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src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063514804687/2428573.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r8vikwd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063514804687/2428573.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k8uw3me" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>南寧神通博格曼機械密封169,神通博格曼機械密封</p><p><span>***更新：</span>2020-12-04 11:26:42</p><p><span id="click" >瀏覽次數：2次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="sr3ghj2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機械密封（張家港）有限公司</a></p><p><span>聯系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網址: </span>http://eaglebugmann.com</p><p><span>手機: </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="mqnubi2" class="page-proshow02"><p class="title">詳細說明</p><div id="fjwtvs2" class="box"><p><p> 安裝時應將密封及腔體擦洗干凈。4、緊固機械密封壓蓋時緊固螺栓應均勻受力，防止受力不均損壞機械密封。對于快裝式機械密封在整體組裝完畢后一定不要忘記將定位片徑向移動道遠離軸的位置固定。三．多級離心泵機械密封的檢查機械密封的工作原理要求機械密封內部無任何雜質。在組裝機械密封前要徹底清掃動環(huán)、靜環(huán)、軸套等部件。重點檢查：1、動靜環(huán)表面是否存在劃痕、裂紋等缺陷，這些缺陷存在會造成機械密封嚴重漏泄，南寧神通博格曼機械密封169。有條件的可以用**工具檢查密封面是否平整，密封面不平整，壓力水會進入組裝后機械密封的動靜環(huán)密封面，將動靜環(huán)分開，機械密封失效。必要時可以制作工裝在組裝前水壓試驗。2、檢查動靜環(huán)座是否存在影響密封的缺陷。如動靜環(huán)座與動靜環(huán)密封膠圈配合表面是否存在傷痕等缺陷。3，南寧神通博格曼機械密封169、檢查機械密封補償彈簧是否損壞及變形，倔強系數是否變化。4、檢查密封軸套是否存在毛刺、溝痕等缺陷，南寧神通博格曼機械密封169。5、清掃檢查所有密封膠圈是否存在裂紋、氣孔等缺陷，測量膠圈直徑是否在工差范圍內。6、具有泵送機構的機械密封還要檢查螺旋泵的螺旋線是否存在裂紋、斷線等缺陷。神通博格曼機械密封120。南寧神通博格曼機械密封169</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封169,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063514804687/2428573.png"></div><p> 機組正常運行時凝結水泵處于負壓環(huán)境運行，若凝結水泵需要隔離檢修或入口濾網需要清理時，一旦凝結水泵入口門隔離不嚴或操作順序不當則會有造成機組漏真空風險。因此凝結水泵隔離恢復時應嚴格按照操作順序，每一步操作都要觀察機組運行參數變化。2001年7月某電廠曾發(fā)生一起因凝泵檢修而導致機組掉真空跳機事件。2001年7月4日某電廠發(fā)生了一起因凝結水泵檢修而引起機組跳閘和一臺給水泵損壞的事故。當時2號機運行，因發(fā)現凝結水泵出力不足，負荷帶不起來，于是聯系檢修。檢修人員辦票清理B凝結水泵入口濾網。約半小時后，檢修人員將B凝結水泵入口濾網打開。這時運行人員發(fā)現機組真空急劇下降，A凝結水泵電流劇烈波動，除氧器水位下降，凝汽器水位上升。運行人員立即啟動備用射水泵以維持真空，并降負荷。約2min后真空降至kPa，但低真空保護沒有動作。此時運行人員意識到可能是凝結水泵檢修引起的，立即去緊B凝結水泵入口手動門并終止檢修工作，但效果不明顯，除氧器水位繼續(xù)下降，于是繼續(xù)大幅降負荷。約7min后，A給水泵電流開始波動，A給水泵汽蝕。4min后，停A給水泵，啟動B給水泵，B給水泵仍處于輕微汽蝕狀態(tài)中。此時運行人員意識到了關鍵所在。三門峽神通博格曼機械密封169神通博格曼機械密封103。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封169,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063544960937/2990497.png"></div><p> 一、汽輪機組輔機泵1、鍋爐給水泵由于鍋爐給水泵揚程很高，高達百米以上(大型給水泵可達千米)，因而機械密封的應力很大，在高壓高速水流沖刷下若仍采用普通的不銹鋼，浸蝕將非常嚴重，故機械密封要選用抗蝕、抗沖刷和機械性能良好的材料，如基礎框架采用316或316L精加工而成。摩擦副采用Tc/Tc，這種節(jié)段式泵的泵體結構簡單，但拆裝麻煩，檢修時間長，另外因為沿軸線水流對泵體四周的加熱不易均勻，所以需要較長的暖泵啟動時間。所用的機械密封要求壽命時間長，對介質溫度變化要求有適當的適應能力。