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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>日照ksb泵用機(jī)械密封,泵用機(jī)械密封</p><p><span>***更新：</span>2020-10-18 02:08:05</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="b7gvxu8" 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="py4nugd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="s22axpm" class="box"><p><p> 機(jī)械密封用于各種類型的泵。機(jī)械密封是一種精度較高的密封裝置，對(duì)安裝和使用條件均有一定的要求。1、機(jī)械密封安裝使用的一般原則(1)弄清設(shè)備的情況，要了解設(shè)備轉(zhuǎn)軸的轉(zhuǎn)速、軸徑;設(shè)備制造精度及密封腔尺寸，設(shè)備本身的使用壽命以及設(shè)備在生產(chǎn)工藝中的地位等要做***均衡的考慮。(2)估算介質(zhì)壓力。泵的密封腔壓力一般不是泵的出口壓力，而是低于泵的出口壓力。(3)弄清密封介質(zhì)情況。要知道密封介質(zhì)的狀態(tài)，是氣態(tài)還是液態(tài)，介質(zhì)是否含顆粒及顆粒狀況;了解介質(zhì)的性質(zhì)、溫度，以便合理選型及采取必要的冷卻、沖洗、潤(rùn)滑措施，日照ksb泵用機(jī)械密封。2、機(jī)械密封安裝使用的技術(shù)要求(1)安裝機(jī)械密封部位的軸或軸套的徑向跳動(dòng)公差：Ф10~50mmФ50~120mm,。軸或軸套的表面粗糙度應(yīng)符合技術(shù)要求，外徑尺寸公差為h6。(2)傳動(dòng)軸的軸向竄動(dòng)量不超過(guò)。(3)密封腔體端面對(duì)軸表面的跳動(dòng)公差：軸或軸套外徑端面跳動(dòng)公差:Ф10~50mm，Ф50~120mm,(4)軸或軸套的端面及密封腔體的端面要有倒角。軸徑≤Φ30mm時(shí)為3×10°，軸徑>Φ30mm時(shí)為4×10°。(5)當(dāng)輸送介質(zhì)溫度偏高，日照ksb泵用機(jī)械密封、過(guò)低或含有雜質(zhì)顆粒、易燃、易爆、有毒時(shí)，應(yīng)采取相應(yīng)的阻封，日照ksb泵用機(jī)械密封、沖洗、冷卻、過(guò)濾等措施。(6)對(duì)某些靠彈簧傳動(dòng)的機(jī)械密封必須注意彈簧的旋向。貴州襄樊五二五泵用機(jī)械密封泄露。日照ksb泵用機(jī)械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="日照ksb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> 此外，還要維持穩(wěn)定的液膜以保證密封性能.一、高壓機(jī)械密封的要求1.增大密封零件截面對(duì)轉(zhuǎn)動(dòng)零件的截面要加大，靜環(huán)也相應(yīng)有較大的截面，不要在靜環(huán)外徑上有臺(tái)階或開(kāi)槽.但要注意，隨著密封面寬度b的增加，熱變形和磨損也隨之增加，同樣要增加壓蓋的厚度以防變形和能承受壓力.使用重載荷彈簧，使用較大直徑的銷子以適應(yīng)較大的啟動(dòng)扭矩.2.提高密封零件的加工精度(1)壓蓋底部裝靜環(huán)的幢孔面要保證高的平直度，因?yàn)樵诟邏合拢魏伪砻嫔系母叱鳇c(diǎn)會(huì)傳給靜環(huán)而引起泄漏;(2)提高密封面內(nèi)外徑和寬度的加工精度，因?yàn)樵诟邏簳r(shí)，，密封內(nèi)外徑和寬度的精度對(duì)比壓的變化有明顯的影響.密封端面研磨、.拋光后的粗糙度為(▽12~▽13)，平直度必須限制在1個(gè)光帶以內(nèi).此外，摩擦端面的垂直度和軸的精度也要相應(yīng)提高.注意在高壓下因不同介質(zhì)所造成的沖刷腐蝕和磨損，圖10-12(a),(b)表示不同摩擦副材料在不同的轉(zhuǎn)速下介質(zhì)為烴和水及水溶液時(shí)壓力與密封尺寸的關(guān)系.5采用流體動(dòng)壓式機(jī)械密封流體動(dòng)壓式(也稱流體動(dòng)力式，熱流體動(dòng)壓式)機(jī)械密封是考慮在高壓和摩擦熱的情況下，密封縫隙中的潤(rùn)滑膜穩(wěn)定性而研制成的新型密封面結(jié)構(gòu)，圖10-13(a),(b)是熱流體動(dòng)幾式機(jī)械密封槽的布置圖。