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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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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>西城區(qū)多級泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2020-10-16 01:08:17</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="feizwdu" 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(jī)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(jī): </span>0512-58756006</p><p><span>地址: </span>德積福民村（天霸路）</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="bvxuwdf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rgnfmoq" class="box"><p><p> 焊接金屬波紋管的彈率的計算由于焊接金屬波紋管機(jī)械密封不用彈簧，彈性力完全由波紋管產(chǎn)生，因此波紋管設(shè)計時要考慮其彈率。一般將波紋管的彈率設(shè)計得小些，當(dāng)要求一定的彈力時，波紋管的壓縮量就要適當(dāng)?shù)丶哟?。運(yùn)轉(zhuǎn)相當(dāng)長時間后，如果密封端面磨損，波紋管自動補(bǔ)償，而彈力降低不會大，始終保持密封端面有足夠的壓比。為保證足夠的彈性力，壓縮量在10mm左右，不能低于6mm。工作時每個波的變形以小為宜，為保證一定的壓縮量，要適當(dāng)增加波數(shù)，保持波距。一般波數(shù)取16～20，溫度和壓力高時波數(shù)宜取多。波紋管的彈率是幾何形狀和材料的函數(shù)，常用下式計算：k=πEt3(c)d2/2nB3d1式中k——波紋管彈率，N／mm；E——材料在工作溫度下的彈性模量，N/mm2；t——波片厚度，mmn——波紋管波數(shù)；d1、d2——分別為波紋管的內(nèi)外徑，mm；B——波紋管的片寬，mm。B=（d2-d1）／2公式中沒有考慮波片的斷面形狀等因素，因此有一定的誤差。實(shí)際工作中可在彈簧測力計上測量其彈率。普通彈簧的彈率計算在一般“機(jī)械零件”書上能找到，西城區(qū)多級泵用機(jī)械密封，故在此不作介紹，西城區(qū)多級泵用機(jī)械密封，西城區(qū)多級泵用機(jī)械密封。非對稱型波紋管焊接金屬波紋管機(jī)械密封以其結(jié)構(gòu)簡單、伸縮性好和耐高溫等優(yōu)點(diǎn)，得到了日益***的應(yīng)用，尤其是高溫泵的密封中。貴州化工泵用機(jī)械密封泄露。西城區(qū)多級泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西城區(qū)多級泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990514443359/8565359.png"></div><p> 圖29）旋轉(zhuǎn)式機(jī)械密封軸套和傳動座傳動方式：l）頂絲傳動（圖30）。傳動座用1～2個頂絲固定在軸套表面上，結(jié)構(gòu)簡單，但是安裝時軸套需從軸上取出，方能緊固頂絲。這種結(jié)構(gòu)要求在軸套表面（與頂絲接觸的部位）劃一凹坑，否則運(yùn)轉(zhuǎn)中易出現(xiàn)傳動失效，傳動座會發(fā)生軸向串動。在直徑較大和溫度較高時，不能采用單純的頂絲傳動。2）頂絲一臺階傳動（圖31）。為了克服單純頂絲傳動時，傳動座軸向串動，可在軸套上設(shè)一臺階，傳動座頂靠在幼查臺階端面，體傳動成無法串動定位，用鍵來帶動軸套旋轉(zhuǎn)。這種結(jié)構(gòu)簡單，安裝方便，現(xiàn)場施工時可不用拆卸軸套即可安裝傳動座，使用可靠，運(yùn)動中不會產(chǎn)生傳動失效。3）鍵傳動。4）撥叉?zhèn)鲃樱▓D33）。是鍵傳動基礎(chǔ)上改進(jìn)的，軸套上仍有臺階，傳動座為沖壓件，上面有兩個小“爪”（撥叉）伸到軸套臺階的槽中實(shí)現(xiàn)傳動，結(jié)構(gòu)也很簡單。