无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ

无机盐工业 ›› 2012, Vol. 44 ›› Issue (2): 17-.

• 论文 • 上一篇    下一篇

活性石灰煅烧条件及其活性评价指标的研究

王树轩1,李 宁1,李 波1,李玉龙1,2   

  1. 1.中国科学院青海盐湖研究所,青海西宁 810008;2.中国科学院研究生院
  • 出版日期:2012-02-10 发布日期:2012-02-13

Study on calcination conditions and activity evaluation indexes of active lime

Wang Shuxuan1,Li Ning1,Li Bo1,Li Yulong1,2   

  1. 1.Qinghai Institute of Salt Lakes,Chinese Academy of Scineces,Xining 810008,China;
    2.Graduate University,Chinese Academy of Scinece
  • Online:2012-02-10 Published:2012-02-13

摘要: 研究了不同粒径石灰石和煅烧条件对活性石灰的影响。并对比了石灰活性评价的2种指标,即活性度法和碳化率(EDTA)法。 在700 ℃下预热1 h、1 150 ℃下煅烧石灰石,结果表明,粒径为1~2 cm石灰石煅烧后所得石灰活性高于粒径为4~5 cm的石灰活性。在相同的粒径下, 1 150 ℃下煅烧的活性优于700 ℃下预热1 h、1 150 ℃下煅烧的活性。实验表明,采用活性度法和EDTA法测定石灰活性的结果基本一致,都能定性地衡量石灰活性。

关键词: 活性度法, 石灰, 石灰石, 碳化率法

Abstract: Different particle diameters and calcination conditions that affect active lime were investigated,and two evaluation indexes of activity of active lime were compared as well:activity degree method and carbonation rate(EDTA) method.Results showed when lime stone that was preheated at 700 ℃ for 1 h,and then calcined at 1 150 ℃,the lime that particle diameter between 1~2 cm had higher activity than that particle diameter between 4~5 cm;when the particle diameters were the same,the activity of lime that was calcined at 1 150 ℃ had higher activity than that was preheated at 700 ℃ for 1 h firstly and then calcined at 1 150 ℃.Activity degree method and EDTA method were used for determination of activity of lime respectively,and the results were basically in accordance with each other.

Key words: activity degree method, lime, limestone, carbonation rate

中图分类号: