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id="lmtqieg" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140097050781/887764.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l4jvh28" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>貴州換熱器工廠,換熱器</p><p><span>***更新：</span>2021-01-09 13:08:44</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3dmijah" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海板換機(jī)械設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>張?jiān)浦?/p><p><span>郵箱: </span>shinfo@shphe.com</p><p><span>電話: </span>15921733465</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shphe.com</p><p><span>手機(jī): </span>021-57247534</p><p><span>地址: </span>山陽鎮(zhèn)山寧路99號(hào)</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="fri8du3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wm73km9" class="box"><p><p> 循環(huán)水流速過小，U型管內(nèi)循環(huán)水處于層流狀態(tài)。此時(shí)的對(duì)流換熱熱阻不可忽略。而循環(huán)水流速過大，管路中的水力損失也較大，需要配備大功率的水泵，從而浪費(fèi)能源。本節(jié)對(duì)60mB井做了流速在～6組實(shí)驗(yàn)[8]。研究循環(huán)水流速對(duì)埋地?fù)Q熱器的傳熱性能的影響，尋找合適的流速范圍，貴州換熱器工廠。圖1-3～1-6表現(xiàn)了流速與傳熱率、熱阻、進(jìn)出口壓差以及進(jìn)出口平均溫度的關(guān)系。當(dāng)流速在～之間，循環(huán)水在U型管內(nèi)流速緩慢，流量較小，循環(huán)水處于層流狀態(tài)。循環(huán)水與U型管壁之間的對(duì)流熱阻占總熱阻的5％～10％。雖然與土壤換熱充分，但在相同的輸入功率下，循環(huán)水的平均溫度較高，已經(jīng)超過地源熱泵機(jī)組的設(shè)計(jì)運(yùn)行參數(shù)，影響地源熱泵機(jī)組運(yùn)行效果。當(dāng)流速在～之間，循環(huán)水在U型管內(nèi)處于湍流狀態(tài)，平均溫度正好處在地源熱泵機(jī)組運(yùn)行狀態(tài)點(diǎn)，換熱效果較好，對(duì)流熱阻基本上都可以忽略不計(jì)。系統(tǒng)運(yùn)行狀態(tài)平穩(wěn)，節(jié)能效果比較明顯。這個(gè)流速段進(jìn)出口平均溫度的理論計(jì)算與實(shí)驗(yàn)的誤差更?。ㄈ鐖D1-3），熱阻理論計(jì)算與實(shí)驗(yàn)誤差在2％～4％之間（如圖1-4）。這表明流速大于，循環(huán)水平均溫度過小，將偏離機(jī)組工作的狀態(tài)點(diǎn)，而且系統(tǒng)還需安裝功率較大的水泵，貴州換熱器工廠，貴州換熱器工廠，不建議采用。單根U型管循環(huán)水進(jìn)出口壓差隨著流速的增加逐漸增加。上海板換機(jī)械設(shè)備有限公司擁有多種類型的板式換熱器。貴州換熱器工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140097050781/887764.jpg"></div><p> 換熱器是一種在不同溫度的兩種或兩種以上流體間實(shí)現(xiàn)物料之間熱量傳遞的換熱器節(jié)能設(shè)備，是使熱量由溫度較高的流體傳遞給溫度較低的流體，使流體溫度達(dá)到流程規(guī)定的指標(biāo)，以滿足工藝條件的需要，同時(shí)也是提高能源利用率的主要設(shè)備之一。