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class="line-big padding-big-top"> <div class="d-boxs d-pad"> <div class="show_content padding-large-bottom content_detail"> <div class="show_body detail"> <h1>可燃粉塵集塵器的爆炸危害及控制</h1> <div class=" padding-bottom text-center qhd-title"> <span><strong>作者：</strong></span> <span><strong>日期：</strong>2021-11-22</span> <span><strong>瀏覽：</strong><font class="countnum"><script src="/inc/AspCms_Visits.asp?id=1066"></script></font></span> <br><div class="bshare-custom"><a title="分享到微信" class="bshare-weixin"></a><a title="分享到QQ好友" class="bshare-qqim"></a><a title="分享到QQ空間" class="bshare-qzone"></a><a title="分享到新浪微博" class="bshare-sinaminiblog"></a><a title="分享到騰訊微博" class="bshare-qqmb"></a><a title="分享到搜狐微博" class="bshare-sohuminiblog"></a><a title="分享到百度空間" class="bshare-baiduhi"></a><a title="分享到豆瓣" class="bshare-douban"></a><a title="更多平臺" class="bshare-more bshare-more-icon more-style-addthis"></a><span class="BSHARE_COUNT bshare-share-count">0</span></div><script type="text/javascript" charset="utf-8" src="http://static.bshare.cn/b/buttonLite.js#style=-1&uuid=&pophcol=2&lang=zh"></script><script type="text/javascript" charset="utf-8" src="http://static.bshare.cn/b/bshareC0.js"></script> </div> <div><p>在處置可燃粉塵過程中,普遍運用集塵器。經過集塵器將粉塵從氣相中別離下來，然后將潔凈的空氣從工藝系統排放至大氣;或者在部分引風系統中，經過集塵器除去空氣中的粉塵，使排放的空氣達標(滿足環保的請求)。</p><p><br/></p><p><br/></p><p><span style="white-space:pre"> </span>粉塵爆炸通常需求滿足五個根本的條件，在集塵器中，這五個條件都能具備。以往的粉塵爆炸事故統計標明，約40%的粉塵爆炸事故發作在集塵器中，正是由于集塵器容易具備發作粉塵爆炸的各種條件所致。</p><p><br/></p><p><br/></p><p><span style="white-space:pre"> </span>通常能夠從兩個方面降低集塵器內發作粉塵爆炸的風險，一是預防發作粉塵爆炸，一是當爆炸發作時，盡量減緩事故的結果。</p><p><br/></p><p><br/></p><p><span style="white-space:pre"> </span>從形成事故的緣由動手，控制著火源是避免在集塵器內發作爆炸的重要手腕。靜電是集塵器內的主要著火源，因而，集塵器需求有妥善靜電接地。關于著火能較低的粉塵，防止集塵器的濾袋(或過濾濾芯)構成靜電積聚十分重要。常見的一些事故緣由是過濾器的濾袋或濾芯采用了不能導靜電的資料制成，能構成靜電累積和放電，引燃可燃粉塵與空氣的爆炸性混合物?；蛘?，雖濾袋或濾芯是由，當它匯集足夠靜電后，會向曾經接地的集塵器本體放電，構成火花放電?；鸹ǚ烹娔芴峁└哌_1000mJ的能量，足以引燃大局部可燃粉塵。假如濾袋(或濾芯)與集塵器本體之間存在絕緣墊片，需求做好跨接，這一點至關重要!</p><p><br/></p><p><br/></p><p><span style="white-space:pre"> </span>在緩和事故結果的方面，通常在集塵器上設置爆破板。爆破板一定要釋放至室外，并且朝向平安的中央。在爆破板的出口端應防止構成太大的背壓，例如不能在出口處設置密集的絲網。</p><p><br/></p><p><br/></p><p><span style="white-space:pre"> </span>當集塵器內發作粉塵爆炸時，壓力會升高，除了從爆破板處泄壓外，高溫的氣體可能逆流回到上游(工藝系統)，因而，為了避免集塵器內的爆燃或爆炸蔓延至上游，通常在集塵器的上游設置阻火閥，但是，關于Kst超越300的粉塵，不能采用這種阻火閥設計計劃，應防止采用干式除塵，濕式除塵是可取的處理計劃。</p><p><br/></p><script src="/inc/AspCms_VisitsAdd.asp?id=1066"></script></div> </div> <ul class="pager padding-big-top padding-big-bottom"> <li>上一篇：<a href='/content/?1064.html'>催化燃燒工藝特點</a> </li> <li>下一篇：<a href='/content/?1067.html'>濾袋維護</a> </li> </ul> </div> </div> </div> </div> </div>   <script type="text/javascript" src="/inc/AspCms_Statistics.asp"></script> <footer> <div class="layout"> <div class="container"> <div class="line foot-top hidden-l text-center not-animated" data-animate="fadeInUp" data-delay="200"> <div class="xl12 xs6 xm3 margin-large-bottom"> <p><span class="ficon-1"></span>常州市新北區鳳玉路26號</p> </div> <div class="xl12 xs6 xm3 margin-large-bottom"> 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