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</span><div id="ylnu3hz" class="searchbox"><div id="vephjqi" class="searchLt"><div id="o2h8gqc" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="eub8jgi" class="clearfix searchWrap"><div id="wu3a2kr" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="lolarya" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a 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class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503162724609/640384.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="smjgdkm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503162724609/640384.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="r32k4p8" 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>浙江容積泵密封哪家比較好,封</p><p><span>***更新：</span>2020-09-23 14:21:41</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="qjb82lf" 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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="cgiaxe3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3mgx7nu" class="box"><p><p> <span style="font-size:12px;">安裝機(jī)械密封部位的軸（或軸套）的徑向跳動(dòng)公差比較大不超過(guò)0.04～0.06mm。</span> </p> <p> 轉(zhuǎn)子軸向竄動(dòng)不超過(guò)0.3mm。 </p> <p> <span style="font-size:12px;">密封腔體與密封端蓋結(jié)合的定位端面對(duì)軸（或軸套）表面的跳動(dòng)公差比較大不超過(guò)0.04～0.06mm。</span> </p> <p> <span style="font-size:12px;"> 密封件的確認(rèn)</span> </p> <p> 確認(rèn)所安裝的密封是否與要求的型號(hào)一致。 </p> <p> 安裝前要仔細(xì)地與總裝圖對(duì)照，零件數(shù)量是否齊全。 </p> <p> 采用并圈彈簧傳動(dòng)的機(jī)械密封，其彈簧有左、右旋之分，須按轉(zhuǎn)軸的旋向來(lái)選擇。 </p> <p> <span style="font-size:12px;"> 安裝</span> </p> <p> 安裝方法隨機(jī)械密封型式、機(jī)器的種類(lèi)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(xiàng)如下： </p> <p> <span style="font-size:12px;">安裝尺寸的確定</span> </p> <p> 安裝時(shí)，應(yīng)按產(chǎn)品的使用說(shuō)明書(shū)或樣本，保證機(jī)械密封的安裝尺寸。 </p> <p> <span style="font-size:12px;">裝入前，軸（軸套）、壓蓋應(yīng)無(wú)毛刺，浙江容積泵密封哪家比較好，軸承狀況良好；密封件、軸、密封腔、壓蓋都應(yīng)該清洗干凈。</span> </p> <p> 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(rùn)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(xiāo)的結(jié)構(gòu)，不宜涂油，應(yīng)干式裝入壓蓋。 </p> <p> <span style="font-size:12px;">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，浙江容積泵密封哪家比較好。