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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="joldfsz" 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>常州容積泵密封源頭直供廠家,封</p><p><span>***更新：</span>2020-08-30 03:10:34</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="f2szwtf" 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="g3fsubd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tildacz" class="box"><p><p> 油封主要由密封體、加強(qiáng)骨架和自緊螺旋彈簧等幾部分組成。密封體按照不同部位又分為底部、腰部、刃口和密封唇等。。 </p> <p> <span style="font-size:12px;">金屬骨架就如同混凝土構(gòu)件里面的鋼筋，起到加強(qiáng)的作用，并使油封能保持形狀及張力。通常，在自由狀態(tài)下的骨架油封，其內(nèi)徑比軸徑小，即具有一定的“過盈量”。因此，當(dāng)油封裝入油封座和軸上之后，油封刃口的壓力和自緊螺旋彈簧的收縮力對軸產(chǎn)生一定的徑向緊力，經(jīng)過一段時間運(yùn)行后，該壓力會迅速減小乃至消失，因而，加上彈簧可以隨時補(bǔ)償油封自緊力。</span> </p> <p> <span style="font-size:12px;">油封外緣使油封在腔體孔內(nèi)固定的同時，起防止流體從油封外周面與腔體內(nèi)表面的接觸面之間泄漏及侵入的作用。另外金屬骨架是當(dāng)油封固定在腔體內(nèi)時，起保持配合力的作用，常州容積泵密封源頭直供廠家。</span> </p> <p> <span style="font-size:12px;">密封唇部是柔性彈性體，設(shè)計(jì)成對機(jī)械的震動及密封流體的壓力變動的影響下仍可保持穩(wěn)定的密封作用，并起到保持唇部與軸表面穩(wěn)定接觸狀態(tài)的作用。彈簧可提高密封唇向軸的壓緊力，起維持此壓緊力的作用。唇端部被制作成斜鍥形狀，在端部處按壓軸表面，起密封流體的作用，常州容積泵密封源頭直供廠家。</span> </p> <p> <span style="font-size:12px;">防塵唇是沒有與彈簧連接的副唇，常州容積泵密封源頭直供廠家，起防止塵埃侵入的作用。</span> </p> <p> <br /> O形密封圈雖然密封可靠，但如果不注意使用條件，也會發(fā)生泄漏。常州容積泵密封源頭直供廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州容積泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298179248047/5187331.jpg"></div><p> 泵用機(jī)械密封選型要點(diǎn) </p> <p> 美國石油協(xié)會API 682(Pumps-Shaft Sealing Systems for Centrifugal and Rotary Pumps)標(biāo)準(zhǔn)中對機(jī)械密封的類別(Categories)、類型(Types)、布置方式(Arrangements)、沖洗方案(Flush plans)等進(jìn)行了分類，在工程應(yīng)用中機(jī)械密封的選型也應(yīng)注重以上要點(diǎn)進(jìn)行分析。 </p> <p> 另外，機(jī)械密封的 pV 值是選擇、使用和設(shè)計(jì)機(jī)械密封的重要參數(shù)，功耗、磨損與溫升都與該值有關(guān)。pV 值越高，機(jī)械密封的技術(shù)水平及難度系數(shù)越高。 </p> <p> 機(jī)械密封類別(Categories)的選擇常州容積泵密封源頭直供廠家密封件必須存放在密封包裝內(nèi)，避免和空氣中的水分或塵埃接觸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州容積泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295241855469/6155112.jpg"></div><p> 隨著時代的高速發(fā)展，對石油資源的需求量不斷增加，石油煉廠的生產(chǎn)任務(wù)越來越重。泵用機(jī)械在石油煉廠生產(chǎn)過程中發(fā)揮著非常重要的作用，但在其實(shí)際運(yùn)行過程中，其機(jī)械密封往往會出現(xiàn)各種問題，不僅影響機(jī)械的正常使用，還容易導(dǎo)致安全問題的發(fā)生。文章對石油煉廠常用機(jī)械密封的設(shè)計(jì)改進(jìn)與應(yīng)用進(jìn)行分析，希望對中國石油煉化事業(yè)的發(fā)展起到積極的促進(jìn)作用。 </p> <p> 機(jī)械密封在流體機(jī)械中發(fā)揮著非常重要的作用，可以有效防止機(jī)械內(nèi)部的介質(zhì)流出泵外。