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line-height:27px;"> 貴州全務環?？萍加邢薰?<br /> 聯系人：李經理<br /> 手機：18798614459<br /> 電話：0851-84405286<br /> 地址：貴州省貴陽市白云區通化路朝陽二期56棟 </div> </div> <div class="right"> <div class="title">您現在的位置：<a href='http://www.mydreamgames.com//'>主頁</a> > <a href='/case/'>工程案例</a> > </div><br /> <div class="content"> <div class="bt"> <h1>貴陽石板車尿素廠0.5噸雙級反滲透設備安裝完畢</h1> <h6>來源：<a href="/" target="_blank">www.mydreamgames.com</a> 時間:2020-04-24 10:08 點擊：<script src="/plus/count.php?view=yes&aid=735&mid=1"type='text/javascript' language="javascript"></script></h6> </div> </div> <div class="nr_text"> <p> <span style="font-size:14px;"><span style="font-family:宋體;">汽車尿素，它是一種使用在SCR技術中，用來減少柴油車尾氣中的氮氧化物污染的液體。其組成成分為32.5%的高純尿素和67.5%的去離子水。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">它的由來及其現狀：</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">由于各國的環境保護部門提出進一步減少柴油機排放放的氮氧化物污染物。國內俗稱歐IV標準。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">發動機生產商開始使用SCR技術（ Selective Catalytic Reduction Technology選擇性催化還原技術）來達到環保部門的要求。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">柴油機尾氣處理液(國內俗稱為：汽車尿素，車用尿素，汽車環保尿素)，是SCR技術中必須要用到的消耗品。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">SCR系統包括尿素罐（裝載柴油機尾氣處理液），SCR催化反應罐。SCR系統的運行過程是：當發現排氣管中有氮氧化物時，尿素罐自動噴出柴油機尾氣處理液，柴油機尾氣處理液和氮氧化物在SCR催化反應罐中發生氧化還原反應，生成無污染的氮氣和水蒸氣排出。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">如果不裝載柴油機尾氣處理液、或純度不夠、或質量偽劣，都會發生車輛發動機自動減速。同時，質量偽劣的柴油機尾氣處理液會污染SCR催化反應罐中的催化劑，造成嚴重后果。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">其實在歐洲，2006年就已經開始實施這個政策。歐洲柴油機尾氣處理液稱為Adblue。主要代表有BP等。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">在美國，2010年開始，隨著EPA2010標準的實施，也全面加大了本產品的應用實施力度，在美國，柴油機尾氣處理液稱為DEF(Diesel Exhaust Fluid)。主要代表有BlueDEF等。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">本產品在國際上有兩大主要的認證，一是德國汽車工業協會（VDA）的AdBlue認證，另一個是美國石油學會（API）的DEF認證。</span></span></p> <p> <span style="font-size:14px;"><span style="font-family:宋體;">在國內，對于柴油機尾氣處理液的生產尚屬于新興行業，預計2011年下半年或2012年上半年將會制定出我國自己的柴油機尾氣處理液產品國家標準。<br /> 以下為安裝調試好圖片：<br /> <img alt="" src="/uploads/allimg/200424/1-200424101221607.jpg" style="width: 740px; height: 555px;" /></span></span></p> <br /> <hr /> <p> 上一篇：<a href='/case/505.html'>貴州杰傲新材料科技有限公司在我司訂購1套2噸純化水設備</a> </p> <p> 下一篇：<a href='/case/736.html'>貴州省綠筑科建住宅產業化公司訂購0.5噸食堂純凈水設備</a> </p> </div> <div class="RandomNews mt10"> <h2> 熱點資訊 </h2> <ul> <li><span class="fr">[2023-06-19]</span><a href="/technical/1775.html">貴州超純水設備，EDI電去離子超純水設備操作說</a></li> <li><span class="fr">[2023-06-16]</span><a href="/technical/1774.html">貴州純水設備，反滲透膜技術在純水制取工藝中</a></li> <li><span class="fr">[2023-06-08]</span><a href="/technical/1773.html">貴州超純水系統，EDI膜堆的應用范圍及EDI高純水</a></li> <li><span class="fr">[2023-06-07]</span><a 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