云南換熱器誠信企業(yè) 推薦咨詢上海板換機(jī)械設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 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，"><meta name="keywords" content="云南換熱器誠信企業(yè),換熱器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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推薦咨詢上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="imi9bso" class="proBig"><div id="ehosjuq" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140090136719/2933696.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ert9so8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140090136719/2933696.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8m88fri" 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>云南換熱器誠信企業(yè),換熱器</p><p><span>***更新：</span>2020-12-29 17:13:05</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="7qe48hi" 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="3vrklxt" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ltktok4" class="box"><p><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)測試，或查閱已有的土壤導(dǎo)熱性能參數(shù)資料，云南換熱器誠信企業(yè)，云南換熱器誠信企業(yè)，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?，云南換熱器誠信企業(yè)。（3）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)。。換熱器適用于各行業(yè)冷熱交換系統(tǒng)，歡迎定制。云南換熱器誠信企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南換熱器誠信企業(yè),換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140090136719/2933696.jpg"></div><p> 上海板換機(jī)械設(shè)備有限公司是專業(yè)從事板式換熱器設(shè)備及其成套裝置的產(chǎn)品設(shè)計(jì)、制造、安裝和服務(wù)的中德合資企業(yè)。公司致力于為全球多個(gè)國家和地區(qū)的石油/天然氣、化工、冶金、生物能源、暖通空調(diào)、船舶、食品醫(yī)藥、機(jī)械制造、造紙、鋼鐵等行業(yè)的客戶提供***的板式熱交換設(shè)備。公司立足上海，在全球設(shè)立銷售服務(wù)網(wǎng)絡(luò)，以滿足客戶需求。產(chǎn)品遠(yuǎn)銷美國、加拿大、馬來西亞、印度、伊朗、印尼、希臘、羅馬尼亞等歐美及東南亞十幾個(gè)國家和地區(qū)，在客戶中享有良好聲譽(yù)。公司已先后為中石油、中石化、中海油、中船重工、中國鋁業(yè)、中糧集團(tuán)、魏橋集團(tuán)、信發(fā)集團(tuán)、錦江集團(tuán)、東方希望、盛虹集團(tuán)、吉林燃料乙醇、河南天冠、揚(yáng)農(nóng)集團(tuán)等國內(nèi)**企業(yè)，以及BASF、Bayer、ADM、Wartsila、LANXESS、Kerry、Petronas、Cameron、BP、GS、POSCO等跨國公司提供了多種類型的熱交換設(shè)備和相關(guān)服務(wù)。廣西本地?fù)Q熱器煙氣換熱器是一種新型節(jié)能減排的換熱器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="云南換熱器誠信企業(yè),換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258627558593/2064816.jpg"></div><p> 固定管板式換熱器的兩端應(yīng)留出足夠的空間以便能抽出和更換管子。并且，用機(jī)械法清洗管內(nèi)時(shí)。兩端都可以對(duì)管子進(jìn)行刷洗操作。U形管式換熱器的固定頭蓋應(yīng)留出足夠的空間以便抽出管束，也可在其相對(duì)的一端留出足夠的空間以便能拆卸殼體。換熱器不得在超過銘牌規(guī)定的條件下運(yùn)行。應(yīng)經(jīng)常對(duì)管，殼程介質(zhì)的溫度及壓降進(jìn)行監(jiān)督，分析換熱管的泄漏和結(jié)垢情況。管殼式換熱器就是利用管子使其內(nèi)外的物料進(jìn)行熱交換、冷卻、冷凝、加熱及蒸發(fā)等過程，與其他設(shè)備相比較，其余腐蝕介質(zhì)接觸的表面積就顯得非常大，發(fā)生腐蝕穿孔結(jié)合處松弛泄漏的危險(xiǎn)性很高，因此對(duì)換熱器的防腐蝕和防泄漏的方法也比其他設(shè)備要多加考慮，當(dāng)換熱器用蒸汽來加熱或用水來冷卻時(shí)，水中的溶解物在加熱后，大部分溶解度都會(huì)有所提高，而***鈣類型的物質(zhì)則幾乎沒有變化。冷卻水經(jīng)常循環(huán)使用，由于水的蒸發(fā)，使鹽類濃縮，產(chǎn)生沉積或污垢。又因水中含有腐蝕性溶解氣體及氯離子等引起設(shè)備腐蝕，腐蝕與結(jié)垢交替進(jìn)行，激化了鋼材的腐蝕。因此必須經(jīng)過清洗來改善換熱器的性能。由于清洗的困難程度是隨著垢層厚度或沉積的增加而迅速增大的，所以清洗間隔時(shí)間不宜過長，應(yīng)根據(jù)生產(chǎn)裝置的特點(diǎn)，換熱介質(zhì)的性質(zhì)。