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id="bdpwtqc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233149091797/6653891.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lvsugnf" 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>廣東快速接頭液壓工廠,液壓</p><p><span>***更新：</span>2021-01-19 15:17:46</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="nhzwta2" 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: </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21幢708室-2A</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="88uwtf2" class="page-proshow02"><p class="title">詳細說明</p><div id="hgiaxpb" class="box"><p><p style="text-indent:25px">液壓快速接頭，接頭對流量的控制可以分為兩種。一種是開關(guān)控制，一種是連續(xù)控制，伺服接頭和其它接頭不同的是，它的能量損失更大一些，因為它需要一定的流量來維持前置級控制油路的工作。一種是開關(guān)控制：要么全開、要么全關(guān)，流量要么大、要么小，沒有中間狀態(tài)，如普通的電磁直通接頭、電磁換向接頭、電液換向接頭。另一種是連續(xù)控制：接頭口可以根據(jù)需要打開任意一個開度，廣東快速接頭液壓工廠，由此控制通過流量的大小，這類接頭有手動控制的，如節(jié)流接頭，也有電控的，廣東快速接頭液壓工廠，如液壓快速接頭、伺服接頭，廣東快速接頭液壓工廠。液壓快速接頭采用雙閥座減壓閥結(jié)構(gòu)，不平衡力小，調(diào)節(jié)范圍大。廣東快速接頭液壓工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東快速接頭液壓工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233149091797/6653891.png"></div><p style="text-indent:25px">液壓快速接頭的減壓系統(tǒng)：采用三種不同結(jié)構(gòu)形式的減壓接頭；減溫噴水系統(tǒng)：采用特殊結(jié)構(gòu)的噴嘴，可配置兩種結(jié)構(gòu)形式的接頭；混合管內(nèi)設(shè)霧化噴嘴，減溫水通過調(diào)節(jié)接頭噴入管道，可靈活設(shè)置不同類型的噴水裝置，包括螺旋霧化噴嘴等。減溫給水壓力*需Pb≥0.6P2+0.3MPa;；接頭流量特性：直線或修正等百分比特性曲線，可在全行程范圍內(nèi)精確控制，保證二次蒸汽在10~百分之一百額定出力范圍內(nèi)，設(shè)備長期穩(wěn)定運行。溫度給水調(diào)節(jié)系統(tǒng)采用直行程高壓差調(diào)節(jié)接頭+霧化噴嘴或可調(diào)噴嘴，噴射流速可恒定在18～23m/s，從而在蒸汽較小流量下，也能達到很好的霧化效果。廣東快速接頭液壓工廠液壓快速接頭動作平穩(wěn)，不會出現(xiàn)卡阻現(xiàn)象；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東快速接頭液壓工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233153984375/500349.png"></div><p style="text-indent:25px">液壓快速接頭進出口不在同一水平線上，體型偏大、成本較高。第三代和第四代液壓快速接頭都是單調(diào)節(jié)式，不能滿足復(fù)雜工藝參數(shù)的使用要求。液壓快速接頭工作原理：1、減溫原理，減溫的基本原理是將減溫水直接噴入過熱蒸汽，經(jīng)噴嘴霧化的減溫水從蒸汽中吸收熱量、升溫、汽化與蒸汽混合，從而達到降低蒸汽溫度的作用。為了提高蒸汽品質(zhì)，一般減溫后的蒸汽溫度應(yīng)控制在高于飽和蒸汽溫度5℃以上。2、減壓原理，減壓的工作原理是蒸汽通過減溫減壓接頭（減壓接頭）或節(jié)流孔板（節(jié)流罩），流通面積減少，使蒸汽動能增加造成壓力損失，蒸汽的壓力能隨之減少而達到減壓的目的。</p><p style="text-indent:25px">水流量通過液壓快速接頭雖有很大的水頭損失，但由于減少了水的浪費并使系統(tǒng)流量分布合理、改善了系統(tǒng)布局與工況，因此總體上仍是節(jié)能的。介質(zhì)為蒸汽的場合，宜選用先導(dǎo)活塞式液壓快速接頭或先導(dǎo)接頭波紋管式液壓快速接頭。為了操作、調(diào)整和維修的方便，液壓快速接頭一般應(yīng)安裝在水平管道上。液壓快速接頭工作原理：液壓快速接頭是采用控制接頭體內(nèi)的啟閉件的開度來調(diào)節(jié)介質(zhì)的流量，將介質(zhì)的壓力降低，同時借助接頭后壓力的作用調(diào)節(jié)啟閉件的開度，使接頭后壓力保持在一定范圍內(nèi)，并在接頭體內(nèi)或接頭后噴入冷卻水，將介質(zhì)的溫度降低，這種接頭稱為減壓減溫接頭。液壓快速接頭不要依靠接頭支持其它重物，不要在接頭上站立。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東快速接頭液壓工廠,液壓" src="https://tyunfile.71360.com/UploadFile/shanghaimaihe/637368233141923828/5215060.png"></div><p style="text-indent:25px">液壓快速接頭主要有：1，減壓系統(tǒng)：減溫減壓接頭、節(jié)流孔板等；2，減溫系統(tǒng)：給水調(diào)節(jié)接頭、節(jié)流接頭等；3，安穩(wěn)系統(tǒng)：安穩(wěn)帽、止固接頭等；4，管路系統(tǒng)：蒸汽管路、過渡管、減溫水管等；5，配套附件：截止接頭、雙金屬溫度計及接管、壓力表及三通接頭、彎雷、接頭、法蘭、襯墊、螺栓、螺母、墊圈。液壓快速接頭由減壓系統(tǒng)（減壓接頭、節(jié)流孔板等）、減溫系統(tǒng)（高壓差給水調(diào)節(jié)接頭、節(jié)流接頭等）、安穩(wěn)保護裝置（安穩(wěn)接頭、止回接頭）等組成，這樣才會產(chǎn)生出一個完整的液壓快速接頭。液壓快速接頭操作靈活，可根據(jù)不同要求任意設(shè)定參數(shù)。廣東快速接頭液壓工廠</p><p style="text-indent:25px">液壓快速接頭可以實現(xiàn)簡單、穩(wěn)定的控制速度。廣東快速接頭液壓工廠</p><p style="text-indent:25px">液壓快速接頭介質(zhì)節(jié)流通道為雙座形式，流通面積大，接頭桿節(jié)流處堆焊硬質(zhì)合金，接頭桿材料多為不銹鋼或氮化鋼，經(jīng)過數(shù)十年考驗，雙座減壓接頭只要在上述參數(shù)范圍內(nèi)使用，沒有發(fā)生過異常問題。雙座接頭不平衡力小、調(diào)節(jié)范圍廣、動作平穩(wěn)，不會出現(xiàn)卡死現(xiàn)象。減壓接頭密封表面堆焊鈷基ERCrMn-C-15，抗高溫、抗沖刷；接頭座和接頭瓣采用配合研磨，密封性能好。柱塞式單座減壓接頭，多用于壓力≤9.8MPa、溫度≥4500C或更高參數(shù)。該接頭屬引進改進型產(chǎn)品，接頭桿、接頭瓣為一整體，在接頭瓣處開具多個能將汽流分解成多股梅花狀流道。廣東快速接頭液壓工廠</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2918146.html</p></div></div></div></div></div><div id="wlsp3ls" class="page-right 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