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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>天水蘇爾壽泵用機(jī)械密封選型,泵用機(jī)械密封</p><p><span>***更新：</span>2021-02-04 13:18:27</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vnz888n" 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="vnegszq" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vsu8gwn" class="box"><p><p> 但后三種材料的軸對(duì)油封的密封都有缺陷。八、油封的安裝1.裝機(jī)前，油封應(yīng)在唇口之間適量涂抹上添加有二硫化鉬的鋰基酯，防止軸在瞬間啟動(dòng)時(shí)，對(duì)唇口造成干磨現(xiàn)象，影響唇口的過(guò)盈量，并應(yīng)盡快，裝配。裝好油封的油封座，如果不是馬上裝機(jī)，則建議在上面用布覆蓋防止異物附著油封。涂鋰基脂的手或工具一定要干凈。2.油封要平裝，不能有傾斜的現(xiàn)象。建議采用油壓設(shè)備或套筒工具安裝。壓力不要太大，速度要均勻，天水蘇爾壽泵用機(jī)械密封選型、要慢。3.油封安裝時(shí)應(yīng)涂敷油液或潤(rùn)滑油，并將軸端和軸肩倒圓。4.安裝油封時(shí)，一定要使唇緣端朝向被密封的油液一側(cè)，切忌反向裝配，天水蘇爾壽泵用機(jī)械密封選型。5.油封裝入座孔時(shí)，應(yīng)采用**工具推入，防止位置偏斜。6.油封唇緣通過(guò)的螺紋、鍵槽、花鍵等處應(yīng)采取各種措施來(lái)防止唇緣損傷，并用**工具裝配。7.拆卸油封時(shí)應(yīng)避免碰傷腔體內(nèi)表面和軸的表面。8.使用過(guò)的油封，即使外觀再好也不能再使用，天水蘇爾壽泵用機(jī)械密封選型，必須更換新的油封。9.軸表面有碰傷或銹蝕時(shí)，必須進(jìn)行修補(bǔ)。10.裝入新油封時(shí)，為了使其離開(kāi)舊的唇部接觸部位，應(yīng)使用墊片避開(kāi)原來(lái)的摩擦痕跡。貴州化工泵用機(jī)械密封泄露。天水蘇爾壽泵用機(jī)械密封選型</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水蘇爾壽泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990697626953/3923738.png"></div><p> 目前動(dòng)環(huán)和軸套的密封方法可分為三類：輔助密封圈軸向安裝的動(dòng)環(huán)、輔助密封圈徑向安裝的動(dòng)環(huán)和帶波紋管的動(dòng)環(huán)。輔助密封圈軸向安裝的動(dòng)環(huán)（圖18），靠彈簧力壓緊密封圈來(lái)實(shí)現(xiàn)密封。彈簧力可視為不變化，密封可靠、使用壽一命長(zhǎng)、安裝較方便，從而得到應(yīng)用。輔助密封圈徑向安裝的動(dòng)環(huán)（圖19），靠密封圈的過(guò)盈和彈性實(shí)現(xiàn)密封，其材料大多用聚四氟乙烯和合成橡膠。隨著使用時(shí)間的延長(zhǎng)，這兩種材料分別出現(xiàn)冷流變形和老化而喪失彈性。有文獻(xiàn)記載，這種結(jié)構(gòu)的密封，有40%的失效發(fā)生在輔助密封圈部位。第三種動(dòng)環(huán)是指波紋管型密封，將動(dòng)環(huán)和波紋管制成一個(gè)整體（圖8），故不需要?jiǎng)迎h(huán)密封圈。