循環冷卻水處理系統面臨的問題-山東志恒環?？萍?/title> <meta content="循環水處理" name="keywords" /> <meta content="冷卻水在循環系統中不斷循環，由于水溫升高、流速變化、蒸發、各種無機離子和有機物質的濃縮，冷卻塔和冷卻水池在室外風吹雨淋、灰塵雜物的進入及設備結構和材料等多種因素的" name="description" /> <link href="http://www.pitytrain.com/static/default//style/bootstrap.min.css" rel="stylesheet"> <link href="http://www.pitytrain.com/static/default//style/font-awesome.min.css" rel="stylesheet"> <link href="http://www.pitytrain.com/static/default//images/style.css" rel="stylesheet" /> <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;"><dfn id="j993b"></dfn><thead id="j993b"><sub id="j993b"></sub></thead><font id="j993b"></font><delect id="j993b"></delect><mark id="j993b"></mark><sub id="j993b"><noframes id="j993b"></noframes></sub><em id="j993b"></em><big id="j993b"><progress id="j993b"><dfn id="j993b"><th id="j993b"></th></dfn></progress></big><del 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<ul> <li>反滲透濃水回用</li> <li>煙氣脫白</li> <li>煙氣消白</li> </ul> </div> <form class="formsearch" action="/index.php" method="get"> <div class="form"> <input class="search-keyword" type="hidden" name="s" value="article"> <input type="hidden" name="c" value="search"> <input class="search-keyword" id="search-keyword" type="text" placeholder="搜索內容..." name="keyword"> <input class="search-submit glyphicon glyphicon-search" type="submit" value="搜索" /> </div> </form> </div> </div> <div class="inner-cont"> <div class="container"> <div class="inner-right" style="float:left;"> <div class="inner-place"> <div class="inner-position"><strong>當前位置:</strong><a href="/">網站首頁></a><a href="http://www.pitytrain.com/news">新聞動態</a>><a href="http://www.pitytrain.com/news/gsxw">公司新聞</a></div> </div> <div class="article-article"> <h1 class="inner-title">循環冷卻水處理系統面臨的問題</h1> <div class="attr"> <p> <span>文章來源：志恒環保</span> <span>作者：志恒環保</span> <span>發布時間：2019-06-12 15:38:31 </span> <span>瀏覽次數：<span class="dr_show_hits_215">0</span><script type="text/javascript"> $.ajax({ type: "GET", url:"/index.php?s=api&c=module&siteid=1&app=article&m=hits&id=215", dataType: "jsonp", success: function(data){ if (data.code) { $(".dr_show_hits_215").html(data.msg); } else { dr_tips(0, data.msg); } } }); </script></span></p> <div class="back"></div> </div> <div class="info"> <p style="text-indent: 2em;"><span style="text-indent: 2em;">冷卻水在循環系統中不斷循環，由于水溫升高、流速變化、蒸發、各種無機離子和有機物質的濃縮，冷卻塔和冷卻水池在室外風吹雨淋、灰塵雜物的進入及設備結構和材料等多種因素的作用，會產生很多問題：</span></p><p style="text-indent: 2em;"><span style="text-indent: 2em;"></span></p><p><img src="/ueditor/php/upload/image/20190612/1560325161520580.jpg" title="循環水處理" width="600" height="450" alt="循環水處理"/></p><p style="text-indent: 2em;"><strong style="text-indent: 2em;">1、結垢與沉積</strong><span style="text-indent: 2em;"><br/></span></p><p style="text-indent: 2em;">在循環水系統中，碳酸氫鹽的濃度隨蒸發濃縮而增加。當其濃度達到過飽和狀態，或經過傳熱表面水溫升高時，會分解生成碳酸鹽，在高溫和低流速的地方沉積在傳熱表面，造成降低熱傳效率或傳熱不均、設備腐蝕，甚至會使換熱器堵塞，系統阻力增大，水泵和冷卻塔效率下降，增加管線輸送壓力落差及電力消耗。</p><p style="text-indent: 2em;"><strong>2、設備腐蝕</strong></p><p style="text-indent: 2em;">由于冷卻水中含有溶解氧以及各種電解質，它會由于電位差而產生電化學反應，從而產生電化學腐蝕，例如熱交換器之銅管與碳鋼端板，接觸部分的碳鋼部分會因此加速腐蝕，有害離子也會引起腐蝕。此外，當微生物繁殖時，其微生物體的分泌物與冷卻水中有機物、無機物聚積而形成的粘泥沉積在系統中時，將造成沉積下金屬腐蝕。其他影響腐蝕的因素尚有：pH、固溶物、溫度、流速等。腐蝕會縮短設備壽命，腐蝕產物會加劇污垢的形成，引起非計劃停車。</p><p style="text-indent: 2em;"><img src="/ueditor/php/upload/image/20190612/1560325161204986.jpg" title="循環水處理" width="600" height="450" alt="循環水處理"/><br/></p><p style="text-indent: 2em;"><strong>3、微生物滋生</strong></p><p style="text-indent: 2em;">微生物可分為細菌、真菌及藻類，由于其散布在自然界各角落，而冷卻水的溫度、pH值均在適合微生物繁衍的范圍，若未加以控制，微生物不斷繁殖，會在換熱器管內產生粘泥污垢，粘泥附著在傳熱表面會引起腐蝕，導致端差增加，換熱效果下降，影響生產效率。嚴重時，粘泥甚至將堵塞管束，且在粘泥沉積地方造成沉積物下腐蝕，導致設備損壞等。</p> <p>相關文章：<a href="http://www.pitytrain.com/article/search/keyword-%E5%BE%AA%E7%8E%AF%E6%B0%B4%E5%A4%84%E7%90%86.html">循環水處理</a></p> </div> <ul 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