Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Chromium-reducing cement grinding aid and preparation method thereof
The invention provides a chromium-reducing cement grinding aid and a preparation method thereof. The invention aims to solve the technical problems that ferrous sulfate and a chromium-reducing type cement grinding aid in the prior art are gradually oxidized due to exposure in air and have influence on chromium-reducing effect and that requirements on use temperature are strict. The chromium-reducing cement grinding aid of the invention comprises the following components in parts by weight: 10-20 parts of alkylol amine, 5-15 parts of an inorganic salt, 2-20 parts of an organic acid and 45-83 parts of water. The chromium-reducing cement grinding aid prepared by the invention not only has the grinding aid effect of the grinding aid, but also has strong oxidation resistance, is suitable for long-term storage, and can prevent the chromium-reducing effect from being influenced by oxidation during storage; a finished product of the aid is a uniform solution, so pump blockage caused by precipitation accumulation can be avoided; the chromium-reducing cement grinding aid has excellent high-temperature-resistant performance and can well adapt to cement working condition temperature changes; and production process is simple, operation and quality control are easy, and obvious technical advantages and wide market prospects are achieved.
本发明提供了一种降铬型水泥助磨剂及其制备方法，解决了现有技术中的硫酸亚铁和降铬型水泥助磨剂，由于暴露于空气中，硫酸亚铁和降铬型水泥助磨剂均会逐渐被氧化，进而影响降铬效果，并且存在对使用温度要求严格的技术问题。其制备包括下述重量份的组分：醇胺10‑20份；无机盐5‑15份；有机酸2‑20份；水45‑83份。本发明制得的降铬型水泥助磨剂，不仅具有助磨剂本身的助磨效果，而且抗氧化性强，适合长期存放，可以避免存放被氧化而影响到降铬效果；成品为均匀溶液，可以避免沉淀积聚易出现堵泵现象；且耐高温性能优异，能很好地适应水泥工况温度的变化；生产工艺简单，易于操作和进行质量控制，具有明显的技术优势和广阔的市场前景。
Chromium-reducing cement grinding aid and preparation method thereof
The invention provides a chromium-reducing cement grinding aid and a preparation method thereof. The invention aims to solve the technical problems that ferrous sulfate and a chromium-reducing type cement grinding aid in the prior art are gradually oxidized due to exposure in air and have influence on chromium-reducing effect and that requirements on use temperature are strict. The chromium-reducing cement grinding aid of the invention comprises the following components in parts by weight: 10-20 parts of alkylol amine, 5-15 parts of an inorganic salt, 2-20 parts of an organic acid and 45-83 parts of water. The chromium-reducing cement grinding aid prepared by the invention not only has the grinding aid effect of the grinding aid, but also has strong oxidation resistance, is suitable for long-term storage, and can prevent the chromium-reducing effect from being influenced by oxidation during storage; a finished product of the aid is a uniform solution, so pump blockage caused by precipitation accumulation can be avoided; the chromium-reducing cement grinding aid has excellent high-temperature-resistant performance and can well adapt to cement working condition temperature changes; and production process is simple, operation and quality control are easy, and obvious technical advantages and wide market prospects are achieved.
本发明提供了一种降铬型水泥助磨剂及其制备方法，解决了现有技术中的硫酸亚铁和降铬型水泥助磨剂，由于暴露于空气中，硫酸亚铁和降铬型水泥助磨剂均会逐渐被氧化，进而影响降铬效果，并且存在对使用温度要求严格的技术问题。其制备包括下述重量份的组分：醇胺10‑20份；无机盐5‑15份；有机酸2‑20份；水45‑83份。本发明制得的降铬型水泥助磨剂，不仅具有助磨剂本身的助磨效果，而且抗氧化性强，适合长期存放，可以避免存放被氧化而影响到降铬效果；成品为均匀溶液，可以避免沉淀积聚易出现堵泵现象；且耐高温性能优异，能很好地适应水泥工况温度的变化；生产工艺简单，易于操作和进行质量控制，具有明显的技术优势和广阔的市场前景。
Chromium-reducing cement grinding aid and preparation method thereof
一种降铬型水泥助磨剂及其制备方法
XIONG YULAN (Autor:in) / HAN LI (Autor:in) / ZHANG CHONG (Autor:in) / WU XIAOBO (Autor:in) / YANG XIULAN (Autor:in) / LI YING (Autor:in) / ZHOU WEN (Autor:in) / QIN SHI (Autor:in)
11.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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