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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="u8bl3wy" class="twoCol"><div id="8r3ukmt" 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>?甘肅減溫減壓裝置銷售價格誠信經(jīng)營上海大田閥門管道工程供應(yīng)</p><div id="smoqctq" class="leftbox clearfix"><h1>甘肅減溫減壓裝置銷售價格誠信經(jīng)營上海大田閥門管道工程供應(yīng)</h1><div id="3c9rtvm" class="proBig"><div id="gfc3mjq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3jdmjlx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8tnzlcj" 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>甘肅減溫減壓裝置銷售價格,減溫減壓裝置</p><p><span>***更新：</span>2021-01-22 07:13:51</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ospw8qn" 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="oxnkr3q" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tn8m7iz" class="box"><p><p style="text-indent:25px"> 減溫減壓閥是減溫減壓裝置中的關(guān)鍵部件，減溫減壓閥的性能直接影響整個減溫減壓裝置的性能。現(xiàn)役減溫減壓閥基本上是雙座平衡式結(jié)構(gòu)的第三代減溫減壓閥和單座套筒式結(jié)構(gòu)的第四代減溫減壓閥，第三代減溫減壓閥是雙座結(jié)構(gòu)，不易密封，泄漏量大，第三代減溫減壓閥的減溫是在閥瓣上開小孔，減溫水的噴嘴流通面積不變，當(dāng)流量變化較大時，減溫水的霧化效果不能達(dá)到使用要求。第四代減溫減壓閥為單座套筒結(jié)構(gòu)，甘肅減溫減壓裝置銷售價格，內(nèi)部采用霧化噴嘴，結(jié)構(gòu)復(fù)雜，甘肅減溫減壓裝置銷售價格，甘肅減溫減壓裝置銷售價格，內(nèi)腔容積較大，并且采用雙球結(jié)構(gòu)。減溫減壓裝置無傳動部件，減溫水霧化效果好.甘肅減溫減壓裝置銷售價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置銷售價格,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666583388672/3087583.png"></div><p style="text-indent:25px">減溫減壓裝置的蒸汽管道：由于使用了減壓閥，省去了原來的減壓和減壓裝置中的單獨的噴水和減壓混合管，從而將整個裝置的長度縮短了約1/2，結(jié)構(gòu)緊湊，并減少了占地面積。減少工程投資管道上裝有安全閥，壓力表，溫度計等，以確保設(shè)備的安全運行。熱調(diào)節(jié)裝置：包括溫度控制柜和電動執(zhí)行器。有兩種控制方法：自動控制(電子調(diào)節(jié)儀器的自動控制)和順序控制。自動控制柜包括：溫度指示器，壓力指示器，調(diào)節(jié)器，警報器，操作員等。配備減壓和調(diào)節(jié)閥的電動執(zhí)行器分為直行程和角行程。它的蒸汽壓力由儀表壓力變送器調(diào)節(jié)，可以將蒸汽壓力波動更改為4-20m。減溫減壓設(shè)備將高參數(shù)蒸汽還原為低參數(shù)蒸汽。以鍋爐過熱器出口為例。來自鍋爐的蒸汽通過加熱器的出口到達(dá)蒸汽輪機(jī)進(jìn)行工作。蒸汽輪機(jī)對輸入蒸汽參數(shù)有范圍要求。如果過熱器出口處的蒸汽參數(shù)超過蒸汽輪機(jī)要求的上限，則會損壞蒸汽。因此，必須使用降溫/降壓裝置以將參數(shù)降低到適用范圍。溫州減溫減壓裝置公司哪家好減溫減壓裝置在使用前都需要進(jìn)行吹洗來處理管道內(nèi)的污漬。