电磁场对换热表面CaCO3结垢行为及其形态影响的实验研究

doi:10.3969/j.issn.0438-1157.2013.10.031

化工学报 ›› 2013, Vol. 64 ›› Issue (10): 3708-3713.DOI: 10.3969/j.issn.0438-1157.2013.10.031

电磁场对换热表面CaCO₃结垢行为及其形态影响的实验研究

王建国, 李松, 黄俊峰, 李红延

东北电力大学自动化工程学院, 吉林省吉林市 132012

收稿日期:2013-02-26 修回日期:2013-05-22 出版日期:2013-10-05 发布日期:2013-10-05
通讯作者: 李松
作者简介:王建国(1963-),男,博士,教授。
基金资助:
国家自然科学基金项目(51176028);吉林省自然科学基金项目(201115179)

Effect of electromagnetic field on calcium carbonate fouling behavior and its morphology in heat exchanger

WANG Jianguo, LI Song, HUANG Junfeng, LI Hongyan

School of Automation Engineering, Northeast Dianli University, Jilin 132012, Jilin, China

Received:2013-02-26 Revised:2013-05-22 Online:2013-10-05 Published:2013-10-05
Supported by:
supported by the National Natural Science Foundation of China(51176028)and the Natural Science Foundation of Jilin Province(201115179).

摘要/Abstract

摘要： 基于水处理技术抑垢及缓蚀效果在线监测实验台,进行了换热器表面污垢在电磁处理下生长特性的半工业性实验研究。通过污垢热阻的在线监测跟踪换热器表面碳酸钙的结垢过程。利用Quanta 200扫描电子显微镜及X'Pert Pro X射线衍射仪对污垢样本的晶型、晶貌进行了定性和定量分析,表述了电磁场对碳酸钙晶型及晶貌的影响。实验结果表明:电磁场能降低换热器表面的结垢速率,垢样中方解石质量分数由100%降低为40.55%,文石质量分数增加为59.45%。

关键词: 电磁场, 结晶, 文石, 方解石

Abstract: Based on the online monitoring experimental rig of water treatment technology for fouling prevention and corrosion inhibition,the effect of electromagnetic field on CaCO₃ fouling behavior was studied.The crystallization of CaCO₃ was studied by monitoring the change of fouling resistance.The crystal form and crystal appearance of calcium carbonate fouling were qualitatively and quantitatively analyzed by Quanta 200 SEM and X'Pert Pro XRD to describe the effect of electromagnetic field on calcium carbonate fouling.Electromagnetic field could reduce the rate of scaling on the surface of heat exchanger. The mass fraction of the calcite of scale sample decreased from 100% to 40.55%,and the mass fraction of aragonite increased to 59.45%.

Key words: electromagnetic field, crystallization, aragonite, calcite

中图分类号:

TQ085

王建国, 李松, 黄俊峰, 李红延. 电磁场对换热表面CaCO₃结垢行为及其形态影响的实验研究[J]. 化工学报, 2013, 64(10): 3708-3713.

WANG Jianguo, LI Song, HUANG Junfeng, LI Hongyan. Effect of electromagnetic field on calcium carbonate fouling behavior and its morphology in heat exchanger[J]. CIESC Journal, 2013, 64(10): 3708-3713.

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电磁场对换热表面CaCO₃结垢行为及其形态影响的实验研究

Effect of electromagnetic field on calcium carbonate fouling behavior and its morphology in heat exchanger

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