高速混床树脂分离与输送过程的智能监控  

Intelligent Monitoring of Resins Separation and Transportation for Mixed Bed Polisher

作　　者：田文华[1] 雷俊茹[1] 祝晓亮[1] 钱殷[1] 叶洲[1] 刘屹然[1] 

机构地区：[1]西安热工研究院有限公司,陕西西安710054

出　　处：《中国电力》2015年第11期22-25,159,共5页Electric Power

摘　　要：由于缺乏有效的监控手段,电厂凝结水精处理系统的高速混床树脂分离与输送效果较差且很不稳定,严重影响高速混床的运行效果。为此,开发了一种树脂分离与输送智能监控装置。利用该装置,不但可准确判断树脂分离与输送终点,提高树脂分离度,还可根据需要调整阳阴树脂的配比,增加高速混床的周期制水量。2014年将该装置安装在海南某2×350 MW电厂的凝结水精处理系统上,使高速混床运行可靠性显著提高,周期制水量由26 000 m3增加至82 000 m3,再生次数大幅度减少,每年可节约高品质酸碱112 t、除盐水31 000 m3、新鲜水62 000 m3,树脂年补充率降低约3%,产生的直接经济效益约110万元/年。The poor and unstable effects of resins separation and transportation for the mixed bed （MB） polisher due to the lack of effective monitoring have greatly affected the operation of the MB polisher. An intelligent monitoring instrument of resins separation and transportation （IRIC） is therefore developed to solve this problem. This instrument is able to not only accurately inspect the terminal point of resins separation and transportation, improving separation effect of exhausted resins, but also adjust a ratio of cation to anion resins depending on the requirement to increase the periodic water production of the MB polisher. In 2014, IRIC was applied to the condensate polishing system in the 2x350-MW supercritical coal-fired units in Hainan. The operational reliability of the MB polisher has been highly improved, with the periodic water production being increased from 26 000 ru3 to 82 000 m3 times of resins regeneration have been significantly decreased, saving 112 tons of acid and base, 31 000 m3 of demineralized water and 62 000 m3 of fresh water; annual supplemental resins have been decreased by 3%, producing an annual direct benefit of about 1.1 million RMB.

关 键 词：电厂 凝结水精处理 高速混床 树脂分离与输送 树脂分离度 智能监控 

分 类 号：TM621[电气工程—电力系统及自动化]