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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江清洗方便空氣預(yù)熱器制造公司,空氣預(yù)熱器</p><p><span>***更新：</span>2021-01-24 11:07:50</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="3q8i2qs" 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="xgikm3h" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dhjbsug" class="box"><p><p style="text-indent:25px"> 隨國(guó)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，浙江清洗方便空氣預(yù)熱器制造公司，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(shuō)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，浙江清洗方便空氣預(yù)熱器制造公司，且結(jié)晶物較為堅(jiān)硬，浙江清洗方便空氣預(yù)熱器制造公司。空預(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)熱器適合安裝空間有限的改造項(xiàng)目。浙江清洗方便空氣預(yù)熱器制造公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江清洗方便空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405031093750/2889219.jpg"></div><p style="text-indent:25px"> 空氣預(yù)熱器就是鍋爐尾部煙道中的煙氣通過(guò)內(nèi)部的散熱片將進(jìn)入鍋爐前的空氣預(yù)熱到一定溫度的受熱面，是一種用于提高鍋爐的熱交換性能，降低能量消耗的設(shè)備。空氣預(yù)熱器一般分為板式、回轉(zhuǎn)式和管式三種。以回轉(zhuǎn)式為例介紹了空氣預(yù)熱器的工作原理。大量未燃盡的可燃物會(huì)沉積在傳熱元件上可能空預(yù)器著火，因此對(duì)其著火原因進(jìn)行了分析，并著火原因及應(yīng)對(duì)措施進(jìn)行了詳細(xì)說(shuō)明；還詳細(xì)介紹了掉閘分析以及漏風(fēng)治理。多用于燃煤電站鍋爐?？煞譃楣芟涫?、回轉(zhuǎn)式兩種，其中回轉(zhuǎn)式又分為風(fēng)罩回轉(zhuǎn)式和受熱面回轉(zhuǎn)式兩種。電站鍋爐較常采用受熱面回轉(zhuǎn)式預(yù)熱器。在鍋爐中的應(yīng)用一般為兩分倉(cāng)、三分倉(cāng)、四分倉(cāng)式，其中四分倉(cāng)較常用于循環(huán)流化床鍋爐中。浙江清洗方便空氣預(yù)熱器制造公司板式空氣預(yù)熱器每個(gè)模塊均自帶外框架。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江清洗方便空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220405039599609/9723902.jpg"></div><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(jìn)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(dòng)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(xì)的分別，不再累述，請(qǐng)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(jī)板式換熱器、板式換熱器機(jī)組。板式換熱器選型計(jì)算編輯板型選擇板片型式或波紋式應(yīng)根據(jù)換熱場(chǎng)合的實(shí)際需要而定。對(duì)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(shí)不宜選擇單板面積太小的板片，以免板片數(shù)量過(guò)多，板間流速偏小，傳熱系數(shù)過(guò)低，對(duì)較大的換熱器更應(yīng)注意這個(gè)問(wèn)題。 </p><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(shí)間。隨著循環(huán)的進(jìn)展和沉積物的溶解，反應(yīng)時(shí)產(chǎn)生的氣體也會(huì)增多，應(yīng)隨時(shí)通過(guò)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(huì)增大，可加入適當(dāng)?shù)乃?，不要一開(kāi)始就注入大量的水，可能會(huì)造成水的溢出。7．循環(huán)中要定時(shí)檢查清洗劑的有效性?？梢允褂肞H試紙測(cè)定。如果溶液保持在PH值2‐3時(shí)，那么清洗劑仍然有效。如果清洗劑的PH值達(dá)到5‐6時(shí)，需要再添加適量清洗劑。**終溶液的PH值在2‐3時(shí)保持30分鐘沒(méi)有明顯變化，證明達(dá)到了清洗效果。注意：清洗劑可以回收后重復(fù)使用，排放會(huì)造成浪費(fèi)。8．達(dá)到清洗時(shí)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(cè)定PH值6~7。9．完成清洗后既可開(kāi)機(jī)運(yùn)行。也可以打壓試驗(yàn)，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(jìn)行修復(fù)保護(hù)。并且可以**延長(zhǎng)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(guò)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(jì)算出該企業(yè)每個(gè)小時(shí)所節(jié)省的電費(fèi)、煤費(fèi)等生產(chǎn)費(fèi)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(jià)值補(bǔ)償。板式空氣預(yù)熱器使用在裂解爐。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江清洗方便空氣預(yù)熱器制造公司,空氣預(yù)熱器" src="http://tyunfile.71360.com/UploadFile/shbhjxsb/637220415160732422/6470394.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)。公司致力于為國(guó) 內(nèi)外石油/天然氣行業(yè)、船舶行業(yè)、暖通空調(diào)行業(yè)、化工行業(yè)、食品醫(yī)藥行業(yè)、電力行業(yè)、生物能源行業(yè)、冶金行業(yè)、機(jī)械制造行業(yè)、造紙行業(yè)等客戶提供***的板式熱交換設(shè)備。 </p> <p> 公司現(xiàn)有16大系列、20余品種的熱交換設(shè)備，主要產(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。公司立足上海，服務(wù)全球，在全球設(shè)立多處服務(wù)網(wǎng)絡(luò)，以滿足客戶需求。板式空氣預(yù)熱器占地面積小。浙江清洗方便空氣預(yù)熱器制造公司</p><p style="text-indent:25px">板式空氣預(yù)熱器是上海板換機(jī)械設(shè)備有限公司主要產(chǎn)品之一。浙江清洗方便空氣預(yù)熱器制造公司</p><p style="text-indent:25px"> 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)行換熱的設(shè)備。板式空氣預(yù)熱器的作用是使高溫?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。浙江清洗方便空氣預(yù)熱器制造公司</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2990400.html</p></div></div></div></div></div><div id="utkrtac" class="page-right twoColRt"><div id="gprjbia" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aph3jsi" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="r33aegi" 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