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置銷售價格,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665996337891/5187919.png"></div><p style="text-indent:25px"> 減溫減壓閥的壓力調(diào)節(jié)是通過壓力變送器和調(diào)節(jié)器，再由電動（氣動）執(zhí)行機(jī)構(gòu)操縱，帶動與減溫減壓閥閥瓣相連的閥桿，使閥瓣在套筒內(nèi)上下運動，以改變介質(zhì)流通面積來達(dá)到節(jié)流減壓的目的；減溫減壓閥的溫度調(diào)節(jié)是減溫水經(jīng)調(diào)節(jié)閥粗調(diào)后由噴嘴（閥瓣上噴嘴孔的相對流通面積與減壓實現(xiàn)同步可調(diào)）噴入閥腔內(nèi)，與高速蒸汽混合霧化，使蒸汽溫度降到工藝要求。第五代減溫減壓閥閥體采用球形，上下腔均為半球形流線型結(jié)構(gòu)，有利于流體的無阻塞流動。減壓通過閥座及套筒實現(xiàn)多級減壓。在執(zhí)行機(jī)構(gòu)的推動下。</p><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(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)熱時蒸汽壓力不超過0.02~0.05Mpa，預(yù)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(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。減溫減壓裝置的制作材料屬于低摩擦，減小了金屬與金屬之間的相互摩擦.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅減溫減壓裝置銷售價格,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">減溫減壓裝置減溫調(diào)試：通過二次溫度調(diào)節(jié)儀手動調(diào)整給水調(diào)節(jié)閥位到10%~20%，當(dāng)二次蒸汽溫度接近目標(biāo)值時，開水泵并將二次溫度調(diào)節(jié)儀切換到自動，使系統(tǒng)進(jìn)入自動調(diào)節(jié)狀態(tài)，觀察系統(tǒng)的調(diào)溫能力，直至各參數(shù)達(dá)到要求。調(diào)試完畢。運行中的注意事項：使用的減溫水必須是純凈軟化水，不得帶有固體雜質(zhì)以防堵塞噴嘴。停運：停運前應(yīng)先通知供汽部門及汽源部門，然后逐漸關(guān)閉減溫減壓閥和電動調(diào)節(jié)閥，逐漸降低壓力和溫度至閥門完全關(guān)閉。減溫減壓閥電動調(diào)節(jié)閥完全關(guān)閉后，關(guān)閉蒸汽進(jìn)口處閘閥和減溫水管道上截止閥，打開疏水器排出冷凝水。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.浙江減溫減壓裝置哪個牌子好</p><p style="text-indent:25px">減溫減壓裝置向上提起沖量式安全閥的杠桿或彈簧式安全閥的扳手，強(qiáng)行使安全閥開啟并排放.甘肅減溫減壓裝置銷售價格</p><p style="text-indent:25px">減溫減壓裝置顧名思義:后面的溫度和壓力肯定要比前面的低。減溫減壓裝置的介質(zhì)一定是蒸汽。明確了這兩點后，我們就可以提要求采購設(shè)備了，采購減溫減壓裝置需要提供七個參數(shù)+注意事項：裝置進(jìn)口/出口蒸汽的蒸汽流量Q t/h；裝置進(jìn)口蒸汽的壓力P1 MPa；裝置進(jìn)口蒸汽的溫度T1 ℃；裝置出口蒸汽的壓力P2 MPa；裝置出口蒸汽的溫度T2 ℃；減溫水的壓力Pb MPa；減溫水的壓力Tb ℃；執(zhí)行機(jī)構(gòu)形式：電動/氣動（明確品牌，氣動還需要明確進(jìn)氣開or進(jìn)氣關(guān)）；給水路上的閥門是否有特殊要求（其實就是那個截止閥）。若要電動的也要提一下電裝的要求（品牌、想要實現(xiàn)怎么樣的功能）；明確裝置進(jìn)出口是否要配切斷閥，配的話也要提出相應(yīng)的要求；若裝置上還有另外特殊的要求，如要小旁路什么的也盡可能詳細(xì)提出，這些石油化工上的要求比較多。。甘肅減溫減壓裝置銷售價格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2958653.html</p></div></div></div></div></div><div id="cra8ubi" class="page-right twoColRt"><div id="n7g7xzl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2nubi2g" 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="ix7nmif" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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