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电厂排污有了监督员
2017-08-23 08:38:15 中国青年网
本报讯“永安电厂2号机组综合排放浓度指数13.1,烟尘1毫克每立方米,二氧化硫4.5毫克每立方米……”8月21日15时48分,在国网河南电力调控中心监控大屏上,全省统调燃煤发电机组污染物排放数值实时更新显示。“电厂排放标准如果不合格,系统会自动显示红色告警。”调度员杜晓勇说,他和同事现在都成了全省统调燃煤电厂的义务环保监督员。
在我省的发电结构中,燃煤机组发电占比超过八成,实现全省电量节能环保调度,做好燃煤机组减排优化调度尤为重要。
自2016年以来,省电力公司一方面积极采购专业监测设备,完成全部统调燃煤发电机组各类环保数据采集监控;另一方面,以省电力公司电力科学研究院为技术支撑单位,建成“河南统调燃煤发电机组超低排放环保监控系统”(简称“监控系统”)。
如今,监控系统建设又有新进展,二期完成24个主场景和54个子场景的开发,目前该系统32个主场景和72个子场景全部开发并部署完毕。据了解,监控系统是利用“大数据分析+动态可视化”等技术,实现对全省144台统调燃煤机组排放二氧化硫、氮氧化合物、烟尘等信息的全面覆盖和集中监控。
“该系统每小时可接收350多万条数据,不仅实现了对各机组及京津冀传输通道的大气污染物排放信息实时监测,而且可提供机组环保指标排序、不同容量等级机组的单位电量大气污染物排放强度计算、分区域排放总量监控等功能。”河南电科院有关负责人说。
今年上半年,国网河南电力利用该系统对超低排放机组大气污染物排放情况进行实时有效监控,及时获取超标及异常报警,采取调节出力、降负荷等措施,开展节能环保调度。我省统调燃煤发电机组大气污染物排放总量同比大幅下降,达标投运率逐步上升,平均排放浓度均明显低于超低排放标准,尤其烟尘排放浓度仅为排放标准的27%,为我省打赢大气污染防治攻坚战奠定坚实基础。
(王丹景冬冬)
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