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src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580276690388/9513330.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="rlxpmtq" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580276690388/9513330.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bl7l7bd" 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>天津純凝汽汽輪機(jī),汽輪機(jī)</p><p><span>***更新：</span>2020-12-19 13:23:01</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="mgya7by" 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(kāi)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="blipmyv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="d8nkceq" class="box"><p><p style="text-indent:25px">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(guò)對(duì)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(yáng)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(yàn)就、研究。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(wàn)噸。如果熱效率相對(duì)值能提高1%，天津純凝汽汽輪機(jī)，天津純凝汽汽輪機(jī)，每年可節(jié)約標(biāo)準(zhǔn)煤 6萬(wàn)噸。因此，汽輪機(jī)裝置的熱效率一直受到重視，天津純凝汽汽輪機(jī)。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(mén)及進(jìn)排汽管損失以外，還可從熱力學(xué)觀點(diǎn)出發(fā)采取措施。來(lái)自鍋爐的蒸汽進(jìn)入汽輪機(jī)后，依次經(jīng)過(guò)環(huán)形配置的噴嘴和動(dòng)葉，將蒸汽的熱能轉(zhuǎn)化為汽輪機(jī)轉(zhuǎn)子旋轉(zhuǎn)的機(jī)械能。天津純凝汽汽輪機(jī)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津純凝汽汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580276690388/9513330.png"></div><p style="text-indent:25px">因?yàn)榻?jīng)濟(jì)衰退和第二次世界大戰(zhàn)期間爆發(fā)，使汽輪機(jī)單機(jī)功率的增大處于停頓狀態(tài)。50年代，隨著戰(zhàn)后經(jīng)濟(jì)發(fā)展，電力需求突飛猛進(jìn)，單機(jī)功率又開(kāi)始不斷增大，陸續(xù)出現(xiàn)了325～600兆瓦的大型汽輪機(jī)；60年代制成了1000兆瓦汽輪機(jī)；70年代，制成了1300兆瓦汽輪機(jī)。許多國(guó)家常用的單機(jī)功率為300～600兆瓦。汽輪機(jī)在社會(huì)經(jīng)濟(jì)的各部門(mén)中都有普遍的應(yīng)用。汽輪機(jī)種類(lèi)很多，并有不同的分類(lèi)方法。汽輪機(jī)的蒸汽從進(jìn)口膨脹到出口，單位質(zhì)量蒸汽的容積增大幾百倍，甚至上千倍，因此各級(jí)葉片高度必須逐級(jí)加長(zhǎng)。汽輪機(jī)廠家汽輪機(jī)轉(zhuǎn)子包括主軸、葉輪、動(dòng)葉片和聯(lián)軸器等汽輪機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津純凝汽汽輪機(jī),汽輪機(jī)" src="https://tyunfile.71360.com/UploadFile/shhanshang/637408580411445953/6771462.png"></div><p style="text-indent:25px">常見(jiàn)問(wèn)題：在汽輪機(jī)運(yùn)行過(guò)程中，汽輪機(jī)滲漏和汽缸變形是較為常見(jiàn)的設(shè)備問(wèn)題，汽缸結(jié)合面的嚴(yán)密性直接影響機(jī)組的安全經(jīng)濟(jì)運(yùn)行，檢修研刮汽缸的結(jié)合面，使其達(dá)到嚴(yán)密，是汽缸檢修的重要工作，在處理結(jié)合面漏汽的過(guò)程中，要仔細(xì)分析形成的原因，根據(jù)變形的程度和間隙的大小，可以綜合的運(yùn)用各種方法，以達(dá)到結(jié)合面嚴(yán)密的要求。