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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>目前SCR商用催化剂基本都是以TiO2为基材，以V2O5为主要活性成份，以WO3、MoO3为抗氧化、抗毒化辅助成份。化剂型式可分为三种：板式、蜂窝式和波纹板式、�/p><p><br/>　　板式催化剂以不锈钢金属板压成的金属网为基材，将TiO2、V2O5等的混合物黏附在不锈钢网上，经过压制、锻烧后，将催化剂板组装成催化剂模块、�/p><p><br/>　　蜂窝式催化剂一般为均质催化剂。将TiO2、V2O5、WO3等混合物通过一种陶瓷挤出设备，制成截面�?50mmX150mm，长度不等的催化剂元件，然后组装成为截面约为2m´1m的标准模块、�/p><p><br/>　　波纹板式催化剂的制造工艺一般以用玻璃纤维加强的TiO2为基材，将WO3、V2O5等活性成份浸渍到催化剂的表面，以达到提高催化剂活性、降低SO2氧化率的目的、�/p><p>除氮氧化物催化剂应用于选择还原（SCR）脱硝工艺，在热电厂、燃煤发电厂、燃气轮机组、垃圾焚烧、钢铁、石化、内燃机组等工业领域内得到广泛应用。SCR催化剂是由多孔金属氧化物和活性金属组成的匀质产品。催化剂基材主要由TiO2、V2O5、WO3等构成、�/p><p> </p><p>二、SCR催化剂反应原琅�/p><p> 选择性催化还原（SCR）是在一定温度和SCR催化剂作用下，添加液氨、氨水或尿素为还原剂将尾气中氮氧化物还原为氮气和水，废气中O2不参与反应。典型化学反应如下：</p><p>4NH3+ 6NO�?N2+ 6H2O<br/>8NH3+ 6NO2�?N2+ 12H2O</p><p>三、工艺条件及技术指栆�/p><p> 催化剂类型：蜂窝式脱硝催化剂<br/> 催化剂单元尺寸：L×W×H=150 mm×150 mm×50mm�?00mm�?50mm�?00mm（�br/> （可按客户要求来制作（�br/> 孔数范围�?5x15�?5x55<br/> 催化剂填装高径比�?�?~2�?</p><p>NOx浓度<br/> �?000ppm<br/> <br/>还原剁�br/> 液氨、氨水或尿素，须以饱和气态形式引�?br/> <br/>反应温度<br/> 180~420ℂ�br/> <br/>气体空逞�br/> 3000~10000 h-1<br/> <br/>NOx转化玆�br/> �?5%（或出口NOx�?00ppm（�br/> <br/>氨逃逸率<br/> �?0ppm<br/> <br/>压力损失<br/> �?00pa（床层高径比1�?或线速度�?.5m/s时）<br/> <br/>催化剂使用寿呼�br/> �?6000h<br/>四、SCR催化剂特炸�/p><p>· 采用*合适的微孔容积，使脱硝性能和耐磨强度达到**平衡点；</p><p>· 设计*合适的微孔分布，以达到稳定的脱硝性能：�/p><p>· 采用*合适活性成分，在保证脱硝率的同时有效抑制SO2/SO3的转化率：�/p><p>· 通过添加第三成分，有效抑制SO2/SO3的转化率在运行过程中的上升；</p><p>· 产品活性均匀，即使表面被磨损后，剩余部分的活性没任何改变：�/p><p>· 低阻力，节约运行费用：�/p><p>· 低温高活性，NOx去除率高：�/p><p>· 高耐水性；</p><p>· 高温耐腐蚀性；</p><p>· 高机械强度和抗热能力、�/p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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