陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE 伊格爾博格曼機(jī)械密封供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 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。（3）先將靜環(huán)與壓蓋一起裝在軸上，注意不要與軸相碰，然后將動(dòng)環(huán)組件裝入。彈簧座或傳動(dòng)座的緊定螺釘應(yīng)分幾次均勻擰緊。在未固定壓蓋"><meta name="keywords" content="陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE,安德里茲泵用機(jī)械密封"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機(jī)械密封</a>?陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE 伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="5c8uvxz" class="leftbox clearfix"><h1>陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE 伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="rvkhx2g" class="proBig"><div id="i8u3wog" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435880019531/604898.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pgx32xu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435880019531/604898.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i87vnum" 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>陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE,安德里茲泵用機(jī)械密封</p><p><span>***更新：</span>2020-12-21 16:24:24</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="cjgsy7c" 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="vj7kwip" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p8xrrjl" class="box"><p><p> 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。（3）先將靜環(huán)與壓蓋一起裝在軸上，注意不要與軸相碰，然后將動(dòng)環(huán)組件裝入。彈簧座或傳動(dòng)座的緊定螺釘應(yīng)分幾次均勻擰緊。在未固定壓蓋之前，用手推補(bǔ)償環(huán)作軸向壓縮，松開后補(bǔ)償環(huán)能自動(dòng)彈回?zé)o卡滯現(xiàn)象，然后將壓蓋螺拴均勻地鎖緊。4.使用（1）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(shí)，必須采取相應(yīng)的阻封、沖洗、冷卻、過濾等措施。（2）運(yùn)轉(zhuǎn)前用手盤車，注意轉(zhuǎn)矩是否過大，有無擦碰及不正常的聲音。（3）注意旋向，聯(lián)軸器是否對(duì)中，軸承部位的潤(rùn)滑油加法是否適當(dāng)，配管是否正確。（4）運(yùn)轉(zhuǎn)前首先將介質(zhì)、冷卻水閥門打開，檢查密封腔內(nèi)的氣體是否全排出，陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE，防止靜壓引起泄漏，然后開機(jī)運(yùn)行，陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE。（5）開車后工作是否正常穩(wěn)定，有無因軸轉(zhuǎn)動(dòng)引起的異常轉(zhuǎn)矩，以及異常響聲和過熱現(xiàn)象。三、主要技術(shù)結(jié)構(gòu)和解決方法這些泵的機(jī)械密封是由兩塊垂直于軸的密封元件（靜環(huán)和動(dòng)環(huán)）組成的，陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE，其表面光潔而平直，相互貼合。密封端面平面度不大于，表面粗糙度，金屬材料Ra＝μm，非金屬材料Ra＝μm。動(dòng)環(huán)和靜環(huán)作相對(duì)轉(zhuǎn)動(dòng)，摩擦副材料為石墨、氧化鋁陶瓷、碳化硅、氮化硅、碳化鎢硬質(zhì)合金等。安德里茲泵用機(jī)械密封JCS1C-43-QREO-GA-192038。陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435880019531/604898.png"></div><p> 且接觸應(yīng)力不均勻，使之產(chǎn)生機(jī)械變形；二是由于使用溫度較高（或過低），材料物理性能（主要是線膨脹系數(shù)）的差異使硬質(zhì)合金環(huán)和環(huán)座的配合部位不能同步脹縮，過盈量發(fā)生變化，接觸應(yīng)力也隨著發(fā)生變化，這種變化對(duì)密封環(huán)的使用產(chǎn)生影響。密封端面變形破壞了平面度，更有甚者喪失過盈，使聯(lián)接失效，硬質(zhì)合金環(huán)熱裝式密封環(huán)目前有三種結(jié)構(gòu)，圖23a是制造廠早期生產(chǎn)的，結(jié)構(gòu)較為簡(jiǎn)單。但是由于硬質(zhì)合金環(huán)和輔助密封圈接觸，一旦硬質(zhì)合金環(huán)松脫，運(yùn)轉(zhuǎn)時(shí)輔助密封圈被嚴(yán)重磨損，會(huì)出現(xiàn)大量泄漏。而圖23b是在圖23a的基礎(chǔ)上改進(jìn)的，輔助密封圈不和硬質(zhì)合金環(huán)接觸，不存在上述缺陷，只是硬質(zhì)合金環(huán)和環(huán)座之間有輕微泄漏。為了減少硬質(zhì)合金環(huán)密封端面的不均勻變形，環(huán)座的熱裝部位內(nèi)外設(shè)置環(huán)形槽（圖23c），使硬質(zhì)合金環(huán)外圓柱面的接觸應(yīng)力趨于均勻，以減少碳化鎢環(huán)的變形，使用效果較好。焊接的組合式密封環(huán)特點(diǎn)為克服熱裝式密封環(huán)松脫的缺陷，出現(xiàn)了焊接的密封環(huán)（圖24）。所用的硬質(zhì)合金是以Cr3C2為硬質(zhì)相、Ni為粘結(jié)相的燒結(jié)合金材料。耐腐蝕優(yōu)于YG6等硬質(zhì)合金，高溫下具有優(yōu)異的抗氧化性能，在1000℃空氣中加熱2小時(shí)無任何變化。但是導(dǎo)熱性能較差，*為YG6的1／3；線膨脹系數(shù)大。陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE河?xùn)|區(qū)11-LP-D-S32-D20/40-DE安德里茲泵用機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435675146484/5210047.png"></div><p> Category3)的溫度、壓力范圍與2類相同，但對(duì)密封的認(rèn)證試驗(yàn)以及圖紙資料的要求更加嚴(yán)格，另外三類密封需要采用多孔均勻沖洗系統(tǒng)以及節(jié)流襯套需采用浮動(dòng)石墨襯圈的形式。目前國(guó)內(nèi)密封廠家不具備嚴(yán)格意義上的三類密封生產(chǎn)能力，因此*建議在采用進(jìn)口密封且應(yīng)用場(chǎng)合要求極高的情況下選用。密封類型選擇A型密封(TypeA)采用多彈簧，止推環(huán)式補(bǔ)償結(jié)構(gòu)，補(bǔ)償裝置為旋轉(zhuǎn)式，輔助密封圈為彈性O(shè)形圈;B型密封(TypeB)采用無止推環(huán)，波紋管補(bǔ)償結(jié)構(gòu)，補(bǔ)償裝置為旋轉(zhuǎn)式，輔助密封圈為彈性O(shè)形圈;C型密封(TypeC)采用無止推環(huán)，波紋管補(bǔ)償結(jié)構(gòu)，補(bǔ)償裝置為靜止式，輔助密封件為柔性石墨。除以上3種標(biāo)準(zhǔn)密封形式之外，API682還規(guī)定了4種替代密封，分別是靜止式A(B)型密封、單彈簧式A型密封、旋轉(zhuǎn)式C型密封。靜止式與旋轉(zhuǎn)式機(jī)械密封的選擇在同一軸徑下，采用靜止式密封的徑向尺寸要比采用旋轉(zhuǎn)式大一個(gè)等級(jí)，因此旋轉(zhuǎn)式密封具有徑向尺寸小、安裝方便的特點(diǎn)，一般情況下均采用旋轉(zhuǎn)式密封。當(dāng)密封端面線速度不小于23m/s時(shí)，彈簧及其他旋轉(zhuǎn)部件產(chǎn)生的離心力較大，動(dòng)平衡要求較高，同時(shí)消耗攪拌功率，產(chǎn)生攪拌熱，此時(shí)應(yīng)采用靜止式密封。單彈簧與多彈簧機(jī)械密封的選擇單彈簧式機(jī)械密封結(jié)構(gòu)簡(jiǎn)單。</p><p> 沖洗液的流量、壓力不夠，沖洗口位置設(shè)計(jì)不合理等原因，也同樣達(dá)不到效果。常用的措施有：1.在條件允許的情況下，盡量設(shè)計(jì)輔助沖洗系統(tǒng)。沖洗壓力一般要求高于密封腔壓力，密封腔壓力要根據(jù)每種泵的結(jié)構(gòu)形式、系統(tǒng)壓力等因素來計(jì)算。軸封腔壓力很高或者壓力幾乎接近該密封使用極限時(shí)，也可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。2.根據(jù)每種泵的操作條件，合理地配置管路和附件。如冷卻器、孔板、過濾器、閥門、流量指示器、壓力表、溫度等。實(shí)際上密封的可靠性和壽命，在很大程度上取決于密封輔助系統(tǒng)的配置，另外泵軸、軸套、泵體、密封腔體的加工精度不夠等原因的存在對(duì)機(jī)械密封的密封效果也是很不利的，在這些方面應(yīng)該做到嚴(yán)格把關(guān)。（四）振動(dòng)偏大及消除措施機(jī)械密封振動(dòng)偏大往往不是機(jī)械密封自身的原因，而是泵軸設(shè)計(jì)不合理、加工精度不夠、靠背輪的平行度偏大、徑向力大等原因，消除泵振動(dòng)措施有：泵、電機(jī)、底座、現(xiàn)場(chǎng)管路等輔助設(shè)備在現(xiàn)場(chǎng)安裝時(shí)，要嚴(yán)格把關(guān)，消除振動(dòng)源。