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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>ZU6泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2021-02-01 11:16:24</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="b7nkwyf" 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="zyqpw77" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="swy8ikg" class="box"><p><p> 因?yàn)檫^(guò)流部件的使用壽命（耐磨耐腐蝕件）的壽命取決于多種不同因素，工況的的多樣性和復(fù)雜性導(dǎo)致同樣品質(zhì)的材質(zhì)的使用壽命是有差異的。但是在前期選型階段可以讓有實(shí)力的生產(chǎn)廠家為其做合理工況選型設(shè)計(jì)。其次，在電力行業(yè)，主要是火力發(fā)電廠，ZU6泵用機(jī)械密封。目前我國(guó)電廠中主要是火力發(fā)電和水利發(fā)電，在火電廠中，由于用大量燃煤發(fā)電，燃煤后的爐渣或者灰渣需要***，渣漿泵被用在除灰渣的作用，爐渣通過(guò)混合一定量的水后，通過(guò)渣漿泵將其輸送到灰渣堆放的地方，因此有時(shí)渣漿泵在電廠也成為灰渣泵。再次，在洗煤行業(yè)，由于工況不同，較大煤塊，煤矸石容易堵塞，對(duì)于渣漿泵的設(shè)計(jì)要求很高。淮北礦務(wù)局下屬某洗煤廠05年采用經(jīng)特殊設(shè)計(jì)的、替代原來(lái)從澳大利亞進(jìn)口的渣漿泵，至今運(yùn)轉(zhuǎn)正常，輸送較大煤塊、煤矸石無(wú)堵塞，使用磨損壽命超過(guò)了國(guó)外進(jìn)口泵。在海水選砂領(lǐng)域，渣漿泵應(yīng)用也開(kāi)始逐漸被客戶認(rèn)可。但是在海水里選砂，河道里挖沙，渣漿泵更容易被稱為砂泵，挖泥泵。盡管叫法不一，但是從結(jié)構(gòu)特點(diǎn)和泵的性能原理上來(lái)講，都可以通稱為渣漿泵。因此在這海水選砂中我們經(jīng)常稱為砂泵，ZU6泵用機(jī)械密封，ZU6泵用機(jī)械密封，在河道清淤里面習(xí)慣上叫挖泥泵。渣漿泵的用途雖然廣，但是正確的應(yīng)用是十分重要的。北京格蘭富泵用機(jī)械密封型號(hào)。ZU6泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="ZU6泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990492705078/8878366.png"></div><p> 由介質(zhì)壓力變化引起端面比壓的增量大于或等于介質(zhì)壓力的增量。平衡型：載荷系數(shù)K<1的密封，也就是由介質(zhì)壓力變化引起的端面比壓的增量小于介質(zhì)壓力的增量，稱為平衡型密封。根據(jù)密封端面的數(shù)量和布置方式可分為單端面、雙端面及多端面機(jī)械密封。兩組密封端面“背靠背”（圖10a）或“面對(duì)面”（圖10b）布置的密封叫雙端面機(jī)械密封。對(duì)于工作介質(zhì)有毒、易爆、易燃、易揮發(fā)、易結(jié)晶、高溫、低溫或工作介質(zhì)是氣體，或?qū)τ诟哒婵斩鹊拿芊?，可用雙端面密封。此時(shí)雙端面之間的密封腔引入封液進(jìn)行堵封、潤(rùn)滑和冷卻。一般情況下封液選用潔凈和潤(rùn)滑性好的介質(zhì)。二、串聯(lián)機(jī)械密封應(yīng)用的工況兩組或兩組以上同向布置的單端面機(jī)械密封組成串聯(lián)機(jī)械密封（圖11）。這種密封方式使密封腔的壓力逐級(jí)降低，介質(zhì)不至外漏。串聯(lián)密封一般情況下很少采用，只有在壓力很高時(shí)采用。補(bǔ)償機(jī)構(gòu)為波紋管，密封環(huán)（動(dòng)環(huán)或靜環(huán)）和波紋管制成一個(gè)整體，中間沒(méi)有輔助密封圈（見(jiàn)圖8）稱為波紋音式機(jī)械密封。