</p><p> 工作時(shí)產(chǎn)生的這些污垢會(huì)使設(shè)備和管道線路失效，裝置系統(tǒng)會(huì)發(fā)生生產(chǎn)下降，能耗、物耗增加等不良情況，污垢腐蝕性特別嚴(yán)重時(shí)還會(huì)使流程中斷，裝置系統(tǒng)被迫停產(chǎn)，直接造成各種經(jīng)濟(jì)損失，甚至還有可能發(fā)生惡性生產(chǎn)***。在科學(xué)發(fā)展的***要想完全的避免污垢的產(chǎn)生是幾乎不可能的，所以，換熱器等設(shè)備的清洗便成為工業(yè)(如:石油、化工、電力、冶金各行業(yè))生產(chǎn)中所不可缺少的一個(gè)重要環(huán)節(jié)。高壓水射流清洗換熱器屬于物理清洗方法，與傳統(tǒng)的人工、機(jī)械清洗及化學(xué)清洗相比，有諸多優(yōu)點(diǎn)：清洗成本低、清洗質(zhì)量好、清洗速度快，而且不產(chǎn)生環(huán)境污染，對(duì)設(shè)備沒有腐蝕。我國高壓水射流清洗技術(shù)發(fā)展比較迅速，水射流工業(yè)清洗的比重在大中型城市及企業(yè)已接近20%，并且以每年10%左右的速度增長，可謂方興未艾。預(yù)計(jì)6—7年時(shí)間，在中國工業(yè)清洗行業(yè)中，高壓水射流清洗技術(shù)將要占***優(yōu)勢(shì)，是我國工業(yè)清洗的必由之路。折疊編輯本段注意事項(xiàng)折疊系統(tǒng)檢驗(yàn)對(duì)于一些新系統(tǒng)來說，不能馬上與換熱器進(jìn)行交替使用，首先把新的系統(tǒng)在指定的時(shí)間段運(yùn)行，讓它有了一個(gè)運(yùn)行模式后，這個(gè)時(shí)候方可以把換熱器并入系統(tǒng)中使用，這樣做的目的完全是為了避免管網(wǎng)中的雜質(zhì)破壞換熱器設(shè)備。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="云南換熱器誠信企業(yè),換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258347089843/7634757.jpg"></div><p> 板式換熱器特點(diǎn)1.板式換熱器板片的懸掛處采用“燕尾”型設(shè)計(jì)，避免板片由于自重及擠壓變型。2.板式換熱器板片采用相互鎖定功能，能夠起到相互固定的作用。3.板式換熱器板片的四邊有“蜂窩狀”設(shè)計(jì)，能使用戶容易辨認(rèn)板片的安裝正確性。4.板式換熱器密封墊片采用卡式免膠粘型，能夠節(jié)省將來的維修時(shí)間（更換墊片時(shí)間節(jié)省1/4）。5.板式換熱器密封墊片設(shè)計(jì)為“梯形狀”，能夠增強(qiáng)墊片的使用壽命。6.板式換熱器板片上均勻分布有復(fù)雜的紋路，整個(gè)板片分為多個(gè)部分，每個(gè)部分紋路均有不同的角度，并且在相重疊接觸的整個(gè)板片上形成多變的流道，板片的紋路設(shè)計(jì)均經(jīng)過計(jì)算機(jī)仿真及模擬實(shí)際運(yùn)行實(shí)驗(yàn)，確保換熱效率。7.由于板片紋路的影響，流道內(nèi)形成明顯的紊流，水在板片表面不易形成水垢，即使出現(xiàn)結(jié)垢也非常容易被水流沖掉。板式換熱器的應(yīng)用換熱器在船舶行業(yè)主要應(yīng)用于**冷卻，夾套水冷卻，潤滑油冷卻，活塞冷卻劑冷卻，傳動(dòng)油冷卻，重燃料油預(yù)熱，柴油預(yù)熱，其他工藝過程冷卻等，電力行業(yè)換熱器在電力行業(yè)主要應(yīng)用于開式或閉式循環(huán)水冷卻，傳動(dòng)油冷卻，透平油冷卻，潤滑油冷卻，活塞和渦輪機(jī)及發(fā)動(dòng)機(jī)冷卻液冷卻，柴油發(fā)電站熱回收，廢氣熱回收。上海板換機(jī)械設(shè)備有限公司擁有專業(yè)的板式換熱器生產(chǎn)設(shè)備。云南換熱器誠信企業(yè)</p><p style="text-indent:25px">板式換熱器分類有幾種？云南換熱器誠信企業(yè)</p><p> 例如氣體的洗滌與冷卻、循環(huán)水的冷卻、汽-水之間的混合加熱、蒸汽的冷凝等等。它的應(yīng)用遍及化工和冶金企業(yè)、動(dòng)力工程、空氣調(diào)節(jié)工程以及其它許多生產(chǎn)部門中。按照用途的不同，可將混合式熱交換器分成以下幾種不同的類型：(1)冷卻塔(或稱冷水塔)在這種設(shè)備中，用自然通風(fēng)或機(jī)械通風(fēng)的方法，將生產(chǎn)中已經(jīng)提高了溫度的水進(jìn)行冷卻降溫之后循環(huán)使用，以提高系統(tǒng)的經(jīng)濟(jì)效益。例如熱力發(fā)電廠或核電站的循環(huán)水、合成氨生產(chǎn)中的冷卻水等，經(jīng)過水冷卻塔降溫之后再循環(huán)使用，這種方法在實(shí)際工程中得到了***的使用。(2)氣體洗滌塔(或稱洗滌塔)在工業(yè)上用這種設(shè)備來洗滌氣體有各種目的，例如用液體吸收氣體混合物中的某些組分，除凈氣體中的灰塵，氣體的增濕或干燥等。但其*****的用途是冷卻氣體，而冷卻所用的液體以水居多?？照{(diào)工程中***使用的噴淋室，可以認(rèn)為是它的一種特殊形式。噴淋室不但可以像氣體洗滌塔一樣對(duì)空氣進(jìn)行冷卻，而且還可對(duì)其進(jìn)行加熱處理。但是，它也有對(duì)水質(zhì)要求高、占地面積大、水泵耗能多等缺點(diǎn)：所以，在一般建筑中，噴淋室已不常使用或*作為加濕設(shè)備使用。但是，在以調(diào)節(jié)濕度為主要目的的紡織廠、卷煙廠等仍大量使用！(3)噴射式熱交換器在這種設(shè)備中。云南換熱器誠信企業(yè)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2616964.html</p></div></div></div></div></div><div id="ori4fws" class="page-right twoColRt"><div id="xwxwh2n" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zd8t32o" 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