日照ksb泵用機(jī)械密封德陽(yáng)渣漿泵用機(jī)械密封泄露。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="日照ksb泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990768144531/1906127.png"></div><p> 機(jī)械密封的作用:一、提高機(jī)器效率、降低能耗。1、減少機(jī)器的內(nèi)漏、外漏和穿漏，提高機(jī)器容積效率。例如，大慶煉油廠將焦化5FDJ5×2離心泵的葉輪口環(huán)改為機(jī)械密封，使泵效率提高。2、減少摩擦損失，提高機(jī)器的機(jī)械效率。例如，將雙端面密封改為單端面密封、非平衡型改為平衡型、雙支承減底泵封閉一端(所謂砍頭泵)減少密封都能減少摩擦損失，提高機(jī)械效率。3、改變密封方式，提高機(jī)器或機(jī)組的效率。例如，將屏蔽泵改用機(jī)械密封泵，使電動(dòng)機(jī)效率提高;采用磁力傳動(dòng)泵，提高機(jī)器效率。4、改變輔助系統(tǒng)，減少能耗，提高機(jī)組效率。例如，熱油泵自沖洗改為小葉輪循環(huán)沖洗;雙端面密封改為單端面密封，節(jié)省封油輔助系統(tǒng)的能耗。二、節(jié)約原材料。例如，工藝流體回收，減少或消除動(dòng)力蒸汽和工藝流體的損耗，減少封油損耗等。三、提高機(jī)器可靠性。例如，軸封的漏損和壽命決定軸封和機(jī)器的可靠性。四、安全和環(huán)境保護(hù)。根據(jù)日本某廠調(diào)查報(bào)告，在發(fā)生的786件事故中有32件是泄漏造成的(占42%)。此外工藝流體泄漏還會(huì)造成環(huán)境污染，包括對(duì)大氣污染、水污染和車間環(huán)境污染。機(jī)械密封的意義:一、密封技術(shù)雖然不是**性技術(shù)，但卻是決定性技術(shù)。例如，美國(guó)挑戰(zhàn)號(hào)航天飛機(jī)由于密封事故而墜落。</p><p> 七、目前應(yīng)用的密封種類根據(jù)制造方法和材料的不同，目前應(yīng)用的密封環(huán)有整體式密封環(huán)（用同一種材料制造）、組合式密封環(huán)、表面堆焊硬質(zhì)合金和噴涂陶瓷等多種結(jié)構(gòu)。整體式密封環(huán)種類：這種密封環(huán)因用同一種材料制成，材料的性能在密封環(huán)的各個(gè)部位均勻一致，沒(méi)有組合式密封環(huán)泄漏和分離的缺陷，也沒(méi)有電化學(xué)腐蝕的可能。制造軟環(huán)大都用石墨，制造硬環(huán)時(shí)可用各種合金鋼，如軸承鋼（GCr9）、高速鋼（W18CrV）及其他合金鋼（如40Cr、3Cr13等），也有的用合金鑄鐵（如硅、鉻和鎳鑄鐵）。采用這些材料時(shí)，都要輔之以適當(dāng)?shù)臒崽幚砉に?，以提高其硬度和耐磨性。這類材料價(jià)格較低，如果使用恰當(dāng)，也有較長(zhǎng)的壽命。為了進(jìn)一步提高硬度和延長(zhǎng)使用壽命，可采用硬質(zhì)合金制造。常用的硬質(zhì)合金為鉆基碳化鎢，性能較好，但價(jià)格高。鋼結(jié)硬質(zhì)合金的價(jià)格較低。為了提高在腐蝕介質(zhì)中的耐蝕性，有鎳基碳化鎢，而哈氏合金有更高的耐蝕性，但價(jià)格昂貴。此外，還有用碳化硅及其他陶瓷材料制造的密封環(huán)。出現(xiàn)組合式由封環(huán)的原因碳化鎢等材料有優(yōu)良的性能，但是價(jià)格高，加工困難，限制了它的使用。為解決這個(gè)矛盾，出現(xiàn)了組合式密封環(huán)。密封端面采用硬質(zhì)合金，密封環(huán)的基體。貴陽(yáng)襄樊五二五泵用機(jī)械密封廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="日照ksb泵用機(jī)械密封,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990431757812/1137250.png"></div><p> 用肥皂水檢查有氣泡，用濕的石蕊試紙檢驗(yàn)有變色痕跡，有色氣態(tài)介質(zhì)可見(jiàn)淡色煙氣。(3)泄漏：用小紙條檢查時(shí)飛舞，用肥皂水檢查氣泡成串，用濕的石蕊試紙測(cè)試馬上變色，有色氣體明顯可見(jiàn)者。(4)重漏：泄漏氣體產(chǎn)生噪聲，可聽(tīng)見(jiàn)。3.按泄漏的時(shí)間分類(1)經(jīng)常性泄漏：從安裝運(yùn)行或使用開(kāi)始就發(fā)生的一種泄漏。