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class="twoCol"><div id="cqikgi7" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_bengtc/">泵</a>?<a href="http://www.cdcfah.com/cp/third-bengtc_bpjwp/">泵配件</a>?江蘇化工泵密封市場批發(fā)價格貼心服務漣水創(chuàng)密機械供應</p><div id="jc3h3ce" class="leftbox clearfix"><h1>江蘇化工泵密封市場批發(fā)價格貼心服務漣水創(chuàng)密機械供應</h1><div id="kj4dcjn" class="proBig"><div id="oshyvh2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298179248047/5187331.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ktyfcjd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298179248047/5187331.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hbdfhyv" 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>產品關鍵詞：</span>江蘇化工泵密封市場批發(fā)價格,封</p><p><span>***更新：</span>2020-10-11 00:15:48</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="z38gd7e" 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)高揚民營經濟產業(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="329bifw" class="page-proshow02"><p class="title">詳細說明</p><div id="3kczw7o" class="box"><p><p style="text-indent:25px">液態(tài)烴介質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面上凍結，摩擦副端面液膜容易汽化等。尤其是當介質稍有泄漏，漏出的液態(tài)烴在大氣側立即汽化，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，江蘇化工泵密封市場批發(fā)價格，如橡膠或聚四氟乙烯普遍變脆，導致密封失效，泄漏增大而不可收拾。有些企業(yè)采用雙端面l機械密封，在介質和大氣端設一隔離室，其間通以封油以緩和低溫的影響。但這種結構復雜且需配封液系統(tǒng)。據經驗，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，江蘇化工泵密封市場批發(fā)價格，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，江蘇化工泵密封市場批發(fā)價格。隨著機械密封在機泵中的使用越來越多，使用要求也越來越高。江蘇化工泵密封市場批發(fā)價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇化工泵密封市場批發(fā)價格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247298179248047/5187331.jpg"></div><p> 低溫輕烴泵用機械密封 </p> <p> 多彈簧機械密封采用靜止結構。 </p> <p> 采取增加非補償環(huán)尾部長度和采用副后蓋結構等措施，增加輕烴泵機械密封的抗抽空能力。 </p> <p> 采用靜環(huán)背冷措施。 </p> <p> 對介質易汽化的輕烴泵軸封我們增設背部冷卻,在軸封正常操作時,可對端面溫度進行調節(jié),使相變半徑靠近內徑,增大液膜比例。在泵抽空時,由于端面溫度降低,使閃蒸壓力降低,對防止端面分離有積極作用。 </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“SiC-C”結構。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> 通過沖洗來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有較高的介質壓力,避免介質在密封腔內汽化或氣體積聚,而且還可把摩擦副產生的摩擦熱及時帶走,有效控制密封端面溫升,增大液相面積,改善摩擦狀態(tài)。江蘇化工泵密封市場批發(fā)價格動密封類有哪些？答：皮碗、漲圈、螺旋、氣動、水力、離心、填料、迷宮、機械密封等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇化工泵密封市場批發(fā)價格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266600576172/7557626.jpg"></div><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。我們針對高溫泵的這些特點采用的是YH-609系列機械密封, 結構選型主要結合了以下幾個方面: </p> <p> 金屬波紋管旋轉結構 </p> <p> 旋轉波紋管密封在旋轉離心力作用下可以自身清洗波紋管，減少波紋管**沉積和內側結焦，并能防止因急冷造成的波紋管變形。泵類設備轉速一般為2950r/min，機械密封線速度遠小于25m/s,因此，可以選用旋轉結構。 </p> <p> 密封結構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。并設置有限位板，便于泵外調整密封的壓縮量。波紋管內徑一處設一45℃斜角，以分散應力，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”結構，起初動靜環(huán)我們選擇了SiC-WC，但是運轉一段時間發(fā)現(xiàn)動環(huán)出現(xiàn)肯邊現(xiàn)象。