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style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州離心泵密封廠,封</p><p><span>***更新：</span>2021-01-11 00:19:57</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="ckryqp3" 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="fczbdcl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tc8mjn7" class="box"><p><p> 泵用機(jī)械密封的安裝和技術(shù)要求 </p> <p> 對機(jī)、泵以及機(jī)械密封的配合部分技術(shù)要求： </p> <p> 軸彎曲度比較大不得超過0.05mm。 </p> <p> 部件內(nèi)各零件均符合圖紙要求。上緊壓蓋時應(yīng)在聯(lián)軸器找正后進(jìn)行，壓緊螺絲應(yīng)均上緊，常州離心泵密封廠，防止法蘭面偏斜。 </p> <p> 彈簧的壓縮量按圖紙規(guī)定進(jìn)行允許誤差±2mm。軸在安裝機(jī)械密封處的振擺量不得大于0，常州離心泵密封廠.1mm。軸的軸向竄動量不允許大于0.5mm。 </p> <p> 安裝機(jī)械密封部位軸制造公差為h8，光潔度1.6。e.安裝動環(huán)密封圈的軸（軸套）端部以及安靜環(huán)密封圈的密封壓蓋的端部應(yīng)做成倒角并修光。 </p> <p> 動環(huán)安裝后必須保證動環(huán)能在軸上靈活移動。 </p> <p> 機(jī)械密封安裝、使用技術(shù)要領(lǐng) </p> <p> 安裝時在與密封相接觸的表面應(yīng)涂一層清潔的機(jī)械油，以便能順利裝； </p> <p> 設(shè)備的密封腔部位在安裝時應(yīng)保持清潔，密封零件應(yīng)進(jìn)行清洗，保持密封端面完好無損，防止雜質(zhì)和灰塵帶入密封部位； </p> <p> 在安裝過程中嚴(yán)禁敲打和碰擊，以免使機(jī)械密封付破損而造成密封失效； </p> <p> 設(shè)備轉(zhuǎn)軸的勁向跳動應(yīng)≤0.04毫米，常州離心泵密封廠，軸向竄動量不允許大于0.1毫米； </p> <p> 安裝靜環(huán)壓蓋時，擰緊螺絲必須受力均勻，保證靜環(huán)端面與軸垂直求； </p> <p> 安裝后用手推動動環(huán)，能使動環(huán)在軸上靈活移動，并有一定彈性； </p> <p> 安裝后用手盤動轉(zhuǎn)軸、轉(zhuǎn)軸應(yīng)無輕重感覺； </p> <p> 設(shè)備在運(yùn)轉(zhuǎn)前必須充滿介質(zhì)，以防止干摩擦而使密封失效； </p> <p> <br /> 在密封面處由于干摩擦、冷卻水突然中斷，雜質(zhì)進(jìn)入密封面、抽空等情況下，都會導(dǎo)致環(huán)面出現(xiàn)徑向裂紋。常州離心泵密封廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州離心泵密封廠,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298675996094/8215396.jpg"></div><p> 為保證機(jī)械密封在高溫環(huán)境下正常工作，可以采取如下措施。 </p> <p> 給機(jī)封增加冷卻沖洗裝置。 </p> <p> 選擇耐高溫的材料，根據(jù)不同的工作溫度選用不同的材料。丁腈橡膠溫度上限為80℃，硅橡膠和氟橡膠為200℃，聚四氟乙烯為250℃。另外，機(jī)械密封中的非金屬摩擦副多采用石墨浸漬材料制成，所以也要根據(jù)不同的工作溫度選用不同種類的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，浸樹脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動環(huán)組件應(yīng)盡可能選用膨脹系數(shù)相近的材料，以防止高溫下動環(huán)和動環(huán)座的連接松動。 </p> <p> 選擇金屬波紋管機(jī)械密封。金屬波紋管密封近年來在高溫密封中使用很多，并且取得了很好的效果。