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时间:2018-07-16
《河北百荣牧业科技有限公司年存栏2000头奶牛项目》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、河北百荣牧业科技有限公司年存栏2000头奶牛项目表6-6年、季、月平均风频统计表单位:%风向NNNENEENEEESESESSESSSWSWWSWWWNWNWNNWC一月7.839.6511.522.362.480.683.194.4710.1812.539.366.423.095.646.783.430.84二月9.4311.2714.369.877.324.274.643.535.168.026.472.281.541.244.134.561.20三月4.137.8212.948.246.752.433.545.3414.1215.706.452.362.121.
2、773.712.590.15四月3.292.744.143.254.872.793.056.3514.6818.046.155.572.463.143.223.070.01五月2.361.353.912.560.951.351.766.0627.2924.3410.497.133.772.702.431.490.14六月4.314.457.236.266.265.014.046.2617.7318.076.125.572.373.083.343.070.10七月4.034.455.795.387.136.018.3413.0620.7111.973.671.621.0
3、91.492.432.960.05八月6.199.1412.248.348.623.653.389.0212.119.554.712.031.622.042.434.310.82九月4.733.485.843.484.323.763.208.2022.2314.597.374.732.513.903.902.811.12十月5.526.869.699.426.462.704.314.5811.4310.637.674.313.913.644.583.500.95十一月10.1411.538.484.452.512.232.234.0412.3714.458.203.7
4、63.204.594.733.070.15十二月80.78.218.214.316.183.504.855.1211.039.154.852.293.245.398.077.270.41春季3.234.016.984.774.222.233.147.8521.5718.227.214.012.592.774.133.140.15夏季4.866.038.436.677.344.865.269.4815.8613.144.723.041.702.182.733.450.42秋季6.797.298.025.834.452.893.265.6015.3013.207.754.
5、273.224.044.413.120.74冬季8.259.8211.215.435.242.974.184.458.859.967.013.712.974.086.175.010.84年平均5.766.778.655.675.323.243.966.8715.4313.656.673.752.613.264.353.670.5455河北百荣牧业科技有限公司年存栏2000头奶牛项目图6-7全年级各季风向玫瑰图2河北百荣牧业科技有限公司年存栏2000头奶牛项目由表6-6及图6-7,区域风频最大的风向为S风向,风频为15.43%,连续三个风向角(SSE-S-SSW)的风频
6、之和为35.95%,大于30%,因此区域的主导风向为SSE-S-SSW。6.1.2污染源强本项目产生的废气污染物为搅拌车间产生的粉尘、沼气锅炉废气以及养殖区、牛粪堆场产生的恶臭等,项目大气污染源强点源调查参数见表6-7,面源源强调查参数见表6-8。表6-7点污染源强参数一览表序号污染源名称源强高度(m)出口内径(m)出口温度(℃)废气量(m3/h)源强(kg/h)1沼气锅炉烟尘80.4373367.50.00842NO280.4373367.50.000073SO280.4373367.50.0023表6-8面源源强调查参数污染源名称产生位置面源参数(m)污染物排放速
7、率(kg/h)高度(m)X边长(m)Y边长(m)NH3养殖区720126.50.018H2S0.001NH3牛粪堆场540120.009H2S0.0006粉尘搅拌车间640200.016.1.3预测气象条件与地形数据(1)气象条件采用估算模式中嵌入的多种预设的气象组合条件,这些组合包括了一些最不利的气象条件。(2)地形数据由于项目处于平原区,5km范围内无高大ft体,属于简单地形,故本评价按照评价等级要求,不考虑地形因素影响。6.1.4预测内容各种污染源排放的污染物对下风向2500m范围内的最大地面浓度。6.1.5预测模式的选择按照评价等级要求,本次
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