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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_mifengjian/">密封件</a>?<a href="http://www.cdcfah.com/cp/third-mifengjian_jmf/">機(jī)械密封</a>?青?；け糜脵C(jī)械密封安裝伊格爾博格曼機(jī)械密封供應(yīng)</p><div id="osueaht" class="leftbox clearfix"><h1>青?；け糜脵C(jī)械密封安裝伊格爾博格曼機(jī)械密封供應(yīng)</h1><div id="rvsphjl" class="proBig"><div id="fp7jokw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cwoaxzl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jnufct2" 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>青?；け糜脵C(jī)械密封安裝,泵用機(jī)械密封</p><p><span>***更新：</span>2021-01-22 05:13:45</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="ae83ivz" 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="vkcj7sh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vubikb7" class="box"><p><p> 因此必然存在磨擦和磨損問題。而磨擦和磨損的大小，主要決定于填料壓蓋的壓緊力。壓力大可提高密封效果，青?；け糜脵C(jī)械密封安裝，但卻會加大動力消耗和軸套的磨損，反之則會產(chǎn)生較大泄漏。因此應(yīng)根據(jù)泄漏量大小和泄漏介質(zhì)的溫度對壓蓋的壓緊力進(jìn)行調(diào)整，必要時應(yīng)對填料進(jìn)行更換或補(bǔ)充。填料密封的合理泄漏一般為10-20ml/min。當(dāng)從外界引入液體時，應(yīng)保證這種液體有良好的化學(xué)穩(wěn)定性，既不污染泵所輸送的介質(zhì)，又不與介質(zhì)發(fā)生反應(yīng)產(chǎn)生沉淀物和固體微粒，還應(yīng)與填料有良好的浸漬性和持久的保持性，這樣就能起到良好和持久的密封效果。動力密封副葉輪加停車密封泵在運(yùn)轉(zhuǎn)時，副葉輪所產(chǎn)生的壓頭平衡了主葉輪出口高壓液體，從而實現(xiàn)密封。停車時，副葉輪不起作用，因此必須同時配備停車密封裝置解決停車時可能產(chǎn)生的泄漏。副葉輪密封結(jié)構(gòu)簡單、密封可靠、使用壽命長，運(yùn)轉(zhuǎn)中可實現(xiàn)滴水不漏，因此在輸送含雜質(zhì)介質(zhì)的泵上經(jīng)常采用。副葉輪良好的密封效果是有條件的，即工作壓力不允許超過允許的工作壓力。一旦超過，會產(chǎn)生嚴(yán)重的泄漏。工作壓力變化的主要原因是泵吸入口的壓力變化，青海化工泵用機(jī)械密封安裝，因此采用副葉輪密封的泵，必須對泵的進(jìn)口壓力做出嚴(yán)格的規(guī)定，青?；け糜脵C(jī)械密封安裝，否則密封便會失效。由于停車密封的形式很多。延安格蘭富泵用機(jī)械密封泄露。青?；け糜脵C(jī)械密封安裝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青?；け糜脵C(jī)械密封安裝,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.png"></div><p> 氣體不會在泵的中部滯留·(5)無軸的彎曲問題，軸封可遠(yuǎn)離泵體，減少熱的影響。電機(jī)安裝架為遮風(fēng)結(jié)構(gòu)，所以電機(jī)的溫升對泵幾乎沒有影響。(6)泵殼埋于地下，易于保冷.所以，石油液化氣用的低溫泵常用以上這種結(jié)構(gòu).2.低溫甲烷泵機(jī)械密封甲烷液化氣在-99℃時的蒸汽壓接近3MPa.