彈簧座或傳動(dòng)座的緊定螺釘應(yīng)分幾次均勻擰緊，浙江容積泵密封哪家比較好。</span> </p> <p> 在未固定壓蓋之前，用手推補(bǔ)償環(huán)作軸向壓縮，松開(kāi)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。 O形密封圈雖然密封可靠，但如果不注意使用條件，也會(huì)發(fā)生泄漏。浙江容積泵密封哪家比較好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江容積泵密封哪家比較好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637245503162724609/640384.jpg"></div><p> 低溫輕烴泵用機(jī)械密封 </p> <p> 多彈簧機(jī)械密封采用靜止結(jié)構(gòu)。 </p> <p> 采取增加非補(bǔ)償環(huán)尾部長(zhǎng)度和采用副后蓋結(jié)構(gòu)等措施，增加輕烴泵機(jī)械密封的抗抽空能力。 </p> <p> 采用靜環(huán)背冷措施。 </p> <p> 對(duì)介質(zhì)易汽化的輕烴泵軸封我們?cè)鲈O(shè)背部冷卻,在軸封正常操作時(shí),可對(duì)端面溫度進(jìn)行調(diào)節(jié),使相變半徑靠近內(nèi)徑,增大液膜比例。在泵抽空時(shí),由于端面溫度降低,使閃蒸壓力降低,對(duì)防止端面分離有積極作用。 </p> <p> 摩擦副材料的選取。 </p> <p> 對(duì)摩擦副材料的選取我們采用“SiC-C”結(jié)構(gòu)。輔助密封材料選擇耐低溫的硅橡膠材料。 </p> <p> 采用自沖洗措施。 </p> <p> 通過(guò)沖洗來(lái)提高密封腔壓力以防止抽空造成的密封干摩擦。自沖洗措施不僅可保證密封腔內(nèi)有較高的介質(zhì)壓力,避免介質(zhì)在密封腔內(nèi)汽化或氣體積聚,而且還可把摩擦副產(chǎn)生的摩擦熱及時(shí)帶走,有效控制密封端面溫升,增大液相面積,改善摩擦狀態(tài)。浙江容積泵密封哪家比較好操作中，因抽空、氣蝕、憋壓等異常現(xiàn)象，引起較大的軸向力，使動(dòng)、靜環(huán)接觸面分離。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江容積泵密封哪家比較好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295161962890/6395142.jpg"></div><p> 離心泵口環(huán)一般指葉輪口環(huán)，是安裝在水泵葉輪和泵體之間的一個(gè)環(huán)狀金屬圈， </p> <p> <span style="font-size:12px;"> 口環(huán)，也叫耐磨環(huán)。其主要作用是防止出口端介質(zhì)倒流回進(jìn)口端介質(zhì)也就是密封作用（因此有“密封環(huán)”這一名稱(chēng)）；同時(shí)也起耐磨作用，避免葉輪和泵殼直接接觸損壞，有保護(hù)葉輪的作用（因此有“耐磨環(huán)”這一名稱(chēng)）。</span> </p> <p> <span style="font-size:12px;">離心泵口環(huán)，一般水泵的級(jí)數(shù)與口環(huán)的數(shù)量是一樣的，也就是說(shuō)一個(gè)5級(jí)的水泵，那么口環(huán)也就有5個(gè)，一個(gè)首口環(huán)，4個(gè)口環(huán)。</span> </p> <p> <span style="font-size:12px;">多級(jí)離心泵口環(huán)的作用是在葉輪與泵殼間形成狹窄、曲折的通道，來(lái)增加介質(zhì)的流動(dòng)阻力，達(dá)到減少介質(zhì)泄漏的目的。離心泵口環(huán)的設(shè)置還起到保護(hù)泵上主要零件不受磨損的作用(公眾號(hào):泵管家)，在口環(huán)磨損后，可以修復(fù)或更換新環(huán)、恢復(fù)正常裝配間隙，這樣既經(jīng)濟(jì)又便于檢修。</span> </p> <p> <span style="font-size:12px;">口環(huán)間隙大會(huì)將低泵的使用效率，經(jīng)過(guò)泵加壓的流體會(huì)過(guò)多的從泵出口區(qū)域沿葉輪與口環(huán)的間隙返回到進(jìn)口，從而降低了泵的使用效率，同時(shí)由于流量的加大，會(huì)使口環(huán)過(guò)早的被磨損。口環(huán)間隙過(guò)大，會(huì)導(dǎo)致泵的流量降低，嚴(yán)重時(shí)不上量。 </span> </p> <p> <span style="font-size:12px;">離心泵口環(huán)的完好性及它與葉輪問(wèn)徑向間隙含，在拆卸泵時(shí)應(yīng)首先檢查。