波紋音式機(jī)械密封減少了一個(gè)泄漏點(diǎn)；同時(shí)減少了補(bǔ)償機(jī)構(gòu)的摩擦阻力，改善了追隨性；對(duì)于焊接金屬波紋管密封（圖8b）使用溫度不受輔助密封圈的限制；對(duì)于四氟波紋管密封（圖8a）可用于腐蝕性介質(zhì)中。ZU6泵用機(jī)械密封山西福斯泵用機(jī)械密封型號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="ZU6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> 主要由泵體、葉輪、定子、轉(zhuǎn)子、前后導(dǎo)軸承、軸套以及推動(dòng)盤組成。電動(dòng)機(jī)與泵合為一體，定子、轉(zhuǎn)子表面分別用非磁性薄壁材料包封，與工藝介質(zhì)隔開(kāi)，轉(zhuǎn)子由前后導(dǎo)軸承支撐，浸在輸送的介質(zhì)中。轉(zhuǎn)子軸端裝有葉輪，形成無(wú)軸封的結(jié)構(gòu)，以達(dá)到無(wú)泄漏輸送的目的。屏蔽泵1.泵體2.葉輪3.前導(dǎo)軸承4.定子5.轉(zhuǎn)子6.軸7.后導(dǎo)軸承8.推動(dòng)盤9.軸承監(jiān)視器（2）屏蔽泵的軸封特點(diǎn)從屏蔽泵的原理和屏蔽泵的結(jié)構(gòu)可知：屏蔽泵沒(méi)有旋轉(zhuǎn)軸密封裝置，即沒(méi)有動(dòng)密封，只有靜密封，所以，靜密封點(diǎn)完好無(wú)泄漏時(shí)，那屏蔽泵就可以達(dá)到無(wú)泄漏的要求。三、安全性及經(jīng)濟(jì)性比較（1）安全性比較的角度說(shuō)明一個(gè)設(shè)備的安全性評(píng)價(jià)是一個(gè)綜合系統(tǒng)的問(wèn)題，具包括設(shè)備本身質(zhì)量的可靠性及設(shè)備的完好性，也包括環(huán)境及人的行為操作對(duì)設(shè)備安全的影響。因本文論述的側(cè)重點(diǎn)是單端面密封離心泵、雙端面密封離心泵及屏蔽泵在輸送危險(xiǎn)物料時(shí)的安全性，所以這三臺(tái)泵的安全性評(píng)價(jià)側(cè)重在泵泄漏造成的危害角度。現(xiàn)在進(jìn)行的安全性比較僅從泵的結(jié)構(gòu)和軸封特性，當(dāng)軸封故障發(fā)生泄露時(shí)，造成介質(zhì)泄漏到環(huán)境中，可能引起的人身健康、環(huán)保，安全角度進(jìn)行考慮，進(jìn)行比較的。（2）甲醇輸送泵泄漏時(shí)存在的安全風(fēng)險(xiǎn)由本案例可知。</p><p> 保持貼合并相對(duì)滑動(dòng)而構(gòu)成防止流體泄漏的裝置，常用于機(jī)泵、壓縮機(jī)等旋轉(zhuǎn)式流體機(jī)械。機(jī)械密封的基本元件由動(dòng)環(huán)、靜環(huán)、壓蓋、推環(huán)、彈簧、定位環(huán)、軸套、輔助密封（動(dòng)靜環(huán)密封圈、軸套密封圈）組成。其機(jī)械密封外形結(jié)構(gòu)圖如圖2-1機(jī)械密封外形結(jié)構(gòu)圖機(jī)械密封的工作原理。它是靠彈性構(gòu)件（如彈簧或波紋管，或波紋管及彈簧組合構(gòu)件）和密封介質(zhì)的壓力在旋轉(zhuǎn)的動(dòng)環(huán)和靜環(huán)的接觸表面（端面）上產(chǎn)生適當(dāng)?shù)膲壕o力，使這兩個(gè)端面緊密貼合，端面間維持一層極薄的液體膜而達(dá)到密封的目的。這層液體膜具有流體動(dòng)壓力與靜壓力，起著潤(rùn)滑和平衡壓力的作用。機(jī)械密封一般有四個(gè)密封部位（通道），A、B、C、D。A通道是旋轉(zhuǎn)環(huán)與靜止環(huán)的端面彼此貼合作相對(duì)滑動(dòng)的動(dòng)密封，它是機(jī)械密封裝置中的主密封，也是決定機(jī)械密封性能和壽命的關(guān)鍵。B處為靜環(huán)7與壓蓋4端面之間的密封；C處為動(dòng)環(huán)3與軸（或軸套）9配合面之間的密封，因能隨補(bǔ)償環(huán)軸向移動(dòng)并起密封作用，所以又稱副密封；D處為壓蓋與泵殼端面之間的密封。B、D、C三處是靜止密封，一般不易泄漏。2、單端面密封離心泵的結(jié)構(gòu)和軸封特性單端面密封離心泵的軸封由一對(duì)摩擦副密封端面組成，只有一級(jí)密封，一般有自沖悉系統(tǒng)。