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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>淮安液壓密封規(guī)格型號(hào),密封</p><p><span>***更新：</span>2020-12-11 13:13:42</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rfwi888" 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(huà): </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="bfhdzby" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b89jc3g" class="box"><p><p> 水泵的機(jī)械密封亦稱(chēng)端面密封,其有一對(duì)垂直于旋轉(zhuǎn)軸線的端面,該端面在流體壓力及補(bǔ)償機(jī)械外彈力的作用下,依賴(lài)輔助密封的配合與另一端保持貼合,并相對(duì)滑動(dòng),從而防止流體泄漏。 </p> <p> 一、機(jī)械密封常見(jiàn)的滲漏現(xiàn)象 </p> <p> 機(jī)械密封滲漏的比例占全部維修泵的50 %以上,機(jī)械密封的運(yùn)行好壞直接影響到水泵的正常運(yùn)行,現(xiàn)總結(jié)分析如下: </p> <p> 1.機(jī)械密封周期性滲漏 </p> <p> (1)防爆自吸泵轉(zhuǎn)子軸向竄動(dòng)量大,輔助密封與軸的過(guò)盈量大,動(dòng)環(huán)不能在軸上靈活移動(dòng)。在泵翻轉(zhuǎn),動(dòng)、靜環(huán)磨損后,得不到補(bǔ)償位移。 </p> <p> 對(duì)策:在裝配機(jī)械密封時(shí),軸的軸向竄動(dòng)量應(yīng)小于0.1mm ,輔助密封與軸的過(guò)盈量應(yīng)適中,在保證徑向密封的同時(shí),動(dòng)環(huán)裝配后保證能在軸上靈活移動(dòng)(把動(dòng)環(huán)壓向彈簧能自由地彈回來(lái))。 </p> <p> (2)密封面潤(rùn)滑油量不足引起干摩擦或拉毛密封端面。 </p> <p> 對(duì)策:油室腔內(nèi)潤(rùn)滑油面高度應(yīng)加到高于動(dòng)、靜環(huán)密封面。 </p> <p> (3)轉(zhuǎn)子周期性振動(dòng)，淮安液壓密封規(guī)格型號(hào)。原因是定子與上、下端蓋未對(duì)中或葉輪和主軸不平衡,汽蝕或軸承損壞(磨損) ,這種情況會(huì)縮短密封壽命和產(chǎn)生滲漏。 </p> <p> 對(duì)策:可根據(jù)維修標(biāo)準(zhǔn)來(lái)糾正上述問(wèn)題，淮安液壓密封規(guī)格型號(hào)。機(jī)械密封件及零部件、橡膠件、汽車(chē)零部件生產(chǎn)、銷(xiāo)售；機(jī)械科技領(lǐng)域內(nèi)的技術(shù)咨詢(xún)、開(kāi)發(fā)，淮安液壓密封規(guī)格型號(hào)、轉(zhuǎn)讓、服務(wù)?；窗惨簤好芊庖?guī)格型號(hào)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安液壓密封規(guī)格型號(hào),密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p style="text-indent:25px">盤(pán)根填料的分類(lèi)、組成和應(yīng)用由于工況條件的不同，盤(pán)根填料的種類(lèi)也非常的繁多。為了更好的區(qū)分和選用盤(pán)根，我們通常按盤(pán)根填料的主體密封基材的材質(zhì)將盤(pán)根填料分為：天然纖維類(lèi)盤(pán)根天然纖維類(lèi)主要有天然棉、麻、毛等為密封基材的盤(pán)根礦物纖維類(lèi)盤(pán)根礦物纖維類(lèi)盤(pán)根主要有石棉類(lèi)盤(pán)根等合成纖維類(lèi)盤(pán)根合成纖維類(lèi)盤(pán)根主要有：石墨類(lèi)盤(pán)根、碳纖維類(lèi)盤(pán)根、聚四氟乙烯類(lèi)盤(pán)根、Kevlar類(lèi)盤(pán)根、亞克力夾型纖維盤(pán)根等陶瓷和金屬纖維類(lèi)盤(pán)根陶瓷和金屬纖維盤(pán)根主要有：碳化硅盤(pán)根、碳化硼盤(pán)根、中堿玻璃纖維盤(pán)根等，由于單一的纖維材料都或多或少存在一些材料本身所具有的缺點(diǎn)，采用單一的纖維來(lái)編織盤(pán)根，由于盤(pán)根纖維間存在著空隙，容易也引起滲漏，同時(shí)有些纖維的自潤(rùn)滑性差，摩擦系數(shù)大，所以要浸漬一些潤(rùn)滑劑、填充劑及特種添加劑等。