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src="https://tyunfile.71360.com/WaterMark/UploadFile/shjiuxinjd/637395735177635395/6441395.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jnfc2o2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/shjiuxinjd/637395735177635395/6441395.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="32n8ik8" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣州JRP-500羅茨真空泵怎么樣,羅茨泵</p><p><span>***更新：</span>2021-01-22 12:22:44</p><p><span id="click" >瀏覽次數(shù)：14次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8veqneg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海久信機(jī)電設(shè)備制造有限公司</a></p><p><span>聯(lián)系人：</span>高經(jīng)理</p><p><span>郵箱: </span>gaolan@joysungroup.com</p><p><span>電話: </span>13761505659</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.joysun-machinery.com</p><p><span>手機(jī): </span>021-68915089</p><p><span>地址: </span>合慶工業(yè)園區(qū)凱慶路385號</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="g3bqiz7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yhj3umt" class="box"><p><p style="text-indent:25px">羅茨泵的主要特點是轉(zhuǎn)子表面不需潤滑，無磨損，適用于比齒輪泵流量大的場合，效率比齒輪泵高。但無自吸能力，泵的轉(zhuǎn)速同樣也受液體粘度的影響。粘度超過一定值就需降低泵的轉(zhuǎn)速改變轉(zhuǎn)子間隙、轉(zhuǎn)子形狀和泵的轉(zhuǎn)速，這種泵可以滿足較寬的使用范圍。羅茨真空泵（簡稱：羅茨泵）是指泵內(nèi)裝有兩個相反方向同步旋轉(zhuǎn)的葉形轉(zhuǎn)子，廣州JRP-500羅茨真空泵怎么樣，轉(zhuǎn)子間、轉(zhuǎn)子與泵殼內(nèi)壁間有細(xì)小間隙而互不接觸的一種變?nèi)菡婵毡?。羅茨真空泵在石油、化工、塑料、農(nóng)藥、汽輪機(jī)轉(zhuǎn)子動平衡，廣州JRP-500羅茨真空泵怎么樣、航空航天空間模擬等裝置上得到了長期運行的考驗，所以應(yīng)該大力推廣和應(yīng)用。同時也普遍用于石油、化工、冶金、紡織等工業(yè)。真空泵配件作為真空泵消音器，用于真空泵的噪聲治理。羅茨泵是一種無內(nèi)壓縮的真空泵，通常壓縮比很低，廣州JRP-500羅茨真空泵怎么樣，故高、中真空泵需要前級泵。廣州JRP-500羅茨真空泵怎么樣</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州JRP-500羅茨真空泵怎么樣,羅茨泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/shjiuxinjd/637395735177635395/6441395.png"></div><p style="text-indent:25px">如果羅茨泵的密封方式選擇軸套密封的話工作效率則會有效降低，在選擇羅茨泵的時候需要特別注意。羅茨泵在使用過程中如果導(dǎo)致真空度降低，此時需要檢查不可缺少的一點是羅茨泵轉(zhuǎn)子之間的間隙是否有所變化，如果羅茨泵的轉(zhuǎn)子間隙變大，則需要更換羅茨泵，因為此類羅茨泵在生產(chǎn)加工過程中沒有對羅茨泵轉(zhuǎn)子做靜動平衡，或者是采用軸套密封的。羅茨真空泵的功能就是從真空室中抽除氣體分子，降低真空室內(nèi)的氣體壓力，使它達(dá)到至大要求的真空度。廣州JRP-500羅茨真空泵怎么樣羅茨泵多用在羅茨真空機(jī)組中，它的作用是提高抽速和前級泵的真空度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州JRP-500羅茨真空泵怎么樣,羅茨泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/shjiuxinjd/637389676212613651/4352860.png"></div><p style="text-indent:25px">羅茨泵（全稱羅茨真空泵）是一種旋轉(zhuǎn)式變?nèi)菡婵毡?。