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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/huabaike/" title="溴化鋰百科">溴化鋰百科</a></div> <b>溴化鋰百科</b> </div> <div class="artshow"> <h1 class="title">影響溴化鋰溶液對金屬材料腐蝕的因素</h1> <div class="info">發布時間：2022-5-12 10:33:50　瀏覽次數：<span id="hits">20</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;"><a href="http://www.1810you.com/html/huarongyejizaisheng/" title="溴化鋰溶液" target="_blank" class="sitelink">溴化鋰溶液</a>的物理性質（ BrLi ）</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;"><a href="http://www.1810you.com/" title="溴化鋰" target="_blank" class="sitelink">溴化鋰</a>是由堿金屬元素鋰（Li）和鹵族元素（Br）兩種元素組成，其一般性質和食鹽大體類似，是一種穩定的物質，在大氣中不變質、不揮發、不分解、極易溶解于水，20℃時在水中的溶解度約為食鹽的溶解度的3倍左右。常溫下是無色粒狀晶體，..、無臭、有咸苦味。</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;">溴化鋰溶液具備強烈的吸濕性</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;">溴化鋰溶液的吸濕性很強，具有吸收比其溫度低得多的水蒸汽的能力。且溴化鋰溶液溫度越低、濃度越高吸水性越強。</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;">溴化鋰溶液結晶性</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;">一定溫度下的溴化鋰飽和水溶液，當溫度降低時，由于溴化鋰在水中溶解度的減小，就會形成結晶現象，造成事故。作為機組的工質，溴化鋰溶液應始終處于液體狀態，無論是運行或停機期間，都必須防止溶液結晶，這一點非常重要。</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;">溴化鋰溶液對金屬材料具有腐蝕性</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;">溴化鋰溶液對金屬材料具有腐蝕作用，氧氣是促進腐蝕發生的主要因素，因此在溴化鋰吸收式機組中，隔絕氧氣是.根本的防腐措施。</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;">影響溴化鋰溶液對金屬材料腐蝕的因素</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;">影響溴化鋰溶液對金屬材料腐蝕的幾個因素有溶液的濃度、溶液的溫度、溶液的堿度。這其中，溶液的溫度對腐蝕作用的影響.大。</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;"><img src="/upfile/202205/202251210349983.jpg" alt="" style="margin: 0px; padding: 0px; border: none; max-width: 80%; height: auto;"/></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.溶液的溫度</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;">溶液溫度超過180℃ ，溶液對金屬材料的腐蝕速度急劇加劇，因此溶液溫度不允許超過180℃ 。對于蒸汽型機組存在一個蒸汽過熱度的問題。</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;">有關蒸汽過熱度問題：</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;">蒸汽壓力為0.4MPa，對應的飽和蒸汽溫度為152℃；</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;">蒸汽壓力為0.6MPa，對應的飽和蒸汽溫度為165℃；</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;">蒸汽壓力為0.8MPa，對應的飽和蒸汽溫度為175℃；</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．溶液的酸堿度</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;">PH≤7或PH≥10.5，溶液對金屬材料的腐蝕加劇..佳的PH值在9-10.5之間。</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;">總之，溴化鋰溶液的分析和調整是非常重要的,通常的分析要包括溶液的酸堿度和緩蝕劑的濃度。因此對溶液添加進機組以后不加任何分析和調整的做法是對用戶的極端不負責的。</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;">什么叫緩蝕劑？</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;">顧名思義，緩蝕劑是指添加到溶液中，在化學反應作用下，可在金屬表面生成保護膜，以減少或延緩溶液對鋼板產生腐蝕的添加物。</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;">通常有鉻酸鋰（ Li2CrO4）和鉬酸鋰（Li2MoO4 ）兩種。選用Li2MoO4作為緩蝕劑。</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;">緩蝕機理</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;">3Fe＋4H2O＋ Li2MoO4→Fe3O4＋MoO2＋2LiOH＋3H2</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;">由此可以看出，緩蝕劑加入機組以后要被消耗，而且溶液的酸堿度也要發生變化，所以在日后的服務工作中，要對溶液進行分析和調整。</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;">吸收式制冷機結構組成</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;">蒸發器、吸收器、低溫發生器、高溫發生器、冷凝器、高低溫熱交換器、屏蔽泵、真空泵、控制盤、燃燒器、凝水熱交換器、凝水疏水器、蒸汽調節閥、自動抽氣裝置組成。</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.蒸發器 E</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;">蒸發器是機組制成冷（溫）水的場所，管殼式熱交換器，內部為噴淋式結構，換熱管為..換熱管。冷劑水被冷劑泵噴淋至換熱管的外表面并不斷蒸發，吸收管內循環水的熱量，使其溫度下降。主要組成部..括管板、傳熱管、支撐板、噴淋集管和噴嘴。</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.吸收器 A</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;">吸收器和蒸發器相同，也是管殼式熱交換器，內部為噴淋式結構，換熱管為銅光管。由蒸發器通過擋液板過來的冷劑蒸汽被噴淋的濃溶液所吸收，濃溶液變成稀溶液，同時釋放出熱量。熱量被換熱管內流動的冷卻水帶走。主要組成部..括管板、傳熱管、支撐板、噴淋集管和噴嘴，以及抽氣集管。</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.低溫發生器 G2</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;">低溫發生器也是管殼式換熱器，低溫發生器內部為噴淋式結構。稀溶液被噴淋至換熱管外表面，由高溫發生器產生的冷劑蒸汽在換熱管內流動，加熱稀溶液，同時并與產生的冷劑蒸汽一道流向冷凝器。主要組成部..括管板、傳熱管、支撐板、噴淋集管和噴嘴。</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.冷凝器 C</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;">冷凝器也是管殼式換熱器，由發生器過來的冷劑蒸汽在換熱管表面凝結成冷劑水，釋放的熱量被換熱管內流動的冷卻水帶走。主要組成部..括管板、傳熱管、支撐板。</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;">5.高溫發生器 G1</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;">高溫發生器是吸收式制冷機中非常關鍵的組成部分，通常作成為一個單體。主要由筒體、管板、換熱管等組成。</p><p><br/></p> <div class="list_page page_group"> <ul> </ul> </div> </div> <div class="pn"> <div class="pre">上一篇： <a href="/html/huabaike/452.html" title="溴化鋰吸收式制冷機組的這些運作要求，你都知道嗎？">溴化鋰吸收式制冷機組的這些運作要求，你都知道嗎？</a> </div> <div class="next">下一篇： <a href="/html/huabaike/498.html" title="溴化鋰水循環系統的化學除垢與清洗方法">溴化鋰水循環系統的化學除垢與清洗方法</a> </div> <a class="back" href="/html/huabaike/">返回</a> </div> </div> <div class="clear"></div> </div> <div class="clear"></div> </div> </div> <div class="h0"></div> <div class="nav-f-sub"> <div class="w"> <ul> <h2><a href="/list.asp?classid=12">關于我們</a></h2> <li><a href="/html/gongsijianjie/">公司簡介</a></li> <li><a href="/html/qiyewenhua/">企業文化</a></li> <li><a href="/html/zizhirongyu/">資質榮譽</a></li> </ul> <ul> <h2><a href="/html/chanpinzhongxin/">產品中心</a></h2> <li><a href="/html/zhilengjiweixiu/">制冷機維修</a></li> <li><a href="/html/zhilengjizubaoyang/">制冷機組保養</a></li> <li><a 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