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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="smj43kb" 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>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>南京計(jì)量泵密封哪家質(zhì)量好,封</p><p><span>***更新：</span>2021-01-15 04:07:17</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="8d5ihdv" 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(jī)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(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營(yíng)經(jīng)濟(jì)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="kzr9qif" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2nmgs8p" class="box"><p><p> 泵用機(jī)械密封種類繁多，型號(hào)各異，但泄漏點(diǎn)主要有：①軸套與軸間的密封；②動(dòng)環(huán)與軸套間的密封；③動(dòng)、靜環(huán)間的密封；④靜環(huán)與靜環(huán)座間的密封；⑤密封端蓋與泵體間的密封。一般來(lái)說(shuō)，軸套外伸的軸間、密封端蓋與泵體間的泄漏比較容易發(fā)現(xiàn)和解決，但需細(xì)致觀察。其余的泄漏直觀上很難辨別和判斷，須在長(zhǎng)期管理、維修實(shí)踐的基礎(chǔ)上，對(duì)泄漏癥狀進(jìn)行觀察、分析、研判，才能得出正確結(jié)論。 </p> <p> 使用問(wèn)題 </p> <p> 安裝靜試，在沒(méi)有帶負(fù)荷的時(shí)候泄漏 </p> <p> 試運(yùn)轉(zhuǎn)時(shí)出現(xiàn)的泄漏 </p> <p> 上述現(xiàn)象在試運(yùn)轉(zhuǎn)中經(jīng)常出現(xiàn)，有時(shí)可以通過(guò)適當(dāng)調(diào)整靜環(huán)座等予以消除，但多數(shù)需要重新拆裝，南京計(jì)量泵密封哪家質(zhì)量好，更換機(jī)械密封。泄漏通道也可同時(shí)存在，但一般有主次區(qū)別，南京計(jì)量泵密封哪家質(zhì)量好，只要觀察細(xì)致，南京計(jì)量泵密封哪家質(zhì)量好，熟悉結(jié)構(gòu)，一定能正確判斷。南京計(jì)量泵密封哪家質(zhì)量好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京計(jì)量泵密封哪家質(zhì)量好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg"></div><p> 密封的靈活性選擇 </p> <p> 主軸的軸向和徑向運(yùn)動(dòng)需要與彈簧之間保持一定的靈活性，以保證接觸面之間的密封。然而，只能提供一定程度的靈活性。液泵的機(jī)械狀況及其長(zhǎng)度直徑比(一種主軸的直徑與其延伸長(zhǎng)度之比的衡量方式，比值越低越好)對(duì)密封的可靠性起著重要的作用。密封的靈活性一般由一個(gè)大型主彈簧和一系列小彈簧或波紋密封裝置提供保證。 </p> <p> <span style="font-size:12px;">化學(xué)工業(yè)所采用的傳統(tǒng)密封設(shè)計(jì)，其密封壓力施加于旋轉(zhuǎn)面上，這種密封稱之為旋轉(zhuǎn)密封，因?yàn)閺椈苫虿y密封裝置與主軸一起旋轉(zhuǎn)。比較新穎的設(shè)計(jì)，其彈簧或波紋密封裝置安裝于靜止面上。在現(xiàn)在的機(jī)械密封上，上述兩種密封方式都有非常普遍的應(yīng)用，這樣對(duì)于安裝具有一定的靈活性。</span> </p> <p> <span style="font-size:12px;">早期設(shè)計(jì)的許多機(jī)械密封采用單一的大型彈簧圍繞主軸排列，在液泵起動(dòng)過(guò)程中，可為密封面提供很強(qiáng)的密封力。