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class="lyNyProDetail_ConTit"><p>詳細介紹</p></div> <div class="lyNyProDetail_ConText"> <p>一、系統概述<br/></p><p><strong>SEM910-TRI<strong>氨逃逸監測系統</strong></strong>是由上海易瞻環?？萍加邢薰鹃_發的，在脫硝過程中，控制氨的注入量非常重要。氨的注入量既要保證有足夠的氨與氮氧化物反應，以降低氮氧化物排放量，又要避免煙氣中逃逸過量的氨。注入過量的氨不僅會增加腐蝕，縮短SCR催化劑壽命，還會污染煙塵，增加空氣預熱器中銨鹽的沉積，以及增加向大氣的氨排放。特別是銨鹽—硫酸氫胺（ABS）的形成，ABS在溫度降低時，會吸收煙氣中的水分，形成腐蝕性溶液，還會堵塞催化劑，造成催化劑失活（即失效）。煙氣經過空氣預熱器時，在熱交換表面會形成ABS，并產生沉積，降低空氣預熱器的效率。氨逃逸量的準確測量具有重要意義，對 SCR或 SNCR出口氨逃逸量的監測并控制在 2—3（ppm），可延長空氣預熱器檢修周期及催化劑更換周期。</p><p>二、系統組成</p><p><img alt="" src="https://img48.chem17.com/9/20180422/636600201653353864658.jpg" style="height:150px; width:500px"/></p><p>三、<strong style="white-space: normal;">SEM910-TRI<strong>氨逃逸監測系統</strong></strong>技術參數</p><p>◎測量原理：UV (NOx)，氧化鋯(O2)，TDLAS(NH3)</p><p>◎NOx量程： (0-100ppm)～(0-1000ppm)</p><p>◎O2 量程：(0-25%)</p><p>◎NH3量程：(0-5ppm，0-10ppm，0-50ppm)<br/>◎零點漂移：±1%F.S./7d</p><p>◎量程漂移：±1%F.S./7d</p><p>◎響應時間：<10秒</p><p>◎模擬量輸出：4路4-20mA 隔離輸出，500Ω負載</p><p>◎數字量輸出：2個SPCO干接點輸出</p><p>◎信號輸出：RS485<br/>◎伴熱溫度：200°C</p><p>◎環境溫度：-25°C～50°C</p><p>◎防護等級： IP65</p><p>用戶條件：</p><p>◎開孔：用于安裝探頭，具體要求參考圖紙；</p><p>◎平臺：用于安裝儀器，具體參考施工圖紙；</p><p>◎壓縮空氣：清潔干燥并且無油，壓力5-7公斤</p><p>◎供電：220VAC, 10KW</p><p>四、供貨清單</p><p>◎脫銷過程氣體在線分析儀</p><p>◎采樣探頭</p><p>◎NH3標準氣體</p><p>◎標準氣體</p><p>◎零氣（N2）</p><p>◎標氣減壓閥</p><p>◎工程輔料（包括濾芯、鋼管、卡套接頭等）</p> </div> <div class="lyNyProDetail_ConTit" id="cpzx"><p>產品咨詢</p></div> <div class="ly_msg"> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產品：</h4> <div class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="氨逃逸監測系統" placeholder="請輸入產品名稱" /></div> </li> <li> <h4>您的單位：</h4> <div class="msg_ipt12"><input class="textborder" 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