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<h1>進口和國產(chǎn)厭氧反應(yīng)器的區(qū)別(工藝篇)</h1> <p class="info">文章來源：正澤上傳時間：2022-03-05</p> <div id="0yaga2qgimc" class="txtbox cleafix" style="width:100%;float:none;"> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">之前，我們簡單介紹了國產(chǎn)品牌和進口品牌的厭氧反應(yīng)器在設(shè)備結(jié)構(gòu)方面的差異。今天，我們從工廠運行管理的角度，來講講<strong style="font-weight:bold !important; margin:0px; padding:0px">國產(chǎn)和進口厭氧反應(yīng)器的區(qū)別，</strong>主要分析工藝方面的差異。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">厭氧工藝包括進厭氧前的預(yù)酸化池、循環(huán)池（配水池），以及厭氧出水后的設(shè)備或池體，同時也包括系統(tǒng)調(diào)試。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">1. 厭氧系統(tǒng)設(shè)計</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">（1）預(yù)酸化池</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">設(shè)計和運行厭氧的朋友都知道,不管</span><strong style="font-size:14px; font-weight:bold !important; margin:0px; padding:0px">國產(chǎn)和進口厭氧反應(yīng)器的區(qū)別</strong><span style="font-size:14px; margin:0px; padding:0px">是什么</span><strong style="font-size:14px; font-weight:bold !important; margin:0px; padding:0px">，</strong><span style="font-size:14px; margin:0px; padding:0px">厭氧反應(yīng)分為四個階段,這四個階段相輔相成，關(guān)系密切。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"><img data-ratio="0.5125" data-s="300,640" data-type="png" data-w="400" src="http://www.h7502.cn/uploads/allimg/180626/1-1P626140953450.png" style="border:0px none; margin:0px; padding:0px; vertical-align:middle" title="進口和國產(chǎn)厭氧反應(yīng)器的區(qū)別1" /></span><br style="margin: 0px; padding: 0px;" /> </p> <ul microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">若水解酸化不充分，就會導(dǎo)致厭氧的去除效率低，運行成本高；</span></p> <p style="margin: 0px; padding: 0px;"> </p> </li> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">若是水解酸化過度（即調(diào)節(jié)池和預(yù)酸化池池容過大），就會影響厭氧污泥的顆粒度，難以通過銷售顆粒污泥獲取收益；而且會導(dǎo)致土建工程投資變大，少則幾十萬，多則上百萬。</span></p> </li> </ul> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">外資企業(yè)設(shè)計時，通常是根據(jù)該行業(yè)廢水水質(zhì)特點以及生產(chǎn)工藝，結(jié)合他們在國外項目中積累的經(jīng)驗，設(shè)計停留時間，同時調(diào)整水解和酸化比例。由于外資企業(yè)基礎(chǔ)研究比較扎實，而且項目經(jīng)驗也豐富一些，所以，他們設(shè)計的池容、池體結(jié)構(gòu)也更合理。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">（2）循環(huán)池（配水池）</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-size:14px; font-weight:bold !important; margin:0px; padding:0px">國產(chǎn)和進口厭氧反應(yīng)器的區(qū)別</strong><span style="font-size:14px; margin:0px; padding:0px">在于，進口品牌厭氧反應(yīng)器上升流速通常比較高，一般在4~8m/h，為了保證上升流速，外資企業(yè)通常將厭氧出水回流至循環(huán)池來提高上升流速，厭氧反應(yīng)器的負(fù)荷是通過預(yù)酸化池進循環(huán)池的負(fù)荷（水量*COD濃度）控制的。</span><br style="margin: 0px; padding: 0px;" /> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"><img data-ratio="0.4975" data-s="300,640" data-type="png" data-w="400" src="http://www.h7502.cn/uploads/allimg/180626/1-1P626141015193.png" style="border:0px none; margin:0px; padding:0px; vertical-align:middle" title="進口和國產(chǎn)厭氧反應(yīng)器的區(qū)別2" /></span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">國內(nèi)企業(yè)在設(shè)計時，會將厭氧出水（或者二沉出水）打回循環(huán)池，通過測試循環(huán)池水的COD濃度，調(diào)整厭氧反應(yīng)器的處理負(fù)荷，從而運行管理工作量較大。（也有一些國內(nèi)的廠家不設(shè)置循環(huán)池，厭氧的循環(huán)水通過泵直接泵送入反應(yīng)器的底部。）</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">（3）厭氧反應(yīng)器的容積</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <ul microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">進口品牌厭氧反應(yīng)器的容積負(fù)荷通常比國產(chǎn)設(shè)備要高一些，進口品牌可以達到15~24kgCOD/m3/d，國產(chǎn)品牌的容積負(fù)荷大約為8~18kgCOD/m3/d（與行業(yè)水質(zhì)有關(guān)）。</span></p> </li> </ul> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <ul microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">設(shè)備結(jié)構(gòu)和工藝控制（如上升流速等）的差異都可以直接影響厭氧反應(yīng)器的處理能力，若容積負(fù)荷大一倍，厭氧反應(yīng)器的容積就可以減少一半，厭氧反應(yīng)器的投資也可以大幅減少。