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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3ri9izw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637358464518955078/5799986.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="z3nphg3" 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>錫林郭勒柳州酸王泵用機械密封HF50-400A,柳州酸王泵用機械密封</p><p><span>***更新：</span>2021-01-30 00:22:33</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3jaj8ok" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">伊格爾博格曼機械密封（張家港）有限公司</a></p><p><span>聯(lián)系人：</span>閆女士</p><p><span>郵箱: </span>eaglebugmann@qq.com</p><p><span>電話: </span>18013293108</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://eaglebugmann.com</p><p><span>手機: </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="yhyijgy" class="page-proshow02"><p class="title">詳細說明</p><div id="vwnr82i" class="box"><p><p> 當介質(zhì)溫度上升至200-250℃時，在螺栓螺母連接處先用螺栓松動劑松動螺栓，然后將螺母預回30-60度。泵和閥門用盤根的安裝、調(diào)節(jié)方法泵和閥門的有效密封取決于各個部件的整體狀況，特別注意，在進行盤根安裝前，確信需要更換盤根的設(shè)備已經(jīng)按照現(xiàn)場和系統(tǒng)進行有效的隔離。以下內(nèi)容用于指導檢修人員、工程師和裝配工正確地安裝和調(diào)節(jié)盤根。1、需要的工具，錫林郭勒柳州酸王泵用機械密封HF50-400A.在取下舊盤根換上新盤根時需要用**工具，以及用緊固器預緊壓蓋螺母。此外，需經(jīng)常使用標準的安全設(shè)施和遵守有關(guān)的安全規(guī)定。安裝前，首先要熟悉以下設(shè)備：校驗盤根環(huán)的切割機、校驗扭矩扳手或扳手、安全帽、內(nèi)外卡鉗、緊固器的潤滑劑、反光鏡、盤根取出器、切盤根的刀具、游標卡尺等:2、清潔和檢查1）緩慢松開填料函的壓蓋螺母，釋放盤根組件內(nèi)所有的殘余壓力；2）移去所有舊的盤根，徹底清潔軸/桿的填料函；3）檢查軸/桿是否有腐蝕、凹痕，錫林郭勒柳州酸王泵用機械密封HF50-400A、劃傷或過度磨損；4）檢查其他零件是否有毛刺、裂紋、磨損，它們會減少盤根的壽命；5）檢查填料函是否有過大的間隙，錫林郭勒柳州酸王泵用機械密封HF50-400A，以及軸/桿的偏心程度；6）更換有較大缺陷的零部件；7）檢查舊盤根，作為失效分析的依據(jù)，以找到盤根早期失效的原因。HB65-50-60柳州酸王泵用機械密封。錫林郭勒柳州酸王泵用機械密封HF50-400A</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錫林郭勒柳州酸王泵用機械密封HF50-400A,柳州酸王泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637358464518955078/5799986.png"></div><p> 二）由于介質(zhì)引起的滲漏1.故障一：靜環(huán)和動環(huán)的輔助密封件無彈性或者有的已經(jīng)腐爛，造成了機封的大量滲漏甚至有磨軸的現(xiàn)象。