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<h3><a href="/dfjkge/dfjkge.html">公司動態</a></h3> <h3><a href="/dfdhiv/dfdhiv.html">常見問題</a></h3> <h3><a href="/kjlshd/kjlshd.html">行業信息</a></h3> <div class="clear"></div> </div>  <div class="pc5details"> <div class="container"> <div class="pc5newdetails"> <div class="title"> <h1>淺談袋式除塵器常見的故障問題</h1> <div class="time"><img src="/images/time.png" />發布時間：2020-07-30</div> </div> <div class="describe"> 袋式除塵器主要由箱體、清灰系統和排灰系統組成。箱體包括上箱體、中箱體和下箱體(灰斗.. </div> <p><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">袋式除塵器主要由箱體、清灰系統和排灰系統組成。箱體包括上箱體、中箱體和下箱體(灰斗)組成。脈沖清灰袋式除塵器工作過程主要包括除塵過程和脈沖清灰過程。除塵過程從含塵氣體從管道進入袋式除塵器后開始。含塵氣體導流板進入裝有若干濾袋的中箱體，通過由外向里進入濾袋。當含塵氣體穿過濾袋時，粉塵即被隔離在濾料外或吸附在濾料表面上，被凈化的氣體則從濾袋內排出。經過過濾凈化的氣體進入上箱體，通過提升閥，由除塵器出口排出。經過的過濾周期，或者濾料阻力達到值時，進行脈沖噴吹清灰。對于管噴吹脈沖式袋式除塵器，每室濾袋上都裝有一根噴吹管，噴吹管經脈沖閥與脈沖清灰壓縮空氣氣源相連。脈沖閥在脈沖信號作用下，順序開啟，瞬間反向高壓噴吹氣流以高速度從噴吹口噴出，高壓噴吹空氣自上而下方向進入濾袋，濾袋急劇膨脹，引起沖擊振動，將吸附在濾袋外表面的粉塵吹落至灰斗中，粉塵并經排灰閥排出。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　脈沖式布袋除塵器在使用中的常見故障一般可分為除塵器壓力偏高、粉塵排放超標、濾袋的使用壽命過短等方面的問題。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　除塵器的阻力在除塵器的設計中已經決定，但是在<a href="http://www.falconwright.com" target="_self">除塵器設備</a>的運行中，如果發現除塵器的阻力在短時間急劇增加，則表示除塵器發生問題，應進行維修、調整。阻力過大的原因可以分為兩種：</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　1.除塵器在系統運行后立刻發生</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　如果是新裝除塵器的阻力偏高，主要為設計不當。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　2.除塵器在工作一段時間后發生</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　造成這原因主要是操作問題和維修方面所致：主要原因是濾袋的清灰不良，濾袋堵塞、進氣分配不勻。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　2.1脈沖清灰裝置調整不良</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　定期檢查壓縮空氣的質量，是否含有油、水及供氣管道是否。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　定期檢查脈沖電磁閥工作是否正常，緊固螺栓是否松動、膜片是否損壞、電磁線圈是否松動、閥芯是否卡住。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　檢查控制儀的設定是否符合要求，是否有所改動。檢查噴氣支管、文氏管是否安裝準確。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　2.2濾袋堵塞</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　濾袋的堵塞主要原因是過濾風速過大、粉塵過細、粉塵具有勁性、濾袋清洗不良、濾袋受潮。如果除塵器運行的過濾風速超過濾袋的設計標準，則易導致廢氣中的微細粉塵卡住在濾袋纖維內部，從而發生濾袋堵塞。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　采用覆膜濾料或在濾袋的表面預覆保護性粉層，是比較好的方法。對于勁性大的粉塵，則需要降低過濾氣速，或增大脈沖噴吹的壓力，或采用離線脈沖清洗濾袋的方式，但較好的方法是增加過濾面積，以利降低過濾風速，延長濾袋的使用壽命。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　2.3濾袋清灰不良</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　濾袋清灰不良的主要包括清灰次數頻繁、清灰時間過長。清灰次數過頻容易使濾袋纖維組織松散從而增加廢氣中的微細粉塵堵塞濾袋，清灰時間過長會將濾袋表面的初始粉層一并清掉。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　如果清灰時間過短，濾袋表面的粉塵還沒有清洗干凈時，隨即開始進行過濾，粉塵逐漸累積在濾袋的表面，從而造成濾袋的堵塞，在解決這種問題，可以通過幾次試運行進行調整。</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　2.4濾袋受潮</span><br style="padding: 0px; margin: 0px; color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px; white-space: normal;"/><span style="color: rgb(62, 70, 81); font-family: Simsun; font-size: 14px;">　　濾袋受潮的原因：除塵器殼體密封不嚴漏水、進入含濕空氣，用于返吹清灰的壓縮空氣不干凈(含油、含水)、用于清灰的壓縮空氣太冷。為防止濾袋受潮，在寒冷的地區，可將用于清灰的壓縮空氣增加保溫、加溫、除油、除水，在除塵器停機后再繼續清灰。</span></p> <div class="next_page"> <ul> <li> 上一篇：<a href='/dfdhiv/dfdhiv207.html'>脈沖布袋除塵器噴吹系統及除塵原理</a> </li> <li> 下一篇：<a href='/dfdhiv/dfdhiv213.html'>袋式除塵器濾袋清灰檢漏的方法</a> </li> </ul> </div> </div> <div class="pc5hotright"> <div class="top"> <p class="big">推薦產品</p> <p class="english">Product</p> <img src="/images/down.png" /> </div> <div class="hot"> <div class="flexslider 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