其運(yùn)行情況，對泵用機(jī)械運(yùn)行的穩(wěn)定性有著非常直接的影響，在石油煉化生產(chǎn)過程中，發(fā)揮著非常重要的作用。各種流體機(jī)械在化工生產(chǎn)中，有著非常明顯的應(yīng)用，隨著石油煉化技術(shù)的高速發(fā)展，流體機(jī)械的應(yīng)用參數(shù)水平也在不斷提高，對機(jī)械性能要求也在不斷提高，轉(zhuǎn)軸密封的作用非常突出。我國對機(jī)械密封的研究開始較晚，從上個世紀(jì)80 年代，機(jī)械密封在石油煉化產(chǎn)業(yè)中才開始得到大規(guī)模的應(yīng)用。 </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(jī)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(jī)械密封或干氣密封?；旧洗蟛糠诌m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，常常困擾許多使用者。本文以神華某煤化工項(xiàng)目凈化裝置煤化工凈化裝置主洗泵為例，對雙重密封和干氣密封進(jìn)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 /> 為了比較大發(fā)揮機(jī)械密封的實(shí)際性能，應(yīng)對密封環(huán)的使用進(jìn)行調(diào)查，掌握其工作壓力、溫度等情況，合理進(jìn)行選擇。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州容積泵密封源頭直供廠家,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg"></div><p> 油封的裝配，無論油封的安裝部分設(shè)計(jì)和油封的選擇多么適宜，如果組裝的粗糙，也不能充分發(fā)揮油封預(yù)定的功能。 </p> <p> <span style="font-size:12px;">油封安裝時,外表面應(yīng)涂上適當(dāng)?shù)臐櫥瑒?，唇口?yīng)涂上適合的清潔潤滑脂，帶有防塵唇的油封，應(yīng)在主付唇間填滿適合的清潔潤滑脂，再進(jìn)行裝配.把油封的密封唇口端朝向密封介質(zhì)一側(cè),切忌反向裝配.油封裝入座孔時,應(yīng)采用**工具推入,防止位置偏斜.油封唇緣通過的螺紋,鍵槽,花鍵等處應(yīng)采取各種措施來防止唇緣損傷,并用**工具裝配.油封應(yīng)水平放入座孔，并均勻加壓，請勿傾斜強(qiáng)制推進(jìn)。</span> </p> <p> <br /> 設(shè)計(jì)輔助沖洗系統(tǒng)，沖洗壓力要求高于密封腔壓力，密封腔壓力要根據(jù)每種泵的結(jié)構(gòu)形式、系統(tǒng)壓力因素來計(jì)算。常州容積泵密封源頭直供廠家</p><p style="text-indent:25px">機(jī)械密封的工作溫度不能超過其規(guī)定值。常州容積泵密封源頭直供廠家</p><p> 機(jī)械密封裝配前的檢查有哪些內(nèi)容？答：一般性檢查：主要檢查個零件的型號、規(guī)格、性能、配合尺寸及有無缺口、點(diǎn)坑、變形和裂紋等損傷。動、靜環(huán)的檢查：密封端面要光潔明亮、物崩邊、點(diǎn)坑、溝槽、劃痕等缺點(diǎn)。對石墨環(huán)，還要浸沒有檢查是否有裂紋。 </p> <p> .機(jī)械密封彈簧的檢查都包括哪些內(nèi)容？答：彈簧的檢查包括：總?cè)?shù)、有效圈數(shù)、自由高度、軸心對端面是否垂直、彈簧旋向。但彈簧必須檢查旋向，多彈簧不需要檢查旋向。新彈簧要檢查其原始自由高度，自由高度要測量，并與原始記錄比較，殘余變形過大的要更換掉。舊彈簧清洗干凈后，要測量其彈力，彈力減少20%的要更換掉。多彈簧機(jī)械密封，各彈簧自由高度差不得小于0.5mm。常州容積泵密封源頭直供廠家</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)械密封件來料加工（塑料機(jī)械密封件除外）、銷售；機(jī)械配件、汽車配件銷售；自營和代理各類商品及技術(shù)的進(jìn)出口業(yè)務(wù)，的公司，致力于成為客戶業(yè)務(wù)創(chuàng)新、機(jī)械及行業(yè)設(shè)備可信賴的合作伙伴。公司自2014-07-02成立以來，投身于輕型密封，中型密封，重型密封，小型水泵，是機(jī)械及行業(yè)設(shè)備的主力軍。創(chuàng)密機(jī)械制造不斷開拓創(chuàng)新，追求***，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為**，以服務(wù)為保障，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。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)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: 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