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當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jxjxysb_hrzlkdsb/">換熱、制冷空調(diào)設(shè)備</a>?天津食品換熱器上海板換機(jī)械設(shè)備供應(yīng)</p><div id="c3h83h3" class="leftbox clearfix"><h1>天津食品換熱器上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="7i2yfh3" class="proBig"><div id="3axzgs3" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258627802734/4553744.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kdfxegn" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258627802734/4553744.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ktln229" 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>天津食品換熱器</p><p><span>***更新：</span>2020-05-25 03:45:08</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="q3pofry" 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(huà): </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(yáng)鎮(zhèn)山寧路99號(hào)</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="w7fmel8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="aya7944" class="box"><p><p> 船用板式換熱器的板片結(jié)構(gòu)直接影響了換熱器的性能。本文將對(duì)現(xiàn)有的一系列板片參數(shù)對(duì)換熱器性能的影響進(jìn)行探討，以求為進(jìn)一步的研究提供一些借鑒。由傳熱系數(shù)的表達(dá)式可知，板片的厚度δ越小，天津食品換熱器，換熱器的傳熱效果越好，船用板式換熱器的標(biāo)準(zhǔn)提出換熱器的板片厚度在～，天津食品換熱器，目前行業(yè)薄的鈦板板片已經(jīng)達(dá)到。板片再做薄對(duì)提高換熱效果不會(huì)太明顯，主要是為了減少成本，降低耗材，但薄板片在壓制后強(qiáng)度會(huì)相對(duì)減小。船用板式換熱器提高k值的主要方法之一是提高板片兩側(cè)換熱介質(zhì)表面的流體擾動(dòng)程度。換熱器的板片通常加工成人字波紋板，人字角的大小對(duì)傳熱和流體阻力影響很大。人字角大的板片傳熱系數(shù)高、流體阻力亦大；反之人字角小的板片傳熱系數(shù)和阻力都低。120°人字角的波紋傳熱效果好，角度變小或者變大，傳熱效率都會(huì)變低，通常的**冷卻器與缸套水冷卻器采用120°人字角板片，以達(dá)到大的換熱效果。在船用滑油冷卻器中，由于滑油的粘度高于水的粘度，天津食品換熱器，如果全使用120°大夾角的板片會(huì)造成流體阻力大，而60°小夾角板片的傳熱系數(shù)低。因此滑油冷卻器往往使用2種板片混裝的方式，在允許壓降的情況下，換熱混合設(shè)計(jì)，換熱面積可達(dá)更優(yōu)效果。流體在板間流動(dòng)，其流速是不均勻的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津食品換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258627802734/4553744.jpg"></div><p> 4）土壤的導(dǎo)熱系數(shù)會(huì)隨著鉆井深度不同而改變，60m～100m深的鉆孔比較適宜。參考文獻(xiàn)：[1]于明志，方肇洪?，F(xiàn)場(chǎng)測(cè)試地下巖土平均熱物性參數(shù)方法。.熱能動(dòng)力工程，2002，17（5）：489～492。[2]朱瑞琪，張健明。熱響應(yīng)試驗(yàn)方法與機(jī)理。西部制冷空調(diào)與暖。2004,24(2):1～3。[3]AustinⅢ,ofanin-stiusystemformeasuringgroundthermaperties,Master’sthesis,OklahomaStateUniversity,Stillwater,.[4]朱漢寶，周亞素，U型管埋地?fù)Q熱器傳熱性能實(shí)驗(yàn)系統(tǒng)的研制。流體機(jī)械，2006，35（4）：56~60。[5]朱漢寶，周亞素，撒世忠，U型管埋地?fù)Q熱器周?chē)寥纻鳠嵝阅軐?shí)驗(yàn)研究。流體機(jī)械，2006，35（8）：51-56。[6]李新國(guó)，趙軍，等.垂直螺旋盤(pán)管地源熱泵供暖制冷實(shí)驗(yàn)研究[J].太陽(yáng)能學(xué)報(bào),2002,23(6):684-686。[7](2004)1947–1963.[8](2001)：503～507[9]–dischargingtestwithsolarEnergy31(2006)971–985[10].Gehlin,(2003)2239–2254.[11]ArifHepbasli,OzayAkdemir,。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津食品換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140089033203/1342887.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(mǎn)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(guó)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(guò)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(yáng)能光伏發(fā)電、多晶硅生產(chǎn)等領(lǐng)域都需要大量的專(zhuān)業(yè)換熱器，這些市場(chǎng)約有130億元的規(guī)模[2]。國(guó)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(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津食品換熱器" 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