干法脫硫中脫硫塔濕壁的原因 - 低溫脫硝-干法脫硫-干法脫硫技術-淄博博山除塵器廠家 - 山東新峰環?？萍加邢薰?/title> <meta name="keywords" content="低溫脫硝,干法脫硫,干法脫硫技術,淄博除塵器,博山除塵器,除塵器廠家" /> <meta name="description" content=" 干法脫硫運行中常見問題有幾個，上次介紹了影響脫硫效率低的因素，下面說說在干法脫硫中脫硫塔濕壁的問題。導致干法脫硫中脫硫塔濕壁的現象主要有以下幾個原因：（1）煙氣流" /> <link href="/themes/default/css/base.css" rel="stylesheet" type="text/css"> <link href="/themes/default/css/style.css" rel="stylesheet" type="text/css"> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body> <div style="position:fixed;left:-9000px;top:-9000px;"></div> ?<div style="margin-top:-10px; border-top:2px solid #19961e;"> <div class="g-hd"> <img src="/top.png"> </div> </div> <div class="m-nav"> <ul> <li><a href="/">網站首頁</a></li> <li> <a href="/index.php?r=page/Category/index&class_id=1" title="企業簡介" >企業簡介</a></li> <li> <a href="/index.php?r=article/Category/index&class_id=8" title="新聞中心" >新聞中心</a></li> <li> <a href="/index.php?r=article/Category/index&class_id=4" title="業內資訊" class="u-crt" >業內資訊</a></li> <li> <a href="/index.php?r=article/Category/index&class_id=2" title="產品展示" >產品展示</a></li> <li> <a href="/index.php?r=article/Category/index&class_id=29" title="資質榮譽" >資質榮譽</a></li> <li> <a href="/index.php?r=article/Category/index&class_id=28" title="客戶案例" >客戶案例</a></li> <li> <a href="/index.php?r=page/Category/index&class_id=26" title="聯系我們" >聯系我們</a></li> <li style="display:none;"><a href='/index.php?r=DuxCms/Form/index&name=guestbook'>留言板</a></li> </ul> </div> <script type="text/javascript" src="/banner/js/jquery.js"></script> <script type="text/javascript" src="/banner/js/superslide.2.1.js"></script> <style type="text/css"> /* fullSlide */ .fullSlide{width:100%;position:relative;height:668px;background:#000;} .fullSlide .bd{margin:0 auto;position:relative;z-index:0;overflow:hidden;} .fullSlide .bd ul{width:100% !important;} .fullSlide .bd li{width:100% !important;height:668px;overflow:hidden;text-align:center;} .fullSlide .bd li a{display:block;height:668px;} .fullSlide .hd{width:100%;position:absolute;z-index:1;bottom:10px;left:0;height:30px;line-height:30px;} .fullSlide .hd ul{text-align:center;} .fullSlide .hd ul li{cursor:pointer;display:inline-block;*display:inline;zoom:1;width:42px;height:11px;margin:1px;overflow:hidden;background:#000;filter:alpha(opacity=50);opacity:0.5;line-height:999px;} .fullSlide .hd ul .on{background:green;} .fullSlide .prev,.fullSlide .next{display:block;position:absolute;z-index:1;top:50%;margin-top:-30px;left:15%;z-index:1;width:40px;height:60px;background:url(/banner/images/slider-arrow.png) -126px -137px #000 no-repeat;cursor:pointer;filter:alpha(opacity=50);opacity:0.5;display:none;} .fullSlide .next{left:auto;right:15%;background-position:-6px -137px;} </style>  <div style="height:613px; background:url(/banner.jpg) center top no-repeat;"></div> <script type="text/javascript"> $(".fullSlide").hover(function(){ $(this).find(".prev,.next").stop(true, true).fadeTo("show", 0.5) }, function(){ $(this).find(".prev,.next").fadeOut() }); $(".fullSlide").slide({ titCell: ".hd ul", mainCell: ".bd ul", effect: "fold", autoPlay: true, autoPage: true, trigger: "click", startFun: function(i) { var curLi = jQuery(".fullSlide .bd li").eq(i); if ( !! curLi.attr("_src")) { curLi.css("background-image", curLi.attr("_src")).removeAttr("_src") } } }); </script><div class="g-bd"> <div class="g-mn"> <div class="m-crumb"> <ul class="f-cb"> <li><a href="/">首頁</a></li> <li><i>></i><a href="/index.php?r=article/Category/index&class_id=4">業內資訊</a></li> </ul> </div> <div class="m-pg-tt">干法脫硫中脫硫塔濕壁的原因</div> <div class="m-pg-info"><span>2020-07-18 16:37:00</span>　<span>來源：本站</span>　<span>瀏覽：2351</span> </div> <div class="m-pg-bd"> <strong><a href="http://www.hexisx.com" target="_blank">干法脫硫</a></strong>運行中常見問題有幾個，上次介紹了影響脫硫效率低的因素，下面說說在<strong><a href="http://www.hexisx.com" target="_blank">干法脫硫</a></strong>中脫硫塔濕壁的問題。<br /> 導致<strong><a href="http://www.hexisx.com" target="_blank">干法脫硫</a></strong>中脫硫塔濕壁的現象主要有以下幾個原因：<br /> （1）煙氣流場分布不均，煙氣在吸收塔內呈湍流、偏流狀態，水霧、脫硫灰碰到塔內壁或塔內構件很容易結塊，形成塊狀后粘壁會越積越多，結塊松散時，會造成大塊脫硫灰落下，在塔外面有時能聽到內部大塊脫硫灰落下響聲。<br /> （2）煙氣塔內反應段溫度過低，低于65℃，而干燥段溫度小于70℃，操作運行很難控制，稍有不慎，很容易造成濕壁。<br /> （3）外循環灰過濕，未充分干燥的脫硫灰不斷粘結成團造成濕壁。脫硫循環灰濕度宜取2%左右，濕度越高，濕壁的機率越大。為防止濕壁，第一次啟動運行時，先對布袋除塵器進行預涂灰，脫硫塔內先噴氫氧化鈣粉后噴水；停運時，先停水后停氫氧化鈣粉。以后啟動時，先啟動外循環，建立起穩定的流化床后再開始噴氫氧化鈣粉和水。<br /> （4）噴嘴埋在流態不穩定、濕度不均勻的循環流化床層中，循環灰表面含水不均勻，且有游離狀態的液滴，易造成噴嘴及噴嘴上部吸收塔漸擴段的粘結、濕壁，裝置不能長期穩定運行。<br /> （5）塔內壓差過低，低于500Pa以下，煙氣中的循環灰量太少，容易造成循環灰過濕，容易產生濕壁。<br /> </div> <div class="m-pg-ln"> <div class="last"><span>上一篇：</span> <a href="/index.php?r=article/Content/index&content_id=581">幾種干法脫硫技術的對比</a> </div> <div class="next"><span>下一篇：</span> <a href="/index.php?r=article/Content/index&content_id=585">干法脫硫技術的分類分析</a> </div> <div class="f-cb"></div> </div> </div> <div class="g-sd"> <div class="m-sdc"> <div class="tt"><b>產品列表</b></div> <div class="pl"> <ul> <li style=" padding-left:10px;"><a href="/index.php?r=article/Category/index&class_id=73" title="低溫脫硝系列"><b>>> 低溫脫硝系列</b></a></li> <li style=" padding-left:10px; 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