乙烯裝置脫甲烷塔底泵在-53℃時出口壓力近似3MPa，采用雙端面串聯(lián)式機(jī)械密封，它是比拉公司BB81-K7+BB81B-S7型，尺寸為45x39與50x45(圖10-20)。耐腐蝕機(jī)械密封在腐蝕性介質(zhì)中，機(jī)械密封的零件受到介質(zhì)的強(qiáng)烈侵蝕，摩擦面同時受到.腐蝕和磨損，這種現(xiàn)象稱為“磨蝕“，其腐蝕速度約為無摩擦?xí)r的10~50倍.某些結(jié)構(gòu)材料具有優(yōu)良的耐蝕性能，耐磨性能卻較差;而另一些結(jié)構(gòu)材料雖具有良好的耐磨性，耐蝕性卻很差.因此，摩擦副應(yīng)選擇既要耐腐蝕又要耐磨，輔助密封圈、彈擠和結(jié)構(gòu)件也要有良好的耐蝕性能.在設(shè)計耐腐蝕機(jī)械密封時，一般采取以下一些措施:1.結(jié)構(gòu)上的隔離措施采用外裝式結(jié)構(gòu)，經(jīng)過適當(dāng)?shù)倪x擇，外裝式密封可以做到無金屬件與工藝介質(zhì)接觸，小的零件如彈簧、銷子可不受工藝介質(zhì)腐蝕.外裝式有普通型機(jī)械密封和波紋管型機(jī)械密封兩種，’以波紋管型密封結(jié)構(gòu)較好(圖10-21).如密封件材質(zhì)耐蝕能力許可。聊城泵用機(jī)械密封件廠家山西循環(huán)泵用機(jī)械密封型號。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青?；け糜脵C(jī)械密封安裝,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990586083984/8203619.png"></div><p> 普通油封的使用壓力一般不超過。當(dāng)工作壓力超過這個值時應(yīng)選用耐壓型油封。在同一直徑條件下，不同材料制造的油封，適應(yīng)軸面旋轉(zhuǎn)線速度的能力不同。油封使用的線速度范圍一般小于15m/s。油封的工作范圍與油封使用的材料有關(guān)：材料為丁腈橡膠(NBR)時為-40~120℃，亞力克橡膠(ACM)-30~180℃，氟橡膠(FPM)-25~300℃。七、對應(yīng)軸及腔體的設(shè)計要求軸的設(shè)計：1、表面粗糙度，由于軸的速度與油量不同，一般軸的粗糙度過大或過小，都會影響到油封的泄漏與磨損。軸的表面粗糙度容許范圍為～μm；～μm。對旋轉(zhuǎn)軸用油封取～μmRz。2、硬度，旋轉(zhuǎn)軸的表面硬度一般取≥35HRC。當(dāng)介質(zhì)較臟，有來自外界的污染雜質(zhì)，或軸表速度>12m/s時，軸表面硬度應(yīng)為55HRC以上，軸表面淬火層深度>。3、軸的倒角，推薦值15°~30°，以能讓油封確實裝入，不損傷油封唇緣為原則。4、軸的加工，正確的軸加工是保證密封系統(tǒng)正常工作的決定性因素，適宜的油封軸加工方法是橫向給進(jìn)精研磨，金剛砂紙磨光。不適宜的加工方法是在車床上精加工，超精加工，滾光加工，金剛砂紙磨光（砂紙在軸向移動磨光）。5、軸的材料，主要是普通碳素結(jié)構(gòu)鋼，如C35和C45，另外還有鑄鐵，陶瓷類，樹脂塑料。</p><p> 在有的國家已成為主要的軸封方式。國內(nèi)的焊接金屬波紋管密封質(zhì)量不夠穩(wěn)定，其主要原因是制造金屬波紋管的材料欠佳，大都用181型不銹鋼制造。這種材料耐腐蝕，但強(qiáng)度和彈性較差，特別是在高溫下，使用一段時間后出現(xiàn)“失彈”。國外大都用AM350制造，這是一種沉淀硬化不銹鋼，高溫下仍有足夠的強(qiáng)度和彈性，先彈的機(jī)會較少。但是，經(jīng)過長期使約后也暴露了一些缺陷，在波片的焊縫附近開裂。究其原因是在受壓狀態(tài)下。一軸向斷面上各處應(yīng)力分布不均勻，有較嚴(yán)重的應(yīng)力集中現(xiàn)象，從而降低了使用壽命?，F(xiàn)有的焊接金屬波紋管其斷面的內(nèi)外緣處（或稱波谷和波峰）、幾何形狀和尺寸是相同的，故也稱為“對稱型”波紋管。它具有上述缺陷，為克服此缺陷，出現(xiàn)了“非對稱型”波紋管。所謂非對稱型波紋管是波谷（內(nèi)緣處）和波峰（外緣處）購肉率半徑不同，波峰大于波谷。在介質(zhì)壓力作用下，迫使其向低壓側(cè)變形，工作時斷面形狀趨于對稱，應(yīng)力趨于均勻（圖44）。同時由于采用了特殊結(jié)構(gòu)的波紋管，焊縫長度**縮短。