江蘇減溫減壓裝置需要多少錢誠信經(jīng)營上海大田閥門管道工程供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="減溫減壓裝置由兩個(gè)**作用的止回閥和泄水閥組成，能嚴(yán)格限定管道中的壓力水只能單向流動的水力控制裝置。減壓閥開啟泄壓，減壓閥又關(guān)閉，江蘇減溫減壓裝置需要多少錢。當(dāng)閥后管網(wǎng)壓力升高，超過閥前進(jìn)口壓力時(shí)，如出口位置上的止回閥密封完好無泄漏，高壓水"><meta name="keywords" content="江蘇減溫減壓裝置需要多少錢,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" 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class="home-main container clearfix"><div id="dxuhjvm" class="twoCol"><div id="s88khe2" 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/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenti_jianyafagx/">減壓閥</a>?江蘇減溫減壓裝置需要多少錢誠信經(jīng)營上海大田閥門管道工程供應(yīng)</p><div id="r8jax7c" class="leftbox clearfix"><h1>江蘇減溫減壓裝置需要多少錢誠信經(jīng)營上海大田閥門管道工程供應(yīng)</h1><div id="3hoq3sp" class="proBig"><div id="jykxjyu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="xm27sm2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lfhzwta" 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>江蘇減溫減壓裝置需要多少錢,減溫減壓裝置</p><p><span>***更新：</span>2020-12-29 02:14:25</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="pzwjgxp" 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="zogdf39" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="r29ikxj" class="box"><p><p style="text-indent:25px">減溫減壓裝置由兩個(gè)**作用的止回閥和泄水閥組成，能嚴(yán)格限定管道中的壓力水只能單向流動的水力控制裝置。減壓閥開啟泄壓，減壓閥又關(guān)閉，江蘇減溫減壓裝置需要多少錢。當(dāng)閥后管網(wǎng)壓力升高，超過閥前進(jìn)口壓力時(shí)，如出口位置上的止回閥密封完好無泄漏，高壓水不會倒流，隔膜左右保持原來的壓差，減壓閥關(guān)閉不泄漏。當(dāng)出口位置上的止回閥密封破壞造成滲漏，出口位置上的止回閥之前壓力升高，造成減壓閥隔膜左右壓差減小，江蘇減溫減壓裝置需要多少錢，減壓閥打開通過排水口泄壓。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(shí)，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(diǎn)，可采用減溫減壓裝置，江蘇減溫減壓裝置需要多少錢。為了防止閥后壓力超壓，應(yīng)在離閥出口不少于4M處安裝一個(gè)減溫減壓裝置。江蘇減溫減壓裝置需要多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇減溫減壓裝置需要多少錢,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px">運(yùn)行前減溫減壓裝置及通向用戶的管道部件須預(yù)熱，以防止這些部件和零件產(chǎn)生附加應(yīng)力。預(yù)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(yù)熱減溫減壓閥、蒸汽管道、及通向用戶的管道和附件。預(yù)熱時(shí)蒸汽壓力不超過0.02~0.05Mpa，預(yù)熱時(shí)間根據(jù)整個(gè)裝置以及總長度來決定，但不能少于30分鐘。同時(shí)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(shí)，應(yīng)預(yù)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(shí)逐漸打開通往排水管的截止閥，使減溫水排放通暢。確認(rèn)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(yán)密。