靜環(huán)安裝在機(jī)器設(shè)備的殼體、壓蓋、法蘭等靜止部位上，它與動(dòng)環(huán)組成的密封端面防止介質(zhì)泄漏，也有補(bǔ)償環(huán)和非補(bǔ)償環(huán)之分。當(dāng)補(bǔ)償機(jī)構(gòu)設(shè)計(jì)在動(dòng)環(huán)一側(cè)時(shí)，密封端面磨損后，靜環(huán)不能進(jìn)行補(bǔ)償，叫做非補(bǔ)償型靜環(huán)。反之，稱為補(bǔ)償型靜環(huán)，當(dāng)密封端面磨損后，靜環(huán)在彈性元件作用下，做軸向移動(dòng)進(jìn)行補(bǔ)償。非補(bǔ)償型靜環(huán)應(yīng)用較多，都用于旋轉(zhuǎn)型密封。靜環(huán)與壓蓋的密封和固定方式有兩種，一是浮動(dòng)型，一是固定型。具體的結(jié)構(gòu)種類很多，圖20和圖21給出了較為典型的結(jié)構(gòu)。遼寧凱泉泵用機(jī)械密封圖木舒克襄樊五二五泵用機(jī)械密封選型。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水蘇爾壽泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990554648437/1913587.png"></div><p> 其抗拉強(qiáng)度和硬度增加而韌性下降.塑料和橡膠的低溫性能比金屬材料更為敏感.一般情況下，塑料和橡膠只能在-50℃以上的溫度范圍使用。對(duì)于低溫泵，資料[13]介紹:丁睛橡膠的使用溫度限為-60℃氯丁橡膠為-65℃，硅酮橡膠為-80℃，氟化橡膠為-45℃，聚四氟乙烯為-79℃，并認(rèn)為使用以上這些材料作填料的機(jī)械密封以-70℃為使用極限。如果介質(zhì)溫度在-70℃以下，則使用波紋管型機(jī)械密封或者雙端面機(jī)械密封.資料[6]介紹聚四氟乙烯在氦的沸點(diǎn)(℃)還能保持一點(diǎn)柔軟性，適宜做低溫材料，但聚四氟乙烯的膨脹系數(shù)大，所以在-50~-100℃溫度使用時(shí)，常采用四氟填充石墨或玻璃纖維，而不用純四氟材料.此外，在低溫時(shí)，V形圈裝到軸套上后，動(dòng)環(huán)往往不能浮動(dòng)。因此，要注意V形圈的組裝尺寸。關(guān)于低溫機(jī)械密封及低溫泵材料如表10-4所示。低溫時(shí)PTFE的機(jī)械性能如表10-5所示。2.結(jié)構(gòu)要求在一般的0~-50℃低溫下，常采用單端面機(jī)械密封，有非平衡或平衡型結(jié)構(gòu)，但多數(shù)選用平衡型結(jié)構(gòu)，這是因?yàn)槊芊舛嗣娴囊盒萁?jīng)摩擦后溫度升高，液膜壓力隨之升高而將密封面推開(kāi)，泄漏加劇。因此，低溫時(shí)的端面比壓要選高值。在液溫低于-70℃時(shí)，則采用波紋管密封或雙端面密封.不過(guò)使用雙端面密封時(shí)。</p><p> 為了使機(jī)械密封做到密封性能可靠，使用壽命長(zhǎng)，對(duì)其零件的尺寸、配合、形位公差等均有相應(yīng)的要求。關(guān)鍵尺寸一定要嚴(yán)格按公差要求加工，非關(guān)鍵尺寸在不影響密封性能和安裝尺寸的前提下，可適當(dāng)降低要求，這對(duì)于降低成本、普及推廣機(jī)械密封技術(shù)均有好處。根據(jù)國(guó)內(nèi)技術(shù)標(biāo)準(zhǔn)規(guī)定的機(jī)械密封技術(shù)條件及制造水平，參考國(guó)外同類產(chǎn)品的加工尺寸及精度要求，對(duì)常用機(jī)械密封零件的公差配合及技術(shù)要求介紹如下。一、機(jī)械密封零件的公差與配合關(guān)于機(jī)械密封零件的公差與配合，以內(nèi)裝式泵用機(jī)械密封零件為例作介紹，其他結(jié)構(gòu)類型機(jī)械密封的主要零件配合及公差均可參考，并根據(jù)情況做適當(dāng)調(diào)整，機(jī)械密封零件的公差與配合如圖9-1所示。