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id="3cegy8m" 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>南通容積泵密封,封</p><p><span>***更新：</span>2020-08-14 11:15:28</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="d87by2u" 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: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟產(chǎn)業(yè)園</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="dlxz22u" class="page-proshow02"><p class="title">詳細說明</p><div id="xgya2el" class="box"><p><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。機泵輸送此類介質(zhì)對密封要求較高，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，采用無泄漏泵如屏蔽泵、磁力泵、隔膜泵等，對于必須使用離心泵時，采用雙重機械密封或干氣密封。基本上大部分適用雙封的場合都可以使用干氣密封，在技術(shù)上來講都是可行的。 </p> <p> 那么雙重密封與干氣密封，哪個更好，南通容積泵密封，常常困擾許多使用者。本文以神華某煤化工項目凈化裝置煤化工凈化裝置主洗泵為例，南通容積泵密封，南通容積泵密封，對雙重密封和干氣密封進行一下簡單的對比，希望能為更多在此領(lǐng)域的用戶提供選擇的參考。 </p> <p> <br /> 機械密封的輔助沖洗系統(tǒng)是非常重要的，它可以有效的保護密封面，起到冷卻、潤滑、沖走雜物等作用。南通容積泵密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通容積泵密封,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg"></div><p> 防止工作介質(zhì)從泵內(nèi)泄漏出來或者防止外界雜質(zhì)或空氣侵入到泵內(nèi)部的裝置或措施稱為密封，被密封的介質(zhì)一般為液體、氣體或粉塵。 </p> <p> 造成泄漏的原因主要有兩個方面：一是密封面上有間隙。二是密封部位兩側(cè)存在壓力差，消除或減小任何一個因素都可以阻止或減小泄漏，達到密封的目的。泵的設(shè)計壓力和使用壓力是客觀存在不能減小，所以泵的密封該解決的是消除或減小密封面之間的間隙。這種間隙包括密封面之間的間隙和密封裝置本生內(nèi)部的間隙。 </p> <p> <br /> 蘇州葉輪泵密封廠家供應(yīng)根據(jù)安裝密封的有效空間，確定采用多彈簧或單彈簧或波形彈簧，內(nèi)裝式或外裝式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通容積泵密封,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 化工泵(不銹鋼材質(zhì))用于石油，化工，冶金，合成纖維，制藥，食品，合成纖維等部門用于輸送堿性腐蝕介質(zhì)；化工泵(氟塑料材質(zhì))使用于輸送任何酸性，堿性腐蝕性介質(zhì)；化工泵(鑄鐵材質(zhì))用于工業(yè)，城市給水，排水，亦可用于農(nóng)田，果園排灌，供輸送清水或物理及化學(xué)性質(zhì)類似清水的其他液體之用?；け妹芊庑问街饕?油封密封，墊片密封，螺紋密封，迷宮密封，填料密封和動力密封。 </p> <p> 化工泵在與運轉(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)生的化工泵泄漏。副葉輪密封結(jié)構(gòu)簡單，密封可靠，使用壽命長，化工泵運轉(zhuǎn)中可實現(xiàn)滴水不漏，因此在化工泵輸送含雜質(zhì)介質(zhì)的泵上經(jīng)常采用。 </p><p> 給水泵內(nèi)的高壓水雖經(jīng)過密封件，但依然有一定的壓力，為了不讓給水泵內(nèi)的水通過軸與密封件之間的間隙外泄，就從凝結(jié)水泵出口或除鹽水母管引以水源為密封水。 </p> <p> 給水泵內(nèi)的水是具有一定溫度的水，高溫水會通過泵的轉(zhuǎn)軸或泵體金屬把熱量傳遞給軸承，使軸承溫度升高。為了控制熱量外傳，所以密封水也起著冷卻的作用。 </p> <p> 在密封水通過密封件時，水在軸與密封件之間形成水膜，防止在此處軸與密封件之間的間隙外泄，造成大量的工質(zhì)損失；同時高溫給水會通過泵軸和泵體金屬把熱量傳遞給軸承使軸承溫度升高。嚴重時還會使軸承燒毀；高速旋轉(zhuǎn)的軸與密封件之間的間隙很小，當失去密封水時，此處的水膜也就遭到破壞，軸與密封件很可能發(fā)生摩擦，使給水泵振動增大，嚴重時將造成設(shè)備損壞。