江蘇減溫減壓裝置需要多少錢減溫減壓裝置可以實(shí)現(xiàn)簡單、穩(wěn)定的控制速度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇減溫減壓裝置需要多少錢,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363664801455078/9699433.png"></div><p style="text-indent:25px">減溫減壓裝置上的疏水閥，當(dāng)壓力達(dá)到規(guī)定值時(shí)，自動將冷凝水排出。減溫減壓裝置調(diào)試完畢，蒸汽參數(shù)正常后，即可投入到自動控制狀態(tài)運(yùn)行。自動控制儀表和熱力控制柜的調(diào)試按“自動控制儀表說明書”和“控制裝置說明書”進(jìn)行。減溫減壓裝置停止工作時(shí)，應(yīng)預(yù)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(shí)逐漸打開通往排水管的截止閥，使減溫水排放通暢。確認(rèn)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(yán)密。</p><p style="text-indent:25px">減溫減壓裝置是用來調(diào)節(jié)蒸汽壓力、溫度的重要裝置，在火力發(fā)電廠中鍋爐產(chǎn)生過熱蒸汽，如果鍋爐不裝備減溫器，就無法將鍋爐出口蒸汽溫度控制在需要范圍內(nèi)，會使鍋爐汽輪機(jī)等設(shè)備因超溫?fù)p壞或造成重大事故。同時(shí)，在化工、輕工、醫(yī)藥、食品加工等一切使用蒸汽的生產(chǎn)工藝流程中，過熱蒸汽作為機(jī)械能量的產(chǎn)生提供了較佳的能源。而許多情況下，飽和蒸汽是更適合使用的，由于工藝及設(shè)備的原因，對壓力、溫度的控制也是必不可少的，通過減溫減壓裝置可以得到合適的動力蒸汽。減溫減壓裝置目的是將減溫減壓后的蒸汽送入用戶需要的管道上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇減溫減壓裝置需要多少錢,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">減溫減壓裝置按進(jìn)口壓力和溫度可分為：溫中壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=3.9MPa；溫度t1=450℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=2～360t/h（噸/小時(shí)）2 次高壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=5.4MPa；溫度t1=485℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=20～200t/h（噸/小時(shí)）。高溫高壓減溫減壓裝置：一次蒸汽參數(shù)（進(jìn)口蒸汽參數(shù)）：壓力P1=10MPa；溫度t1=540℃壓力；二次蒸汽參數(shù)（出口蒸汽參數(shù)）：壓力P2由用戶要求確定；溫度t2=飽和溫度；流量： Q=30～240t/h（噸/小時(shí)）。減溫減壓裝置工作時(shí)很穩(wěn)定，這也是它受歡迎的原因之一。江蘇減溫減壓裝置需要多少錢</p><p style="text-indent:25px">安裝每個(gè)閥時(shí)，請注意蒸汽和減溫水的流向。江蘇減溫減壓裝置需要多少錢</p><p style="text-indent:25px">減溫減壓裝置是由哈爾濱鍋爐廠于二十世紀(jì)五十年代從前蘇聯(lián)引入國內(nèi)。發(fā)展到現(xiàn)在，大體可分為三代產(chǎn)品。第三代減溫減壓裝置為第二代的換代產(chǎn)品：減溫減壓閥內(nèi)部改為多級套筒式省去了節(jié)流孔板，同時(shí)多級套筒的節(jié)流小孔還起到消音的作用。減溫減壓閥與給水調(diào)節(jié)閥采用變流量系數(shù)設(shè)計(jì)的方法。該設(shè)計(jì)形式的特點(diǎn)就是設(shè)計(jì)與使用相吻合，從0到100%全程可調(diào)節(jié)，該設(shè)計(jì)方法于2003年12月被國家科委授予應(yīng)用型發(fā)明獎。由于給水調(diào)節(jié)閥能夠適用于各種壓差，在減溫系統(tǒng)中取消了節(jié)流閥或節(jié)流裝置。第三代產(chǎn)品不僅具備第二代產(chǎn)品的所有優(yōu)點(diǎn)，同時(shí)還彌補(bǔ)第二代產(chǎn)品中的所有不足之處：減壓，并多級同步調(diào)節(jié)提高了調(diào)節(jié)范圍；采用同步可調(diào)噴咀在閥內(nèi)噴水，提高了霧化效果。江蘇減溫減壓裝置需要多少錢</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2606267.html</p></div></div></div></div></div><div id="kuwjg74" class="page-right twoColRt"><div id="gaxegsu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mwjl3eq" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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