福建化工空氣預(yù)熱器上海板換機械設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 進汽端比疏水端提高了約300mm左右，可以緩解了暖風(fēng)器泄漏幾率。在暖風(fēng)器處都增加了玻璃觀察窗，以方便運行過程中檢查暖風(fēng)器是否內(nèi)漏。制粉系統(tǒng)投運時盡量滿足著火能量機組每次停運時，在條件允許的情況"><meta name="keywords" content="福建化工空氣預(yù)熱器,空氣預(yù)熱器"><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 http-equiv="Cache-Control" content="no-transform" /> <meta 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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>?福建化工空氣預(yù)熱器上海板換機械設(shè)備供應(yīng)</p><div id="ujbog4m" class="leftbox clearfix"><h1>福建化工空氣預(yù)熱器上海板換機械設(shè)備供應(yīng)</h1><div id="mrjgix2" class="proBig"><div id="8pphjts" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039599609/9723902.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wvsuw4o" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039599609/9723902.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rgyqiho" class="content"><p><span>需求數(shù)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(chǎn)品關(guān)鍵詞：</span>福建化工空氣預(yù)熱器,空氣預(yù)熱器</p><p><span>***更新：</span>2020-06-16 12:20:55</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="g2ikx9y" 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(shè)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(wǎng)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(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="ts3t83l" class="page-proshow02"><p class="title">詳細說明</p><div id="n293ucu" class="box"><p><p> 進汽端比疏水端提高了約300mm左右，可以緩解了暖風(fēng)器泄漏幾率。在暖風(fēng)器處都增加了玻璃觀察窗，以方便運行過程中檢查暖風(fēng)器是否內(nèi)漏。制粉系統(tǒng)投運時盡量滿足著火能量機組每次停運時，在條件允許的情況下，盡量將安裝有等離子點火裝置的磨煤機對應(yīng)煤斗燒空，并在下次機組啟動前將該煤斗配上發(fā)熱量大于4500kcal/kg，揮發(fā)份較高的煤種。同時等離子磨煤機啟動前應(yīng)保證二次風(fēng)溫大于200℃，以減少制粉系統(tǒng)啟動初期大量不完全燃燒產(chǎn)物的生成，從而抑止空預(yù)器堵灰的發(fā)生。加強省煤器輸灰系統(tǒng)綜合治理鍋爐日常運行中加強省煤器灰斗料位的監(jiān)視和控制，一旦發(fā)現(xiàn)高料位，立即聯(lián)系檢修進行處理。同時利用停爐機會，福建化工空氣預(yù)熱器，檢查省煤器灰斗真實料位，徹底疏通輸灰管線。對空預(yù)器要進行定期吹灰且吹灰蒸汽要保證足夠的過熱度吹灰至少每8小時進行一次，如果發(fā)現(xiàn)空預(yù)器差壓有上升趨勢，應(yīng)縮短吹灰時間間隔。吹灰程序控制必須采取疏水溫度控制，不能通過時間簡單判斷疏水是否干凈，福建化工空氣預(yù)熱器，福建化工空氣預(yù)熱器，必要時進行疏水管路改造以確?？疹A(yù)器吹灰效果。加強吹灰閥門的綜合治理每次停爐后對空預(yù)器吹灰進汽閥和吹灰***進行檢查處理，保證運行中不發(fā)生濕蒸汽泄漏到空預(yù)器換熱元件上。板式空氣預(yù)熱器適用哪些工況？福建化工空氣預(yù)熱器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建化工空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039599609/9723902.jpg"></div><p> 國內(nèi)部分進行煙氣脫硝改造機組對空預(yù)器低溫段元件鍍搪瓷，空預(yù)器冷段換熱元件即使采用鍍搪瓷元件，如果沒有有效的吹灰清洗裝置相配套，同樣會發(fā)生嚴(yán)重的堵灰。