海南空氣預(yù)熱器生產(chǎn)商上海板換機(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=" 技術(shù)領(lǐng)域本實(shí)用新型涉及電站鍋爐空預(yù)器運(yùn)行安全技術(shù)領(lǐng)域，特別涉及一種有效緩解空預(yù)器***氫銨堵塞的聯(lián)合系統(tǒng)。背景技術(shù)：目前，部分燃煤鍋爐排煙溫度低于設(shè)計(jì)值，導(dǎo)致空氣預(yù)熱器冷端綜合溫度降低、***"><meta name="keywords" content="海南空氣預(yù)熱器生產(chǎn)商"><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 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clearfix"><h1>海南空氣預(yù)熱器生產(chǎn)商上海板換機(jī)械設(shè)備供應(yīng)</h1><div id="eyctvcw" class="proBig"><div id="aegyf8b" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ixe8ntb" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="u3rx8t4" 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>海南空氣預(yù)熱器生產(chǎn)商</p><p><span>***更新：</span>2020-06-20 15:24:33</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="iwtnuy4" 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="tx83qgk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cr3b8wq" class="box"><p><p> 技術(shù)領(lǐng)域本實(shí)用新型涉及電站鍋爐空預(yù)器運(yùn)行安全技術(shù)領(lǐng)域，特別涉及一種有效緩解空預(yù)器***氫銨堵塞的聯(lián)合系統(tǒng)。背景技術(shù)：目前，部分燃煤鍋爐排煙溫度低于設(shè)計(jì)值，導(dǎo)致空氣預(yù)熱器冷端綜合溫度降低、***氫銨腐蝕及堵塞加劇、煙氣余熱的能級(jí)降低、引風(fēng)機(jī)電耗增大等問題。尤其針對(duì)裝設(shè)有mggh系統(tǒng)的機(jī)組，海南空氣預(yù)熱器生產(chǎn)商，單純利用空氣預(yù)熱器出口的煙氣余熱，不足以將脫硫塔出口的煙氣溫度提升至設(shè)計(jì)值，需另外投入大量的輔助蒸汽來維持煙囪入口煙氣溫度。（三）技術(shù)實(shí)現(xiàn)要素：本實(shí)用新型為了彌補(bǔ)現(xiàn)有技術(shù)的不足，提供了一種結(jié)構(gòu)簡單、設(shè)計(jì)合理的有效緩解空預(yù)器***氫銨堵塞的聯(lián)合系統(tǒng)，海南空氣預(yù)熱器生產(chǎn)商。本實(shí)用新型是通過如下技術(shù)方案實(shí)現(xiàn)的：一種有效緩解空預(yù)器***氫銨堵塞的聯(lián)合系統(tǒng)，包括安裝在空氣預(yù)熱器出口至mggh煙氣冷卻器進(jìn)口煙道之間的前置煙冷器，用來吸收煙氣余熱；安裝在送風(fēng)機(jī)出口冷風(fēng)道內(nèi)的蒸汽暖風(fēng)器，海南空氣預(yù)熱器生產(chǎn)商，用來加熱鍋爐送風(fēng)；安裝在蒸汽暖風(fēng)器出口至空氣預(yù)熱器入口風(fēng)道之間的水媒式暖風(fēng)器，用來進(jìn)一步提高鍋爐送風(fēng)溫度。本實(shí)用新型采用前置煙冷器聯(lián)合水媒式暖風(fēng)器和蒸汽暖風(fēng)器共同加熱鍋爐送風(fēng)。蒸汽暖風(fēng)器采用旋轉(zhuǎn)式，可根據(jù)環(huán)境溫度和機(jī)組負(fù)荷進(jìn)行調(diào)整，減少風(fēng)機(jī)電耗。