產(chǎn)生原因：高溫、污水中的弱酸、弱堿對靜環(huán)和動環(huán)輔助橡膠密封件的腐蝕作用,造成了機械滲漏過大,動、靜環(huán)橡膠密封圈材料為丁腈—40,不耐高溫,不耐酸堿,當污水為酸性堿性時易腐蝕。解決方法：對腐蝕性介質(zhì),橡膠件應(yīng)選用耐高溫、耐弱酸、弱堿的氟橡膠。2.故障二：真空固體顆粒雜質(zhì)引起的機械密封滲漏產(chǎn)生原因：固體顆粒進入密封端面,會劃傷或加快密封端面的磨損,水垢和油污在軸(套)表面的堆積速度超過摩擦副的磨損速度,致使動環(huán)不能補償磨耗位移,硬對硬摩擦副的運轉(zhuǎn)壽命要比硬對石墨摩擦副的長,因為固體顆粒會嵌入石墨密封環(huán)的密封面內(nèi)。解決方法：在固體顆粒容易進入的位置應(yīng)選用碳化鎢對碳化鎢摩擦副的機械密封。03因其他問題引起的機械密封滲漏機械密封中還存在設(shè)計、選擇、安裝等不夠合理的地方。(1)彈簧壓縮量一定要按規(guī)定進行,不允許有過大或過小的現(xiàn)象,誤差±2mm,壓縮量過大增加端面比壓,摩擦熱量過多,造成密封面熱變形和加速端面磨損,壓縮量過小動靜環(huán)端面比壓不足,則不能密封。(2)安裝動環(huán)密封圈的軸(或軸套)端面及安裝靜環(huán)密封圈的密封壓蓋。錫林郭勒柳州酸王泵用機械密封HF50-400A朝陽區(qū)柳州酸王泵用機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錫林郭勒柳州酸王泵用機械密封HF50-400A,柳州酸王泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637358464476259765/4621734.png"></div><p> 機械密封是一個由一系列簡單設(shè)計元件組成的組合機構(gòu)，密封作用由兩個帶平面的主密封環(huán)完成，以防止泄漏。其中一個密封環(huán)與軸連在一起轉(zhuǎn)動，另一個密封環(huán)固定在殼體上。為了密封離心泵軸，靜密封環(huán)安裝在密封腔壓蓋上。在泵軸轉(zhuǎn)動期間，裝在軸上的密封環(huán)的密封面與對面的靜環(huán)密封面相摩擦。這兩個密封接觸面的接觸作用類似軸承，并且受到磨損。任何形式的系統(tǒng)泄漏都必須通過這個密封接觸面。作用在軸向的力使密封環(huán)始終保持摩擦接觸，其來源可以為機械的或者是液壓的，在很多設(shè)計中，取兩者之和。這種穩(wěn)定的接觸可以防止從摩擦面間泄漏或使泄漏量減到很小。其常見泄漏點如下，如圖所示，典型泄漏點包括：1.動靜環(huán)接觸端面這個是機械密封的主要密封面，是決定密封的摩擦、磨損和密封性能的關(guān)鍵，同時也決定了密封的工作壽命。據(jù)統(tǒng)計，大約有80%~90%的泄漏是由于摩擦面造成的。2.動環(huán)（補償環(huán)）輔助密封圈處這是輔助密封面，是決定密封的密封性和動環(huán)追隨性的關(guān)鍵。此處重要性僅次于1處。3.軸與軸套間此處為靜密封，需考慮材質(zhì)與介質(zhì)相容。4.密封件本身此處可能由于浸漬工藝等原因發(fā)生滲漏。5.靜環(huán)（非補償環(huán)）輔助密封圈處這是輔助密封面，是決定密封的密封性能的關(guān)鍵點之一。</p><p> 2)裝配順序①機械密封靜止部件的組裝：a.將防轉(zhuǎn)銷裝入密封端蓋相應(yīng)的孔內(nèi);b.將靜環(huán)密封圈套在靜環(huán)上，將靜環(huán)裝入密封端蓋內(nèi)，要注意使防轉(zhuǎn)銷進入靜環(huán)凹槽內(nèi)。安裝壓蓋時，注意不要使靜環(huán)碰軸。螺栓應(yīng)分幾次均勻擰緊。②機械密封旋轉(zhuǎn)部件組裝：將機械密封的旋轉(zhuǎn)部件依照先后次序逐個組裝到軸上。若有軸套，則要在外面把機械密封的旋轉(zhuǎn)部件依次組裝到軸套上，然后將裝有機械密封旋轉(zhuǎn)部件的軸套裝到軸上。③端蓋裝在密封體上，并用螺釘均勻擰緊。④盤動試車是否輕松，若盤不動或吃力，則應(yīng)檢查裝配尺寸是否正確。4、機械密封運轉(zhuǎn)的故障處理(1)開始就泄露①檢查裝配質(zhì)量是否符合技術(shù)要求，彈簧壓縮量是否符合規(guī)定。②檢查動環(huán)、靜環(huán)的密封端面是否損壞。③檢查密封端面是否端正。