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id="swols28" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_crsbje/">傳熱設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-crsbje_qtcrsbpw/">其他傳熱設(shè)備</a>?湖北空氣預(yù)熱器生產(chǎn)廠家上海板換機(jī)械設(shè)備供應(yīng)</p><div id="sbikmo8" class="leftbox clearfix"><h1>湖北空氣預(yù)熱器生產(chǎn)廠家上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="37f3lix" class="proBig"><div id="3tkheg8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031435547/8438841.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ktac2td" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031435547/8438841.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mp34ikz" 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>湖北空氣預(yù)熱器生產(chǎn)廠家,空氣預(yù)熱器</p><p><span>***更新：</span>2020-08-16 23:09:56</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="m7kugy2" 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="le34zw4" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="w7pre3y" class="box"><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。空預(yù)器檢修中要通過校直大軸、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，湖北空氣預(yù)熱器生產(chǎn)廠家。C級(jí)及以上計(jì)劃檢修時(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)專業(yè)清洗公司用高壓射流清洗車對(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），湖北空氣預(yù)熱器生產(chǎn)廠家，或進(jìn)行空預(yù)器增加直徑改造，湖北空氣預(yù)熱器生產(chǎn)廠家。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)，防止過量投入造成能耗增加。板式空氣預(yù)熱器是全焊接密封結(jié)構(gòu)。湖北空氣預(yù)熱器生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北空氣預(yù)熱器生產(chǎn)廠家,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031435547/8438841.jpg"></div><p> 上海板換機(jī)械設(shè)備有限公司是專業(yè)從事板式熱交換器及其成套裝置設(shè)計(jì)、制造、安裝和服務(wù)的中德合資企業(yè)。公司擁有發(fā)明、實(shí)用新型專利及著作權(quán)等三十余項(xiàng)，技術(shù)人員占公司員工總數(shù)40%以上。公司生產(chǎn)的板式空氣預(yù)熱器是一種節(jié)能設(shè)備，使用在制氫轉(zhuǎn)化爐、裂解爐、加熱爐、鋼鐵工業(yè)的煉鋼爐、廢氣催化焚燒爐、熱風(fēng)爐等產(chǎn)生的高溫?zé)煔馀c燃燒所用冷空氣進(jìn)行熱交換的設(shè)備，其作用是使高溫?zé)煔饫鋮s，減少有害氣體排放，提高燃燒空氣溫度，降低能源消耗，是一種煉油、化工、鋼鐵、冶金、電力工業(yè)等行業(yè)經(jīng)常使用的節(jié)能、環(huán)保設(shè)備。