①安裝機(jī)械密封軸徑公差；②彈簧座內(nèi)徑與軸公差；③推環(huán)內(nèi)徑與軸的配合公差；④推環(huán)接觸密封圈處端面的內(nèi)徑偏差；⑤推環(huán)接觸密封圈處端面的外徑偏差；⑥傳動(dòng)套內(nèi)徑公差；⑦動(dòng)環(huán)安裝密封圈處內(nèi)徑公差；⑧動(dòng)環(huán)內(nèi)徑與軸的配合公差；⑨傳動(dòng)套傳動(dòng)的動(dòng)環(huán)外徑公差；⑩撐環(huán)內(nèi)徑公差；?撐環(huán)外徑公差；?鑲環(huán)結(jié)構(gòu)配合公差（此公差*供參考，制造時(shí)應(yīng)根據(jù)實(shí)際情況核算確定公差尺寸）；?靜環(huán)外徑與壓蓋（或殼體）的配合公差；?靜環(huán)內(nèi)徑偏差；?靜環(huán)尾部與靜環(huán)座。河北水泵用機(jī)械密封型號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天水蘇爾壽泵用機(jī)械密封選型,泵用機(jī)械密封" src="https://tyunfile.71360.com/UploadFile/ygebgm/637324990676972656/2521191.png"></div><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)。遵義渣漿泵用機(jī)械密封廠家。天水蘇爾壽泵用機(jī)械密封選型</p><p style="text-indent:25px">山西格蘭富泵用機(jī)械密封型號(hào)。天水蘇爾壽泵用機(jī)械密封選型</p><p> 火力發(fā)電廠燃燒排放煙氣中含有大量有害物質(zhì)，排放到大氣中會(huì)對(duì)環(huán)境造成嚴(yán)重污染。煙氣脫硫(FGD-FlueGasDesulphurization)，就是從煙氣中除去硫化物（SO2）。煙氣脫硫設(shè)備可以將絕大部分硫化物從電廠煙氣中除去，以達(dá)到排放標(biāo)準(zhǔn)保護(hù)環(huán)境。目前大型火力發(fā)電廠多采用比較成熟的濕法工藝進(jìn)行煙氣脫硫,這種脫硫方法工藝簡(jiǎn)單，所以比較普遍.濕法煙氣脫硫，煙氣通過(guò)包含在水溶液中的吸收劑進(jìn)行反應(yīng)，吸收劑可以使用氨液或亞硫酸鈉等材料。但是應(yīng)用比較廣的是采用石灰或石灰石漿液作為吸收劑。采用石灰或石灰石漿液，使鍋爐尾部煙氣在噴淋塔內(nèi)與之接觸反應(yīng)，漿液中的鈣同煙氣中的SO2反應(yīng)，生成石膏，同時(shí)去除煙氣中的其他污染物，如粉塵、HF、SO3等。為此，應(yīng)在塔外安裝大型循環(huán)泵，向塔內(nèi)循環(huán)供給石灰石漿液。另外，這種工藝還需要這些泵設(shè)備,如:漿液循環(huán)泵、石膏排漿泵、工藝水泵、除霧器沖洗水泵、石灰石漿液輸送泵、事故漿液泵、地坑泵、回收水泵、脫水區(qū)地坑泵、制漿區(qū)地坑泵等；還有氧化風(fēng)機(jī)、增壓風(fēng)機(jī)、脫水用水環(huán)式真空泵（各廠不一定相同）、各種潤(rùn)滑油泵、液壓油泵、密封風(fēng)機(jī)。泵的類型來(lái)說(shuō)，電廠用的主要是離心泵，還有軸流泵、柱塞泵。但是就脫硫來(lái)說(shuō)。天水蘇爾壽泵用機(jī)械密封選型</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3160810.html</p></div></div></div></div></div><div id="fxelnz3" class="page-right twoColRt"><div id="zlxegse" class="box01 margin10 clearfix"><h3><a 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