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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f7pfce4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361706894532/7431856.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mgdaxj9" 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>SCB428-2.0機械密封,機械密封</p><p><span>***更新：</span>2020-11-26 00:24:31</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="u3723ld" 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: </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="tiacelk" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3fgikr9" class="box"><p><p> 以及機械密封的平衡程度，還有密封端面液膜的閃蒸等都是造成端面打開而使固體顆粒進入的主要原因。c）機械密封的平衡程度β也影響著密封的磨損。一般情況下，平衡程度β=75%左右適宜。β<75%，磨損量雖然降低，但泄漏增加，密封面打開的可能性增大。對于高負(fù)荷（高PV值）的機械密封，由于端面摩擦熱較大，β一般取65%～70%為宜，對低沸點的烴類介質(zhì)等，由于溫度對介質(zhì)氣化較敏感，為減少摩擦熱的影響，SCB428-2.0機械密封，SCB428-2.0機械密封，β取80%～85%為好。7.因安裝、運轉(zhuǎn)或設(shè)備本身所產(chǎn)生的誤差而造成機械密封泄漏a）由于安裝不良，造成機械密封泄漏。主要表現(xiàn)在以下幾方面：1）動、靜環(huán)接觸表面不平，安裝時碰傷、損壞；2）動、靜環(huán)密封圈尺寸有誤、損壞或未被壓緊；3）動、靜環(huán)表面有異物；4）動、靜環(huán)V型密封圈方向裝反，或安裝時反邊；5）軸套處泄漏，密封圈未裝或壓緊力不夠；6）彈簧力不均勻，SCB428-2.0機械密封，單彈簧不垂直，多彈簧長短不一；7）密封腔端面與軸垂直度不夠；8）軸套上密封圈活動處有腐蝕點。b）設(shè)備在運轉(zhuǎn)中，機械密封發(fā)生泄漏的原因主要有：1）泵葉輪軸向竄動量超過標(biāo)準(zhǔn)，轉(zhuǎn)軸發(fā)生周期性振動及工藝操作不穩(wěn)定，密封腔內(nèi)壓力經(jīng)常變化等均會導(dǎo)致密封周期性泄漏。銅陵109-50機械密封件。SCB428-2.0機械密封</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="SCB428-2.0機械密封,機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361706894532/7431856.png"></div><p> 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。四、機械密封常用材料的選用清水，常溫：（動）9Cr18，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹脂石墨，青銅，酚醛塑料。河水（含泥沙），常溫：（動）碳化鎢，（靜）碳化鎢。海水，常溫：（動）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹脂石墨，碳化鎢，金屬陶瓷。過熱水100度：（動）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹脂石墨，碳化鎢，金屬陶瓷。汽油，潤滑油，液態(tài)烴，常溫：（動）碳化鎢，1Cr13堆焊鈷鉻鎢，鑄鐵；（靜）浸樹脂或錫銻合金石墨，酚醛塑料。汽油，潤滑油，液態(tài)烴，100度：（動）碳化鎢，1Cr13堆焊鈷鉻鎢；（靜）浸青銅或樹脂石墨。汽油，潤滑油，液態(tài)烴，含顆粒：（動）碳化鎢；（靜）碳化鎢。五、密封材料的種類及用途密封材料應(yīng)滿足密封功能的要求。由于被密封的介質(zhì)不同，以及設(shè)備的工作條件不同，要求密封材料的具有不同的適應(yīng)性。