中国电力2012，Vol.45Issue(9)：80-84,5.
石灰-石膏法烟气脱硫系统塔内浆液pH值及密度测量改进
Improvement in pH Value and Density Measurement for Slurry in Tower of Lime-Gypsum FGD Systems
梁磊 1马洪玉 1丁华 1梁咏1
作者信息
- 1. 江苏中轶环境工程有限公司,江苏宜兴214214
- 折叠
摘要
Abstract
Scaling and wearing tend to happen on the sarnpling probe of pH meters and density meters used in lime-gypsum FGD system of thennal power plants,which leads to frequent clogging in the measuring pipeline and deviation, even distortion in pH value and density measurement for the desulfurization tower slurry.Therefore, an improved pM sampling device is designed, adopting the diaphragm pressure transmitter instead of the traditional densimeter. Combined with the FGD project for three 75-1/h circulating fluidized bed boilcrs in the No. 1 combined heat and power plant for Shanxi Datuhe Coking and Chemical Co Ltd., the principle and application of the design is introduced,The experimental results show that the improved pH sampling device can effectively protcct the samplig probe with better practicability and economics. The diaphragm pressure transmitter also has dual functions, I.e., mnnitoring the densily and liquid level of the slurry in the desulfurization tower, which requires less maintenance work and is more suitable for engineering upplication.关键词
烟气脱硫/石灰-石膏法/pH计/密度计/隔膜压力变送器Key words
FGD/ pH mcter/ density mreter/duaphragm pressurc trabsmitter分类
资源环境引用本文复制引用
梁磊,马洪玉,丁华,梁咏..石灰-石膏法烟气脱硫系统塔内浆液pH值及密度测量改进[J].中国电力,2012,45(9):80-84,5.
