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src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688731220703/7081356.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="edvxjqs" 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>石家莊工業(yè)泵機(jī)械密封250ZJI-A65,石家莊工業(yè)泵機(jī)械密封</p><p><span>***更新：</span>2020-12-13 05:16:50</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="smtqnpl" 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(jī)械密封（張家港）有限公司</a></p><p><span>聯(lián)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(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="hgd3zwy" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3qx88s8" class="box"><p><p> 機(jī)械密封用于各種類型的泵。機(jī)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(jī)械密封安裝使用的一般原則(1)弄清設(shè)備的情況，要了解設(shè)備轉(zhuǎn)軸的轉(zhuǎn)速、軸徑;設(shè)備制造精度及密封腔尺寸，設(shè)備本身的使用壽命以及設(shè)備在生產(chǎn)工藝中的地位等要做均衡的考慮。(2)估算介質(zhì)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(zhì)情況。要知道密封介質(zhì)的狀態(tài)，是氣態(tài)還是液態(tài)，介質(zhì)是否含顆粒及顆粒狀況;了解介質(zhì)的性質(zhì)、溫度，石家莊工業(yè)泵機(jī)械密封250ZJI-A65，以便合理選型及采取必要的冷卻、沖洗、潤滑措施。2、機(jī)械密封安裝使用的技術(shù)要求(1)安裝機(jī)械密封部位的軸或軸套的徑向跳動公差：Ф10~50mmФ50~120mm,，石家莊工業(yè)泵機(jī)械密封250ZJI-A65。軸或軸套的表面粗糙度應(yīng)符合技術(shù)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，石家莊工業(yè)泵機(jī)械密封250ZJI-A65,(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(dāng)輸送介質(zhì)溫度偏高、過低或含有雜質(zhì)顆粒、易燃、易爆、有毒時，應(yīng)采取相應(yīng)的阻封、沖洗、冷卻、過濾等措施。(6)對某些靠彈簧傳動的機(jī)械密封必須注意彈簧的旋向。100DT-A45石家莊工業(yè)泵機(jī)械密封。石家莊工業(yè)泵機(jī)械密封250ZJI-A65</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊工業(yè)泵機(jī)械密封250ZJI-A65,石家莊工業(yè)泵機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688731220703/7081356.png"></div><p> 以及正確選擇潤滑、沖洗、保溫、冷卻等機(jī)械密封循環(huán)保護(hù)系統(tǒng)等。4.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。二、機(jī)械密封的安裝與使用要求1.機(jī)械密封對機(jī)器精度的要求(以泵用機(jī)械密封為例)(1)安裝機(jī)械密封部位的軸(或軸套)的徑向跳動公差不超過～。(2)轉(zhuǎn)子軸向竄動不超過。(3)密封腔體與密封端蓋結(jié)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(rèn)(1)確認(rèn)所安裝的密封是否與要求的型號一致。