它是由羅茨鼓風(fēng)機(jī)演變而來的。根據(jù)羅茨真空泵工作范圍的不同，又分為直排大氣的低真空羅茨泵；中真空羅茨泵（又稱機(jī)械增壓泵）和高真空多級羅茨泵，真空設(shè)備的一種。羅茨泵是一種無內(nèi)壓縮的真空泵，通常壓縮比很低，故高、中真空泵需要前級泵。羅茨泵的極限真空除取決于泵本身結(jié)構(gòu)和制造精度外，還取決于前級泵的極限真空。為了提高泵的極限真空度，可將羅茨泵串聯(lián)使用。羅茨泵的工作原理與羅茨鼓風(fēng)機(jī)相似。由于轉(zhuǎn)子的不斷旋轉(zhuǎn)，被抽氣體從進(jìn)氣口吸入到轉(zhuǎn)子與泵殼之間的空間v0內(nèi)，再經(jīng)排氣口排出。由于吸氣后v0空間是全封閉狀態(tài)，所以，在泵腔內(nèi)氣體沒有壓縮和膨脹。</p><p style="text-indent:25px">在羅茨真空泵中吸入氣體被壓縮的過程不是連續(xù)的，而是突然的。吸入氣體隨轉(zhuǎn)子轉(zhuǎn)動而被封閉于腔內(nèi)，又隨轉(zhuǎn)子的旋轉(zhuǎn)，使腔內(nèi)的氣體突然與排氣口接通。由于排氣一側(cè)的氣體壓力較高，排氣口處的氣體就向腔中返沖，然后又隨著轉(zhuǎn)子的旋轉(zhuǎn)而被驅(qū)趕排出泵外。這樣的過程在每旋轉(zhuǎn)一周中兩個轉(zhuǎn)子共進(jìn)行四次排氣過程。氣體的流動情況可以設(shè)想：假若每次返沖到泵腔中的氣體是冷的，則可以在高溫的泵腔內(nèi)吸收大量的熱量，這些吸收了熱量的氣體又在轉(zhuǎn)子的繼續(xù)壓縮中排出，從而會達(dá)到轉(zhuǎn)子冷卻的目的。在羅茨真空泵中吸入氣體被壓縮的過程不是連續(xù)的，而是突然的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州JRP-500羅茨真空泵怎么樣,羅茨泵" src="https://tyunfile.71360.com/WaterMark/UploadFile/shjiuxinjd/637395735197742954/7595193.png"></div><p style="text-indent:25px">當(dāng)發(fā)現(xiàn)泵在運轉(zhuǎn)中產(chǎn)生異常雜音后，應(yīng)立即檢查泵的啟動壓力是否符合規(guī)定值，可用電流表檢查泵電機(jī)的輸入電流是否合乎額定值，有無異常的高或低。還應(yīng)檢查泵內(nèi)潤滑油的情況及泵的安放位置是否合適。發(fā)現(xiàn)問題后，要立即采取相應(yīng)的措施解決。羅茨真空泵工作時轉(zhuǎn)子與轉(zhuǎn)子，轉(zhuǎn)子與泵體互相不接觸，因此沒有直接磨損，但由于間隙很小（一般0.10～0.25 mm），經(jīng)長期運轉(zhuǎn)后傳動齒輪磨損，當(dāng)齒側(cè)間隙大于轉(zhuǎn)子間至小間隙時，將產(chǎn)生相碰而發(fā)生故障，此時則應(yīng)更換齒輪。一般在運轉(zhuǎn)一年則應(yīng)進(jìn)行大修一次，檢查齒輪及軸承的磨損情況，檢查密封裝置，更換密封圈（環(huán)），檢查轉(zhuǎn)子腐蝕情況，轉(zhuǎn)子結(jié)垢情況，泵體內(nèi)表面腐蝕情況和結(jié)垢情況。清洗測量磨損超出規(guī)定尺寸時，應(yīng)調(diào)整間隙或更換零件。羅茨真空機(jī)組整套機(jī)組安裝在一個機(jī)架上，配以管道、閥門、電器操作控制箱、冷卻水管系統(tǒng)。廣州JRP-500羅茨真空泵怎么樣</p><p style="text-indent:25px">羅茨泵普遍用于真空采集的各個方面。廣州JRP-500羅茨真空泵怎么樣</p><p style="text-indent:25px">羅茨泵普遍用于真空采集的各個方面。它們在較低的入口壓力下擴(kuò)展了油封機(jī)械回真空泵的工作范圍答。它們具有體積小，抽速大的特點，在1~100pa的入口壓力范圍內(nèi)具有較大的抽氣壓力。速度，特別適用于在低入口壓力下需要高抽速的真空系統(tǒng)，如電力互感器的真空干燥，電力電容器，電力變壓器，真空浸漬處理，真空熱處理，真空冶煉的排氣，真空鍍膜設(shè)備預(yù)抽，大型試驗風(fēng)洞的疏散和照明生產(chǎn)線的排氣等。羅茨真空泵普遍用于真空冶金中的冶煉、脫氣、軋制，以及化工、食品、醫(yī)藥工業(yè)中的真空蒸餾、真空濃縮和真空干燥等方面。真空泵配件為用于真空泵噪聲治理的。廣州JRP-500羅茨真空泵怎么樣</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2962065.html</p></div></div></div></div></div><div id="ll8rwd8" class="page-right twoColRt"><div id="rgnebif" class="box01 margin10 clearfix"><h3><a 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