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class="leftbox clearfix"><h1>江蘇電動泵密封的用途和特點歡迎來電漣水創(chuàng)密機械供應(yīng)</h1><div id="u2oqiur" class="proBig"><div id="hldfwik" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295161962890/6395142.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nhegnuw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295161962890/6395142.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qpm28i7" 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(guān)鍵詞：</span>江蘇電動泵密封的用途和特點,封</p><p><span>***更新：</span>2020-10-09 20:08:39</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="mam7p8o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園</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="hbtqdkm" class="page-proshow02"><p class="title">詳細說明</p><div id="h2hebdf" class="box"><p><p> 高溫?zé)嵊捅弥饕谐５妆?、減底泵、催化油漿泵，該類泵的特點是溫度高（370℃-400℃）、油品粘度大、塔底有雜質(zhì)。我們針對高溫泵的這些特點采用的是YH-609系列機械密封, 結(jié)構(gòu)選型主要結(jié)合了以下幾個方面: </p> <p> 金屬波紋管旋轉(zhuǎn)結(jié)構(gòu) </p> <p> 旋轉(zhuǎn)波紋管密封在旋轉(zhuǎn)離心力作用下可以自身清洗波紋管，減少波紋管**沉積和內(nèi)側(cè)結(jié)焦，并能防止因急冷造成的波紋管變形。泵類設(shè)備轉(zhuǎn)速一般為2950r/min，機械密封線速度遠小于25m/s,因此，可以選用旋轉(zhuǎn)結(jié)構(gòu)。 </p> <p> 密封結(jié)構(gòu)形式采用開槽斜面擠緊軸套 </p> <p> 這種定位傳動可靠，安裝拆卸方便且不傷軸。并設(shè)置有限位板，便于泵外調(diào)整密封的壓縮量。波紋管內(nèi)徑一處設(shè)一45℃斜角，以分散應(yīng)力，延長波紋管壽命。輔助密封采用柔性石墨替代合成橡膠，可以承受高達425℃的高溫。 </p> <p> 摩擦副材料的選取 </p> <p> 對摩擦副材料的選取我們采用“硬對硬”結(jié)構(gòu)，起初動靜環(huán)我們選擇了SiC-WC，但是運轉(zhuǎn)一段時間發(fā)現(xiàn)動環(huán)出現(xiàn)肯邊現(xiàn)象，江蘇電動泵密封的用途和特點。改用YG6-YG6之后，設(shè)備運轉(zhuǎn)一直正常，江蘇電動泵密封的用途和特點。 </p> <p> <br /> 機械密封的正常運行必須具備以下條件：機械密封的泵軸撓度要小，江蘇電動泵密封的用途和特點，加上機械密封自身性能，才能達到密封效果。江蘇電動泵密封的用途和特點</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電動泵密封的用途和特點,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295161962890/6395142.jpg"></div><p> 機械密封的密封環(huán)之間應(yīng)有一層液體薄膜，具有下列三個作用： </p> <p> 支持密封受到的大部分水壓負荷。 </p> <p> 作為潤滑劑，減少密封環(huán)生成的摩擦熱。 </p> <p> 使粗糙接觸**小化，從而降低磨損率。 </p> <p> 作為傳熱介質(zhì)，轉(zhuǎn)移密封環(huán)直接區(qū)域的熱能。 </p> <p> 首先我們要研究密封失效的原因，根據(jù)我的經(jīng)驗，有如下： </p> <p> 生產(chǎn)上的缺點； </p> <p> 設(shè)計上的缺點； </p> <p> 缺少培訓(xùn)/技術(shù)； </p> <p> 在我們拆卸機械密封的之前，我們先要想好以下幾點： </p> <p> 主要的泄漏在哪里? </p> <p> 在外部件上是否有碎片？ </p> <p> 是否觀察到軸或旋轉(zhuǎn)的密封部件有偏心現(xiàn)象？ </p> <p> 有否與系統(tǒng)相關(guān)的震動/噪音（如氣穴，接合錯位）？ </p> <p> 在“泵”或密封是否存在局部的熱生成？ </p> <p> 在不同的情況下泄漏是否是間歇的，如在不同的溫度下？ </p> <p> 屬何種泄漏，噴射，小滴，水流或流往管道？ </p> <p> 軸承是否有軸向間隙？ </p> <p> 如果是雙端面密封，則檢查隔離液供應(yīng)是否完好。 </p> <p> 密封在軸上的相對位置？ </p> <p> <br /> 淮安電動泵密封生產(chǎn)企業(yè)機械密封的正常運行必須具備以下條件：泵軸的竄量不能太大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電動泵密封的用途和特點,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295062412109/3548299.jpg"></div><p> 在煤制油化工裝置中，存在許多有害、易燃、易爆介質(zhì)，如甲醇、乙烯、硫化氫一氧化碳、輕烴等。