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class="proBig"><div id="fr8x8kf" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xl28s3v" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iw9gq3o" 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>蘇州離心泵密封可定制企業(yè),封</p><p><span>***更新：</span>2020-07-03 02:21:49</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="peyfc9k" 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(jī)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(jī): </span>153-66621921</p><p><span>地址: </span>高溝鎮(zhèn)高揚(yáng)民營(yíng)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="yc4wyn3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="koyvsm2" class="box"><p><p> 化工泵(不銹鋼材質(zhì))用于石油，蘇州離心泵密封可定制企業(yè)，化工，冶金，合成纖維，制藥，食品，合成纖維等部門用于輸送堿性腐蝕介質(zhì)；化工泵(氟塑料材質(zhì))使用于輸送任何酸性，堿性腐蝕性介質(zhì)；化工泵(鑄鐵材質(zhì))用于工業(yè)，城市給水，排水，亦可用于農(nóng)田，果園排灌，供輸送清水或物理及化學(xué)性質(zhì)類似清水的其他液體之用?；け妹芊庑问街饕?油封密封，墊片密封，螺紋密封，迷宮密封，填料密封和動(dòng)力密封。 </p> <p> 化工泵在與運(yùn)轉(zhuǎn)時(shí)，副葉輪所產(chǎn)生的壓頭平衡了主葉輪出口高壓液體，從而實(shí)現(xiàn)密封。停車時(shí)，副葉輪不起作用，因此必須同時(shí)配備停車密封裝置解決停車時(shí)可能產(chǎn)生的化工泵泄漏。副葉輪密封結(jié)構(gòu)簡(jiǎn)單，密封可靠，使用壽命長(zhǎng)，化工泵運(yùn)轉(zhuǎn)中可實(shí)現(xiàn)滴水不漏，因此在化工泵輸送含雜質(zhì)介質(zhì)的泵上經(jīng)常采用，蘇州離心泵密封可定制企業(yè)。裝O形圈的溝槽尺寸超差，蘇州離心泵密封可定制企業(yè)，尤其是深度尺寸過大時(shí)，使O形圈安裝后壓縮變形量不足而影響密封能力。蘇州離心泵密封可定制企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州離心泵密封可定制企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293837011719/358206.jpg"></div><p> 油封的骨架和彈簧是金屬制作，密封唇口等主要部分為橡膠。油封根據(jù)使用環(huán)境，可以用不同的橡膠進(jìn)行生產(chǎn)，以滿足密封的性能和要求。**常用的耐油橡膠是丁腈橡膠，丁腈橡膠為目前油封及O型圈使用**普遍的橡膠之一。 </p> <p> <span style="font-size:12px;">可說是目前用途**廣、成本比較低的橡膠密封件。制造油封常用的還有聚丙酸酯橡膠、硅橡膠、氟橡膠和聚四氟乙烯等。各種橡膠的性能請(qǐng)參見：主要橡膠的種類與特長(zhǎng)。 </span> </p> <p> <span style="font-size:12px;"> </span> </p> <p> 油封所使用的場(chǎng)合，其適用的密封介質(zhì)一般是礦物潤(rùn)滑油、潤(rùn)滑脂和合成潤(rùn)滑油、潤(rùn)滑脂。另外也可密封工業(yè)生產(chǎn)中使用的DIN51524液壓油類，VDMA24317以及VDMA24320高阻燃液壓油類，低潤(rùn)滑特性的硅油類。在特殊情況下也可密封潤(rùn)滑性低的酸類，堿類，有機(jī)溶劑類等腐蝕性介質(zhì)。 </p> <p> <span style="font-size:12px;">通常采用氟橡膠材料的油封其耐腐蝕性，耐高溫性都要比NBR材質(zhì)的好，在無潤(rùn)滑、純干燥和多介質(zhì)的條件下建議采用PTFE密封唇制作的油封，其密封唇有足夠的潤(rùn)滑能力，降低唇緣的磨損。單個(gè)油封不宜密封兩種不同的介質(zhì)，大量的化學(xué)物質(zhì)增加了對(duì)于油封材質(zhì)性能的影響，油封對(duì)密封介質(zhì)的相容性應(yīng)該通過實(shí)驗(yàn)室試驗(yàn)來確定。</span> </p> <br /> <p> <br /> 蘇州單級(jí)泵密封制造廠家密封件必須存放在密封包裝內(nèi)，避免和空氣中的水分或塵埃接觸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州離心泵密封可定制企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247296977294922/7112794.jpg"></div><p> 泵用機(jī)械密封選型要點(diǎn) </p> <p> 美國(guó)石油協(xié)會(huì)API 682(Pumps-Shaft Sealing Systems for Centrifugal and Rotary Pumps)標(biāo)準(zhǔn)中對(duì)機(jī)械密封的類別(Categories)、類型(Types)、布置方式(Arrangements)、沖洗方案(Flush plans)等進(jìn)行了分類，在工程應(yīng)用中機(jī)械密封的選型也應(yīng)注重以上要點(diǎn)進(jìn)行分析。 </p> <p> 另外，機(jī)械密封的 pV 值是選擇、使用和設(shè)計(jì)機(jī)械密封的重要參數(shù)，功耗、磨損與溫升都與該值有關(guān)。pV 值越高，機(jī)械密封的技術(shù)水平及難度系數(shù)越高。 </p> <p> 機(jī)械密封類別(Categories)的選擇 </p><p> 強(qiáng)酸強(qiáng)堿介質(zhì)具有較強(qiáng)的腐蝕性，且易結(jié)晶，為了防止介質(zhì)對(duì)密封彈性元件的腐蝕，應(yīng)使彈性元件與介質(zhì)隔離，采用外裝結(jié)構(gòu)，第3 種布置方式(背靠背或面對(duì)面)。O 形圈材料選用耐腐蝕的氟橡膠或全氟橡膠。動(dòng)靜環(huán)選用硬對(duì)硬(碳化鎢或碳化硅)配置。 </p> <p> 強(qiáng)酸強(qiáng)堿泵現(xiàn)場(chǎng)大多采用單端面密封，因而密封背面大多出現(xiàn)結(jié)晶結(jié)垢，對(duì)設(shè)備造成腐蝕等現(xiàn)象。為了避免該現(xiàn)象發(fā)生，使現(xiàn)場(chǎng)更加清潔，可直接選用PLAN54(見圖4)。煉油裝置中大多數(shù)酸泵或堿泵的入口壓力較低，基本為常壓，因此PLAN54 的沖洗源可直接用循環(huán)水。該方案雖然選用了雙端面密封，但從經(jīng)濟(jì)角度考慮*增加了一對(duì)摩擦副，沒有另外增加輔助系統(tǒng)，既節(jié)約了投資成本又滿足了現(xiàn)場(chǎng)要求。與密封件相對(duì)滑動(dòng)零件的幾何位置精度(同心度)高材質(zhì)好(如鍍硬鉻)和表面粗糙度較細(xì)可延長(zhǎng)使用壽命。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州離心泵密封可定制企業(yè),封" src="https://tyunfile.71360.com/UploadFile/lscmjx/637247293743222656/8640266.jpg"></div><p> 為保證機(jī)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(jī)封增加冷卻沖洗裝置。 </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(jī)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(dòng)環(huán)組件應(yīng)盡可能選用膨脹系數(shù)相近的材料，以防止高溫下動(dòng)環(huán)和動(dòng)環(huán)座的連接松動(dòng)。 </p> <p> 選擇金屬波紋管機(jī)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(jī)封中，金屬波紋管取代了普通機(jī)封中的彈簧，省去了動(dòng)環(huán)輔助密封圈，不需要克服動(dòng)環(huán)補(bǔ)償時(shí)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(cuò)的效果。 </p> <p> <br /> 密封面合理的間隙，機(jī)械密封的平衡程度，密封端面液膜的閃蒸都是造成端面打開而使固體顆粒進(jìn)入的主要原因。鹽城單級(jí)泵密封的用途和特點(diǎn)</p><p style="text-indent:25px">人們?cè)诜治鰴C(jī)械密封泄漏原因時(shí)，在機(jī)械封自身方面查找原因，比如：它的選型如是否合適，材料選擇是否正確。蘇州離心泵密封可定制企業(yè)</p><p> 水泵出現(xiàn)滲水的部位主要是兩個(gè)部分，一是水泵的軸承密封件，一般此處漏是從水泵的溢流孔流出，此時(shí)需要更換水泵；二是水泵的也發(fā)動(dòng)機(jī)結(jié)合部件的密封件，這里可以單獨(dú)更換此零件（提醒大家要注意避免“小病大治”）。 </p> <p> 水泵滲漏的原因：由于水泵設(shè)計(jì)原因，水泵軸承收到側(cè)面單邊力量過大，也就是皮帶輪側(cè)偏心力大，容易導(dǎo)致水泵軸承偏磨；加之大家平時(shí)急加速的和急收油等加速皮帶對(duì)水泵軸承的沖擊（這是從用的角度出發(fā)）；內(nèi)部缺水，水泵軸承得不到冷卻液的潤(rùn)滑，也會(huì)導(dǎo)致密封件損壞（這是從養(yǎng)的角度出發(fā)）；防凍液長(zhǎng)時(shí)間不更換，雜質(zhì)增加加速磨損（同樣也是養(yǎng)的問題）；蘇州離心泵密封可定制企業(yè)</p><p style="text-indent:25px">漣水創(chuàng)密機(jī)械制造有限公司注冊(cè)資金200-300萬元，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務(wù)涵蓋[ "輕型密封", "中型密封", "重型密封", "小型水泵" ]等，價(jià)格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供質(zhì)量的產(chǎn)品及服務(wù)。截止當(dāng)前，我公司年?duì)I業(yè)額度達(dá)到700-1000萬元，爭(zhēng)取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/475465.html</p></div></div></div></div></div><div id="8gfg8hj" class="page-right twoColRt"><div id="fuj82nf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bq2m3ia" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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