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target="_blank">氣袋法采樣器</a></strong>正在幫助我們實(shí)現(xiàn)環(huán)境污染的改善<div>　　隨著我國工業(yè)化進(jìn)程日益推進(jìn)，環(huán)境中的污染物的威脅越來越成為困擾我國經(jīng)濟(jì)社會(huì)發(fā)展的重大問題，而其中的顆粒物污染是比較重要的污染指標(biāo)之一。特別是在我國煤燃燒比重還是很高的現(xiàn)實(shí)境況下，煤炭燃燒排放出大量的顆粒污染物。為此，有效檢測空氣和特定環(huán)境中顆粒物濃度成為現(xiàn)在環(huán)境監(jiān)測領(lǐng)域研究的方向之一。氣袋法采樣器就是在此環(huán)境下的產(chǎn)物之一，接下來就請(qǐng)大家跟隨著小編一起來認(rèn)識(shí)認(rèn)識(shí)氣袋法采樣器吧。</div><div>　　<strong>氣袋法采樣器</strong>是一種用于環(huán)境空氣采集的一種采樣設(shè)備?？諝鈽悠凡杉綒獯羞M(jìn)行實(shí)驗(yàn)室分析，一般采用采樣泵采樣，采樣泵抽氣，是外界氣體通過采樣泵進(jìn)入采樣袋，實(shí)現(xiàn)氣體采集。氣袋法采樣器將采樣袋放入真空箱內(nèi)，啟動(dòng)采樣泵吸氣，真空箱內(nèi)空氣逐漸被抽出，形成負(fù)壓，同時(shí)被測氣體流入采樣袋；采樣時(shí)間不少于30分鐘，可連續(xù)采樣或等時(shí)間間隔采樣。</div><div>　　氣袋法采樣器的主要特點(diǎn)有：</div><div>　　1、采用真空箱負(fù)壓方式采集氣態(tài)樣品，樣品氣體與氣袋法采樣器隔離不接觸，可有效避免樣品被污染。</div><div>　　2、采樣速度快，效率高。清洗置換氣袋內(nèi)殘余氣體時(shí)，無需插拔氣袋連接管，通過控制氣袋法采樣器上的“換向按鈕”，即可在干凈空氣環(huán)境中完成氣袋內(nèi)殘余氣體的置換。</div><div>　　3、氣路采用化學(xué)惰性材料，保證采集的氣態(tài)樣品沒有污染和吸附。</div><div>　　4、選配采樣槍，有著濾塵功能，用于采集管道中的廢氣。</div> </div> </div> <div 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