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class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233165927734/5394313.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8q7noqx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233165927734/5394313.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oikmtp7" 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>浙江電纜卷筒液壓廠家,液壓</p><p><span>***更新：</span>2021-01-11 03:11:17</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="3r2mo7e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海邁頜信息科技有限公司</a></p><p><span>聯(lián)系人：</span>王欽</p><p><span>郵箱: </span>834334323@qq.com</p><p><span>電話: </span>18917232386</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.maihetech.com</p><p><span>手機(jī): </span>021-62086881</p><p><span>地址: </span>上海市松江區(qū)九亭鎮(zhèn)九亭中心路1158號(hào)21幢708室-2A</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="ic7cewt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ujlxzb" class="box"><p><p style="text-indent:25px">注意液壓快速接頭的減壓保障系統(tǒng)。無(wú)論選用比例式還是可調(diào)式液壓快速接頭，浙江電纜卷筒液壓廠家，其減壓比P1∶P2不宜選擇過(guò)大，一般應(yīng)控制在5∶1之內(nèi)。超過(guò)這個(gè)范圍易產(chǎn)生氣蝕現(xiàn)象，損壞接頭件，浙江電纜卷筒液壓廠家，產(chǎn)生嘯叫噪音。有些活塞式液壓快速接頭，制造廠在其接頭體上加工一個(gè)直徑1.5mm左右的小孔，其功能是讓接頭芯運(yùn)動(dòng)時(shí)起到透吸氣作用，維護(hù)管理時(shí)應(yīng)注意千萬(wàn)不要將小孔塞住，否則影響液壓快速接頭的正常運(yùn)行。液壓快速接頭的減壓保障系統(tǒng)是重中之重，浙江電纜卷筒液壓廠家，工作人員在維護(hù)管理時(shí)要遵守規(guī)范，否則操作不當(dāng)會(huì)直接影響液壓快速接頭的正常運(yùn)轉(zhuǎn)工作。液壓快速接頭噴嘴拆裝方便，便于維修；浙江電纜卷筒液壓廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江電纜卷筒液壓廠家,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233165927734/5394313.png"></div><p style="text-indent:25px">在液壓快速接頭的自然頻率和介質(zhì)流動(dòng)所造成的激勵(lì)頻率一致時(shí)，將引起共振，它是減壓接頭在一定減壓范圍內(nèi)產(chǎn)生的，而且一旦條件稍有變化，其噪音變化就很大的高頻振動(dòng)；在液壓快速接頭中重要的便是減溫減壓接頭，減溫減壓接頭即是通過(guò)控制接頭內(nèi)的介質(zhì)流量，將介質(zhì)的壓力減低的，在通過(guò)接頭內(nèi)或接頭后噴入冷卻水，使介質(zhì)起到降溫的作用的一種儀器。簡(jiǎn)單的說(shuō)，減溫減壓接頭就是改變溫度和壓力的儀器。這種儀器在熱電廠、集中供熱、石化、印染、造紙、制藥、冶金等行業(yè)中是很常見的。浙江電纜卷筒液壓廠家液壓快速接頭無(wú)傳動(dòng)部件，減溫水霧化效果好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江電纜卷筒液壓廠家,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233206669922/9164507.png"></div><p style="text-indent:25px">液壓快速接頭基本可以說(shuō)是液壓裝置產(chǎn)品，液壓快速接頭的工作原理如下：高壓介質(zhì)通過(guò)一個(gè)小孔充到一個(gè)相對(duì)較大的腔里實(shí)現(xiàn)減壓，實(shí)際上是靠截流減壓，膜片或活塞的兩面一面是出口腔，一面是人為給的壓力，并且控制小孔大小的接頭桿和膜片(活塞)相連，這樣只要給一個(gè)固定的壓力，那么出口腔的壓力就會(huì)一直等于這個(gè)壓力，這個(gè)認(rèn)為給定的壓力可以有彈簧或氣源或液壓源來(lái)提供。