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</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="82uvqce" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="eo2wkwy" 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(jìn)口處截止閥，并逐漸開啟蒸汽進(jìn)口處閘閥，按每分鐘升高0.1-0.15Mpa的速度逐漸升壓，貴州減溫減壓裝置工作原理，貴州減溫減壓裝置工作原理，同時(shí)用手操作減壓閥和電動(dòng)調(diào)節(jié)閥，使蒸汽的壓力、溫度達(dá)到使用要求。在升壓過程中，當(dāng)壓力升到額定壓力的50%時(shí)，用手動(dòng)使安全閥起跳。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。通過調(diào)整，蒸汽參數(shù)達(dá)到規(guī)定值后方可投入使用?！p壓調(diào)節(jié)：手動(dòng)將閥位調(diào)整到20%左右（避免減壓閥動(dòng)作過慢以至安全閥起跳），緩慢開大進(jìn)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(shí)，將二次壓力調(diào)節(jié)儀切換到自動(dòng)，使系統(tǒng)進(jìn)入自動(dòng)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，貴州減溫減壓裝置工作原理，直至各參數(shù)達(dá)到要求。調(diào)試完畢。通過減溫減壓裝置可以得到合適的動(dòng)力蒸汽。貴州減溫減壓裝置工作原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州減溫減壓裝置工作原理,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665379863281/3223254.png"></div><p style="text-indent:25px">減溫減壓裝置注意事項(xiàng)：為了操作和維護(hù)方便，該閥一般直立安裝在水平管道上。減溫減壓裝置安裝必須嚴(yán)格按照閥體上的箭頭方向保持與流體流動(dòng)方向一致。如果水質(zhì)不清潔，含有一些雜質(zhì)，必須在減溫減壓裝置的上游進(jìn)水口安裝過濾器。3為了防止閥后壓力超壓，應(yīng)在離閥出口不少于4M處安裝一個(gè)減溫減壓裝置。4.減溫減壓裝置在管道中起到一定的止回作用，為了防止水錘的危害，也可安裝小的膨脹水箱，防止損壞管道和閥門，過濾器必須安裝在減溫減壓裝置的進(jìn)水管前，而膨脹水箱必須安裝在減溫減壓裝置出水管后！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。杭州減溫減壓裝置定制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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州減溫減壓裝置工作原理,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(guó)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(jí)套筒式省去了節(jié)流孔板，同時(shí)多級(jí)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(jì)的方法。該設(shè)計(jì)形式的特點(diǎn)就是設(shè)計(jì)與使用相吻合，從0到100%全程可調(diào)節(jié)，該設(shè)計(jì)方法于2003年12月被國(guó)家科委授予應(yīng)用型發(fā)明獎(jiǎng)。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(diǎn)，同時(shí)還彌補(bǔ)第二代產(chǎn)品中的所有不足之處：減壓，并多級(jí)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">減溫減壓裝置的使用前比較重要的就是做好它的安裝，那么在安裝時(shí)應(yīng)特別注意幾點(diǎn)內(nèi)容，下面就一起來看看吧。根據(jù)主系統(tǒng)的序列號(hào)安裝。閘閥應(yīng)安裝在設(shè)備的入口處，以便打開和關(guān)閉。在設(shè)備安全閥的下部安裝固定支架，并在設(shè)備兩端的適當(dāng)位置安裝滑動(dòng)支架。兩者之間的連接應(yīng)考慮熱補(bǔ)償措施或自然補(bǔ)償。對(duì)于設(shè)備的DS，疏水閥應(yīng)安裝在蒸汽出口適當(dāng)位置的低點(diǎn)。嚴(yán)格按照安裝圖紙和技術(shù)數(shù)據(jù)安裝進(jìn)出口熱敏電阻和壓力變送器，以免反向安裝。如果損壞是由于安裝錯(cuò)誤引起的，我們將不承擔(dān)任何責(zé)任。安裝每個(gè)閥時(shí)，請(qǐng)注意蒸汽和減溫水的流向。安裝完成后，卸下減壓系統(tǒng)和供水系統(tǒng)的閥門，并清洗整個(gè)管道，以除去管道中的焊渣，焊核和其他污垢。安裝前請(qǐng)檢查是否有雜物。卸下閥門，然后進(jìn)行液壓測(cè)試。減溫減壓裝置后部管道低處應(yīng)安裝輸水閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州減溫減壓裝置工作原理,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(dú)的噴水和減壓混合管，從而將整個(gè)裝置的長(zhǎng)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(jì)等，以確保設(shè)備的安全運(yùn)行。熱調(diào)節(jié)裝置：包括溫度控制柜和電動(dòng)執(zhí)行器。有兩種控制方法：自動(dòng)控制(電子調(diào)節(jié)儀器的自動(dòng)控制)和順序控制。自動(dòng)控制柜包括：溫度指示器，壓力指示器，調(diào)節(jié)器，警報(bào)器，操作員等。配備減壓和調(diào)節(jié)閥的電動(dòng)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(dòng)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(duì)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(huì)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。減溫減壓裝置由減溫系統(tǒng)、減壓系統(tǒng)、主蒸汽管體、安全保護(hù)系統(tǒng)、熱力控制系統(tǒng)等組成。普陀區(qū)減溫減壓裝置</p><p style="text-indent:25px">過濾器必須安裝在減溫減壓裝置的進(jìn)水管前。貴州減溫減壓裝置工作原理</p><p style="text-indent:25px">減溫減壓裝置檢查、自控:按現(xiàn)場(chǎng)接線圖檢查各現(xiàn)場(chǎng)傳感器（壓力變送器、熱電阻、流量傳感器）、執(zhí)行機(jī)構(gòu)、水泵與控制柜間接線是否正確。檢查進(jìn)出口熱電阻及壓力變送器前后是否裝反，壓力變送器量程高的為進(jìn)口，量程低的為出口。水泵通電前必須注滿水將全部空氣排出，以免空運(yùn)轉(zhuǎn)將水泵機(jī)械密封燒壞。在確認(rèn)水泵注滿水后，給水泵通電，檢查水泵是否正轉(zhuǎn)。如反轉(zhuǎn)，關(guān)閉水泵將任意兩相電源調(diào)換即可。檢查完畢關(guān)閉水泵。檢查儀表設(shè)定是否正確，接通儀表電源，檢查所有盤上儀表的上下限是否跟現(xiàn)場(chǎng)傳感器量程一致，PID儀表目標(biāo)值設(shè)定是否合理，PID儀表的正反作用（壓力調(diào)節(jié)閥正裝時(shí)調(diào)節(jié)儀表應(yīng)設(shè)反作用，反裝時(shí)應(yīng)設(shè)正作用。貴州減溫減壓裝置工作原理</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2905995.html</p></div></div></div></div></div><div id="2pya4tp" class="page-right twoColRt"><div id="fzmjtp7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ehebkgd" 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)" 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