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clearfix"><h1>浙江減溫裝置哪里有真誠(chéng)推薦上海大田閥門(mén)管道工程供應(yīng)</h1><div id="3i8hed7" class="proBig"><div id="0tc4izd" 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="py8zgk3" 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="nkwgnwk" 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>浙江減溫裝置哪里有,減溫減壓裝置</p><p><span>***更新：</span>2021-01-08 02:11:24</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="37r22qs" 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(mén)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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nrti72n" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ielrdf" class="box"><p><p style="text-indent:25px">減溫減壓裝置出口蒸汽流量變化范圍為30%Q~100%Q，特殊需要者可由供需雙方協(xié)商。減溫減壓裝置額定出口蒸汽壓力P2，減溫減壓裝置額定出口蒸汽壓力的偏差范圍是：①當(dāng)額定出口蒸汽壓力小于0.98MPa時(shí)，為P2±0，浙江減溫裝置哪里有.04MPa；②當(dāng)額定出口蒸汽壓力不大于3.82MPa時(shí)，為P2±0.06MPa； ③當(dāng)額定出口蒸汽壓力大于3.82MPa時(shí)，為P2±0.15MPa。額定出口蒸汽溫度t2：額定出口蒸汽溫度必須在飽和溫度以上（含飽和溫度）；額定出口蒸汽溫度的偏差范圍的值為額定出口蒸汽溫度t2±5℃。減溫減壓裝置正常運(yùn)行時(shí)，在減溫減壓閥（減壓閥）出口中心線(xiàn)同一水平面下游1m處測(cè)其噪聲，總體噪聲水平不大于85dB(A)，浙江減溫裝置哪里有，浙江減溫裝置哪里有。減溫減壓裝置整體吹洗后，應(yīng)檢查過(guò)濾器濾網(wǎng)有無(wú)堵塞現(xiàn)象，并及時(shí)去除。浙江減溫裝置哪里有</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江減溫裝置哪里有,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><p style="text-indent:25px">我國(guó)減溫減壓裝置有多種結(jié)構(gòu)形式，但不管其形式如何，一般由減溫系統(tǒng)、減壓系統(tǒng)（或減溫減壓一體系統(tǒng)）、主蒸汽管體、安全保護(hù)系統(tǒng)、熱力控制系統(tǒng)等組成。減溫系統(tǒng)：通過(guò)高壓差調(diào)節(jié)閥（或變頻水泵等），將冷卻水從不同形式的噴嘴處以霧狀噴入文氏管或蒸汽管道的蒸汽中，使蒸汽溫度降低。減壓系統(tǒng)：由減壓閥和節(jié)流孔板組成，減壓閥通過(guò)改變流通面積達(dá)到調(diào)節(jié)壓力的目的。減溫減壓系統(tǒng)：把減溫系統(tǒng)和減壓系統(tǒng)合二為一，使裝置的外形尺寸減小而技術(shù)復(fù)雜性增加。主汽管體：由混合管和蒸汽管等組成。根據(jù)用戶(hù)提供的參數(shù)決定，是減溫減壓裝置的主體設(shè)備，目的是將減溫減壓后的蒸汽送入用戶(hù)需要的管道上。靜安區(qū)減溫減壓裝置減溫系統(tǒng)采用文丘里氏加笛管?chē)娮斓姆绞剑瑹o(wú)傳動(dòng)部件，減溫水霧化效果好，噴嘴拆裝方便，便于維修。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江減溫裝置哪里有,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363664801455078/9699433.png"></div><p style="text-indent:25px">減溫減壓裝置由減壓系統(tǒng)，降低過(guò)熱系統(tǒng)和安全系統(tǒng)組成。在安裝設(shè)備之前，用戶(hù)在設(shè)備的入口和出口處安裝蒸汽切斷閥和蒸汽疏水閥。應(yīng)在減溫水系統(tǒng)上安裝除濕和過(guò)濾設(shè)備，以確保過(guò)熱水凈化。安裝設(shè)備后，外殼試驗(yàn)應(yīng)在1.5倍的工作壓力下進(jìn)行。在運(yùn)行減溫減壓裝置之前沖洗設(shè)備的管道，然后打開(kāi)減壓閥20%并用重錘按下安全閥。打開(kāi)疏水閥，打開(kāi)減溫水管上的截止閥。慢慢打開(kāi)調(diào)節(jié)噴嘴，檢查減溫水系統(tǒng)。檢查后，打開(kāi)旁通系統(tǒng)加熱管(例如，打開(kāi)旁通閘閥，也可以使用其他熱源)，蒸汽壓力保持在200~500Pa，持續(xù)30分鐘。加熱管后，打開(kāi)截止閥，保持1000~1500Pa / min的速度增加壓力，操作減壓閥和可調(diào)噴嘴，確保二次蒸汽滿(mǎn)足設(shè)備要求。