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class="nbj"><h1><span><b></b>行業(yè)資訊</span><em><a href='index.html'>網(wǎng)站首頁(yè)</a> > <a href='list_12.html'>新聞動(dòng)態(tài)</a> > <a href='list_20.html'>行業(yè)資訊</a></em> <div id="eewaeey" class="clear"></div></h1> <p><div class="owequio" id="newsview" class=" clearfix"> <div class="uaaqsgg" id="fontsizer"></div> <h2>污水處理工程的運行要點(diǎn)</h2> <div class="sqgyoku" id="newsview_cs">作者：admin　　來(lái)源：admin　　更新時(shí)間：2018-09-08　　閱讀數：316 </div> <div class="ewuoueq" id="content">一、調理氣浮工段<br /> 　　1.調理池<br /> 　　分高濃度: 低濃度調理池、高濃度廢水隔油后進(jìn)入調理池再進(jìn)入氣浮機氣浮去除油類(lèi)物質(zhì)后, 進(jìn)入一級厭氧池; 低濃度水則直接曝氣池。<br /> 　　高濃度高節池調理時(shí)刻為4小時(shí), 工作時(shí)留意隔油池撇油機是否正常作業(yè)。并堅持機械部分常常光滑。低濃度調理池調理時(shí)刻為6小時(shí)。<br /> <p> 　　氣浮機初次工作時(shí), 先將氣浮機中注滿(mǎn)清水, 用清水作回流水, 將溶氣罐壓力添加至3kg/cm2。留意正常工作時(shí)不要使罐體內壓力超越3.5～4.0kg/cm2。待溶氣水能夠正常開(kāi)釋時(shí), 才可進(jìn)污水, 以防開(kāi)釋器阻塞。工作時(shí)留意調查刮泥機是否作業(yè)正常, 并常常堅持機械部分光滑。除氣浮機外, 調理池首要設備是水泵。 </p> <p> <img src="UpLoadFile/image/smallpic/廢水處理工程 (4).jpg" width="400" alt="廣東環(huán)保工程公司" /> </p> 　　2.污水泵的操作和辦理關(guān)鍵<br /> 　　(一)開(kāi)車(chē)前應詳盡進(jìn)行下列查看(尤其是新設備或大修后的泵);電動(dòng)機的轉向, 聯(lián)軸器的同心度和空隙, 各部份螺絲是否松動(dòng), 用手滾動(dòng)聯(lián)軸器看是否靈活, 泵內是否有響聲, 軸承的光滑油是否夠, 泵及電機周?chē)欠裼胁ㄕ酃ぷ鞯臇|西, 進(jìn)水池是否有水, 假如吸水管上有抽吸泵站底層存水小管的話(huà), 應查看小管上旋塞閥是否關(guān)好。<br /> 　　(二)封閉出水閘閥, 敞開(kāi)進(jìn)水閘閥。對閘閥開(kāi)關(guān)總圈數和轉向應預先把握。<br /> 　　(三)開(kāi)車(chē):開(kāi)車(chē)時(shí), 機器周?chē)灰救?開(kāi)車(chē)后應當即敞開(kāi)出水閘口, 并密切留意水泵聲響、振蕩等工作狀況, 發(fā)現不正常應立刻泊車(chē)查看。<br /> 　　(四)泊車(chē)前先關(guān)出水閥再泊車(chē), 這樣能夠削減振蕩。<br /> 　　(五)泊車(chē)后水泵及電動(dòng)機外表的水和油漬擦潔凈。<br /> 　　二、厭氧及沼氣工段<br /> 　　1.厭氧段<br /> 　　厭氧池采和中溫消化, 有機負荷10kgCOD/m3.d。<br /> 　　進(jìn)水先進(jìn)入配水罐進(jìn)入脈沖配水體系, 經(jīng)過(guò)脈沖進(jìn)水, 確保布水均勻和泥水充沛觸摸。影響厭氧工作作用的首要因素有:水質(zhì)、負荷溫度、pH、蒸發(fā)酸、N、P養分等。<br /> 　　一般來(lái)講, 發(fā)動(dòng)選用間歇式進(jìn)料, 一次投料負荷可操控在0.1～0.5kgCOD/kgVSS.d左右, 待產(chǎn)氣頂峰之后再進(jìn)料, 逐漸縮短進(jìn)料間隔時(shí)刻直至接連工作。接種污泥量一般大于15kgVSS/m3。<br /> 　　工作時(shí), 應留意池面氣室部分是否漏氣, 水面如浮渣過(guò)多, 可人工去除浮渣或用棍棒將浮渣擊沉。