對密封材料的要求一般是：1）材料致密性好，不易泄露介質(zhì)。2）有適當(dāng)?shù)臋C械強度和硬度。3）壓縮性和回彈性好，變形小。4）高溫下不軟化，不分解，低溫下不硬化，不脆裂。5）抗腐蝕性能好，在酸，堿，油等介質(zhì)中能長期工作。SCB428-2.0機械密封無錫橡膠波紋管機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="SCB428-2.0機械密封,機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361756064453/6744757.png"></div><p> 三是安裝、拆卸困難，極易損壞靜環(huán)。誤區(qū)四：葉輪鎖母越緊越好？！機械密封泄漏中，軸套與軸之間的泄漏(軸間泄漏)是比較常見的。一般認(rèn)為，軸間泄漏就是葉輪鎖母沒鎖緊，其實導(dǎo)致軸間泄漏的因素較多，如軸間墊失效，偏移，軸間內(nèi)有雜質(zhì)，軸與軸套配合處有較大的形位誤差，接觸面破壞，軸上各部件間有間隙，軸頭螺紋過長等都會導(dǎo)致軸間泄漏。鎖母鎖緊過度只會導(dǎo)致軸間墊過早失效，相反適度鎖緊鎖母，使軸間墊始終保持一定的壓縮彈性，在運轉(zhuǎn)中鎖母會自動適時鎖緊，使軸間始終處于良好的密封狀態(tài)。誤區(qū)五：新的比舊的好？！相對而言，使用新機械密封的效果好于舊的，但新機械密封的質(zhì)量或材質(zhì)選擇不當(dāng)時，配合尺寸誤差較大會影響密封效果；在聚合性和滲透性介質(zhì)中，靜環(huán)如無過度磨損，還是不更換為好。因為靜環(huán)在靜環(huán)座中長時間處于靜止?fàn)顟B(tài)，使聚合物和雜質(zhì)沉積為一體，起到了較好的密封作用。誤區(qū)六：拆修總比不拆好？！一旦出現(xiàn)機械密封泄漏便急于拆修，其實，有時密封并沒有損壞，只需調(diào)整工況或適當(dāng)調(diào)整密封就可消除泄漏。這樣既避免浪費又可以驗證自己的故障判斷能力，積累維修經(jīng)驗提高檢修質(zhì)量。</p><p> 3)將壓環(huán)、動環(huán)密封圈和動環(huán)一起套入彈簧座4內(nèi)，注意動環(huán)外徑上的凹槽應(yīng)對準(zhǔn)彈贊座上凸出部分.(4)將彈贊座連同彈簧、壓環(huán)、動環(huán)密封圈和動環(huán)一起套在軸上劃線定位處，然后用固緊螺釘9將旋轉(zhuǎn)部件固定在軸上，關(guān)于彈贊的頂壓縮量，外商圖紙定為4mm，國內(nèi)一般為4~6mm，具體視單彈簧和多彈簧以及彈贊尺寸而定。動環(huán)安裝后須保證能在軸上靈活移動，將動環(huán)壓向彈贊后能自動彈回.(5)將組裝好的壓蓋10裝在填料箱體上，并用螺栓均勻地分幾次擰緊(使用四氛O形密封圈，螺栓至少間隔30分鐘，并經(jīng)多次擰緊，直至不需擰緊為止).(6)總裝以后，檢查輔助裝置是否正常，查核冷卻、循環(huán)、通風(fēng)、排放、阻封等管線接頭有無接錯.要求落汽管線進口在上部，出口在下部;冷卻水管進口在下部，出口在上部.查對以后用手盤車，應(yīng)該輕快靈活并無卡住現(xiàn)象二正常情況下，總裝后還應(yīng)檢查軸的徑向跳動量，然后經(jīng)靜壓試驗，跑合一段時間后交付使用.機械密封的拆卸順序與安裝順序相反，在拆卸時嚴(yán)禁用鐵器敲打，**好采用專用拆卸工具順序拆卸，如密封元件上有污垢或凝策物枯結(jié)，應(yīng)先清洗污物再進行拆卸.啟動運轉(zhuǎn)一、啟動前的準(zhǔn)備工作1.***檢查機械密封和輔助裝置以及管線、閥門、儀表等是否安裝齊全。錫山區(qū)109機械密封件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="SCB428-2.0機械密封,機械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637321361597978516/3563835.png"></div><p> 安裝時要根據(jù)不同的聯(lián)軸節(jié)要求進行安裝.2.安裝靜止部件(1)先將防轉(zhuǎn)銷1裝人密封壓蓋的銷孔內(nèi)，無論立式或臥式防轉(zhuǎn)銷壓配時要注意埋人孔內(nèi)的深度，使銷子伸出的長度不要與靜環(huán)(靜環(huán)座)的凹槽底部或與軸面相碰[見9-6(a)、(b)].(2)將靜環(huán)密封圈2套在靜環(huán)3上，并將靜環(huán)上凹槽對準(zhǔn)壓蓋10中防轉(zhuǎn)銷1，均勻地推人壓蓋內(nèi).3.