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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2gu3zq7" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>青海空氣預熱器電話,空氣預熱器</p><p><span>***更新：</span>2021-01-12 05:07:26</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="1coa7ln" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海板換機械設備有限公司</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>網址: </span>http://www.shphe.com</p><p><span>手機: </span>021-57247534</p><p><span>地址: </span>山陽鎮(zhèn)山寧路99號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="4gxji9x" class="page-proshow02"><p class="title">詳細說明</p><div id="wkm8r2o" class="box"><p><p style="text-indent:25px"> 上海板換機械設備有限公司是專業(yè)從事板式熱交換器及其成套裝置設計、制造，青海空氣預熱器電話、安裝和服務的中德合資企業(yè)。公司生產的板式空氣預熱器是一種節(jié)能設備，使用在制氫轉化爐、裂解爐，青?？諝忸A熱器電話、加熱爐、鋼鐵工業(yè)的煉鋼爐、廢氣催化焚燒爐、熱風爐等產生的高溫煙氣與燃燒所用冷空氣進行換熱的設備。板式空氣預熱器的作用是使高溫煙氣冷卻，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，青?？諝忸A熱器電話、冶金、電力工業(yè)等行業(yè)經常使用的節(jié)能環(huán)保設備。板式空氣預熱器是一種電力工業(yè)經常使用的節(jié)能、環(huán)保設備。青?？諝忸A熱器電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青?？諝忸A熱器電話,空氣預熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg"></div><p> 15、環(huán)向密封環(huán)向密封條安裝在轉子中心筒和轉子外緣角鋼的頂部和底部，其主要功能是阻斷因未經過熱交換而影響空預器熱力性能的轉子外側的旁路氣流。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壓差的大小。在轉子底部外緣，由。由于在滿負荷運行時轉子向下變形，因此安裝該密封條時需預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)向密封由焊在轉子外殼上的密封條組成。在設置該密封條時應預先考慮到滿負荷時轉子以及外殼的徑向變形差。內緣環(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成密封對，通過螺栓與焊接在固定板內側的螺母一起鎖定。16、轉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，與中心筒構成密封對。內側密封由兩個，兩個圓環(huán)之間用低碳鋼支撐環(huán)固定，內側密封直接裝到扇形板上。為便于更換，內側密封分作兩段安裝，可以直接進行更換和安裝。外側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℃。盤根填料設為三層，截面為15mm×15mm。上述中心筒內、外側密封之間的填料室設有一直接通向煙氣側的槽形管道。上海采暖空氣預熱器板式空氣預熱器是一種冶金行業(yè)經常使用的節(jié)能、環(huán)保設備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青?？諝忸A熱器電話,空氣預熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220411145419922/7208407.jpg"></div><p> 空氣預熱器換熱原理空氣預熱器是布置在尾部煙道上利用排煙余熱將空氣預熱到所需溫度的熱交換器。當空預器換熱元件經過煙氣側時，煙氣攜帶的一部分熱量就傳遞給換熱元件；而換熱元件經過空氣側時又把熱量傳遞給空氣。這樣空預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，強化了燃料的燃燒，因而進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．直槽與轉子軸線方向平行布置、使波紋板和定位板之間保持適當的即離。