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src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="afiroip" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tdvc2ya" 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>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>甘肅空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器</p><p><span>***更新：</span>2020-12-30 00:17:08</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="yd8s78q" 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>張云周</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</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="v8vsu2f" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="odpmtne" class="box"><p><p> 流程和流道的選擇流程指板式換熱器內(nèi)一種介質(zhì)同前列動方向的一組并聯(lián)流道，而流道指板式換熱器內(nèi)，相鄰兩板片組成的介質(zhì)流動通道，甘肅空氣預(yù)熱器生產(chǎn)商。一般情況下，將若干個流道按并聯(lián)或串聯(lián)的方式連接起來，以形成冷、熱介質(zhì)通道的不同組合。流程組合形式應(yīng)根據(jù)換熱和流體阻力計算，在滿足工藝條件要求下確定。盡量使冷、熱水流道內(nèi)的對流換熱系數(shù)相等或接近，從而得到比較好的傳熱效果。因為在傳熱表面兩側(cè)對流換熱系數(shù)相等或接近時傳熱系數(shù)獲得較大值。雖然板式換熱器各板間流速不等，但在換熱和流體阻力計算時，仍以平均流速進(jìn)行計算。由于“U”形單流程的接管都固定在壓緊板上，拆裝方便。壓降校核在板式換熱器的設(shè)計選型時，一般對壓降有一定的要求，所以應(yīng)對其進(jìn)行校核。如果校核壓降超過允許壓降，需重新進(jìn)行設(shè)計選型計算，甘肅空氣預(yù)熱器生產(chǎn)商，直到滿足工藝要求為止。計算方法關(guān)于傳熱系數(shù)和壓降的計算，由各個廠家產(chǎn)品的性能曲線計算得到。性能曲線（準(zhǔn)則關(guān)聯(lián)式）一般來自于產(chǎn)品的性能測試。對于缺少性能測試的板型，甘肅空氣預(yù)熱器生產(chǎn)商，也可通過參考尺寸法，根據(jù)板型的特性幾何尺寸獲得板型的準(zhǔn)則關(guān)聯(lián)式，國際上的一些通用軟件均采用這種方法。選型軟件關(guān)于板式換熱器的選型軟件。板式空氣預(yù)熱器有什么優(yōu)勢？甘肅空氣預(yù)熱器生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410558876953/2374940.jpg"></div><p> 底梁還通過底部軸承凳板支撐著空預(yù)器轉(zhuǎn)動部件的載荷。底梁還支撐端柱、底部扇形板和底部扇形板支板的重量。底部過渡煙風(fēng)道的重量由底部結(jié)構(gòu)承受。底梁上的所有載荷分別由兩端傳遞到用戶鋼架上。7、頂部和底部三分倉結(jié)構(gòu)三分倉結(jié)構(gòu)包括三分倉扇形板和三分倉扇形板支板等，布置在轉(zhuǎn)子頂部和底部的空氣一側(cè)，內(nèi)緣對接在項、底結(jié)構(gòu)的扇形板和翼板上，外緣則焊接道支撐在轉(zhuǎn)子的外殼上的三分倉軸向密封板上。