北京汽輪機(jī)有幾種客戶至上上海含商建設(shè)工程供應(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="汽輪機(jī)裝置的熱經(jīng)濟(jì)性用汽輪機(jī)熱耗率或熱效率表示。汽輪機(jī)熱耗率是每輸出單位機(jī)械功所消耗的蒸汽熱量，熱效率是輸出機(jī)械功與所耗蒸汽熱量之比。對(duì)于整個(gè)電站，還需考慮鍋爐效率和廠內(nèi)用電。因此，電站熱耗率比單獨(dú)汽輪機(jī)的熱耗率高，電站熱效率比單獨(dú)汽輪機(jī)的"><meta name="keywords" content="北京汽輪機(jī)有幾種,汽輪機(jī)"><link rel="canonical" href="http://m.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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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>北京汽輪機(jī)有幾種,汽輪機(jī)</p><p><span>***更新：</span>2020-12-17 03:20:17</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="m88ew7m" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海含商建設(shè)工程有限公司</a></p><p><span>聯(lián)系人：</span>朱瑩</p><p><span>郵箱: </span>Irene_zy516@163.com</p><p><span>電話: </span>13918191286</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://shhanshang.shop.88360.com</p><p><span>手機(jī): </span>021-58210069</p><p><span>地址: </span>上海市崇明區(qū)新河鎮(zhèn)新申路921弄2號(hào)L區(qū)228室(上海富盛經(jīng)濟(jì)開發(fā)區(qū))</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="kyk3d2z" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="k3u98jg" class="box"><p><p style="text-indent:25px">汽輪機(jī)裝置的熱經(jīng)濟(jì)性用汽輪機(jī)熱耗率或熱效率表示。汽輪機(jī)熱耗率是每輸出單位機(jī)械功所消耗的蒸汽熱量，熱效率是輸出機(jī)械功與所耗蒸汽熱量之比。對(duì)于整個(gè)電站，還需考慮鍋爐效率和廠內(nèi)用電。因此，電站熱耗率比單獨(dú)汽輪機(jī)的熱耗率高，電站熱效率比單獨(dú)汽輪機(jī)的熱效率低。一座汽輪發(fā)電機(jī)總功率為1000兆瓦的電站，每年約需耗用標(biāo)準(zhǔn)煤230萬噸。如果熱效率相對(duì)值能提高1%，每年可節(jié)約標(biāo)準(zhǔn)煤 6萬噸，北京汽輪機(jī)有幾種。因此，汽輪機(jī)裝置的熱效率一直受到重視，北京汽輪機(jī)有幾種。為了提高汽輪機(jī)熱效率，除了不斷改進(jìn)汽輪機(jī)本身的效率，包括改進(jìn)各級(jí)葉片的葉型設(shè)計(jì)(以減少流動(dòng)損失)和降低閥門及進(jìn)排汽管損失以外，北京汽輪機(jī)有幾種，還可從熱力學(xué)觀點(diǎn)出發(fā)采取措施。等截面直葉片：斷面型線和面積沿葉高是相同的，加工方便，制造成本較低，有利于部分級(jí)實(shí)現(xiàn)葉型通用等優(yōu)點(diǎn)。北京汽輪機(jī)有幾種</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京汽輪機(jī)有幾種,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580752774052/7710846.png"></div><p style="text-indent:25px">汽輪機(jī)按熱力特性：有凝汽式、供熱式、背壓式、抽汽式和飽和蒸汽汽輪機(jī)等類型。凝汽式汽輪機(jī)排出的蒸汽流入凝汽器，排汽壓力低于大氣壓力，因此具有良好的熱力性能，是較為常用的一種汽輪機(jī)；供熱式汽輪機(jī)既提供動(dòng)力驅(qū)動(dòng)發(fā)電機(jī)或其他機(jī)械，又提供生產(chǎn)或生活用熱，具有較高的熱能利用率；背壓式汽輪機(jī)的排汽壓力大于大氣壓力的汽輪機(jī)；抽汽式汽輪機(jī)是能從中間級(jí)抽出蒸汽供熱的汽輪機(jī)；飽和蒸汽輪機(jī)是以飽和狀態(tài)的蒸汽作為新蒸汽的汽輪機(jī)。重慶大型抽汽背壓式汽輪機(jī)蒸汽在噴嘴中膨脹后的動(dòng)能在幾列動(dòng)葉上加以利用的速度級(jí)汽輪機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京汽輪機(jī)有幾種,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580860674475/2922485.png"></div><p style="text-indent:25px">汽輪機(jī)通流部分效率和蒸汽動(dòng)力循環(huán)汽耗率高，則熱耗率低。