HZY-1脱硫添加剂在燃煤电厂湿法脱硫系统中的探究试验  

Exploratory test of desulfurization additive HZY-1 in wet desulfurization system of coal-fired power plants

作　　者：王强 WANG Qiang(Central-China Electric Power Test Research Institute,China Datang Corporation Science andTechnology Research Institute Company Limited, Zhengzhou 450000,China)

机构地区：[1]中国大唐集团科学技术研究院有限公司华中电力试验研究院,郑州450000

出　　处：《华电技术》2019年第5期13-16,21,共5页HUADIAN TECHNOLOGY

基　　金：国家重点研发计划项目(2018YFB0605000)

摘　　要：燃煤电厂普遍采用的是石灰石-石膏湿法烟气脱硫技术。随着国内电厂的脱硫系统的超低排放改造,改造后的脱硫系统普遍存在含硫量超设计值、脱硫效率低、制浆系统不能满足要求、石灰石的品质差等问题。脱硫添加剂作为一种类似活性剂的物质,可适量添加在湿法脱硫吸收塔的浆液中:这样一方面有利于浆液中石灰石的溶解和SO_2的吸收,促进脱硫系统效率的提升;另一方面当浆液处于较低pH值,能够避免脱硫设备发生结垢堵塞,维护系统稳定性。HZY-1脱硫添加剂的效果得到了探究试验的验证。Limestone-gypsum wet flue gas desulfurization technology is widely taken by coal-fired power plants. After desulfurization systems ultra-low emission transformation in domestic power plants,most of the desulfurization systems are of excessive sulfur content,low desulfurization efficiency and poor quality limestone,and the slurry making system can not meet the demand. Additive,act as active agent,can be add into the slurry of wet desulfurization absorption tower,which is beneficial to the dissolution of limestone,the absorption of SO2 in the slurry,and the efficiency improvement of desulfurization system. On the other hand,the slurry which is of a low pH range can prevent desulfurization devices from scaling and clogging and maintain the stability of the system.

关 键 词：湿法脱硫 含硫量 脱硫效率 脱硫添加剂 浆液 

分 类 号：TK284.4[动力工程及工程热物理—动力机械及工程]