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Method for preparing soil stabilizer from AOD (argon oxygen decarburization) furnace nickel alloy refining slag
The invention belongs to the technical field of building materials, and particularly relates to a method for preparing a soil stabilizer from AOD furnace nickel alloy refining slag. The preparation method comprises the following steps: mixing the AOD furnace nickel alloy refining slag, ferric sulfate and water according to a certain ratio, and then grinding and sieving; and drying the undersize solution to prepare powder, doping fly ash into the powder, calcining, cooling, adding sodium metasilicate nonahydrate and ferrous sulfate into the dry material after cooling to room temperature, and grinding the mixture to prepare the soil stabilizer. The low-carbon inorganic soil stabilizer capable of being directly used is prepared from the AOD furnace nickel alloy refining slag, and high-value recycling of the low-carbon inorganic soil stabilizer is achieved.
本发明属于建筑材料技术领域,具体涉及一种AOD炉镍合金精炼渣制备土壤固化剂的方法。将AOD炉镍合金精炼渣、硫酸铁和水按一定配比混合,然后粉磨、过筛;取筛下溶液干燥制成粉料,再在粉料中掺入粉煤灰煅烧、冷却,待冷却至室温,在干料中加入九水偏硅酸钠和硫酸亚铁,将混合料粉磨制备土壤固化剂。本发明利用AOD炉镍合金精炼渣制备可直接使用的低碳型无机土壤固化剂,实现其高值化再生利用。
Method for preparing soil stabilizer from AOD (argon oxygen decarburization) furnace nickel alloy refining slag
The invention belongs to the technical field of building materials, and particularly relates to a method for preparing a soil stabilizer from AOD furnace nickel alloy refining slag. The preparation method comprises the following steps: mixing the AOD furnace nickel alloy refining slag, ferric sulfate and water according to a certain ratio, and then grinding and sieving; and drying the undersize solution to prepare powder, doping fly ash into the powder, calcining, cooling, adding sodium metasilicate nonahydrate and ferrous sulfate into the dry material after cooling to room temperature, and grinding the mixture to prepare the soil stabilizer. The low-carbon inorganic soil stabilizer capable of being directly used is prepared from the AOD furnace nickel alloy refining slag, and high-value recycling of the low-carbon inorganic soil stabilizer is achieved.
本发明属于建筑材料技术领域,具体涉及一种AOD炉镍合金精炼渣制备土壤固化剂的方法。将AOD炉镍合金精炼渣、硫酸铁和水按一定配比混合,然后粉磨、过筛;取筛下溶液干燥制成粉料,再在粉料中掺入粉煤灰煅烧、冷却,待冷却至室温,在干料中加入九水偏硅酸钠和硫酸亚铁,将混合料粉磨制备土壤固化剂。本发明利用AOD炉镍合金精炼渣制备可直接使用的低碳型无机土壤固化剂,实现其高值化再生利用。
Method for preparing soil stabilizer from AOD (argon oxygen decarburization) furnace nickel alloy refining slag
一种AOD炉镍合金精炼渣制备土壤固化剂的方法
ZHOU MIN (Autor:in) / ZHANG WEI (Autor:in) / NI JUNPENG (Autor:in) / CHEN FENG (Autor:in) / LI SHAOWEI (Autor:in) / XU GUOBIN (Autor:in) / HUANG JICHENG (Autor:in) / ZHOU MEIJUN (Autor:in) / ZHANG KUNJIAN (Autor:in) / HUANG QINZHENG (Autor:in)
20.10.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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