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污水处理好氧池风机曝气风量计算-山东章瑞机械有限公司
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</p><p>3.每分钟进水量=10000/24/60=6.95吨/分钟=6950升/分钟。则要求去除COD所需要的氧=6950*1080/1000=7506</p><p>克氧气/分钟。折合摩尔数=7506/32=234.56mol/分钟=234.56*22.4L/分钟=5254L氧气/分钟。</p><p>4.溶解氧（DO)要求：好氧池=2-3mg/L(出口处），缺氧池<0.5mg/L,厌氧池<0.5mg/L. 好氧池溶氧量=6950升/分钟</p><p>*3mg/L=20.85克氧/分钟=20.85/16=1.3mol氧/分钟=0.65*22.4升氧气=14.56升氧气/分钟。</p><p>5.每分钟所需有效氧气=5254+14.56=5268.56升。氧利用率=20％，则实际所需氧=5268.56/0.2=26.342立方氧气，氧气在空气中含量为21％，则需空气=125.44立方/分钟。取10％的余量，125.44*（1+10％）=138立方/分钟。</p><p>6.风机功率计算：取风压为6米H2O=0.6公斤=60000Pa. 风机轴功率P=138/60*60000/风机效率取75％=184KW 电机功率=184*（1+10％）=202.5KW. </p><p>7.气水比=125.44*1000升空气/6950升水=18/1>常规气水比15/1. </p> </div> <div class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-867092.html">气化罗茨风机厂家介绍使用注意事项</a></li> <li>下一篇：<a href="/Article-859061.html">污水处理风机选型计算方法</a></li> </ul> </div> </div> <!--内页-新闻详情&文章详情 结束--> <!--底部 开始--> <div class="ly_foot"> <div class="ly_Ftmain"> <div class="ly_Ftcon"> <div class="ly_FtLeft"> <ul> <li> <div class="Ft_tit">关于我们</div> <a href="/aboutus.html">公司简介</a> <a 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