來(lái)提高填料的致密性和潤(rùn)滑性，如：混有石墨粉的礦物油或二硫化鉬潤(rùn)滑脂，還有滑石粉、云母、甘油、植物油等，還有浸漬聚四氟乙烯分散乳液，并在乳液中加以適量的表面活性劑和分散劑等。特種添加劑通常有鋅微粒、阻隔劑、鉬基緩蝕劑等等，來(lái)降低盤(pán)根填料對(duì)設(shè)備的腐蝕。江蘇重型密封廠家批發(fā)價(jià)格對(duì)于集裝式機(jī)械密封，出廠時(shí)已將機(jī)械密封壓縮量調(diào)整完畢，現(xiàn)場(chǎng)安裝時(shí)不允許解體機(jī)封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安液壓密封規(guī)格型號(hào),密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266834775390/3153455.jpg"></div><p style="text-indent:25px">無(wú)論何種密封，對(duì)密封件都有一個(gè)共同的要求，即：嚴(yán)密、泄漏量少；可靠、使用壽命長(zhǎng)；結(jié)構(gòu)簡(jiǎn)單而緊湊；維修方便；成本低；價(jià)格便宜；互換性好。對(duì)于化工解析密封來(lái)說(shuō)，泄漏量一般可控制在0.2～3mL；使用壽命一般可達(dá)一年以上。理論上大多數(shù)化工解析密封，當(dāng)磨損率較小且在流體動(dòng)力潤(rùn)滑條件下運(yùn)行時(shí)，則意味著密封應(yīng)該是永遠(yuǎn)耐用的，但實(shí)際并非如此，其原因通常在于存在著密封不可能克服的偶然工況，其中包括：化工解析密封的質(zhì)量存在問(wèn)題；人為誤差（機(jī)器運(yùn)行操作錯(cuò)誤）；安裝誤差；沖洗系統(tǒng)失效；</p><p> 機(jī)械密封安裝、使用技術(shù)要領(lǐng)： </p> <p> 安裝時(shí)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；設(shè)備的密封腔部位在安裝時(shí)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(wú)損，防止雜質(zhì)和灰塵帶入密封部位；在安裝過(guò)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；設(shè)備轉(zhuǎn)軸的勁向跳動(dòng)應(yīng)≤0.04毫米，軸向竄動(dòng)量不允許大于0.1毫米；安裝靜環(huán)壓蓋時(shí)，擰緊螺絲必須受力均勻，保證靜環(huán)端面與軸垂直求；安裝后用手推動(dòng)動(dòng)環(huán)，能使動(dòng)環(huán)在軸上靈活移動(dòng)，并有一定彈性；安裝后用手盤(pán)動(dòng)轉(zhuǎn)軸、轉(zhuǎn)軸應(yīng)無(wú)輕重感覺(jué)；設(shè)備在運(yùn)轉(zhuǎn)前必須充滿(mǎn)介質(zhì)，以防止干摩擦而使密封失效；對(duì)易結(jié)晶、顆粒介質(zhì)，對(duì)介質(zhì)溫度＞80℃時(shí)，應(yīng)采取相應(yīng)的沖洗、過(guò)濾、冷卻措施，各種輔助裝置請(qǐng)參照機(jī)械密封有關(guān)標(biāo)準(zhǔn)。密封零件、軸表面、密封腔體必須清洗干凈，并保證密封端面沖洗液管路暢通。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淮安液壓密封規(guī)格型號(hào),密封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245502635673828/8507158.jpg"></div><p> <p> 盤(pán)根填料的密封原理主要取決于迷宮效應(yīng)和軸承效應(yīng)。 </p> <p> 迷宮效應(yīng)：軸在微觀下表面非常的不平整，與盤(pán)根只能部分貼合，而部分未接觸，所以在盤(pán)根和軸之間著微小的間隙，像迷宮一樣，帶壓介質(zhì)在間隙中多次被節(jié)流，從而達(dá)到密封的作用。 </p> <p> 軸承效應(yīng)：在盤(pán)根填料和軸之間會(huì)存在著一層薄薄液膜，使盤(pán)根填料和軸類(lèi)似于滑動(dòng)軸承，起到了一定的潤(rùn)滑作用，從而避免了盤(pán)根和軸的過(guò)度磨損。 </p> <p> 盤(pán)根填料對(duì)材料的要求 </p> <p> 由于受密封介質(zhì)的溫度、壓力、PH，以及設(shè)備的線速度、表面粗糙度、同軸度、徑跳、偏心等因素，就要求盤(pán)根材料具有以下特點(diǎn)： </p> <p> 1、有一定的彈塑性 </p> <p> 2、化學(xué)穩(wěn)定性 </p> <p> 3、不滲透性 </p> <p> 4、自潤(rùn)滑性 </p> <p> 5、耐溫性 </p> <p> 6、拆裝方便 </p> <p> 7、制造簡(jiǎn)單，價(jià)格低廉。 </p> <p> 上述材料特性直接影響著盤(pán)根填料的密封性能和使用壽命，而能完全符合上述所有性能的材料很少，所以獲取質(zhì)量的密封材料和提高其材料性能，一直是密封領(lǐng)域研究的重點(diǎn)。 </p> </p> <p> <br /> 摩擦副所用的材料耐磨性差、摩擦系數(shù)大、端面比壓（包括彈簧比壓）過(guò)大等,都會(huì)縮短機(jī)械密封的使用壽命。浙江機(jī)械密封供應(yīng)商</p><p style="text-indent:25px">軸的旋轉(zhuǎn)使螺旋槽產(chǎn)生類(lèi)似于泵的輸送作用，從而阻止密封液的泄漏?；窗惨簤好芊庖?guī)格型號(hào)</p><p> 機(jī)械密封是一種依靠彈性元件對(duì)靜、動(dòng)環(huán)端面密封副的預(yù)緊和介質(zhì)壓力與彈性元件壓力的壓緊而達(dá)到密封的軸向端面密封裝置，故又稱(chēng)端面密封。 </p> <p> 其中動(dòng)環(huán)和靜環(huán)的端面組成一對(duì)摩擦副，動(dòng)環(huán)靠密封室中液體的壓力和彈性元件的推力使其壓緊在靜環(huán)端面上，并在兩環(huán)端面上產(chǎn)生適當(dāng)?shù)谋葔汉捅３忠粚訕O薄的液體膜而達(dá)到密封的目的。 </p> <p> 機(jī)械密封被廣泛應(yīng)用于工業(yè)泵產(chǎn)品中，尤其在石油化工領(lǐng)域內(nèi)的存在易燃、易爆、易揮發(fā)、劇毒等介質(zhì)場(chǎng)所，在國(guó)內(nèi)選煤、選礦行業(yè)中泵上的應(yīng)用也越來(lái)越普遍。 </p> <p> 其主要有以下優(yōu)點(diǎn)： </p> <p> ⑴.密封效果好，可達(dá)到介質(zhì)無(wú)泄露; </p> <p> ⑵.壽命長(zhǎng)，在普通泵中一般可運(yùn)行1~2年或更長(zhǎng)時(shí)間;MAAG泵的機(jī)械密封在正常使用中壽命可達(dá)5~10年以上; </p> <p> ⑶.對(duì)軸(或軸套)無(wú)磨損; </p> <p> ⑷.適用范圍廣，可在目前常用介質(zhì)、轉(zhuǎn)速、溫度、壓力及軸徑條件下使用; 淮安液壓密封規(guī)格型號(hào)</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司是一家漣水創(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(lái)料加工（塑料機(jī)械密封件除外）、銷(xiāo)售；機(jī)械配件、汽車(chē)配件銷(xiāo)售；自營(yíng)和代理各類(lèi)商品及技術(shù)的進(jìn)出口業(yè)務(wù)，的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷(xiāo)售為一體的專(zhuān)業(yè)化公司。創(chuàng)密機(jī)械制造擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專(zhuān)業(yè)研發(fā)團(tuán)隊(duì)，以高度的專(zhuān)注和執(zhí)著為客戶(hù)提供輕型密封，中型密封，重型密封，小型水泵。創(chuàng)密機(jī)械制造繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。創(chuàng)密機(jī)械制造始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2361833.html</p></div></div></div></div></div><div id="qxoactv" class="page-right twoColRt"><div id="hw2cy83" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eyaskr8" class="recomPic likePro"><a 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