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class="twoCol"><div id="3zzws8n" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/second-jxjxysb_famenti/">閥門</a>?<a href="http://m.cdcfah.com/cp/third-famenti_jianyafagx/">減壓閥</a>?上海減溫裝置哪家比較便宜推薦咨詢上海大田閥門管道工程供應(yīng)</p><div id="vwnu2pm" class="leftbox clearfix"><h1>上海減溫裝置哪家比較便宜推薦咨詢上海大田閥門管道工程供應(yīng)</h1><div id="t8cemtf" class="proBig"><div id="dkbdact" class="bigimg"><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 id="8yvxu32" 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="cb33urd" 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>上海減溫裝置哪家比較便宜,減溫減壓裝置</p><p><span>***更新：</span>2020-12-23 01:15:04</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="8qselsz" 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="kegnegi" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kebypwy" class="box"><p><p style="text-indent:25px">減溫減壓裝置管道故障的原因是：管道之間的溫差有著很大的差距，上海減溫裝置哪家比較便宜，上海減溫裝置哪家比較便宜。中間支架懸掛，冷卻減壓裝置溫度超過標(biāo)準(zhǔn)，打開注水閥后管路容易開裂;中間支撐架懸掛，頭部小頭的主應(yīng)力不大(主應(yīng)力合格)，上海減溫裝置哪家比較便宜，支架懸掛。管道應(yīng)力不是此位置開裂的主要原因。管道段的溫度高于下限溫度，這將導(dǎo)致管道彎曲并軸向變形。這與實(shí)際管道變形的理論分析是一致的，表明向上和向下彎曲的主要原因是管道彎曲變形和支撐吊架間隙。如何解決這些減溫減壓裝置的管道故障問題：優(yōu)化噴水裝置。簡(jiǎn)化疏水管的添加并改善疏水條件。重新設(shè)計(jì)和計(jì)算系統(tǒng)管道以及支架和吊架選項(xiàng)。減溫減壓裝置安裝位置要遠(yuǎn)離比較大的電源裝置。上海減溫裝置哪家比較便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海減溫裝置哪家比較便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">在減溫減壓裝置的自然頻率和介質(zhì)流動(dòng)所造成的激勵(lì)頻率一致時(shí)，將引起共振，它是減壓閥在一定減壓范圍內(nèi)產(chǎn)生的，而且一旦條件稍有變化，其噪音變化就很大的高頻振動(dòng)；在減溫減壓裝置中重要的便是減溫減壓閥，減溫減壓閥即是通過控制閥內(nèi)的介質(zhì)流量，將介質(zhì)的壓力減低的，在通過閥內(nèi)或閥后噴入冷卻水，使介質(zhì)起到降溫的作用的一種儀器。簡(jiǎn)單的說，減溫減壓閥就是改變溫度和壓力的儀器。這種儀器在熱電廠、集中供熱、石化、印染、造紙、制藥、冶金等行業(yè)中是很常見的。減溫減壓裝置自動(dòng)控制系統(tǒng)出現(xiàn)故障，應(yīng)立即切換到手操狀態(tài)。上海減溫裝置哪家比較便宜減溫減壓裝置動(dòng)作平穩(wěn)，不會(huì)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="上海減溫裝置哪家比較便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665488730469/5001737.png"></div><p style="text-indent:25px">減溫減壓裝置在運(yùn)行過程中分為兩個(gè)物理過程，一個(gè)是減壓，另一個(gè)是減溫。減溫原理是壓力調(diào)節(jié)閥的原理。將水噴入高溫蒸汽中。過熱水在通過噴嘴后分散成小水滴。一段時(shí)間后，水霧蒸發(fā)，從而降低蒸汽溫度，該過程遵循熱平衡原理。減溫減壓裝置需要考慮一個(gè)蒸汽條件，減溫水條件，溫度和壓力測(cè)量，信號(hào)傳輸，截止隔離裝置，安全系統(tǒng)，管道布置和連接的內(nèi)容。因此從嚴(yán)格意義上講，我們應(yīng)該將其稱為減溫減壓系統(tǒng)。整個(gè)降溫和減壓系統(tǒng)有許多組件。從結(jié)構(gòu)上，我們可以將它分成幾個(gè)模塊來別討論。如減壓模塊，減溫模塊，減溫水控模塊，測(cè)量模塊，安全模塊，截止隔離模塊，管道傳輸模塊，連接模塊等。每個(gè)模塊負(fù)責(zé)不同的功能，針對(duì)不同的方向，參考不同的數(shù)據(jù)，共同完成蒸汽減溫和減壓工作，并輸出高質(zhì)量和穩(wěn)定的二次蒸汽。</p><p style="text-indent:25px">在減溫減壓裝置管道出口低處應(yīng)裝有吹洗、取樣、疏水排污用的閥門，安全閥排汽管底部應(yīng)裝有接到安全地點(diǎn)的疏水管；給水系統(tǒng)管路在截止閥或節(jié)流裝置前面須安裝過慮器；減溫水若需安裝水泵時(shí),請(qǐng)嚴(yán)格按水泵的介質(zhì)流動(dòng)方向和使用說明書的要求安裝；若蒸汽管路和給水系統(tǒng)設(shè)有流量計(jì)，為了保證測(cè)量精度，安裝時(shí)考慮前后管道直段距離，流量計(jì)上游直段距離為管道內(nèi)徑的10倍，下游直段距離為管道內(nèi)徑的5倍，直管段上不得有影響測(cè)量精度的其它設(shè)備，具體見流量計(jì)使用說明書和熱工儀表安裝規(guī)范。安全閥下應(yīng)設(shè)以固定支架，泄壓應(yīng)排至安全處。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海減溫裝置哪家比較便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666223652344/836920.png"></div><p style="text-indent:25px">減溫減壓裝置升壓過程中，對(duì)沖量式安全閥必須進(jìn)行整定壓力校驗(yàn)。當(dāng)壓力升高到管道內(nèi)額定壓力的50%時(shí)，將沖量式安全閥的杠桿向上抬起，檢查主安全閥開啟和關(guān)閉動(dòng)作是否靈敏，當(dāng)蒸汽壓力達(dá)到規(guī)定的安全閥整定壓力時(shí)，固定并鎖緊重錘。此時(shí)，沖量安全閥應(yīng)再動(dòng)作一次，檢查其整定壓力是否正常，主安全閥動(dòng)作是否靈敏，有無卡阻現(xiàn)象。然后對(duì)重錘和杠桿加以鉛封或加鎖。若蒸汽管道上裝設(shè)彈簧安全閥，須對(duì)彈簧安全閥作整定壓力、回座壓力試驗(yàn)，檢查其整定壓力是否正常，動(dòng)作是否靈敏，有無卡阻現(xiàn)象。達(dá)到要求后，再對(duì)安全閥加以鉛封。減溫減壓裝置排除故障后才能投入運(yùn)行。上海減溫裝置哪家比較便宜</p><p style="text-indent:25px">減溫減壓裝置操作靈活，可根據(jù)不同要求任意設(shè)定參數(shù)。上海減溫裝置哪家比較便宜</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(dòng)的水力控制裝置。減壓閥開啟泄壓，減壓閥又關(guān)閉。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(huì)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，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(dòng)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。上海減溫裝置哪家比較便宜</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2517883.html</p></div></div></div></div></div><div id="uzw2e3p" class="page-right twoColRt"><div id="nnmyfht" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8xjgsjg" class="recomPic likePro"><a href="http://m.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) 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