抽汽背壓汽輪機(jī) 歡迎來電上海含商建設(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)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，抽汽背壓汽輪機(jī)。按汽缸數(shù)目：可分為單缸汽輪機(jī)、雙缸汽輪機(jī)和多缸汽輪機(jī)。其他：另外還可按照蒸汽初壓（低壓、中壓、高壓、超高壓、亞臨界、超臨界、超超臨界）、排列方式（單軸、雙軸）等進(jìn)行"><meta name="keywords" content="抽汽背壓汽輪機(jī),汽輪機(jī)"><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" 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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>抽汽背壓汽輪機(jī),汽輪機(jī)</p><p><span>***更新：</span>2020-12-21 12:26:55</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="txfdbzx" 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="tpfvdjp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zxndtzx" class="box"><p><p style="text-indent:25px">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，抽汽背壓汽輪機(jī)。按汽缸數(shù)目：可分為單缸汽輪機(jī)、雙缸汽輪機(jī)和多缸汽輪機(jī)。其他：另外還可按照蒸汽初壓（低壓、中壓、高壓、超高壓、亞臨界、超臨界、超超臨界）、排列方式（單軸、雙軸）等進(jìn)行分類。配套設(shè)施：汽輪機(jī)通常在高溫高壓及高轉(zhuǎn)速的條件下工作，抽汽背壓汽輪機(jī)，是一種較為精密的重型機(jī)械，一般須與鍋爐（或其他蒸汽發(fā)生器），抽汽背壓汽輪機(jī)、發(fā)電機(jī)（或其他被驅(qū)動(dòng)機(jī)械）以及凝汽器、加熱器、泵等組成成套設(shè)備，一起協(xié)調(diào)配合工作。汽輪機(jī)中壓缸由中壓內(nèi)缸和中壓外缸組成。抽汽背壓汽輪機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="抽汽背壓汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580276690388/9513330.png"></div><p style="text-indent:25px">大型汽輪機(jī)組的研制是汽輪機(jī)未來發(fā)展的一個(gè)重要方向，這其中研制更長(zhǎng)的末級(jí)葉片，是進(jìn)一步發(fā)展大型汽輪機(jī)的一個(gè)關(guān)鍵；研究提高熱效率是汽輪機(jī)發(fā)展的另一方向，采用更高蒸汽參數(shù)和二次再熱，研制調(diào)峰機(jī)組，推廣供熱汽輪機(jī)的應(yīng)用則是這方面發(fā)展的重要趨勢(shì)?，F(xiàn)代核電站汽輪機(jī)的數(shù)量正在快速增加，因此研究適用于不同反應(yīng)堆型的、性能良好的汽輪機(jī)具有特別重要的意義。全世界利用地?zé)岬钠啓C(jī)的裝機(jī)容量，1983年已有3190兆瓦，不過對(duì)熔巖等深層更高溫度地?zé)豳Y源的利用尚待探索。西安小型背壓式汽輪機(jī)希羅記述的利用蒸汽反作用力而旋轉(zhuǎn)的汽轉(zhuǎn)球，又稱為風(fēng)神輪，是較早的反動(dòng)式汽輪機(jī)的雛形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="抽汽背壓汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580860674475/2922485.png"></div><p style="text-indent:25px">汽輪機(jī)檢修加工會(huì)遇到哪些難題呢?平時(shí)廠家在針對(duì)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(jì)的一款汽輪機(jī)，此臺(tái)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(zhǎng)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(duì)于加工及檢驗(yàn)測(cè)量是一個(gè)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(shí)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(zhǎng)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。</p><p style="text-indent:25px">汽輪機(jī)圍帶的作用：增加葉片剛性，改變?nèi)~片的自振頻率，以避開共振，從而提高了葉片的振動(dòng)安全性；減小汽流產(chǎn)生的彎應(yīng)力；可使葉片構(gòu)成封閉通道，并可裝置圍帶汽封，減小葉片頂部的漏氣損失。