<p style="margin-bottom: 5px;background: rgb(255, 255, 255)"><span style="font-family: Arial;font-size: 24px"><span style="font-family:宋体">技术交流</span> | &quot;<span style="font-family:宋体">匠心</span><span style="font-family:Arial">&quot;</span><span style="font-family:宋体">让污水厂提标</span><span style="font-family:Arial">so easy</span></span></p><p style="line-height: 20px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(140,140,140);font-size:14px"><span style="font-family:宋体">原创</span></span><span style="font-family: Arial;font-size: 1px">&nbsp;</span><span style=";font-family:Arial;color:rgb(153,153,153);font-size:14px">2017-08-29</span><span style="font-family: Arial;font-size: 1px">&nbsp;</span><span style=";font-family:Arial;color:rgb(153,153,153);font-size:14px"><span style="font-family:宋体">盛一楠</span></span><span style="font-family: Arial;font-size: 1px">&nbsp;</span><a href="##"><span style=";font-family:Arial;color:rgb(67,149,245);font-size:14px"><span style="font-family:宋体">城建水业</span></span></a></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(255,255,255);font-size:15px">↑ &nbsp;<span style="font-family:宋体">关注</span></span><span style="font-family: Arial;font-size: 15px">“<span style="font-family:宋体">城建水业</span><span style="font-family:Arial">” &nbsp; &nbsp;&nbsp;</span></span><span style=";font-family:Arial;color:rgb(255,255,255);font-size:15px"><span style="font-family:宋体">关注中国水务发展</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px"><span style="font-family:宋体">导读</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">如何真正把污水处理厂提标改造工程做好，是业内普遍关注的热点问题之一。我院唐建国总工说：</span>“<span style="font-family:宋体">污水处理厂是设计给运行人员的。</span><span style="font-family:Arial">”</span><span style="font-family:宋体">近日，上海城建设计总院（集团）有限公司，特邀原无锡排水公司总工，现江南大学李激教授来院为我院做了</span><span style="font-family:Arial">“</span><span style="font-family:宋体">从解决运行中实际问题入手，做好污水处理厂提标改造</span><span style="font-family:Arial">”</span><span style="font-family:宋体">的技术报告。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><br/></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">&nbsp;<span style="font-family:宋体">（注：以下根据李激教授现场发言整理，未经本人审阅。）</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063955605811979.png"/><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style="font-family: Arial;color: rgb(78, 153, 223);font-size: 18px"><span style="font-family:宋体">预估精准</span>:<span style="font-family:宋体">对水质情况和运行现状的把控</span></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">李教授强调了设计前期对进水水质和基础情况调研分析的重要性。对于设计方来说，在污水厂提标改造设计前需要考虑一系列的问题：进水中有没有活性污泥降解不了的氮磷？进水无机砂含量高吗，碳氮比怎么样，预处理单元应该怎么设置？进水水量再大些出水还能正常达标吗？现有各功能单元的处理潜力如何，可通过条件优化达标还是要外加设施？</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">为了解决这些问题，李教授提出提标改造前可通过全流程分析深度掌握污水厂水质情况和运行现状，为提标改造工艺选择提供重要参考依据。污水厂全流程分析思路包括：</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><br/></span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063956232953336.png"/><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">污水厂全流程分析思路</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">1<span style="font-family:宋体">、污水处理厂历年及</span><span style="font-family:Arial">24h</span><span style="font-family:宋体">水质数据分析：通过对污水处理厂历年的日进出水水质数据进行统计分析，研究有机物、氮磷和固体悬浮物等污染物的变化规律，对各污水处理厂进水水质的可生化性、</span><span style="font-family:Arial">C/N</span><span style="font-family:宋体">、</span><span style="font-family:Arial">C/P</span><span style="font-family:宋体">等影响氮磷出水稳定达标的主要因素进行分析，初步确定达标难度和水质特性。对进水进行</span><span style="font-family:Arial">24</span><span style="font-family:宋体">小时间歇取样，通过测定每个水样的</span><span style="font-family:Arial">COD</span><span style="font-family:宋体">、</span><span style="font-family:Arial">BOD</span><span style="font-family:宋体">、</span><span style="font-family:Arial">TN</span><span style="font-family:宋体">、氨氮、</span><span style="font-family:Arial">TP</span><span style="font-family:宋体">、</span><span style="font-family:Arial">SS</span><span style="font-family:宋体">，分析进水</span><span style="font-family:Arial">24</span><span style="font-family:宋体">小时的变化规律，系统研究不同时段进入城镇污水处理厂的污染物来源和主要成分，确定不同时段的水质特征。</span></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">2<span style="font-family:宋体">、工艺全流程功能运行评估分析：根据处理工艺生物系统的功能区划分，通过沿程布点，分析主要污染物指标的沿程变化特征，分析不同功能区（如厌氧段、缺氧段和好氧段）主要对应污染物的去除效果。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">3<span style="font-family:宋体">、功能区指标模拟测试（硝化、反硝化、释磷速率等）：对活性污泥的硝化速率、反硝化速率、厌氧释磷速率等污泥活性特征进行试验，判断污泥的活性组分对脱氮除磷的能力，确定针对性影响因素。