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當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_crsbje/">傳熱設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-crsbje_qtcrsbpw/">其他傳熱設(shè)備</a>?貴州板式空氣預(yù)熱器來(lái)電咨詢上海板換機(jī)械設(shè)備供應(yīng)</p><div id="pogdaxo" class="leftbox clearfix"><h1>貴州板式空氣預(yù)熱器來(lái)電咨詢上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="wfroa8j" class="proBig"><div id="lam8ceq" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xx227rd" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q3ztfho" 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>貴州板式空氣預(yù)熱器,空氣預(yù)熱器</p><p><span>***更新：</span>2021-01-10 05:06:51</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="zqwdkrn" 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(yáng)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="rqxz3ul" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="swtfs7r" class="box"><p><p> 扭矩臂被固定在頂部結(jié)構(gòu)上的扭矩臂支座內(nèi)。扭矩臂支座通過(guò)扭矩臂給驅(qū)動(dòng)機(jī)構(gòu)一個(gè)反作用扭轉(zhuǎn)力矩從而驅(qū)動(dòng)驅(qū)動(dòng)軸和轉(zhuǎn)子旋轉(zhuǎn)，而驅(qū)動(dòng)裝置扭矩臂沿垂直方向可以在扭矩臂支座內(nèi)上下自由移動(dòng)，以適應(yīng)轉(zhuǎn)子與頂部結(jié)構(gòu)的熱態(tài)漲差。主電機(jī)的非驅(qū)動(dòng)端設(shè)有鍵連接的輸出軸，以便在維護(hù)時(shí)用盤(pán)車(chē)手柄進(jìn)行手動(dòng)盤(pán)車(chē)。減速箱為油浴潤(rùn)滑。10、底部推力軸承轉(zhuǎn)子由自調(diào)球面滾子推力軸承支撐，底部軸承箱固定在支撐凳板上。轉(zhuǎn)子的全部旋轉(zhuǎn)重量均由推力軸承支撐。底部軸承箱在定位后，將螺栓和定位墊板一起鎖定，并將墊板焊在支撐板上。底部軸承兩側(cè)均設(shè)有防護(hù)網(wǎng)，貴州板式空氣預(yù)熱器，以防止空預(yù)器正常運(yùn)行時(shí)無(wú)關(guān)人員靠近轉(zhuǎn)動(dòng)部位而發(fā)生意外。底部軸承采用油浴潤(rùn)滑，貴州板式空氣預(yù)熱器。軸承箱上裝有注油器和油位計(jì)，并開(kāi)有用于安裝測(cè)溫元件的1/2”BSP螺紋孔。底部軸承箱下面配有不同厚度的調(diào)整墊片。用于現(xiàn)場(chǎng)調(diào)整轉(zhuǎn)子的上下位置和頂?shù)讖较蛎芊忾g隙的大小。安裝時(shí)還應(yīng)適當(dāng)增加墊片數(shù)量用以補(bǔ)償?shù)琢撼休d后的彎曲變形。11、頂部導(dǎo)向軸承頂部導(dǎo)向軸承為球面滾子軸承，貴州板式空氣預(yù)熱器，安裝在軸套上。軸套裝在轉(zhuǎn)子驅(qū)動(dòng)軸上，并用鎖緊盤(pán)與之固定．導(dǎo)向軸承和軸套的大部分處于頂部軸承箱內(nèi)。頂部承箱兩側(cè)焊有槽形支臂。在一些焚燒爐系統(tǒng)中用板式空氣預(yù)熱器提高系統(tǒng)效率。貴州板式空氣預(yù)熱器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220414500673828/8758232.jpg"></div><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(dòng)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(dòng)通道。