前置煙冷器回收部分煙氣余熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南空氣預(yù)熱器生產(chǎn)商" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220412821406250/101176.jpg"></div><p> 15、環(huán)向密封環(huán)向密封條安裝在轉(zhuǎn)子中心筒和轉(zhuǎn)子外緣角鋼的頂部和底部，其主要功能是阻斷因未經(jīng)過熱交換而影響空預(yù)器熱力性能的轉(zhuǎn)子外側(cè)的旁路氣流。此外，環(huán)向密封還有助于軸向密封，因此它降低了軸向密封片兩側(cè)壓差的大小。在轉(zhuǎn)子底部外緣，由。由于在滿負(fù)荷運(yùn)行時(shí)轉(zhuǎn)子向下變形，因此安裝該密封條時(shí)需預(yù)先考慮到這一間除要求。該密封條用螺母以及壓板固定。頂部環(huán)向密封由焊在轉(zhuǎn)子外殼上的密封條組成。在設(shè)置該密封條時(shí)應(yīng)預(yù)先考慮到滿負(fù)荷時(shí)轉(zhuǎn)子以及外殼的徑向變形差。內(nèi)緣環(huán)向密封條安裝在莊子中心筒的頂部和底部，與頂部和底部扇形板一起構(gòu)成密封對(duì)，通過螺栓與焊接在固定板內(nèi)側(cè)的螺母一起鎖定。16、轉(zhuǎn)子中心筒密封中心筒密封為雙密封布置，密封片安裝在扇形板上，與中心筒構(gòu)成密封對(duì)。內(nèi)側(cè)密封由兩個(gè)，兩個(gè)圓環(huán)之間用低碳鋼支撐環(huán)固定，內(nèi)側(cè)密封直接裝到扇形板上。為便于更換，內(nèi)側(cè)密封分作兩段安裝，可以直接進(jìn)行更換和安裝。外側(cè)密封為盤根填料密封。盤根填料座的支探板固定在扇形板的加強(qiáng)板上。盤根填料選為非石棉石墨**盤根，盤根耐熱溫度不低于500℃。盤根填料設(shè)為三層，截面為15mm×15mm。上述中心筒內(nèi)、外側(cè)密封之間的填料室設(shè)有一直接通向煙氣側(cè)的槽形管道。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海南空氣預(yù)熱器生產(chǎn)商" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg"></div><p> 空氣預(yù)熱器換熱原理空氣預(yù)熱器是布置在尾部煙道上利用排煙余熱將空氣預(yù)熱到所需溫度的熱交換器。當(dāng)空預(yù)器換熱元件經(jīng)過煙氣側(cè)時(shí)，煙氣攜帶的一部分熱量就傳遞給換熱元件；而換熱元件經(jīng)過空氣側(cè)時(shí)又把熱量傳遞給空氣。這樣空預(yù)器回收了煙氣的熱量，降低了排煙溫度，提高了燃料與空氣的初始溫，強(qiáng)化了燃料的燃燒，因而進(jìn)一步提高了鍋爐效率。換熱元件換熱元件由薄鋼板制成，一片波紋板上有斜波．另一片上除了方向不同的斜波外還有直槽，帶斜波的波紋板和帶有斜波和直槽的定位板交替層疊．直槽與轉(zhuǎn)子軸線方向平行布置、使波紋板和定位板之間保持適當(dāng)?shù)募措x。斜波與直槽呈30o夾角．使得空氣或煙氣流經(jīng)換熱元件時(shí)形成較大的紊流，以改換換熱效果。由于冷端（即煙氣出口端和空氣入口端）受溫度和燃燒條件的影響**易腐蝕，因而換熱元件分層布置，其中，熱端和中溫段換熱元件由低碳鋼制成，而冷端換熱元件則由等同考登鋼制成。換熱元件均裝在元件盒內(nèi)以便于安裝和取出。其中，熱端和中溫段換熱元件垂直向上抽取。熱端：厚，深350mm，低碳鋼中溫端：厚，深1000mm，低碳鋼冷端：厚，深950mm，等同烤登鋼2、轉(zhuǎn)子連在中心筒輪轂上的低碳鋼主隔板為轉(zhuǎn)子的基本構(gòu)架。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/327762.html</p></div></div></div></div></div><div id="hlif7lp" class="page-right twoColRt"><div id="gkryf8z" class="box01 margin10 clearfix"><h3><a 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