Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation process of ultra-pure magnesium oxide
The invention provides a preparation process of ultra-pure magnesium oxide, and relates to the technical field of chemical production. The preparation process of the ultra-pure magnesium oxide comprises the following steps: S1, grinding and sintering; s2, screening and chemical combination reaction; s3, screening and drying; s4, sorting and sintering again; and S5, removing iron and bagging. The preparation method comprises the following steps: grinding magnesite, sintering, screening out light calcined magnesia powder, putting the light calcined magnesia powder into a reaction kettle, carrying out a combination reaction on the light calcined magnesia powder and water, screening the light calcined magnesia powder after the reaction, drying, and sintering again, so that aggregates of powder particles are changed into agglomerates of crystal grains; the fineness of the high-purity magnesium oxide can be improved through the two sintering processes, the fineness of the purified light calcined magnesium oxide can reach 1900-2000 meshes, and the activity of the magnesium oxide prepared through the process can reach 92%. Impurities mixed in the light calcined magnesia can be removed through two times of high-temperature sintering, precipitation after the combination reaction and iron removal treatment, and the method is worthy of vigorous popularization.
本发明提供一种超高纯氧化镁的制取工艺，涉及化工生产技术领域。该超高纯氧化镁的制取工艺，包括以下步骤：S1.研磨烧结；S2.筛选和化合反应；S3.筛选和烘干；S4.分选和再次烧结；S5.除铁和装袋。通过将菱镁矿研磨后烧结，再筛选出轻烧氧化镁粉并投入反应釜内与水进行化合反应，反应后再将轻烧氧化镁进行筛分后烘干，随后再次进行烧结，将把粉末颗粒的聚集体变成为晶粒的聚结体，分别经过两次烧结工艺可提高高纯氧化镁的细度，提纯后的轻烧氧化镁的细度可达到1900～2000目，并且在活性方面使用该种工艺制取后的氧化镁活性能达到92％，通过两次高温烧结、化合反应后沉淀和除铁处理可将轻烧氧化镁中夹杂的杂质进行去除，值得大力推广。
Preparation process of ultra-pure magnesium oxide
The invention provides a preparation process of ultra-pure magnesium oxide, and relates to the technical field of chemical production. The preparation process of the ultra-pure magnesium oxide comprises the following steps: S1, grinding and sintering; s2, screening and chemical combination reaction; s3, screening and drying; s4, sorting and sintering again; and S5, removing iron and bagging. The preparation method comprises the following steps: grinding magnesite, sintering, screening out light calcined magnesia powder, putting the light calcined magnesia powder into a reaction kettle, carrying out a combination reaction on the light calcined magnesia powder and water, screening the light calcined magnesia powder after the reaction, drying, and sintering again, so that aggregates of powder particles are changed into agglomerates of crystal grains; the fineness of the high-purity magnesium oxide can be improved through the two sintering processes, the fineness of the purified light calcined magnesium oxide can reach 1900-2000 meshes, and the activity of the magnesium oxide prepared through the process can reach 92%. Impurities mixed in the light calcined magnesia can be removed through two times of high-temperature sintering, precipitation after the combination reaction and iron removal treatment, and the method is worthy of vigorous popularization.
本发明提供一种超高纯氧化镁的制取工艺，涉及化工生产技术领域。该超高纯氧化镁的制取工艺，包括以下步骤：S1.研磨烧结；S2.筛选和化合反应；S3.筛选和烘干；S4.分选和再次烧结；S5.除铁和装袋。通过将菱镁矿研磨后烧结，再筛选出轻烧氧化镁粉并投入反应釜内与水进行化合反应，反应后再将轻烧氧化镁进行筛分后烘干，随后再次进行烧结，将把粉末颗粒的聚集体变成为晶粒的聚结体，分别经过两次烧结工艺可提高高纯氧化镁的细度，提纯后的轻烧氧化镁的细度可达到1900～2000目，并且在活性方面使用该种工艺制取后的氧化镁活性能达到92％，通过两次高温烧结、化合反应后沉淀和除铁处理可将轻烧氧化镁中夹杂的杂质进行去除，值得大力推广。
Preparation process of ultra-pure magnesium oxide
一种超高纯氧化镁的制取工艺
WANG XIAOMING (Autor:in)
11.03.2022
Patent
Elektronische Ressource
Chinesisch
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