1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,毕业设计,:,陇西皮革厂污水处理站设计,专 业:给水排水工程,姓 名:,学 号:,指导老师:,设计特点:,1.,按水质进行处理;,2.,按特殊水质的水量进行处理;,3.,综合废水处理工艺简单;,4.,处理站占地面积小。,进水水质:,工序名称,水量(,M,3,/d,),水质(,mg/L,),COD,S,2-,Cr,3+,SS,1,浸皮,228,3870,380,2,碱膨胀,36,70200,1920,8200,3,脱灰,30,5480,1930,4,软化,30,5470,1650,5,铬鞣,27,63200,
2、3150,5420,6,复鞣,27,15600,1820,3860,7,中和,30,1700,400,8,填充,40,4500,300,9,各工序清洗水,1350,综合污水:,BOD,5,/COD=0.43,夏季最高日平均水温,30,,冬季最低月平均水温,15,PH=8.4,设计工艺流程:,处理过程去除率:,工序名称,水质(,mg/L,),COD,S,2-,Cr,3,+,SS,混合处理,进入工序水质,51720,768,1491,6064,去除率,61%,76.50%,99.10%,48%,出水水质,29170,180.5,1.491,3153.5,剩余含硫废水处理,进入工序水质,29170,
3、180.5,1.491,3153.5,去除率,99%,出水水质,29170,1.805,1.491,3153.5,综合污水处理,进入工序水质,2260,0.09,0.75,121,去除率,94.20%,87.10%,出水水质,131,0.09,0.75,15.6,综合部分去除率:,絮凝气浮池:,:,生物接触氧化池:,平面:,1,、污水厂平面四角高程:,1,0,、,1723.32 2,0,、,1723.15,3,0,、,1722.50 4,0,、,1721.70,;,2,、风向为西北风;,3,、污水排入东侧的锁欲河。,故污水流向为:,高程:,1,、按当地气候、水文条件,排出管道埋深相对高程为,-4m,;,2,、污水厂出水相对高程为,0.00m,;进水相对高程为,0.545m,。,谢谢,!,