宣城減溫減壓裝置價格是多少創(chuàng)新服務上海大田閥門管道工程供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="在啟動和停止減溫減壓裝置的過程中，由于設備泄漏，溫度和壓力太高，氣體或空氣無法更換，儀器或安全設施出現(xiàn)故障，油氣火災和事故很有可能發(fā)生。在為了防止事故的發(fā)生，關(guān)鍵是要控制操作，即在操作前充分計劃，識別風險并制定計劃，并在操作過程中逐步確"><meta name="keywords" content="宣城減溫減壓裝置價格是多少,減溫減壓裝置"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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id="t3xhy8t" class="searchbox"><div id="fodpm2s" class="searchLt"><div id="373q2h4" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="gfds9qk" class="clearfix searchWrap"><div id="xwyqawy" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="hv2kczg" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = 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src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="apmegdp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="p2urovc" 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>宣城減溫減壓裝置價格是多少,減溫減壓裝置</p><p><span>***更新：</span>2020-12-11 02:13:30</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="xrt7fho" 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: </span>21-68106370</p><p><span>地址: </span>祝橋鎮(zhèn)工業(yè)城</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="cwdvseb" class="page-proshow02"><p class="title">詳細說明</p><div id="odf7np3" class="box"><p><p style="text-indent:25px">在啟動和停止減溫減壓裝置的過程中，由于設備泄漏，溫度和壓力太高，氣體或空氣無法更換，儀器或安全設施出現(xiàn)故障，油氣火災和事故很有可能發(fā)生。在為了防止事故的發(fā)生，關(guān)鍵是要控制操作，即在操作前充分計劃，識別風險并制定計劃，并在操作過程中逐步確認。所以在使用減溫減壓裝置時一定要注意的那些問題，不管使用那類型的產(chǎn)品都要注意安全問題。大氣壓和減溫減壓設備運行的危險因素分析：大氣壓和減溫減壓設備的啟動應按以下順序進行：操作前的設備檢查→設備的壓力測試和通過壓力的過程→真空度。真空塔壓力密封性測試→柴油沖洗→設備驅(qū)動。設備的啟動順序為：原油冷循環(huán)→加熱脫水→250℃恒溫熱密→常壓開路側(cè)管→減壓和真空開路側(cè)管→調(diào)節(jié)操作。在啟動過程中，宣城減溫減壓裝置價格是多少，容易發(fā)生的危險因素主要是：發(fā)動機泵，宣城減溫減壓裝置價格是多少，循環(huán)泄漏和火災，宣城減溫減壓裝置價格是多少。加熱爐常減壓蒸餾裝置的減壓程序為：原油減壓→常壓冷卻側(cè)管線→減壓減壓脫真空→停止側(cè)管線。減溫減壓裝置安裝時盡量由專業(yè)人員來進行具體的操作。宣城減溫減壓裝置價格是多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置價格是多少,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">現(xiàn)場儀表接入熱控柜的信號線用單芯為1mm2以上的屏蔽線：熱電阻用三芯屏蔽線，壓力變送器二芯屏蔽線，執(zhí)行機構(gòu)用四芯屏蔽線（一體化執(zhí)行機構(gòu)且不需要反饋信號的）或六芯屏蔽線，接地電阻應小于4歐姆。電源總進線采用2.5mm2以上的電纜線，各儀表有接地要求的均須可靠接地。詳見現(xiàn)場接線圖。嚴格按安裝圖及技術(shù)資料安裝進出口熱電阻、壓力變送器，避免前后裝反，如果因安裝失誤造成的損壞，我方不負任何責任。安裝各閥門時須注意蒸汽和和減溫水的流向。減溫減壓裝置安裝完畢后，將減壓系統(tǒng)和給水系統(tǒng)的閥門拆下，并對整個管道進行吹洗，去除管道內(nèi)的電焊渣、焊塊等污物，檢查確認沒有任何雜物時再裝上已拆的閥門，同時然后進行水壓試驗。試驗壓力為工件壓力的1.5倍，試驗壓力時須將安全閥卸下，另用悶板密封，然后加壓，保持5分鐘，檢查所有連接處不得有滲漏現(xiàn)象。黑龍江減溫減壓裝置銷售價格減溫減壓裝置維護操作時是應該由專業(yè)人員執(zhí)行的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置價格是多少,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665216318359/432501.png"></div><p style="text-indent:25px">運行前減溫減壓裝置及通向用戶的管道部件須預熱，以防止這些部件和零件產(chǎn)生附加應力。預熱前，先將減溫減壓閥稍微開啟（約開啟總行程的2%），然后將切斷閥（減溫減壓閥前面）慢慢打開，利用入口蒸汽預熱減溫減壓閥、蒸汽管道、及通向用戶的管道和附件。預熱時蒸汽壓力不超過0.02~0.05Mpa，預熱時間根據(jù)整個裝置以及總長度來決定，但不能少于30分鐘。