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"index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="dfmolpg" class="twoCol"><div id="gqhldu7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/third-dzyqj_ylbsq/">壓力變送器</a>?原裝壓送泵加盟深圳市群勛科技供應(yīng)</p><div id="eq8uqho" class="leftbox clearfix"><h1>原裝壓送泵加盟深圳市群勛科技供應(yīng)</h1><div id="apya3ky" class="proBig"><div id="ivbsovx" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637213611266767579/3670217.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s8yask7" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/qunxun/637213611266767579/3670217.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kzqpulx" 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>原裝壓送泵加盟</p><p><span>***更新：</span>2020-06-09 15:25:02</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="muqmdul" 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(jī): </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="o27okl2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bc2dahj" class="box"><p>系統(tǒng)和大功率無換向器電動機(jī)拖動系統(tǒng)。 (1)變極對數(shù)調(diào)速拖動系統(tǒng)，原裝壓送泵加盟.這種系統(tǒng)的控制電路簡單、占地面積小、維護(hù)方便、價格低廉，但系有級調(diào)速，原裝壓送泵加盟，一般*有2檔或3檔轉(zhuǎn)速。如果將此系統(tǒng)與定子調(diào)壓或電磁調(diào)速電動機(jī)結(jié)合起來，可以得到既減少轉(zhuǎn)差損耗，又在相當(dāng)范圍內(nèi)平滑調(diào)速的較高效率的拖動系統(tǒng)。 (2)串級調(diào)速拖動系統(tǒng)。這種系統(tǒng)適用于燒線轉(zhuǎn)子感應(yīng)電動機(jī)。優(yōu)點是變流設(shè)備容量(轉(zhuǎn)差功率)小，比其他無級調(diào)速方案經(jīng)濟(jì);缺點是必須使用繞線轉(zhuǎn)子感應(yīng)電動機(jī)，功率因數(shù)低，增加電機(jī)損耗，**商轉(zhuǎn)速降低。現(xiàn)已開發(fā)出多種改善功率因數(shù)的線路.雙饋電機(jī)可克服一般申級調(diào)速的一些缺點，但變流和控制復(fù)雜、成本高，原裝壓送泵加盟。 <p> 泵的壓力取決于管道特性 </p> <p> 往復(fù)泵的排出壓力不能由泵本身限定，而是取決于泵裝置的管道特性，并且與流量無關(guān)。也就是說，如果認(rèn)為輸送液體是不可壓縮的，那么，在理論上可認(rèn)為往復(fù)泵的排出壓力將不受任何限制，即可根據(jù)泵裝置的管道特性，建立泵的任何所需的排出壓力。當(dāng)然，所有往復(fù)泵都有一個泵的排出壓力的規(guī)定，這不是說該泵的排出壓力不會再升高，而只是說，由于原動機(jī)額定功率和泵本身的結(jié)構(gòu)強(qiáng)度的限制，不允許在超出這一排出壓力下使用而己。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="原裝壓送泵加盟" src="http://tyunfile.71360.com/UploadFile/qunxun/637213611266767579/3670217.jpg"></div><p style="text-indent:25px">考慮到傳動裝置的效率、機(jī)械摩擦、容積效率、介質(zhì)溫升等原因造成的功率損失，選擇原動機(jī)功率時，對低壓往復(fù)泵，N＝1/(0.85~0.9)N；對高壓往復(fù)泵，N＝1/(0.75~0.85)N。往復(fù)泵主要適用于高壓小流量，要求泵的流量恒定或定量、成比例輸送各種不同的介質(zhì)，或者要求吸入性能好，或者要求有自吸性能的場合。在當(dāng)今世界能源緊缺的形勢下，往復(fù)泵作為節(jié)能產(chǎn)品，在能源礦山開采、石油精細(xì)化工、食品藥品加工等眾多行業(yè)中得到了***使用。這類泵結(jié)構(gòu)比較復(fù)雜，配套性強(qiáng)而通用性差，品種多而批量小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="原裝壓送泵加盟" src="http://tyunfile.71360.com/UploadFile/qunxun/637213611266777344/3286173.jpg"></div><p> 高壓往復(fù)泵的使用壓力一般應(yīng)在10MPa～100MPa之間。它屬于容積式泵，借助工作腔里的容積周期性變化來達(dá)到輸送液體的目的；原動機(jī)的機(jī)械能經(jīng)泵直接轉(zhuǎn)化為輸送液體的壓力能；泵的容量只取決于工作腔容積變化值及其在單位時間內(nèi)的變化次數(shù)，理論上與排出壓力無關(guān)。往復(fù)泵是借助于活塞在液缸工作腔內(nèi)的往復(fù)運(yùn)動（或通過隔膜、波紋管等撓性元件在工作腔內(nèi)的周期性彈性變形）來使工作腔容積產(chǎn)生周期性變化的。在結(jié)構(gòu)上，往復(fù)泵的工作腔是借助密封裝置與外界隔開，通過泵閥（吸入閥和排出閥）與管路溝通或閉合。其特點歸納如下： </p> <p> 瞬時流量是脈動的 </p> <p> <br /> </p> 采取這種方法可以及時確定出泵體損壞部件的位置，而且有時甚至還可以測定出故障的原因。<div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="原裝壓送泵加盟" src="http://tyunfile.71360.com/UploadFile/qunxun/637215361604501953/1935236.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/204242.html</p></div></div></div></div></div><div id="uxbgnjf" class="page-right twoColRt"><div id="ds8dvco" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mwdlxel" class="recomPic likePro"><a 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