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clearfix"><div id="gqkbfgs" class="twoCol"><div id="tnpgn2g" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_gyrhyhw/">工業(yè)潤滑油</a>?<a href="http://m.cdcfah.com/cp/third-gyrhyhw_qilunjiyousd/">汽輪機(jī)油</a>?湖南汽輪動力汽輪機(jī) 歡迎咨詢上海含商建設(shè)工程供應(yīng)</p><div id="oikrtc8" class="leftbox clearfix"><h1>湖南汽輪動力汽輪機(jī) 歡迎咨詢上海含商建設(shè)工程供應(yīng)</h1><div id="jxjqnen" class="proBig"><div id="q3wd7bn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580161602358/1561140.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ya8rnp3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580161602358/1561140.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q3k7dae" 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>湖南汽輪動力汽輪機(jī),汽輪機(jī)</p><p><span>***更新：</span>2020-12-30 06:20:25</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2gn8sul" 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="eik7ugx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zyf7vxo" class="box"><p><p style="text-indent:25px">汽輪機(jī)的排汽壓力越低，蒸汽循環(huán)的熱效率就越高。不過排汽壓力主要取決凝汽器的真空度，真空度又取決于冷卻水的溫度和抽真空的設(shè)備（通常稱為真空泵），湖南汽輪動力汽輪機(jī)，湖南汽輪動力汽輪機(jī)，如果采用過低的排汽壓力，就需要增大冷卻水流量、增大凝汽器冷卻水和冷卻介質(zhì)的換熱面、降低被使用的冷卻水的溫度和抽真空的設(shè)備，湖南汽輪動力汽輪機(jī)，較長的末級葉片，但同時真空太低又會導(dǎo)致汽輪機(jī)汽缸（低壓缸）的蒸汽流速加快，使汽輪機(jī)汽缸（低壓缸）差脹加劇，危及汽輪機(jī)安全運(yùn)轉(zhuǎn)。凝汽式汽輪機(jī)常用的排汽壓力為5~10千帕（一個標(biāo)準(zhǔn)大氣壓是101325帕斯卡）。船用汽輪機(jī)組為了減輕重量，減小尺寸，常用0.006～0.01兆帕的排汽壓力。汽輪機(jī)按用途：可分為為電站汽輪機(jī)、工業(yè)汽輪機(jī)、船用汽輪機(jī)等。湖南汽輪動力汽輪機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南汽輪動力汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580161602358/1561140.png"></div><p style="text-indent:25px">汽輪機(jī)也稱蒸汽透平發(fā)動機(jī)，是一種旋轉(zhuǎn)式蒸汽動力裝置，高溫高壓蒸汽穿過固定噴嘴成為加速的氣流后噴射到葉片上，使裝有葉片排的轉(zhuǎn)子旋轉(zhuǎn)，同時對外做功。汽輪機(jī)是現(xiàn)代火力發(fā)電廠的主要設(shè)備，也用于冶金工業(yè)、化學(xué)工業(yè)、艦船動力裝置中。汽輪機(jī)按照工作原理分為沖動式汽輪機(jī)和反動式汽輪機(jī)。汽輪機(jī)是一種以蒸汽為動力，并將蒸氣的熱能轉(zhuǎn)化為機(jī)械功的旋轉(zhuǎn)機(jī)械，是現(xiàn)代火力發(fā)電廠中應(yīng)用很普遍的原動機(jī)。汽輪機(jī)具有單機(jī)功率大、效率高、壽命長等優(yōu)點(diǎn)。重慶汽輪機(jī)廠商汽輪機(jī)剛性聯(lián)軸器：工作不需要潤滑，沒有噪聲。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南汽輪動力汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580329873773/4289546.png"></div><p style="text-indent:25px">汽輪機(jī)的接地方式有哪些？主要有以下三種接地方式：工作接地，工作接地是將中性點(diǎn)接地。目的是降低觸電電壓。汽輪機(jī)中性點(diǎn)不接地的系統(tǒng)；對于中性點(diǎn)接地的系統(tǒng)，觸電電壓就降到接近或等于相電壓。迅速切斷故障設(shè)備。中性點(diǎn)不接地的系統(tǒng)，一相接地時，由于導(dǎo)線和地面存在電容和絕緣電阻，可以構(gòu)成電流通路，接地電流很??；而對于中性點(diǎn)接地系統(tǒng)，當(dāng)一相接地后接地電流較大，保護(hù)裝置會迅速動作，斷開故障點(diǎn)。降低電氣設(shè)備對地的絕緣水平。