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src="/skins/582807/images/crumb_icon.png" /><p>當(dāng)前位置：<a href="/">首頁(yè)</a> > <a href="/article.html">技術(shù)文章</a> > <span>工地?fù)P塵監(jiān)測(cè)有哪些方式</span></p> </div>   <div id="99ypdan7f2" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">工地?fù)P塵監(jiān)測(cè)有哪些方式</h1> <div id="99ypdan7f2" class="NyNewsdetail_tips">更新時(shí)間：2024-04-01 點(diǎn)擊次數(shù)：450</div> <div id="99ypdan7f2" class="NyNewsdetail_con"> <div>工地?fù)P塵監(jiān)測(cè)是對(duì)建筑工地、道路施工等場(chǎng)所產(chǎn)生的揚(yáng)塵進(jìn)行實(shí)時(shí)監(jiān)測(cè)，以評(píng)估空氣質(zhì)量和環(huán)境保護(hù)措施的效果。揚(yáng)塵監(jiān)測(cè)有助于減少空氣污染，保護(hù)工人健康和改善周邊居民的生活環(huán)境。以下是幾種常見的工地?fù)P塵監(jiān)測(cè)方式：</div><div>　　1. 濾膜測(cè)塵法：這是一種傳統(tǒng)的測(cè)塵方法，通過將一定體積的空氣通過濾膜，使塵埃顆粒被截留在濾膜上，然后通過稱重濾膜來確定空氣中塵埃的質(zhì)量濃度。這種方法可以測(cè)定總懸浮顆粒物(TSP)、可吸入顆粒物(PM10)和細(xì)顆粒物(PM2.5)。</div><div>　　2. β射線吸收法：這種方法利用β射線通過空氣樣本時(shí)，其強(qiáng)度衰減與空氣中顆粒物的濃度成正比的原理來測(cè)定顆粒物的濃度。這種方法自動(dòng)化程度高，準(zhǔn)確性好，但設(shè)備成本較高。</div><div>　　3. 激光散射法：激光散射法通過發(fā)射激光束照射空氣中的顆粒物，然后檢測(cè)散射光的強(qiáng)度來推算顆粒物的濃度。這種方法響應(yīng)速度快，可以實(shí)現(xiàn)實(shí)時(shí)監(jiān)測(cè)，但可能受到顆粒物形狀和折射率的影響。</div><div>　　4. 振蕩天平法：振蕩天平法是通過測(cè)量固定在天平一端的濾膜振動(dòng)頻率的變化來測(cè)定顆粒物的質(zhì)量濃度。當(dāng)天平上的濾膜收集到顆粒物后，其振動(dòng)頻率會(huì)發(fā)生變化，從而可以計(jì)算出顆粒物的質(zhì)量濃度。</div><div>　　5. 光度計(jì)法：光度計(jì)法是通過測(cè)量空氣中顆粒物對(duì)光的吸收或散射程度來推算顆粒物的濃度。這種方法簡(jiǎn)單易行，但受顆粒物的顏色和大小分布的影響較大。</div><div>　　6. 聲波法：聲波法利用聲波在不同介質(zhì)中傳播速度不同的原理來測(cè)定空氣中顆粒物的濃度。當(dāng)聲波穿過含有顆粒物的空氣時(shí)，其傳播速度會(huì)發(fā)生變化，通過測(cè)量這種變化可以得到顆粒物的濃度。</div><div>　　7. 遙感監(jiān)測(cè)：遙感監(jiān)測(cè)技術(shù)可以通過衛(wèi)星或無人機(jī)搭載的傳感器對(duì)地面的揚(yáng)塵情況進(jìn)行大范圍監(jiān)測(cè)。這種方法可以快速獲取大面積的揚(yáng)塵信息，但分辨率和精度相對(duì)較低。</div><div>　　8. 移動(dòng)監(jiān)測(cè)車：移動(dòng)監(jiān)測(cè)車配備了多種監(jiān)測(cè)設(shè)備，可以在不同地點(diǎn)進(jìn)行靈活的空氣質(zhì)量監(jiān)測(cè)。這種方法適用于需要對(duì)多個(gè)工地進(jìn)行監(jiān)測(cè)的情況。<br style="margin: 0px; padding: 0px;"/> </div><p><br/></p> </div> <div id="99ypdan7f2" class="ly_PrevNext"> <ul> <li>上一篇：<a 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