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class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">在污水處理中，工業(yè)溶氧儀主要用于哪些環(huán)節的監測？</h1> <div id="4lwmsiv" class="NyNewsdetail_tips">更新時(shí)間：2025-03-24 點(diǎn)擊次數：358</div> <div id="i883vwh" class="NyNewsdetail_con"> <div>　　在污水處理中，<strong><a href="http://www.tianhualian.com.cn/Products-3043796.html" target="_blank">工業(yè)溶氧儀</a></strong>主要用于以下環(huán)節的監測：</div><div>　　</div><div>　　一、預處理環(huán)節</div><div>　　</div><div>　　1、格柵與沉砂池</div><div>　　</div><div>　　在這一環(huán)節，污水中較大的固體物質(zhì)如樹(shù)枝、樹(shù)葉、泥沙等會(huì )被去除。溶氧儀可以用來(lái)監測預處理后的污水中的溶解氧情況。雖然預處理階段通常不是直接關(guān)注溶解氧變化的主要環(huán)節，但通過(guò)監測可以了解污水進(jìn)入后續處理單元前的初始狀態(tài)。例如，如果污水在格柵和沉砂池中停留時(shí)間較長(cháng)，水中的微生物可能會(huì )消耗一定的溶解氧，通過(guò)溶氧儀可以及時(shí)發(fā)現這種初始的溶解氧變化情況。</div><div>　　</div><div>　　2、初沉池</div><div>　　</div><div>　　在初沉池中，污水中的懸浮顆粒會(huì )沉淀下來(lái)。溶氧儀可以監測初沉池中污水的溶解氧。這是因為初沉池中的微生物活動(dòng)也會(huì )對溶解氧產(chǎn)生影響。例如，一些厭氧微生物可能會(huì )在初沉池的污泥層中繁殖，其代謝過(guò)程中會(huì )產(chǎn)生一些影響溶解氧的物質(zhì)。通過(guò)溶氧儀可以檢測到溶解氧的變化，從而判斷微生物的活動(dòng)情況以及是否存在可能影響后續處理的問(wèn)題。</div><div>　　</div><p style="text-align: center;"><img src="https://img50.chem17.com/9/20250324/638784293268592262395.jpg" alt="工業(yè)溶氧儀" width="800" align="middle" /></p><p> </p><div>　　二、生物處理環(huán)節</div><div>　　</div><div>　　1、活性污泥法中的曝氣池</div><div>　　</div><div>　　這是工業(yè)溶氧儀應用最為關(guān)鍵的環(huán)節之一。在曝氣池中，活性污泥中的微生物通過(guò)自身的生命活動(dòng)降解污水中的有機污染物。微生物在分解有機物的過(guò)程中需要消耗大量的溶解氧。溶氧儀可以實(shí)時(shí)監測曝氣池中的溶解氧濃度。</div><div>　　</div><div>　　操作人員可以根據溶氧儀的數據精確控制曝氣設備的運行。如果溶解氧濃度過(guò)低，會(huì )導致微生物的代謝活動(dòng)受到抑制，從而影響污水處理效果；如果溶解氧濃度過(guò)高，不僅會(huì )造成能源浪費，還可能導致污泥老化等問(wèn)題。理想的溶解氧濃度范圍因處理工藝和污水性質(zhì)而異，一般生活污水處理中，曝氣池的溶解氧濃度控制在2-4mg/L左右。</div><div>　　</div><div>　　2、生物膜法處理中的生物反應器</div><div>　　</div><div>　　在生物膜法（如生物濾池、生物轉盤(pán)等）的生物反應器中，同樣需要利用溶氧儀來(lái)監測溶解氧。以生物濾池為例，污水在濾料表面形成的生物膜中微生物的作用下得到凈化。溶氧儀可以幫助確定是否需要向生物濾池補充氧氣，以保證微生物正常的代謝活動(dòng)。例如，當進(jìn)水有機負荷發(fā)生變化時(shí)，通過(guò)溶氧儀可以及時(shí)調整曝氣強度，使生物膜中的微生物始終處于理想的生長(cháng)和代謝環(huán)境，從而提高污水處理效率。</div><div>　　</div><div>　　三、深度處理環(huán)節</div><div>　　</div><div>　　1、二沉池</div><div>　　</div><div>　　經(jīng)過(guò)生物處理后的污水在二沉池中進(jìn)行泥水分離。溶氧儀可以用于監測二沉池中上清液的溶解氧。這有助于判斷污泥沉淀的效果以及出水的質(zhì)量。如果二沉池中的溶解氧過(guò)低，可能會(huì )導致污泥在池底發(fā)生厭氧發(fā)酵，影響沉淀效果，甚至導致污泥上浮等問(wèn)題。通過(guò)溶氧儀可以及時(shí)發(fā)現這種情況，采取相應的措施，如調整回流污泥量或增加曝氣等。</div><div>　　</div><div>　　2、高級氧化等深度處理工藝</div><div>　　</div><div>　　在一些高級氧化工藝（如臭氧氧化、芬頓氧化等）中，雖然主要目的是進(jìn)一步去除污水中的難降解有機物，但溶解氧也可能對這些過(guò)程產(chǎn)生影響。工業(yè)溶氧儀可以輔助監測這些深度處理單元中的溶解氧情況。例如，在某些情況下，適當的溶解氧條件可以促進(jìn)高級氧化反應的進(jìn)行，提高處理效果。通過(guò)溶氧儀可以?xún)?yōu)化這些深度處理工藝的運行參數。</div> <div id="pwm3br4" 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