在該種機(jī)封中，金屬波紋管取代了普通機(jī)封中的彈簧，省去了動環(huán)輔助密封圈，不需要克服動環(huán)補(bǔ)償時與轉(zhuǎn)軸的摩擦和磨損，因此在高溫下使用，一般都能取得不錯的效果。 </p> <p> <br /> 蘇州清水密封銷售價格如果密封無法直接裝入到預(yù)定的位置，就需要對相關(guān)尺寸進(jìn)行調(diào)整，避免硬裝現(xiàn)象的發(fā)生。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州離心泵密封廠,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298412392578/7048929.jpg"></div><p> 機(jī)械好不好，密封很重要 </p> <p> <p> 油封是用于密封機(jī)械設(shè)備中旋轉(zhuǎn)軸的封油用密封元件，而腔體基本上是靜止的，所以油封又稱旋轉(zhuǎn)軸唇形密封圈。 </p> <p> <span style="font-size:12px;">機(jī)械的摩擦部分由于在機(jī)械運(yùn)轉(zhuǎn)時有油進(jìn)入，為防止這些油從機(jī)械的間隙中泄漏而使用油封，并且除了油以外還需要防止水與化學(xué)藥液的泄漏以及塵埃及土砂從外部侵入，這時候也要用到油封。</span> </p> <p> <span style="font-size:12px;">油封的密封狀態(tài)，一是油封外緣和腔體之間為靜態(tài)密封，同時保證油封外緣在腔體之間的可靠定位。二是油封密封唇和軸之間的密封狀態(tài)，當(dāng)軸旋轉(zhuǎn)時為動態(tài)密封，當(dāng)軸靜止時為靜態(tài)密封。各種影響因素的綜合作用及其相互作用，都對油封的密封性能和使用壽命產(chǎn)生了很大影響。</span> </p> <p> <br /> </p> </p><p> <p> 影響泵用機(jī)械密封的外部原因 </p> <p> 泵軸的軸向竄量 </p> 泵軸的撓度偏大 </p> <p> 沒有輔助沖洗系統(tǒng)或輔助沖洗系統(tǒng)設(shè)計(jì)不合理 </p> <p> 振動偏大及消除措施 </p> <p> <p> 泵氣蝕的原因及改進(jìn)措施 </p> <p> <p> 在凝結(jié)過程中，由于體積急劇縮小，四周的液體以極大的速度沖向整個凝結(jié)空間，使泵內(nèi)造成沖擊振動和噪音。在壓力很大、頻率很高的液體質(zhì)點(diǎn)連續(xù)沖擊下，金屬表面逐漸因疲勞而破壞，這種破壞稱為剝蝕。 </p> <p> 同時溶于液體中的氧等活潑氣體也使金屬產(chǎn)生腐蝕。由于化學(xué)腐蝕與機(jī)械剝蝕的共同作用，加快了金屬損壞的速度，從而使葉輪受到破壞，這就是汽蝕破壞，這種由于液體的汽化和凝結(jié)而產(chǎn)生的沖擊現(xiàn)象就稱為氣蝕現(xiàn)象。消除泵進(jìn)口氣蝕的措施有以下幾點(diǎn)： </p> <p> 提高泵的氣蝕性能水平，滿足現(xiàn)場裝置的氣蝕性能的要求。 </p> <p> 泵應(yīng)當(dāng)在低于允許吸液高度下操作，以保證整個裝置安全可靠的運(yùn)轉(zhuǎn)。 </p> <p> 采用抗氣蝕材料制造葉輪，如：2Cr13、稀土合金鑄鐵、高鎳鉻合金材料等，比普通鑄鐵的抗氣蝕能力要好得多。 </p> <p> <br /> </p> <p> <br /> </p> </p> 機(jī)械密封在流體機(jī)械中發(fā)揮著非常重要的作用，可以有效防止機(jī)械內(nèi)部的介質(zhì)流出泵外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州離心泵密封廠,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 泵，一種用以增加液體或氣體的壓力，使之輸送流動的機(jī)械設(shè)備。泵的種類很多，有離心泵、排污泵、柱塞泵、真空泵、蠕動泵、自吸泵等等，種類繁多。特性各不相同，應(yīng)用領(lǐng)域比較廣，應(yīng)用于農(nóng)田灌溉、排水以及工礦企業(yè)與城鎮(zhèn)的給水、排水等。那么對于各種泵的工作原理你是否了解呢？讓我們一起了解一些其中幾種泵的工作原理。 </p> <p> 柱塞泵是液壓系統(tǒng)的一個重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動，使密封工作容腔的容積發(fā)生變化來實(shí)現(xiàn)吸油、壓油。