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class="clear"></div> </div> </div>   <div id="vtlylumtj" class="ly_crumb"> <img src="/skins/582807/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > <span>粉塵濃度分析儀使用中的注意事項有哪幾點</span></p> </div>   <div id="vtlylumtj" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">粉塵濃度分析儀使用中的注意事項有哪幾點</h1> <div id="vtlylumtj" class="NyNewsdetail_tips">更新時間：2023-09-01 點擊次數(shù)：553</div> <div id="vtlylumtj" class="NyNewsdetail_con"> <p><span style="font-family: Arial;color: rgb(86, 86, 86);letter-spacing: 0;font-size: 15px">　</span><span style=";font-family:Calibri;font-size:14px"><span style="font-family:宋體">在實際使用過程中，粉塵濃度分析儀一般通過電容法，光吸收法，電荷感應(yīng)法和光散射法的工作原理來測量。通常有兩個地方使用。一是測量環(huán)境和煙道中的粉塵含量，主要與環(huán)境保護和職業(yè)健康有關(guān)。另一種是防止粉塵爆炸，主要用于生產(chǎn)車間。目前，塵埃檢測技術(shù)已進步激光后向散射的原理主要是檢測塵埃粒子對光的散射，對什么樣的塵埃影響很小。測量主要是煙霧和各種爆炸性粉塵。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> <span style="font-family:宋體">一般常規(guī)的制石廠粉塵來源主要是由上一級設(shè)備至本級皮帶的煤流落差造成的煤粉揚塵，以及皮帶機運行中由于高速運動造成的二次揚塵。粉塵飛揚嚴重的地點是輸煤系統(tǒng)落煤導(dǎo)料槽出口以及煤倉間犁煤器落煤口，由于落料沖擊氣流影響，煤粉從導(dǎo)料槽出口和密封不嚴的縫隙沖出，造成現(xiàn)場空間粉塵濃度超過</span><span style="font-family:Calibri">DL/T</span><span style="font-family:宋體">《火力發(fā)電廠采暖通風(fēng)與空氣調(diào)節(jié)設(shè)計規(guī)程》規(guī)定的作業(yè)場所粉塵質(zhì)量濃度</span><span style="font-family:Calibri">4mg/m3</span><span style="font-family:宋體">的標準。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> <span style="font-family:宋體">輸煤系統(tǒng)粉塵屬于微塵，粉塵的粒徑基本小于</span><span style="font-family:Calibri">10um,</span><span style="font-family:宋體">其中，大于等于</span><span style="font-family:Calibri">5um</span><span style="font-family:宋體">的粉塵約占</span><span style="font-family:Calibri">13%,</span><span style="font-family:宋體">，小于</span><span style="font-family:Calibri">5um</span><span style="font-family:宋體">的粉塵約占</span><span style="font-family:Calibri">87%</span><span style="font-family:宋體">，這些粉塵顆粒細，嚴重威脅現(xiàn)場工作人員身體，為了給運行人員創(chuàng)造一個安全衛(wèi)生的工作環(huán)境，必須控制工作地點的空氣含塵濃度。安裝粉塵濃度分析儀在線實時監(jiān)測現(xiàn)場粉塵濃度。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> <span style="font-family:宋體">粉塵的危害歸結(jié)起來可以分為三大類：對人體健康的危害、對生產(chǎn)的影響及對環(huán)境的影響。無論是對個人健康還是對社會發(fā)展來說，粉塵污染帶來的危害都是不容小覷的。因此，加強防范和治理粉塵污染的力度，是我們目前面對的重要課題，這就把粉塵濃度分析儀推上了一個重要位置。那么，在國家對粉塵污染加強重視與管理的今天，我們?nèi)绾蝸碣徺I和使用才更加規(guī)范呢</span></span><span style=";font-family:宋體;font-size:14px">。</span></p><p><strong><span style="font-family: Calibri;font-size: 14px"><span style="font-family:宋體">使用中的注意事項有如下幾點：</span></span></strong><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> (1)<span style="font-family:宋體">使用粉塵濃度分析儀禁止在高塵埃濃度的環(huán)境中、含有水氣、油污及腐蝕性物質(zhì)的環(huán)境中以及高溫環(huán)境中使用。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> (2)<span style="font-family:宋體">應(yīng)在取樣口和儀器工作位置無壓差、溫差的狀態(tài)下工作。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> (3)<span style="font-family:宋體">電源插頭座必須接觸可靠。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> (4)<span style="font-family:宋體">儀器在搬動時避免振動和撞擊。</span></span><span style=";font-family:Calibri;font-size:14px"><br/></span><span style=";font-family:Calibri;font-size:14px"> (5)<span style="font-family:宋體">本儀器不適用需要防爆的場合。</span></span></p><p><br/></p> </div> <div id="vtlylumtj" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-3461916.html">你知道引起粉塵爆炸的原因有幾點嗎</a></li> <li>下一篇：<a href="/Article-3461889.html">在線粉塵檢測設(shè)備日常維護該怎么做?</a></li> </ul> </div> </div>   <div id="vtlylumtj" class="foot_box"> <div id="vtlylumtj" 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