頂、底三分倉扇形板與三分倉軸向密封板一起，將空氣側(cè)分隔成一次風(fēng)和二次風(fēng)。8、過渡煙風(fēng)道過渡煙風(fēng)道位于轉(zhuǎn)子熱端和冷端的煙氣側(cè)和空氣側(cè)，其作用是將氣流導(dǎo)入和引出轉(zhuǎn)子。三分倉布置的風(fēng)道又被進(jìn)一步分為二次風(fēng)道和一次風(fēng)道。過渡煙風(fēng)道連接在轉(zhuǎn)子外殼平板以及頂?shù)捉Y(jié)構(gòu)上。為保證空預(yù)器結(jié)構(gòu)合理受力，所有過渡煙風(fēng)道內(nèi)均設(shè)置內(nèi)撐管。9、轉(zhuǎn)子驅(qū)動裝置轉(zhuǎn)子由中心驅(qū)動裝置驅(qū)動，驅(qū)動裝置直接與轉(zhuǎn)子頂部端軸相連。兩臺電機(jī)均能以正、反兩個方向驅(qū)動空預(yù)器，只有在空預(yù)器不帶負(fù)荷時才允許改變驅(qū)動方向。兩臺驅(qū)動電機(jī)與初級減速箱均為法蘭連接。終級減速箱通過輸出軸套直接套裝在驅(qū)動軸軸上并用鎖緊盤固定。終級減速箱一側(cè)裝有扭矩臂。山西空氣預(yù)熱器加盟板式空氣預(yù)熱器的作用是降低能源消耗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg"></div><p> 4、使用壽命長：板式換熱器采用不銹鋼或鈦合金板片壓制，可耐各種腐蝕介質(zhì)，膠墊可隨意更換，并可方便在、拆裝檢修。5、適應(yīng)性強：板式換熱器板片為**元件，可按要求隨意增減流程，形式多樣?？蛇m用于各種不同的、工藝的要求。6、不串液，板式換熱器密封槽設(shè)置泄液液道，各種介質(zhì)不會串通，即使出現(xiàn)泄露，介質(zhì)總是向外排出。板式換熱器應(yīng)用領(lǐng)域編輯板式換熱器已***應(yīng)用于冶金、礦山、石油、化工、電力、醫(yī)藥、食品、化纖、造紙、輕紡、船舶、供熱等部門，可用于加熱、冷卻、蒸發(fā)、冷凝、***消毒、余熱回收等各種情況。太陽能利用：參與太陽能集熱板中傳熱介質(zhì)乙二醇等防凍液熱量交換過程，以達(dá)到利用太陽能目的?；瘜W(xué)工業(yè)：制造氧化鈦、酒精發(fā)酵、合成氨、樹脂合成、制造橡膠、冷卻磷酸、冷卻甲醛水、堿炭工業(yè)、電解制堿。鋼鐵工業(yè)：冷卻淬火油，冷卻電鍍用液、冷卻減速器潤滑油、冷卻軋制機(jī)、拉絲機(jī)冷卻液。冶金行業(yè)：鋁酸鹽母液的加熱和冷卻，冷卻鋁酸鈉。煉鋁軋機(jī)潤滑油冷卻。機(jī)械制造業(yè)：各種淬火液冷卻，冷卻壓力機(jī)、工業(yè)母機(jī)潤滑油，加熱發(fā)動機(jī)用油。食品工業(yè)制鹽，乳品，醬油，動植物油加熱、冷卻，啤酒生產(chǎn)中啤酒、麥芽汁的加熱冷卻，制糖，明膠濃縮。</p><p> 焊接板式換熱器又分為：半焊接板式換熱器、全焊接板式換熱器、板殼式換熱器、釬焊板式換熱器。經(jīng)常用到的分類還有以下：1根據(jù)單位空間內(nèi)的換熱面積的多少，板式換熱器屬于緊湊式換熱器，主要是與管殼式換熱器進(jìn)行比較，傳統(tǒng)的管殼式換熱器占地較大。2根據(jù)工藝用途，又有不同的叫法：板式加熱器、板式冷卻器、板式冷凝器、板式預(yù)熱器；3根據(jù)流程組合，分為單程板式換熱器和多程板式換熱器。4根據(jù)兩種介質(zhì)的流動方向，分為順流（并流）板式換熱器、逆流板式換熱器、交叉流（橫流）板式換熱器，后兩者用的比較多；5按照流道的間隙大小，分為常規(guī)間隙板式換熱器和寬間隙板式換熱器；6按照波紋，板式換熱器有更詳細(xì)的分別，不再累述，請參考：板式換熱器板片波紋形式。7按照是否是成套產(chǎn)品，可分為單機(jī)板式換熱器、板式換熱器機(jī)組。板式換熱器選型計算編輯板型選擇板片型式或波紋式應(yīng)根據(jù)換熱場合的實際需要而定。對流量大允許壓降小的情況，應(yīng)選用阻力小的板型，反之選用阻力大的板型。根據(jù)流體壓力和溫度的情況，確定選擇可拆卸式，還是釬焊式。確定板型時不宜選擇單板面積太小的板片，以免板片數(shù)量過多，板間流速偏小，傳熱系數(shù)過低，對較大的換熱器更應(yīng)注意這個問題。