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id="0tfxj7k" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637345523848017578/497956.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cmel7hj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637345523848017578/497956.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vpwy7vm" 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>上海H74D神通博格曼機(jī)械密封件,神通博格曼機(jī)械密封件</p><p><span>最后更新：</span>2020-09-01 19:25:30</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="8s7iurt" 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="peqiuvc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ixugdfx" class="box"><p><p> 機(jī)械密封是一種旋轉(zhuǎn)機(jī)械的軸封裝置，機(jī)械密封又叫端面密封，在國(guó)家有關(guān)標(biāo)準(zhǔn)中是這樣定義的:"由至少一對(duì)垂直于旋轉(zhuǎn)軸線的端面在流體壓力和補(bǔ)償機(jī)構(gòu)彈力(或磁力)的作用以及輔助密封的配合下保持貼合并相對(duì)滑動(dòng)而構(gòu)成的防止流體泄漏的裝置"。常用機(jī)械密封結(jié)構(gòu)由靜止環(huán)(靜環(huán))、旋轉(zhuǎn)環(huán)(動(dòng)環(huán))、彈性元件彈簧座、緊定螺釘、旋轉(zhuǎn)環(huán)輔助密封圈和靜止環(huán)輔助密封圈等元件組成，防轉(zhuǎn)銷固定在壓蓋上以防止靜止環(huán)轉(zhuǎn)動(dòng)。機(jī)械密封在日常檢修中，常常會(huì)存在以下幾個(gè)誤區(qū)：誤區(qū)一：彈簧壓縮量越大密封效果越好？！其實(shí)不然，彈簧壓縮量過大，可導(dǎo)致摩擦副急劇磨損，瞬間燒損；過度的壓縮使彈簧失去調(diào)節(jié)動(dòng)環(huán)端面的能力，導(dǎo)致密封失效，上海H74D神通博格曼機(jī)械密封件。誤區(qū)二：動(dòng)環(huán)密封圈越緊越好？！其實(shí)動(dòng)環(huán)密封圈過緊有害無益。一是加劇密封圈與軸套間的磨損，泄漏；二是增大了動(dòng)環(huán)軸向調(diào)整、移動(dòng)的阻力，在工況變化頻繁時(shí)無法適時(shí)進(jìn)行調(diào)整；三是彈簧過度疲勞易損壞；四是使動(dòng)環(huán)密封圈變形，影響密封效果。誤區(qū)三：靜環(huán)密封圈越緊越好？！靜環(huán)密封圈基本處于靜止?fàn)顟B(tài)，相對(duì)較緊密封效果會(huì)好些，但過緊也是有害的。一是引起靜環(huán)密封因過度變形，上海H74D神通博格曼機(jī)械密封件，影響密封效果；二是靜環(huán)材質(zhì)以石墨居多，一般較脆，上海H74D神通博格曼機(jī)械密封件，過度受力極易引起碎裂。河北神通博格曼機(jī)械密封件。上海H74D神通博格曼機(jī)械密封件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海H74D神通博格曼機(jī)械密封件,神通博格曼機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637345523848017578/497956.png"></div><p> 進(jìn)油管有空氣，泵腔內(nèi)有空氣，泵開機(jī)后，機(jī)封的磨擦高速運(yùn)轉(zhuǎn)時(shí)產(chǎn)生高溫，無法得到冷卻，檢查機(jī)封，彈簧張力正常，摩擦面燒焦發(fā)黑，橡膠變硬開裂。處理辦法：排盡管道及泵腔內(nèi)空氣或更換機(jī)械密封。6）有氣體，主要產(chǎn)生于熱油泵。由于介質(zhì)是熱油，油溫過高產(chǎn)生蒸汽，管道內(nèi)的汽體進(jìn)入泵腔內(nèi)高處，這部分的汽體無法排除，從而造成缺油運(yùn)行，機(jī)封干磨失效。7）機(jī)械密封膠失效。主要原因是橡膠件老橡膠件的老化、變形，主要是熱油泵中的化、變形。機(jī)械密封膠失效表現(xiàn)的現(xiàn)象為油溫過高，介質(zhì)溶解橡膠。從外觀上看橡膠件表面疏松、毛糙，失去彈性，從而使橡膠失效。機(jī)封安裝及拆卸注意事項(xiàng)以ZHYa100-315泵為例，該機(jī)泵采用雙端面，平衡型波紋管串聯(lián)機(jī)械密封，沖洗方案為優(yōu)選安全性較高的Plan32+53A密封管路方案。