（五）泵氣蝕的原因及改進(jìn)措施離心泵葉輪入口處是泵內(nèi)壓力小的地方，當(dāng)此處的壓力等于或低于工作溫度下被輸送液體的飽和蒸汽壓1pt時(shí)，液體就會(huì)沸騰汽化，產(chǎn)生大量氣泡。東城區(qū)11-LP-D-S32-D20/60-DE安德里茲泵用機(jī)械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE,安德里茲泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637377435797187500/9347229.png"></div><p> 多采用以下幾種方式固定：1）螺帽固定（見圖3）。這種結(jié)構(gòu)要求軸上帶有凸臺(tái)，動(dòng)環(huán)斷面為“L”形，動(dòng)環(huán)裝入后用短套頂住，外面用圓螺帽旋緊。為防止介質(zhì)沿動(dòng)環(huán)泄漏，在動(dòng)環(huán)和軸套凸臺(tái)端面有密封圈。集裝式密封的動(dòng)環(huán)也可用螺帽固定，和前者不同的是動(dòng)環(huán)的螺帽從內(nèi)部旋緊，事先組裝好后再將整體機(jī)械密封向泵上安裝。2）螺釘傳動(dòng)（圖38）。動(dòng)環(huán)的后部端面鉆有螺釘孔并帶螺紋，軸套上帶有突緣，用螺釘將動(dòng)環(huán)和軸套的突緣聯(lián)接在一起，中間設(shè)墊片防止介質(zhì)沿動(dòng)環(huán)和軸套之間泄漏。3)頂絲傳動(dòng)（圖39）。這種結(jié)構(gòu)實(shí)際上增加了一個(gè)傳動(dòng)套，該套用頂絲固定在軸上，動(dòng)環(huán)用銷釘與其傳動(dòng)，在傳動(dòng)套和軸以及動(dòng)環(huán)和傳動(dòng)套之間均設(shè)有密封圈。這種動(dòng)環(huán)結(jié)構(gòu)較為復(fù)雜，但其浮動(dòng)性得到了改善。4）銷釘傳動(dòng)（圖40）。該種傳動(dòng)省略了圖39的傳動(dòng)套，動(dòng)環(huán)和軸用銷釘傳動(dòng)，其軸向靠臺(tái)階定位，顯然這種動(dòng)環(huán)和軸沒有剛性聯(lián)接，浮動(dòng)性很好。旋轉(zhuǎn)型機(jī)械密封的靜環(huán)防轉(zhuǎn)方法1）浮動(dòng)型靜環(huán)。在靜環(huán)尾端設(shè)一開口，防轉(zhuǎn)銷插入此開口，起到靜環(huán)防轉(zhuǎn)作用。該結(jié)構(gòu)簡(jiǎn)單，安裝方便，靜環(huán)的浮動(dòng)性好，得到***的應(yīng)用。按防轉(zhuǎn)銷安裝位置可分為徑向和軸向兩種（圖41），其中軸向防轉(zhuǎn)銷用的較多。這種結(jié)構(gòu)有個(gè)缺點(diǎn)。安德里茲泵用機(jī)械密封SAF-60A。陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE</p><p style="text-indent:25px">SE2-58-QREG-304081安德里茲泵用機(jī)械密封。陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE</p><p> 往往是由于密封工作環(huán)境的變化導(dǎo)致了密封的失效。因此密封系統(tǒng)的選擇應(yīng)更加受到重視。本文結(jié)合自身設(shè)計(jì)經(jīng)驗(yàn)以及通過與用戶交流所得到的現(xiàn)場(chǎng)使用經(jīng)驗(yàn)，對(duì)煉油裝置中幾種典型泵用機(jī)械密封及系統(tǒng)的選型進(jìn)行了分析[1-8]。01泵用機(jī)械密封選型要點(diǎn)美國(guó)石油協(xié)會(huì)API682(Pumps-ShaftSealingSystemsforCentrifugalandRotaryPumps)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(Flushplans)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。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。機(jī)械密封類別(Categories)的選擇API682中規(guī)定了三種密封類別，一類密封(Category1)用于非API610尺寸密封腔，且密封腔溫度為-40~260°C，密封腔壓力≤MPa(A)的場(chǎng)合，煉**業(yè)大多采用API610標(biāo)準(zhǔn)的泵，因此不建議采用此類密封。二類密封(Category2)用于滿足API610尺寸要求的密封腔，且密封腔溫度為-40~400°C，密封腔壓力≤MPa(A)的場(chǎng)合，此類密封在煉油廠中應(yīng)用**多，大多數(shù)烴類介質(zhì)應(yīng)用該類密封。三類密封。陽(yáng)江安德里茲泵用機(jī)械密封25-LP-D-S32-D20/60-DE</p></p><br /><p>文章來源地址: 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