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id="3subvxj" class="twoCol"><div id="7ogix88" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_gyrhyhw/">工業(yè)潤滑油</a>?<a href="http://www.cdcfah.com/cp/third-gyrhyhw_qilunjiyousd/">汽輪機油</a>?汽輪機大修設(shè)備供貨費用客戶至上上海含商建設(shè)工程供應(yīng)</p><div id="ih8e3tk" class="leftbox clearfix"><h1>汽輪機大修設(shè)備供貨費用客戶至上上海含商建設(shè)工程供應(yīng)</h1><div id="m87ns8w" class="proBig"><div id="jd7umdk" 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="3wy38h3" 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="y8o8b48" 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>汽輪機大修設(shè)備供貨費用,汽輪機</p><p><span>***更新：</span>2020-11-28 03:19:31</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="utfxeq3" 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: </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="2elneg8" class="page-proshow02"><p class="title">詳細說明</p><div id="waxugia" class="box"><p><p style="text-indent:25px">汽輪機抽真空后能夠提高蒸汽熱能利用效率，能夠提高冷凝液的質(zhì)量。沖轉(zhuǎn)時需很多的蒸汽量來克服軸承中的摩擦阻力和轉(zhuǎn)子慣性力，使葉片受到蒸汽沖擊力增大。由于汽缸內(nèi)有空氣存在，使未級長葉片鼓風(fēng)摩擦作用加劇引起排汽溫度升高。蒸汽流動是連續(xù)的、高速的，單位面積中能通過的流量大，因而能發(fā)出較大的功率，汽輪機大修設(shè)備供貨費用。大功率汽輪機可以采用較高的蒸汽壓力和溫度，故熱效率較高。由于凝結(jié)器內(nèi)存在空氣，使凝結(jié)器內(nèi)汽水熱交換減弱，引起排汽溫度升高，汽輪機大修設(shè)備供貨費用，汽輪機大修設(shè)備供貨費用，使汽缸金屬變形；凝結(jié)器銅管脹口松弛，造成漏水。供熱式汽輪機具有較高的熱能利用率。汽輪機大修設(shè)備供貨費用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汽輪機大修設(shè)備供貨費用,汽輪機" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580161602358/1561140.png"></div><p style="text-indent:25px">中國發(fā)展?fàn)顩r：中國汽輪機發(fā)展起步比較晚。1955年國內(nèi)汽輪機廠制造出一臺6MW汽輪機。1964年哈爾濱汽輪機廠一臺100MW機組在高井電廠投入運行；1972年一臺200MW汽輪機在朝陽電廠投入運行；1974年一臺300MW機組在望亭電廠投入運行。70年代進口了10臺200—320MW機組，分別安裝在了陡河、元寶山、大港、清河電廠。70年代末國產(chǎn)機組占到總?cè)萘?0%。各國都在進行大容量、高參數(shù)機組的開發(fā)和設(shè)計，如俄羅斯正在開發(fā)的2000MW汽輪機。日本正在開發(fā)一種新的合金材料，將使高中、低壓轉(zhuǎn)子一體化成為可能。重慶大型抽汽背壓式汽輪機配套設(shè)施：汽輪機通常在高溫高壓及高轉(zhuǎn)速的條件下工作，是一種較為精密的重型機械。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汽輪機大修設(shè)備供貨費用,汽輪機" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580709453873/6232293.png"></div><p style="text-indent:25px">什么是汽輪機的軸向位移？軸向位移，指的是轉(zhuǎn)子移動量。就是轉(zhuǎn)子推力盤在推力瓦之間的移動量。就是沿著軸的方向上的位移。軸向位移反映的是汽輪機轉(zhuǎn)動部分和靜止部分的相對位置，軸向位移變化，也是定子和轉(zhuǎn)子軸向相對位置發(fā)生了變化。