基于动量法的乏气送粉锅炉风粉在线监测系统及其在DCS上的实现  

ONLINE MONITORING SYSTEM OF AIR AND POWDERED COAL MIXTURE BASED ON MOMENTUMMETHOD FOR BOILERS USING EXHAUSTED GAS TO TRANSPORT PULVERIZED COAL, AS WELL AS ITS REALIZATION ON DCS SYSTEM

作　　者：吴智群[1] 郭怀保 师建斌[3] 巨林仓[1] 武宝会[3] 段建欣[3] 王勇[1] 

机构地区：[1]西安交通大学,陕西西安710049 [2]苇湖梁发电有限责任公司,新疆乌鲁木齐830017 [3]国电热工研究院,陕西西安710032

出　　处：《热力发电》2004年第4期24-27,共4页Thermal Power Generation

摘　　要：阐述了基于动量法的乏气送粉锅炉的煤粉浓度与风速的测量原理。在天生港电厂GKS 90 0 0DCS系统上开发了风粉在线监测系统 ,对系统的软硬件组成、测量的关键性技术、系统的可靠性与实用性等进行了介绍。系统可为运行人员及时监测锅炉风粉实况和进行燃烧优化调整提供有效手段。The principle of measuring pulverized coal concentration and air velocity for boilers using exhausted gas to transport pulverized coal has been expounded. An online monitoring syster of air and powdered coal mixture has been developed on GKS9000 DCS system in Tianshenggang Power Plant, the composition of hardware and software in the said system, key techniques of measurement, as well as the reliability and practicality of said system being presented. The said system can provide effective means for operators to monitor timely the real state of air and powdered coal mixture in the boiler, and to adjust optimally the combustion.

关 键 词：乏气送粉锅炉 风粉 在线监测系统 动量法 GKS-9000DCS 给粉机 天生港电厂 

分 类 号：TK229[动力工程及工程热物理—动力机械及工程] TM621.2[电气工程—电力系统及自动化]