1.機(jī)封拆卸注意事項(xiàng)機(jī)封取出時(shí)由于大蓋較重，機(jī)封內(nèi)軸套墊片較緊，在拆卸時(shí)應(yīng)注意先將大蓋頂出后（在拆卸泵前將機(jī)械密封卡片鎖緊，將一圈軸套緊固螺母松開），將機(jī)械密封壓蓋螺栓松開，將大蓋取出，此時(shí)機(jī)械密封在軸上（軸套內(nèi)有石墨軸套墊片，整體較緊，用力拉出有可能導(dǎo)致密封端面受損）。除軸套墊片較為緊固外，動(dòng)環(huán)內(nèi)也有石墨墊片，也很難以拆卸。遼寧59B神通博格曼機(jī)械密封件海南神通博格曼機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海H74D神通博格曼機(jī)械密封件,神通博格曼機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637345523777558594/2832977.png"></div><p> 但密封效果較差。2、曲折式迷宮密封曲折式迷宮密封也分整體和鑲片兩種結(jié)構(gòu)，這種迷宮密封的結(jié)構(gòu)特點(diǎn)，是密封齒的伸出高度不一樣，而且高低齒相間排列，與之相配的軸表面，是特制的凹凸溝槽，這種高低齒與凹凸槽相配合的結(jié)構(gòu)，使平滑的密封間隙變成了曲折式，因此，增加了流動(dòng)阻力，提高了密封效能。但只能用在有水平剖分面的缸體或隔板中，并且密封體也要作成水平剖分型。3、階梯式迷宮密封階梯式迷宮密封從結(jié)構(gòu)上分析它類似于平滑式迷宮密封，而密封效果卻與曲折式迷宮密封近似，常用于葉輪蓋板和平衡盤處。4、蜂窩式迷宮密封蜂窩式迷宮密封的密封齒片焊成蜂窩狀，以形成復(fù)雜形狀的膨脹室，它的密封性能優(yōu)于一般密封形式，適用于壓力差較大的場(chǎng)合，如離心式壓縮機(jī)的平衡盤密封。蜂窩式迷宮密封制造工藝復(fù)雜，密封片強(qiáng)度高，密封效果較好。五、油封密封油封密封是一種自緊式唇狀密封，其結(jié)構(gòu)簡(jiǎn)單，尺寸小，成本低廉，維護(hù)方便，阻轉(zhuǎn)矩較小，既能防止介質(zhì)泄漏，也能防止外部塵土和其它有害物質(zhì)侵入，而且對(duì)磨損有一定的補(bǔ)償能力，但不耐高壓，所以一般用在低壓場(chǎng)合的化工泵上。六、動(dòng)力密封化工泵在與運(yùn)轉(zhuǎn)時(shí)，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(shí)現(xiàn)密封。</p><p> 硅橡膠有很高的熱穩(wěn)定性，但它有極性，容易在酸堿作用下發(fā)生離子型裂解，因此耐腐蝕性差，不適宜用于石油系溶劑（如苯、甲苯等）、丙酮、酮醚等有機(jī)溶劑。聚四氟乙烯具有優(yōu)異的化學(xué)穩(wěn)定性和耐油、耐溶劑、抗老化、耐溫性能，并有相當(dāng)?shù)偷哪Σ烈驍?shù)和一定的強(qiáng)度、彈性、柔性和不粘著性，因此用作各種溫度、壓力、腐蝕性介質(zhì)條件下的密封圈。綜上所述，輔助密封材料，在一般介質(zhì)中可使用橡膠材料制成的O形圈、墊圈和波紋管等；在腐蝕性介質(zhì)中可使用聚四氟乙烯制成的V形圈、楔形環(huán)、墊圈和波紋管等；在高、低溫條件下可使用金屬波紋管。選用時(shí)應(yīng)考慮材料的使用溫度和耐腐蝕性。幾種材料的使用溫度、適用介質(zhì)見表4。材料名稱使用溫度/℃使用介質(zhì)或特性橡膠丁晴橡膠-30～100油、水、醇等氯丁橡膠-40～100無機(jī)酸、堿溶液、水、醇等乙丙橡膠-50～100堿、溶劑和各種化學(xué)、放射性介質(zhì)氟橡膠-20～100酸、油類、溶劑等硅橡膠-60～230醇、堿、低溶脹性礦物質(zhì)聚四氟乙烯-100～250各種腐蝕性介質(zhì)金屬沉淀硬化不銹鋼AM350-40～450熱處理后強(qiáng)度高，耐腐蝕性與1Cr18Ni9Ti相似高鎳合金Inconel-750-250～750高、低溫強(qiáng)度好，耐腐蝕性好，但焊接困難，成本高鎳鉬合金HastelloyC約1000耐腐蝕性。山東神通博格曼機(jī)械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海H74D神通博格曼機(jī)械密封件,神通博格曼機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637345523542021484/7251816.png"></div><p> 其體積和硬度變化小，且不粘附在金屬表面上。6）摩擦系數(shù)小，耐磨性好。7）具有與密封面結(jié)合的柔軟性。8）耐老化性好，經(jīng)久耐用。9）加工制造方便，價(jià)格便宜，取材容易。