汽缸漏氣原因：汽缸是鑄造而成的，汽缸出廠后都要經(jīng)過(guò)時(shí)效處理，就是要存放一些時(shí)間，使汽缸在住鑄造過(guò)程中所產(chǎn)生的內(nèi)應(yīng)力完全消除。</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(lèi)型，它們用來(lái)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(guò)的流量大，因而能發(fā)出較大的功率。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津純凝汽汽輪機(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)常用的冷卻方式有空氣冷卻、水冷卻和氫氣冷卻。由于氫氣熱傳導(dǎo)率是空氣的7倍，氫氣冷卻效率較空冷和水冷都高，所以會(huì)用氫氣冷卻汽輪機(jī)。因此，如果說(shuō)給汽輪機(jī)選擇冷卻方式的話，可以用氫氣冷卻這種方式進(jìn)行冷卻。使用這種冷卻方式不會(huì)傷害到設(shè)備，而且冷卻速率高。能量損失較少。汽輪機(jī)在使用過(guò)程中，因?yàn)楫a(chǎn)生的能量很高加上幾乎無(wú)熱量散失的情況，所以說(shuō)如果使用它發(fā)電的話可以說(shuō)發(fā)電量會(huì)更高一些，所產(chǎn)生的能量也更大一些。我們還要隨時(shí)警惕汽耗率是否下降，因?yàn)槠穆氏陆禃?huì)影響設(shè)備的正常使用：影響汽輪機(jī)汽耗率的因素主要由兩部分構(gòu)成：通流部分效率與蒸汽動(dòng)力循環(huán)汽耗率效率。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)。汽輪機(jī)廠家</p><p style="text-indent:25px">亞臨界壓力汽輪機(jī)：主蒸汽壓力在15.69—17.65Mpa。天津純凝汽汽輪機(jī)</p><p style="text-indent:25px">通過(guò)先開(kāi)旁壓的方法，使汽輪機(jī)的壓力達(dá)到一定程度后，然后在開(kāi)啟真空破壞門(mén)使汽輪機(jī)的真空壓力達(dá)標(biāo)，這樣可使進(jìn)入汽輪機(jī)的蒸汽量增大，縮短汽輪機(jī)的暖機(jī)時(shí)間，更好地控制膨脹差值，把并網(wǎng)時(shí)間較大縮短。讓汽輪機(jī)采用定、滑、定的方式運(yùn)行，這樣不但讓低負(fù)荷狀態(tài)下鍋爐內(nèi)的水良好循環(huán)，還能提高燃料的燃燒效率，通過(guò)對(duì)液耦水泵轉(zhuǎn)速的控制，可使機(jī)組的運(yùn)行效率得到良好保持。提高機(jī)組的運(yùn)行效率。采用定、滑、定的模式啟動(dòng)，可使負(fù)荷變化的不穩(wěn)定狀態(tài)得到很好滿(mǎn)足，進(jìn)而對(duì)機(jī)組的一次性調(diào)頻需求進(jìn)行控制，使只有單個(gè)汽門(mén)調(diào)節(jié)的主汽壓力損失減少，提高主汽的加熱效率。天津純凝汽汽輪機(jī)</p><p style="text-indent:25px">上海含商建設(shè)工程有限公司屬于機(jī)械及行業(yè)設(shè)備的高新企業(yè)，技術(shù)力量雄厚。公司是一家有限責(zé)任公司（自然）企業(yè)，以誠(chéng)信務(wù)實(shí)的創(chuàng)業(yè)精神、專(zhuān)業(yè)的管理團(tuán)隊(duì)、踏實(shí)的職工隊(duì)伍，努力為廣大用戶(hù)提供***的產(chǎn)品。公司擁有專(zhuān)業(yè)的技術(shù)團(tuán)隊(duì)，具有維修高壓主汽門(mén)、高壓調(diào)門(mén)，維修中壓主汽門(mén)、中壓調(diào)門(mén)，閥座的車(chē)削、堆焊、補(bǔ)焊，熱處理、研磨等多項(xiàng)業(yè)務(wù)。上海含商建設(shè)自成立以來(lái)，一直堅(jiān)持走正規(guī)化、專(zhuān)業(yè)化路線，得到了廣大客戶(hù)及社會(huì)各界的普遍認(rèn)可與大力支持。</p></p><br 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