主要是施工質(zhì)量或是安裝和維修質(zhì)量不佳等原因造成。(2)間歇性泄漏：運(yùn)轉(zhuǎn)或使用一段時(shí)間后才發(fā)生的泄漏，時(shí)漏時(shí)停。這種泄漏是由于操作不穩(wěn)，介質(zhì)本身的變化，地下水位的高低，外界氣溫的變化等因素所致。(3)突發(fā)性泄漏：突然產(chǎn)生的泄漏。這種泄漏是由于誤操作、超壓超溫所致，也與疲勞破損、腐蝕和沖蝕等因素有關(guān)。這是一種危害性很大的泄漏。4.按泄漏的密封部位分類(1)靜密封泄漏：無(wú)相對(duì)運(yùn)動(dòng)密封副間的一種泄漏。如法蘭、螺紋、箱體、卷口等結(jié)合面的泄漏。相對(duì)而言，這種泄漏比較好治理。(2)動(dòng)密封泄漏：有相對(duì)運(yùn)動(dòng)密封副間的一種泄漏。如旋轉(zhuǎn)軸與軸座間、往復(fù)桿與填料間、動(dòng)環(huán)與靜環(huán)間等動(dòng)密封的泄漏。這種泄漏較難治理。(3)關(guān)閉件泄漏：關(guān)閉件(閘板、閥瓣、球體、旋塞、節(jié)流錐、滑塊、柱塞等)與關(guān)閉座(閥座、旋塞體等)間的一種泄漏。延安福斯泵用機(jī)械密封選型。日照ksb泵用機(jī)械密封</p><p style="text-indent:25px">河北渣漿泵用機(jī)械密封型號(hào)。日照ksb泵用機(jī)械密封</p><p> 在國(guó)產(chǎn)離心泵上得到了***的應(yīng)用。本教材以這兩種國(guó)產(chǎn)機(jī)械密封為主，結(jié)合其它結(jié)構(gòu)型式（包括進(jìn)口的密封），就有關(guān)的技術(shù)問(wèn)題和故障分析。第二節(jié)機(jī)械密封的基本元件密封環(huán)是動(dòng)環(huán)和靜環(huán)的總稱（下同），是構(gòu)成機(jī)械密封**主要的元件。一、密封環(huán)在很大程度上決定了機(jī)械密封的使用性能和壽命，對(duì)它提出了一些要求。1）有足夠的強(qiáng)度和剛度。在工作條件下（如壓力、溫度和滑動(dòng)速度等）不損壞，變形應(yīng)盡量的小，工作條件波動(dòng)時(shí)仍能保持密封性。2）密封端面應(yīng)有足夠的硬度和耐腐蝕性，以保證工作條件下有滿意的使用壽命。3）密封環(huán)應(yīng)有良好的耐熱沖擊能力。為此，要求材料有較高的導(dǎo)熱系數(shù)和較小的線膨脹系數(shù)，承受熱沖擊時(shí)不至于開(kāi)裂。4）密封環(huán)匹配應(yīng)有較小的摩擦系數(shù)和良好的自潤(rùn)滑性，密封環(huán)材料與密封流體還要有很好的浸潤(rùn)性。工作中如發(fā)生短時(shí)間的干摩擦，不損傷密封端面。5）密封環(huán)應(yīng)力求簡(jiǎn)單、對(duì)稱并優(yōu)先考慮用整體型結(jié)構(gòu)。也可采用組合式（如鑲裝式）密封環(huán)，盡量避免用密封端面噴涂式結(jié)構(gòu)。6）密封環(huán)要容易加工制造，安裝和維修要方便，價(jià)格要低廉。二、摩擦副匹配要考慮的因素摩擦副一般都選擇一軟一硬的配對(duì)。目前軟環(huán)多選用破一石墨（以下簡(jiǎn)稱石墨）。日照ksb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）有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。張家港博格曼致力于為客戶提供良好的機(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，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。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://www.cdcfah.com/cp/1597584.html</p></div></div></div></div></div><div id="tysr8gn" class="page-right twoColRt"><div id="77wqna3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t32u3qc" 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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