六、機(jī)械密封安裝、使用技術(shù)要領(lǐng)1）設(shè)備轉(zhuǎn)軸的徑向跳動(dòng)應(yīng)≤，軸向竄動(dòng)量不允許大于；2）設(shè)備的密封部位在安裝時(shí)應(yīng)保持清潔，密封零件應(yīng)進(jìn)行清洗，密封端面完好無損，防止雜質(zhì)和灰塵帶入密封部位；3）在安裝過程中嚴(yán)禁碰擊、敲打，以免使機(jī)械密封摩擦副破損而密封失效；4）安裝時(shí)在與密封相接觸的表面應(yīng)涂一層清潔的機(jī)械油，以便能順利安裝；5）安裝靜環(huán)壓蓋時(shí)，擰緊螺絲必須受力均勻，保證靜環(huán)端面與軸心線的垂直要求；6）安裝后用手推動(dòng)動(dòng)環(huán)，能使動(dòng)環(huán)在軸上靈活移動(dòng)，并有一定彈性；7）安裝后用手盤動(dòng)轉(zhuǎn)軸、轉(zhuǎn)軸應(yīng)無輕重感覺；8）設(shè)備在運(yùn)轉(zhuǎn)前必須充滿介質(zhì)，以防止干摩擦而使密封失效。七、機(jī)械密封在工業(yè)方面發(fā)展及應(yīng)用橡膠是常用的密封材料。除橡膠外，適合于做密封材料的還有石墨等，聚四氟乙烯以及各種密封膠等。當(dāng)前采用新材料和工藝的各種機(jī)械密封的新技術(shù)，進(jìn)展較快，有下列的機(jī)械密封新技術(shù)。密封面開槽密封技術(shù)近年來，在機(jī)械密封的密封端面上開了各種各樣的流槽，以產(chǎn)生流體靜、動(dòng)壓效應(yīng)。神通博格曼機(jī)械密封件676。河北M3N神通博格曼機(jī)械密封件</p><p style="text-indent:25px">神通博格曼機(jī)械密封件202。上海H74D神通博格曼機(jī)械密封件</p><p> 1）大多數(shù)潛污泵機(jī)械密封拆解后，靜環(huán)和動(dòng)環(huán)的輔助密封件無彈性，有的已經(jīng)腐爛，造成了機(jī)封的大量滲漏甚至有磨軸的現(xiàn)象。由于高溫、污水中的弱酸、弱堿對(duì)靜環(huán)和動(dòng)環(huán)輔助橡膠密封件的腐蝕作用，造成了機(jī)械滲漏過大，動(dòng)、靜環(huán)橡膠密封圈材料為丁腈—40，不耐高溫，不耐酸堿，當(dāng)污水為酸性堿性時(shí)易腐蝕。對(duì)策：對(duì)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）固體顆粒雜質(zhì)引起的機(jī)械密封滲漏如果固體顆粒進(jìn)入密封端面，將會(huì)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(dòng)環(huán)不能補(bǔ)償磨耗位移，硬對(duì)硬摩擦副的運(yùn)轉(zhuǎn)壽命要比硬對(duì)石墨摩擦副的長(zhǎng)，因?yàn)楣腆w顆粒會(huì)嵌入石墨密封環(huán)的密封面內(nèi)。對(duì)策：在固體顆粒容易進(jìn)入的位置應(yīng)選用碳化鎢對(duì)碳化鎢摩擦副的機(jī)械密封。4、因其他問題引起的機(jī)械密封滲漏機(jī)械密封中還存在設(shè)計(jì)、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(jìn)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(dòng)靜環(huán)端面比壓不足，則不能密封。（2）安裝動(dòng)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。上海H74D神通博格曼機(jī)械密封件</p><p style="text-indent:25px">伊格爾博格曼機(jī)械密封（張家港）有限公司是一家機(jī)械密封，機(jī)械密封件，泵用機(jī)械密封，集裝式機(jī)械密封，釜用機(jī)械密封，攪拌器機(jī)械密封，金屬波紋管機(jī)械密封，泵廠配套機(jī)械密封，石家莊工業(yè)泵機(jī)械密封，襄樊五二五泵用機(jī)械密封，柳州酸王泵用機(jī)械密封，連成配套機(jī)械密封，凱泉配套機(jī)械密封，東方配套機(jī)械密封，南方配套機(jī)械密封，福斯機(jī)械密封，沃曼泵用機(jī)械密封，電廠配套機(jī)械密封，凱泉配套機(jī)械密封。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于機(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，是機(jī)械及行業(yè)設(shè)備的主力軍。張家港博格曼繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。張家港博格曼創(chuàng)始人劉義，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1121818.html</p></div></div></div></div></div><div id="8b8qs7j" class="page-right twoColRt"><div id="fkrdfwd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="jdasjl2" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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