斜波與直槽呈30o夾角．使得空氣或煙氣流經換熱元件時形成較大的紊流，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、轉子連在中心筒輪轂上的低碳鋼主隔板為轉子的基本構架。 </p><p> 板式換熱器處理方法：編輯①換熱器流道中的臟物或板片結垢，對于新運行的系統(tǒng)，根據實際情況每周清洗一次。清洗板片表面水垢（主要指CaCO3）時，選用含氨基磺酸溶液或含烏洛托品、苯胺、硝酸溶液作為清洗液，清洗溫度4O～6O℃。不拆卸設備化學浸泡清洗時，要打開換熱器冷介質進、出口，或安裝設備時在介質進、出口接管上安裝DN25清洗口，將配好的清洗液注入設備中，浸泡后用清水清洗干凈殘留酸液，使pH≥7。拆開清洗時，將板片在清洗液中浸泡30min。然后用軟刷輕刷結垢，用清水清洗干凈。清洗過程中應避免損傷板片與橡膠墊。若采用不拆卸機械反沖洗方法，應事先在介質進、出口管路上接一管口，將設備與機械清洗車連接，把清洗液按介質流動的反方向注入設備，循環(huán)清洗時間10～15min，介質流速控制在～m/s。再用清水循環(huán)幾遍，使清水中Cl質量濃度控制在25mg/I以下。②二次循環(huán)水比較好采用經過軟化處理后的軟水。一般要求水中懸浮物質量濃度不大于5mg/L、雜質直徑不大于3mm、pH≥7。當水溫不大于95℃時，Ca、Mg濃度應不大于2mmol/L；當水溫大于95℃時，Ca、Mg濃度應不大于0．3mmol/L、溶解氧質量濃度應不大于0．1mg/L。③對于集中供熱系統(tǒng)，可以采用一次向二次補水的方法。板式空氣預熱器不易積灰結垢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青?？諝忸A熱器電話,空氣預熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039677734/951043.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，膠墊可隨意更換，并可方便在、拆裝檢修。5、適應性強：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置泄液液道，各種介質不會串通，即使出現(xiàn)泄露，介質總是向外排出。板式換熱器應用領域編輯板式換熱器已***應用于冶金、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乙二醇等防凍液熱量交換過程，以達到利用太陽能目的?；瘜W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、拉絲機冷卻液。冶金行業(yè)：鋁酸鹽母液的加熱和冷卻，冷卻鋁酸鈉。煉鋁軋機潤滑油冷卻。機械制造業(yè)：各種淬火液冷卻，冷卻壓力機、工業(yè)母機潤滑油，加熱發(fā)動機用油。食品工業(yè)制鹽，乳品，醬油，動植物油加熱、冷卻，啤酒生產中啤酒、麥芽汁的加熱冷卻，制糖，明膠濃縮。板式空氣預熱器的作用是降低能源消耗。陜西空氣預熱器市場前景如何</p><p style="text-indent:25px">板式空氣預熱器有什么特點？青?？諝忸A熱器電話</p><p> 在選擇傳熱元件時，要考慮到用戶的實際情況，從設備長期安全穩(wěn)定運行的角度出發(fā)，適應煤種在一定范圍內的變化，確保在使用過程中不堵灰，保持較低的排煙溫度，保證在長時間的運行過程中，鍋爐的效率保持在較高水平。而不是像某些公司一樣，*考慮單一設計煤種，在燃料變化后，無法滿足機組經濟、穩(wěn)定和安全運行的需要。元件板型的選擇需同時考慮傳熱效果、流通阻力和堵灰可能三個因素。采用傳熱效果好的傳熱元件能降**造成本，但是不一定流通阻力小或耐堵灰，造成運行成本上升。例如某公司在預熱器冷段采用HS7、HS8等DU系列波形元件，雖然預熱器轉子重量變輕，但是當燃料灰分變多，或用于SCR預熱器時，很容易造成堵灰，使阻力上升。傳熱效果和流通阻力往往構成一對矛盾，因為提高換熱效果是通過加強氣流通道的局部紊流狀況，即加大換熱表面波紋密度或傾斜角，但這種方式也同時加大了流通阻力系數。本著對用戶負責的態(tài)度，在選用波形和煤種的匹配上，在傳熱元件的選擇上的做法是根據燃料的特性選擇合適的傳熱元件板型，通常在預熱器熱段和中溫段選擇DU3、DN、DL等波型傳熱元件，匹配從無煙煤到褐煤燃料。青?？諝忸A熱器電話</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2809742.html</p></div></div></div></div></div><div id="n89arlw" class="page-right twoColRt"><div id="pyfrir3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="iwizvz7" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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