柱塞泵具有結(jié)構(gòu)緊湊、效率高、額定壓力高和流量調(diào)節(jié)方便等優(yōu)點(diǎn)，被***應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場合，諸如液壓機(jī)、工程機(jī)械。 </p> <p> 柱塞泵是往復(fù)泵的一種，屬于體積泵，其柱塞靠泵軸的偏心轉(zhuǎn)動驅(qū)動，往復(fù)運(yùn)動，其吸入和排出閥都是單向閥。當(dāng)柱塞外拉時，工作室內(nèi)壓力降低，出口閥關(guān)閉，低于進(jìn)口壓力時，進(jìn)口閥打開，液體進(jìn)入；柱塞內(nèi)推時，工作室壓力升高，進(jìn)口閥關(guān)閉，高于出口壓力時，出口閥打開，液體排出。當(dāng)傳動軸帶動缸體旋轉(zhuǎn)時，斜盤將柱塞從缸體中拉出或推回，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通。變量機(jī)構(gòu)用來改變斜盤的傾角，通過調(diào)節(jié)斜盤的傾角可改變泵的排量。介質(zhì)的低于飽和蒸汽壓力，使得端面液膜發(fā)生閃蒸，喪失潤滑。浙江電動泵密封哪家比較好</p><p style="text-indent:25px">根據(jù)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(nèi)裝式或外裝式。常州離心泵密封廠</p><p> 有害介質(zhì)時為了取得更好的密封效果，采用雙重密封，根據(jù)密封液系統(tǒng)壓力可分為有壓雙封(雙端面機(jī)械密封)和無壓雙封(串聯(lián)式機(jī)械密封)。 </p> <p> 有壓雙封密封液系統(tǒng)的壓力一般要比一級密封前的壓力高0.01-0.03MPa。這樣一級密封泄漏時，密封液會進(jìn)入泵內(nèi)，確保了泵內(nèi)介質(zhì)不會泄漏到外界。由于密封液進(jìn)入泵內(nèi)，密封液系統(tǒng)壓力、液位降低，可以實(shí)現(xiàn)密封的泄漏監(jiān)測和報(bào)警。 </p> <p> 無壓雙封密封系統(tǒng)內(nèi)的壓力一般為常壓或微壓，低于一級密封前的密封腔壓力。當(dāng)一級密封泄漏時，泵內(nèi)介質(zhì)會進(jìn)人密封液系統(tǒng)，導(dǎo)致密封液系統(tǒng)的壓力和液位升高，可以通過壓力開關(guān)或液位開關(guān)實(shí)現(xiàn)泄露監(jiān)測和報(bào)警。通過密封液系統(tǒng)來監(jiān)測雙端面機(jī)械密封失效與否，也是其區(qū)別于單端面機(jī)械密封**主要的形式之一。 </p> <p> <br /> 常州離心泵密封廠</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)品的開發(fā)、制造、銷售與一體化的企業(yè)。企業(yè)擁有國內(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，并按照國家和國際的相關(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，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。 </p> <p> <span style="font-size:12px;"> 企業(yè)始終以用戶至上、***為起點(diǎn)，緊扣時代脈搏，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>文章來源地址: http://www.cdcfah.com/cp/2788340.html</p></div></div></div></div></div><div id="rebdfrg" class="page-right twoColRt"><div id="fjb2x2e" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8zbikrd" class="recomPic likePro"><a href="http://www.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="dcubyvc" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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