现代辐射化学分析方法在水泥生产过程中的质量控制

IF 0.7 Q4 CHEMISTRY, ANALYTICAL Methods and Objects of Chemical Analysis Pub Date : 2019-01-01 DOI:10.17721/MOCA.2019.15-20
Y. Kuchirka, E. Volodarsky
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引用次数: 0

摘要

以中子活化法、x射线荧光法和x射线衍射法为基础的辐射测量技术是现代水泥生产质量管理体系的重要组成部分。通过对原材料和成品的复杂应用,可以实现对原材料和成品特性的高速准确测量,从而保证了水泥生产自动化水平的提高和水泥总体质量的提高。介绍了干法水泥生产过程的主要阶段,并通过对原料和成品进行化学分析的辐射方法,分析了干法水泥生产过程的质量控制要点。分析了在水泥连续生产中应用中子活化分析法的计量学问题,特别是应用中子活化分析法的测量系统的不确定度评定、静态和动态校准以及提高测量精度等问题。通过使用替代中子源、蒙特卡罗n粒子输运码方法进行中子活化分析、物理过程模拟和机器学习方法对所研究物质的光谱特征进行有效处理,表明了它们的改进方向。
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Cement Quality Control By Using Modern Radiation Methods Of Chemical Analysis In The Process Of Its Production
An essential part of modern quality management system in cement production is state-of-the-art radiation measurement technologies based on methods of neutron activation, X-ray fluorescence and X-ray diffraction chemical analysis of substance. The high speed and accuracy of measuring the characteristics of raw materials and finished products can be achieved by their complex application, thereby ensuring an improving in the level of automation of cement production and the quality of cement in general. The main stages of the portlandcement production process by dry method are considered, including the keypoints of quality control of their implementation by applying mentioned radiation methods of chemical analysis of raw materials and completed product. The metrological problems of their practical implementation in continuous cement production are analyzed, in particular problems of uncertainty assessment, static and dynamic calibration and increase of accuracy of measuring systems that implement neutron activation analysis methods. Shown the directions of their improvement by the use of alternative neutron sources, methods of Monte Carlo N-Particle Transport Code for neutron activation analysis physical processes simulation and machine learning for the efficient processing of spectral characteristics of investigated substances.
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来源期刊
CiteScore
1.00
自引率
14.30%
发文量
12
期刊介绍: The journal "Methods and objects of chemical analysis" is peer-review journal and publishes original articles of theoretical and experimental analysis on topical issues and bio-analytical chemistry, chemical and pharmaceutical analysis, as well as chemical metrology. Submitted works shall cover the results of completed studies and shall make scientific contributions to the relevant area of expertise. The journal publishes review articles, research articles and articles related to latest developments of analytical instrumentations.
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