板式空氣預(yù)熱器適合安裝空間有限的改造項目。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅空氣預(yù)熱器生產(chǎn)商,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg"></div><p> 板式換熱器是由一系列具有一定波紋形狀的金屬片疊裝而成的一種換熱器。各種板片之間形成薄矩形通道，通過板片進(jìn)行熱量交換。板式換熱器是液—液、液—汽進(jìn)行熱交換的理想設(shè)備。它具有換熱效率高、熱損失小、結(jié)構(gòu)緊湊輕巧、占地面積小、應(yīng)用廣、使用壽命長等特點。在相同壓力損失情況下，其傳熱系數(shù)比管式換熱器高3-5倍，占地面積為管式換熱器的三分之一，熱回收率可高達(dá)90%以上板片和墊片的四個角孔形成了流體的分配管和匯集管，同時又合理地將冷熱流體分開，使其分別在每塊板片兩側(cè)的流道中流動，通過板片進(jìn)行熱交換。[3]板式換熱器的優(yōu)化設(shè)計計算，就是在已知溫差比NTUE的條件下，合理地確定其型號、流程和傳熱面積，使NTUp等于NTUE。[4]板式換熱器基本組成結(jié)構(gòu)：⒈板式換熱器板片和板式換熱器密封墊片⒉固定壓緊板⒊活動壓緊板⒋夾緊螺栓⒌上導(dǎo)桿⒍下導(dǎo)桿⒎后立柱板式換熱器特點編輯（板式換熱器與管殼式換熱器的比較）a.傳熱系數(shù)高；由于不同的波紋板相互倒置，構(gòu)成復(fù)雜的流道，使流體在波紋板間流道內(nèi)呈旋轉(zhuǎn)三維流動，能在較低的雷諾數(shù)（一般Re=50~200）下產(chǎn)生紊流，所以傳熱系數(shù)高，一般認(rèn)為是管殼式的3~5倍。[2]b.對數(shù)平均溫差大，末端溫差小。在管殼式換熱器中。上海板換機(jī)械設(shè)備有限公司專業(yè)生產(chǎn)板式空氣預(yù)熱器設(shè)備。山西空氣預(yù)熱器加盟</p><p style="text-indent:25px">板式空氣預(yù)熱器維修廠家有哪些？甘肅空氣預(yù)熱器生產(chǎn)商</p><p> 上海板換機(jī)械設(shè)備有限公司是專業(yè)從事板式熱交換器及其成套裝置設(shè)計、制造、安裝和服務(wù)的中德合資企業(yè)。板式空氣預(yù)熱器是一種節(jié)能環(huán)保設(shè)備，使用平板或波紋板，板片周邊通過焊接或機(jī)械固定形成板束，整機(jī)采用積木式設(shè)計，組合方式靈活多變，結(jié)構(gòu)適應(yīng)性強，特有的空氣膜TM技術(shù)能夠有效解決**腐蝕問題，適用于煉油、化工、鋼鐵、冶金、電力工業(yè)等行業(yè)。可實現(xiàn)模塊化、組合化、大型化，空間尺寸調(diào)節(jié)靈活板式換熱元件的傳熱系數(shù)比管式傳熱元件高1-3倍，且可根據(jù)冷、熱介質(zhì)換熱前后的體積變化，采用流道間距與流動長度的優(yōu)化組合，實現(xiàn)傳熱性能與壓降的比較好化設(shè)計換熱流道內(nèi)無死區(qū)，不易積灰，即便積灰也便于清洗，且可做到在線清洗對不同介質(zhì)、工況可針對性的選擇適用材料，從而保證設(shè)備壽命，而且可采用高低溫分級設(shè)計，不同溫度段可使用不同材料。甘肅空氣預(yù)熱器生產(chǎn)商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2617446.html</p></div></div></div></div></div><div id="sm27g8g" class="page-right twoColRt"><div id="jtq2893" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="auwyamj" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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