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低电导率循环水的腐蚀控制研究和应用

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一些小型间冷开式循环水系统以RO产水、软水或其他低电导率的水源作为补水,使循环水系统中的总硬度维持在较低状态.对此类腐蚀性水质,碱度调节不当会增加循环水系统设备的腐蚀速率,影响设备使用寿命,设备内的锈蚀物沉积还会降低换热效率,不利于循环冷却水系统的稳定运行.采用传统方式投加缓蚀剂难以将腐蚀速率控制在国家标准以内,通过对比测试不同调节剂在此类系统中的实际使用情况,优化运行工艺,大幅度降低了系统的腐蚀速率,保证了系统安全稳定运行.
Research and Application of Corrosion Control of Circulating Water with Low Conductivity
Some small inter-cooled open circulating water systems adopt RO produced water,soft water or other low conductivity sources as make-up water to keep the total hard-ness in the circulating water system low.For such corrosive water quality,inappropriate alka-linity adjustment will increase the corrosion rate of the circulating water system equipment,affecting its service life.On the other hand,the deposition of rust and corrosion in the equipment will also reduce the efficiency of heat transfer,which is not conducive to the stable operation of the circulating cooling water system.It is difficult for the traditional way of adding corrosion inhibitors to control the corrosion rate at national standards.Through the comparative testing of different regulators in such systems in the actual use,the operation process is optimized,which significantly reduces the corrosion rate of the system and en-sures the safe and stable operation of the system.

intercooled open circulating cooling water systemlow conductivity make-up watermetal corrosionrust deposition

郑灿、田民格、孟晓刚、王守振

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欣格瑞(山东)环境科技有限公司,山东济宁 272000

间冷开式循环冷却水系统 低电导率补充水 金属腐蚀 铁锈沉积

2024

冶金动力
马钢(集团)控股有限公司

冶金动力

影响因子:0.154
ISSN:1006-6764
年,卷(期):2024.(1)
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