密封水的回水一般采用多級水封管引入凝汽器。 </p> <p> <br /> 為了比較大發(fā)揮機械密封的實際性能，應(yīng)對密封環(huán)的使用進行調(diào)查，掌握其工作壓力、溫度等情況，合理進行選擇。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通容積泵密封,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p style="text-indent:25px">液態(tài)烴介質(zhì)是一種低溫液化氣體，具有低沸點、低粘度、高蒸汽壓等特性。在這種工況下應(yīng)用的機械密封，會使密封材料出現(xiàn)冷脆性，大氣中的水汽會在密封裝置的大氣側(cè)面上凍結(jié)，摩擦副端面液膜容易汽化等。尤其是當介質(zhì)稍有泄漏，漏出的液態(tài)烴在大氣側(cè)立即汽化，帶走大量熱，機械密封環(huán)境溫度急劇下降，使用一般的密封材料，如橡膠或聚四氟乙烯普遍變脆，導(dǎo)致密封失效，泄漏增大而不可收拾。有些企業(yè)采用雙端面l機械密封，在介質(zhì)和大氣端設(shè)一隔離室，其間通以封油以緩和低溫的影響。但這種結(jié)構(gòu)復(fù)雜且需配封液系統(tǒng)。據(jù)經(jīng)驗，使用波紋管機械密封比較好，主要表現(xiàn)在用屬波紋管和柔性石墨代并輔助密封圈，解決了密封圈材料發(fā)生冷脆而失彈及緩沖作用的問題，如DBM型、YH604/606/609型等。如果密封無法直接裝入到預(yù)定的位置，就需要對相關(guān)尺寸進行調(diào)整，避免硬裝現(xiàn)象的發(fā)生。南通水泵密封廠家</p><p style="text-indent:25px">選擇合適的密封件材質(zhì)和液壓油，以及對工作溫度的適應(yīng)性，對油的相容性。南通容積泵密封</p><p> 高溫熱油泵主要有常底泵、減底泵、催化油漿泵，該類泵的特點是溫度高（370℃-400℃）、油品粘度大、塔底有雜質(zhì)。我們針對高溫泵的這些特點采用的是YH-609系列機械密封, 結(jié)構(gòu)選型主要結(jié)合了以下幾個方面: </p> <p> 金屬波紋管旋轉(zhuǎn)結(jié)構(gòu) </p> <p> 旋轉(zhuǎn)波紋管密封在旋轉(zhuǎn)離心力作用下可以自身清洗波紋管，減少波紋管**沉積和內(nèi)側(cè)結(jié)焦，并能防止因急冷造成的波紋管變形。泵類設(shè)備轉(zhuǎn)速一般為2950r/min，機械密封線速度遠小于25m/s,因此，可以選用旋轉(zhuǎn)結(jié)構(gòu)。 </p> <p> 密封結(jié)構(gòu)形式采用開槽斜面擠緊軸套 </p> <p> 這種定位傳動可靠，安裝拆卸方便且不傷軸。并設(shè)置有限位板，便于泵外調(diào)整密封的壓縮量。波紋管內(nèi)徑一處設(shè)一45℃斜角，以分散應(yīng)力，延長波紋管壽命。輔助密封采用柔性石墨替代合成橡膠，可以承受高達425℃的高溫。 </p> <p> 摩擦副材料的選取 </p> <p> 對摩擦副材料的選取我們采用“硬對硬”結(jié)構(gòu)，起初動靜環(huán)我們選擇了SiC-WC，但是運轉(zhuǎn)一段時間發(fā)現(xiàn)動環(huán)出現(xiàn)肯邊現(xiàn)象。改用YG6-YG6之后，設(shè)備運轉(zhuǎn)一直正常。 </p> <p> <br /> 南通容積泵密封</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司創(chuàng)建于2014-07-02，注冊資金 200-300萬元，是一家專注漣水創(chuàng)密機械制造有限公司產(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，機械密封件來料加工（塑料機械密封件除外）、銷售；機械配件、汽車配件銷售；自營和代理各類商品及技術(shù)的進出口業(yè)務(wù)，的公司。目前我公司在職員工達到51~100人人，是一個有活力有能力有創(chuàng)新精神的高效團隊。漣水創(chuàng)密機械制造有限公司主營業(yè)務(wù)涵蓋[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]，堅持“質(zhì)量***、質(zhì)量服務(wù)、顧客滿意”的質(zhì)量方針，贏得廣大客戶的支持和信賴。一直以來公司堅持以客戶為中心、[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]市場為導(dǎo)向，重信譽，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/912461.html</p></div></div></div></div></div><div id="wacz3ah" class="page-right twoColRt"><div id="ed2nugn" 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