[1]刘万义①,耿图禹①,徐森①,等.硝酸铵溶液析晶点测量方法研究[J].爆破器材,2021,50(03):60-64.[doi:10.3969/j.issn.1001-8352.2021.03.012]
　LIU Wanyi,GENG Tuyu,XU Sen,et al.Study on Measurement Method of Crystallization Point of Ammonium Nitrate Solution[J].EXPLOSIVE MATERIALS,2021,50(03):60-64.[doi:10.3969/j.issn.1001-8352.2021.03.012]
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硝酸铵溶液析晶点测量方法研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年03
页码:
60-64
栏目:
安全与测试
出版日期:
2021-05-25

文章信息/Info

Title:
Study on Measurement Method of Crystallization Point of Ammonium Nitrate Solution
文章编号:
5468
作者:
刘万义①; 耿图禹①; 徐森①; 孙伟博②③; 王燕②③
①鞍钢矿业爆破有限公司(辽宁鞍山，114046)
②西安科技大学能源学院(陕西西安，710054)
③教育部西部矿井开采及灾害防治重点实验室(陕西西安，710054)
Author(s):
LIU Wanyi①;  GENG Tuyu①;  XU Sen①;  SUN Weibo②③;  WANG Yan②③
① Ansteel Mineral Industry Blasting Co., Ltd. (Liaoning Anshan, 114046)
② School of Energy Engineering, Xi’an University of Science and Technology (Shaanxi Xi’an, 710054)
③ Key Laboratory of Western Mine Exploitation and Hazard Prevention, Ministry of Education (Shaanxi Xi’an, 710054)
关键词:
硝酸铵; 析晶点; 测量; 温度
Keywords:
ammonium nitrate;  crystallization point;  measurement;  temperature
分类号:
TQ560
DOI:
10.3969/j.issn.1001-8352.2021.03.012
文献标志码:
A
摘要:
快速、准确地检测硝酸铵溶液析晶点对乳化炸药生产质量控制十分重要。为研究硝酸铵溶液析晶点的快速、准确的测量方法，从理论上分析了利用温度变化测量硝酸铵溶液析晶点的原理，设计了相应的测量实验装置，对硝酸铵溶液降温过程的温度变化进行了测量。结果表明：硝酸铵溶液降温过程中，在温度降低到析晶点前，溶液一直保持降温状态，当到达析晶点并析出硝酸铵晶体时，溶液温度在短时间内会有一个小幅度上升，升温幅度在0.3 ℃左右。硝酸铵溶液在有水浴的条件下比在空气中降温的测量结果更为准确。根据此原理设计的自动测量装置可以快速测量硝酸铵溶液的析晶点，能够满足炸药生产企业对硝酸铵溶液析晶点快速、准确测量的要求。
Abstract:
Quick and accurate detection of the crystallization point of ammonium nitrate solution is very important for the quality control of emulsion explosive production. In order to study the method for measuring the crystallization point of ammonium nitrate solution, the principle of measuring the crystallization point of ammonium nitrate solution by temperature change was analyzed, and a corresponding measurement experimental device was designed. The temperature change of the ammonium nitrate solution during cooling was measured. During the temperature reduction of ammonium nitrate solution, the temperature of the solution will remain cool until the temperature drops to the crystallization point. When the ammonium nitrate solution reaches the crystallization point and separates out the ammonium nitrate crystal, the temperature of solution will rise slightly in a short period of time, the rising range is around 0.3 ℃. The measurement results of ammonium nitrate solution with water bath are more accurate than that cooled in air. The automatic measuring device designed based on this principle can quickly measure the crystallization point of ammonium nitrate solution, which can meet the requirements of explosive manufacturers for fast and accurate measurement of the crystallization point of ammonium nitrate solution.

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备注/Memo

备注/Memo:
收稿日期：2020-04-03
第一作者：刘万义(1984－)，男，学士，工程师，主要研究方向为现场混装炸药制备技术及管理。E-mail: 50845444@qq.com
通信作者：孙伟博(1979－)，男，博士,讲师，主要研究方向为数字化爆破、矿山爆破技术及爆破装备。E-mail:sweibo@163.com
更新日期/Last Update: 2021-05-25