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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>精餾塔型號(hào),塔</p><p><span>***更新：</span>2020-11-20 01:22:30</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kjqpvhd" 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="lfxbctq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="o77ypm3" class="box"><p><p style="text-indent:25px">填料塔填料的選擇：填料的幾何特性數(shù)據(jù)主要包括比表面積、空隙率、填料因子等，是評(píng)價(jià)填料性能的基本參數(shù)。①比表面積，單位體積填料的填料表面積稱為比表面積，以a表示，其單位為m2/m3，精餾塔型號(hào)。填料的比表面積愈大，所提供的氣液傳質(zhì)面積愈大。因此，比表面積是評(píng)價(jià)填料性能優(yōu)劣的一個(gè)重要指標(biāo)。②空隙率；單位體積填料中的空隙體積稱為空隙率，以ε表示，其單位為m3/m3，或以%表示。填料的空隙率越大，氣體通過(guò)的能力越大且壓降低，精餾塔型號(hào)。因此，空隙率是評(píng)價(jià)填料性能優(yōu)劣的又一重要指標(biāo)，精餾塔型號(hào)。沖擊了蒸餾設(shè)備以板式塔為主的局面，且大有取代板式塔的趨勢(shì)。精餾塔型號(hào)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="精餾塔型號(hào),塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774930976715/1442899.png"></div><p style="text-indent:25px">填料塔塔型選擇一般原則：塔填料是填料塔的重要構(gòu)件，它為氣液兩相間熱、質(zhì)傳遞提供了有效的相界面，只有性能優(yōu)良的塔填料再輔以理想的塔內(nèi)件，才有望構(gòu)成技術(shù)上先進(jìn)的填料塔。優(yōu)先選用填料塔：在分離程度要求高的情況下，因某些新型填料具有很高的傳質(zhì)效率，故可采用新型填料以降低塔的高度；對(duì)于熱敏性物料的蒸餾分離，因新型填料的持液量較小，壓降小，故可優(yōu)先選擇真空操作下的填料塔；具有腐蝕性的物料，可選用填料塔。因?yàn)樘盍纤刹捎梅墙饘俨牧希缣沾?、塑料等；容易發(fā)泡的物料，宜選用填料塔。精餾塔型號(hào)填料塔尤其適用于真空蒸餾、常壓及中壓下的蒸餾，當(dāng)然還有大氣量的兩相接觸過(guò)程。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="精餾塔型號(hào),塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395775340569227/976628.png"></div><p style="text-indent:25px">填料塔不宜于處理易聚合或含有固體懸浮物的物料，而某些類型的板式塔（如大孔徑篩板、泡罩塔等）則可以有效地處理這種物質(zhì)。另外，板式塔的清洗亦比填料塔方便。當(dāng)氣液接觸過(guò)程中需要冷卻以移除反應(yīng)熱或溶解熱時(shí)，填料塔因涉及液體均不問(wèn)題而使結(jié)構(gòu)復(fù)雜化。板式塔可方便地在塔板上安裝冷卻盤管。同理，當(dāng)有側(cè)線出料時(shí)，填料塔也不如板式塔方便。以前亂堆填料塔直徑很少大于0.5m，后來(lái)又認(rèn)為不宜超過(guò)1.5m，根據(jù)近10年來(lái)填料塔的發(fā)展?fàn)顩r，這一限制似乎不再成立。板式塔直徑一般不小于0.6m。</p><p style="text-indent:25px">填料壓緊裝置：填料塔的附件有填料支撐裝置、液體分布裝置、液體再分布器、除沫裝置、填料壓緊裝置這五種。⑴填料支撐裝置主要用途是支撐塔內(nèi)的填料，同時(shí)又能保證氣液兩相順利通過(guò)。若設(shè)計(jì)不當(dāng)，填料塔的液泛可能首先在填料支撐裝置上發(fā)生。對(duì)填料支撐裝置的要求：對(duì)于普通填料，支撐裝置的自由截面積應(yīng)不低于全塔面積的50%，并且要大于填料層的自由截面積；具有足夠的機(jī)械強(qiáng)度、剛度；結(jié)構(gòu)要合理，利于氣液兩相均勻分布，阻力小，便于拆裝。關(guān)于板式塔的設(shè)計(jì)資料更容易得到而且更為可靠，因此板式塔的設(shè)計(jì)比較準(zhǔn)確，安全系數(shù)可取得更小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="精餾塔型號(hào),塔" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774906416245/2959516.png"></div><p style="text-indent:25px">液體的出口裝置：填料塔的出口裝置既能使液體通暢引（排）出外，還要保證形成對(duì)塔內(nèi)氣體的液封，并能防止液體夾帶氣體。常用的液體出口裝置可采用水封。設(shè)計(jì)中塔內(nèi)外壓差較大時(shí)，可采用倒U形管密封裝置。由于氣體在塔頂離開(kāi)填料塔時(shí)，帶有大量的液沫和霧滴，為回收這部分液相，經(jīng)常需要在塔頂設(shè)置除沫器。折流板式除沫器，它是一種利用慣性使液滴得以分離的裝置，一般在小塔中使用。適用于大塔徑凈化要求高的場(chǎng)合。絲網(wǎng)除沫器，它由金屬絲卷成高度為100-150mm的盤狀使用。安裝方式多種多樣，氣體通過(guò)除霧沫器的壓強(qiáng)降約為120-250Kpa，絲網(wǎng)除沫器的直徑由氣體通過(guò)絲網(wǎng)的比較大氣速?zèng)Q定。填料塔和板式塔有許多不同點(diǎn)，了解這些不同點(diǎn)對(duì)于合理選用塔設(shè)備是有幫助的。大型酒精回收塔批發(fā)價(jià)</p><p style="text-indent:25px">填料塔70年代以前，在大型塔器中，板式塔占有優(yōu)勢(shì)，出現(xiàn)過(guò)許多新型塔板。精餾塔型號(hào)</p><p style="text-indent:25px">精餾過(guò)程所用的設(shè)備稱為精餾塔，大體上可以分為兩大類:①板式塔，氣液兩相總體上作多次逆流接觸，每層板上氣液兩相一般作交叉流。②填料塔，氣液兩相作連續(xù)逆流接觸。一般的精餾裝置由精餾塔塔身、冷凝器、回流罐，以及再沸器等設(shè)備組成。進(jìn)料從精餾塔中某段塔板上進(jìn)人塔內(nèi)，這塊塔板稱為進(jìn)料板。進(jìn)料板將精餾塔分為上下兩段，進(jìn)料板以上部分稱為精餾段，進(jìn)料板以下部分稱為提餾段。折疊填料的分類填料塔是以塔內(nèi)裝有大量的填料為相間接觸構(gòu)件的氣液傳質(zhì)設(shè)備。精餾塔型號(hào)</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)錫明燕裝備作為生產(chǎn)產(chǎn)品：設(shè)計(jì)、制造一、二、三類高壓容器和有機(jī)熱載體爐、B級(jí)鍋爐、ASME頒發(fā)的壓力容器制造“U”鋼印，鍋爐制造“S”鋼印資格證書(shū)。涉及行業(yè)主要有石油、化工、醫(yī)藥、環(huán)保、生化、有色金屬、冶金等相關(guān)行業(yè)、的企業(yè)之一，為客戶提供良好的反應(yīng)釜，儲(chǔ)罐，塔器，換熱器。無(wú)錫明燕裝備不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。無(wú)錫明燕裝備始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2060773.html</p></div></div></div></div></div><div id="2w2xe32" class="page-right twoColRt"><div id="zifekrs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tivm2rv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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