搪瓷鍍層能***降低***氫氨的結(jié)垢速率，但如鍍層因加工質(zhì)量而損裂，將不利于防止***氫氨的吸附。氨逃逸濃度過高氨逃逸濃度越大，空預(yù)器阻力增加的越快。煙氣脫硝裝置運行過程中，除了極端工況造成短時間內(nèi)過量噴氨外。當(dāng)氨噴射系統(tǒng)設(shè)計不當(dāng)、煙氣流場分布不均勻或者噴氨格柵局部噴嘴被堵塞時，也會造成反應(yīng)器出口局部區(qū)域的氨逃逸過量。不同程度的氨逃逸是造成空預(yù)器堵塞的主要原因。對于煙氣脫硝裝置，除通過氨噴射系統(tǒng)、導(dǎo)流系統(tǒng)、混合系統(tǒng)的設(shè)計提高煙氣流場的分布均勻性外，日常運行過程中，還需嚴(yán)格控制噴氨量，防止過度噴氨，并定期進行氨噴射系統(tǒng)的噴氨流量平衡調(diào)整，防止局部噴氨過大造成氨逃逸濃度升高。3.空預(yù)器堵塞的預(yù)防為了更好地控制空預(yù)器堵塞情況，必須采取技術(shù)手段，杜絕空預(yù)器堵塞的原因，從根本上降低或者杜絕空預(yù)器堵塞情況發(fā)生。SCR超低排放前的一般手段冬季加強暖風(fēng)器綜合治理利用停爐機會對暖風(fēng)器進行改造，以徹底解決因暖風(fēng)器疏水不暢通引起振動而引起內(nèi)漏?？煽紤]對暖風(fēng)器進行改造。重慶空氣預(yù)熱器板式空氣預(yù)熱器的作用是提高燃燒空氣溫度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建化工空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031435547/8438841.jpg"></div><p> 比例可根據(jù)具體情況調(diào)整）。6．反復(fù)循環(huán)清洗到推薦的清洗時間。隨著循環(huán)的進展和沉積物的溶解，反應(yīng)時產(chǎn)生的氣體也會增多，應(yīng)隨時通過放氣閥將多余的空氣排出。隨著空氣的排出，換熱器內(nèi)的空間會增大，可加入適當(dāng)?shù)乃?，不要一開始就注入大量的水，可能會造成水的溢出。7．循環(huán)中要定時檢查清洗劑的有效性?？梢允褂肞H試紙測定。如果溶液保持在PH值2‐3時，那么清洗劑仍然有效。如果清洗劑的PH值達到5‐6時，需要再添加適量清洗劑。**終溶液的PH值在2‐3時保持30分鐘沒有明顯變化，證明達到了清洗效果。注意：清洗劑可以回收后重復(fù)使用，排放會造成浪費。8．達到清洗時間后，回收清洗溶液。并用清水反復(fù)沖洗交換器，直到?jīng)_洗干凈至中性，用PH試紙測定PH值6~7。9．完成清洗后既可開機運行。也可以打壓試驗，看是否有泄漏現(xiàn)象。如果有泄漏，可以采用高分子復(fù)合材料進行修復(fù)保護。并且可以**延長設(shè)備的使用壽命。⒑設(shè)備穩(wěn)定后，記下當(dāng)前的介質(zhì)過流量、工作壓力、換熱效率等數(shù)據(jù)。⒒比較清洗前和清洗后數(shù)值的變化，就可以計算出該企業(yè)每個小時所節(jié)省的電費、煤費等生產(chǎn)費用及提高的工作效率，這正是企業(yè)采用技術(shù)應(yīng)用的價值補償。</p><p> 焊接板式換熱器又分為：半焊接板式換熱器、全焊接板式換熱器、板殼式換熱器、釬焊板式換熱器。經(jīng)常用到的分類還有以下：1根據(jù)單位空間內(nèi)的換熱面積的多少，板式換熱器屬于緊湊式換熱器，主要是與管殼式換熱器進行比較，傳統(tǒng)的管殼式換熱器占地較大。2根據(jù)工藝用途，又有不同的叫法：板式加熱器、板式冷卻器、板式冷凝器、板式預(yù)熱器；3根據(jù)流程組合，分為單程板式換熱器和多程板式換熱器。4根據(jù)兩種介質(zhì)的流動方向，分為順流（并流）板式換熱器、逆流板式換熱器、交叉流（橫流）板式換熱器，后兩者用的比較多；5按照流道的間隙大小，分為常規(guī)間隙板式換熱器和寬間隙板式換熱器；6按照波紋，板式換熱器有更詳細的分別，不再累述，請參考：板式換熱器板片波紋形式。7按照是否是成套產(chǎn)品，可分為單機板式換熱器、板式換熱器機組。板式換熱器選型計算編輯板型選擇板片型式或波紋式應(yīng)根據(jù)換熱場合的實際需要而定。對流量大允許壓降小的情況，應(yīng)選用阻力小的板型，反之選用阻力大的板型。根據(jù)流體壓力和溫度的情況，確定選擇可拆卸式，還是釬焊式。確定板型時不宜選擇單板面積太小的板片，以免板片數(shù)量過多，板間流速偏小，傳熱系數(shù)過低，對較大的換熱器更應(yīng)注意這個問題。板式空氣預(yù)熱器是一種化工行業(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="福建化工空氣預(yù)熱器,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220410559414062/9489232.jpg"></div><p> 通過調(diào)節(jié)固定在頂部結(jié)構(gòu)上的螺栓和支臂的相對位置來改變轉(zhuǎn)子頂部軸承中心的位置，從而達到調(diào)整轉(zhuǎn)子中心線位置的目的。