(2)運轉(zhuǎn)中泄露量突然過多，此時應(yīng)停車進行檢查①檢查動環(huán)、靜環(huán)密封端面的磨損情況與表面質(zhì)量的變化，若已破壞則應(yīng)返修或更換新件。②檢查動環(huán)、靜環(huán)的輔助密封圈的安裝位置是否正確(如V型圈的唇口應(yīng)朝向壓力端)、有無損壞。若安裝有誤則重新安裝，若已損壞則應(yīng)重新?lián)Q件。③檢查密封腔體內(nèi)是否混入固體雜質(zhì)，傳動座內(nèi)是否充滿了雜質(zhì)，影響動環(huán)的軸向浮動和彈簧的補償。④檢查緊定螺釘是否松動。廈門柳州酸王泵用機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="錫林郭勒柳州酸王泵用機械密封HF50-400A,柳州酸王泵用機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637358464538896484/1414297.png"></div><p> 雖然其主要的密封壓力依賴于填料盒本身的壓力，但彈簧和波紋管可補償液泵在起動和停機過程中因主軸運動的壓力不足，使密封面始終保持一定的密封壓力。腐蝕磨損問題由于多種原因，例如包括軸承的公差、軸端余隙、振動和主軸偏差，都會使液泵的主軸產(chǎn)生徑向和軸向運動。此外，由于將接觸面之間保持平行是十分困難的，因此機械密封本身的內(nèi)部產(chǎn)生移動也是很正常的。這類移動往往是由于設(shè)備和安裝公差、熱膨脹、管路應(yīng)力或主軸調(diào)試不當所造成。為了使密封面之間始終保持互相配合，彈簧起到了機械密封與運動主軸之間的恒定調(diào)節(jié)作用。當旋轉(zhuǎn)面和主軸之間采用人造橡膠密封時，該彈性體就會在主軸上來回運動。這種重復摩擦動作，會磨蝕主軸上的防腐材料，失去主軸的氧化膜保護層，終會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)安裝一個可更換的軸套。然而，解決腐蝕磨損問題的辦法是去除其內(nèi)部的動態(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。平衡和非平衡式密封機械密封的平衡對接觸面的密封壓力有很大影響。阜陽柳州酸王泵用機械密封。錫林郭勒柳州酸王泵用機械密封HF50-400A</p><p style="text-indent:25px">泰安柳州酸王泵用機械密封。錫林郭勒柳州酸王泵用機械密封HF50-400A</p><p> 動力密封化工泵在與運轉(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。填料密封軟填料密封盤根通常由較柔軟的線狀物編織而成，通過截面積是正方形的條狀物填充在密封腔體內(nèi)，靠壓蓋產(chǎn)生壓緊力，壓緊填料，迫使填料壓緊在密封表面(軸的外表面和密封腔)上，產(chǎn)生密封效果的徑向力，因而起密封作用。硬填料密封硬填料密封有開口環(huán)和分瓣環(huán)兩類。機械密封機封總是由旋轉(zhuǎn)部件（黃色部分）和靜止部件（橙色部分）兩大部分組成，兩相對運動的動，靜環(huán)面成為密封的主密封面。機械密封亦稱端面密封，按國家有關(guān)標準定義為：由至少一對垂直于旋轉(zhuǎn)軸線的端面在流體壓力和補償機構(gòu)的彈力（或磁力）作用以及輔助密封的配合下保持貼合并相對滑動，而構(gòu)成的防止流體泄漏的裝置。螺旋密封螺旋密封也是動力密封的一種形式，它是在旋轉(zhuǎn)的軸上或者在軸的包容套上加工出螺旋槽，軸和套之間充有密封介質(zhì)。軸的旋轉(zhuǎn)使螺旋槽產(chǎn)生類似于泵的輸送作用。錫林郭勒柳州酸王泵用機械密封HF50-400A</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3068386.html</p></div></div></div></div></div><div id="mf8p77x" class="page-right twoColRt"><div id="8hoselm" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7fm3bdk" class="recomPic likePro"><a 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