全冷狀態(tài)下一般以轉(zhuǎn)子推力盤緊貼推力瓦為零位。向發(fā)電機為正，反之為負?？偽灰瓶赡懿辉谶@一個軸線上。徑向與軸向的區(qū)別：徑向：就是沿直徑或半徑的直線方向，或垂直于軸的直線方向。以某一點為中心點的切平面中，通過汽輪機該點的直線的方向。</p><p style="text-indent:25px">汽輪機與往復(fù)式蒸汽機相比，汽輪機中的蒸汽流動是連續(xù)的、高速的，單位面積中能通過的流量大，因而能發(fā)出較大的功率。大功率汽輪機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，汽輪機的發(fā)展就是在不斷提高安全可靠性、耐用性和保證運行方便的基礎(chǔ)上，增大單機功率和提高裝置的熱經(jīng)濟性。汽輪機的出現(xiàn)推動了電力工業(yè)的發(fā)展，到20世紀(jì)初，電站汽輪機單機功率已達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荷在20年代已接近1000兆瓦，如果單機功率只有10兆瓦，則需要裝機近百臺，因此20年代時單機功率就已增大到60兆瓦，30年代初又出現(xiàn)了165兆瓦和208兆瓦的汽輪機。汽輪機按熱力特性：有凝汽式、供熱式、背壓式、抽汽式和飽和蒸汽汽輪機等類型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="汽輪機大修設(shè)備供貨費用,汽輪機" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580375088584/9128724.png"></div><p style="text-indent:25px">汽輪機結(jié)構(gòu)部件由轉(zhuǎn)動部分和靜止部分兩個方面組成。轉(zhuǎn)子包括主軸、葉輪、動葉片和聯(lián)軸器等汽輪機。靜子包括進汽部分、汽缸、隔板和靜葉柵、汽封及軸承等。汽缸是汽輪機的外殼，其作用是將汽輪機的通流部分與大氣隔開，形成封閉的汽室，保證蒸汽在汽輪機內(nèi)部完成能量的轉(zhuǎn)換過程，汽缸內(nèi)安裝著噴嘴室、隔板、隔板套等零部件；汽缸外連接著進汽、排汽、抽汽等管道。汽缸的高、中壓段一般采用合金鋼或碳鋼鑄造結(jié)構(gòu)，低壓段可根據(jù)容量和結(jié)構(gòu)要求，采用鑄造結(jié)構(gòu)或由簡單鑄件、型鋼及鋼板焊接的焊接結(jié)構(gòu)。汽輪機高壓外缸由前后共四個貓爪支撐在前軸承箱上。武漢凝汽式汽輪機型號</p><p style="text-indent:25px">汽輪機低壓缸為反向分流式，每個低壓缸由一個外缸和兩個內(nèi)缸組成，全部由板件焊接而成。汽輪機大修設(shè)備供貨費用</p><p style="text-indent:25px">汽輪機螺栓緊固分為冷緊和熱緊，高壓大直徑的螺栓應(yīng)熱緊，中、低壓汽缸螺栓大多選用冷緊；回裝時，螺栓螺紋部分應(yīng)涂高溫防咬合劑(如二硫化鉬)。使用汽輪機必須了解的一些小知識，供熱用背壓式汽輪機的排汽壓力設(shè)計值視不同供熱目的而定；前置式汽輪機的背壓常大于2兆帕，視原有機組的蒸汽參數(shù)而定。排汽在供熱系統(tǒng)中被利用之后凝結(jié)為水，再由水泵送回鍋爐作為給水。一般供熱系統(tǒng)的凝結(jié)水不能全部回收，需要補充給水。背壓式汽輪機發(fā)電機組發(fā)出的電功率由熱負荷決定，因而不能同時滿足熱、電負荷的需要。汽輪機大修設(shè)備供貨費用</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司致力于機械及行業(yè)設(shè)備，以科技創(chuàng)新實現(xiàn)***管理的追求。上海含商建設(shè)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**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、補焊，熱處理、研磨。上海含商建設(shè)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。上海含商建設(shè)始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2173762.html</p></div></div></div></div></div><div id="xm2m8y4" class="page-right twoColRt"><div id="pyq2fz3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zobdkrt" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3pmtfby" class="recomPic likePro"><a 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