(2)安裝前要仔細(xì)地與總裝圖對照，零件數(shù)量是否齊全。(3)采用并圈彈簧傳動的機(jī)械密封，其彈簧有左、右旋之分，須按轉(zhuǎn)軸的旋向來選擇。3.安裝安裝方法隨機(jī)械密封型式、機(jī)器的種類不同而有所不同，但其安裝要領(lǐng)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(yīng)按產(chǎn)品的使用說明書或樣本，保證機(jī)械密封的安裝尺寸。(2)裝入前，軸(軸套)、壓蓋應(yīng)無毛刺，軸承狀況良好;密封件、軸、密封腔、壓蓋都應(yīng)該清洗干凈。為減少摩擦阻力，軸上安裝機(jī)械密封的部位要薄薄地涂上一層油，以進(jìn)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(zhuǎn)銷的結(jié)構(gòu)，不宜涂油，應(yīng)干式裝入壓蓋。。沈陽石家莊工業(yè)泵機(jī)械密封300DI-A6040D-A19石家莊工業(yè)泵機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊工業(yè)泵機(jī)械密封250ZJI-A65,石家莊工業(yè)泵機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688662460938/8518699.png"></div><p> Y〔Y2〕280以下軸伸端軸承〔包括Y180以下風(fēng)葉端軸承〕采用封閉式軸承，正常使用時，免電機(jī)軸承的維護(hù)保養(yǎng)。6、機(jī)封：機(jī)械密封基件一般選用橡膠波紋管結(jié)構(gòu)，將傳統(tǒng)機(jī)械密封中軸上密封由O形圈的線密封改為橡膠件的兩道面密封，在清水介質(zhì)時提高了密封效果。四、螺桿泵雙螺桿泵與齒輪泵十分相似，一個螺桿轉(zhuǎn)動，帶動另一個螺桿，液體被攔截在嚙合室內(nèi)，沿桿軸方向推進(jìn)，然后被擠向**排出。螺桿泵的性能特點(diǎn)螺桿泵的優(yōu)點(diǎn)1、壓力和流量范圍寬闊。壓力約在2，流量可達(dá)100cm3/分；2、運(yùn)送液體的種類和粘度范圍寬廣；3、因?yàn)楸脙?nèi)的回轉(zhuǎn)部件慣性力較低，故可使用很高的轉(zhuǎn)速；4、吸入性能好，具有自吸能力；5、流量均勻連續(xù)，振動小，噪音低；6、與其它回轉(zhuǎn)泵相比，對進(jìn)入的氣體和污物不太敏感；7、結(jié)構(gòu)堅實(shí)，安裝保養(yǎng)容易。螺桿泵的缺點(diǎn)螺桿的加工和裝配要求較高；泵的性能對液體的粘度變化比較敏感。五、往復(fù)泵旁路調(diào)節(jié)往復(fù)泵是正位移泵。當(dāng)泵提供的流量大于管路需求流量時，要求一部分回流到往復(fù)泵進(jìn)口，及旁路調(diào)節(jié)。六、氣動隔膜泵氣動隔膜泵工作時為了使活柱不與腐蝕性料液直接接觸，將氣缸腔體與液料用隔膜分開，實(shí)質(zhì)也是往復(fù)泵的原理。</p><p> 安裝極為方便③電機(jī)外加防雨罩可直接置于室外使用，而無需建造泵房，節(jié)約基建投資。④多級離心泵揚(yáng)程可通過改變泵級數(shù)（葉輪數(shù)量）來滿足不同要求，故適用范圍廣。⑤軸封采用硬質(zhì)合金機(jī)械密封，密封可靠，無泄漏，機(jī)械損失小。⑥高效節(jié)能，外形美觀。使用范圍：多級離心泵具有高效節(jié)能、性能范圍廣、運(yùn)行安全平穩(wěn)、低噪音、長壽命、安裝維修方便等優(yōu)點(diǎn)；通過改變泵的材質(zhì)、密封形式和增加冷卻系統(tǒng)，可輸送熱水、油類、腐蝕性和含磨料的介質(zhì)等3.螺桿泵螺桿泵特點(diǎn)：螺桿泵除了具有容積泵的共同特點(diǎn)外，還因其軸向流動連續(xù)均勻、脈動小、內(nèi)部速度低以及允許有較多的空氣和其他氣體混入等優(yōu)點(diǎn)，使它可以在不允許有液體發(fā)生攪動和旋轉(zhuǎn)的許多場合得到應(yīng)用。適用范圍：用于石油、化工、化纖、電力、海上平臺工程、造船、精密機(jī)床好食品等工業(yè)部門，用來代替離心泵、往復(fù)泵、齒輪泵、葉片泵等作為輸油泵、液壓泵、潤滑油泵、燃油泵和封液泵等。4.往復(fù)泵復(fù)泵特點(diǎn)：①自吸能力強(qiáng)；②理論流量與工作壓力無關(guān)，只取決于轉(zhuǎn)速、泵缸尺寸及作用數(shù)；③額定排出壓力與泵的尺寸和轉(zhuǎn)速無關(guān)；④流量不均勻；⑤轉(zhuǎn)速不宜太快；⑥對液體污染度不敏感；⑦結(jié)構(gòu)較復(fù)雜，易損件較多。