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id="rqx4fvf" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>全國螺桿泵廠家直供,螺桿泵</p><p><span>***更新：</span>2020-09-14 02:04:32</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="rkm0mp8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市群勛科技有限公司</a></p><p><span>聯(lián)系人：</span>張華</p><p><span>郵箱: </span>zh@qxunad.com</p><p><span>電話: </span>18603057926</p><p><span>傳真: </span>0755_23156458</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-33075040</p><p><span>地址: </span>光明新區(qū)公明街道民生路70號銘源商務(wù)大廈808室</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="8xoy87b" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ftfk4t7" class="box"><p><p> 使用機械密封注意事項 </p> <p> 1、機械密封是無泄漏密封，如發(fā)現(xiàn)泄漏應(yīng)及時檢查解決。 </p> <p> 2、禁止無介質(zhì)干轉(zhuǎn)，防止密封摩擦損壞。 </p> <p> 3、當(dāng)泵送高粘度、含顆粒或腐蝕性介質(zhì)時，在泵較長期停止運轉(zhuǎn)前，應(yīng)充分清洗，防止介質(zhì)沉積，然后在整個系統(tǒng)中用清水或清油循環(huán)洗泵。 </p> <p> 4，全國螺桿泵廠家直供、注意保持摩擦端表面清潔，防止損壞，尤其動靜環(huán)材料為碳化硅時，因碳化硅很脆，拆裝中必須特別注意，如摩擦端表面損壞，橡膠件破損應(yīng)及時更換，全國螺桿泵廠家直供，更換時必須加潤滑脂。 </p> <p> 5，全國螺桿泵廠家直供、動、靜環(huán)各有一個環(huán)形密封圈，保持靜環(huán)對密封箱，動環(huán)對軸的密封。如果老化，要及時更換。螺桿泵的壓力確定：單螺桿泵比較大輸出壓力是根據(jù)襯套級數(shù)即襯套的導(dǎo)程數(shù)來確定： </p> <p> <br /> 主要工作部件是偏心螺桿（轉(zhuǎn)子）和固定的襯套（定子）。全國螺桿泵廠家直供</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全國螺桿泵廠家直供,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876904189453/2939220.jpg"></div><p> 2.啟動： </p> <p> <br /> </p> <p> a啟動泵，檢查泵的聲音及振動情況。 </p> <p> <br /> </p> <p> b在確認(rèn)沒有異常的情況下打開泵的出口閥。 </p> <p> <br /> </p> <p> 3.正常停車關(guān)閉出口閥，然后立即停止電動機，隨后再關(guān)閉進(jìn)口閥。 </p> <p> <br /> </p> <p> 4.緊急停車立即停止電動機，然后再關(guān)閉出口閥和進(jìn)口閥。 </p> <p> <br /> </p> <p> 螺桿泵常見問題解析： </p> <p> <br /> </p> <p> 1.螺桿泵因氣蝕而導(dǎo)致的問題：泵產(chǎn)生氣蝕的原因主要有泵入口管阻大、輸送介質(zhì)氣相較多、灌泵不充分、泵入口能頭不夠等原因。氣蝕對泵的危害比較大，發(fā)生氣蝕時泵劇烈振動，平衡嚴(yán)重破壞，將導(dǎo)致泵軸承、轉(zhuǎn)子或葉輪損壞。這是螺桿泵故障發(fā)生的常見原因。 </p> <p> <br /> 廣州螺桿泵生產(chǎn)廠商但井的條件常不容許將泵置于流體進(jìn)入層下方，則考慮用井下氣分離器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全國螺桿泵廠家直供,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876905791015/1752868.jpg"></div><p> 3、螺桿泵的螺桿在機筒內(nèi)轉(zhuǎn)動，物料與二者的摩擦，使螺桿與機筒的工作表面逐漸磨損：螺桿直徑逐漸縮小，機筒的內(nèi)孔直徑逐漸加大。這樣，螺桿與機筒的配合直徑間隙，隨著二者的逐漸磨損而一點點加大?？墒牵捎跈C筒前面機頭和分流板的阻力沒有改變，這就增加了被擠塑物料前進(jìn)時的漏流量，即物料從直徑間隙處向進(jìn)料方向流動量增加。結(jié)果使塑膠機械生產(chǎn)量下降。這種現(xiàn)象又使物料在機筒內(nèi)停留時間增加，造成物料分解。如果是聚乙烯，分解產(chǎn)生的氯化氫氣體加強了對螺桿和機筒的腐蝕。 </p> <p> <br /> </p> <p> 4、物料中如有碳酸鈣和玻璃纖維等填充料，能加快螺桿和機筒的磨損。 </p> <p> <br /> </p> <p> 5、由于物料沒有塑化均勻，或是有金屬異物混入料中，使螺桿轉(zhuǎn)動扭矩力突然增加，這種扭矩超出螺桿的強度極限，使螺桿扭斷。這是一種非常規(guī)***損壞。 </p> <p> <br /> </p> <p> <br /> </p><p> 疲勞失效主要是在交變應(yīng)力作用影響下形成的，一般表現(xiàn)為低應(yīng)力脆性斷裂，且局部性質(zhì)發(fā)生改變。長時間使用后，使得橡膠材料性能發(fā)生變化而產(chǎn)生漏失問題，難以滿足實際工作要求，因此，設(shè)備結(jié)構(gòu)對于設(shè)備密封性具有直接影響。