主要注意的泵的汽蝕機械密封的影響。前置給水泵的轉速較高，為解決汽蝕問題一般都采用前置給水泵，以提高主給水泵進口壓力。前置給水泵密封形式和鍋爐給水泵的密封形式類似，都要考慮汽蝕對機械密封的影響。2、循環(huán)水泵循環(huán)水泵的功用是向汽輪機的凝汽器、冷油器和發(fā)電機的空氣(氫氣、水)冷卻器等供應冷卻水。發(fā)電廠冷卻水用量很大，但壓力一般不高，因此，對循環(huán)水泵的要求是大流量、低揚程，所用機械密封輔助常采用氟醚橡膠或硅橡膠。3、凝結水泵從結構上可以分為臥式、立式以及立式筒袋式多級凝結水泵。臥式凝結水泵適用于小容量機組。</p><p> 以及正確選擇潤滑、沖洗、保溫、冷卻等機械密封循環(huán)保護系統(tǒng)等。4.根據安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內裝式或外裝式。二、機械密封的安裝與使用要求1.機械密封對機器精度的要求(以泵用機械密封為例)(1)安裝機械密封部位的軸(或軸套)的徑向跳動公差不超過～。(2)轉子軸向竄動不超過。(3)密封腔體與密封端蓋結合的定位端面對軸(或軸套)表面的跳動公差不超過～。2.密封件的確認(1)確認所安裝的密封是否與要求的型號一致。(2)安裝前要仔細地與總裝圖對照，零件數量是否齊全。(3)采用并圈彈簧傳動的機械密封，其彈簧有左、右旋之分，須按轉軸的旋向來選擇。3.安裝安裝方法隨機械密封型式、機器的種類不同而有所不同，但其安裝要領幾乎都相同，安裝步驟和注意事項如下：(1)安裝尺寸的確定安裝時，應按產品的使用說明書或樣本，保證機械密封的安裝尺寸。(2)裝入前，軸(軸套)、壓蓋應無毛刺，軸承狀況良好;密封件、軸、密封腔、壓蓋都應該清洗干凈。為減少摩擦阻力，軸上安裝機械密封的部位要薄薄地涂上一層油，以進行潤滑，考慮到橡膠O形圈的相溶性，若不宜用油，可涂肥皂水。浮裝式靜環(huán)不帶防轉銷的結構，不宜涂油，應干式裝入壓蓋。。109神通博格曼機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南寧神通博格曼機械密封169,神通博格曼機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637342063367705078/3531735.png"></div><p> 檢查機械密封自循環(huán)水、水泵涵體、機械密封水管路、換熱器及機械密封水的冷卻水的暢通，溫度無異常變化，發(fā)現問題及時查明原因，并有針對性地解決。由于磁性過濾器堵塞對機械密封的正常運行使用危害很大，因此要定期檢查清洗，發(fā)現元件損壞及時更換;應保持機械密封水一路磁性濾網運行，另一路備用，定期切換使用，以保證其正常的運行狀態(tài)。定期清理工作結束，應在進行注水排空氣后，再將磁性過濾器投入備用狀態(tài)。機械密封水系統(tǒng)的排氣管必須在高于換熱器機械密封水出口管路上加裝，正常運行前必須將機械密封水腔室及管路中的空氣徹底排出，低轉速運行時也可以排氣，但是注意掌握開度不要將排氣閥全開。如排氣不徹底會出現密封摩擦副之間沒有潤滑液，造成干磨和旋動環(huán)熱裂，嚴重影響機械密封的安全正常運行。此外，針對使用中的壓力問題，除在安裝時嚴格執(zhí)行規(guī)定的彈簧壓縮量外，還應在高壓條件下采取特別處理措施。為使端面受力合理、減小變形，可采用硬質合金、陶瓷等耐壓強度高的材料，并加強冷卻的潤滑措施。對真空狀態(tài)運行造成的機械密封滲漏，應采用雙端面機械密封，以改善潤滑條件，提高密封性能。結語綜上所述。南寧神通博格曼機械密封。蘇州XJ神通博格曼機械密封</p><p style="text-indent:25px">江蘇神通博格曼機械密封。南寧神通博格曼機械密封169</p><p> 機械密封用于各種類型的泵。機械密封是一種精度較高的密封裝置，對安裝和使用條件均有一定的要求。1、機械密封安裝使用的一般原則(1)弄清設備的情況，要了解設備轉軸的轉速、軸徑;設備制造精度及密封腔尺寸，設備本身的使用壽命以及設備在生產工藝中的地位等要做***均衡的考慮。(2)估算介質壓力。泵的密封腔壓力一般不是泵的出口壓力，而是低于泵的出口壓力。(3)弄清密封介質情況。要知道密封介質的狀態(tài)，是氣態(tài)還是液態(tài)，介質是否含顆粒及顆粒狀況;了解介質的性質、溫度，以便合理選型及采取必要的冷卻、沖洗、潤滑措施。2、機械密封安裝使用的技術要求(1)安裝機械密封部位的軸或軸套的徑向跳動公差：Ф10~50mmФ50~120mm,。軸或軸套的表面粗糙度應符合技術要求，外徑尺寸公差為h6。(2)傳動軸的軸向竄動量不超過。(3)密封腔體端面對軸表面的跳動公差：軸或軸套外徑端面跳動公差:Ф10~50mm，Ф50~120mm,(4)軸或軸套的端面及密封腔體的端面要有倒角。軸徑≤Φ30mm時為3×10°，軸徑>Φ30mm時為4×10°。(5)當輸送介質溫度偏高、過低或含有雜質顆粒、易燃、易爆、有毒時，應采取相應的阻封、沖洗、冷卻、過濾等措施。(6)對某些靠彈簧傳動的機械密封必須注意彈簧的旋向。南寧神通博格曼機械密封169</p><p style="text-indent:25px">伊格爾博格曼機械密封（張家港）有限公司主要經營范圍是機械及行業(yè)設備，擁有一支專業(yè)技術團隊和良好的市場口碑。公司業(yè)務分為機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產品和服務。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2264410.html</p></div></div></div></div></div><div id="xbd3se7" class="page-right 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