摘要
对鱼新街国控点空气质量自动监测站八方位污染源进行了排查,国控点监测数据显示:冬春季节PM_(2.5)、PM_(10)、SO_2小时平均值曲线波动趋势平缓,NO_x小时平均值曲线呈W形发展;从小时峰值点看:PM_(2.5)、PM_(10)、NO_x夜间比较集中,SO_2则是午间比较集中;污染源调查结果表明:国控点周边污染源负荷较大,有珞璜电厂总装机2 640MW发电机组、玖龙纸业,以及4个年产能共计930万t的水泥企业等大型污染源;其中珞璜电厂小时浓度与自动监测站小时浓度之间有较强的正相关,高架源仍然是重点污染源;重载汽车尾气、餐饮油烟、夜市烧烤也是影响国控点监测数据的重要原因。
The source of the air quality automatic monitoring station of the national controlled Yuxinjie Point was checked. The national controlled point Monitoring data show that Winter and Spring season PM_(2.5), PM_(10), SO_2 hour average curve fluctuation trend is flat, which of NO_x is W type; Viewed from the peak point of the hour: PM_(2.5)、PM_(10)、NO_x peak point centralize in night time, and which of SO_2 is centralize in midday. Pollution source survey results show that Large load of pollution sources around national control point, there are Luohuang Power Plant with 2640 MW generator Unit and New Dragon paper(Chongqing)Limited and 4 cement companies with an annual production capacity of 9.3 million t. the hourly concentration is strong positive correlation between the Luohuang Power plant and the automatic monitoring station. Elevated sources are still a key source of pollution. Heavy duty car exhaust, catering fumes, Night market barbecue is also an important reason to influence the monitoring data of national control points.
引文
[1] 华龙网.重庆落实“蓝天行动”冬春季百日攻坚各区展开巡查工作[EB/OL].http://cq.cqnews.net/html/2017-01/08/content_40193014.htm,2017-01-08.
[2] 重庆市巴南区统计局,国家统计局巴南调查队.2017年重庆市巴南区国民经济和社会发展统计公报 [EB/OL].http://www.cqbn.gov.cn/showinfo.asp?id=37856,2018-02-20.
[3] 胡敏.大型电站锅炉深度低氮燃烧耦合SNCR和SCR脱硝研究[D].浙江大学,2012.
[4] 常青.2×330MW石灰石—石膏湿法烟气脱硫装置运行控制优化研究[D].南昌:东华理工大学,2014.
[5] 常玉锋.横向双极静电除尘复合增效机理与应用技术研究[D].武汉科技大学,2017.
[6] 时立文.SPSS19.0统计分析从入门到精通[M].北京:清华大学出版社,2013:286-306.
[7] 孙晓芸,何川,陈黛雅,等.南京市不同功能区 2013—2016 年大气污染物观测分析[J].三峡生态环境监测,2017,2(4):10- 16.
[8] 郑坚,刘永明,夏明,等.汽车尾气对空气质量影响研究-以重庆市南岸区高速路及主干道为例[J].环境影响评价,2019,41(1):76- 78.
[9] 国务院.国发[2018]22号《打赢蓝天保卫战三年行动计划》[Z].2018.06.27.
[10] 重庆市人民政府.渝府办发[2018]134号《重庆市贯彻国务院打赢蓝天保卫战三年行动计划实施方案》[Z].2018.09.29.
[11] 国务院.国发[2013]37号《大气污染防治行动计划(大气十条)》[Z].2019.09.10.