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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="eikc87x" 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="3ub77sk" 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>四川經(jīng)濟(jì)耐用換熱器工廠,換熱器</p><p><span>***更新：</span>2021-01-19 00:16:17</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="eiaculs" 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="ic8wrtv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mlvhzls" class="box"><p><p> 根據(jù)統(tǒng)計(jì)，熱交換器的噸位約占整個(gè)工藝設(shè)備的20%有的甚至高達(dá)30%，其重要性可想而知。折疊管殼式管殼式換熱器是一個(gè)量大而品種繁多的產(chǎn)品，迫切需要新的耐磨損、耐腐蝕、**度材料。我國在發(fā)展不銹鋼銅合金復(fù)合材料、鋁鎂合金及碳化硅等非金屬材料等方面都有不同程度的進(jìn)展，其中尤以鈦材發(fā)展較快。鈦對(duì)海水、氯堿，四川經(jīng)濟(jì)耐用換熱器工廠、醋酸等有較好的抗腐蝕能力，如再強(qiáng)化傳熱，效果將更好，一些制造單位已較好的掌握了鈦材的加工制造技術(shù)。對(duì)材料的噴涂，我國已從國外引進(jìn)生產(chǎn)線。鋁鎂合金具有較高的抗腐蝕性和導(dǎo)熱性，價(jià)格比鈦材便宜，應(yīng)予注意。國內(nèi)在節(jié)能增效等方面改進(jìn)換熱器性能，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。換熱器的大量使用有效的提高了能源的利用率，使企業(yè)成本降低，效益提高。折疊編輯本段金屬換熱折疊間壁式夾套式換熱器：這種換熱器是在容器外壁安裝夾套制成，結(jié)構(gòu)簡(jiǎn)單；但其加熱面受容器壁面限制，傳熱系數(shù)也不高，四川經(jīng)濟(jì)耐用換熱器工廠，四川經(jīng)濟(jì)耐用換熱器工廠.為提高傳熱系數(shù)且使釜內(nèi)液體受熱均勻，可在釜內(nèi)安裝攪拌器.當(dāng)夾套中通入冷卻水或無相變的加熱劑時(shí)，亦可在夾套中設(shè)置螺旋隔板或其它增加湍動(dòng)的措施，以提高夾套一側(cè)的給熱系數(shù).為補(bǔ)充傳熱面的不足。上海板換告訴你什么是板式換熱器？四川經(jīng)濟(jì)耐用換熱器工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川經(jīng)濟(jì)耐用換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221140090136719/2933696.jpg"></div><p> 對(duì)碳鋼、低合金鋼、銅合金和某些牌號(hào)的不銹鋼而言,熔解氧是影響它們?cè)谒懈g行為的**重要因素。其他溶解氣體在水中無氧時(shí)CO2將導(dǎo)致銅和鋼的腐蝕,但不促進(jìn)鋁的腐蝕。微量的氨腐蝕銅合金,但對(duì)鋁和鋼沒有影響。H2S促進(jìn)銅和鋼的腐蝕,但對(duì)鋁無影響。SO2降低了水的pH值,增加了水對(duì)金屬的腐蝕性。硬度一般說來,淡水的硬度增高對(duì)銅、鋅、鉛和鋼等金屬的腐蝕減小。非常軟的水腐蝕性很強(qiáng),在這種水中,不宜用銅、鉛、鋅。相反,鉛在軟水中耐蝕,在硬度高的水中產(chǎn)生孔蝕。pH值鋼在pH>11的水中腐蝕較小,pH<7時(shí)腐蝕增大。離子的影響氯離子可以破壞不銹鋼等鈍化金屬的表面,誘發(fā)孔蝕或。垢的影響淡水中的CaCO3垢。CaCO3垢層對(duì)傳熱不利,但是有利于防止腐蝕。4·傳熱過程對(duì)腐蝕的影響金屬在有傳熱和沒有傳熱的條件下,腐蝕行為是不相同的。一般說來,傳熱使金屬的腐蝕加劇,特別是在有沸騰、汽化或過熱的條件下更明顯。在不同介質(zhì)中,或?qū)Σ煌慕饘?傳熱的影響也不相同。5·防腐方法知道了換熱器各種腐蝕的原因,合理的選擇防腐措施,才能達(dá)到***利用設(shè)備的目的。折疊防護(hù)針對(duì)以上討論的有關(guān)腐蝕情況,提出以下防腐方法:這里主要介紹緩蝕劑,電化學(xué)保護(hù)。四川壽命長換熱器代理上海板換機(jī)械設(shè)備有限公司為您提供換熱器專業(yè)服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川經(jīng)濟(jì)耐用換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258630859375/1175264.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。</p><p> 目前主要的海水淡化方法有多級(jí)閃蒸(MSF)、反滲透(SWRO)、多效蒸發(fā)(MED)和壓汽蒸餾(VC)等，而適用于大型海水淡化的方法只有SWRO、MSF和MED，比較大的MSF淡化廠規(guī)模達(dá)30×104m3/d，比較大的SWRO淡化廠規(guī)模為20×104m3/d。