換熱器行業(yè)涉及暖通、壓力容器、中水處理設(shè)備，化工，石油等近30多種產(chǎn)業(yè)，相互形成產(chǎn)業(yè)鏈條[1]。數(shù)據(jù)顯示2010年中國換熱器產(chǎn)業(yè)市場(chǎng)規(guī)模在500億元左右，主要集中于石油、化工、冶金、電力、船舶、集中供暖、制冷空調(diào)、機(jī)械、食品、制藥等領(lǐng)域。其中，石油化工領(lǐng)域仍然是換熱器產(chǎn)業(yè)較大的市場(chǎng)，其市場(chǎng)規(guī)模為150億元；電力冶金領(lǐng)域換熱器市場(chǎng)規(guī)模在80億元左右；船舶工業(yè)換熱器市場(chǎng)規(guī)模在40億元以上；機(jī)械工業(yè)換熱器市場(chǎng)規(guī)模約為40億元；集中供暖行業(yè)換熱器市場(chǎng)規(guī)模超過30億元，食品工業(yè)也有近30億元的市場(chǎng)。另外，航天飛行器、半導(dǎo)體器件、核電常規(guī)島核島、風(fēng)力發(fā)電機(jī)組、太陽能光伏發(fā)電、多晶硅生產(chǎn)等領(lǐng)域都需要大量的專業(yè)換熱器，這些市場(chǎng)約有130億元的規(guī)模[2]。國內(nèi)換熱器行業(yè)在節(jié)能增效、提高傳熱效率、減少傳熱面積、降低壓降、提高裝置熱強(qiáng)度等方面的研究取得了成績。甘肅換熱器的用途和特點(diǎn)板式換熱器板片型號(hào)有哪些？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258347089843/7634757.jpg"></div><p> 使壓力較高的流體由噴管噴出，形成很高的速度，低壓流體被引入混合室與射流直接接觸進(jìn)行傳熱，并一同進(jìn)入擴(kuò)散管，在擴(kuò)散管的出口達(dá)到同一壓力和溫度后送給用戶。(4)混合式冷凝器這種設(shè)備一般是用水與蒸汽直接接觸的方法使蒸汽冷凝。折疊蓄熱式蓄熱式換熱器用于進(jìn)行蓄熱式換熱的設(shè)備。內(nèi)裝固體填充物，用以貯蓄熱量。一般用耐火磚等砌成火格子（有時(shí)用金屬波形帶等）。換熱分兩個(gè)階段進(jìn)行。***階段，熱氣體通過火格子，將熱量傳給火格子而貯蓄起來。第二階段，冷氣體通過火格子，接受火格子所儲(chǔ)蓄的熱量而被加熱。這兩個(gè)階段交替進(jìn)行。通常用兩個(gè)蓄熱器交替使用，即當(dāng)熱氣體進(jìn)入一器時(shí)，冷氣體進(jìn)入另一器。常用于冶金工業(yè)，如煉鋼平爐的蓄熱室。也用于化學(xué)工業(yè)，如煤氣爐中的空氣預(yù)熱器或燃燒室，人造石油廠中的蓄熱式裂化爐。蓄熱式換熱器一般用于對(duì)介質(zhì)混合要求比較低的場(chǎng)合。折疊陶瓷陶瓷換熱器是一種新型的列管式高溫?zé)崮芑厥昭b置，主要成份為碳化硅，可以***用于冶金、機(jī)械、建材、化工等行業(yè)，直接回收各種工業(yè)窯爐排放的850－1400℃高溫?zé)煔庥酂?，以獲得高溫助燃空氣或工藝氣體。陶瓷換熱器研制成的這種裝置的換熱元件材料系一種新型碳化硅工程陶瓷。</p><p> 本實(shí)用新型涉及氣氣換熱器技術(shù)領(lǐng)域，具體地說是一種能夠解決筒內(nèi)積液問題的氣氣換熱器的端部結(jié)構(gòu)。背景技術(shù)：現(xiàn)有的氣氣換熱器的兩端皆為同心錐殼，有一定角度，不利于積液流出。技術(shù)實(shí)現(xiàn)要素：本實(shí)用新型的目的是針對(duì)現(xiàn)有技術(shù)存在的問題，提供一種能夠解決筒內(nèi)積液問題的氣氣換熱器的端部結(jié)構(gòu)。本實(shí)用新型的目的是通過以下技術(shù)方案解決的：一種氣氣換熱器的端部結(jié)構(gòu)，其特征在于：所述的端部結(jié)構(gòu)包括一同心錐殼端部和一偏心錐殼端部，同心錐殼端部和偏心錐殼端部分別設(shè)置在換熱器殼體的兩端，所述偏心錐殼端部的底部與換熱器殼體的底部處于同一水平位置處。所述偏心錐殼端部的開口端為工藝氣進(jìn)口且偏心錐殼端部的底部設(shè)有蒸汽出口管。所述的蒸汽出口管通過支撐筋固定在偏心錐殼端部的底部。所述同心錐殼端部的開口端為工藝氣出口且同心錐殼端部的上部設(shè)有蒸汽進(jìn)口管。本實(shí)用新型相比現(xiàn)有技術(shù)有如下優(yōu)點(diǎn)：本實(shí)用新型通過將氣氣換熱器的兩端部結(jié)構(gòu)分別設(shè)置為一同心錐殼端部和一偏心錐殼端部，且使得偏心錐殼端部的底部與換熱器殼體的底部處于同一水平位置處，以便于積液排出；上述端部結(jié)構(gòu)簡單實(shí)用，適宜推廣使用。