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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="htz3pps" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jwiz3uk" 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>南通減溫減壓裝置工作原理,減溫減壓裝置</p><p><span>***更新：</span>2020-10-21 08:25:01</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="n2fzvk2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海大田閥門管道工程有限公司</a></p><p><span>聯(lián)系人：</span>余璐辰</p><p><span>郵箱: </span>business@dtjt.com</p><p><span>電話: </span>18621060309</p><p><span>傳真: </span>21_</p><p><span>網(wǎng)址: </span>https://www.dtjt.com</p><p><span>手機(jī): </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="rddup87" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nqb827s" class="box"><p><p style="text-indent:25px">加強(qiáng)減溫減壓裝置保障系統(tǒng)的管理巡視，要注意觀察減溫減壓裝置本身的工作動態(tài)。閥前、閥后壓力數(shù)值接近，表明減溫減壓裝置本身已存在故障。即活塞式減溫減壓裝置的閥芯與閥體間的平面密封橡膠件損壞；薄膜式可調(diào)型減溫減壓裝置主閥膜片有裂痕和O型圈損壞，及導(dǎo)閥連通管堵塞，南通減溫減壓裝置工作原理，造成減溫減壓裝置減壓作用削弱或者失效。這對分區(qū)管網(wǎng)危害極大，特別是許多用水設(shè)備可能因超壓力而出現(xiàn)爆管，必須及時修復(fù)。比例式(活塞型)減溫減壓裝置閥體上的透吸氣小孔如出現(xiàn)滴漏不止，南通減溫減壓裝置工作原理，南通減溫減壓裝置工作原理，表明閥芯上幾檔O型密封圈已經(jīng)磨損，要更換密封件。減溫減壓裝置安裝的位置要留有以后維護(hù)的空間。南通減溫減壓裝置工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">第五代減溫減壓裝置由第五代減溫減壓閥及節(jié)流孔板組成的減壓系統(tǒng)；給水調(diào)節(jié)閥與節(jié)流閥、止回閥等組成的給水系統(tǒng)；安穩(wěn)閥與蒸汽管道等組成的安穩(wěn)保護(hù)系統(tǒng)等三部分組成，并由熱力控制裝置進(jìn)行自動控制。蒸汽的減壓過程是由減溫減壓閥和節(jié)流孔板來實現(xiàn)；蒸汽的減溫過程是將減溫水由噴嘴噴入閥腔內(nèi)和蒸汽在閥內(nèi)直接混合來實現(xiàn)。安穩(wěn)保護(hù)系統(tǒng)的作用是當(dāng)蒸汽管道內(nèi)的壓力超出允許值時，將蒸汽排向安穩(wěn)地點，使管道內(nèi)蒸汽壓力保持在允許值內(nèi)，以保證減溫減壓裝置及用汽設(shè)備的安穩(wěn)運行。減溫減壓裝置廠家減溫減壓裝置初次使用時要檢查設(shè)備的狀態(tài)是否正常。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665216318359/432501.png"></div><p style="text-indent:25px">減溫減壓裝置，閥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，伺服閥和其它閥不同的是，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)，如普通的電磁直通閥、電磁換向閥、電液換向閥。另一種是連續(xù)控制：閥口可以根據(jù)需要打開任意一個開度，由此控制通過流量的大小，這類閥有手動控制的，如節(jié)流閥，也有電控的，如減溫減壓裝置、伺服閥。