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clearfix"><h1>蘇州葉輪泵密封規(guī)格型號(hào) 和諧共贏漣水創(chuàng)密機(jī)械供應(yīng)</h1><div id="gf38dvs" class="proBig"><div id="xm24mtq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fpbluvs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="akcjb3g" 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>蘇州葉輪泵密封規(guī)格型號(hào)</p><p><span>***更新：</span>2020-06-24 22:28:54</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="xm2k8su" 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="pebovxu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3jgnkry" class="box"><p><p> 結(jié)合設(shè)計(jì)經(jīng)驗(yàn)以及對(duì)API 682標(biāo)準(zhǔn)的研究，對(duì)泵用機(jī)械密封的選型要點(diǎn)進(jìn)行了分析，主要包括密封類型、密封形式、布置方式、沖洗方案等。進(jìn)而對(duì)煉油裝置中的高溫?zé)嵊捅?、高溫?zé)崴靡约皬?qiáng)酸強(qiáng)堿泵機(jī)械密封及輔助系統(tǒng)的選型提出了合理化建議，蘇州葉輪泵密封規(guī)格型號(hào)，對(duì)API 682中的PLAN53B和PLAN23進(jìn)行了改進(jìn)，使之更好地為機(jī)械密封服務(wù)，有利于機(jī)械密封長(zhǎng)期穩(wěn)定運(yùn)行。 </p> <p> 由于機(jī)械密封具有密封性能好、工作可靠、泄漏量小、功率消耗少等特點(diǎn)，因而在國(guó)內(nèi)外煉油化工生產(chǎn)的旋轉(zhuǎn)設(shè)備中得到了較大規(guī)模的應(yīng)用，已經(jīng)成為泵、壓縮機(jī)、反應(yīng)釜、攪拌器等工藝設(shè)備能否正常運(yùn)轉(zhuǎn)的關(guān)鍵部件。 </p> <p> 隨著環(huán)境保護(hù)和人類健康要求的提高，蘇州葉輪泵密封規(guī)格型號(hào)，煉油裝置中對(duì)泵用機(jī)械密封的要求也在不斷提高，蘇州葉輪泵密封規(guī)格型號(hào)。據(jù)統(tǒng)計(jì)，煉油裝置中機(jī)泵故障的40% 以上是由于機(jī)械密封發(fā)生泄漏而引起的。造成這一現(xiàn)象的原因，一是作為機(jī)泵中的動(dòng)密封其本身所處的工作條件、起的作用所決定；二是許多國(guó)內(nèi)設(shè)計(jì)單位以及工程公司認(rèn)為機(jī)械密封及系統(tǒng)的選用是泵廠和密封廠的責(zé)任，往往對(duì)密封的類型、布置方式、沖洗方案了解不深，難以制定機(jī)械密封的選配方案，造成部分密封選型不當(dāng)。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州葉輪泵密封規(guī)格型號(hào)" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503105126953/1175882.jpg"></div><p> 填料密封的原理 </p> <p> 在機(jī)械行業(yè)中填料密封主要用作動(dòng)密封,常用作離心泵、壓縮機(jī)、真空泵、攪拌機(jī)的轉(zhuǎn)軸密封。填料裝入填料腔以后,經(jīng)壓蓋螺絲對(duì)它作軸向壓縮,當(dāng)軸與填料有相對(duì)運(yùn)動(dòng)時(shí),由于填料的塑性,使它產(chǎn)生徑向力,并與軸緊密接觸。與此同時(shí),填料中浸漬的潤(rùn)滑劑被擠出,在接觸面之間形成油膜。由于接觸狀態(tài)并不是特別均勻的,接觸部位便出現(xiàn) </p> <p> 邊界潤(rùn)滑狀態(tài),稱為”軸承效應(yīng)”;而未接觸的凹部形成小油槽,有較厚的油膜,接觸部位與非接觸部位組成一道不規(guī)則的迷宮,起阻止液流泄漏的作用,此稱”迷宮效應(yīng)”。這就是填料密封的機(jī)理。良好的密封在于維持“軸承效應(yīng)”和”迷宮效應(yīng)”。也就是說(shuō),要保持良好的潤(rùn)滑和適當(dāng)?shù)膲壕o，若潤(rùn)滑不良,或壓得過緊都會(huì)使油膜中斷,造成填料與軸之間出現(xiàn)干摩擦,而后導(dǎo)致燒軸和出現(xiàn)嚴(yán)重磨損。因此,我們需要經(jīng)常對(duì)填料的壓緊程度進(jìn)行調(diào)節(jié),使填料中的潤(rùn)滑劑在運(yùn)行一段時(shí)間而有所流失之后,再擠出一些潤(rùn)滑劑,同時(shí)補(bǔ)償填料因體積變化所造成的壓緊力松弛。當(dāng)然這樣經(jīng)常擠壓填料,而后將使浸漬劑枯竭,所以定期更換填料是必要的。此外,為了維持液膜和帶走摩擦熱,有意讓填料處有少量泄漏也是必要的。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州葉輪泵密封規(guī)格型號(hào)" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295161962890/6395142.jpg"></div><p> 為了使密封面之間始終保持互相配合，彈簧起到了機(jī)械密封與運(yùn)動(dòng)主軸之間的恒定調(diào)節(jié)作用。當(dāng)旋轉(zhuǎn)面和主軸之間采用人造橡膠密封時(shí)，該彈性體就會(huì)在主軸上來(lái)回運(yùn)動(dòng)。這種重復(fù)摩擦動(dòng)作，會(huì)磨蝕主軸上的防腐材料，失去主軸的氧化膜保護(hù)層，**終會(huì)在主軸的摩擦面上形成磨損溝槽，造成液體從溝槽中泄漏，并增加必要的維修工作量或甚至更換主軸。為了解決這一問題，一般在填料盒內(nèi)安裝一個(gè)可更換的軸套。 </p> <p> 然而，解決腐蝕磨損問題的長(zhǎng)久辦法是去除其內(nèi)部的動(dòng)態(tài)密封?，F(xiàn)在，大部分主要密封制造廠生產(chǎn)非腐蝕磨損型密封，以防止液泵零件的腐蝕磨損。 </p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/379947.html</p></div></div></div></div></div><div id="lacz8r2" class="page-right twoColRt"><div id="lax7byk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvnpbsp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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