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text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">(一)、脈沖布袋除塵器對細顆粒物PM2.5具有良效凈化功能</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　近十年來，隨著我國經濟速度適宜發展，大中城市頻發霧霾天氣，并呈現越來越嚴重的趨勢。PM2.5是造成霧霾天氣的罪魁禍。在京滬等城市的大氣環境中，15%～20%的PM2.5來自燃煤鍋爐集中污染源。因此進一步提高電站鍋爐煙氣的除塵效率，降低排氣中PM2.5的濃度，對大氣環境具有重要意義。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　對于電站鍋爐煙氣，靜電除塵器對細顆粒物的捕集能力較弱，排氣中PM2.5可占總排放顆粒物的30%～40%，而</span><a style="margin: 0px; padding: 0px; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; text-decoration: none; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;" href="http://www.perherrey.com/">布袋除塵器</a><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">僅占13%。據清華大學對五家燃煤電廠的電袋復合除塵器排氣中PM2.5的實測：排放值僅為13.2～2.76mg/Nm3。按對一臺600MW機組計算，脈沖布袋除塵器可比5電場靜電除塵器少排PM2.5微細塵240t/a。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　濕式靜電除塵器確實對微細顆粒物也具有高的捕集效率，較近已在多家電廠試用。但是對于濃度好、多組分的電站鍋爐煙氣，濕式靜電除塵器并不具備單獨使用的能力，通常只能作為不達標除塵脫硫設施下游的末端“收尾”處理設備配合使用，系統復雜，占地多，二次能耗大。此外濕式除塵腐蝕、易堵、污染物轉移、構件易損、維護管理工作量大的弊端依然存在。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">(二)、脈沖除塵器調試過程出現問題及分析</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　1、煙氣溫度</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　調試初期，由于處于水泥生產的旺季，廠家為了趕訂單，整個立窯處于嚴重超負荷深暗火運行狀態，其結果是立窯出口處煙氣溫度很低，在40~50之間波動。雖然煙管和除塵器都采取了保溫措施，除塵布袋處的溫度也只在40左右，煙氣結露嚴重。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　除塵布袋出現了局部“糊袋”現象，阻力劇增，風機不能正常工作。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　為保護除塵器正常運轉，唯有適當提高立窯煙氣的出口溫度到70~110。建議廠家采用兩個措施，一是適當降低產量，二是提高燒窯水平，控制在淺暗火操作，目的是使立窯煙氣溫度基本可提高到70~90。同時，為進一步降低煙氣的熱損失，對整個</span><a style="margin: 0px; padding: 0px; text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; text-decoration: none; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px;" href="http://www.perherrey.com/">脈沖除塵器</a><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">系統的保溫和密封性能進行了檢查和修補。采取了這些綜合措施后，“糊袋”問題深受解決。由于除塵布袋表面的聚四氟乙烯薄膜對煙塵具有良好的剝離性能，當較長時間處于高溫狀態時，因局部“糊袋”而產生的塵塊被烘干后，在噴吹時自動脫落，除塵布袋也得以自動。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　為防止“燒袋”，除塵器在設計時充分考慮了溫度控制系統。當煙氣溫度大于260時，混風氣動蝶閥自動打開，冷空氣通過混風管混入立窯煙氣中，使煙氣溫度下降到260以下。若混風后，煙氣溫度仍大于260混風氣動蝶閥自動關閉，旁通煙囪蝶閥自動打開，同時風機自動停機，立窯煙氣通過部分沉降室后直接外排。此時，看火工和操作工要及時采取措施，把窯面溫度降下來，以免長時間煙氣超標外排。</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　2、噴吹空氣量及噴吹周期</span><br style="margin: 0px; padding: 0px; color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"/><span style="color: rgb(62, 70, 81); text-transform: none; text-indent: 0px; letter-spacing: normal; font-family: "Microsoft YaHei"; font-size: 14px; font-style: normal; font-weight: 400; word-spacing: 0px; float: none; display: inline !important; white-space: normal; orphans: 2; widows: 2; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">　對脈沖除塵器而言，清灰效果好壞主要由噴吹空氣量和噴吹周期決定。本除塵器在初期選配的空壓機氣量為0.9m/min，貯氣罐，除塵布袋排與排之間噴吹時間間隔為l0s，共有12排。調試時發現，清灰效果較差，尤其當煙氣溫度偏低時。分析原因，主要是壓縮空氣量偏少，加上噴吹周期又較短，造成噴吹力不夠。后把空壓機換成氣量為1.5/min除塵布袋排與排之間噴吹時間間隔則改為20s，噴吹清灰效果深受。</span></p></div> <div class="change">上一篇：<a href='/mshyxx/mshyxx142.html'>VOC催化燃燒設備大致的工藝流程和廢氣處理技術</a> </br> 下一篇：<a href='/mshyxx/mshyxx150.html'>催化燃燒設備的使用規則以及異同</a> </div> </div> </div> <div class="clear"></div> </div> </div> <div class="mbic-foot"> <div class="top"> <div class="foot-lx"><img src="/images/dianh2.png" height="60" /></div> <div class="leftul"> <div class="labels"> 網站導航</div> <ul> <li> <a href="/">網站首頁</a> </li> <li> <h2><a href="/about.html">公司簡介</a></h2> </li> <li> <h2><a href="/news/news.html">信息動態</a></h2> </li> <li> <h2><a href="/products/product.html">產品展示</a></h2> </li> <li> <h2><a href="/mscj.html">公司場景</a></h2> </li> <li> <h2><a href="/msal.html">成功案例</a></h2> </li> <li> <h2><a href="/mswh.html">企業文化</a></h2> </li> <li> <h2><a href="/contact.html">聯系我們</a></h2> </li> </ul> </div> <div class="left1"> <div class="labels"> 聯系我們</div>  <p>手機：18817076690</p> <p>地址：湖南省常德市武陵區南坪街道竹根潭社區14組</p> </div> <div class="erwei2"> <div class="erwei1"> </div> <div class="ew-wen"></div> </div> <div class="erwei"> <div class="erwei1"> <img src="/images/erwei.jpg" width="120" height="120" /></div> <div class="ew-wen">掃一掃，進入手機站</div> </div> <div class="clear"></div> </div> <div class="bottom"> <div class="fb-frame"> <div class="foot_record">Copyright ? 2021-2022 http://www.perherrey.com. 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