一般情況下，將若干個(gè)流道按并聯(lián)或串聯(lián)的方式連接起來(lái)，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(jì)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(duì)流換熱系數(shù)相等或接近，從而得到比較好的傳熱效果。因?yàn)樵趥鳠岜砻鎯蓚?cè)對(duì)流換熱系數(shù)相等或接近時(shí)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(jì)算時(shí)，仍以平均流速進(jìn)行計(jì)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(jì)選型時(shí)，一般對(duì)壓降有一定的要求，所以應(yīng)對(duì)其進(jìn)行校核。如果校核壓降超過(guò)允許壓降，需重新進(jìn)行設(shè)計(jì)選型計(jì)算，直到滿足工藝要求為止。計(jì)算方法關(guān)于傳熱系數(shù)和壓降的計(jì)算，由各個(gè)廠家產(chǎn)品的性能曲線計(jì)算得到。性能曲線（準(zhǔn)則關(guān)聯(lián)式）一般來(lái)自于產(chǎn)品的性能測(cè)試。對(duì)于缺少性能測(cè)試的板型，也可通過(guò)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(guó)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。重慶質(zhì)量空氣預(yù)熱器板式空氣預(yù)熱器有什么優(yōu)勢(shì)？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg"></div><p> 按制造廠提供的夾緊尺寸重新夾緊設(shè)備，尺寸應(yīng)均勻一致，壓緊尺寸的偏差應(yīng)不大于±0．2N(mm)(N。為板片總數(shù)），兩壓緊板間的平行度應(yīng)保持在2mm以內(nèi)。②在外漏部位上做好標(biāo)記，然后換熱器解體逐一排查解決，重新裝配或更換墊片和板片。③將開(kāi)換熱器解體，對(duì)板片變形部位進(jìn)行修理或者更換板片。在沒(méi)有板片備件時(shí)可將變形部位板片暫時(shí)拆除后重新組裝使用。④重新組裝拆開(kāi)的板片時(shí)，應(yīng)清潔板面，防止污物粘附著于墊片密封面。板式換熱器串液產(chǎn)生原因：①由于板材選擇不當(dāng)導(dǎo)致板片腐蝕產(chǎn)生裂紋或穿孔。②操作條件不符合設(shè)計(jì)要求。③板片冷沖壓成型后的殘余應(yīng)力和裝配中夾緊尺寸過(guò)小造成應(yīng)力腐蝕。④板片泄漏槽處有輕微滲漏，造成介質(zhì)中有害物質(zhì)（如C1）濃縮腐蝕板片。形成串液。現(xiàn)場(chǎng)分析發(fā)現(xiàn)，系統(tǒng)運(yùn)行溫度、流量和濃度等工藝參數(shù)均超出設(shè)計(jì)條件，使用溫度遠(yuǎn)超出材料的適用范圍。采用飽和蒸汽作為一次側(cè)熱源的板式換熱器在運(yùn)行過(guò)程中容易發(fā)生板片腐蝕。導(dǎo)致產(chǎn)品串液。這是由于蒸汽溫度較高，設(shè)備運(yùn)行中很容易造成橡膠密封墊在高溫下失效，引起蒸汽外漏并在二道密封區(qū)域急速冷凝。隨著外漏的不斷進(jìn)行，冷凝殘液越聚越多，局部形成cl質(zhì)量濃度較高區(qū)域。 </p><p> 空預(yù)器吹灰壓力、疏水溫度，脫硝催化劑出口氨逃逸等表計(jì)的檢測(cè)維護(hù)，保證指示準(zhǔn)確?？疹A(yù)器檢修中要通過(guò)校直大軸、修復(fù)密封片、利用新型密封技術(shù)等降低空預(yù)器漏風(fēng)率，提高空預(yù)器出口排煙溫度。C級(jí)及以上計(jì)劃?rùn)z修時(shí)，根據(jù)空預(yù)器腐蝕、積灰情況把蓄熱元件拆包徹底清洗，冷、熱端蓄熱元件復(fù)裝時(shí)調(diào)換位置使用。部分電廠聘請(qǐng)專(zhuān)業(yè)清洗公司用高壓射流清洗車(chē)對(duì)空預(yù)器蓄熱元件在不吊出的情況下進(jìn)行沖洗?？疹A(yù)器堵塞嚴(yán)重的，要分析蓄熱元件高度和直徑設(shè)計(jì)是否合理，必要時(shí)進(jìn)行大通道蓄熱元件換型改造（改成L型直通道），或進(jìn)行空預(yù)器增加直徑改造。投用暖風(fēng)器或熱風(fēng)再循環(huán)系統(tǒng)，將對(duì)機(jī)組經(jīng)濟(jì)性產(chǎn)生不利影響，機(jī)組煤耗將上升1-3g/kWh，因此，在冷端綜合溫度（或冷端平均溫度）滿足要求的情況下，應(yīng)及時(shí)停用暖風(fēng)器或熱風(fēng)再循環(huán)系統(tǒng)，防止過(guò)量投入造成能耗增加。