通流部分效率：通流部分效率取決于它的設(shè)計(jì)、制造、安裝水平，取決于汽輪機(jī)高壓缸、中壓缸、低壓缸效率以及高壓配汽機(jī)構(gòu)的節(jié)流損失。蒸汽動(dòng)力循環(huán)汽耗率效率：蒸汽動(dòng)力循環(huán)汽耗率取決于循環(huán)形式與蒸汽初參數(shù)和蒸汽終參數(shù)。熱力系統(tǒng)嚴(yán)密性：熱力系統(tǒng)嚴(yán)密性差，存在內(nèi)外漏現(xiàn)象，汽輪機(jī)熱耗率上升。降低汽耗率的措施：提高汽耗率管理措施。提高汽輪機(jī)通流部分效率。提高再熱循環(huán)效率，加強(qiáng)運(yùn)行調(diào)整，提高再熱蒸汽溫度。</p><p style="text-indent:25px">汽輪機(jī)運(yùn)行中盡可能減少再熱器噴水減溫水量，提高給水回?zé)嵫h(huán)效率，加強(qiáng)設(shè)備維護(hù)和運(yùn)行調(diào)整，提高高加投入率和給水溫度。保持加熱器管子表面的清潔、旁路閥門的嚴(yán)密性，運(yùn)行中保持加熱器正常疏水水位，降低加熱器端差。保持熱力系統(tǒng)嚴(yán)密性，建立熱力系統(tǒng)查漏制度，及時(shí)消除疏放放水系統(tǒng)、旁路系統(tǒng)等內(nèi)外漏現(xiàn)象。因此要降低汽輪機(jī)汽耗率不僅要求采用新技術(shù)、新設(shè)備，更要加強(qiáng)機(jī)組運(yùn)行的科學(xué)管理，使其發(fā)揮較好的功效，延長使用時(shí)間，減少維修頻率。中低壓汽輪機(jī)的轉(zhuǎn)子和高壓汽輪機(jī)的低壓轉(zhuǎn)子常采用套裝結(jié)構(gòu)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京汽輪機(jī)有幾種,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580375088584/9128724.png"></div><p style="text-indent:25px">小功率汽輪機(jī)的類型有哪些：速度級(jí)沖動(dòng)級(jí)熔降比較大，為了充分使用蒸汽流出動(dòng)葉柵后的余速，可在噴嘴之后配置二列動(dòng)葉柵，在二列動(dòng)葉柵之間裝置一列固定的導(dǎo)向葉柵以改變汽流方向，使與下列動(dòng)葉柵進(jìn)汽方向相符，這樣構(gòu)成的級(jí)稱速度多級(jí)(簡稱速度級(jí))。常見為兩列動(dòng)葉柵的速度級(jí)，也稱柯蒂斯級(jí)，或稱復(fù)速級(jí)。這種級(jí)可承擔(dān)較大的熔降和具有較大的功率，但效率較低，小汽輪機(jī)常采用它作為調(diào)節(jié)級(jí)，以減少級(jí)數(shù)，簡化整體結(jié)構(gòu)。反動(dòng)級(jí)蒸汽在動(dòng)葉柵內(nèi)部不僅改變流動(dòng)方向，并膨脹加速，流出汽道時(shí)對(duì)動(dòng)葉柵附加一個(gè)與汽流方向相反的反作用力。蒸汽在靜葉和動(dòng)葉中都膨脹的反動(dòng)式汽輪機(jī)。汽輪機(jī)大修設(shè)備定制價(jià)格</p><p style="text-indent:25px">汽輪機(jī)汽缸上半可作為一個(gè)零件起吊。北京汽輪機(jī)有幾種</p><p style="text-indent:25px">1884年，英國制成一臺(tái)10馬力（7.35千瓦）的單級(jí)反動(dòng)式汽輪機(jī)。1910年，瑞典制成輻流的反動(dòng)式汽輪機(jī)。19世紀(jì)末，瑞典和英國分別創(chuàng)制了實(shí)用的汽輪機(jī)。1882年制成了一臺(tái)5馬力（3.67千瓦）的單級(jí)沖動(dòng)式汽輪機(jī)，解決了有關(guān)的噴嘴設(shè)計(jì)和強(qiáng)度設(shè)計(jì)問題。單級(jí)沖動(dòng)式汽輪機(jī)功率很小，已很少采用。20世紀(jì)初，法國拉托和瑞士佐萊分別制造了多級(jí)沖動(dòng)式汽輪機(jī)。多級(jí)結(jié)構(gòu)為增大汽輪機(jī)功率開拓了道路，已被普遍采用，機(jī)組功率不斷增大。帕森斯在1884年取得英國**，制成了一臺(tái)10馬力的多級(jí)反動(dòng)式汽輪機(jī)，這臺(tái)汽輪機(jī)的功率和效率在當(dāng)時(shí)都占前列地位。北京汽輪機(jī)有幾種</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司位于上海市崇明區(qū)新河鎮(zhèn)新申路921弄2號(hào)L區(qū)228室(上海富盛經(jīng)濟(jì)開發(fā)區(qū))。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下維修高壓主汽門、高壓調(diào)門，維修中壓主汽門、中壓調(diào)門，閥座的車削、堆焊、補(bǔ)焊，熱處理、研磨深受客戶的喜愛。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。上海含商建設(shè)憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: 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