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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>南通計(jì)量泵密封廠(chǎng)家推薦,封</p><p><span>***更新：</span>2020-10-23 09:16:52</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="7khj3ub" 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(huà): </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(yíng)經(jīng)濟(jì)產(chǎn)業(yè)園</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="t3tamtf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ixu3bd8" class="box"><p><p> 機(jī)械密封的平衡對(duì)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(nèi)的壓力。 </p> <p> 非平衡型密封的旋轉(zhuǎn)面相反一側(cè)的截面完全暴露于填料盒的壓力范圍之下，這種情況會(huì)使密封面之間產(chǎn)生很高的密封壓力，從而會(huì)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，南通計(jì)量泵密封廠(chǎng)家推薦，會(huì)較大程度降低機(jī)械密封的使用壽命。 </p> <p> 對(duì)機(jī)械密封加以平衡，可降低密封壓力，延長(zhǎng)密封的使用壽命。一般采用帶有臺(tái)階的主軸和軸套，降低旋轉(zhuǎn)面的有效截面，就可達(dá)到上述目的。不過(guò)千萬(wàn)別將凈密封壓力調(diào)節(jié)到接近零的水平，因?yàn)檫@樣做的結(jié)果可能會(huì)造成密封面之間的工作狀況不穩(wěn)定，并可能會(huì)因突然的變故而將密封吹開(kāi)。 </p> <p> 解決這些密封問(wèn)題的答案也許是采用非平衡式密封，對(duì)于某些服務(wù)來(lái)說(shuō)，也許采用非平衡式密封能達(dá)到更好的效果。例如，在某些應(yīng)用領(lǐng)域，與密封的使用壽命相比，也許更強(qiáng)調(diào)對(duì)液體泄漏造成的安全性問(wèn)題。在這種情況下，對(duì)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(shí)，操作溫度的增加也許是微不足道的。 </p> <p> 不管出于何種考慮，南通計(jì)量泵密封廠(chǎng)家推薦，南通計(jì)量泵密封廠(chǎng)家推薦，當(dāng)填料盒的壓力超過(guò)50psi時(shí)，一般推薦使用平衡式密封。在使用單彈簧的機(jī)械密封時(shí)，忽略彈簧的旋轉(zhuǎn)方向與泵轉(zhuǎn)子轉(zhuǎn)動(dòng)方向的正確組合也時(shí)有發(fā)生。南通計(jì)量泵密封廠(chǎng)家推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通計(jì)量泵密封廠(chǎng)家推薦,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247266600576172/7557626.jpg"></div><p style="text-indent:25px">微型水泵能在不加引水的情況下，可以吸水，就表示這個(gè)水泵有自吸的功能?？沙槿∷?、液體(溶液)，適用于需要進(jìn)行液體轉(zhuǎn)移、提升、清洗、噴灑、沖洗、灌溉等等多種場(chǎng)合。水泵的抽水管內(nèi)是空氣的情況下，利用泵工作時(shí)形成的負(fù)壓（真空），在大氣壓的作用下將低于抽水口的水壓上來(lái)，再?gòu)乃玫呐潘伺懦?。這個(gè)過(guò)程前是不需要加“引水（引導(dǎo)用的水）”的。就是說(shuō) 具備這種自吸能力的微型水泵，就叫“微型自吸水泵”。簡(jiǎn)稱(chēng)：“微型吸泵”原理類(lèi)似微型真空泵。蘇州單級(jí)泵密封的用途和特點(diǎn)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(lái)計(jì)算。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通計(jì)量泵密封廠(chǎng)家推薦,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247295062412109/3548299.jpg"></div><p> 微型水泵密封性能好壞與油脂有關(guān)索科潤(rùn)滑油 4月16日微型水泵能在不加引水的情況下，可以吸水，就表示這個(gè)水泵有自吸的功能?？沙槿∷?、液體(溶液)，適用于需要進(jìn)行液體轉(zhuǎn)移、提升、清洗、噴灑、沖洗、灌溉等等多種場(chǎng)合。水泵的抽水管內(nèi)是空氣的情況下，利用泵工作時(shí)形成的負(fù)壓（真空），在大氣壓的作用下將低于抽水口的水壓上來(lái)，再?gòu)乃玫呐潘伺懦觥＿@個(gè)過(guò)程前是不需要加“引水（引導(dǎo)用的水）”的。就是說(shuō) 具備這種自吸能力的微型水泵，就叫“微型自吸水泵”。簡(jiǎn)稱(chēng)：“微型吸泵”原理類(lèi)似微型真空泵。 </p> <p> 微型水泵油脂粘度是發(fā)揮真空泵性能的重要因素之一，液體的粘度是液體流動(dòng)阻力，或者說(shuō)是液體的內(nèi)摩擦力，因此粘度越大，各種運(yùn)動(dòng)部件所受的阻力就越大；但粘度太小，泵的密封性能變差，引起氣體泄漏，真空變劣。因此，各類(lèi)微型水泵對(duì)潤(rùn)滑油的選擇極為重要。 </p><p> 汽、柴油泵用機(jī)械密封 </p> <p> 多彈簧機(jī)械密封靜止結(jié)構(gòu) </p> <p> 該類(lèi)泵的機(jī)械密封采用靜止結(jié)構(gòu)（溫度高于200℃泵采用波紋管結(jié)構(gòu)）。一是避免由于高速攪拌產(chǎn)生的熱量；二是防止彈簧傳遞扭矩。 </p> <p> 摩擦副材料的選取。 </p> <p> 對(duì)摩擦副材料的選取我們采用“WC-C”結(jié)構(gòu)。在選擇輔助密封材料時(shí)要考慮以下主要因素： </p> <p> 良好彈性，壓縮長(zhǎng)久變形?。?</p> <p> 耐高溫，在高溫下不粘著； </p> <p> 與介質(zhì)相容，不易產(chǎn)生溶脹、硬化等； </p> <p> 摩擦系數(shù)小，有良好的機(jī)械性能。 </p> <p> 同過(guò)比較，我們選擇了耐溫較高的氟橡膠（溫度范圍-20℃-200℃）。 </p> <p> 輔助密封措施 </p> <p> 輕油泵機(jī)械密封輔助措施我們采用了密封腔夾套冷卻、無(wú)折流板急冷。 </p> <p> 石墨炭化是使用碳-石墨環(huán)時(shí)密封失效的主要原因之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通計(jì)量泵密封廠(chǎng)家推薦,封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg"></div><p> 螺紋密封 </p> <p> 螺紋密封在泵上一般有兩種形式，一種是螺紋聯(lián)接墊片密封，一種是螺紋加填充濟(jì)密封，二者皆用于小直徑螺紋連接的密封場(chǎng)合。螺紋聯(lián)接墊片密封的密封件是墊片，而螺紋只起提供壓緊力的作用。密封的效果除了墊片的本身性能外。密封面的粗糙度以及與螺紋孔的相對(duì)幾何位置精度對(duì)密封效果影響也很大。于由密封墊片在擰緊螺紋時(shí)不僅承受壓緊力，還承受扭矩，使墊片產(chǎn)生變形甚至損壞，因此，當(dāng)墊片為非金屬時(shí)，一般只適用于壓力不高的場(chǎng)合，如果墊片為金屬則適用壓力可達(dá)30Mpa以上。 </p> <p> 泵上經(jīng)常使用的絲堵，則是另一種螺紋密封形式。由于考慮到絲堵制造的經(jīng)濟(jì)性，一般單靠螺紋的配合不能起到密封作用，往往用生膠帶，密封膠等填充物填充螺紋的密封間隙。其承壓能力取決于螺紋的制造精度和材質(zhì)，與絲堵和螺紋孔的配合形式?jīng)]有關(guān)系。螺紋孔與絲堵無(wú)論采用"錐對(duì)錐"還是"柱對(duì)錐"，密封效果相同，只是使用地域不同而已。我國(guó)目前兩種形式同等采用。影響密封效果的常見(jiàn)原因是在加工螺紋底孔時(shí)尺寸偏大，使螺紋牙形變短，牙頂變寬，造成密封面減小，當(dāng)密封壓力升高后產(chǎn)生泄漏，甚至將絲堵壓出。軸彎曲變形時(shí)橫截面形心沿與軸線(xiàn)垂直方向的線(xiàn)位移稱(chēng)為撓度，機(jī)械密封要求兩個(gè)密封端面之間受力均勻。常州水泵密封生產(chǎn)企業(yè)</p><p style="text-indent:25px">介質(zhì)的低于飽和蒸汽壓力，使得端面液膜發(fā)生閃蒸，喪失潤(rùn)滑。南通計(jì)量泵密封廠(chǎng)家推薦</p><p> 潛污泵的作用是將污水中的雜質(zhì)通過(guò)的方式處理。然后排放掉，與清水泵的不同之處使其技術(shù)要求也不同于普通類(lèi)型的設(shè)備，它的設(shè)計(jì)需要考慮到效率、磨損以及特殊環(huán)境：（1）導(dǎo)板等部件自動(dòng)與著脫耦合，耦合牢固可靠。（2）引出電纜應(yīng)采用YZW和YCW型橡套電纜或性能相同的電纜，且電纜的密封需采用水密頭式密封，確保潛污泵在使用過(guò)程中不至于發(fā)生泄露。（3）葉輪：葉輪設(shè)計(jì)成無(wú)堵塞型式，葉輪皆經(jīng)過(guò)靜平衡試驗(yàn)。葉輪材質(zhì)為HT200, 符合GB9439-88的要求，過(guò)流表面光潔無(wú)粘砂、尖角、冷隔、氣孔、砂眼等缺點(diǎn)。（4）主軸材質(zhì)選用3Cr13經(jīng)調(diào)質(zhì)處理，有效地、可靠地傳遞動(dòng)力。主軸與葉輪用鍵連接，以傳遞動(dòng)力。主軸與葉輪用葉輪螺母鎖緊并有止退墊片，可防止水泵倒轉(zhuǎn)，造成葉輪松脫。（5）密封環(huán)：材質(zhì)鑄造青銅，防止因銹蝕而與葉輪咬死。設(shè)有密封環(huán)可更大限度地減少內(nèi)部泄露，提高水泵的效率。（6）機(jī)械密封：采用兩套單端面非平衡型機(jī)械密封。油腔和電機(jī)室之間的上部密封單元由陶瓷，石墨組成；泵殼和油腔之間的下部密封單元由碳化硅，碳化硅組成，以防接觸介質(zhì)。 </p> <p> <br /> 南通計(jì)量泵密封廠(chǎng)家推薦</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型公司。公司業(yè)務(wù)涵蓋輕型密封，中型密封，重型密封，小型水泵等，價(jià)格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專(zhuān)業(yè)化的隊(duì)伍，確保為客戶(hù)提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/1674544.html</p></div></div></div></div></div><div id="kdas88p" class="page-right twoColRt"><div id="8p73wtf" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bqszgsp" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="r3gnpwd" 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