在中性點(diǎn)不接地的系統(tǒng)中，一相接地時，會使另兩相的對地電壓升高到線電壓；</p><p style="text-indent:25px">汽輪機(jī)檢修加工會遇到哪些難題呢?平時廠家在針對汽輪機(jī)內(nèi)部結(jié)構(gòu)“口小肚子大”、加工空間小且軸承檔內(nèi)各尺寸精度要求高的問題：工件結(jié)構(gòu)，汽輪機(jī)為我公司設(shè)計的一款汽輪機(jī)，此臺汽輪機(jī)前汽缸為鑄件，前汽缸與前軸承座是通過下半的半圓坡口焊接連接，并且該工件總長有2m，內(nèi)徑小處*有φ 235mm，加工空間很小，而且軸承座各檔內(nèi)圓的尺寸精度要求很高，對于加工及檢驗測量是一個很大的挑戰(zhàn)。加工難點(diǎn)分析，在圖樣的消化過程中，我們發(fā)現(xiàn)了在汽輪機(jī)加工時可能出現(xiàn)的問題與難點(diǎn)如下：前汽缸與前軸承座通過下半的半圓坡口焊接連接，如何保障焊接精度？如何控制焊接變形量？前汽缸與前軸承座焊接完后整體工件長度有2m，其中前汽封小內(nèi)圓只有φ235mm，而軸承檔部分要將車刀穿過小內(nèi)圓來加工，軸承檔大內(nèi)圓為φ359mm，造成了“口小肚子大”的情況，而且軸承檔內(nèi)各尺寸精度要求很高，公差小處*為0.03mm。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="湖南汽輪動力汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580276690388/9513330.png"></div><p style="text-indent:25px">汽輪機(jī)按結(jié)構(gòu)：有單級汽輪機(jī)和多級汽輪機(jī)；各級裝在一個汽缸內(nèi)的單缸汽輪機(jī)，和各級分裝在幾個汽缸內(nèi)的多缸汽輪機(jī)；各級裝在一根軸上的單軸汽輪機(jī)，和各級裝在兩根平行軸上的雙軸汽輪機(jī)等。按工作原理：有蒸汽主要在各級噴嘴（或靜葉）中膨脹的沖動式汽輪機(jī)；蒸汽在靜葉和動葉中都膨脹的反動式汽輪機(jī)；以及蒸汽在噴嘴中膨脹后的動能在幾列動葉上加以利用的速度級汽輪機(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。由于冶金技術(shù)的不斷發(fā)展，使得汽輪機(jī)結(jié)構(gòu)也有了很大改進(jìn)。南昌純沖動式汽輪機(jī)</p><p style="text-indent:25px">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，有利于部分級實現(xiàn)葉型通用等優(yōu)點(diǎn)。湖南汽輪動力汽輪機(jī)</p><p style="text-indent:25px">大功率汽輪機(jī)可以采用較高的蒸汽壓力和溫度，故熱效率較高。19世紀(jì)以來，汽輪機(jī)的發(fā)展就是在不斷提高安全可靠性、耐用性和保證運(yùn)行方便的基礎(chǔ)上，增大單機(jī)功率和提高裝置的熱經(jīng)濟(jì)性。發(fā)展前景：汽輪機(jī)的出現(xiàn)推動了電力工業(yè)的發(fā)展，到20世紀(jì)初，電站汽輪機(jī)單機(jī)功率已達(dá)10兆瓦。隨著電力應(yīng)用的日益普遍，美國紐約等大城市的電站尖峰負(fù)荷在20年代已接近1000兆瓦，如果單機(jī)功率只有10兆瓦，則需要裝機(jī)近百臺，因此20年代時單機(jī)功率就已增大到60兆瓦，30年代初又出現(xiàn)了165兆瓦和208兆瓦的汽輪機(jī)。湖南汽輪動力汽輪機(jī)</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司一直專注于市政公用工程，管道工程，機(jī)電設(shè)備安裝、維修（除特種設(shè)備），化工產(chǎn)品及原料（除危險化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、儀器儀表、五金交電、橡塑制品、建筑材料、裝潢材料、電子產(chǎn)品、日用百貨的銷售，機(jī)械設(shè)備技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)咨詢和技術(shù)服務(wù)。，是一家機(jī)械及行業(yè)設(shè)備的企業(yè)，擁有自己**的技術(shù)體系。目前我公司在職員工以90后為主，是一個有活力有能力有創(chuàng)新精神的團(tuán)隊。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的維修高壓主汽門、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。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實的工作作風(fēng)、良好的職業(yè)道德，樹立了良好的維修高壓主汽門、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、研磨形象，贏得了社會各界的信任和認(rèn)可。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2626071.html</p></div></div></div></div></div><div id="fevhykw" class="page-right twoColRt"><div id="hwtam78" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lpm88iu" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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