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src="https://tyunfile.71360.com/UploadFile/ygebgm/637350689515996094/1183825.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3hyl8ei" 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)品關鍵詞：</span>江蘇25DT-A15石家莊工業(yè)泵機械密封,石家莊工業(yè)泵機械密封</p><p><span>***更新：</span>2020-12-11 08:16:21</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vtlnpgn" 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="vpceqx2" class="page-proshow02"><p class="title">詳細說明</p><div id="zceqizl" class="box"><p><p> 如圖中紅色葉片)旋轉時，與水環(huán)形成的空間(氣室)變大即進氣，空氣(氣室)逐漸變小，即空氣被壓縮。多組相鄰葉片，即多組往復壓縮。結構緊湊、工作平衡可靠和流量均勻，所以化工生產(chǎn)中多用來輸送或抽吸易燃、易爆和有腐蝕性的氣體。水環(huán)式真空泵由于葉輪攪拌液體，損失能量大，故其效率很低。水環(huán)式真空泵的性能特點水環(huán)式真空泵的優(yōu)點1、結構簡單，制造精度要求不高，容易加工。2、結構緊湊，泵的轉數(shù)較高，一般可與電動機直聯(lián)，無須減速裝置。故用小的結構尺寸，可以獲得大的排氣量，占地面積也小。3、壓縮氣體基本上是等溫的，即壓縮氣體過程溫度變化很小。4、由于泵腔內(nèi)沒有金屬磨擦表面，無須對泵內(nèi)進行潤滑，而且磨損很小。轉動件和固定件之間的密封可直接由水封來完成。5、吸氣均勻，工作平穩(wěn)可靠，操作簡單，維修方便，江蘇25DT-A15石家莊工業(yè)泵機械密封。水環(huán)式真空泵的缺點1、效率低，一般在30%左右，較好的可達50%。2、真空度低，這不僅是因為受到結構上的限制，更重要的是受工作液飽和蒸氣壓的限制。用水作工作液，極限壓強只能達到2000~4000Pa。用油作工作液，江蘇25DT-A15石家莊工業(yè)泵機械密封，可達130Pa，江蘇25DT-A15石家莊工業(yè)泵機械密封?？傊?，由于水環(huán)泵中氣體壓縮是等溫的，故可以抽除易燃、易爆的氣體。由于沒有排氣閥及摩擦表面。朝陽區(qū)石家莊工業(yè)泵機械密封HM74D-190SGA。江蘇25DT-A15石家莊工業(yè)泵機械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇25DT-A15石家莊工業(yè)泵機械密封,石家莊工業(yè)泵機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350689515996094/1183825.png"></div><p> 可亦泵送較大的流量。多級離心泵效率較高，能夠滿足高揚程、高流量工況的需要，在石化、化工、電力、建筑、消防等行業(yè)得到應用。由于其本身的特殊性，與單級離心泵相比，多級離心泵在設計、使用和維護維修等方面，有著不同、更高的技術要求。往往是人們在一些細節(jié)上的疏忽或者考慮不周，使得多級離心泵投用后頻繁發(fā)生異常磨損、振動、抱軸等故障，亦致停機。三、離心泵離心泵工作時，液體注滿泵殼，葉輪高速旋轉，液體在離心力作用下產(chǎn)生高速度，高速液體經(jīng)過逐漸擴大的泵殼通道，動壓頭轉變?yōu)殪o壓頭。離心泵的性能特點1、高效節(jié)能：采用CFD計算流體動力學，分析計算出泵內(nèi)壓力分布和速度分布關系、優(yōu)化泵的流道設計，確保泵有高效的水力形線，提高了泵的效率。2、安裝、維修方便：立式管道式結構，泵的進出口能象閥門一樣安裝在管路的任何位置及任何方向，安裝維修極為方便。3、運行平穩(wěn)，安全可靠：電機軸和水泵軸為同軸直聯(lián)、同心度高，運行平穩(wěn)，安全可靠。4、不銹鋼軸套：軸的機封位置是相對易被銹蝕之處，直聯(lián)式泵軸一旦被銹蝕，易造成機械密封失效。STG泵此處采用鑲配不銹鋼軸套，避免銹蝕發(fā)生，提高了軸壽命，降低了運行維護成本。5、軸承：泵所配電機中。江蘇石家莊工業(yè)泵機械密封65ZJI-A30500DT-A76石家莊工業(yè)泵機械密封。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇25DT-A15石家莊工業(yè)泵機械密封,石家莊工業(yè)泵機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688731220703/7081356.png"></div><p> 3)先將靜環(huán)與壓蓋一起裝在軸上，注意不要與軸相碰，然后將動環(huán)組件裝入。彈簧座或傳動座的緊定螺釘應分幾次均勻擰緊。在未固定壓蓋之前，用手推補償環(huán)作軸向壓縮，松開后補償環(huán)能自動彈回無卡滯現(xiàn)象，然后將壓蓋螺拴均勻地鎖緊。4.使用(1)當輸送介質溫度偏高、過低、或含有雜質顆粒、易燃、易爆、有毒時，必須采取相應的阻封、沖洗、冷卻、過濾等措施。(2)運轉前用手盤車，注意轉矩是否過大，有無擦碰及不正常的聲音。