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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="y3vio3w" class="twoCol"><div id="21dac9d" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_bengtc/">泵</a>?<a href="http://m.cdcfah.com/cp/third-bengtc_zkbmn/">真空泵</a>?真空泵規(guī)格型號(hào) 誠(chéng)信經(jīng)營(yíng) 上海久信機(jī)電設(shè)備制造供應(yīng)</p><div id="xo9gf9v" class="leftbox clearfix"><h1>真空泵規(guī)格型號(hào) 誠(chéng)信經(jīng)營(yíng) 上海久信機(jī)電設(shè)備制造供應(yīng)</h1><div id="tscoq4b" class="proBig"><div id="ztqsfjq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shjiuxinjd/637357851527441406/3044190.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="cro3xzr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shjiuxinjd/637357851527441406/3044190.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gkce3vs" 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>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>真空泵規(guī)格型號(hào),真空泵</p><p><span>***更新：</span>2021-02-03 01:14:45</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="358tqkw" 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(hào)</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="lfxphbx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rq28gia" class="box"><p><p style="text-indent:25px">真空泵的要求有哪些？真空泵的工作壓強(qiáng)應(yīng)該滿足真空設(shè)備的極限真空及工作壓強(qiáng)要求，真空泵規(guī)格型號(hào)。如：某真空干燥工藝要求10mmHg的工作真空度，選用的真空泵的極限真空度至少要2mmHg，比較好的是能達(dá)到1mmHg。通常選擇泵的極限真空度要高于真空設(shè)備工作真空度半個(gè)到一個(gè)數(shù)量級(jí)。真空泵的價(jià)格、運(yùn)轉(zhuǎn)及維修費(fèi)用。機(jī)械安裝：真空泵應(yīng)安裝在地面結(jié)實(shí)堅(jiān)固的場(chǎng)所，周圍應(yīng)留有充分的余地，便于檢查、維護(hù)、保養(yǎng)，真空泵規(guī)格型號(hào)，真空泵規(guī)格型號(hào)。真空泵底座下應(yīng)保持地基水平，底座四角處建議墊減震橡皮或用螺栓澆制安裝，確保真空泵運(yùn)轉(zhuǎn)平穩(wěn)，振動(dòng)小。真空泵特點(diǎn)：結(jié)構(gòu)簡(jiǎn)單、緊湊，對(duì)被抽氣體中的灰塵和水蒸汽不敏感。真空泵規(guī)格型號(hào)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="真空泵規(guī)格型號(hào),真空泵" src="https://tyunfile.71360.com/UploadFile/shjiuxinjd/637357851527441406/3044190.png"></div><p style="text-indent:25px">真空泵泵在應(yīng)用場(chǎng)合的布置攻略要注意什么？露天布置一般將泵集中布置在管廊下方或側(cè)面，也可以布置在被抽吸設(shè)備附近，主要優(yōu)點(diǎn)是通風(fēng)良好，操作和堆修方便。若泵布置在管廊下方時(shí)，泵出口中心線應(yīng)對(duì)齊，距管廊柱中心線0.6m。半露天布置的泵適用于多雨地區(qū)，一般在管廊下方布置泵，在管道上部設(shè)頂棚?；?qū)⒈貌贾迷诳蚣艿南聦拥孛嫔希钥蚣芷脚_(tái)作為頂棚。根據(jù)泵的布置要求，將泵布置成單排、雙排或多排。室內(nèi)布置的泵適用于寒冷或多風(fēng)沙地區(qū)，以及工藝有特殊要求的場(chǎng)合。真空泵規(guī)格型號(hào)真空泵特點(diǎn)：在較寬的壓力范圍內(nèi)有較大的抽速。