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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>酒精回收塔生產(chǎn)廠,塔</p><p><span>***更新：</span>2020-11-29 07:19:25</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fuwyv7b" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫明燕裝備有限公司</a></p><p><span>聯(lián)系人：</span>王晶</p><p><span>郵箱: </span>1445901823@qq.com</p><p><span>電話: </span>13801517856</p><p><span>傳真: </span>0510_85952851</p><p><span>網(wǎng)址: </span>http://www.etaihu.com</p><p><span>手機(jī): </span>0510-85952851</p><p><span>地址: </span>雪浪街道南湖中路</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="tnzl7wg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="au7mjiz" class="box"><p><p style="text-indent:25px">精餾塔產(chǎn)品質(zhì)量指標(biāo)選擇有兩類：直接產(chǎn)品質(zhì)量指標(biāo)和間接產(chǎn)品質(zhì)量指標(biāo)。精餾塔直接的產(chǎn)品質(zhì)量指標(biāo)是產(chǎn)品成分。近年來(lái)，成分檢測(cè)儀表發(fā)展很快，酒精回收塔生產(chǎn)廠，特別是工業(yè)色譜儀的在線應(yīng)用，酒精回收塔生產(chǎn)廠，酒精回收塔生產(chǎn)廠，出現(xiàn)了直接控制產(chǎn)品成分的控制方案，此時(shí)檢測(cè)點(diǎn)就可以放在塔頂或塔底。然而由于成分分析儀表價(jià)格昂貴，維護(hù)保養(yǎng)麻煩，采樣周期較長(zhǎng)(即反應(yīng)緩慢，滯后較大)．而且應(yīng)用中有時(shí)也不太可靠，所以成分分析儀表的應(yīng)用受到了一定的限制。因此，精餾塔產(chǎn)品質(zhì)量指標(biāo)通常采用間接質(zhì)量指標(biāo)。填料塔又稱填充塔。化工生產(chǎn)中常用的一類傳質(zhì)設(shè)備。酒精回收塔生產(chǎn)廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="酒精回收塔生產(chǎn)廠,塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774964014204/5010096.png"></div><p style="text-indent:25px">每個(gè)接觸階段疊加在一個(gè)設(shè)備中，這是一個(gè)精餾塔，塔內(nèi)氣體自下而上流動(dòng)，在由托盤或填料組成的每個(gè)接觸階段，緊密接觸進(jìn)行傳質(zhì)和傳熱。原料一般從塔中間進(jìn)入塔。塔頂氣相餾分為高純輕產(chǎn)品，塔底重產(chǎn)品為高純重產(chǎn)品。液相回流由塔頂冷凝器提供，氣相回流由塔底再沸器提供。精餾段從進(jìn)料板頂部到塔頂。原料在進(jìn)料段部分汽化產(chǎn)生的蒸汽，自下而上逐步流經(jīng)精餾段的接觸段，進(jìn)入塔頂。從塔頂回流的液體，自上而下逐步經(jīng)過(guò)接觸段，流向進(jìn)料盤。在每個(gè)接觸階段，液體與上升的蒸汽反向接觸。一個(gè)接觸階段不能得到高純度的輕質(zhì)產(chǎn)品，精餾部分需要幾個(gè)接觸階段。一般而言，輕產(chǎn)品純度要求越高，輕組分分離難度越大，接觸系列要求越高。每個(gè)接觸階段相當(dāng)于一個(gè)理論板，在理論板上實(shí)現(xiàn)氣液兩相平衡。實(shí)際塔板不可能達(dá)到理想的相平衡，因此實(shí)際塔板數(shù)大于理論塔板數(shù)或接觸數(shù)。底產(chǎn)物經(jīng)再沸器加熱后，產(chǎn)生的蒸汽返回塔底，產(chǎn)生氣相回流，這是精餾工段工作的定要條件。如果沒(méi)有氣相回流，液體只流過(guò)每層的接觸階段，重組組分在液體中的濃度就不能上升。如果塔底產(chǎn)品中輕組分較多，塔頂輕組分的收率就會(huì)減低。同樣，精餾塔產(chǎn)品的純度也會(huì)影響底產(chǎn)品的產(chǎn)量。廣東實(shí)驗(yàn)室精餾塔有的塔段可選用規(guī)整填料，而有的塔段可選用散裝填料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="酒精回收塔生產(chǎn)廠,塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395775357239188/8865698.png"></div><p style="text-indent:25px">在塔釜前附加了預(yù)熱室，一方面對(duì)再回收的酒精進(jìn)行預(yù)熱,，預(yù)熱的酒精有利于在塔釜內(nèi)盡快加熱汽化；另一方面有利于降低換熱器內(nèi)循環(huán)冷卻水的溫度，使汽化的酒精在換熱室內(nèi)盡快冷卻。充分利用了冷卻水的余熱，從而提高了酒精的回收效率。酒精回收塔的環(huán)保性正逐漸加強(qiáng)，這對(duì)于用戶來(lái)說(shuō)是一大利好趨勢(shì)。