換熱器板片的價(jià)格多少？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140089863281/8126722.jpg"></div><p> 兩圖中的G井的傳熱率**小、熱阻比較大，而回填土導(dǎo)熱系數(shù)值還處在A井與B井之間。這就說明如何選擇回填土的重要性。G井周圍土壤的導(dǎo)熱系數(shù)只有，遠(yuǎn)小于A、B井周圍土壤的。A井的回填土與土壤比較匹配，而B井的回填土導(dǎo)熱性能比土壤的導(dǎo)熱性能要差，一定程度上阻止了熱量傳遞。但G井的回填土導(dǎo)熱性能遠(yuǎn)優(yōu)于其周圍土壤的導(dǎo)熱性能。從而，選擇回填要遵循兩個(gè)基本的原則：（1）、先對(duì)實(shí)驗(yàn)井進(jìn)行土壤導(dǎo)熱系數(shù)測(cè)試，或查閱已有的土壤導(dǎo)熱性能參數(shù)資料，確定土壤的導(dǎo)熱系數(shù)；（2）、根據(jù)施工環(huán)境，選擇導(dǎo)熱系數(shù)與土壤的導(dǎo)熱系數(shù)相當(dāng)?shù)幕靥钔?。圖1-13中的黑點(diǎn)是根據(jù)數(shù)學(xué)模型計(jì)算的理論熱阻，與實(shí)驗(yàn)測(cè)試的熱阻相比誤差在％～％之間。3結(jié)論本文針對(duì)7口不同鉆井，利用實(shí)驗(yàn)方法研究了影響鉆井傳熱性能的因素。通過研究表明：（1）初始運(yùn)行時(shí)間對(duì)土壤導(dǎo)熱系數(shù)影響很大，在分析實(shí)驗(yàn)數(shù)據(jù)時(shí)，一般得忽略實(shí)驗(yàn)**小時(shí)的數(shù)據(jù)；（2）選擇回填要遵循兩個(gè)基本的原則：A、先對(duì)實(shí)驗(yàn)井進(jìn)行土壤導(dǎo)熱系數(shù)測(cè)試，或查閱已有的土壤導(dǎo)熱性能參數(shù)資料，確定土壤的導(dǎo)熱系數(shù)；B、根據(jù)施工環(huán)境，選擇導(dǎo)熱系數(shù)與土壤的導(dǎo)熱系數(shù)相當(dāng)?shù)幕靥钔?。?）一般情況，U型管內(nèi)循環(huán)水的流速設(shè)計(jì)為～比較恰當(dāng)。。上海板換告訴你什么是板式換熱器？河南換熱器制造公司</p><p style="text-indent:25px">板式換熱器滿足您的換熱需求。貴州換熱器工廠</p><p> 可拆卸板式熱交換器是由許多沖壓有波紋槽的金屬熱交換板片，按一定間隔交替放置，每張板片都有墊片密封，并用夾緊螺柱壓緊在框架內(nèi)而成，其角上的孔構(gòu)成了連續(xù)的通道，介質(zhì)從入口進(jìn)入通道，被分配到熱交換板片之間的流道內(nèi)，兩種介質(zhì)在通道內(nèi)逆流流動(dòng)，冷熱側(cè)的熱量通過熱交換板片進(jìn)行傳遞，從而達(dá)到熱介質(zhì)溫度降低被冷卻，冷介質(zhì)溫度升高得到加熱的目的。產(chǎn)品特點(diǎn)?傳熱系數(shù)高、污垢系數(shù)低?結(jié)構(gòu)緊湊、占地空間小?檢修、清洗方便?末端溫差小?重量輕?熱交換板片是板式熱交換器的**元件，運(yùn)用CAD/CFD/CAE/CAM等三維軟件設(shè)計(jì)板片模具，在板片的研發(fā)及綜合技術(shù)上進(jìn)行優(yōu)化，達(dá)到結(jié)構(gòu)合理、換熱效率高、精度高、承壓能力大等特點(diǎn)。?密封墊形式采用鑲嵌式、粘接式結(jié)構(gòu)，鑲嵌式結(jié)構(gòu)便于設(shè)備清洗維護(hù)，有效縮短檢修周期；粘接式結(jié)構(gòu)使得密封墊片及板片槽間粘接牢固，適用于免拆裝、壓力范圍大的工況使用。貴州換熱器工廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2773418.html</p></div></div></div></div></div><div id="ajvxzga" class="page-right twoColRt"><div id="nht8ahq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lkwsubn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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