摘要
针对现有NOx排放在线监测系统无法准确、完整反映火电厂脱硝设备及排污状况动态变化的问题,建立了一种远程NOx排放实时在线监测系统,分析了系统的构成、数据采集及主要计算指标,并全面展示了系统的应用功能。火电厂NOx排放在线监测系统在采集火电厂侧烟气排放CEMS数据的基础上,全面采集了脱硝系统的设备运行数据,统计分析更加准确;系统以脱硝工艺流程实时展示单台机组的脱硝状态,配合关键指标刷新监测及数据超限报警进行全面NOx排放在线监测;采用统计报表平台实现实时数据及统计指标的及时处理;实时数据库与关系数据库相结合的数据存储方式保证了平台监测数据的透明、公开、公正。目前火电厂NOx在线监测系统已在某发电集团得到应用,实现下属火电机组污染物排放的实时监管,完成污染物排放数据的统计和分析,促进节能减排。
In order to improve the accuracy of online monitoring system and keep better track of denitration equipment and pollution dis-charge of thermal power plant,a real - time NOx emissions online monitoring system was built. The structure,data collection methods,main computation index and application of the system were introduced. Based on the date of continuous emission monitoring sys-tem,the operating data of denitration system was mastered. The analysis was more accurate. The denitration situation of unit was reflected by denitration process. The updating of key index was able to reminder excessive emissions and monitor NOx emissions fully. The prompt dispose of real-time data and statistical index had benefited from the statistics platform. The transparent,open and fair data was acquired by a compound data storage of real-time database and relational database. The application of the system in one power generation group re-alized real-time pollutant emission monitoring and data statistic analysis.
出处
《洁净煤技术》
CAS
2015年第2期93-96,共4页
Clean Coal Technology
基金
贵州电网2013年科研项目
