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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="laxjlmt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774202222023/8006120.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jhyqhyp" 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>西安板或換熱器,換熱器</p><p><span>***更新：</span>2021-01-11 06:19:36</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3ugdkw8" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hkwtvmt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7yp28yk" class="box"><p><p style="text-indent:25px">換熱器的接觸腐蝕兩種電位不同的金屬或合金互相接觸，并浸于電解質(zhì)溶解質(zhì)溶液中，它們之間就有電流通過(guò)，電位正的金屬腐蝕速度降低，電位負(fù)的金屬腐蝕速度增加。換熱器的選擇性腐蝕合金中某一元素由于腐蝕，優(yōu)先進(jìn)入介質(zhì)的現(xiàn)象稱(chēng)為選擇性腐蝕。換熱器的孔蝕集中在金屬表面?zhèn)€別小點(diǎn)上深度較大的腐蝕稱(chēng)為孔蝕，西安板或換熱器，或稱(chēng)小孔腐蝕、點(diǎn)蝕，西安板或換熱器。換熱器的縫隙腐蝕在金屬表面的縫隙和被覆蓋的部位會(huì)產(chǎn)生劇烈的縫隙腐蝕，西安板或換熱器。換熱器的沖刷腐蝕沖刷腐蝕是由于介質(zhì)和金屬表面之間的相對(duì)運(yùn)動(dòng)而使腐蝕過(guò)程加速的一種腐蝕。蓄熱式換熱器用于進(jìn)行蓄熱式換熱的設(shè)備。西安板或換熱器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安板或換熱器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774202222023/8006120.png"></div><p style="text-indent:25px">浮頭式換熱器以其高度的可靠性和普遍的適應(yīng)性，在長(zhǎng)期使用過(guò)程中積累了豐富的經(jīng)驗(yàn)。盡管受到不斷涌現(xiàn)的新型換熱器的挑戰(zhàn)，但反過(guò)來(lái)也不斷促進(jìn)了自身的發(fā)展。故迄今為止在各種換熱器中仍占主導(dǎo)地位。優(yōu)點(diǎn)：1.管束可以抽出，以方便清洗管、殼程；2.介質(zhì)間溫差不受限制；3.可在高溫、高壓下工作，一般溫度小于等于450度，壓力小于等于6.4兆帕；4.可用于結(jié)垢比較嚴(yán)重的場(chǎng)合；5.可用于管程易腐蝕場(chǎng)合。制造工藝：選取換熱設(shè)備的制造材料及牌號(hào)，進(jìn)行材料的化學(xué)成分檢驗(yàn)，機(jī)械性能合格后，對(duì)鋼板進(jìn)行矯形，方法包括手工矯形，機(jī)械矯形及火焰矯形。山東換熱器多少錢(qián)間壁式換熱器有管殼式、套管式和其他型式的換熱器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安板或換熱器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774255240010/988774.png"></div><p style="text-indent:25px">固定管板式換熱器管束兩端的管板與殼體聯(lián)成一體，結(jié)構(gòu)簡(jiǎn)單，但只適用于冷熱流體溫度差不大，且殼程不需機(jī)械清洗時(shí)的換熱操作。當(dāng)溫度差稍大而殼程壓力又不太高時(shí)，可在殼體上安裝有彈性的補(bǔ)償圈，以減小熱應(yīng)力。浮頭式換熱器管束一端的管板可自由浮動(dòng)，完全消除了熱應(yīng)力；且整個(gè)管束可從殼體中抽出，便于機(jī)械清洗和檢修。浮頭式換熱器的應(yīng)用較廣，但結(jié)構(gòu)比較復(fù)雜，造價(jià)較高。?U型管式換熱器?每根換熱管皆彎成U形，兩端分別固定在同一管板上下兩區(qū)，借助于管箱內(nèi)的隔板分成進(jìn)出口兩室。此種換熱器完全消除了熱應(yīng)力，結(jié)構(gòu)比浮頭式簡(jiǎn)單，但管程不易清洗。</p><p style="text-indent:25px">熱交換站中熱交換器的單臺(tái)處理和配置臺(tái)數(shù)組合結(jié)果應(yīng)滿(mǎn)足熱交換站的總供熱負(fù)荷及調(diào)節(jié)的要求。