機泵輸送此類介質(zhì)對密封要求較高，按照現(xiàn)代的管理要求，不允許泄露。 </p> <p> 目前，使用技術(shù)一般有三類，采用無泄漏泵如屏蔽泵、磁力泵、隔膜泵等，對于必須使用離心泵時，采用雙重機械密封或干氣密封?；旧洗蟛糠诌m用雙封的場合都可以使用干氣密封，在技術(shù)上來講都是可行的。 </p> <p> 那么雙重密封與干氣密封，哪個更好，常常困擾許多使用者。本文以神華某煤化工項目凈化裝置煤化工凈化裝置主洗泵為例，對雙重密封和干氣密封進行一下簡單的對比，希望能為更多在此領(lǐng)域的用戶提供選擇的參考。 </p> <p> <br /> </p><p> 離心泵用機械密封檢修中的幾個誤區(qū) </p> <p> 彈簧壓縮量越大密封效果越好其實不然，彈簧壓縮量過大，可導(dǎo)致摩擦副急劇磨損，瞬間燒損;過度的壓縮使彈簧失去調(diào)節(jié)動環(huán)端面的能力，導(dǎo)致密封失效。2、動環(huán)密封圖越緊越好其實動環(huán)密封圈過緊有害無益。一是加劇密封圈與軸套間的磨損，過于早漏;二是增大了動環(huán)軸向調(diào)整、移動的阻力，在工況變化頻繁時無法適時進行調(diào)整;三是彈簧過度疲憊易損壞;四是使動環(huán)密封圈變形，影響密封效果。 3、靜環(huán)密封圈越緊越好靜環(huán)密封圈基本處于靜止狀態(tài)，相對較緊密封效果會好些，但過緊也是有害的。一是引起靜環(huán)密封因過度變形，影響密封效果;二是靜環(huán)材質(zhì)以石墨居多，一般較脆，過度受力極易引起碎裂;三是安裝、拆卸困難，極易損壞靜環(huán)。對于含有固體顆粒介質(zhì)，密封面進入固體顆粒是導(dǎo)致使密封失效的主要原因。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電動泵密封的用途和特點,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266600576172/7557626.jpg"></div><p> 高溫?zé)崴靡话銥榻橘|(zhì)溫度高于100 °C，在密封突然失效泄漏之后會噴出大量蒸汽，對人體造成傷害。主要為鍋爐給水泵、循環(huán)水泵、凝結(jié)水泵等。 </p> <p> 為了不因選用串聯(lián)密封而增加成本，又能使高溫?zé)崴冒踩煽窟\行，建議選用單端面機械密封，沖洗方案可以選擇PLAN23+62。PLAN62 所通急冷液直接從23 冷卻器后引旁路連接至密封急冷口，具體流程見圖3 所示?？梢钥闯觯ㄟ^此種布置方式， PLAN62 不需要額外的配管將循環(huán)水引入密封急冷口，又能起到在密封失效時降低介質(zhì)溫度，從而避免對人員的傷害，對系統(tǒng)加以保護。 </p> <p> <br /> 機械密封的工作溫度不能超過其規(guī)定值。南京葉輪泵密封銷售廠家</p><p style="text-indent:25px">泵的密封對整個設(shè)備運轉(zhuǎn)來說起著重要的作用，泵的密封系統(tǒng)泄漏將會嚴重影響到設(shè)備的正常運轉(zhuǎn)。江蘇電動泵密封的用途和特點</p><p> 化工泵(不銹鋼材質(zhì))用于石油，化工，冶金，合成纖維，制藥，食品，合成纖維等部門用于輸送堿性腐蝕介質(zhì)；化工泵(氟塑料材質(zhì))使用于輸送任何酸性，堿性腐蝕性介質(zhì)；化工泵(鑄鐵材質(zhì))用于工業(yè)，城市給水，排水，亦可用于農(nóng)田，果園排灌，供輸送清水或物理及化學(xué)性質(zhì)類似清水的其他液體之用。化工泵密封形式主要有:油封密封，墊片密封，螺紋密封，迷宮密封，填料密封和動力密封。 </p> <p> 化工泵在與運轉(zhuǎn)時，副葉輪所產(chǎn)生的壓頭平衡了主葉輪出口高壓液體，從而實現(xiàn)密封。停車時，副葉輪不起作用，因此必須同時配備停車密封裝置解決停車時可能產(chǎn)生的化工泵泄漏。副葉輪密封結(jié)構(gòu)簡單，密封可靠，使用壽命長，化工泵運轉(zhuǎn)中可實現(xiàn)滴水不漏，因此在化工泵輸送含雜質(zhì)介質(zhì)的泵上經(jīng)常采用。江蘇電動泵密封的用途和特點</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司總部位于江蘇省淮安市漣水縣高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園，是一家漣水創(chuàng)密機械制造有限公司產(chǎn)品包括:輕型密封、中型密封、重型密封，廣泛應(yīng)用于石油、化工、電力、造紙，食品，機械密封件來料加工（塑料機械密封件除外）、銷售；機械配件、汽車配件銷售；自營和代理各類商品及技術(shù)的進出口業(yè)務(wù)，的公司。創(chuàng)密機械制造擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供輕型密封，中型密封，重型密封，小型水泵。創(chuàng)密機械制造繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。創(chuàng)密機械制造始終關(guān)注機械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1486008.html</p></div></div></div></div></div><div id="bli8ynp" class="page-right twoColRt"><div id="rwo2gip" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ax2eypm" 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(yīng)" 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