航空用鈦占?xì)W洲市場(chǎng)總需求量的50%，這部分比較穩(wěn)定。而工業(yè)用鈦等領(lǐng)域不太穩(wěn)定，化學(xué)工業(yè)、電力、脫鹽業(yè)及其它占28%，熱交換器占11%，海洋業(yè)占8%，裝甲占3%[7]。在國外，鈦熱交換器的市場(chǎng)也極為可觀。美國在海洋油氣、天然氣、海水淡化等領(lǐng)域開發(fā)鈦換熱器、鈦冷凝器、鈦制采油平臺(tái)鈦蒸發(fā)器等。日本1999年制造熱交換器的用鈦量為2100t，估計(jì)2009年將達(dá)5000t。日本鈦應(yīng)用的特點(diǎn)仍是民用。化工、電力和海水淡化是日本鈦市場(chǎng)的主要領(lǐng)域。日產(chǎn)×105t的MSF型海水淡化裝置需用鈦1500t。在耐蝕鈦合金方面開發(fā)了以Co，Ru，Ni等代替價(jià)格高的Pd的SMI-ACE，AKOT，TiCOREX等鈦合金，用于發(fā)電、海水淡化、制鹽等的熱交換器[8]。Ti-Ni等新型耐蝕合金已被推向市場(chǎng)，用于制作熱交換器，也用于熱交換器。上海板換機(jī)械設(shè)備有限公司提供多種類型的板式換熱器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川經(jīng)濟(jì)耐用換熱器工廠,換熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637221258347089843/7634757.jpg"></div><p> 放置墊鐵的基礎(chǔ)表面是否平整等?；A(chǔ)驗(yàn)收完畢后，在安裝換熱器之前在基礎(chǔ)上放墊鐵，安放墊鐵處的基礎(chǔ)表面必須鏟平，使兩者能很好的接觸。墊鐵厚度可以調(diào)整，使換熱器能達(dá)到設(shè)計(jì)的水平高度。墊鐵放置后可增加換熱器在基礎(chǔ)上的穩(wěn)定性，并將其重量通過墊鐵均勻地傳遞到基礎(chǔ)上去。墊鐵可分為平墊鐵、斜墊鐵和開口墊鐵。其中，斜墊鐵必須成對(duì)使用。地腳螺栓兩側(cè)均應(yīng)有墊鐵，墊鐵的安裝不應(yīng)妨礙換熱器的熱膨脹。換熱器就位后需用水平儀對(duì)換熱器找平，這樣可使各接管都能在不受力的情況下連接管道。找平后，斜墊鐵可與支座焊牢，但不得與下面的平墊鐵或滑板焊死。當(dāng)兩個(gè)以上重疊式換熱器安裝時(shí)，應(yīng)在下部換熱器找正完畢，并且地腳螺栓充分固定后，再安裝上部換熱器。可抽管束換熱器安裝前應(yīng)抽芯檢查，清掃，抽管束時(shí)應(yīng)注意保護(hù)密封面和折流板。移動(dòng)和起吊管束時(shí)應(yīng)將管束放置在專用的支承結(jié)構(gòu)上，以避免損傷換熱管。根據(jù)換熱器的形式，應(yīng)在換熱器的兩端留有足夠的空間來滿足條件（操作）清洗、維修的需要。浮頭式換熱器的固定頭蓋端應(yīng)留有足夠的空間以便能從殼體內(nèi)抽出管束，外頭蓋端必須也留出一米以上的位置以便裝拆外頭蓋和浮頭蓋。板式換熱器的換熱效率有多高？四川經(jīng)濟(jì)耐用換熱器工廠</p><p style="text-indent:25px">歡迎選購上海板換機(jī)械設(shè)備有限公司板式換熱器產(chǎn)品。四川經(jīng)濟(jì)耐用換熱器工廠</p><p> 不銹鋼中其余添加元素也均發(fā)揮不同作用。像Mo會(huì)在一定程度上抵消氯離子引起的腐蝕，但是也有一個(gè)適用范圍。常用不銹鋼：304，316屬于奧氏體不銹鋼，其牌號(hào)為國外叫法的簡(jiǎn)寫（一般均為進(jìn)口），為300系列。美國牌號(hào)是美國鋼鐵協(xié)會(huì)AISI標(biāo)準(zhǔn)，日本是日本工業(yè)協(xié)會(huì)標(biāo)準(zhǔn)SUS。中國主要用成分表示，見下表。304、304L、316、316L的成分區(qū)別。L的含義是Low,表示更低含量的碳。帶L的焊接性能好，數(shù)字一樣的話，成分除碳以外其余成分無大區(qū)別。又由于316與316L價(jià)格差別不大，故直接選用316L。從成分表中可以看出304與316比較大區(qū)別為Mo（鉬）含量不同，所以316抗氯離子濃度能力要比304強(qiáng)。也是我們選用304還是316的主要依據(jù)。兩種材質(zhì)在耐受的氯離子濃度見下頁表格，板材的補(bǔ)充說明：板片常用材料的特點(diǎn)和使用條件補(bǔ)充評(píng)價(jià)材料耐蝕性好壞的指標(biāo)是“耐局部腐蝕當(dāng)量PRE”值越大則耐腐蝕性越好。主要是Cr、MO、Ni的含量決定。1）304不銹鋼：使用于有機(jī)和無機(jī)介質(zhì)中，濃度＜30%溫度＜＝100/濃度﹥30%溫度﹤50的硝酸溫度﹤100的各種濃度的碳酸、氨水和醇類。304L的材料基本和304材料一樣，可焊接性更好，可以用作焊接式換熱器。2）316L天然冷卻水、冷卻塔水、軟化水、碳酸。四川經(jīng)濟(jì)耐用換熱器工廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2904054.html</p></div></div></div></div></div><div id="yspheli" class="page-right twoColRt"><div id="isuhovc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jy7p7ld" 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