由于是沖壓件，撥叉徑向尺寸?。ㄝ^?。?，沖壓后冷作硬化，撥叉易斷裂。在中性介質(zhì)中尚可使甩。5)彈簧傳動。這種傳動方式不用傳動座，傳動彈簧依靠過盈值旋緊在軸套上，并傳遞扭矩，彈簧的端部靠緊軸套的臺階處（圖34），防止軸向位移。這種方式結(jié)構(gòu)簡單，安裝方便，但對彈簧的旋向有要求，泵軸旋轉(zhuǎn)時。LCB65-32-300泵用機(jī)械密封漢中化工泵用機(jī)械密封選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西城區(qū)多級泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990586083984/8203619.png"></div><p> 釜用機(jī)械密封是解決攪拌軸密封的一種理想方式，按照密封面的對數(shù)，有單端面和雙端面機(jī)械密封之分。雙端面機(jī)械密封一般配上平衡循環(huán)系統(tǒng)，可使用在易燃、易爆、有毒及腐蝕、高真空等對密封要求更為嚴(yán)格的場合。機(jī)械密封的輔助裝置有調(diào)溫器、平衡罐(隔離流體容器)、強(qiáng)制循環(huán)平衡系統(tǒng)等。一、205型機(jī)械密封1、結(jié)構(gòu)特點(diǎn)反應(yīng)釜用205型機(jī)械密封為雙端面、多彈簧、、外流、傳動套傳動的釜用機(jī)械密封，采用非平衡型結(jié)構(gòu)。主要靠密封腔內(nèi)密封液與被密封介質(zhì)間的壓力差達(dá)到密封的目的，密封液另需一套裝置來循環(huán)，整個系統(tǒng)比較復(fù)雜。故*用于密封易燃易爆，有毒及較強(qiáng)腐蝕介質(zhì)的特殊場合。2、適用范圍被密封介質(zhì)：易燃、易爆有毒及較強(qiáng)腐蝕性介質(zhì)。密封腔壓力：P1≤被密封介質(zhì)壓力：P2=()Mpa密封腔溫度：-40℃~250℃線速度：≤20m/s二、206型機(jī)械密封1、結(jié)構(gòu)特點(diǎn)反應(yīng)釜用206型機(jī)械密封為雙端面、多彈簧、外流、傳動套傳動的釜用機(jī)械密封。206系大氣端平衡型結(jié)構(gòu)。其密封作用主要靠密封腔內(nèi)的密封液與介質(zhì)間的壓力差來達(dá)到。由于密封液的循環(huán)需另設(shè)一套循環(huán)裝置，故增加了系統(tǒng)的復(fù)雜性。所以只用于密封易燃、易爆、有毒及較強(qiáng)腐蝕性介質(zhì)對密封要求極嚴(yán)的特殊場合。</p><p> 是否影響機(jī)械密封的正常工作狀態(tài)。⑤檢查固定端蓋的螺釘是否松動，而引起密封端蓋的偏斜。⑥檢查泵的軸向竄動和徑向振動是否超過使用的技術(shù)要求。⑦若是裝軸套的情況，檢查軸套與軸之間的密封是否損壞，位置是否正確。⑧檢查密封體內(nèi)有無密封液循環(huán)，機(jī)械密封是否處于干摩擦狀態(tài)。機(jī)械密封件的選型方法和使用要求機(jī)械密封件屬于精密、結(jié)構(gòu)較為復(fù)雜的機(jī)械基礎(chǔ)元件之一，是各種泵類、反應(yīng)合成釜、透平壓縮機(jī)、潛水電機(jī)等設(shè)備的關(guān)鍵部件。其密封性能和使用壽命取決于許多因素，如選型、機(jī)器的精度、正確的安裝使用等。一、選型方法機(jī)械密封按工作條件和介質(zhì)性質(zhì)的不同，有耐高溫、耐低溫機(jī)械密封，耐高壓、耐腐蝕機(jī)械密封，耐顆粒介質(zhì)機(jī)械密封和適應(yīng)易汽化的輕質(zhì)烴介質(zhì)的機(jī)械密封等，應(yīng)根據(jù)不同的用處選取不同結(jié)構(gòu)型式和材料的機(jī)械密封。選型的主要參數(shù)有：密封腔體壓力(MPa)、流體溫度(℃)、工作速度(m/s)、流體的特性以及安裝密封的有效空間等。選型的基本原則為：1.根據(jù)密封腔體壓力，確定密封結(jié)構(gòu)采用平衡型或非平衡型，單端面或雙端面等。2.根據(jù)工作速度，確定采用旋轉(zhuǎn)式或靜止式，流體動壓式或非接觸型。3.根據(jù)溫度及流體性質(zhì)，確定摩擦副和輔助密封材料。貴陽福斯泵用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西城區(qū)多級泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990697626953/3923738.png"></div><p> 水泵機(jī)械密封常見的滲漏部位,滲漏原因和對機(jī)械密封維護(hù)的幾個誤區(qū)，機(jī)械密封本身是一種要求較高的精密部件，對機(jī)械加工、裝配質(zhì)量都有很高的要求，在使用機(jī)械密封時，更應(yīng)分析使用機(jī)械密封的各種因素。