污泥於砂分离器的分离效能及影响因素

Separation Performance and Influencing Factors of Grit Separation Module

摘要:

为了消除污水处理厂淤砂对污水处理系统的影响，开发了一种污泥於砂分离器，并以重庆某污水厂污泥为研究对象进行了现场中试研究。试验结果表明：分离器的排口比K是影响分离效果最重要的结构参数；提高分离器的工作压力P，可以提高於砂分离效果和分离器的处理能力。用锥角为20°、溢流口直径Ф22mm、底流口直径Ф13mm的污泥於砂分离器、在工作压力为0.15~0.2MPa的情况下对污泥进行了於砂分离，分离产生的溢流污泥VSS（挥发性悬浮固体）/TSS（总悬浮固体）为底流污泥的3倍、底流污泥ISS（无机性悬浮固体）/TSS的比值为溢流污泥的1.5倍，原污泥中46%的於砂被富集在体积流量比为17%的底流液中，实现了污泥於砂的离和富集?/textarea> (*) 英文摘要     In order to eliminate grit’s effection to the waste water treatment plant, a grit separation module was developed base on the differences between biological materials and inorganic grit in the sludge and cyclone separation characteristic. The pilot scale field studies were conducted at full-scale wastewater treatment plant in Chongqing. The results showed that the outlet ratio K of the separation module is the most important structural parameters. Improve the working pressure P, can increase separation performance and processing ability. The grit separation module with a cone angle 20 °, the overflow outlet diameter Ф22mm, bottom outlet diameter Ф13mm, the working pressure is 0.15 ~ 0.2MPa, is used for separation grit from the sludge, after separation, the overflow sludge volatile suspended solids(VSS)/ total suspended solids(TSS) is 3 times to the underflow and the underflow grit is 1.5 times to the overflow, 46% the original sludge grit was enriched in ,volume flow ratio 17%, the underflow, to achieve grit separation and enrichment.</p> </div> <div class="zy2" id="CnKeyWord"> </div> </div> <div class="en" id="EnAbstract"> <div class="zy1"> <span>Abstract:</span><p id="EnAbstractValue">In order to eliminate grit’s effection to the waste water treatment plant, a grit separation module was developed base on the differences between biological materials and inorganic grit in the sludge and cyclone separation characteristic. The pilot scale field studies were conducted at full-scale wastewater treatment plant in Chongqing. The results showed that the outlet ratio K of the separation module is the most important structural parameters. Improve the working pressure P, can increase separation performance and processing ability. The grit separation module with a cone angle 20 °, the overflow outlet diameter Ф22mm, bottom outlet diameter Ф13mm, the working pressure is 0.15 ~ 0.2MPa, is used for separation grit from the sludge, after separation, the overflow sludge volatile suspended solids(VSS)/ total suspended solids(TSS) is 3 times to the underflow and the underflow grit is 1.5 times to the overflow, 46% the original sludge grit was enriched in ,volume flow ratio 17%, the underflow, to achieve grit separation and enrichment.</p> </div> <div class="zy2" id="EnKeyWord"> </div> </div> <!--trend md div标签--> <div id="trendmd-suggestions"></div> </div> </ul> <ul> <div class="zyfj"> <div class="swiper_xq photos-demo" id="photosDemo"> <div class="swiper-wrapper" id="ImagesList"> </div> <!-- Add Arrows --> <div class="swiper-button-next"></div> <div class="swiper-button-prev"></div> </div> <!-- Initialize Swiper --> <script> var swiper = new Swiper('.swiper_xq', { navigation: { nextEl: '.swiper-button-next', prevEl: '.swiper-button-prev', }, }); </script> <script type="text/javascript"> $(function(){ $('img').bigic(); }); </script> </div> </ul> <ul> <div class="fwtj"> <div id="ArticleAnnualMetrics" style="width: 800px;height:400px;margin-top:15px;"></div> <div id="ArticleTotalMetrics" style="width: 800px;height:400px;"></div> <div id="ArticleProvinceMetrics" style="width: 800px;height:400px;"></div> </div> </ul> <ul> <div class="ckwx"> <div class="title">参考文献</div> <div class="list" id="ReferenceList"> </div> </div> </ul> <ul> <div class="ckwx"> <div class="title">相似文献</div> <div class="list" id="RelateArticleList"> </div> </div> </ul> <ul> <div class="ckwx"> <div class="title">引证文献</div> <div class="list" id="WasReferencedList"> </div> </div> </ul> <ul> <div class="zyfj"> <div class="list" id="AttacheList"> </div> </div> </ul> <ul> <div class="zyfj" id="CommentList"> </div> </ul> </div> </div> <script type="text/javascript">jQuery(".slideTxtBox").slide({ trigger: "click" });</script> </div> </div> <div class="article_abstract_right m-fl"> <div class="p3"> <h5 class="tt">引用本文</h5> <div class="copy"> <p id="cp-cont"> 吉芳英,晏鹏,宗述安,范剑平.污泥於砂分离器的分离效能及影响因素[J].同济大学学报(自然科学版),2013,41(3):428~432 </p> <a href="javascript:;" class="btn" data-clipboard-target="#cp-cont">复制</a> </div> </div> <div class="p4"> <h5 class="tt">分享</h5> <link rel="stylesheet" type="text/css" href="/template/css/share.min.css"> <script src="/template/js/jquery.share.min.js"></script> <div id="share-2"></div> <script> $('#share-2').share({sites: ['qzone', 'qq', 'weibo','wechat']}); 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