(3)注意旋向，聯(lián)軸器是否對中，軸承部位的潤滑油加法是否適當，配管是否正確。(4)運轉前首先將介質、冷卻水閥門打開，檢查密封腔內(nèi)的氣體是否全排出，防止靜壓引起泄漏，然后開機運行。(5)開車后工作是否正常穩(wěn)定，有無因軸轉動引起的異常轉矩，以及異常響聲和過熱現(xiàn)象。三、主要技術結構和解決方法這些泵的機械密封是由兩塊垂直于軸的密封元件(靜環(huán)和動環(huán))組成的，其表面光潔而平直，相互貼合。密封端面平面度不大于，表面粗糙度，金屬材料Ra=μm，非金屬材料Ra=μm。動環(huán)和靜環(huán)作相對轉動，摩擦副材料為石墨、氧化鋁陶瓷、碳化硅、氮化硅、碳化鎢硬質合金等。工作時，靠彈簧和密封介質(工作溶液)的壓力在旋轉的動環(huán)和靜環(huán)的接觸表面上產(chǎn)生適當?shù)膲壕o力。</p><p> 適用場合：在工業(yè)生產(chǎn)的許多工藝過程中，如真空過濾、真空引水、真空送料、真空蒸發(fā)、真空濃縮、真空回潮和真空脫氣等。11.蒸汽噴射泵蒸汽噴射泵特點：:啟動快，工作壓力范圍寬，抽氣量大,能直接排入大氣，結構簡單，因無運動構件而運行可靠，使用期長。這種泵很適于抽除含塵、可凝性、腐蝕性和易燃易爆氣體。適用范圍：輸送或壓縮混合氣體、蒸汽、液體和固體的設備,氣體或液體常被作為動力介質。12.活塞泵工作原理：活塞泵靠活塞往復運動，使得泵腔工作容積周期變化，實現(xiàn)吸入和排出液體?；钊糜杀酶住⒒钊?、進出水閥門、進出水管、連桿和傳動裝置組成?？縿恿踊钊诒酶變?nèi)作往復運動。當活塞向上運動時，進水閥開啟，水進入泵缸，同時活塞上的水閥關閉，活塞上部的水隨活塞向上提升;當活塞向下運動時，進水閥關閉，活塞上的閥門開啟，同時使泵缸下腔的水壓人上腔，并升入出水管，如此反復進水和提升，使水不斷從出水管排出?；钊梅譃閱?、雙作用式；單、雙、多缸式；臥、立、斜式；機動、手動、腳踏、畜力式?；钊玫牧髁縌=～6000m3/h，排出壓力P2≤，大多數(shù)情況下P2≤。工作特點：活塞泵的流量是由泵缸直徑、活塞行程及活塞每分鐘的往復次數(shù)確定的。石家莊工業(yè)泵機械密封3/2D-HH。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇25DT-A15石家莊工業(yè)泵機械密封,石家莊工業(yè)泵機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637350688693925782/8367595.png"></div><p> 泵在過程流體機械中占有很大比例，它是一種通用機械，是輸送流體并提高流體壓力的機器。在各個工業(yè)領域中，凡是有流體輸送的地方就有泵在工作，其主要應用范圍有水利、石油、化工、城市給排水、冶金和交通運輸?shù)裙I(yè)部門。根據(jù)作用原理，泵可以分為三大類：①容積泵：利用容積周期性變化來輸送并提高流體壓力，如活塞泵、柱塞泵、隔膜泵、齒輪泵等；②葉片泵：依靠泵內(nèi)高速旋轉的葉輪將能量傳給液體，提高壓力并輸送流體，如離心泵、混流泵、軸流泵等；③其他類型的泵：利用液體靜壓力或流體動能來輸送液體的流體動力泵，如射流泵、水錘泵等。1.離心泵離心泵特點：①結構緊湊；②輸送流體種類多，流量和揚程范圍寬；③適用于輕度腐蝕性液體；④控制選擇多；⑤流量均勻、運轉平穩(wěn)、振動小，不需要特別減震措施；⑥設備安裝、維護檢修費用較低。適用場合：用于電力、冶金、煤炭、建材等行業(yè)輸送含有固體顆粒的液體。2.多級離心泵特點：①多級離心泵為立式結構，具有占地面積小的特點，泵重心重合于泵腳中心，因而運行平穩(wěn)、振動小、壽命長。②多級離心泵口徑相同且在同一水平中心線上，無需改變管路結構，可直接安裝在管道的任何部門。40DT-A25石家莊工業(yè)泵機械密封。江蘇石家莊工業(yè)泵機械密封65ZJI-A30</p><p style="text-indent:25px">50DT-A30石家莊工業(yè)泵機械密封。江蘇25DT-A15石家莊工業(yè)泵機械密封</p><p> 機械密封是用于密封旋轉軸與靜止泵腔的機械部件。被密封部分為圓柱形區(qū)域，設備中的軸旋轉并且貫穿設備內(nèi)外，機體部分靜止且內(nèi)部充滿流體介質。在壓力差、濃度差、溫度差等驅動下，設備內(nèi)外流體相互交換；“密封”意味著控制內(nèi)外區(qū)域間流體的交換，使界面處“沒有泄露”現(xiàn)象。布赫特在《工業(yè)密封技術》一書中是這樣解釋的：機械密封是一個由一系列簡單設計元件組成的組合機構，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小。插張圖比較直觀：機械密封按照應用的主機分類可分為泵用密封、釜用密封、壓縮機用密封等。泵用密封包括各種離心泵、旋渦泵、螺桿泵、內(nèi)燃機冷卻水泵，船用泵等。江蘇25DT-A15石家莊工業(yè)泵機械密封</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2359825.html</p></div></div></div></div></div><div id="7z8jvxu" class="page-right twoColRt"><div id="rrq3vco" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dmtaxj7" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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