在滿(mǎn)足用戶(hù)熱負(fù)荷調(diào)節(jié)要求的前提下，同一個(gè)供熱系數(shù)中的換熱器臺(tái)數(shù)不宜少于2臺(tái)，不宜多于5臺(tái)。傳熱管采用外表面軋制翅片的銅管，導(dǎo)熱系數(shù)高，換熱面積大。導(dǎo)流板引導(dǎo)殼程流體在換熱器內(nèi)呈折線(xiàn)形連續(xù)流動(dòng)，導(dǎo)流板間距可根據(jù)比較好流速進(jìn)行調(diào)節(jié)，結(jié)構(gòu)堅(jiān)固，能滿(mǎn)足大流量甚至超大流量、脈動(dòng)頻率高的殼程流體換熱。當(dāng)殼程流體為油液時(shí)，適用于粘度低和較清潔的油液換熱。換熱器利用壓力激波技術(shù)達(dá)到無(wú)外力增壓的效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西安板或換熱器,換熱器" src="https://tyunfile.71360.com/UploadFile/wxmyzb/637395774290220695/551801.png"></div><p style="text-indent:25px">換熱器在煉油工業(yè)中的應(yīng)用是十分普遍的，其重要性也是顯而宜見(jiàn)的，換熱設(shè)備利用率的高低直接影響到煉油工藝的效率以及成本的費(fèi)用問(wèn)題。據(jù)統(tǒng)計(jì)換熱器在化工建設(shè)中約占投資的1/5，因此，換熱器的利用率及壽命是值得研究的重要問(wèn)題。由換熱器的損壞原因來(lái)看，腐蝕是一個(gè)十分重要的原因，而且換熱器的腐蝕是大量的普遍存在的，能夠解決好腐蝕問(wèn)題，就等于解決了換熱器損壞的根本。要想防止換熱器的腐蝕，就得弄清楚腐蝕的根源，現(xiàn)就換熱器的腐蝕的原因從以下幾方面進(jìn)行討論。換熱器的鉤圈對(duì)保證浮頭端的密封、防止介質(zhì)間的串漏起著重要作用。山東換熱器多少錢(qián)</p><p style="text-indent:25px">特別是由于套管換熱器同時(shí)具備傳熱系數(shù)大，傳熱推動(dòng)力大及能夠承受高壓強(qiáng)的優(yōu)點(diǎn)。西安板或換熱器</p><p style="text-indent:25px">沉浸式蛇管換熱器：這種換熱器是將金屬管彎繞成各種與容器相適應(yīng)的形狀，并沉浸在容器內(nèi)的液體中.蛇管換熱器的優(yōu)點(diǎn)是結(jié)構(gòu)簡(jiǎn)單，能承受高壓，可用耐腐蝕材料制造；其缺點(diǎn)是容器內(nèi)液體湍動(dòng)程度低，管外給熱系數(shù)小，為提高傳熱系數(shù)，容器內(nèi)可安裝攪拌器。常用的檔板有圓缺形和圓盤(pán)形兩種，前者應(yīng)用更為普遍。由于中國(guó)新版GMP的推出，板式換熱將逐漸退出食品，飲料，制藥等衛(wèi)生級(jí)別高的行業(yè)。比較大換熱效率可以達(dá)到14000w/m2.k，較大提高生產(chǎn)效率，節(jié)約成本。同時(shí)，由于管殼式換熱器多為金屬結(jié)構(gòu)，隨著中國(guó)新版GMP的推出，不銹鋼為主體的換熱器，將成為飲料，食品，以及制藥行業(yè)的必選。西安板或換熱器</p><p style="text-indent:25px">無(wú)錫明燕裝備有限公司是一家生產(chǎn)產(chǎn)品：設(shè)計(jì)、制造一、二、三類(lèi)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)、的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。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(lèi)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(hù)提供良好的反應(yīng)釜，儲(chǔ)罐，塔器，換熱器。無(wú)錫明燕裝備致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶(hù)產(chǎn)品上的貼心，為用戶(hù)帶來(lái)良好體驗(yàn)。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(hù)的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2797487.html</p></div></div></div></div></div><div id="eyah8ct" class="page-right twoColRt"><div id="dxev7ls" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="l773dev" class="recomPic likePro"><a 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