1、機(jī)械密封概述：本文分析總結(jié)了泵機(jī)械密封常見的滲漏部位、滲漏原因和對機(jī)械密封維護(hù)的幾個誤區(qū)。機(jī)械密封本身是一種要求較高的精密部件,對機(jī)械加工、裝配質(zhì)量都有很高的要求。在使用機(jī)械密封時,更應(yīng)分析使用機(jī)械密封的各種因素,使機(jī)械密封適用于各種泵的技術(shù)要求和使用介質(zhì)要求且有充分的潤滑條件,這樣才能保證密封長期可靠保持不漏地運(yùn)轉(zhuǎn)。2、機(jī)械密封構(gòu)造及泄漏點(diǎn)機(jī)械密封亦稱端面密封,其有一對垂直于旋轉(zhuǎn)軸線的端面,該端面在流體壓力及補(bǔ)償機(jī)械外彈力的作用下,依賴輔助密封的配合與另一端保持貼合,并相對滑動,從而防止流體泄漏。機(jī)械密封由兩個部件組成，一為靜環(huán)，另一部件與其相對運(yùn)轉(zhuǎn)，以達(dá)到使密封泄漏程度低的目的。常用機(jī)械密封結(jié)構(gòu)如下圖所示。由靜環(huán)1、動環(huán)2、彈性元件3、彈簧座4、緊定螺釘5、旋轉(zhuǎn)環(huán)輔助密封圈6和靜止環(huán)輔助密封圈8等元件組成，防轉(zhuǎn)銷7固定在壓蓋9上以防止靜止環(huán)轉(zhuǎn)動。常用機(jī)械密封結(jié)構(gòu)圖泵用機(jī)械密封種類繁多，型號各異。圖木舒克蘇爾壽泵用機(jī)械密封選型。西城區(qū)多級泵用機(jī)械密封</p><p style="text-indent:25px">內(nèi)蒙古襄樊五二五泵用機(jī)械密封型號。西城區(qū)多級泵用機(jī)械密封</p><p> 一般將適用于輸送液體(水)中含有懸浮固體物的泵稱為渣漿泵。目前是選礦、選煤廠各工藝流程中不可缺少的設(shè)備之一。渣漿泵可按不同原則分為單級/多級、單吸/雙吸、懸臂、臥式/立式以及泵殼水平中開/垂直結(jié)合等型式，如圖所示，其基本結(jié)構(gòu)由葉輪、泵殼、泵軸、軸承及托架組成，動力還包括電動機(jī)，對輪或膠帶輪聯(lián)軸器等，耐磨件還包括襯板軸套等，密封件包括軸封、副葉輪等，支撐件包括支架等，但內(nèi)部原理是一致的，當(dāng)葉輪快速轉(zhuǎn)動時，葉片促使介質(zhì)很快旋轉(zhuǎn)，旋轉(zhuǎn)著的介質(zhì)在離心力的作用下從葉輪中飛出，泵內(nèi)的介質(zhì)被拋出后，葉輪的中心部分形成真空區(qū)域，介質(zhì)在大氣壓力（或水壓）的作用下通過管網(wǎng)壓到了進(jìn)料管內(nèi)。這樣循環(huán)不已，就可以實(shí)現(xiàn)連續(xù)供料，從而達(dá)到工藝設(shè)計要求的揚(yáng)程和流量。當(dāng)然，入料方式目前多采用壓入式，即料位高于入料管，則可以減去從上水管或泵殼向內(nèi)部灌水的步驟。類型劃分從葉輪數(shù)目劃分：單級渣漿泵和多級渣漿泵。從泵軸與水平面位置劃分：臥式渣漿泵和立式渣漿泵。從吸入進(jìn)水的方式劃分：單吸渣漿泵和雙吸渣漿泵。從泵殼的結(jié)構(gòu)方式：單殼渣漿泵和雙殼渣漿泵。西城區(qū)多級泵用機(jī)械密封</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下機(jī)械密封，泵用機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在機(jī)械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造機(jī)械及行業(yè)設(shè)備良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1569437.html</p></div></div></div></div></div><div id="etqikmj" class="page-right twoColRt"><div id="rbdkrdk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3ikrovc" 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(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) 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