拉筋：拉筋的作用是增加葉片的剛性，以改善其振動(dòng)特性。但是拉筋增加了蒸汽流動(dòng)損失，同時(shí)拉筋還會(huì)削弱葉片的強(qiáng)度，因此在滿足了葉片振動(dòng)要求的情況下，應(yīng)盡量避免采用拉筋，有的長(zhǎng)葉片就設(shè)計(jì)成自由葉片。汽封轉(zhuǎn)子和靜體之間的間隙會(huì)導(dǎo)致漏汽，這不*會(huì)降低機(jī)組效率，還會(huì)影響機(jī)組安全運(yùn)行。套裝轉(zhuǎn)子在高溫下，葉輪與主軸易發(fā)生松動(dòng)。所以不宜作為高溫汽輪機(jī)的高壓轉(zhuǎn)子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="抽汽背壓汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580227325007/1765774.png"></div><p style="text-indent:25px">汽輪機(jī)氣缸變形的原因與汽缸壁及法蘭金屬的厚度和結(jié)構(gòu)尺寸有關(guān)，與啟停工況時(shí)投入法蘭、螺栓加熱的操作有關(guān)，與汽缸保溫情況也有一定的關(guān)系，還與制造過程有關(guān)。由于汽缸鑄造時(shí)的時(shí)效問題，以及復(fù)雜的受力情況，汽缸變形是不可避免的問題，通常會(huì)表現(xiàn)為汽缸出現(xiàn)內(nèi)張口或外張口的情況，而且低壓缸更容易出現(xiàn)這個(gè)問題。出現(xiàn)此問題后，應(yīng)避免采用開槽等破壞性的修復(fù)手法，西方國(guó)家應(yīng)用比較成熟的技術(shù)是采用德國(guó)西門子能源事業(yè)部采用的高溫平面密封劑修復(fù)技術(shù)對(duì)變形的結(jié)合面間隙進(jìn)行直接修復(fù)。配套設(shè)施：汽輪機(jī)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(jī)械。凝汽輪機(jī)供貨價(jià)格</p><p style="text-indent:25px">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)。抽汽背壓汽輪機(jī)</p><p style="text-indent:25px">汽輪機(jī)汽封按安裝位置的不同，分為通流部分汽封、隔板汽封、軸端汽封。軸承是汽輪機(jī)一個(gè)重要的組成部分，分為徑向支撐軸承和推力軸承兩種類型，它們用來承受轉(zhuǎn)子的全部重力并且確定轉(zhuǎn)子在汽缸中的正確位置。多油楔軸承（三油楔、四油楔）：輕載、耗功大，高速小機(jī)，圓軸承：可承重載，瓦溫高，橢圓軸承：可承重載，可傾瓦軸承：2、4、5、6瓦塊軸承，穩(wěn)定性好，承載范圍大，耗油量較大，推力軸承：1）固定瓦塊式：承載能力小，用于小機(jī)組。2）可傾瓦塊式：①密切爾式：瓦塊背面線接觸；②金斯伯里式：瓦塊背面點(diǎn)接觸。優(yōu)點(diǎn)：與往復(fù)式蒸汽機(jī)相比，汽輪機(jī)中的蒸汽流動(dòng)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。抽汽背壓汽輪機(jī)</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司坐落在上海市崇明區(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))，是一家專業(yè)的市政公用工程，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(xiǎn)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)。公司。目前我公司在職員工以90后為主，是一個(gè)有活力有能力有創(chuàng)新精神的團(tuán)隊(duì)。公司以誠(chéng)信為本，業(yè)務(wù)領(lǐng)域涵蓋維修高壓主汽門、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，我們本著對(duì)客戶負(fù)責(zé)，對(duì)員工負(fù)責(zé)，更是對(duì)公司發(fā)展負(fù)責(zé)的態(tài)度，爭(zhēng)取做到讓每位客戶滿意。公司力求給客戶提供全數(shù)良好服務(wù)，我們相信誠(chéng)實(shí)正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為維修高壓主汽門、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、研磨行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2493822.html</p></div></div></div></div></div><div id="hpvdbhf" class="page-right twoColRt"><div id="tjz9tfl" class="box01 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