湖北空氣預(yù)熱器生產(chǎn)廠家板式空氣預(yù)熱器適合安裝空間有限的改造項(xiàng)目。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北空氣預(yù)熱器生產(chǎn)廠家,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220424328769531/3189655.jpg"></div><p> 【摘要】：為了適應(yīng)環(huán)保新要求，SCR超低排放改造后，造成空預(yù)器壓差偏大，引起風(fēng)機(jī)耗電增加、喘振失速等問題，必須對(duì)空預(yù)器進(jìn)行升溫或在線水沖洗。經(jīng)過多次升溫消除空預(yù)器堵塞和在線水沖洗，積累了經(jīng)驗(yàn)?？諝忸A(yù)熱器堵灰還會(huì)造成鍋爐排煙溫度升高,風(fēng)煙系統(tǒng)阻力增加，一次風(fēng)、二次風(fēng)正壓側(cè)和煙氣負(fù)壓側(cè)的壓差增大，增加了空氣預(yù)熱器漏風(fēng)，堵灰嚴(yán)重還會(huì)影響鍋爐的帶負(fù)荷能力。1.空預(yù)器堵塞的一般原因鍋爐燃煤煤種不符合設(shè)計(jì)值煤種含硫量過高。會(huì)引起煙氣**的降低，導(dǎo)致空預(yù)器冷端結(jié)露而造成腐蝕。燃煤低位發(fā)熱量過低，會(huì)造成燃煤量、煙氣量增大，增加了空預(yù)器阻力。灰分過高，造成鍋爐各受熱面積灰及磨損嚴(yán)重。揮發(fā)分過高，引起灰熔點(diǎn)下降，更容易結(jié)焦。鍋爐啟動(dòng)時(shí)制粉系統(tǒng)投入不當(dāng)鍋爐啟動(dòng)過程中，采用小油點(diǎn)火，或是啟動(dòng)磨煤機(jī)時(shí)，爐膛溫度低，煤粉燃燒相對(duì)較差，勢(shì)必會(huì)造成飛灰可燃物大量增加。大量或者長時(shí)間投運(yùn)油時(shí)，未燃盡的油污及未燃燒的煤粉進(jìn)入空預(yù)器增加了堵灰的風(fēng)險(xiǎn)?？疹A(yù)器吹灰介質(zhì)未達(dá)到設(shè)計(jì)值空預(yù)器采用蒸汽吹灰時(shí)，疏水不暢或時(shí)間過短，造成空預(yù)器吹灰蒸汽過熱度不足，吹灰效果差。有資料指出，空預(yù)器吹灰蒸汽過熱度應(yīng)保持在111-130℃。</p><p> 底梁還通過底部軸承凳板支撐著空預(yù)器轉(zhuǎn)動(dòng)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(duì)接在項(xiàng)、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(dòng)裝置轉(zhuǎn)子由中心驅(qū)動(dòng)裝置驅(qū)動(dòng)，驅(qū)動(dòng)裝置直接與轉(zhuǎn)子頂部端軸相連。兩臺(tái)電機(jī)均能以正、反兩個(gè)方向驅(qū)動(dòng)空預(yù)器，只有在空預(yù)器不帶負(fù)荷時(shí)才允許改變驅(qū)動(dòng)方向。兩臺(tái)驅(qū)動(dòng)電機(jī)與初級(jí)減速箱均為法蘭連接。終級(jí)減速箱通過輸出軸套直接套裝在驅(qū)動(dòng)軸軸上并用鎖緊盤固定。終級(jí)減速箱一側(cè)裝有扭矩臂。哪里生產(chǎn)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="湖北空氣預(yù)熱器生產(chǎn)廠家,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220411145419922/7208407.jpg"></div><p> 隨國家節(jié)能減排工作的不斷深入，新版《火電廠大氣污染物排放標(biāo)準(zhǔn)》（GB13223-2011）要求，NOx排放限值為100mg/Nm3?，F(xiàn)在燃煤鍋爐均已安裝脫硝系統(tǒng)，其中絕大部分采用SCR脫硝方式，SCR脫硝方式運(yùn)行中必然發(fā)生部分氨逃逸。2013年11月份起，空預(yù)器差壓逐漸增大，至2014年3月份，在負(fù)荷到270MW時(shí)，空預(yù)器差壓比較大達(dá)：從空預(yù)器差壓發(fā)展可看出，堵塞具有如下特點(diǎn)：（1）A空預(yù)器堵塞情況較輕，B空預(yù)器堵塞較嚴(yán)重；（2）堵塞發(fā)展很快，2013年11月20日，負(fù)荷280MW時(shí)，A、B側(cè)空預(yù)器煙氣差壓*分別為、，到4個(gè)月后，2014年3月27日煙氣差壓已達(dá)到。