厭氧池內排泥一般依據工作狀況, 半年排泥一次。確保池內污泥濃度不低于20g/l。<br /> 　　2.沼氣安全<br /> 　　沼氣是一種混合氣體, 一般含CH460%、CO240%, CH4在空氣中濃度達到500000PPM時(shí), 可使人頭痛和非中毒性窒息。當空氣中甲烷含量在5%～15%時(shí), 就成為一種易爆破的混合氣, 因而, 在厭氧池及貯氣罐鄰近應留意安全, 發(fā)現漏氣現象, 應及時(shí)排除。<br /> 　　三、曝氣池工段<br /> 　　本規劃選用的觸摸氧化曝氣池, 使用射流曝氣, 由于進(jìn)水先進(jìn)入缺氧段, 去除一部分有機物, 并可提高廢水的可生化性, 再進(jìn)入曝氣段, 由好氧微生物使用氧氣將有機物分解成CO2和H2O。射流曝氣池負荷為0.8kgCOD/kgMLVSS.d。曝氣池是處理首要構筑物之一, 反映曝氣池工段的目標首要有:<br /> 　　1.混合液懸浮固體濃度(MLSS)<br /> 　　混合液懸游固體濃度是指曝氣池中污水和活性污泥混合后的混合懸游固體數量, 單位為(mg/l)。它是計量曝氣池中活性污泥數量的目標, 由于測定簡(jiǎn)潔, 往往以它作為大略計活性污泥數量的目標。在<br /> 　　2.混合液蒸發(fā)性懸游固體濃度(MLVSS)<br /> 　　混合液蒸發(fā)性懸游固體濃度是指混合液懸游固體中有機物的重量(一般有600℃的炙烤減量來(lái)測定), 故有人以為能較MLSS更確切地代表活性污泥微生物的數量。不守MLVSS中還包含非活性的不能降解的有機物、也不是計量活性污泥微生物的最理想目標。在一般狀況下, MLVSS/MLSS的比值較固定, 關(guān)于生活污水, 常在0.75左右。<br /> 　　3.污水沉降比(SV%)<br /> 　　污泥沉降比是指曝氣池混合液在1000mL量簡(jiǎn)中, 靜置30min后, 沉積污泥與混合液之體積比, SV能夠反映曝氣池正常工作時(shí)的污泥量, 可用于操控剩余污泥排放。污泥沉降比測定簡(jiǎn)略, 并能闡明許多問(wèn)題, 因而成為曝氣池辦理中每天有必要做的測定項目。<br /> 　　4.污泥指數(SVI)<br /> 　　污泥指數指曝氣池混合液經(jīng)30min靜沉后, 相應的1g干污泥所占的容積(以mL計), 即:混合液 30min靜沉后污泥容積(mL) SVI=污泥干重(g)<br /> 　　5.污泥負荷<br /> 　　入流污水BOD5的量(食料)和活性污泥量(微生物)比值稱(chēng)為活性污泥的污泥負荷。<br /> 　　污泥負荷對處理作用, 污泥添加和需氧量影響很大, 有必要留意把握。一般來(lái)說(shuō), 污泥負荷在0.2～0.5kg(BOD5)/kg(MLSS).d之間時(shí), 常用值把握在0.3～0.4kg(BOD5)/kg(MLSS).d左右。調理池污泥負荷的首要手法是操控曝氣池MLSS, 添加MLSS可下降污泥負荷, 削減MLSS, 則提高污泥負荷, 添加或削減MLSS一般經(jīng)過(guò)添加或削減排泥來(lái)完成。<br /> 　　活性污泥培育可選用階段培育, 接連投配污水量隨活性污泥構成數量添加而添加, 直到規劃流量, 一般第一天進(jìn)滿(mǎn)池水, 悶曝24h后進(jìn)1/2水量, 邊進(jìn)水邊培育, 不排泥, 待填猜中掛膜杰出, 活性絮體有10%時(shí), 即滿(mǎn)負荷進(jìn)水。<br /> 　　四、沉積池工段<br /> 　　沉積池是把經(jīng)處理后泥、水混合液分離, 并使污泥部分回流至曝氣池。本沉積池外表負荷1.0M/h。<br /> 　　日常檢測項目有出水SS、出水COD, 排泥含水率, 流量改變時(shí), 核算外表負荷和沉積時(shí)刻。一般二沉池外表負荷率在1.0～2.5M/h之間。<br /> 文章來(lái)源：廣東環(huán)保工程公司 <a href="../" target="_blank">http://shenghaihuanbao.com/</a><br /></div> <div id="swwmegy" class="flickr"></div> <div class="aikwgaa" id="pageview" class="clear"> <ul> <li><a href="content_835.html" title="Previous">上一條：有機廢氣處理的方法有哪些？</a></li> <li><a href="content_833.html" 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