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 3、橡膠襯套剪切應(yīng)力 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 在過盈配合作用影響下，變形抗力在襯套與密封位置產(chǎn)生接觸應(yīng)力，確保相鄰兩個腔室間密封。設(shè)備在運行過程中，轉(zhuǎn)子與液壓力之間會產(chǎn)生剪切力，一旦超過橡膠材料強度，勢必會撕裂橡膠襯套，從而產(chǎn)生漏失，難以滿足生產(chǎn)需求。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 單螺桿泵流量與泵的轉(zhuǎn)速成正比，因而具有良好的變量調(diào)節(jié)性.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全國螺桿泵廠家直供,螺桿泵" src="http://tyunfile.71360.com/UploadFile/qunxun/637211876906914062/9768480.jpg"></div><p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 2.啟動前的準(zhǔn)備 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 經(jīng)過***檢查，確認(rèn)一切正常后，才可作啟動的準(zhǔn)備工作。應(yīng)有以下幾項工作。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （1）關(guān)閉排水管路上的閥門，以降低啟動電流； </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （2）打開放氣旋塞，向水螺桿泵內(nèi)灌水，同時用手轉(zhuǎn)動聯(lián)軸器，使葉輪內(nèi)殘存的空氣盡可能排出，直至放氣旋塞有水冒出時，再將其關(guān)閉； </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> （3）大型水螺桿泵用真空螺桿泵抽氣灌水時，應(yīng)關(guān)閉放氣旋塞及真空表和壓力表的旋塞，以保護儀表的準(zhǔn)確性。 3.啟動 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 完成以上準(zhǔn)備工作后，便可啟動螺桿泵。啟動后待水螺桿泵轉(zhuǎn)速穩(wěn)定，電流表指針擺動到指定位置，這時再把真空表及壓力表的旋塞打開，并慢慢開啟出口閥門，水螺桿泵進(jìn)人正常運行。與此同時還應(yīng)將水封管的閥門打開。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 螺桿泵啟動后空轉(zhuǎn)時間不能太長，通常以2～4min為限，如果時間過長，水的溫度就會升高，可能導(dǎo)致汽蝕現(xiàn)象或其他不良后果。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 采用***無味的食用橡膠，工作溫度可達(dá)120攝氏度。深圳螺桿泵性價比高企業(yè)</p><p style="text-indent:25px">重新裝泵前，應(yīng)做好各項更換、維修的準(zhǔn)備工作。全國螺桿泵廠家直供</p><p> 第三梯度是國內(nèi)企業(yè)產(chǎn)品。國內(nèi)螺桿泵企業(yè)在技術(shù)上和品牌上處于劣勢，只能通過壓低價格、提高服務(wù)質(zhì)量、減少交貨周期來贏得客戶，因而價格往往比進(jìn)口螺桿泵要低20％－30％。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 從產(chǎn)品結(jié)構(gòu)來看，螺桿泵產(chǎn)品種類較多，規(guī)格復(fù)雜，價格跨度較大。加上一些中小企業(yè)以低廉的價格進(jìn)行惡性競爭，擾亂了市場價格。一般而言，原材料等級越高、產(chǎn)品規(guī)格越高的螺桿泵價格更高。分種類而言，三螺桿泵結(jié)構(gòu)簡單，便于維修，價格也相對較低。雖然我國國內(nèi)的螺桿泵與國外專業(yè)公司相比還存在差距，但隨著我國螺桿泵科研力量的投入及應(yīng)用實踐的增多，螺桿泵未來發(fā)展趨勢是開發(fā)低轉(zhuǎn)速，長導(dǎo)程，傳動量部件材質(zhì)優(yōu)良，額定壽命長的產(chǎn)品替代原來傳統(tǒng)螺桿泵。 </p> <p> <br /> </p> <p> <br /> 全國螺桿泵廠家直供</p><p style="text-indent:25px">深圳市群勛科技有限公司致力于機械及行業(yè)設(shè)備，是一家貿(mào)易型公司。公司業(yè)務(wù)分為視覺噴點膠機，點膠閥，壓力泵，壓痕檢測機等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在機械及行業(yè)設(shè)備深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造機械及行業(yè)設(shè)備良好品牌。群勛科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1271336.html</p></div></div></div></div></div><div id="xvxhqrd" class="page-right twoColRt"><div id="8ycyne8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pxjlxo8" 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