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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="hq2u8gs" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7zqcegn" class="box"><p><p> 泵，一種用以增加液體或氣體的壓力，使之輸送流動(dòng)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(dòng)泵、自吸泵等等，種類繁多。特性各不相同，南通葉輪泵密封銷售廠家，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(duì)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(gè)重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動(dòng)，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(chǎng)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，南通葉輪泵密封銷售廠家，其柱塞靠泵軸的偏心轉(zhuǎn)動(dòng)驅(qū)動(dòng)，往復(fù)運(yùn)動(dòng)，其吸入和排出閥都是單向閥，南通葉輪泵密封銷售廠家。當(dāng)柱塞外拉時(shí)，工作室內(nèi)壓力降低，出口閥關(guān)閉，低于進(jìn)口壓力時(shí)，進(jìn)口閥打開，液體進(jìn)入；柱塞內(nèi)推時(shí)，工作室壓力升高，進(jìn)口閥關(guān)閉，高于出口壓力時(shí)，出口閥打開，液體排出。當(dāng)傳動(dòng)軸帶動(dòng)缸體旋轉(zhuǎn)時(shí)，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。與密封件相對(duì)滑動(dòng)零件的幾何位置精度(同心度)高材質(zhì)好(如鍍硬鉻)和表面粗糙度較細(xì)可延長(zhǎng)使用壽命。南通葉輪泵密封銷售廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通葉輪泵密封銷售廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293380048828/7808572.jpg"></div><p style="text-indent:25px">微型水泵能在不加引水的情況下，可以吸水，就表示這個(gè)水泵有自吸的功能?？沙槿∷?、液體(溶液)，適用于需要進(jìn)行液體轉(zhuǎn)移、提升、清洗、噴灑、沖洗、灌溉等等多種場(chǎng)合。水泵的抽水管內(nèi)是空氣的情況下，利用泵工作時(shí)形成的負(fù)壓（真空），在大氣壓的作用下將低于抽水口的水壓上來，再?gòu)乃玫呐潘伺懦?。這個(gè)過程前是不需要加“引水（引導(dǎo)用的水）”的。就是說具備這種自吸能力的微型水泵，就叫“微型自吸水泵”。簡(jiǎn)稱：“微型吸泵”原理類似微型真空泵。蘇州清水密封銷售廠家泵的密封對(duì)整個(gè)設(shè)備運(yùn)轉(zhuǎn)來說起著重要的作用，泵的密封系統(tǒng)泄漏將會(huì)嚴(yán)重影響到設(shè)備的正常運(yùn)轉(zhuǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通葉輪泵密封銷售廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg"></div><p> 隨著時(shí)代的高速發(fā)展，對(duì)石油資源的需求量不斷增加，石油煉廠的生產(chǎn)任務(wù)越來越重。泵用機(jī)械在石油煉廠生產(chǎn)過程中發(fā)揮著非常重要的作用，但在其實(shí)際運(yùn)行過程中，其機(jī)械密封往往會(huì)出現(xiàn)各種問題，不僅影響機(jī)械的正常使用，還容易導(dǎo)致安全問題的發(fā)生。文章對(duì)石油煉廠常用機(jī)械密封的設(shè)計(jì)改進(jìn)與應(yīng)用進(jìn)行分析，希望對(duì)中國(guó)石油煉化事業(yè)的發(fā)展起到積極的促進(jìn)作用。 </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。其運(yùn)行情況，對(duì)泵用機(jī)械運(yùn)行的穩(wěn)定性有著非常直接的影響，在石油煉化生產(chǎn)過程中，發(fā)揮著非常重要的作用。各種流體機(jī)械在化工生產(chǎn)中，有著非常明顯的應(yīng)用，隨著石油煉化技術(shù)的高速發(fā)展，流體機(jī)械的應(yīng)用參數(shù)水平也在不斷提高，對(duì)機(jī)械性能要求也在不斷提高，轉(zhuǎn)軸密封的作用非常突出。我國(guó)對(duì)機(jī)械密封的研究開始較晚，從上個(gè)世紀(jì)80 年代，機(jī)械密封在石油煉化產(chǎn)業(yè)中才開始得到大規(guī)模的應(yīng)用。 </p><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)來繃緊彈簧卷。</span> 軸封腔壓力很高或者壓力接近該密封使用比較高極限時(shí)，由密封腔引液體至低壓區(qū)，使軸封液體流動(dòng)以帶走摩擦熱。