頂部軸承支臂與頂部結(jié)構(gòu)用8個鎖緊螺栓和上下墊板定位固足，待頂部軸承位置**終調(diào)整就位后，即可將上述墊板與頂部結(jié)構(gòu)的翼板焊在一起。頂部軸承采用油浴潤滑，潤滑油等級與底部推力軸承相同。頂部軸承箱上有加油孔、注油器、油位計、呼吸器和放油塞。另外還設(shè)有用于安裝測溫元件的1/2”BSP螺紋孔。12、轉(zhuǎn)子密封系統(tǒng)空預(yù)器的密封系統(tǒng)由轉(zhuǎn)子徑向、軸向、環(huán)向以及轉(zhuǎn)子中心筒密封組成。13、徑向密封徑向密封片安裝在轉(zhuǎn)子徑向隔板的上、下緣。密封片由，與6mm厚的低碳鋼壓板一起通過自鎖螺母固定在轉(zhuǎn)子隔板上。所有密封片均設(shè)計呈單片直葉型．徑向密封片用來減小空氣到煙氣的直接漏風(fēng)。14、軸向密封軸向密封片和徑向密封片一起，用于減小轉(zhuǎn)子和密封擋板之間的間隙。軸向密封片由，安裝在轉(zhuǎn)子徑向隔板的垂直外緣處，其冷態(tài)位置的設(shè)定應(yīng)保證鍋爐帶負荷運行以及停爐時無冷風(fēng)時與軸向密封板之間保持**小的密封間隙。軸向密封的固定方式與徑向密封片相同。軸向密封片供貨時兩端均留有修整余量，現(xiàn)場可根據(jù)轉(zhuǎn)子外緣角鋼**終的實際位置進行栽切。板式空氣預(yù)熱器是上海板換機械設(shè)備有限公司主要產(chǎn)品之一。遼寧小型空氣預(yù)熱器</p><p style="text-indent:25px">板式空氣預(yù)熱器使用在裂解爐。福建化工空氣預(yù)熱器</p><p> 1防止空預(yù)器堵灰、腐蝕措施適應(yīng)范圍：空預(yù)器堵灰、腐蝕嚴(yán)重的鍋爐技術(shù)原理與要點：空預(yù)器綜合冷端溫度（空預(yù)器進口空氣溫度與煙氣出口平均溫度之和）對冷端結(jié)露和腐蝕、堵灰影響較大。空預(yù)器出口綜合冷端溫度如低于酸**溫度，空預(yù)器冷端很快就會積灰，一周內(nèi)就形成極難去除的板結(jié)垢。冷端溫度目標(biāo)值應(yīng)根據(jù)“綜合冷端溫度與燃料含硫量變化曲線”確定，并根據(jù)燃用煤種性質(zhì)進行修正，除收到基全硫（St,ar）＜，燃用其他煤種原則上不要低于130℃。煙氣酸**主要受燃煤中的硫分、灰分、灰成分（特別是灰中Ca含量）、水分和發(fā)熱量的影響，灰分和灰中Ca含量越高，酸**越低；硫分和水分越高，酸**越高。由于不同酸**計算經(jīng)驗公式計算出的數(shù)值偏差較大，對燃用煤種相對穩(wěn)定的鍋爐，應(yīng)通過調(diào)整冷端溫度觀察空預(yù)器差壓變化趨勢等方法，確定該煤種對應(yīng)的目標(biāo)綜合溫度控制值，并根據(jù)空預(yù)器煙氣側(cè)差壓變化情況及時提高空預(yù)器冷端溫度控制值。為提高控制精度和減輕運行人員調(diào)整工作量，空預(yù)器綜合冷端溫度控制目標(biāo)值建議通過原煙氣SO2濃度、燃煤量、煙氣量等參數(shù)實時計算并參與自動調(diào)節(jié)。機組啟/停階段要注重冷端溫度控制。福建化工空氣預(yù)熱器</p><p style="text-indent:25px">上海板換機械設(shè)備有限公司坐落在山陽鎮(zhèn)山寧路99號，是一家專業(yè)的化工設(shè)備、環(huán)保設(shè)備及配件的制造加工及銷售，機械設(shè)備設(shè)計安裝（除特種設(shè)備外），在金山區(qū)山陽鎮(zhèn)山寧路99號內(nèi)從事自有房屋租賃?！疽婪毥?jīng)批準(zhǔn)的項目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動】。主要生產(chǎn)制造的產(chǎn)品包括可拆卸板式熱交換器、寬通道全焊接板式熱交換器、煙氣冷凝器、板式空氣預(yù)熱器、TP焊接換熱器、板框式熱交換器等。公司。目前我公司在職員工達到101~300人人，是一個有活力有能力有創(chuàng)新精神的高效團隊。上海板換機械設(shè)備有限公司主營業(yè)務(wù)涵蓋[ "板式換熱器機組", "可拆式板式換熱器", "焊接式板式換熱器", "板式空氣預(yù)熱器" ]，堅持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。公司力求給客戶提供***質(zhì)量服務(wù)，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經(jīng)過幾年的發(fā)展，已成為[ "板式換熱器機組", "可拆式板式換熱器", "焊接式板式換熱器", "板式空氣預(yù)熱器" ]行業(yè)**企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/278088.html</p></div></div></div></div></div><div id="pew38ho" class="page-right twoColRt"><div id="bgn2rdf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bgdfxm3" class="recomPic likePro"><a 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