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="ZU6泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990573378906/8594308.png"></div><p> 或內(nèi)徑D1)的極限偏差按表9-5的規(guī)定。彈簧自由高度Ho的極限偏差按表9-6的規(guī)定。彈簧在壓縮到全變形量的10%時(shí)，其正常節(jié)距圈不應(yīng)接觸。兩端面經(jīng)過(guò)磨削的彈簧，在自由狀態(tài)下，彈簧軸心線對(duì)兩端面的垂直度偏差<。兩端面并緊并磨平的彈簧，支承圈磨平部分大于或等于3/4圈。其表面粗糙度Ra為，端頭厚度不小于d/8。彈簧表面應(yīng)光滑，不得有裂紋、起刺等肉眼可見(jiàn)的有害缺陷.近幾年很多引進(jìn)機(jī)械密封使用了波形彈簧，其中纏繞式波型彈簧用量較多。纏繞式波形彈簧結(jié)構(gòu)見(jiàn)圖9-3，其具有強(qiáng)度高、柔性好、結(jié)構(gòu)形式緊湊、安裝空間小等優(yōu)點(diǎn)。它是用專用纏繞彈簧設(shè)備加工的，纏繞式波型彈簧技術(shù)要求如下:纏繞式波型彈簧的波峰應(yīng)呈圓弧形，不允許出現(xiàn)平頂或尖頂。多層纏繞式波型彈簧相鄰上下層的波峰及波谷要對(duì)齊.圓周方向角度錯(cuò)位不大于5°。多層纏繞式波型彈簧相鄰上下層的徑向錯(cuò)邊不大于。纏繞式波型彈簧內(nèi)外徑尺寸偏差應(yīng)符合表9-7的規(guī)定。纏繞式波形彈簧自由高度尺寸偏差應(yīng)符合表9-8、表9-9的規(guī)定。纏繞式波形彈簧必須經(jīng)過(guò)消除應(yīng)力處理。殘余變形不應(yīng)超時(shí)(單片波型彈簧小于)。同一個(gè)纏繞式波形彈簧各波高度差應(yīng)不超過(guò)表9-10及表9-11的規(guī)定(多層纏繞式波型彈簧僅指中間層的各波高度)。寶雞脫硫泵用機(jī)械密封泄露。ZU6泵用機(jī)械密封</p><p style="text-indent:25px">樂(lè)山水泵用機(jī)械密封泄露。ZU6泵用機(jī)械密封</p><p> 密封端面：密封環(huán)在工作時(shí)與另一個(gè)密封環(huán)相貼合的端面。該端面通常是研磨面。旋轉(zhuǎn)環(huán)(動(dòng)環(huán))：隨軸做旋轉(zhuǎn)運(yùn)動(dòng)的密封環(huán)。靜止環(huán)(靜環(huán))：不隨軸做旋轉(zhuǎn)運(yùn)動(dòng)的密封環(huán)。補(bǔ)償環(huán)：具有軸向補(bǔ)償能力的密封環(huán)。非補(bǔ)償環(huán)：不具有軸向補(bǔ)償能力的密封環(huán)。補(bǔ)償環(huán)組件：軸向連接并定位彈性元件的零件。傳動(dòng)座：用于與軸或軸套固定并直接帶動(dòng)旋轉(zhuǎn)環(huán)的零件。傳動(dòng)螺釘：用于傳遞扭矩的螺釘。緊定螺釘：用于把彈簧座、傳動(dòng)座或其他零件固定于軸或軸套上的螺釘?？ōh(huán)：對(duì)補(bǔ)償環(huán)起軸向限位作用的零件。防轉(zhuǎn)銷：用于防止相鄰兩個(gè)零件相對(duì)旋轉(zhuǎn)的銷釘。密封腔：指安裝密封部位旋轉(zhuǎn)軸與靜止殼體之間的環(huán)狀空間。密封腔體：包容密封腔的靜止殼體；彈性元件：彈簧或波紋管之類的具有彈性的零件。摩擦副：配對(duì)使用的一組密封環(huán)。ZU6泵用機(jī)械密封</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3111589.html</p></div></div></div></div></div><div id="cldcc4k" class="page-right twoColRt"><div id="8l73x2u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u8uhzyd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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