其中特別是B側(cè)空預(yù)器，堵塞明顯嚴(yán)重，造成B側(cè)煙氣流量減少。因而A引風(fēng)機(jī)煙氣通流量加大，電流明顯上升，由134A上升到160A。（3）B空預(yù)器旋轉(zhuǎn)一圈的情況下，差壓呈周期性變化，比較大達(dá)kPa，**小達(dá)kPa，說明B空預(yù)器局部堵塞嚴(yán)重。即便以**小值比較，堵塞現(xiàn)象也較為明顯?？疹A(yù)器解體后堵塞情況2014年4月大修期間，解體空預(yù)器蓄熱元件，發(fā)現(xiàn)堵塞情況主要集中冷段蓄熱元件約350mm以下部位，且堵塞物較硬。堵塞物化學(xué)分析空預(yù)器冷端冷端密封板上均為結(jié)晶樣顆粒，且結(jié)晶物較為堅(jiān)硬?？疹A(yù)器運(yùn)行半年后阻力增加約50%，對(duì)引風(fēng)機(jī)也會(huì)造成較大影響。板式空氣預(yù)熱器適用哪些工況？黑龍江采暖空氣預(yù)熱器</p><p style="text-indent:25px">板式空氣預(yù)熱器方便清洗嗎？湖北空氣預(yù)熱器生產(chǎn)廠家</p><p> 同一單元兩臺(tái)機(jī)組不可同時(shí)進(jìn)行升溫工作，20日完不成，可以由21日中班完成，月末上報(bào)績效分爐分AB側(cè)統(tǒng)計(jì)。加強(qiáng)監(jiān)視煙溫測(cè)點(diǎn)，尤其在負(fù)荷變化及啟停磨期間，確保排煙溫度測(cè)點(diǎn)比較高點(diǎn)不得超過170℃。調(diào)節(jié)送吸風(fēng)量應(yīng)緩慢進(jìn)行，溫升5~10℃暫停調(diào)節(jié)穩(wěn)定20分鐘以上，方可繼續(xù)升溫。注意調(diào)節(jié)煙溫變化速率。加強(qiáng)對(duì)空預(yù)器電流監(jiān)測(cè)，預(yù)熱器電流一般不得超過正常值5A以上，否則穩(wěn)定煙溫待空預(yù)器受熱均勻。用于在沖洗過程中監(jiān)視煙道中的積灰和排污情況。關(guān)閉高壓水管路中通往#1機(jī)組的閥門，打開通往#2機(jī)組的閥門和通往#2機(jī)A側(cè)的閥門，關(guān)閉通往#2機(jī)B側(cè)的閥門關(guān)閉。還要關(guān)閉A側(cè)底部蒸汽進(jìn)口管道上的閥門，防止高壓水沖洗時(shí)將蒸汽帶入。高壓水泵可遠(yuǎn)方或就地操作，以下*以就地操作為例。在就地控制柜上啟動(dòng)高壓水泵（#1和#2機(jī)組共用一臺(tái)高壓水泵），就地控制柜帶有邏輯控制功能，在程控作用下，水泵啟動(dòng)40-60S后氣動(dòng)卸荷閥自動(dòng)關(guān)閉，然后人工調(diào)節(jié)帶有紅色手柄的調(diào)壓閥，將水泵緩慢升壓至20MPa。吹灰器可遠(yuǎn)方或就地操作，以下*以就地操作為例。在吹灰器就地控制箱上將密封風(fēng)機(jī)停止，選擇“高壓水在線吹掃”并啟動(dòng)，就地控制箱柜帶有邏輯控制功能，在程控作用下。湖北空氣預(yù)熱器生產(chǎn)廠家</p><p style="text-indent:25px">上海板換機(jī)械設(shè)備有限公司坐落山陽鎮(zhèn)山寧路99號(hào)，交通便利，環(huán)境優(yōu)美，是一家生產(chǎn)型企業(yè)。上海板換是一家有限責(zé)任公司企業(yè)，一直貫徹“以人為本，服務(wù)于社會(huì)”的經(jīng)營理念;“質(zhì)量高速，誠守信譽(yù)，持續(xù)發(fā)展”的質(zhì)量方針。公司始終堅(jiān)持客戶需求***的原則，致力于提供高質(zhì)量的[ "板式換熱器機(jī)組", "可拆式板式換熱器", "焊接式板式換熱器", "板式空氣預(yù)熱器" ]。上海板換以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/939168.html</p></div></div></div></div></div><div id="rp2t3ik" class="page-right twoColRt"><div id="8yv78sz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="32su8qn" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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