</p><p style="text-indent:25px">減溫減壓裝置的作用原理是靠閥內(nèi)流道對水流的局部阻力降低水壓，水壓降的范圍由連接閥瓣的薄膜或活塞兩側(cè)的進(jìn)口水壓差自動調(diào)節(jié)。定比減壓原理是利用閥體中浮動活塞的水壓比控制，進(jìn)出口端減壓比與進(jìn)出口側(cè)活塞面積比成反比。這種減溫減壓裝置工作平穩(wěn)無振動；閥體內(nèi)無彈簧，故無彈簧銹蝕、金屬疲勞失效之慮；密封性能良好不滲漏，因而既減動壓（水流動時）又減靜壓（流量為0）時；特別是在減壓的同時不影響水流量。這就是減溫減壓裝置的作用和工作原理，是一種常見的工作生產(chǎn)裝置。減溫減壓裝置大都是在惡劣的環(huán)境中進(jìn)行作業(yè)的，比如高溫、高壓、強(qiáng)腐蝕等環(huán)境中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png"></div><p style="text-indent:25px">先導(dǎo)式減溫減壓裝置當(dāng)減溫減壓裝置的輸出壓力較高或通徑較大時，用調(diào)壓彈簧直接調(diào)壓，則彈簧剛度必然過大，流量變化時，輸出壓力波動較大，閥的結(jié)構(gòu)尺寸也將增大。為了克服這些缺點，可采用先導(dǎo)式減溫減壓裝置。先導(dǎo)式減溫減壓裝置的工作原理與直動式的基本相同。先導(dǎo)式減溫減壓裝置所用的調(diào)壓氣體，是由小型的直動式減溫減壓裝置供給的。若把小型直動式減溫減壓裝置裝在閥體內(nèi)部，則稱為內(nèi)部先導(dǎo)式減溫減壓裝置；若將小型直動式減溫減壓裝置裝在主閥體外部，則稱為外部先導(dǎo)式減溫減壓裝置。與直動式減溫減壓裝置相比，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，就會使壓力發(fā)生根明顯的變化，從而引起膜片有較大的位移，去控制閥芯的上下移動，使進(jìn)氣閥口開大或關(guān)小、提高了對閥芯控制的靈敏度，即提高了穩(wěn)壓精度。減溫減壓裝置存放時要避免接觸火源。減溫減壓裝置廠家</p><p style="text-indent:25px">減溫減壓裝置裝置在底部的軸裝配空上形狀為雙四方形，這個特點就有利于減溫減壓裝置的轉(zhuǎn)角安裝。南通減溫減壓裝置工作原理</p><p style="text-indent:25px">減溫減壓裝置的運行操作：1.要避免存留臟物、雜物進(jìn)入減溫減壓裝置減壓保障系統(tǒng)。新建或者改造工程的減壓系統(tǒng)管網(wǎng)，很可能遺留沙粒、麻絲、雜物。投運前，一般都應(yīng)進(jìn)行水沖洗，滿足清潔要求后，后裝上減溫減壓裝置和過濾器濾芯，這樣才能避免雜物流入減溫減壓裝置，杜絕減溫減壓裝置卡芯現(xiàn)象。在系統(tǒng)進(jìn)入工作后，保障減壓系統(tǒng)的水流暢通與否，與設(shè)置在系統(tǒng)上的過濾器流通能力關(guān)系密切，如濾芯被雜物嚴(yán)重吸附，則會影響減溫減壓裝置的工作，為此必需對過濾器進(jìn)行定期檢查，及時去除污穢。實踐表明這項工作2至3個月必須進(jìn)行一次，有些可調(diào)式(彈簧式、薄膜式)減溫減壓裝置，其主閥或者導(dǎo)閥自身設(shè)置過濾器，同樣需要定期拆洗濾芯。南通減溫減壓裝置工作原理</p><p style="text-indent:25px">上海大田閥門管道工程有限公司主要經(jīng)營范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊和良好的市場口碑。大田閥門致力于為客戶提供良好的調(diào)節(jié)閥，自動再循環(huán)閥，減溫減壓裝置，閘閥，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點競爭力，努力學(xué)習(xí)行業(yè)知識，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。大田閥門憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1643913.html</p></div></div></div></div></div><div id="vy3x39g" class="page-right twoColRt"><div id="x3l3ggy" class="box01 margin10 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