密封的作用依靠主軸的旋轉(zhuǎn)來(lái)繃緊彈簧卷。</span> 常州污水密封廠家直供針對(duì)密封實(shí)際應(yīng)用中出現(xiàn)的問(wèn)題，應(yīng)引起重視，分析問(wèn)題發(fā)生的原因，然后及時(shí)采取針對(duì)性的措施，保證效果。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京計(jì)量泵密封哪家質(zhì)量好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg"></div><p> 泵用機(jī)械密封選型要點(diǎn) </p> <p> 美國(guó)石油協(xié)會(huì)API 682(Pumps-Shaft Sealing Systems for Centrifugal and Rotary Pumps)標(biāo)準(zhǔn)中對(duì)機(jī)械密封的類別(Categories)、類型(Types)、布置方式(Arrangements)、沖洗方案(Flush plans)等進(jìn)行了分類，在工程應(yīng)用中機(jī)械密封的選型也應(yīng)注重以上要點(diǎn)進(jìn)行分析。 </p> <p> 另外，機(jī)械密封的 pV 值是選擇、使用和設(shè)計(jì)機(jī)械密封的重要參數(shù)，功耗、磨損與溫升都與該值有關(guān)。pV 值越高，機(jī)械密封的技術(shù)水平及難度系數(shù)越高。 </p> <p> 機(jī)械密封類別(Categories)的選擇 </p><p> 機(jī)械密封動(dòng)、靜環(huán)之間的工作情況，大多數(shù)是處在邊界潤(rùn)滑和半液體潤(rùn)滑狀態(tài)下，而半液體潤(rùn)滑能夠在摩擦系數(shù)較小即磨損與發(fā)熱令人滿意的情況下，獲得好的密封效果。 </p> <p> 機(jī)械密封的動(dòng)、靜環(huán)之間的摩擦情況： </p> <p> 半液體潤(rùn)滑： </p> <p> 滑動(dòng)表面的凹坑處存有液體，接觸面之間維持一層很薄的液膜，所以發(fā)熱和磨損情況均較好，由于動(dòng)、靜環(huán)之間的液膜在其出口處有表面張力，故限制了液體的泄露。 </p> <p> 完全液體潤(rùn)滑： </p> <p> 但由于在這種情況下動(dòng)、靜環(huán)之間的縫隙較大，故起不到密封作用，泄露嚴(yán)重。當(dāng)動(dòng)、靜環(huán)之間的壓力不足，而使間隙增大時(shí)，液膜增厚，這時(shí)不存在固體接觸，故無(wú)摩擦現(xiàn)象。在實(shí)際應(yīng)用中一般不允許有這種情況出現(xiàn)（受控膜機(jī)械密封除外）。 </p> <p> 干摩擦： </p> <p> 滑動(dòng)摩擦面上無(wú)液體進(jìn)入，因而無(wú)液膜存在，塵土和氧化層，以及吸附的氣體分子等。當(dāng)動(dòng)、靜環(huán)運(yùn)轉(zhuǎn)時(shí)，其結(jié)果必然是使摩擦面發(fā)熱、磨損加劇而造成泄露。、邊界潤(rùn)滑： </p> <p> 由于表面不是特別平的，而是凹凸不平，在凸出會(huì)有接觸磨損，而在凹處則保持液體的潤(rùn)滑性能，造成邊界潤(rùn)滑。當(dāng)動(dòng)、靜環(huán)之間的壓力增大或者液體在摩擦面上形成液膜的能力較差時(shí)，液體將從間隙中被擠出。邊界潤(rùn)滑的磨損和發(fā)熱程度為中等。機(jī)械密封安裝調(diào)試好后，一般要進(jìn)行靜試，觀察泄漏量。如泄漏量較小，多為動(dòng)環(huán)或靜環(huán)密封圈存在問(wèn)題。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京計(jì)量泵密封哪家質(zhì)量好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg"></div><p> 機(jī)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(gè)作用： </p> <p> 支持密封受到的大部分水壓負(fù)荷。 </p> <p> 作為潤(rùn)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(yàn)，有如下： </p> <p> 生產(chǎn)上的缺點(diǎn)； </p> <p> 設(shè)計(jì)上的缺點(diǎn)； </p> <p> 缺少培訓(xùn)/技術(shù)； </p> <p> 在我們拆卸機(jī)械密封的之前，我們先要想好以下幾點(diǎn)： </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(dòng)/噪音（如氣穴，接合錯(cuò)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(duì)位置？對(duì)于含有固體顆粒介質(zhì)，密封面進(jìn)入固體顆粒是導(dǎo)致使密封失效的主要原因。南京計(jì)量泵密封哪家質(zhì)量好</p><p style="text-indent:25px">裝O形圈的溝槽尺寸超差，尤其是深度尺寸過(guò)大時(shí)，使O形圈安裝后壓縮變形量不足而影響密封能力。南京計(jì)量泵密封哪家質(zhì)量好</p><p> 油封的裝配，無(wú)論油封的安裝部分設(shè)計(jì)和油封的選擇多么適宜，如果組裝的粗糙，也不能充分發(fā)揮油封預(yù)定的功能。 </p> <p> <span style="font-size:12px;">油封安裝時(shí),外表面應(yīng)涂上適當(dāng)?shù)臐?rùn)滑劑，唇口應(yīng)涂上適合的清潔潤(rùn)滑脂，帶有防塵唇的油封，應(yīng)在主付唇間填滿適合的清潔潤(rùn)滑脂，再進(jìn)行裝配.把油封的密封唇口端朝向密封介質(zhì)一側(cè),切忌反向裝配.油封裝入座孔時(shí),應(yīng)采用**工具推入,防止位置偏斜.油封唇緣通過(guò)的螺紋,鍵槽,花鍵等處應(yīng)采取各種措施來(lái)防止唇緣損傷,并用**工具裝配.油封應(yīng)水平放入座孔，并均勻加壓，請(qǐng)勿傾斜強(qiáng)制推進(jìn)。</span> </p> <p> <br /> 南京計(jì)量泵密封哪家質(zhì)量好</p><p> 淮安市漣水創(chuàng)密機(jī)械制造有限公司是一家專業(yè)從事機(jī)械密封產(chǎn)品的開(kāi)發(fā)、制造、銷售與一體化的企業(yè)。企業(yè)擁有國(guó)內(nèi)前列的工藝、專業(yè)的技術(shù)人員，先進(jìn)的生產(chǎn)設(shè)備和檢測(cè)手段。堅(jiān)持以科技為導(dǎo)向，建立了嚴(yán)格的產(chǎn)品質(zhì)量和管理保證體系，并按照國(guó)家和國(guó)際的相關(guān)標(biāo)準(zhǔn)以及用戶的特殊需求，生產(chǎn)質(zhì)量的機(jī)械密封產(chǎn)品，滿足了廣大用戶的需求。同時(shí)，企業(yè)致力于為用戶提供相關(guān)的技術(shù)咨詢，解決用戶使用中的疑難和關(guān)鍵，體現(xiàn)了企業(yè)的價(jià)值。 </p> <p> <br /> </p> <p> 企業(yè)生產(chǎn)的機(jī)械密封產(chǎn)品包括：輕型密封、中型密封和重型密封。產(chǎn)品品種齊全，被廣泛應(yīng)用于石油、化工、電力、造紙，食品等行業(yè)。由于產(chǎn)品密封性能好，經(jīng)久耐用，深受廣發(fā)用戶好評(píng)。 </p> <p> <span style="font-size:12px;"> 企業(yè)始終以用戶至上、***為起點(diǎn)，緊扣時(shí)代脈搏，抓發(fā)展機(jī)遇，已被諸多用戶認(rèn)定為質(zhì)量產(chǎn)品供應(yīng)商，是值得依賴的合作伙伴。企業(yè)將永遠(yuǎn)把質(zhì)量的產(chǎn)品、誠(chéng)信的服務(wù)奉獻(xiàn)給廣大用戶，熱忱歡迎新老客戶惠顧。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2852045.html</p></div></div></div></div></div><div id="8rqplnd" class="page-right twoColRt"><div id="z87q3t3" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xroyaro" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3w3r4c9" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img 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