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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>太原KSB泵用機(jī)械密封件選型,泵用機(jī)械密封件</p><p><span>***更新：</span>2021-01-07 00:21:16</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="hb3likr" 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="hb27bsj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="s8wmtf2" class="box"><p><p> 還與軸徑尺寸有關(guān).當(dāng)摩擦副環(huán)基體為不銹鋼、高鎳合金、欽合金時(shí)，熱鑲硬質(zhì)合金的允許使用溫度對(duì)不同軸徑的關(guān)系如圖10-9所示.5.摩擦副環(huán)與軸之間的許用間隙高溫條件下，由于摩擦副環(huán)與軸兩者的熱脹系數(shù)的差異，會(huì)出現(xiàn)摩擦副環(huán)與軸之間間隙趨近于零的現(xiàn)象，因而造成摩擦副環(huán)浮動(dòng)性消失導(dǎo)致密封失效。所以在設(shè)計(jì)時(shí)必須合理和正確選擇摩擦副環(huán)與軸之間的間隙。二、高溫機(jī)械密封實(shí)例1.布格曼公司的HSHF+MFL型密封芳烴裝置循環(huán)油泵GA-102AB.功率1650kW，轉(zhuǎn)速6748r/min,輸送介質(zhì)為汽油，操作溫度262~284度，進(jìn)口壓力，太原KSB泵用機(jī)械密封件選型，出口壓力~175MPa，機(jī)械密封采用布格曼公司HSHF+MFL混合結(jié)構(gòu)，這是適合高溫、高壓和高速工作條件下的密封。這里HSHF是單端面、流體動(dòng)壓式帶泵效螺旋結(jié)構(gòu)MFL是單端面金屬波紋管結(jié)構(gòu).HSHF和MFL都是彈簧靜止式，以適應(yīng)高速運(yùn)轉(zhuǎn)的要求，太原KSB泵用機(jī)械密封件選型.該密封從結(jié)構(gòu)上布置成串聯(lián)式，裝于油泵的吸人端和排出端，太原KSB泵用機(jī)械密封件選型，因HSHF帶有泵效螺旋，它與軸的旋轉(zhuǎn)方向有關(guān).在吸入端的泵效套(12A)是右螺旋，泵效外殼(25A)提左螺旋;在排出端的泵效套(12B)是左螺旋，泵效外殼(25B)是右螺旋，安裝時(shí)按圖上要求裝配不能搞錯(cuò).，圖10-10為HSHF2/103+MFL65/88的結(jié)構(gòu)圖.。南寧宙斯泵用機(jī)械密封件廠家。太原KSB泵用機(jī)械密封件選型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原KSB泵用機(jī)械密封件選型,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182248554687/4040785.png"></div><p> 彈性力完全由波紋管產(chǎn)生，因此波紋管設(shè)計(jì)時(shí)要考慮其彈率。一般將波紋管的彈率設(shè)計(jì)得小些，當(dāng)要求一定的彈力時(shí)，波紋管的壓縮量就要適當(dāng)?shù)丶哟蟆＿\(yùn)轉(zhuǎn)相當(dāng)長(zhǎng)時(shí)間后，如果密封端面磨損，波紋管自動(dòng)補(bǔ)償，而彈力降低不會(huì)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(shí)每個(gè)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(shí)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(jì)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(méi)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(cè)力計(jì)上測(cè)量其彈率。普通彈簧的彈率計(jì)算在一般“機(jī)械零件”書(shū)上能找到，故在此不作介紹。