組裝旋轉(zhuǎn)部件(1)將彈贊座4朝上放平，再將小彈簧5分別放人彈贊座的彈簧孔內(nèi)，不能歪斜.(2)將動環(huán)密封圈6套人動環(huán)7內(nèi)，再將壓環(huán)8套在動環(huán)上，注意壓環(huán)應(yīng)壓住密封圈6.(3)將壓環(huán)、動環(huán)密封圈和動環(huán)一起套入彈簧座4內(nèi)，注意動環(huán)外徑上的凹槽應(yīng)對準(zhǔn)彈贊座上凸出部分.(4)將彈贊座連同彈簧、壓環(huán)、動環(huán)密封圈和動環(huán)一起套在軸上劃線定位處，然后用固緊螺釘9將旋轉(zhuǎn)部件固定在軸上，關(guān)于彈贊的頂壓縮量，外商圖紙定為4mm，國內(nèi)一般為4~6mm，具體視單彈簧和多彈簧以及彈贊尺寸而定。動環(huán)安裝后須保證能在軸上靈活移動，將動環(huán)壓向彈贊后能自動彈回.(5)將組裝好的壓蓋10裝在填料箱體上，并用螺栓均勻地分幾次擰緊(使用四氛O形密封圈，螺栓至少間隔30分鐘，并經(jīng)多次擰緊，直至不需擰緊為止).(6)總裝以后，檢查輔助裝置是否正常。南通109-20機械密封件。CFJ3-5.5/290機械密封</p><p style="text-indent:25px">連云港109-55機械密封件。SCB428-2.0機械密封</p><p> 多級離心泵機械密封問題解析1、沒有輔助沖洗系統(tǒng)或輔助沖洗系統(tǒng)設(shè)置不合理多級離心泵機械密封的輔助沖洗系統(tǒng)是非常重要的，它可以有效地保護密封面，起到冷卻、潤滑、沖走雜物等作用。有時設(shè)計員沒有合理地配置輔助沖洗系統(tǒng)，達(dá)不到密封效果；有時雖然設(shè)計人員設(shè)計了輔助系統(tǒng)，但由于沖洗液中有雜質(zhì)，沖洗液的流量、壓力不夠，沖洗口位置設(shè)計不合理等原因，也同樣達(dá)不到密封效果。2、振動偏大機械密封振動偏大，最終導(dǎo)致失去密封效果。但機械密封振動偏大的原因往往不是機械密封本身的原因，多級離心泵的其它零部件是產(chǎn)生振動的根源，如多級離心泵泵軸設(shè)計不合理、加工的原因、軸承精度不夠、聯(lián)軸器的平行度差、徑向力大等原因。3、多級離心泵汽蝕的原因由于裝置系統(tǒng)操作不合理以及工業(yè)多級鍋爐給水泵進口汽蝕性能不好、泵的轉(zhuǎn)速偏高，在泵的入口處發(fā)生局部汽蝕，汽蝕發(fā)生后，水中會有氣泡，它一方面會沖擊機械密封面的外表面，使其表面出現(xiàn)破損；另一方面會使動靜環(huán)的吻合面的流動膜中也含有氣泡，不能形成穩(wěn)定的流動膜，造成動靜環(huán)的吻合面的干摩擦，使機械密封裝置損壞。4、機械加工精度不夠機械加工精度不夠，原因有很多，有的是機械密封本身的加工精度不夠。SCB428-2.0機械密封</p><p style="text-indent:25px">伊格爾博格曼機械密封（張家港）有限公司是一家機械密封，機械密封件，泵用機械密封，集裝式機械密封，釜用機械密封，攪拌器機械密封，金屬波紋管機械密封，泵廠配套機械密封，石家莊工業(yè)泵機械密封，襄樊五二五泵用機械密封，柳州酸王泵用機械密封，連成配套機械密封，凱泉配套機械密封，東方配套機械密封，南方配套機械密封，福斯機械密封，沃曼泵用機械密封，電廠配套機械密封，凱泉配套機械密封。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。張家港博格曼深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提供高品質(zhì)的機械密封，泵用機械密封，釜用機械密封，攪拌器機械密封。張家港博格曼致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。張家港博格曼始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2141346.html</p></div></div></div></div></div><div id="oczmovp" class="page-right twoColRt"><div id="fproq2v" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgdah3b" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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