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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>小汽輪機(jī)品牌規(guī)格,汽輪機(jī)</p><p><span>***更新：</span>2020-12-14 01:20:41</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="vjtf8bv" 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="3ahzl29" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="folnuwd" class="box"><p><p style="text-indent:25px">沖動式汽輪機(jī)蒸汽主要在靜葉中膨脹，小汽輪機(jī)品牌規(guī)格，在動葉中只有少量的膨脹。反動式汽輪機(jī)蒸汽在靜葉和動葉中膨脹，而且膨脹程度相同。由于反動級不能作成部分進(jìn)汽，因此第1級調(diào)節(jié)級通常采用單列沖動級或雙列速度級。如中國引進(jìn)美國西屋（WH）技術(shù)生產(chǎn)的300MW、600MW機(jī)組，小汽輪機(jī)品牌規(guī)格。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)。大機(jī)組普遍采用了高中壓合缸的雙層結(jié)構(gòu)，小汽輪機(jī)品牌規(guī)格，高中壓轉(zhuǎn)子采用一根轉(zhuǎn)子結(jié)構(gòu)，高、中、低壓轉(zhuǎn)子全部采用整鍛結(jié)構(gòu)，軸承較多地采用了可傾瓦結(jié)構(gòu)。汽輪機(jī)蒸汽在靜葉和動葉中都膨脹的反動式汽輪機(jī)。小汽輪機(jī)品牌規(guī)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="小汽輪機(jī)品牌規(guī)格,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580615440117/1707729.png"></div><p style="text-indent:25px">汽輪機(jī)常見故障：裂紋滲漏：汽輪機(jī)的油動機(jī)等液壓設(shè)備，在工作過程中承受較大的壓力及振動力。由于設(shè)備材質(zhì)為鑄鐵，鑄造過程中難免存在不易發(fā)現(xiàn)的鑄造缺陷，加上長時間滿負(fù)荷運(yùn)行，在殼體的薄弱部位極容易出現(xiàn)砂眼滲漏或裂紋滲漏，使設(shè)備無法正常工作，液壓油的泄漏同時給現(xiàn)場工作環(huán)境造成極大的安全隱患，嚴(yán)重威脅企業(yè)的安全連續(xù)化生產(chǎn)。在出現(xiàn)此類問題后，企業(yè)往往沒有及時有效的解決手段，由于鑄鐵的焊接性能非常差，加上液壓設(shè)備的密封性要求較高，傳統(tǒng)的焊補(bǔ)工藝根本無法實(shí)現(xiàn)修復(fù)。而現(xiàn)場一般沒有此類設(shè)備的備品備件，購買更換需要大量的停機(jī)時間。廣東汽輪機(jī)機(jī)械背壓式汽輪機(jī)的排汽壓力大于大氣壓力的汽輪機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="小汽輪機(jī)品牌規(guī)格,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580466397141/2626342.png"></div><p style="text-indent:25px">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?，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，不過對熔巖等深層更高溫度地?zé)豳Y源的利用尚待探索；利用太陽能的汽輪機(jī)電站已在建造，海洋溫差發(fā)電也在研究之中。所有這些新能源方面的汽輪機(jī)尚待繼續(xù)進(jìn)行試驗研究。</p><p style="text-indent:25px">保護(hù)接地：汽輪機(jī)保護(hù)接地常用于中性點(diǎn)不接地的低壓系統(tǒng)中。如果采用了保護(hù)接地，人觸及外殼時，人體電阻遠(yuǎn)大于接地電阻，通過人體的電流就很小，就不會發(fā)生觸電的危險。保護(hù)接零：保護(hù)接零常用于中性點(diǎn)接地的低壓系統(tǒng)中，它的作用是：當(dāng)汽輪機(jī)某一繞組的絕緣結(jié)構(gòu)已破壞而與外殼相接時，采用保護(hù)接零形成單相短路，電流可以迅速將這一相中的熔絲熔斷，外殼便不再帶電。對于中性點(diǎn)接地的系統(tǒng)，一相接地時，另兩相的對地電壓只接近于相電壓。汽輪機(jī)汽缸上半可作為一個零件起吊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="小汽輪機(jī)品牌規(guī)格,汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580709453873/6232293.png"></div><p style="text-indent:25px">背壓式汽輪機(jī)多采用噴嘴調(diào)節(jié)配汽方式，以保證在工況變動時效率改變不大。因背壓機(jī)常用于熱負(fù)荷較穩(wěn)定的場合，一般采用單列沖動級作為調(diào)節(jié)級。汽輪機(jī)檢修的注意事項：檢修前辦理工作票，督促汽機(jī)工程師對水、汽、油、電等各系統(tǒng)做好隔離措施，并檢查有無掛牌標(biāo)識。揭缸：揭缸前檢查有無按規(guī)定制作重大施工方案，方案制作是否完整、合格，另外還應(yīng)填寫危險施工作業(yè)票。有無制作作業(yè)技術(shù)交底指導(dǎo)書，對各參與揭缸人進(jìn)行交底并簽字確認(rèn)。檢查起重設(shè)備、工具：鋼絲繩有無老化、斷股、夾頭有無松動，是否達(dá)到安全系數(shù)。汽輪機(jī)結(jié)構(gòu)部件由轉(zhuǎn)動部分和靜止部分兩個方面組成。小汽輪機(jī)品牌規(guī)格</p><p style="text-indent:25px">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)。小汽輪機(jī)品牌規(guī)格</p><p style="text-indent:25px">凝汽式汽輪機(jī)可通過的大流量決定于末級葉片長度。由于葉片越大，離心力越大，這使它受到材料強(qiáng)度的受限。末級葉片長度可高達(dá)1000～1200毫米，葉片頂端可以允許圓周速度為550～650米/秒，單排汽口極限功率約為100～120兆瓦。低壓缸采用分流式結(jié)構(gòu)可提高單機(jī)功率。到80年代末，常規(guī)火電廠凝汽式單機(jī)功率，雙軸機(jī)組為1300兆瓦，單軸機(jī)組為800兆瓦。凝汽式機(jī)組設(shè)計為低轉(zhuǎn)速（1500或1800轉(zhuǎn)/分）時，可提高極限功率，但這又使汽輪機(jī)尺寸及材料消耗增加，因為汽輪機(jī)總重量與轉(zhuǎn)速的三次方成反比。小汽輪機(jī)品牌規(guī)格</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。公司目前擁有較多的高技術(shù)人才，以不斷增強(qiáng)企業(yè)重點(diǎn)競爭力，加快企業(yè)技術(shù)創(chuàng)新，實(shí)現(xiàn)穩(wěn)健生產(chǎn)經(jīng)營。公司以誠信為本，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，我們本著對客戶負(fù)責(zé)，對員工負(fù)責(zé)，更是對公司發(fā)展負(fù)責(zé)的態(tài)度，爭取做到讓每位客戶滿意。公司憑著雄厚的技術(shù)力量、飽滿的工作態(tài)度、扎實(shí)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/2391836.html</p></div></div></div></div></div><div id="oj7fhoa" class="page-right twoColRt"><div id="8y224da" class="box01 margin10 clearfix"><h3><a 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