當(dāng)二次減溫減壓裝置壓力達(dá)到額定壓力的50%時(shí)，用手抬起安全閥桿，檢查安全閥的密封性和靈敏度。當(dāng)達(dá)到設(shè)定壓力時(shí)，錘子被固定。用戶(hù)必須定期檢查設(shè)備，以消除隱藏的缺陷，確保安全閥具有良好的靈敏度和緊湊性，并修復(fù)磨損的閥桿和閥座。</p><p style="text-indent:25px">蒸汽輪機(jī)的溫度需減溫減壓裝置來(lái)調(diào)節(jié)的原因：調(diào)節(jié)蒸汽溫度，使鍋爐蒸汽溫度在指定范圍內(nèi)。減溫減壓裝置的制造商告訴我們，蒸汽輪機(jī)的蒸汽溫度非常嚴(yán)格。通常，蒸汽機(jī)的正負(fù)蒸汽溫度不超過(guò)5攝氏度，也就是說(shuō)，蒸汽溫度只能在10攝氏度內(nèi)波動(dòng)。如果蒸汽溫度超過(guò)規(guī)定值，則會(huì)縮短過(guò)熱器，蒸汽管線(xiàn)，蒸汽輪機(jī)和閥門(mén)的使用壽命，嚴(yán)重時(shí)會(huì)損壞設(shè)備。蒸汽溫度低于規(guī)定值會(huì)降低設(shè)備的經(jīng)濟(jì)性。當(dāng)蒸汽溫度降低10°C時(shí)，設(shè)備的經(jīng)濟(jì)效率降低0.6%-0.8%。而且由于影響蒸汽溫度的因素很多，為了使蒸汽溫度保持在指定范圍內(nèi)，必須調(diào)節(jié)蒸汽溫度。調(diào)節(jié)蒸汽溫度的方法有很多，并且使用通過(guò)使用減溫器來(lái)調(diào)節(jié)蒸汽溫度的方法。過(guò)熱蒸汽作為機(jī)械能量的產(chǎn)生提供了較佳的能源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江減溫裝置哪里有,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">當(dāng)客戶(hù)在使用減溫減壓裝置中碰到問(wèn)題的時(shí)候的辦法講解一下，支吊架懸空、簡(jiǎn)體彎曲原因分析管道截面上部溫度高于下部溫度，將造成管道軸向彎曲變形，與實(shí)際管道的變形理論分析一致，說(shuō)明管道截面上下溫差是導(dǎo)致管道彎曲變形及支吊架脫空的主要原因。焊縫開(kāi)裂原因分析管道在熱脹、冷縮及其他位移受約束時(shí)所產(chǎn)生的應(yīng)力稱(chēng)為二次應(yīng)力)。允許應(yīng)力值為52.00MPa[出自于《火力發(fā)電廠(chǎng)汽水管道應(yīng)力計(jì)算技術(shù)規(guī)定》)(SDGJ6—90)。大小頭的小頭處一次應(yīng)力為35.71MPa。由此說(shuō)明兩點(diǎn)：①中間支架懸空，減溫減壓器一次應(yīng)力超標(biāo)，噴水閥后管道容易產(chǎn)生裂紋;②中間支吊架懸空，在大小頭處的小頭處一次應(yīng)力并不大(一次應(yīng)力合格)，支架懸空情況下，管系應(yīng)力不是該處產(chǎn)生裂紋的主要原因。減溫減壓裝置是用來(lái)調(diào)節(jié)蒸汽壓力、溫度的重要裝置。浙江減溫裝置哪里有</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。浙江減溫裝置哪里有</p><p style="text-indent:25px">不得不說(shuō)，減溫減壓裝置在我們工業(yè)生產(chǎn)活動(dòng)中，應(yīng)用是非常多的。所以，如果你經(jīng)常與減溫減壓裝置打交道，那么你必須要學(xué)會(huì)如何維護(hù)和保養(yǎng)減溫減壓裝置。下面，就來(lái)教給大家。在設(shè)備運(yùn)行期間，必須定期給潤(rùn)滑區(qū)加油。應(yīng)經(jīng)常觀察蒸汽，冷卻水流量，壓力和溫度。所有儀表讀數(shù)應(yīng)及時(shí)記錄在手冊(cè)中以供檢查。同時(shí)，有必要檢查閥門(mén)附件的機(jī)械運(yùn)動(dòng)是否靈活，并確保設(shè)備的安全運(yùn)行。務(wù)必檢查減溫減壓裝置閥和供水調(diào)節(jié)閥是否損壞，以及管道是否泄漏或振動(dòng)。為了防止安全閥的閥瓣和閥座粘連，應(yīng)定期對(duì)安全閥進(jìn)行手動(dòng)放電試驗(yàn)，以檢查安全閥的開(kāi)啟和關(guān)閉的靈活性。當(dāng)工作壓力達(dá)到設(shè)定壓力的75%時(shí)，可以小心小心地提起沖擊安全閥的杠桿或彈簧安全閥的扳手，安全閥打開(kāi)和排出。安全閥每年至少校準(zhǔn)一次，并符合相應(yīng)規(guī)范的要求。為確保設(shè)備安全運(yùn)行，應(yīng)定期對(duì)減溫減壓裝置進(jìn)行維修，檢驗(yàn)期一般為一年。浙江減溫裝置哪里有</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2748482.html</p></div></div></div></div></div><div id="c8bqb73" class="page-right twoColRt"><div id="7tkrtfh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ztli2wn" class="recomPic likePro"><a 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