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class="proBig"><div id="jrhxnd4" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxbxyh/637271366451044921/762401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eqgwwwj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxbxyh/637271366451044921/762401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8lrhsiv" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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)品關鍵詞：</span>蘇州精餾塔聯(lián)系方式,精餾塔</p><p><span>***更新：</span>2020-11-27 00:18:01</p><p><span id="click" >瀏覽次數(shù)：11次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fnidojr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫炳鑫藥化設備有限公司</a></p><p><span>聯(lián)系人：</span>李彥玲</p><p><span>郵箱: </span>13861860828@163.com</p><p><span>電話: </span>13861860828</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>138-61860</p><p><span>地址: </span>雪浪街道吳塘社區(qū)</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="sopfvq2" class="page-proshow02"><p class="title">詳細說明</p><div id="8iytjum" class="box"><p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 塔頂(或塔底)的溫度控制：一般來說，如果希望保持塔頂產(chǎn)品符合質量要求，蘇州精餾塔聯(lián)系方式，也就是主要產(chǎn)品從頂部餾出時，應選擇塔頂溫度作為被控變量，這樣可以得到較好的效果。同樣，為了保持塔底產(chǎn)品符合質量要求。則應以塔底溫度作為被控變量。為了保證另一產(chǎn)品質量在一定的規(guī)格范圍內，蘇州精餾塔聯(lián)系方式，塔的操作要有一定裕量。例如，如果主要產(chǎn)品在頂部餾出，蘇州精餾塔聯(lián)系方式，操縱變量為回流量的話，再沸器的加熱量要有一定富裕，以使在任何可能的擾動條件下，塔底產(chǎn)品的規(guī)格都在一定范圍內。 </p> <p> <br /> </p> <p> <br /> 本文對多元精餾塔的動態(tài)數(shù)學模型進行了研究。蘇州精餾塔聯(lián)系方式</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州精餾塔聯(lián)系方式,精餾塔" src="https://tyunfile.71360.com/UploadFile/wxbxyh/637271366451044921/762401.png"></div><p> 潔凈工藝空氣大部份進入冷箱內的主換熱器，被返流出來的氣體冷卻，接近**的空氣進入下空分精餾塔的底部，進行次分餾；在精餾塔中，上升氣體與***液體充分接觸，傳熱傳質后，上升氣體中氮的濃度逐漸增加。 </p> <p> 純氮進入下塔頂部的主冷凝蒸發(fā)器被冷凝，在氣氮冷凝的同時，主冷凝蒸發(fā)器中的液氧得到氣化。一部份液氮作為下塔的回流液，另一部分液氮經(jīng)過冷后，除少量作為產(chǎn)品液氮抽出外，其余節(jié)流后送入上塔。于是上升中的氣體混合物的氮氣濃度越來越高，下降液體中的氧濃度越來越高。蘇州精餾塔聯(lián)系方式兩相接觸中，我們的下降液中的沸點比較低的組分就會不斷的向氣相中轉移。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州精餾塔聯(lián)系方式,精餾塔" src="https://tyunfile.71360.com/UploadFile/wxbxyh/637271367804042968/2493059.png"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 溫差控制：在精密精餾時，溫差控制可以提高產(chǎn)品的質量。在精餾中，任一塔板的溫度是成分與壓力的函數(shù)，影響溫度變化的因素可以是成分，也可以是壓力。在一般塔的操作中，無論是常壓塔、減壓塔，還是加壓塔，壓力都是維持在很小范圍內波動，所以溫度與成分有對應關系。但在精密精餾中，要求產(chǎn)品純度很高，且塔頂和塔底產(chǎn)品的沸點相差又不大，此時壓力變化引起溫度的變化比成分變化引起的溫度變化要大得多，所以微小壓力的波動具有較大的影響，不能忽略。例如，苯-甲苯二甲苯分離時，大氣壓變化6.67 kPa，苯的沸點變化2℃，已超過了質量指標的規(guī)定。這樣的氣壓變化是完全可能發(fā)生的，這就破壞了溫度與成分之間的對應關系。