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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 id="qcysovn" 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="mt2npb8" 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>安徽減溫減壓裝置價格是多少,減溫減壓裝置</p><p><span>***更新：</span>2021-01-09 02:14:18</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="x97bdub" 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="gdacjah" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qszb3xm" class="box"><p><p style="text-indent:25px">減溫減壓裝置安裝在易燃、易爆場合的，減溫減壓閥（減壓閥）、調(diào)節(jié)閥等閥門，其驅(qū)動機(jī)構(gòu)應(yīng)采用防爆型，建議采用隔爆型電動執(zhí)行機(jī)構(gòu)或氣動執(zhí)行機(jī)構(gòu)，電氣控制部分也應(yīng)采用隔爆型；為了方便減溫減壓閥（減壓閥）解體維修，該閥安裝時需離地平面有一定的高度，具體尺寸按減溫減壓裝置總圖；裝置出口測溫和測壓點(diǎn)必須在裝置出口1m以后；對新安裝或檢修后重新使用的安全閥，都應(yīng)校驗(yàn)其整定壓力和密封壓力。安全閥校驗(yàn)后，須加鎖或鉛封。在用的安全閥每年至少校驗(yàn)一次，安徽減溫減壓裝置價格是多少，安徽減溫減壓裝置價格是多少，并符合相應(yīng)規(guī)范；建議在減溫減壓裝置的出口處裝設(shè)對空排汽閥，安徽減溫減壓裝置價格是多少。減溫減壓裝置保證離地、離墻一定的安裝間距，以便安裝維護(hù)。安徽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="安徽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">減溫減壓裝置安裝各閥門時須注意蒸汽和和減溫水的流向。本裝置安裝完畢后，將減壓系統(tǒng)和給水系統(tǒng)的閥門拆下，并對整個管道進(jìn)行吹洗，去除管道內(nèi)的電焊渣、焊塊等污物，檢查確認(rèn)沒有任何雜物時再裝上已拆的閥門，同時然后進(jìn)行水壓試驗(yàn)。試驗(yàn)壓力為工件壓力的1.5倍，試驗(yàn)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。特別警告！若管道內(nèi)有污物如焊渣等，將堵塞閥體內(nèi)噴孔使減溫減壓閥不能正常工作，嚴(yán)重時卡死閥瓣損壞閥門和電動執(zhí)行機(jī)構(gòu)。浙江減溫減壓裝置批發(fā)報價減溫減壓裝置在管道中起到一定的止回作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽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">在啟動和停止減溫減壓裝置的過程中，由于設(shè)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(shè)施出現(xiàn)故障，油氣火災(zāi)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(jì)劃，識別風(fēng)險并制定計(jì)劃，并在操作過程中逐步確認(rèn)。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(shè)備運(yùn)行的危險因素分析：大氣壓和減溫減壓設(shè)備的啟動應(yīng)按以下順序進(jìn)行：操作前的設(shè)備檢查→設(shè)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(shè)備驅(qū)動。設(shè)備的啟動順序?yàn)椋涸屠溲h(huán)→加熱脫水→250℃恒溫?zé)崦堋洪_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，容易發(fā)生的危險因素主要是：發(fā)動機(jī)泵，循環(huán)泄漏和火災(zāi)。加熱爐常減壓蒸餾裝置的減壓程序?yàn)椋涸蜏p壓→常壓冷卻側(cè)管線→減壓減壓脫真空→停止側(cè)管線。</p><p style="text-indent:25px">減溫減壓裝置主要用于熱電站及供熱管網(wǎng)中，對高溫高壓過熱蒸汽進(jìn)行溫度和壓力調(diào)節(jié)，以達(dá)到用戶要求的用熱或動力參數(shù)，保證管網(wǎng)和設(shè)備齊全，高效運(yùn)行，節(jié)約能源，滿足生產(chǎn)工藝的要求，延長設(shè)備要求。本系統(tǒng)主要有控制系統(tǒng)、減壓裝置、減溫裝置三部分組成，可同時用于減溫減壓，也可單獨(dú)進(jìn)行減溫減壓或減壓。安裝使用要求：安全閥下應(yīng)設(shè)以固定支架，泄壓應(yīng)排至安全處。保證離地、離墻一定的安裝間距，以便安裝維護(hù)。前后應(yīng)安裝截止閥、過濾閥，并加旁通以便檢修。減溫減壓裝置后部管道低處應(yīng)安裝輸水閥。減溫減壓裝置前后均應(yīng)安裝溫度表、壓力表。減溫減壓裝置功能強(qiáng)大，并可根據(jù)用戶要求進(jìn)行功能擴(kuò)展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安徽減溫減壓裝置價格是多少,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(dǎo)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(dāng)管道受熱膨脹，冷縮和其他位移限制時產(chǎn)生的應(yīng)力稱為二次應(yīng)力。減溫器和減壓器下部的熱應(yīng)力導(dǎo)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(dǎo)致較高的軸向拉伸應(yīng)力。這種較高的熱應(yīng)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(jī)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。建議在減溫減壓裝置的出口處裝設(shè)對空排汽閥。閔行區(qū)減溫減壓裝置價錢多少</p><p style="text-indent:25px">給水系統(tǒng)清洗也應(yīng)分階段進(jìn)行，裝有給水節(jié)流裝置的，先要把節(jié)流裝置前面的給水管路清洗。安徽減溫減壓裝置價格是多少</p><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）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）。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）。安徽減溫減壓裝置價格是多少</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2763070.html</p></div></div></div></div></div><div id="o9jfzqn" class="page-right twoColRt"><div id="ikgi2vs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8mhcrip" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="w42kcel" class="recomPic likePro"><a 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