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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="ef7jedk" class="twoCol"><div id="nr7kr3x" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://m.cdcfah.com/cp/second-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://m.cdcfah.com/cp/third-jxjxysb_jsbwxazmh/">機械設備維修安裝</a>?北京噴焊熱噴涂歡迎咨詢上海茜萌噴涂科技供應</p><div id="xw2nkoq" class="leftbox clearfix"><h1>北京噴焊熱噴涂歡迎咨詢上海茜萌噴涂科技供應</h1><div id="8breq8u" class="proBig"><div id="8a784oi" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ximengpentu/637278141509335937/941124.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kels3yp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ximengpentu/637278141509335937/941124.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p3s9hjv" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>北京噴焊熱噴涂</p><p><span>***更新：</span>2020-06-20 16:29:57</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="x8r9wog" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海茜萌噴涂科技有限公司</a></p><p><span>聯(lián)系人：</span>張小娥</p><p><span>郵箱: </span>627947031@qq.com</p><p><span>電話: </span>17751661524</p><p><span>傳真: </span>0519_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0519-59128888</p><p><span>地址: </span>江蘇省常州市武進區(qū)洛陽鎮(zhèn)馬鞍墩路51號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3lk28gn" class="page-proshow02"><p class="title">詳細說明</p><div id="clnpo9b" class="box"><p><p> 熱噴涂技術在火電廠其他設備、設施上的應用：電廠汽缸缸體與缸蓋因變形常發(fā)生蒸汽泄漏，而一旦發(fā)生蒸汽泄漏，其接合處便會加快沖蝕損壞，使汽輪機無法正常運行。國內(nèi)外多數(shù)電廠目前均采用熱噴涂技術或電刷鍍技術來恢復汽缸密封面，其中熱噴涂法是恢復汽缸密封面行之有效的方法。電廠許多室外鋼結構件，如室外管道、送變電設施等，長期暴露在工業(yè)大氣中，日曬雨淋。傳統(tǒng)的油漆防護法和熱浸鍍鋅雖一次投資較省，但防護周期短(特別是油漆防護)，涂層維護和更新頻繁，從長期防護成本角度看，反而不及長效的熱噴涂鋅，北京噴焊熱噴涂、鋁涂層。熱噴涂鋅涂層的防護周期可達30年，熱噴涂鋁涂層的防護期可達50年。國外從20世紀20～30年代開始就將熱噴涂技術用于室外鋼結構件的長效防腐。如美國格蘭維奇市天然氣化工廠的一座鋼結構凈化裝置，在表面熱噴涂0.13mm厚的鋁涂層，投入使用30年后仍完好無損。大量的工程應用表明，熱噴涂鋅、鋁防護涂層與重防蝕涂裝、常規(guī)防蝕涂裝投資比例為3.1∶1.9∶1.2,但壽命比為10∶4∶2.9,按20年期計算，其總投資比為5∶7∶10，北京噴焊熱噴涂,因此，對室外鍋結構件的防護，北京噴焊熱噴涂，**理想的方案應是熱噴涂長效鋅、鋁涂層。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京噴焊熱噴涂" src="https://tyunfile.71360.com/UploadFile/ximengpentu/637278141509335937/941124.png"></div><p> 等離子噴涂時采用剛性非轉移型等離子弧為熱源，以噴涂粉末材料為主的熱噴涂方法。產(chǎn)生等離子弧的設備是等離子噴嗆，它由鎢電極、前嗆體、后嗆體、送粉器、工作氣體和氣管、電源和控制器等部分組成。進行噴涂時，噴嗆的鎢電極和噴嘴分別接電源的負極和正極，工作氣體經(jīng)進氣管進入噴嗆，在弧柱區(qū)發(fā)生電離而形成等離子體。但是，前嗆體和鎢電極之間是有一段距離隔開的，故電源的空載電壓加上后并不能立即產(chǎn)生電弧，而是要在前嗆體和后嗆體之間并聯(lián)一個高頻電源，接通后在鎢電極與前嗆體發(fā)生火花放電，才能引燃電弧。電弧引燃后，再把高頻電路切斷。工作氣體在引燃后電弧的弧柱區(qū)被加熱到高溫而發(fā)生電離，形成等離子體；同時電弧收到壓縮作用，溫度升高，噴射速度增大，形成高溫高速等離子射流從噴嘴噴出。此時從送粉管送入粉狀噴涂材料，使其在等離子焰流中被加熱到熔融或半熔融狀態(tài)，并被加速而向經(jīng)預處理的工件表面噴射和撞擊，發(fā)生流散、變形和凝固，沉積于工件表面而形成涂層。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京噴焊熱噴涂" src="https://tyunfile.71360.com/UploadFile/ximengpentu/637278148451718750/6750438.png"></div><p style="text-indent:25px">熱噴涂技術在往復壓縮機行業(yè)上的應用：曲軸是往復壓縮機的主要部件，常由于潤滑系統(tǒng)故障，致使主軸瓦及連桿瓦燒毀，對曲軸的軸徑和拐徑表面造成拉傷或燒傷，出現(xiàn)整圈的溝狀劃痕或裂紋，燒傷嚴重就會出現(xiàn)龜裂狀遍布整個徑面的微小裂紋。將表面的劃痕和裂紋磨削處理去掉后，探傷檢測后剩余軸徑盡管完好，尺寸卻小了很多，已不能繼續(xù)直接使用。針對曲軸這種損傷后常規(guī)的處理辦法是直接將軸徑的損傷磨掉，重新配加厚軸瓦。如果出現(xiàn)幾次磨損后，一是軸徑尺寸會越修越小，還會導致曲軸的安全系數(shù)不夠報廢；二是軸瓦的厚度尺寸就會出現(xiàn)很多種不利于壓縮機的維護和軸瓦的采購。針對這種情況，可采用電弧噴涂技術對損壞的曲軸進行修復。修復后恢復至曲軸原尺寸，保證了軸瓦的通用性，不用重新采購加厚瓦，且便于維護和采購管理。如果再次出現(xiàn)損傷后，可以將涂層磨去重新噴涂，保證曲軸的長期使用性。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/328421.html</p></div></div></div></div></div><div id="hwtasmt" class="page-right twoColRt"><div id="fpw3wsz" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="88uo8tp" class="recomPic likePro"><a href="http://m.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" class="vcenter" 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