</span></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><br/></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">4<span style="font-family:宋体">、针对性实验室模拟优化：针对通过历年数据分析、工艺全流程功能测试分析、功能区指标模拟测试分析的工作找出的该厂所需优化要点，设计针对性模拟优化实验，改变试验条件，探索最佳工艺运行条件，提出工艺优化运行解决措施和提标改造技术建议。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">5<span style="font-family:宋体">、针对性模型模拟优化：使用</span><span style="font-family:Arial">BioWIN</span><span style="font-family:宋体">模型进行活性污泥建模，可对污水处理厂的工艺运行状态进行评价分析，同时可对不易在现场进行的污水处理厂运行模式进行调控模拟，如更改内外回流比、池容、进水条件等，通过模拟后可得出污水处理厂最佳运行方式。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style="font-family: Arial;color: rgb(78, 153, 223);font-size: 16px"><span style="font-family:宋体">比选细致</span>:<span style="font-family:宋体">工艺组合</span><span style="font-family:Arial">&nbsp;</span><span style="font-family:宋体">、设备选型的优化</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><br/></span><img src="/upload/ueditor/image/20170926/15063956747256819.png"/></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">一级</span>A<span style="font-family:宋体">污水厂稳定达标存在的技术问题及解决方案</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">以无锡芦村厂提标改造工程为例，根据芦村污水处理厂进水特点（碳源不足）和出水水质要求，生物段处理工艺采用在原有</span>A/A/O<span style="font-family:宋体">生物池内的好氧区内投加填料工艺。并对工艺流程、停留时间进行调整，投加填料后，好氧段名义停留时间达到</span><span style="font-family:Arial">10.2h</span><span style="font-family:宋体">。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063957124041120.png"/></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">提标改造工程案例</span></span></p><p style="text-indent: 32px;line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:华文仿宋;color:rgb(62,62,62);font-size:16px"><br/></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">除了对工艺流程进行优化，对设备选型的优化也是提标设计中重要的一环。李教授对设计过程中需重点关注的设备进行了梳理，预处理单元存在着格栅拦截效果差、无机物去除率低、碳源流失量大的问题，往往与格栅与沉砂池不能有效发挥作用有关。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063957483892255.png"/><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">旋流沉砂池存在问题</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><br/></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">在生物处理单元，需要重点关注搅拌系统、悬浮填料系统、曝气系统</span>(<span style="font-family:宋体">鼓风机、曝气器、精确曝气</span><span style="font-family:Arial">)</span><span style="font-family:宋体">、</span><span style="font-family:Arial">MBR</span><span style="font-family:宋体">工艺、回流系统、多点进水、外加碳源。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style="font-family: Arial;color: rgb(78, 153, 223);font-size: 16px"><span style="font-family:宋体">关注细微</span>:<span style="font-family:宋体">设计中细节的力量</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px">“<span style="font-family:宋体">有时候，我们执迷于信息的声量，却忘记了细节的力量</span><span style="font-family:Arial">”</span><span style="font-family:宋体">，优秀的设计师不仅要高屋建瓴，更要见微知著，明白细节的力量。</span></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><br/></span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">粗放设计导致一系列的问题：</span></span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063957953732404.png"/></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span style="font-family:宋体">格栅宽度与渠宽不匹配，水位高时，垃圾会到泵池，影响水泵的正常运行</span><span style="font-family:Arial">&nbsp;</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><img src="/upload/ueditor/image/20170926/15063958196301557.png"/><span style=";font-family:宋体;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">屋檐在粗格栅的垂直起吊边界内，阻挡格栅起吊，造成设备维修起吊的难度及风险</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><br/></span>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <img src="/upload/ueditor/image/20170926/15063958549451887.png"/></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"></p><p style=";text-align:center;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(178,178,178);font-size:14px"><span style="font-family:宋体">水解池布水器设置高于池面，上级与该构筑物水位差减小，布水器没加盖，臭味四处散发，且影响美观</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="margin-right:16px;margin-left:16px;line-height:26px;background:rgb(255,255,255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:14px"><span style="font-family:宋体">好的设计能便利运行人员的工作，设计师要从实际运营的角度全方位考虑，细致设计，精细设计。通过实际运营中遇到的一些问题举例，告诉我们关注设计中的小细节，避免类似问题。</span></span></p><p style="line-height: 26px;background: rgb(255, 255, 255)"><span style=";font-family:Arial;color:rgb(62,62,62);font-size:16px">&nbsp;</span></p><p style="line-height: 26px; background: rgb(255, 255, 255);"><br/></p><p style="margin:24px 0 0;padding-top:14px;border-top:1px dashed #e2e6ea;font-size:13px;color:#9aa3ab;text-align:left;">作者：admin　|　发布时间：2017-09-26　|　浏览：582</p>