改用YG6-YG6之后，設備運轉一直正常。 </p> <p> <br /> </p><p> 泵機械密封©水的故障是水泵故障中**容易出現(xiàn)的故障之一，所以水泵機械密封也屬于水泵部件中比較關鍵的易損件之一，水泵選型時機械密封材質一定要能適合用戶輸送的液體介質。 </p> <p> <p> 步驟/方法 </p> <p> 機械密封處滲©水的第一種可能性是機封的動、靜環(huán)平面磨損。而造成機封的動、靜環(huán)平面磨損的原因有六個方面：安裝過緊。觀察機械密封的動靜環(huán)平面，如有嚴重燒焦現(xiàn)象，平面發(fā)黑和很深的痕跡，密封橡膠變硬，失去彈性，這種現(xiàn)象是由于安裝過緊造成的。處理辦法：調整安裝高度，葉輪安裝后，用螺絲刀拔動彈簧，彈簧有較強的張力，松開后即復λ，有2-4MM的移動距離即可。安裝過松。觀察機封動、靜環(huán)平面，其表面有一層很薄的水垢，能夠擦去，表面基本無磨損，這是彈簧失去彈性及裝配不良造成，或電機軸向竄動造成。水質差含顆粒。由于水質差，含有小顆粒及介質中鹽酸鹽含量高，形成磨料磨損機封的平面或拉傷表面產生溝槽、環(huán)溝等現(xiàn)象。處理辦法：改進水壓或介質，更換機封。缺水運行造成干磨損壞。 </p> <p> <br /> </p> 在密封面處由于干摩擦、冷卻水突然中斷，雜質進入密封面、抽空等情況下，都會導致環(huán)面出現(xiàn)徑向裂紋。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇化工泵密封市場批發(fā)價格,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247286448720703/8635806.jpg"></div><p> 泵，一種用以增加液體或氣體的壓力，使之輸送流動的機械設備。泵的種類很多，有離心泵、排污泵、柱塞泵、真空泵、蠕動泵、自吸泵等等，種類繁多。特性各不相同，應用領域比較廣，應用于農田灌溉、排水以及工礦企業(yè)與城鎮(zhèn)的給水、排水等。那么對于各種泵的工作原理你是否了解呢？讓我們一起了解一些其中幾種泵的工作原理。 </p> <p> 柱塞泵是液壓系統(tǒng)的一個重要裝置。它依靠柱塞在缸體中往復運動，使密封工作容腔的容積發(fā)生變化來實現(xiàn)吸油、壓油。柱塞泵具有結構緊湊、效率高、額定壓力高和流量調節(jié)方便等優(yōu)點，被***應用于高壓、大流量和流量需要調節(jié)的場合，諸如液壓機、工程機械。 </p> <p> 柱塞泵是往復泵的一種，屬于體積泵，其柱塞靠泵軸的偏心轉動驅動，往復運動，其吸入和排出閥都是單向閥。當柱塞外拉時，工作室內壓力降低，出口閥關閉，低于進口壓力時，進口閥打開，液體進入；柱塞內推時，工作室壓力升高，進口閥關閉，高于出口壓力時，出口閥打開，液體排出。當傳動軸帶動缸體旋轉時，斜盤將柱塞從缸體中拉出或推回，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通。變量機構用來改變斜盤的傾角，通過調節(jié)斜盤的傾角可改變泵的排量。根據密封腔體壓力，確定密封結構采用平衡型或非平衡型，單端面或雙端面等。南京管道泵密封可定制企業(yè)</p><p style="text-indent:25px">橡塑密封件的作用使它成為**、化工、石油、煤炭、交通運輸和機械制造等國民經濟主要行業(yè)中的基礎部件.江蘇化工泵密封市場批發(fā)價格</p><p> 平衡和非平衡式密封 </p> <p> 機械密封的平衡對接觸面的密封壓力有很大影響。這一密封壓力取決于密封本身的有效截面以及填料盒內的壓力。 </p> <p> <span style="font-size:12px;"> 非平衡型密封的旋轉面相反一側的截面完全暴露于填料盒的壓力范圍之下，這種情況會使密封面之間產生很高的密封壓力，從而會使工作溫度提高，加快磨損速度。在高溫工作條件下或液體具有較大腐蝕性和磨擦性的情況下，會極大降低機械密封的使用壽命。</span> </p> <p> <span style="font-size:12px;"> 對機械密封加以平衡，可降低密封壓力，延長密封的使用壽命。一般采用帶有臺階的主軸和軸套，降低旋轉面的有效截面，就可達到上述目的。不過千萬別將凈密封壓力調節(jié)到接近零的水平，因為這樣做的結果可能會造成密封面之間的工作狀況不穩(wěn)定，并可能會因突然的變故而將密封吹開。</span> </p> <p> <span style="font-size:12px;"> 解決這些密封問題的答案也許是采用非平衡式密封，對于某些服務來說，也許采用非平衡式密封能達到更好的效果。例如，在某些應用領域，與密封的使用壽命相比，也許更強調對液體泄漏造成的安全性問題。在這種情況下，對密封的選用也許可理解為更希望選擇具有較高的密封壓力。同樣，在選用較冷液體的密封時，操作溫度的增加也許是微不足道的。</span> </p> <p> <br /> 江蘇化工泵密封市場批發(fā)價格</p><p style="text-indent:25px">漣水創(chuàng)密機械制造有限公司致力于機械及行業(yè)設備，是一家貿易型的公司。公司業(yè)務分為輕型密封，中型密封，重型密封，小型水泵等，目前不斷進行創(chuàng)新和服務改進，為客戶提供良好的產品和服務。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于機械及行業(yè)設備行業(yè)的發(fā)展。創(chuàng)密機械制造憑借創(chuàng)新的產品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1500457.html</p></div></div></div></div></div><div id="uy77seg" class="page-right twoColRt"><div id="77vhjqx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qprj2kx" 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配件哪家強信息推薦自業(yè)物資供應" 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