溴化鋰制冷機制冷量為何會持續下降_西安西明環?？萍加邢薰?/title> <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;"><menuitem id="xibze"></menuitem><sub id="xibze"><label id="xibze"><source id="xibze"><thead id="xibze"></thead></source></label></sub><dl id="xibze"></dl><nav id="xibze"><small id="xibze"><pre id="xibze"><ruby id="xibze"></ruby></pre></small></nav><output id="xibze"></output><address id="xibze"><wbr id="xibze"><s id="xibze"><tt id="xibze"></tt></s></wbr></address><rt id="xibze"></rt><del id="xibze"><dfn id="xibze"><td id="xibze"><option id="xibze"></option></td></dfn></del><div id="xibze"><font id="xibze"><listing id="xibze"></listing></font></div><bdo id="xibze"><noscript id="xibze"><ol id="xibze"></ol></noscript></bdo><pre id="xibze"></pre><tr id="xibze"></tr><cite id="xibze"></cite><blockquote id="xibze"><code id="xibze"><tbody id="xibze"><dl 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bgff p12"> <div class="subject"> <div class="position">當前位置：<a href="/">首頁</a> > <a href="/html/xinwendongtai/" title="新聞動態">新聞動態</a> > <a href="/html/changjianwenda/" title="常見問答">常見問答</a></div> <b>常見問答</b> </div> <div class="artshow"> <h1 class="title">溴化鋰制冷機制冷量為何會持續下降</h1> <div class="info">發布時間：2022-5-12 10:38:58　瀏覽次數：<span id="hits">34</span></div> <div class="content infoimg"> <p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; text-indent: 2em;">制冷設備使用長時間后，蒸汽型<a href="http://www.1810you.com/" title="溴化鋰" target="_blank" class="sitelink">溴化鋰</a>吸收式制冷機組就會出現問題，例如不制冷，制冷量下降。經過檢查發現，冷媒水的進出水溫差逐漸減小，蒸發器冷劑水位異常升高，高壓發生器、低壓發生器液位穩定，吸收器液位偏低，各泵運行正常，制冷機真空度沒有變化。這些問題是怎樣形成的呢？今天西安西明環保小編為您解答：</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-align: center; text-indent: 2em;"><span style="margin: 0px; padding: 0px; text-indent: 2em;"><img src="/upfile/202205/202251210397444.jpg" alt="" style="margin: 0px; padding: 0px; border: none; max-width: 80%; height: auto;"/><br style="margin: 0px; padding: 0px;"/></span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><span style="margin: 0px; padding: 0px; text-indent: 2em;">經過對<a href="http://www.1810you.com/html/huarongyejizaisheng/" title="溴化鋰溶液" target="_blank" class="sitelink">溴化鋰溶液</a>進行取樣分析，我們發現其濃度僅為45%(正常值53%)。初步判定水通過銅管漏入溴化鋰溶液中，造成吸收效果不好而影響冷量。易發生部位為冷凝器、吸收器和蒸發器。吸收器噴淋液位較低，高、低壓發生器液位穩定，在循環量不變的情況下，溴化鋰溶液可能有流失現象。易發生部位為高壓發生器和凝水回熱器。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">把故障機組的冷凝器、蒸發器和吸收器的封板打開，發現蒸發器水室比較清潔，而冷凝器、吸收器水室有雜物、小石塊，換熱銅管里有小石塊。說明在水的壓力作用下，沖擊石塊擠壓使銅管破裂。對高壓發生器、冷凝冷卻器凝水，分別取樣分析，發現高壓發生器凝水無異常，凝水回熱器凝水濃度達到10%～35%?？梢源_定，凝水回熱器泄漏，溴化鋰溶液漏入凝水而排出機組。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><br style="margin: 0px; padding: 0px;"/></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;"><strong style="margin: 0px; padding: 0px;">修復及防范措施</strong></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(1) 對冷凝器、吸收器采用氮氣正壓檢漏,確定銅管泄漏的確切位置。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(2) 對凝水回熱器水側進行切割, 銅管不受損傷。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(3) 開啟發生泵,關閉高、低壓發生器入口閥,檢查凝水回熱器漏點。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(4) 泄漏銅管確定后,用有錐度的銅塞把兩端封死。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(5) 焊好凝水回熱器兩端水室封板。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(6) 修復完畢后,對機組抽氣20 min ,后開啟發生泵、吸收泵,調整高、低壓發生器液位,再對機組進行抽真空至規定值,緩慢通入蒸汽,慢慢制冷機恢復正常,達到了額定冷量。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(7) 冷卻水入口處增加濾網,防止冷卻水中的雜物進入;濾網旁開一手孔,可以定期清理雜物。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 2em;">(8) 在冷卻水主管線增加放空管,定期排放雜物。</p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; font-family: "Microsoft YaHei", arial, helvetica, clean, sans-serif; color: rgb(80, 80, 80); font-size: 16px; 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