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="真空泵規(guī)格型號(hào),真空泵" src="https://tyunfile.71360.com/UploadFile/shjiuxinjd/637357851697490234/612225.png"></div><p style="text-indent:25px">真空泵要檢查確定工藝要求的抽氣種類與抽氣量。因?yàn)槿绻怀闅怏w種類與泵內(nèi)液體發(fā)生反應(yīng)，泵系統(tǒng)將被污染。同時(shí)必須考慮確定合適的排氣時(shí)間與抽氣過程中產(chǎn)生的氣體量。檢查確定達(dá)到要求的真空度所需要的時(shí)間、真空管道的流阻與泄漏?？紤]達(dá)到要求真空度后在一定工藝要求條件下維持真空需要的抽氣速率。s=2.303（v/t）lg(p1/p2)。s為真空泵抽氣速率(l/s)v為真空室容積(l)t為達(dá)到要求真空度所需時(shí)間(s)，p1為初始容器內(nèi)氣壓，p2為抽氣后容器內(nèi)氣壓。</p><p style="text-indent:25px">真空泵：要選擇真空機(jī)組： (1) 當(dāng)使用一種泵不能滿足抽氣及真空要求時(shí)，需要幾種泵組合起來，互相補(bǔ)充才能滿足工藝要求。(2) 有的真空泵不能在大氣壓下工作，需要預(yù)真空；有的真空泵出口壓力低于大氣壓，需要前級(jí)泵，故都需要把泵組合起來使用。經(jīng)組合使用的真空泵，我們稱之為真空泵機(jī)組，它能使真空系統(tǒng)得到較好的真空度及排氣量。我們應(yīng)正確地選擇組合的真空泵，由于不同的真空泵對(duì)抽除的氣體要求有不同的要求，例如：在一般情況下羅茨－旋片機(jī)組不適用于含有較多可凝性氣體的系統(tǒng)。真空泵的選泵原則是要滿足要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="真空泵規(guī)格型號(hào),真空泵" src="https://tyunfile.71360.com/UploadFile/shjiuxinjd/637357851688867187/9498785.png"></div><p style="text-indent:25px">真空泵是用各種方法在某一封閉空間中產(chǎn)生、改善和維持真空的裝置。真空泵可以定義為：利用機(jī)械、物理、化學(xué)或物理化學(xué)的方法對(duì)被抽容器進(jìn)行抽氣而獲得真空的器件或設(shè)備。隨著真空應(yīng)用的發(fā)展，真空泵的種類已發(fā)展了很多種，其抽速?gòu)拿棵肓泓c(diǎn)幾升到每秒幾十萬、數(shù)百萬升。極限壓力(極限真空)從粗真空到10-12Pa以上的極高真空范圍。按真空泵的工作原理，真空泵基本上可以分為兩種類型，即變?nèi)菡婵毡煤蛣?dòng)量傳輸泵。變?nèi)菡婵毡檬抢帽们蝗莘e的周期變化來完成吸氣和排氣以達(dá)到抽氣目的的真空泵。氣體在排出泵腔前被壓縮。動(dòng)量傳輸泵（分子真空泵）依靠高速旋轉(zhuǎn)的葉片或高速射流，把動(dòng)量傳輸給氣體或氣體分子，使氣體連續(xù)不斷地從泵的入口傳輸?shù)匠隹?。變?nèi)菡婵毡糜址譃椋和鶑?fù)式，旋轉(zhuǎn)式（旋片式、滑閥式、液環(huán)式、羅茨式、螺旋式、爪形轉(zhuǎn)子式），其它型式。真空泵應(yīng)安裝在地面結(jié)實(shí)堅(jiān)固的場(chǎng)所。湖州小型水環(huán)真空泵</p><p style="text-indent:25px">小型真空泵因?yàn)轶w積小通常把微型真空泵叫做小型真空泵。真空泵規(guī)格型號(hào)</p><p style="text-indent:25px">真空泵的作用：是從真空室中抽除氣體分子，降低真空室內(nèi)的氣體壓力，使之達(dá)到要求的真空度。概括地講從大氣到極高真空有一個(gè)很大的范圍，至今為止還沒有一種真空系統(tǒng)能覆蓋這個(gè)范圍。因此，為達(dá)到不同產(chǎn)品的工藝指標(biāo)、工作效率和設(shè)備工作壽命要求、不同的真空區(qū)段需要選擇不同的真空系統(tǒng)配置。為達(dá)到較佳配置，選擇真空系統(tǒng)時(shí)，應(yīng)考慮下述各點(diǎn)：必須檢查確定每一種工藝要求的真空度。因?yàn)槊恳环N工藝都有其適應(yīng)的真空度范圍，必須認(rèn)真研究確定之。在確定了工藝要求的真空度的基礎(chǔ)上檢查真空泵系統(tǒng)的極限真空度，因?yàn)橄到y(tǒng)的極限真空度決定了系統(tǒng)的較佳工作真空度。一般來講，系統(tǒng)的極限真空度比系統(tǒng)的工作真空度低20%，比前級(jí)泵的極限真空度低50%。真空泵規(guī)格型號(hào)</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3130942.html</p></div></div></div></div></div><div id="uog3kc3" class="page-right twoColRt"><div id="8upwoiw" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ep8qcol" class="recomPic likePro"><a href="http://m.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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