據(jù)國外資料介紹一種13/4英寸的T15WTO型密封，焊縫總長度超過4000mm，而同樣尺寸的非對稱型波紋管密封，焊縫長度*87mm，使密封的可靠性**提高，密封能力提高30%。遵義渣漿泵用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青海化工泵用機(jī)械密封安裝,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990697626953/3923738.png"></div><p> 葉輪能方便軸向調(diào)節(jié)保持葉輪與前蓋板與耐磨板的間隙，從而保持泵的高效率。這是始終保持泵高效運(yùn)行的簡便和有效的辦法。（4）泵的布臵形式為“后拉式”結(jié)構(gòu)。這樣可使泵在拆卸葉輪、機(jī)械密封和軸組件時無須拆卸泵的進(jìn)出口管線。（5）軸承采用稀油潤滑。軸承安裝在有橡膠密封圈輔助密封的可拆卸軸承盒內(nèi)，防止污物和水進(jìn)入。（6）泵軸為大直徑、短軸頭，可以減少軸在工作中的撓曲，從而延長密封的使用壽命?！翱偸觯罕忱鍪皆O(shè)計整套轉(zhuǎn)子部件可以從電機(jī)端拉出，易于維護(hù)，泵體可保留在管路上，無需拆卸電機(jī)。軸承支架可調(diào)節(jié),提高耐磨性能,軸承采用浸油潤滑。泵體：泵體尺寸足夠承壓及耐磨，材料采用2605N，可焊，蝸舌部分特殊耐磨處理，流道切線出口，泵體設(shè)臵底腳支承方式。耐磨板：該零件裝在泵體與進(jìn)口之間，材料為Cr30A，此種材料具有優(yōu)良的抗磨蝕及耐沖蝕綜合性能，由此而延長了泵體和葉輪的使用壽命?！蔽覀兌贾烂摿虮檬蔷哂心透g性能的泵，主要用于具有腐蝕性液體的輸送。那具體來說，它能應(yīng)用在哪些領(lǐng)域呢？1、硫酸磷肥業(yè)：稀酸、母液、污水、海水、含硅膠的氟硅酸，磷酸料漿等介質(zhì)的輸送。延安化工泵用機(jī)械密封選型。營口管道泵用機(jī)械密封</p><p style="text-indent:25px">天津格蘭富泵用機(jī)械密封型號。青?；け糜脵C(jī)械密封安裝</p><p> 可用于高壓工況。無軸套有效保護(hù)機(jī)泵：焊接波紋管機(jī)械密封因沒有O型環(huán)，不需要安裝軸套，所以不會發(fā)生O型環(huán)的磨蝕引起的軸或軸套的磨損，從而起到保護(hù)泵走的作用適用于腐蝕性流體：只要選用耐腐蝕性高的哈氏合金276等材料制造焊接波紋管同樣避免了彈簧和O型環(huán)的腐蝕問題，有效實現(xiàn)密封。不會發(fā)生懸掛泄漏：普通的推環(huán)式機(jī)械密封，泄漏出來的微量流體遇空氣會固化沉積，阻止O型動環(huán)的前進(jìn)，使密封端面的貼合力變?nèi)趸蛳?，從而?dǎo)致泄漏。相反焊接波紋管機(jī)械密封沒有O型環(huán)圈，即使有固化，影響也不大，仍可安穩(wěn)地旋轉(zhuǎn)，故適用壽命較長。具有螺紋泵送作用：波紋管本身具有螺紋泵送作用，可有效對應(yīng)含固體顆粒的流體，并有助于沖洗。機(jī)械密封與填料密封對比：與填料密封相比，機(jī)械密封具有密封性能可靠、泄漏量小、壽命長等優(yōu)點?？捎糜诟鞣N不同粘度、強(qiáng)腐蝕性和含顆粒的介質(zhì)。機(jī)械密封適用于輸送石油及化工介質(zhì)。但是機(jī)械密封價格貴，加工安裝維修保養(yǎng)比一般密封要求高。填料密封結(jié)構(gòu)簡單、價格便宜、維修方便，但泄漏量大、功率損失大。因此，填料密封用于輸送一般介質(zhì)，如水；不適用于石油及化工介質(zhì)，特別是不能用在貴重、易爆和有毒介質(zhì)中。青?；け糜脵C(jī)械密封安裝</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2955592.html</p></div></div></div></div></div><div id="kxj2sz4" class="page-right twoColRt"><div id="3fc7r8r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rgiu7q8" class="recomPic likePro"><a 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