它的斷面鑒別：對(duì)蝶接頭樣品進(jìn)行切割，從其斷面上的色澤、晶粒等特性可以分辨出接頭材質(zhì)中各種元素的含量，但這個(gè)方法往往需要有一定金屬材料制造經(jīng)驗(yàn)的人才能做到。</p><p style="text-indent:25px">先導(dǎo)式液壓快速接頭當(dāng)液壓快速接頭的輸出壓力較高或通徑較大時(shí)，用調(diào)壓彈簧直接調(diào)壓，則彈簧剛度必然過(guò)大，流量變化時(shí)，輸出壓力波動(dòng)較大，接頭的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點(diǎn)，可采用先導(dǎo)式液壓快速接頭。先導(dǎo)式液壓快速接頭的工作原理與直動(dòng)式的基本相同。先導(dǎo)式液壓快速接頭所用的調(diào)壓氣體，是由小型的直動(dòng)式液壓快速接頭供給的。若把小型直動(dòng)式液壓快速接頭裝在接頭體內(nèi)部，則稱為內(nèi)部先導(dǎo)式液壓快速接頭；若將小型直動(dòng)式液壓快速接頭裝在主接頭體外部，則稱為外部先導(dǎo)式液壓快速接頭。與直動(dòng)式液壓快速接頭相比，增加了由噴嘴、擋板、固定節(jié)流孔及氣室所組成的噴嘴擋板放大環(huán)節(jié)。當(dāng)噴嘴與擋板之間的距離發(fā)生微小變化時(shí)，就會(huì)使壓力發(fā)生根明顯的變化，從而引起膜片有較大的位移，去控制接頭芯的上下移動(dòng)，使進(jìn)氣接頭口開大或關(guān)小、提高了對(duì)接頭芯控制的靈敏度，即提高了穩(wěn)壓精度。液壓快速接頭出現(xiàn)抖動(dòng)的情況要及時(shí)停下進(jìn)行檢查。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江電纜卷筒液壓廠家,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233153984375/500349.png"></div><p style="text-indent:25px">液壓快速接頭是一種自動(dòng)降低管路工作壓力的專門裝置，它可將接頭前管路較高的液體壓力減少至接頭后管路所需的水平。這里的傳輸介質(zhì)主要是水。液壓快速接頭普遍用于高層建筑、城市給水管網(wǎng)水壓過(guò)高的區(qū)域、礦井及其他場(chǎng)合，以保證給水系統(tǒng)中各用水點(diǎn)獲得適當(dāng)?shù)姆?wù)水壓和流量。鑒于水的漏失率和浪費(fèi)程度幾乎同給水系統(tǒng)的水壓大小成正比，因此液壓快速接頭具有改善系統(tǒng)運(yùn)行工況和潛在節(jié)水作用，據(jù)統(tǒng)計(jì)其節(jié)水效果約為30%。液壓快速接頭的構(gòu)造類型很多，以往常見的有薄膜式、內(nèi)彈簧活塞式等。液壓快速接頭的基本作用原理是靠接頭內(nèi)流道對(duì)水流的局部阻力降低水壓，水壓降的范圍由連接接頭瓣的薄膜或活塞兩側(cè)的進(jìn)出口水壓差自動(dòng)調(diào)節(jié)。液壓快速接頭經(jīng)過(guò)信息處理，指揮執(zhí)行機(jī)構(gòu)使出口的參數(shù)(溫度、壓力)穩(wěn)定在用戶要求范圍內(nèi)。浙江電纜卷筒液壓廠家</p><p style="text-indent:25px">液壓快速接頭把用戶提供的蒸汽參數(shù)降到用戶需要合適的溫度和壓力。浙江電纜卷筒液壓廠家</p><p style="text-indent:25px">液壓快速接頭汽溫超過(guò)規(guī)定值，會(huì)使過(guò)熱器、蒸汽管道、汽輪機(jī)及接頭等設(shè)備壽命降低，嚴(yán)重時(shí)可使上述設(shè)備損壞。汽溫低于規(guī)定值，會(huì)降低機(jī)組的經(jīng)濟(jì)性。汽溫降低10℃，機(jī)組的經(jīng)濟(jì)性降低0.6%～0.8%。由于影響汽溫的因素很多，為了保持蒸汽溫度在規(guī)定范圍內(nèi)，必須對(duì)蒸汽溫度進(jìn)行調(diào)整。調(diào)整汽溫的方法很多，液壓快速接頭調(diào)整汽溫是普遍采用的方法。沒(méi)有保溫的光管是簡(jiǎn)單的液壓快速接頭，熱量通過(guò)輻射傳遞給環(huán)境，蒸汽減溫。很顯然，這種液壓快速接頭除了熱表面光管可能對(duì)人體造成傷害以外，還存在昂貴的能量浪費(fèi)。浙江電纜卷筒液壓廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2792749.html</p></div></div></div></div></div><div id="zdfhjvs" class="page-right twoColRt"><div id="wgn74bn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ynpwyk3" class="recomPic likePro"><a href="http://www.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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