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clearfix"><h1>連云港計量泵密封源頭好貨服務(wù)為先漣水創(chuàng)密機械供應(yīng)</h1><div id="lzw3s32" class="proBig"><div id="svxumod" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qasubyk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cq78n4r" 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>連云港計量泵密封源頭好貨</p><p><span>***更新：</span>2020-06-19 06:24:36</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="r3342gc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">漣水創(chuàng)密機械制造有限公司</a></p><p><span>聯(lián)系人：</span>袁經(jīng)理</p><p><span>郵箱: </span>lscmjx@163.com</p><p><span>電話: </span>15250888877</p><p><span>傳真: </span>153_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚民營經(jīng)濟(jì)產(chǎn)業(yè)園</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="podzb3i" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="b7dpwyf" class="box"><p><p> 為保證機械密封在高溫環(huán)境下正常工作，可以采取如下措施。 </p> <p> 給機封增加冷卻沖洗裝置，連云港計量泵密封源頭好貨，連云港計量泵密封源頭好貨。 </p> <p> 選擇耐高溫的材料，根據(jù)不同的工作溫度選用不同的材料。丁腈橡膠溫度上限為80℃，硅橡膠和氟橡膠為200℃，聚四氟乙烯為250℃。另外，機械密封中的非金屬摩擦副多采用石墨浸漬材料制成，所以也要根據(jù)不同的工作溫度選用不同種類的浸漬石墨。一般浸巴氏合金石墨適用溫度范圍小于150℃，浸樹脂石墨適用溫度范圍為170~200℃，浸銅、鋁、鉛的石墨可在小于400℃的工作條件下使用。動環(huán)組件應(yīng)盡可能選用膨脹系數(shù)相近的材料，連云港計量泵密封源頭好貨，以防止高溫下動環(huán)和動環(huán)座的連接松動。 </p> <p> 選擇金屬波紋管機械密封。金屬波紋管密封近年來在高溫密封中使用很多，并且取得了很好的效果。在該種機封中，金屬波紋管取代了普通機封中的彈簧，省去了動環(huán)輔助密封圈，不需要克服動環(huán)補償時與轉(zhuǎn)軸的摩擦和磨損，因此在高溫下使用，一般都能取得不錯的效果。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港計量泵密封源頭好貨" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg"></div><p> 高溫?zé)嵊捅弥饕谐５妆谩p底泵、催化油漿泵，該類泵的特點是溫度高（370℃-400℃）、油品粘度大、塔底有雜質(zhì)。我們針對高溫泵的這些特點采用的是YH-609系列機械密封, 結(jié)構(gòu)選型主要結(jié)合了以下幾個方面: </p> <p> 金屬波紋管旋轉(zhuǎn)結(jié)構(gòu) </p> <p> 旋轉(zhuǎn)波紋管密封在旋轉(zhuǎn)離心力作用下可以自身清洗波紋管，減少波紋管**沉積和內(nèi)側(cè)結(jié)焦，并能防止因急冷造成的波紋管變形。泵類設(shè)備轉(zhuǎn)速一般為2950r/min，機械密封線速度遠(yuǎn)小于25m/s,因此，可以選用旋轉(zhuǎn)結(jié)構(gòu)。 </p> <p> 密封結(jié)構(gòu)形式采用開槽斜面擠緊軸套 </p> <p> 這種定位傳動可靠，安裝拆卸方便且不傷軸。并設(shè)置有限位板，便于泵外調(diào)整密封的壓縮量。波紋管內(nèi)徑一處設(shè)一45℃斜角，以分散應(yīng)力，延長波紋管壽命。輔助密封采用柔性石墨替代合成橡膠，可以承受高達(dá)425℃的高溫。 </p> <p> 摩擦副材料的選取 </p> <p> 對摩擦副材料的選取我們采用“硬對硬”結(jié)構(gòu)，起初動靜環(huán)我們選擇了SiC-WC，但是運轉(zhuǎn)一段時間發(fā)現(xiàn)動環(huán)出現(xiàn)肯邊現(xiàn)象。改用YG6-YG6之后，設(shè)備運轉(zhuǎn)一直正常。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="連云港計量泵密封源頭好貨" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293635341797/9903144.jpg"></div><p> 油封主要由密封體、加強骨架和自緊螺旋彈簧等幾部分組成。密封體按照不同部位又分為底部、腰部、刃口和密封唇等。。 </p> <p> <span style="font-size:12px;">金屬骨架就如同混凝土構(gòu)件里面的鋼筋，起到加強的作用，并使油封能保持形狀及張力。通常，在自由狀態(tài)下的骨架油封，其內(nèi)徑比軸徑小，即具有一定的“過盈量”。因此，當(dāng)油封裝入油封座和軸上之后，油封刃口的壓力和自緊螺旋彈簧的收縮力對軸產(chǎn)生一定的徑向緊力，經(jīng)過一段時間運行后，該壓力會迅速減小乃至消失，因而，加上彈簧可以隨時補償油封自緊力。</span> </p> <p> <span style="font-size:12px;">油封外緣使油封在腔體孔內(nèi)固定的同時，起防止流體從油封外周面與腔體內(nèi)表面的接觸面之間泄漏及侵入的作用。另外金屬骨架是當(dāng)油封固定在腔體內(nèi)時，起保持配合力的作用。</span> </p> <p> <span style="font-size:12px;">密封唇部是柔性彈性體，設(shè)計成對機械的震動及密封流體的壓力變動的影響下仍可保持穩(wěn)定的密封作用，并起到保持唇部與軸表面穩(wěn)定接觸狀態(tài)的作用。彈簧可提高密封唇向軸的壓緊力，起維持此壓緊力的作用。唇端部被制作成斜鍥形狀，在端部處按壓軸表面，起密封流體的作用。</span> </p> <p> <span style="font-size:12px;">防塵唇是沒有與彈簧連接的副唇，起防止塵埃侵入的作用。</span> </p> <p> <br /> </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/310562.html</p></div></div></div></div></div><div id="kz2rtk3" class="page-right twoColRt"><div id="v33ie8b" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vkpmebi" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="3n37uiu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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