同時檢查給水壓力是否正常，如正常，可慢慢打開給水系統(tǒng)的截止閥和節(jié)流閥。減溫減壓裝置停止工作時，應預先通告鍋爐房及用戶。先逐漸關(guān)閉入口處切斷閥，然后手動關(guān)閉減壓閥和給水調(diào)節(jié)閥，使蒸汽壓力和溫度漸漸降低，即時逐漸打開通往排水管的截止閥，使減溫水排放通暢。確認斷汽后，關(guān)閉出口處切斷閥，再檢查入口處切斷閥關(guān)閉是否嚴密。</p><p style="text-indent:25px">在使用減溫和減壓裝置之前，必須先清理掉減溫減壓裝置，以處理管道中的污漬。那對于減溫減壓裝置的吹洗工作應該要怎么去做?蒸汽管路部分用不高于減溫減壓裝置出口蒸汽壓力的蒸汽吹掃。用不高于過熱水壓力的水清洗管道系統(tǒng)的過熱水部分。吹掃前必須對管道進行預熱和排水。了防止污物和碎屑進入蒸汽管道清洗期間的溫度和減壓閥(或減壓閥)，應分階段進行清洗。先在溫度和減壓裝置的前面吹管道，然后吹兩次以上，然后在確認其干凈后再打開溫度和泄壓閥(或泄壓閥)。再清洗設備和后續(xù)管道兩次以上。此時，應將溫度和減壓閥(或減壓閥)完全打開，注意放氣壓力，并在適當時使用設備前的截止閥來控制壓力，以避免安全。同時，檢查減溫減壓閥是否被卡住，并及時處理。如果可能，請卸下安全閥，并用盲板更換。減溫減壓裝置當需要完成直線運動時，需要通過齒輪等機械裝置進行傳動。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宣城減溫減壓裝置價格是多少,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png"></div><p style="text-indent:25px">減溫減壓裝置檢查、自控:按現(xiàn)場接線圖檢查各現(xiàn)場傳感器（壓力變送器、熱電阻、流量傳感器）、執(zhí)行機構(gòu)、水泵與控制柜間接線是否正確。檢查進出口熱電阻及壓力變送器前后是否裝反，壓力變送器量程高的為進口，量程低的為出口。水泵通電前必須注滿水將全部空氣排出，以免空運轉(zhuǎn)將水泵機械密封燒壞。在確認水泵注滿水后，給水泵通電，檢查水泵是否正轉(zhuǎn)。如反轉(zhuǎn)，關(guān)閉水泵將任意兩相電源調(diào)換即可。檢查完畢關(guān)閉水泵。檢查儀表設定是否正確，接通儀表電源，檢查所有盤上儀表的上下限是否跟現(xiàn)場傳感器量程一致，PID儀表目標值設定是否合理，PID儀表的正反作用（壓力調(diào)節(jié)閥正裝時調(diào)節(jié)儀表應設反作用，反裝時應設正作用。減溫減壓裝置預熱后，逐漸打開減溫減壓閥前面的切斷閥，同時關(guān)閉旁通閥。黑龍江減溫減壓裝置銷售價格</p><p style="text-indent:25px">減溫減壓裝置后部管道低處應安裝輸水閥。宣城減溫減壓裝置價格是多少</p><p style="text-indent:25px">減溫減壓裝置也是會出現(xiàn)一些常見的問題的，那么下面就一起來了解一下有關(guān)的內(nèi)容吧。支架和吊架懸掛在空中并以簡化形式彎曲管段上部的溫度高于下部的溫度，這將導致管在軸向彎曲和變形。對于上，下管段之間的溫差是造成管，支架和吊架彎曲變形的主要原因。焊縫開裂的原因分析當管道受熱膨脹，冷縮和其他位移限制時產(chǎn)生的應力稱為二次應力。減溫器和減壓器下部的熱應力導致焊縫開裂，上下管之間存在較大的溫差，特別是在切換到一定的工作條件時，再次行駛時，冷凝水會在管道中凝結(jié)，高溫蒸汽通過管道，使管道壁無水。溫度迅速升高，并且貯水部分中的管壁溫度緩慢升高，從而在低溫下導致較高的軸向拉伸應力。這種較高的熱應力或熱疲勞是焊縫開裂的主要原因。處理措施：簡化加排水管道，改善排水條件。在降溫器的加熱和熱待機期間打開了排水管，以減小上下兩側(cè)的溫差，從而可以控制各種工況下管段的上下溫，減少管道彎曲并消除焊接裂紋。優(yōu)化噴水裝置。原來的噴水位置在支架和吊架上，改造后將噴水裝置放在減壓閥上。使減溫水和蒸汽的混合更加均勻，并減少溫差。宣城減溫減壓裝置價格是多少</p><p style="text-indent:25px">上海大田閥門管道工程有限公司致力于機械及行業(yè)設備，以科技創(chuàng)新實現(xiàn)***管理的追求。大田閥門作為公司現(xiàn)在生產(chǎn)的產(chǎn)品有調(diào)節(jié)閥及附件、通用閥門、減溫減壓裝置、自動再循環(huán)控制閥、電磁閥、API6A閥門等。調(diào)節(jié)閥及附件包含有：氣動調(diào)節(jié)閥、電動調(diào)節(jié)閥、自力式調(diào)節(jié)閥、手動調(diào)節(jié)閥、氣動薄膜執(zhí)行機構(gòu)、電動執(zhí)行機構(gòu)、電氣閥門定位器、電動閥門調(diào)節(jié)模塊等。通用閥門包含有：閘閥、截止閥、球閥、蝶閥、止回閥、水力控制閥、柱塞閥、旋塞閥、隔膜閥、安全閥、減壓閥、疏水閥、排氣閥、平衡閥、針型閥及多種襯里閥門等。減溫減壓裝置分為低壓、中壓、次高壓、高壓四種規(guī)格。自動再循環(huán)控制閥分為低壓、中壓、高壓三種規(guī)格。電磁閥包含有：水用電磁閥、蒸汽電磁閥、煤氣電磁閥、空氣電磁閥、真空電磁閥、高溫電磁閥等。API6A閥門包含有閘閥、節(jié)流閥等。同時，公司可按照客戶的要求進行非標產(chǎn)品的設計、制造、加工。的企業(yè)之一，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。大田閥門繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領域，實現(xiàn)轉(zhuǎn)型再突破。大田閥門創(chuàng)始人余承善，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2351852.html</p></div></div></div></div></div><div id="2udv7ga" class="page-right twoColRt"><div id="7khjq2b" class="box01 margin10 clearfix"><h3><a 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