800DT-A90石家莊工業(yè)泵機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石家莊工業(yè)泵機(jī)械密封250ZJI-A65,石家莊工業(yè)泵機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688762138672/2574328.png"></div><p> 處理辦法：調(diào)整安裝高度，葉輪安裝后，用螺絲刀拔動彈簧，彈簧有較強(qiáng)的張力，松開后即復(fù)位，有2-4MM的移動距離即可。2）安裝過松觀察機(jī)封動、靜環(huán)平面，其表面有一層很薄的水垢（能夠擦去），且表面基本無磨損，這是彈簧失去彈性及裝配不良造成的，或是由電機(jī)軸向竄動造成的。生產(chǎn)環(huán)節(jié)中的漏水現(xiàn)象例如泵蓋靜環(huán)室造成。靜環(huán)室內(nèi)孔加工尺寸誤差大，表面毛糙。表現(xiàn)的現(xiàn)象為從軸向噴水，靜環(huán)與內(nèi)孔之間存在間隙，或者內(nèi)孔粗糙，靜環(huán)跟轉(zhuǎn)，橡膠磨損。使用環(huán)節(jié)中的漏水現(xiàn)象1)壓力造成滲漏。使用中當(dāng)密封腔內(nèi)壓力>3MPa時，可能導(dǎo)致端面比壓過大,液膜難以成，密封端面磨損嚴(yán)重，發(fā)熱量增多，造成密封面熱變形。而泵在啟動、停機(jī)過程中，由于泵進(jìn)口堵塞，抽送介質(zhì)中含有氣體等原因，可能使密封腔出現(xiàn)負(fù)壓，繼而引起密封端面干摩擦，內(nèi)裝式機(jī)械密封會產(chǎn)生漏水現(xiàn)象。2)介質(zhì)問題。首先，由于密封圈等輔助元件常采用不耐酸堿和高溫的有機(jī)材料，當(dāng)介質(zhì)中含有弱酸、弱堿時，長期的使用會使其失去彈性甚至腐爛;而介質(zhì)中出現(xiàn)固體顆粒等物質(zhì)時，也會劃傷端面造成磨損，同時水垢、油污等也可能在軸表面造成堆積。此外，水溫超標(biāo)也是導(dǎo)致機(jī)械密封性能下降的主要原因。石家莊工業(yè)泵機(jī)械密封HMDT。沈陽石家莊工業(yè)泵機(jī)械密封300DI-A60</p><p style="text-indent:25px">石家莊工業(yè)泵機(jī)械密封300DI-A60。石家莊工業(yè)泵機(jī)械密封250ZJI-A65</p><p> 是否影響機(jī)械密封的正常工作狀態(tài)。⑤檢查固定端蓋的螺釘是否松動，而引起密封端蓋的偏斜。⑥檢查泵的軸向竄動和徑向振動是否超過使用的技術(shù)要求。⑦若是裝軸套的情況，檢查軸套與軸之間的密封是否損壞，位置是否正確。⑧檢查密封體內(nèi)有無密封液循環(huán)，機(jī)械密封是否處于干摩擦狀態(tài)。機(jī)械密封件的選型方法和使用要求機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類、反應(yīng)合成釜、透平壓縮機(jī)、潛水電機(jī)等設(shè)備的關(guān)鍵部件。其密封性能和使用壽命取決于許多因素，如選型、機(jī)器的精度、正確的安裝使用等。一、選型方法機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。選型的主要參數(shù)有：密封腔體壓力(MPa)、流體溫度(℃)、工作速度(m/s)、流體的特性以及安裝密封的有效空間等。選型的基本原則為：1.根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。2.根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動壓式或非接觸型。3.根據(jù)溫度及流體性質(zhì)，確定摩擦副和輔助密封材料。石家莊工業(yè)泵機(jī)械密封250ZJI-A65</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2383431.html</p></div></div></div></div></div><div id="xbdv3gs" class="page-right twoColRt"><div id="vkhj32i" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ds2u8fh" 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