技术进步条件下环境卫生防护距离合理性案例研究
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摘要
指出了随着技术的进步,大气污染物排放量的降低,现有企业与周边环境敏感目标之间的防护距离不能满足相关法规政策要求,因此探究不同技术改革以及污染治理措施下的卫生防护距离的合理性显得尤为重要。确定卫生防护距离的方法有:计算公式法、行业标准法以及AERMOD模型模拟法。以某铝业公司电解铝三期、四期工程为例,对其卫生防护距离的合理性分析可知:在三期工程的基础上,四期工程进行技术改革,根据无组织废气排放量算出三期工程的卫生防护距离为1200m,四期为800m。四期工程对废气处理采用干法净化技术以及设置通风除尘系统,计算可得四期工程的卫生防护距离为800m。而四期工程拟建初期环评报告表设置的卫生防护距离是1000m。结果表明:这类技术改革以及污染防治措施的利用使得卫生防护距离的缩小,这有利于多余空地的合理规划,对居民的生活健康也有保障,所以技改和采取污染防治措施后的卫生防护距离更具有合理性。
With the progress of technology,the emission of atmospheric pollutants has decreased.The protection distance between the existing enterprises and the sensitive targets of the surrounding environment cannot meet the relevant regulatory policy requirements.Therefore,it is very important to explore the rationality of health protection distance under different technological reforms and pollution control measures.The methods to determine the distance of health protection are:formula method,industry standard method and AERMOD model simulation method.In this paper,the third stage and the fourth stage projects of electrolytic aluminum in an aluminum company are used as an example.The rationality analysis of its health protection distance is known.On the basis of the third stage project,the fourth stage project carry out technological reform.The health protection distance of the three-phase project according to the unorganized exhaust emission is 1200 mand the fourth period is 800 m.The four-phase project adopts dry cleaning technology and ventilation dust removal system,and the health protection distance of the four-phase project is 800 m.The health protection distance measured in the initial EIA report of the four-stage project is 1000 m.Such technological reforms and the use of pollution control measures have reduced the distance of health protection,which is conducive to the reasonable planning of surplus space,and also to the residents' living health.Therefore,it is more reasonable to improve the health protection distance from technological reforms and pollution control measures.
With the progress of technology,the emission of atmospheric pollutants has decreased.The protection distance between the existing enterprises and the sensitive targets of the surrounding environment cannot meet the relevant regulatory policy requirements.Therefore,it is very important to explore the rationality of health protection distance under different technological reforms and pollution control measures.The methods to determine the distance of health protection are:formula method,industry standard method and AERMOD model simulation method.In this paper,the third stage and the fourth stage projects of electrolytic aluminum in an aluminum company are used as an example.The rationality analysis of its health protection distance is known.On the basis of the third stage project,the fourth stage project carry out technological reform.The health protection distance of the three-phase project according to the unorganized exhaust emission is 1200 mand the fourth period is 800 m.The four-phase project adopts dry cleaning technology and ventilation dust removal system,and the health protection distance of the four-phase project is 800 m.The health protection distance measured in the initial EIA report of the four-stage project is 1000 m.Such technological reforms and the use of pollution control measures have reduced the distance of health protection,which is conducive to the reasonable planning of surplus space,and also to the residents' living health.Therefore,it is more reasonable to improve the health protection distance from technological reforms and pollution control measures.
引文
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[15]付鹏,潘峰,莫欣岳,等。不同地形条件下炼油污水处理装置卫生防护距离问题探讨[J].环境影响评价,2015(6):52~56.
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[2]邹味莲,于苏俊.环境影响评价中大气环境防护距离和卫生防护距离的探讨[J].青海环境,2013,23(1):23~25.
[3]李友鹏,潘峰,等.大型新型干法水泥生产企业防护距离设置探讨[J].环境工程,2010(38):422~424.
[4]刘明清,赵肖,曾环木.建设项目防护距离的确定原则与方法[J].环境科学与技术,2011,34(12H):370~374.
[5]高子亭.汽车制造厂卫生防护距离研究[J].长春:吉林大学,2012.
[6]高子亭.汽车制造厂卫生防护距离研究[J].长春:吉林大学,2012.
[7]巫明娟.石化企业卫生防护距离的合理性研究[J].中国石油大学,2011.
[8]李友鹏,潘峰,许生辉,等.水泥企业卫生防护距离设置的探讨[J].气象与环境学报,2010,26(3):69~71.
[9]GB/T13201-91,制定地方大气污染物排放标准的技术方法.
[10]孙文全.大气环境防护距离和卫生防护距离的案例分析[J].科技传播,2010(33):64~65.
[11]刘仁志,张志娇,贾彦鹏.AERMOD模型在规划环境影响评价中的应用[J].应用基础与工程科学,2012(20):96~106.
[12]赵东风,巫明娟,等.AERMOD用于沿海石化企业卫生防护距离计算的分析[J].环境科技,2011,24(1):53~57.
[13]Gong Huijuan.Analyses the application of AERMOD in the atmospheric environmental impact assessment[J].Henan Chemical Industry,2010,27(3):32~33.
[14]付金杯,李冰晶,马卫东.石化企业酸性水汽提装置防护距离确定的方法的比较[J].安全与环境工程,2013(1):89~93.
[15]付鹏,潘峰,莫欣岳,等。不同地形条件下炼油污水处理装置卫生防护距离问题探讨[J].环境影响评价,2015(6):52~56.
[16]樊俊钊.年产28万吨电解铝厂电解槽系列的槽型选择及整流方案的分析与研究[D].沈阳:东北大学,2001.
[17]肖筱瑜,张静.电解铝生产污染防治措施分析[J].广州化工,2013(20):123~124.
[18]兰涛,张晓瑜,武征.电解铝厂环境防护距离的实例分析[J].工业安全与环保,2013,39(9):86~88.
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