海洋工程装备高空腐蚀重要影响因素Cl<sup>-</sup>沉降速率研究

doi:10.11902/1005.4537.2019.206

中国腐蚀与防护学报

2020, Vol. 40

Issue (5): 474-478 DOI: 10.11902/1005.4537.2019.206

海洋材料腐蚀与防护专辑

本期目录 | 过刊浏览

海洋工程装备高空腐蚀重要影响因素Cl^-沉降速率研究

邓培昌¹, 钟杰¹, 王坤², 胡杰珍²(

), 李子运², 岑楚欣¹, 沈小涵¹

1 广东海洋大学化学与环境学院湛江 524088
2 广东海洋大学机械与动力工程学院湛江 524088

Important Influential Factor for Corrosion of High-altitude Marine Engineering Equipment in Atmosphere-chloride Ion Deposition Rate

DENG Peichang¹, ZHONG Jie¹, WANG Kun², HU Jiezhen²(

), LI Ziyun², CHEN Chuxin¹, SHEN Xiaohan¹

1 College of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China
2 College of Mechanical and Power Engineering, Guangdong Ocean University, Zhanjiang 524088, China

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摘要:

采用“风筝悬挂湿烛”大气Cl^-沉降速率样品收集方法，利用离子色谱法分析样品溶液Cl^-的浓度，获得了夏季不同月份、不同垂直高度近海大气中Cl^-沉降速率，利用Pearson相关系数法分析了环境因素对Cl^-沉降速率的影响。结果表明：南海岛屿夏季三个月大气Cl^-沉降速率在10~100 m范围内的垂向分布呈反“S”分布；南海岛屿夏季高空大气Cl^-沉降速率从6月到8月逐渐降低。

关键词 ： Cl^-, 风筝悬挂法, 沉降速率, Pearson相关系数

Abstract：

The deposition rate of Cl^- is the important influence factor for the corrosion of high-altitude marine engineering equipment in marine atmosphere. For sampling the Cl^- deposition rate at different heights, a so called “kite hanging wet-candles”method was invented, while the Cl^-concentrations of the collected samples were analyzed by ion chromatography. The effect of environmental factors on the Cl^- deposition rate was analyzed by the Pearson correlation coefficient method. At the Hainan island of the South China Sea, the distribution of the Cl^- deposition rates exhibits a reverse “S”-shape in the range of 10 m to 100 m vertical scope in the summer time, however, the Cl^- deposition rates were gradually reduced in the period from June to August.

Key words： Cl^- kite hanging wet-candle method sedimentation rate Pearson correlation coefficient method

收稿日期: 2019-11-13

ZTFLH:

TG174

基金资助:国家自然科学基金(51801033);广东大学生“海之帆-启航计划”(qhjh2018zr15)

通讯作者: 胡杰珍 E-mail: jiezhen0520@163.com

Corresponding author: HU Jiezhen E-mail: jiezhen0520@163.com

作者简介: 邓培昌，男，1975年生，博士，副教授

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引用本文:

邓培昌, 钟杰, 王坤, 胡杰珍, 李子运, 岑楚欣, 沈小涵. 海洋工程装备高空腐蚀重要影响因素Cl^-沉降速率研究[J]. 中国腐蚀与防护学报, 2020, 40(5): 474-478.
Peichang DENG, Jie ZHONG, Kun WANG, Jiezhen HU, Ziyun LI, Chuxin CHEN, Xiaohan SHEN. Important Influential Factor for Corrosion of High-altitude Marine Engineering Equipment in Atmosphere-chloride Ion Deposition Rate. Journal of Chinese Society for Corrosion and protection, 2020, 40(5): 474-478.

链接本文:

https://www.jcscp.org/CN/10.11902/1005.4537.2019.206 或 https://www.jcscp.org/CN/Y2020/V40/I5/474

图1 Cl-沉降速率采样装置示意图

图2 湿烛示意图

表1 不同月份中不同垂直高度Cl-沉降速率

表2 不同月份的环境因素

图3 不同垂直高度与Cl-沉降速率的关系

图4 夏季高空Cl-沉降速率变化图

表3 Cl-沉降速率与环境因素的Pearson相关性

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