板式空氣預(yù)熱器是一種電力工業(yè)經(jīng)常使用的節(jié)能、環(huán)保設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州板式空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039677734/951043.jpg"></div><p> NH3和SO3濃度乘積影響***氫氨形成的另一重要因素是NH3和SO3濃度的乘積。以往認(rèn)為如果氨逃逸量在2μL/L以下將不會(huì)形成***氫氨，然而事實(shí)上在足夠高的SO3煙氣濃度下即使1μL/L的氨逃逸量仍可形成***氫氨。而且，隨著NH3和SO3濃度乘積的升高，***氫氨的**溫度升高，使得空預(yù)器發(fā)生***氫氨沉積的范圍進(jìn)一步加大。隨鍋爐運(yùn)行負(fù)荷變化，會(huì)導(dǎo)致通過(guò)催化劑的煙氣量、溫度、煙氣流速等發(fā)生變化，從而對(duì)***氫氨的形成產(chǎn)生影響：在鍋爐滿負(fù)荷(MCR)運(yùn)行時(shí)，催化劑區(qū)域溫度較高，流場(chǎng)也較為均勻，***氫氨的形成可能降低；反之，隨著鍋爐運(yùn)行負(fù)荷的降低，煙氣流量降低，催化劑區(qū)域溫度降低，***氫氨的形成可能增加。3***氫氨的控制～230℃之間的溫區(qū)位于空預(yù)器常規(guī)設(shè)計(jì)的冷段層上方和中間層下方，由于***氫氨在此溫區(qū)為液態(tài)向固態(tài)轉(zhuǎn)變階段，具有極強(qiáng)的吸附性，會(huì)造成大量灰分在空預(yù)器沉降，引起空預(yù)器堵塞及阻力上升，嚴(yán)重時(shí)將迫使停爐以清理空預(yù)器。同時(shí)，***氫氨或***氨本身對(duì)金屬有較強(qiáng)的腐蝕性，會(huì)造成催化劑金屬支撐架和空預(yù)器冷段腐蝕。因此必須嚴(yán)格控制氨泄漏量，一般要求小于3μL/L。當(dāng)反應(yīng)器入口管道設(shè)計(jì)不合理時(shí)，會(huì)引起反應(yīng)器截面上的NH3/NOx摩爾比、流量或溫度出現(xiàn)偏差。板式空氣預(yù)熱器使用在制氫轉(zhuǎn)化爐。重慶質(zhì)量空氣預(yù)熱器</p><p style="text-indent:25px">什么是板式空氣預(yù)熱器？貴州板式空氣預(yù)熱器</p><p> 制造谷氨酸鈉。紡織工業(yè)：各種廢液熱回收，沸騰磷化纖維的冷卻，冷卻粘膠液，醋酸和酸醋酐的冷卻，冷卻堿水溶液，粘膠絲的加熱和冷卻。造紙工業(yè)：冷卻黑水。漂白用鹽、堿液的加熱、冷卻，玻璃紙廢液的熱回收，加熱蒸煮酸，冷卻氫氧化鈉水溶液，回收漂白張紙的廢液，排氣的凝縮，預(yù)熱濃縮紙漿似的廢液。集中供暖熱電廠廢熱區(qū)域供暖，加熱生活用水，鍋爐區(qū)域供暖。油脂工業(yè)：加熱、冷卻合成洗滌劑，加熱鯨油，冷卻植物油，冷卻氫氧化鈉，冷卻甘油、乳化油。電力工業(yè)：發(fā)電機(jī)軸泵冷卻，變壓器油冷卻。船舶：柴油機(jī)，**冷卻器，卸套水冷卻器，活塞冷卻器，潤(rùn)滑油冷卻器，預(yù)熱器，海水淡化系統(tǒng)（包括多級(jí)及單級(jí)）。海水養(yǎng)殖育苗：配套鍋爐給育苗海水升溫已節(jié)約煤炭的使用，從而節(jié)能環(huán)保。其他：醫(yī)藥、石油、建陶、玻璃、水泥、地?zé)崂玫?。[5]板式換熱器故障處理編輯板式換熱器外漏產(chǎn)生原因：①夾緊尺寸不到位、各處尺寸不均勻。各處尺寸偏差不應(yīng)大于3mm）或夾緊螺栓松動(dòng)。②部分密封墊脫離密封槽，密封墊主密封面有臟物，密封墊損壞或板式換熱器密封墊片老化。③板片發(fā)生變形，組裝錯(cuò)位引起跑墊。④在板片密封槽部位或二道密封區(qū)域有裂紋。處理方法：①在無(wú)壓狀態(tài)。貴州板式空氣預(yù)熱器</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2781193.html</p></div></div></div></div></div><div id="jn8plxe" class="page-right twoColRt"><div id="uo32oqx" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="nhyaht3" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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