所以在精密精餾時，用溫度作為被控變量往往得不到理想的控制效果，為此應該考慮補償或消除壓力微小波動的影響。 </p> <p> <br /> </p> <p> <br /> </p><p> 精餾是利用混合物中各組分揮發(fā)度不同而將各組分加以分離的一種分離過程，常用的設備有板式精餾塔和填料精餾塔。精密精餾的原理及設備流程與普通精餾相同，只是待分離物系中的組分間的相對揮發(fā)度較小(<1.05~1.10),因而采用精密填料以實現(xiàn)待分離組分的分離提純。 </p> <p> <br /> </p> <p> 在單離香料的生產(chǎn)原料然精油中經(jīng)常有同分異構體并存的情況，例如在香葉油、玫瑰油、玫瑰草油等天然精油中同時存在的香茅醇和玫瑰醇就是旋光異構體，<span style="font-size:12px;">這些同分異構體的沸點差比較小。</span> </p> <p> <br /> 除非精餾塔或周圍的生產(chǎn)裝置出現(xiàn)問題，否則不會出現(xiàn)間斷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州精餾塔聯(lián)系方式,精餾塔" src="https://tyunfile.71360.com/UploadFile/wxbxyh/637271367153232421/5854724.png"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 單流形塔板應用為多，它結構簡單，液流行程長，有利于提高塔板效率。但當塔徑或液量過大時，塔板上液面梯度會較大，導致氣液分布不均，或造成降液管過載，影響塔板效率和正常操作。雙流形塔板宜用于塔徑較大及液流量較大時，此時，液體分流為兩股，可以減少溢流堰的液流強度和降液管負荷，同時，也減小了塔板上的液面梯度。但塔板的降液管要相間地置于塔板的中間或兩邊，多占一些塔板傳質面積。U形流形的塔板進出口堰均置于塔板的同一側。其間置有高于液層的隔板。以控制液流呈U形流，從而延長液流行程，此種板型在小直徑塔及低液量時采用。四流形、階梯流形則適于更大直徑的塔和很大的液量情況。 </p> <p> <br /> </p> <p> <br /> 利用水洗塔餾出常壓酒精蒸汽加熱脫甲醇塔再沸器，雜質塔采用精餾塔余餾水閃蒸的二次蒸汽加熱。常州工業(yè)精餾塔</p><p style="text-indent:25px">有些雜質沸點高的雜質出現(xiàn)在蒸餾酒尾中，呈油狀浮在液面，稱為尾級雜質，又稱雜醇油。蘇州精餾塔聯(lián)系方式</p><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 規(guī)整填料種類很多，根據(jù)其幾何結構可以分為格柵填料、波紋填料、脈沖填料等，現(xiàn)介紹幾種較為典型的規(guī)整填料。格柵填料是以條狀單元體按一定規(guī)則組合而成的，其結構隨條狀單元體的形式和組合規(guī)則而變，因而具有多種結構形式。工業(yè)上應用早的格柵填料為木格柵填料。應用較為普遍的有格里奇格柵填料、網(wǎng)孔格柵填料、蜂窩格柵填料等，其中以格里奇格柵填料非常出名。格柵填料的比表面積較低，因此主要用于要求低壓降、大負荷及防堵等場合。 </p> <p> <br /> </p> <p> <br /> 蘇州精餾塔聯(lián)系方式</p><p style="text-indent:25px">無錫炳鑫藥化設備有限公司是一家專用設備、通用設備、金屬結構的制造、加工；五金加工；壓力容器的銷售。（依法須經(jīng)批準的項目，經(jīng)相關部門批準后方可開展經(jīng)營活動）無錫炳鑫藥化設備有限公司辦公室地址位于太湖明珠，魚米之鄉(xiāng)無錫，無錫無錫市濱湖區(qū)雪浪街道吳塘社區(qū)，于2017年07月04日在無錫市濱湖區(qū)市場監(jiān)督管理局注冊成立，注冊資本為200萬元人民幣，在公司發(fā)展壯大的3年里，我們始終為客戶提供好的產(chǎn)品和技術支持、健全的售后服務，我公司主要經(jīng)營專用設備、通用設備、金屬結構的制造、加工；五金加工；壓力容器的銷售。（依法須經(jīng)批準的項目，經(jīng)相關部門批準后方可開展經(jīng)營活動），我們有好的產(chǎn)品和專業(yè)的銷售和技術團隊，我公司是銷售化工、制藥設備的單位，以技術為he心、以質量為保證,加工設備完善，檢測手段齊全，完整的生產(chǎn)技術管理制，層層落實的崗位責任制，保證了產(chǎn)品質量。的公司，是一家集研發(fā)、設計、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于精餾塔，一效蒸發(fā)濃縮器，二效蒸發(fā)濃縮器，三效蒸發(fā)濃縮器器，是機械及行業(yè)設備的主力軍。炳鑫藥化設備致力于把技術上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。炳鑫藥化設備始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使炳鑫藥化設備在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2154877.html</p></div></div></div></div></div><div id="kcsid3a" class="page-right twoColRt"><div id="8vvgb2l" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div 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