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通葉輪泵密封銷售廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293279589844/7625641.jpg"></div><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(diǎn)是溫度高（370℃-400℃）、油品粘度大、塔底有雜質(zhì)。我們針對(duì)高溫泵的這些特點(diǎn)采用的是YH-609系列機(jī)械密封, 結(jié)構(gòu)選型主要結(jié)合了以下幾個(gè)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(jī)械密封線速度遠(yuǎn)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(dòng)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(zhǎng)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(dá)425℃的高溫。 </p> <p> 摩擦副材料的選取 </p> <p> 對(duì)摩擦副材料的選取我們采用“硬對(duì)硬”結(jié)構(gòu)，起初動(dòng)靜環(huán)我們選擇了SiC-WC，但是運(yùn)轉(zhuǎn)一段時(shí)間發(fā)現(xiàn)動(dòng)環(huán)出現(xiàn)肯邊現(xiàn)象。改用YG6-YG6之后，設(shè)備運(yùn)轉(zhuǎn)一直正常。 </p> <p> <br /> 裝O形圈的溝槽尺寸超差，尤其是深度尺寸過大時(shí)，使O形圈安裝后壓縮變形量不足而影響密封能力。南通離心泵密封廠家推薦</p><p style="text-indent:25px">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(rùn)滑。南通葉輪泵密封銷售廠家</p><p> 油封主要由密封體、加強(qiáng)骨架和自緊螺旋彈簧等幾部分組成。密封體按照不同部位又分為底部、腰部、刃口和密封唇等。。 </p> <p> <span style="font-size:12px;">金屬骨架就如同混凝土構(gòu)件里面的鋼筋，起到加強(qiáng)的作用，并使油封能保持形狀及張力。通常，在自由狀態(tài)下的骨架油封，其內(nèi)徑比軸徑小，即具有一定的“過盈量”。因此，當(dāng)油封裝入油封座和軸上之后，油封刃口的壓力和自緊螺旋彈簧的收縮力對(duì)軸產(chǎn)生一定的徑向緊力，經(jīng)過一段時(shí)間運(yùn)行后，該壓力會(huì)迅速減小乃至消失，因而，加上彈簧可以隨時(shí)補(bǔ)償油封自緊力。</span> </p> <p> <span style="font-size:12px;">油封外緣使油封在腔體孔內(nèi)固定的同時(shí)，起防止流體從油封外周面與腔體內(nèi)表面的接觸面之間泄漏及侵入的作用。另外金屬骨架是當(dāng)油封固定在腔體內(nèi)時(shí)，起保持配合力的作用。</span> </p> <p> <span style="font-size:12px;">密封唇部是柔性彈性體，設(shè)計(jì)成對(duì)機(jī)械的震動(dòng)及密封流體的壓力變動(dòng)的影響下仍可保持穩(wěn)定的密封作用，并起到保持唇部與軸表面穩(wěn)定接觸狀態(tài)的作用。彈簧可提高密封唇向軸的壓緊力，起維持此壓緊力的作用。唇端部被制作成斜鍥形狀，在端部處按壓軸表面，起密封流體的作用。</span> </p> <p> <span style="font-size:12px;">防塵唇是沒有與彈簧連接的副唇，起防止塵埃侵入的作用。</span> </p> <p> <br /> 南通葉輪泵密封銷售廠家</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司位于江蘇省淮安市漣水縣高溝鎮(zhèn)高揚(yáng)民營(yíng)經(jīng)濟(jì)產(chǎn)業(yè)園，擁有一支專業(yè)的技術(shù)團(tuán)隊(duì)。在創(chuàng)密機(jī)械制造近多年發(fā)展歷史，公司旗下現(xiàn)有品牌創(chuàng)密機(jī)械制造等。公司以用心服務(wù)為重點(diǎn)價(jià)值，希望通過我們的專業(yè)水平和不懈努力，將漣水創(chuàng)密機(jī)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(jī)械密封件來料加工（塑料機(jī)械密封件除外）、銷售；機(jī)械配件、汽車配件銷售；自營(yíng)和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，等業(yè)務(wù)進(jìn)行到底。自公司成立以來，一直秉承“以質(zhì)量求生存，以信譽(yù)求發(fā)展”的經(jīng)營(yíng)理念，始終堅(jiān)持以客戶的需求和滿意為重點(diǎn)，為客戶提供良好的輕型密封，中型密封，重型密封，小型水泵，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1697997.html</p></div></div></div></div></div><div id="b3l7k8m" 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