非對(duì)稱型波紋管焊接金屬波紋管機(jī)械密封以其結(jié)構(gòu)簡(jiǎn)單、伸縮性好和耐高溫等優(yōu)點(diǎn)，得到了日益廣的應(yīng)用，尤其是高溫泵的密封中，在有的國(guó)家已成為主要的軸封方式。國(guó)內(nèi)的焊接金屬波紋管密封質(zhì)量不夠穩(wěn)定。太原KSB泵用機(jī)械密封件選型濱海新區(qū)石家莊工業(yè)泵泵用機(jī)械密封件選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原KSB泵用機(jī)械密封件選型,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182097675781/701815.png"></div><p> 當(dāng)產(chǎn)生抽空（汽蝕）時(shí)，靜環(huán)能離位，從而損壞密封。2）固定型靜環(huán)。圖21所示為幾種固定型靜環(huán)，這種靜環(huán)由于浮動(dòng)性差，安裝時(shí)尤其要注意密封端面和軸心線的垂直度。其優(yōu)點(diǎn)是泵抽空時(shí)靜環(huán)不至于離位，較為可靠。3）粘結(jié)型靜環(huán)。上兩種靜環(huán)安裝在壓蓋中時(shí)都設(shè)有密封圈，而粘結(jié)型靜環(huán)則取消了密封圈，靜環(huán)與壓蓋之間的密封和防轉(zhuǎn)，用粘結(jié)劑實(shí)現(xiàn)。由于采用了粘結(jié)劑，使用溫度和介質(zhì)受到了粘結(jié)劑性能的限制，盡管如此，仍在很多場(chǎng)合得到應(yīng)用。集裝式密封的軸套的傳動(dòng)普通機(jī)械密封的軸套都是事先安裝和固定在軸上后再安裝機(jī)械密封，而集裝式密封則不同，它是將密封軸套和壓蓋預(yù)先裝在軸套上，再整體向軸上安裝，于是存在一個(gè)軸套如何固定在軸上，并傳遞扭矩的問(wèn)題，同時(shí)還要解決軸套和軸之間的泄漏問(wèn)題。圖42a表示了一種傳動(dòng)方式。螺釘安裝在零件A上，在軸套的對(duì)應(yīng)部位開(kāi)有圓孔，將螺釘通過(guò)軸套的圓孔，并旋緊在軸上，即可實(shí)現(xiàn)軸套和軸的傳動(dòng)。軸套和軸的密封，靠O形圈來(lái)完成。這種傳動(dòng)方式比較簡(jiǎn)單。圖42b是另一種傳動(dòng)方式。它用圓螺母A壓緊軸和軸套之間的填料（四氟制成），靠填料與軸的摩擦力來(lái)傳動(dòng)，同時(shí)也起到了密封圈的作用。</p><p> 也可采用內(nèi)裝式結(jié)構(gòu).實(shí)際上，引進(jìn)裝置工藝泵的機(jī)械密封絕大部分為內(nèi)裝式密封.輸送危險(xiǎn)性大的介質(zhì)，可選用雙端面密封結(jié)構(gòu)，并引人隔離液保護(hù).此外，也可采用彈簧帶有保護(hù)層的措施.例如，彈簧外加套塑料軟管或噴涂一層防腐層，圖10-22為彈簧加保護(hù)套的密封結(jié)構(gòu).2.材質(zhì)上選用耐腐蝕材科推薦耐蝕材質(zhì)，這是根本出路.石油化工引進(jìn)裝置所用.的機(jī)械密封大部分從材質(zhì)上解決了耐蝕問(wèn)題，·所以在國(guó)外大的密封公司的樣本或手冊(cè)中都備有不同介質(zhì)所對(duì)應(yīng)的密封型號(hào)選定表.3.對(duì)泄漏的腐蝕性或有毒的介質(zhì)進(jìn)行收集、安全排放或處理后排放.例如，有的帶回收液盤(pán)，有的裝排放管線，圖上標(biāo)明排放至安全區(qū)域.揚(yáng)子石油化工公司引進(jìn)裝置應(yīng)角的機(jī)械密封大部分為耐腐蝕的密封，典型的如英國(guó)克蘭公司的59U、59B和10T型，日本比拉公司的BB8型和Eagle公司Y4D。型，西德布格曼公司TF型和Wernert公司橡膠波紋管(ConcertinaWalls)型密封.國(guó)內(nèi)用于耐腐蝕泵用機(jī)械密封有:151、152、153、154型.結(jié)構(gòu)如圖10-23、10-24、10-25、10-26所示.含有磨料介質(zhì)和高粘度介質(zhì)的機(jī)械密封密封介質(zhì)一般總有雜質(zhì)，所以要經(jīng)過(guò)處理，就是經(jīng)過(guò)處理的介質(zhì)也會(huì)在工藝過(guò)程中產(chǎn)生結(jié)晶、凝固和反應(yīng)物析出。寶雞石家莊工業(yè)泵泵用機(jī)械密封件大全。