</span></p> </li> </ul> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">（4）厭氧出水后的設(shè)備和構(gòu)筑物</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <ul microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">進口品牌的厭氧反應(yīng)器在結(jié)構(gòu)設(shè)計和工藝控制方面做得好，污泥流失的概率比較小，其厭氧出水可以直接去曝氣池；</span></p> </li> </ul> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <ul microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> <li style="margin: 0px; padding: 0px; list-style-type: none; font-size: 12px;"> <p style="margin: 0px; padding: 0px;"><span style="font-size:14px; margin:0px; padding:0px">而國內(nèi)品牌的某些厭氧反應(yīng)器容易出現(xiàn)污泥流失的問題，會在厭氧后面加裝一個曲面篩網(wǎng)或沉淀池，用于截留厭氧污泥。</span></p> </li> </ul> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"> </span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><strong style="font-weight:bold !important; margin:0px; padding:0px"><span style="font-size:14px; margin:0px; padding:0px">2. 厭氧系統(tǒng)調(diào)試</span></strong></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">厭氧系統(tǒng)穩(wěn)定運行的參數(shù)大家都比較熟悉，參見下圖：</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px"><img data-ratio="0.625" data-s="300,640" data-type="png" data-w="400" src="http://www.h7502.cn/uploads/allimg/180626/1-1P626141033218.png" style="border:0px none; margin:0px; padding:0px; vertical-align:middle" title="進口和國產(chǎn)厭氧反應(yīng)器的區(qū)別3" /></span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">由于外資企業(yè)技術(shù)過關(guān)，經(jīng)驗豐富，一般2~4周即可完成新建厭氧反應(yīng)器的調(diào)試，而一些國產(chǎn)品牌厭氧反應(yīng)器，因為系統(tǒng)設(shè)計不合理，解決異常問題的經(jīng)驗比較少，初次啟動調(diào)試往往需要3-6個月。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">有這樣一個案例，某啤酒廠厭氧反應(yīng)器運行的不太好，每年都要補充1~2次厭氧污泥，運行成本比較高。設(shè)備廠家服務(wù)時，總找不到問題的根源，就說：“細(xì)菌的事情誰也說不清楚”。后來，某外資企業(yè)的工程師負(fù)責(zé)該啤酒廠再次啟動調(diào)試，很快就找到問題的根源—洗瓶廢水中含有的殺菌劑對厭氧污泥活性造成影響，導(dǎo)致厭氧顆粒污泥死亡。找到問題后，迅速采取了相應(yīng)的調(diào)整措施，徹底解決了這個問題。以后運行時，該污水站不再需要每年采購顆粒污泥了，大大降低了企業(yè)的運行成本。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""> </p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><span style="font-size:14px; margin:0px; padding:0px">通過這兩周的對比，我們可以發(fā)現(xiàn)，進口品牌厭氧反應(yīng)器在結(jié)構(gòu)、生產(chǎn)制造工藝，以及技術(shù)能力方面，還是略優(yōu)于國產(chǎn)品牌。我們也希望國內(nèi)的一些環(huán)保公司能夠真正重視基礎(chǔ)技術(shù)的研究，使企業(yè)的污水運行更穩(wěn)定，運行成本更低。同時，我們也相信，國內(nèi)的環(huán)保公司會越來越成熟，設(shè)備制造的技術(shù)很快就能趕上并超越國外環(huán)保企業(yè)。</span></p> <p microsoft="" style="margin: 0px; padding: 0px; color: rgb(102, 102, 102); font-family: " ui="" yahei=""><br style="margin: 0px; padding: 0px;" /> <span style="font-size:14px; margin:0px; padding:0px">更多關(guān)于厭氧知識的內(nèi)容，推薦閱讀<span style="color:#ff0000; margin:0px; padding:0px">《</span><a href="http://www.h7502.cn/zixunzhongxin/yanyangzhishi/0625I201873.html?1529989867" style="margin: 0px; padding: 0px; outline: none; text-decoration: none; color: rgb(255, 0, 0);" target="_blank"><span style="color:#ff0000; margin:0px; padding:0px">如何判斷厭氧顆粒污泥的活性</span></a><span style="color:#ff0000; margin:0px; padding:0px">》</span>和<span style="color:#ff0000; margin:0px; padding:0px">《</span><a href="http://www.h7502.cn/zixunzhongxin/yanyangzhishi/0622B201866.html?1529989823" style="margin: 0px; padding: 0px; outline: none; text-decoration: none; color: rgb(255, 0, 0);" target="_blank"><span style="color:#ff0000; margin:0px; padding:0px">厭氧反應(yīng)器6種異?，F(xiàn)象及原因分析</span></a><span style="color:#ff0000; margin:0px; padding:0px">》</span>。</span><br style="margin: 0px; padding: 0px;" /> </p> <p helvetica="" neue="" style="margin: 0px; padding: 0px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, "><span style="color:#d3d3d3; margin:0px; 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