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class="news_list_detail_met_16_1_28 met-shownews animsition left"> <div class="container"> <div class="row sm0"> <div class="col-md-9 met-shownews-body" m-id='28'> <div class="row"> <section class="details-title border-bottom1"> <h1 class='m-0'>煙氣除塵、脫硫、脫硝技術</h1> <div class="info font-weight-300"> <span>2020-12-26 16:54:57</span> <span> <i class="icon wb-eye m-r-5" aria-hidden="true"></i> 46 </span> </div> </section> <section class="met-editor clearfix"> <p><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);">1 煙氣同時除塵，脫硫、脫硝技術（SN0X工藝）；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 它是一種干式脫硫脫硝技術，鍋爐排煙首先經過高效布袋除塵器，以盡可能減少其后部 S02轉化器內催化劑的清潔頻率。布袋除塵器出口的排煙經加熱后進入N0X催化反應器，在有氨的條件下，N0X被還原成N2和水，在第二段催化反應器內，S02被氧化成 S03 ，經降溫、水合而濃縮成液體H2S04。該工藝脫硫和脫硝效率分別可達95%和90%，副產品H2S04；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 2 煙氣脫硫技術</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 2.1 方法：雙堿拋棄法</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);">2.2 原理：雙堿法（又稱鈉鈣雙堿法），用純堿啟動，鈉堿吸收，Ca（0H）2再生，再生后吸收液循環使用；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);">3 煙氣脫硝技術</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 3.1 煤燃燒時除有S02生成外還有N0X生成；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);">3.2 控制N0X污染通常采用改進工藝設備，改善燃燒狀況及煙氣凈化處理等方法；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 3.3 處理方法：催化還源法、液體吸收法、吸附法，目前比較好的方法：SCR技術（催化還源法）；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 3.3.1 原理：在還原劑（氨、尿素）催化作用下，選擇性地與N0X反應生成N2和水；而不是被02氧化，故稱為“選擇性”，主要反應有</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 4NH3+4N0 催化劑 4N2+6H20</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 4NH3+502 催化劑 4N0+6H20</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 3.3.2 目前國內領先技術：它是脫硝效率最高，最成熟的主流技術，但其投資大，有漏氨等問題；</span><br times="" new="" font-size:="" white-space:="" style="box-sizing: inherit; max-width: 100%; font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255); font-size: 18px; color: rgb(46, 46, 46);"/><span times="" new="" font-size:="" style="box-sizing: inherit; max-width: 100%; color: rgb(42, 51, 60); font-family: "Segoe UI", "Lucida Grande", Helvetica, Arial, "Microsoft YaHei", FreeSans, Arimo, "Droid Sans", "wenquanyi micro hei", "Hiragino Sans GB", "Hiragino Sans GB W3", Roboto, Arial, sans-serif; background-color: rgb(255, 255, 255);"> 3.3.3 SCR系統：含催化反應室、氨儲運系統、氨噴射系統及相關的測試系統，其核心裝置為脫硝反應器，有水平和垂直氣流兩種布置方式。在燃煤鍋爐中，由于煙氣含塵量高，所以一般采用垂直氣流方式。</span></p> </section> <div class='met-page p-y-30 border-top1'> <div class="container p-t-30 "> <ul class="pagination block blocks-2 text-xs-center text-sm-left"> <li class='page-item m-b-0 '> <a href='../news/shownews.php?id=14' title="生活垃圾衛生填埋與焚燒" class='page-link text-truncate'> 上一篇 <span aria-hidden="true" class='hidden-xs-down'>: 生活垃圾衛生填埋與焚燒</span> </a> </li> <li class='page-item m-b-0 '> <a href='../news/shownews.php?id=13' title="廢氣治理的主要集中方法" class='page-link pull-xs-right text-truncate'> 下一篇 <span aria-hidden="true" class='hidden-xs-down'>: 廢氣治理的主要集中方法</span> </a> </li> </ul> </div> </div> </div> </div> <div class="col-md-3"> <div class="row m0"> <aside class="sidebar_met_16_1_29 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