如離心泵口環(huán)已有溝槽等缺損或已破裂或間隙艿超過(guò)表5中所規(guī)定的數(shù)值時(shí)，應(yīng)更換新口環(huán)或?qū)⒃诃h(huán)補(bǔ)焊修復(fù)。</span> </p> <p> <br /> </p> <p> <br /> </p><p> 正確選擇機(jī)械密封是防止液泵泄漏關(guān)鍵 </p> <p> <br /> </p> <p> 100多年來(lái)，人們采用填料一類(lèi)的多種密封材料，使液體從液泵殼體沿著主軸的向外泄漏量不斷減少。盡管現(xiàn)代工藝流程中采用的液泵，仍然較大程度地沿用**古老的密封設(shè)計(jì)——填料盒，因?yàn)槠淦鸩劫M(fèi)用低，而且又為工廠(chǎng)的工作人員所熟悉。 </p> <p> 然而，由于環(huán)境問(wèn)題的關(guān)系，采用填料密封的方法已逐漸不能被人們所接受，特別是針對(duì)現(xiàn)代工藝流程中比較普遍的、腐蝕性較強(qiáng)的液體而言。因此，在實(shí)際應(yīng)用中，以機(jī)械密封代替填料密封的情況越來(lái)越多。 </p> <p> <br /> 機(jī)械密封的密封面要有一定的比壓，從而達(dá)到密封的目的，兩端面的緊密緊密程度可以通過(guò)彈簧調(diào)節(jié)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江容積泵密封哪家比較好,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p> 在煤制油化工裝置中，存在許多有害、易燃、易爆介質(zhì)，如甲醇、乙烯、硫化氫一氧化碳、輕烴等。機(jī)泵輸送此類(lèi)介質(zhì)對(duì)密封要求較高，按照現(xiàn)代的管理要求，不允許泄露。 </p> <p> 目前，使用技術(shù)一般有三類(lèi)，采用無(wú)泄漏泵如屏蔽泵、磁力泵、隔膜泵等，對(duì)于必須使用離心泵時(shí)，采用雙重機(jī)械密封或干氣密封?；旧洗蟛糠诌m用雙封的場(chǎng)合都可以使用干氣密封，在技術(shù)上來(lái)講都是可行的。 </p> <p> 那么雙重密封與干氣密封，哪個(gè)更好，常常困擾許多使用者。本文以神華某煤化工項(xiàng)目?jī)艋b置煤化工凈化裝置主洗泵為例，對(duì)雙重密封和干氣密封進(jìn)行一下簡(jiǎn)單的對(duì)比，希望能為更多在此領(lǐng)域的用戶(hù)提供選擇的參考。 </p> <p> <br /> 泵的密封對(duì)整個(gè)設(shè)備運(yùn)轉(zhuǎn)來(lái)說(shuō)起著重要的作用，泵的密封系統(tǒng)泄漏將會(huì)嚴(yán)重影響到設(shè)備的正常運(yùn)轉(zhuǎn)。浙江管道泵密封廠(chǎng)家推薦</p><p style="text-indent:25px">機(jī)械密封的正常運(yùn)行必須具備以下條件：機(jī)械密封的泵軸撓度要小，加上機(jī)械密封自身性能，才能達(dá)到密封效果。浙江容積泵密封哪家比較好</p><p> 高溫?zé)崴靡话銥榻橘|(zhì)溫度高于100 °C，在密封突然失效泄漏之后會(huì)噴出大量蒸汽，對(duì)人體造成傷害。主要為鍋爐給水泵、循環(huán)水泵、凝結(jié)水泵等。 </p> <p> 為了不因選用串聯(lián)密封而增加成本，又能使高溫?zé)崴冒踩煽窟\(yùn)行，建議選用單端面機(jī)械密封，沖洗方案可以選擇PLAN23+62。PLAN62 所通急冷液直接從23 冷卻器后引旁路連接至密封急冷口，具體流程見(jiàn)圖3 所示?？梢钥闯?，通過(guò)此種布置方式， PLAN62 不需要額外的配管將循環(huán)水引入密封急冷口，又能起到在密封失效時(shí)降低介質(zhì)溫度，從而避免對(duì)人員的傷害，對(duì)系統(tǒng)加以保護(hù)。 </p> <p> <br /> 浙江容積泵密封哪家比較好</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下輕型密封，中型密封，重型密封，小型水泵深受客戶(hù)的喜愛(ài)。公司秉持誠(chéng)信為本的經(jīng)營(yíng)理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1390016.html</p></div></div></div></div></div><div id="gaskhtv" class="page-right twoColRt"><div id="dn2ihta" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ti2nmip" 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" 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