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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: </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="oc00wms" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oe8msm0" class="box"><p><p style="text-indent:25px">減溫減壓裝置預(yù)熱結(jié)束后，打開減溫水進口處截止閥，并逐漸開啟蒸汽進口處閘閥，按每分鐘升高0.1-0.15Mpa的速度逐漸升壓，同時用手操作減壓閥和電動調(diào)節(jié)閥，阜陽減溫減壓裝置有什么作用，使蒸汽的壓力、溫度達到使用要求。在升壓過程中，當(dāng)壓力升到額定壓力的50%時，用手動使安全閥起跳，阜陽減溫減壓裝置有什么作用。檢查安全閥的啟閉是否靈敏，確認(rèn)后按規(guī)定定好安全閥的開啟壓力。打開疏水器，排出冷凝水，阜陽減溫減壓裝置有什么作用。通過調(diào)整，蒸汽參數(shù)達到規(guī)定值后方可投入使用。　減壓調(diào)節(jié)：手動將閥位調(diào)整到20%左右（避免減壓閥動作過慢以至安全閥起跳），緩慢開大進口閘閥，注意二次壓力調(diào)節(jié)儀顯示值，當(dāng)二次壓力接近目標(biāo)值時，將二次壓力調(diào)節(jié)儀切換到自動，使系統(tǒng)進入自動調(diào)節(jié)狀態(tài)，繼續(xù)緩慢開大閘閥，觀察系統(tǒng)的調(diào)壓能力，直至各參數(shù)達到要求。調(diào)試完畢。減溫減壓裝置由減壓系統(tǒng)，降低過熱系統(tǒng)和安全系統(tǒng)組成。阜陽減溫減壓裝置有什么作用</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阜陽減溫減壓裝置有什么作用,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，為P2±0.04MPa；②當(dāng)額定出口蒸汽壓力不大于3.82MPa時，為P2±0.06MPa； ③當(dāng)額定出口蒸汽壓力大于3.82MPa時，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行時，在減溫減壓閥（減壓閥）出口中心線同一水平面下游1m處測其噪聲，總體噪聲水平不大于85dB(A)。寶山區(qū)減溫減壓裝置怎么樣全閥每年至少校準(zhǔn)一次，并符合相應(yīng)規(guī)范的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阜陽減溫減壓裝置有什么作用,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665018583984/1132019.png"></div><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)計的方法。該設(shè)計形式的特點就是設(shè)計與使用相吻合，從0到100%全程可調(diào)節(jié)，該設(shè)計方法于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，同時還彌補第二代產(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。</p><p style="text-indent:25px">減溫減壓裝置主要由以下部分組成泄壓系統(tǒng):泄壓閥和泄壓孔板，減溫系統(tǒng):截止閥、節(jié)流閥、給水調(diào)節(jié)閥、管道增壓泵等。安全系統(tǒng):安全閥，現(xiàn)場一次儀表:壓力變送器、壓力表等，控制系統(tǒng):PLC、PID、DCS控制系統(tǒng)，安裝：閘閥應(yīng)安裝在該裝置的入口和出口，用于開啟和關(guān)閉。安全閥下部應(yīng)設(shè)置固定支架，裝置兩端的適當(dāng)位置應(yīng)設(shè)置滑動支架。疏水器應(yīng)安裝在蒸汽出口適當(dāng)位置的低點。安裝每個閥門時，注意蒸汽和減溫水的流向。安裝后，應(yīng)對整個管道進行吹掃。水壓試驗時，安全閥必須拆除并用密封板密封。保壓時間不得少于5分鐘。定位器可以加快閥桿的移動速度,提升閥門的線性度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="阜陽減溫減壓裝置有什么作用,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png"></div><p style="text-indent:25px">蒸汽輪機的溫度需減溫減壓裝置來調(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，蒸汽輪機的蒸汽溫度非常嚴(yán)格。通常，蒸汽機的正負(fù)蒸汽溫度不超過5攝氏度，也就是說，蒸汽溫度只能在10攝氏度內(nèi)波動。如果蒸汽溫度超過規(guī)定值，則會縮短過熱器，蒸汽管線，蒸汽輪機和閥門的使用壽命，嚴(yán)重時會損壞設(shè)備。蒸汽溫度低于規(guī)定值會降低設(shè)備的經(jīng)濟性。當(dāng)蒸汽溫度降低10°C時，設(shè)備的經(jīng)濟效率降低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，并且使用通過使用減溫器來調(diào)節(jié)蒸汽溫度的方法。減溫減壓裝置功能強大，并可根據(jù)用戶要求進行功能擴展。重慶減溫減壓裝置型號</p><p style="text-indent:25px">減溫減壓裝置后部管道低處應(yīng)安裝輸水閥。阜陽減溫減壓裝置有什么作用</p><p style="text-indent:25px">減溫減壓裝置設(shè)計流量大且實際流量小于設(shè)計流量的10%時，應(yīng)將自動控制狀態(tài)切換為手動控制狀態(tài)，并應(yīng)將冷卻減壓閥和供水調(diào)節(jié)閥設(shè)置為手動控制狀態(tài)。手動控制。入口截止閥控制流量，以防止設(shè)備壓力異常升高。自動控制系統(tǒng)發(fā)生故障時，應(yīng)立即切換到手動操作狀態(tài)，并且只有在排除故障后才能進入自動操作狀態(tài)。當(dāng)設(shè)備受到異常壓力而無法打開安全閥時，請立即打開設(shè)備出口處的排氣閥，以減少設(shè)備的異常壓力并確保個人設(shè)備的安全。如果設(shè)備沒有排氣閥，則可以抬起脈沖安全閥或彈簧式安全閥扳手的手柄以確?，F(xiàn)場安全，然后打開和排放安全閥。阜陽減溫減壓裝置有什么作用</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2465800.html</p></div></div></div></div></div><div id="cqyom88" class="page-right twoColRt"><div id="8gukqwc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kyeuaou" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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