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原KSB泵用機(jī)械密封件選型,泵用機(jī)械密封件" src="https://tyunfile.71360.com/UploadFile/ygebgm/637330182014736328/2407086.png"></div><p> 且接觸應(yīng)力不均勻，使之產(chǎn)生機(jī)械變形；二是由于使用溫度較高（或過(guò)低），材料物理性能（主要是線膨脹系數(shù)）的差異使硬質(zhì)合金環(huán)和環(huán)座的配合部位不能同步脹縮，過(guò)盈量發(fā)生變化，接觸應(yīng)力也隨著發(fā)生變化，這種變化對(duì)密封環(huán)的使用產(chǎn)生影響。密封端面變形破壞了平面度，更有甚者喪失過(guò)盈，使聯(lián)接失效，硬質(zhì)合金環(huán)熱裝式密封環(huán)目前有三種結(jié)構(gòu)，圖23a是制造廠早期生產(chǎn)的，結(jié)構(gòu)較為簡(jiǎn)單。但是由于硬質(zhì)合金環(huán)和輔助密封圈接觸，一旦硬質(zhì)合金環(huán)松脫，運(yùn)轉(zhuǎn)時(shí)輔助密封圈被嚴(yán)重磨損，會(huì)出現(xiàn)大量泄漏。而圖23b是在圖23a的基礎(chǔ)上改進(jìn)的，輔助密封圈不和硬質(zhì)合金環(huán)接觸，不存在上述缺陷，只是硬質(zhì)合金環(huán)和環(huán)座之間有輕微泄漏。為了減少硬質(zhì)合金環(huán)密封端面的不均勻變形，環(huán)座的熱裝部位內(nèi)外設(shè)置環(huán)形槽（圖23c），使硬質(zhì)合金環(huán)外圓柱面的接觸應(yīng)力趨于均勻，以減少碳化鎢環(huán)的變形，使用效果較好。焊接的組合式密封環(huán)特點(diǎn)為克服熱裝式密封環(huán)松脫的缺陷，出現(xiàn)了焊接的密封環(huán)（圖24）。所用的硬質(zhì)合金是以Cr3C2為硬質(zhì)相、Ni為粘結(jié)相的燒結(jié)合金材料。耐腐蝕優(yōu)于YG6等硬質(zhì)合金，高溫下具有優(yōu)異的抗氧化性能，在1000℃空氣中加熱2小時(shí)無(wú)任何變化。但是導(dǎo)熱性能較差，*為YG6的1／3；線膨脹系數(shù)大。銅仁襄樊五二五泵用機(jī)械密封件大全。太原KSB泵用機(jī)械密封件選型</p><p style="text-indent:25px">巫山襄樊五二五泵用機(jī)械密封件廠家。太原KSB泵用機(jī)械密封件選型</p><p> 其缺點(diǎn)是有的波紋管彈力較小，需加輔助彈簧，如（圖8a）所示。集裝式機(jī)械密封是將普通的機(jī)械密封、軸套和密封壓蓋預(yù)先組合成一個(gè)整體，將其安裝到泵上后，不做任何調(diào)整（包括彈簧的壓縮量），只固定軸套和壓蓋，再把剖分式卡環(huán)取下（圖12中的A）即可投入使用。由此可見(jiàn)，卡環(huán)的（軸向）寬度等于彈簧的壓縮量，并且，從外部就可以知道該值的大小和變化情況。事先組裝，容易保證密封的安裝質(zhì)量，可減少因安裝不良引起的失效。近年來(lái)集裝式密封發(fā)展很快，因卡環(huán)的結(jié)構(gòu)、軸套與軸的傳動(dòng)以及軸與軸套之間的密封等方面的不同，出現(xiàn)了許多種集裝式密封。三、國(guó)產(chǎn)104型機(jī)械密封國(guó)產(chǎn)104型機(jī)械密封為內(nèi)裝、內(nèi)流、單端面、單彈簧、非平衡型密封，輔助密封圈有V形和O形兩種型式（圖13）。3104型機(jī)械密封中的字母“B”表示平衡型密封，其余結(jié)構(gòu)和104型完全相同。B104型密封相當(dāng)于舊標(biāo)準(zhǔn)（JB1472－75）的110型(GY型)。兩種密封型式工作條件基本相同，*壓力不同。密封腔內(nèi)的溫度一20～80℃，轉(zhuǎn)速不大于3000r／min，介質(zhì)為清水、油類及其它弱腐蝕性液體。104型密封腔中的壓力為0～0．8MPa，而B(niǎo)104型適用壓力為0．6～3．0MPa。經(jīng)過(guò)二十多年的實(shí)踐，證明這兩種密封結(jié)構(gòu)簡(jiǎn)單，使用可靠。因此。太原KSB泵用機(jī)械密封件選型</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2731259.html</p></div></div></div></div></div><div id="zs3qcol" class="page-right twoColRt"><div 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