為了更加環(huán)保地使用酒精回收塔，用戶在使用設(shè)備中也要注意規(guī)范操作。首先，回收酒精加入蒸餾釜至1/2-2/3罐，用戶才能進(jìn)行操作。其次，要開啟蒸氣閥進(jìn)行加熱(表壓0.2-0.5MPa)使乙醇蒸氣進(jìn)入塔內(nèi)。然后開啟列管冷凝器冷卻水和盤管冷卻器冷卻水，使塔內(nèi)乙醇蒸氣進(jìn)入冷凝器后冷凝成液體，打開回流閥，使冷凝液全部回流入塔內(nèi)。</p><p style="text-indent:25px">精餾塔針對(duì)有機(jī)物的精餾分離，多年來(lái)一直使用填料塔或板式塔，在塔設(shè)備中，液膜流動(dòng)較慢，汽液接觸比表面積較小，傳質(zhì)效率相對(duì)較低，所以設(shè)備體積龐大、空間利用率低、占地面積大。?近年來(lái)出現(xiàn)的超重力精餾技能，利用高速旋轉(zhuǎn)產(chǎn)生的重力場(chǎng)代替常規(guī)的重力場(chǎng)，較大地強(qiáng)化氣液傳質(zhì)過(guò)程，超重力精餾機(jī)將傳質(zhì)高度下降1個(gè)數(shù)量類。從而使塔設(shè)備變?yōu)楦叨炔坏?米的超重力精餾機(jī)，達(dá)到增加效率、縮小體積的目的。目前開發(fā)的折流式超重力床，已成功地應(yīng)用于工業(yè)生產(chǎn)中的連續(xù)精餾過(guò)程，它改變了傳統(tǒng)的精餾塔精餾模式，只要在室內(nèi)廠房里可以實(shí)現(xiàn)連續(xù)精餾過(guò)程，用它代替?zhèn)鹘y(tǒng)的塔設(shè)備，可節(jié)省鋼材資源，增加地球資源的使用年限；可以節(jié)約場(chǎng)地與空間資源，減少污染排放，增加產(chǎn)品質(zhì)量，優(yōu)化經(jīng)營(yíng)管理模式，減少生產(chǎn)勞動(dòng)強(qiáng)度，增加生產(chǎn)的安全性。若反應(yīng)過(guò)程中有固相生成，不宜采用填料塔。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="酒精回收塔生產(chǎn)廠,塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395775310764387/8146807.png"></div><p style="text-indent:25px">精餾塔的操作應(yīng)掌握物料平衡、氣液相平衡和熱量平衡。物料平衡指的是單位時(shí)間內(nèi)進(jìn)塔的物料量應(yīng)等于離開塔的諸物料量之和。物料平衡體現(xiàn)了塔的生產(chǎn)能力，它主要是靠進(jìn)料量和塔頂、塔底出料量來(lái)調(diào)節(jié)的。操作中，物料平衡的變化具體反應(yīng)在塔底液面上。當(dāng)塔的操作不符合總的物料平衡時(shí)，可以從塔壓差的變化上反映出來(lái)。例如，進(jìn)得多，出得少，則塔壓差上升。對(duì)于一個(gè)固定的精餾塔來(lái)講，塔壓差應(yīng)在一定的范圍內(nèi)，塔壓差過(guò)大，塔內(nèi)上升蒸氣的速度過(guò)大，霧沫夾帶嚴(yán)重，甚至發(fā)生液泛而破壞正常的操作；塔壓差過(guò)小，塔內(nèi)上升蒸氣的速度過(guò)小，塔板上氣液兩相傳質(zhì)效果降低，甚至發(fā)生漏液，較大降低了塔板效率。物料平衡掌握不好，會(huì)使整個(gè)塔的操作處于混亂狀態(tài)，掌握物料平衡是塔操作中的一個(gè)關(guān)鍵。如果正常的物料平衡受到破壞，它將影響另兩個(gè)平衡，即氣液相平衡達(dá)不到預(yù)期的效果，熱平衡也被破壞而需重新予以調(diào)整。填料塔也有一些不足之處，如填料造價(jià)高。浙江填料塔費(fèi)用</p><p style="text-indent:25px">精餾塔的質(zhì)量指標(biāo)指塔頂和塔底產(chǎn)品的純度。酒精回收塔生產(chǎn)廠</p><p style="text-indent:25px">填料塔的氣體進(jìn)口裝置盡量使氣體分散均勻，同時(shí)還能防止塔內(nèi)往下的流的液體流入氣體管路中。常用的辦法是使進(jìn)氣管伸至塔的中心線位置，管端為向下的45°切口或向下的缺口。這樣氣體從切口或缺口處折轉(zhuǎn)向上。由于這種進(jìn)氣管不能使氣體分布均勻，所以只能用于直徑在500mm以下的塔中。對(duì)于直徑較大的塔，進(jìn)氣管的末端為向下的喇叭口，對(duì)于直徑更大的塔，則應(yīng)采取氣體均布措施。氣體的出口裝置既要保證氣流暢通，又要能除去被氣體夾帶的液體液霧。目前常用的除霧裝置有折板除霧器和絲網(wǎng)除霧器。折板除霧器，這種裝置較簡(jiǎn)單，除霧效果較好。絲網(wǎng)除霧器，這種裝置效率高，可除去直徑大于5μm的液滴。酒精回收塔生產(chǎn)廠</p><p style="text-indent:25px">無(wú)錫明燕裝備有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。無(wú)錫明燕裝備擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供反應(yīng)釜，儲(chǔ)罐，塔器，換熱器。無(wú)錫明燕裝備繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。無(wú)錫明燕裝備始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2192550.html</p></div></div></div></div></div><div id="xmj3wtl" class="page-right twoColRt"><div id="2b3xegd" 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