can be effectively improved, and the concrete accelerator is formed.
本发明属于混凝土添加剂技术领域，具体涉及一种混凝土速凝剂的制备方法。本发明以酸性废水作为基础原料，避免了碱性液体的出现，其次再与铝灰及高炉渣进行混合，通过酸性物质，对其中的铝、镁、钙等物质进行溶解，再与添加颗粒在高温高压作用下，使其中添加颗粒进行分解，形成增加金属盐含量，形成氟硅酸类金属盐，随后通过单体聚合形成絮凝剂，对形成物质进行絮凝，增加颗粒的结合，利用乙醇胺、环氧乙烷进行反应，形成醇胺类物质，可以有效提高速凝剂的分散性能，从而形成混凝土速凝剂。
Preparation method of concrete accelerator
一种混凝土速凝剂的制备方法
TAN GUIHONG (author)
2021-03-19
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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