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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>黃山減溫減壓裝置價(jià)格哪家便宜,減溫減壓裝置</p><p><span>***更新：</span>2021-02-04 13:19:41</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="igizd8v" 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="tgcyflm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3h9tzg2" class="box"><p><p style="text-indent:25px">減溫減壓裝置預(yù)熱后，逐漸打開減溫減壓閥前面的切斷閥，同時(shí)關(guān)閉旁通閥，以每分鐘0.1~0.15Mpa壓力進(jìn)行升壓，在升壓的同時(shí)，黃山減溫減壓裝置價(jià)格哪家便宜，手動(dòng)操縱減溫減壓閥，給水調(diào)節(jié)閥執(zhí)行機(jī)構(gòu)的手輪，以保證蒸汽參數(shù)在規(guī)定范圍內(nèi)。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，黃山減溫減壓裝置價(jià)格哪家便宜，黃山減溫減壓裝置價(jià)格哪家便宜，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。減溫減壓裝置調(diào)試完畢，蒸汽參數(shù)正常后，即可投入到自動(dòng)控制狀態(tài)運(yùn)行。自動(dòng)控制儀表和熱力控制柜的調(diào)試按“自動(dòng)控制儀表說明書”和“控制裝置說明書”進(jìn)行。減溫減壓裝置不要依靠閥門支持其它重物，不要在閥門上站立.黃山減溫減壓裝置價(jià)格哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山減溫減壓裝置價(jià)格哪家便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665887490234/7269130.png"></div><p style="text-indent:25px">減溫減壓裝置汽溫超過規(guī)定值，會(huì)使過熱器、蒸汽管道、汽輪機(jī)及閥門等設(shè)備壽命降低，嚴(yán)重時(shí)可使上述設(shè)備損壞。汽溫低于規(guī)定值，會(huì)降低機(jī)組的經(jīng)濟(jì)性。汽溫降低10℃，機(jī)組的經(jīng)濟(jì)性降低0.6%～0.8%。由于影響汽溫的因素很多，為了保持蒸汽溫度在規(guī)定范圍內(nèi)，必須對(duì)蒸汽溫度進(jìn)行調(diào)整。調(diào)整汽溫的方法很多，減溫減壓裝置調(diào)整汽溫是普遍采用的方法。沒有保溫的光管是簡(jiǎn)單的減溫減壓裝置，熱量通過輻射傳遞給環(huán)境，蒸汽減溫。很顯然，這種減溫減壓裝置除了熱表面光管可能對(duì)人體造成傷害以外，還存在昂貴的能量浪費(fèi)。黃山減溫減壓裝置價(jià)格哪家便宜減溫減壓閥是減溫減壓裝置中的關(guān)鍵部件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山減溫減壓裝置價(jià)格哪家便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665574609375/7235091.png"></div><p style="text-indent:25px">減溫減壓裝置設(shè)計(jì)流量大且實(shí)際流量小于設(shè)計(jì)流量的10%時(shí)，應(yīng)將自動(dòng)控制狀態(tài)切換為手動(dòng)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(dòng)控制狀態(tài)。手動(dòng)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(dòng)控制系統(tǒng)發(fā)生故障時(shí)，應(yīng)立即切換到手動(dòng)操作狀態(tài)，并且只有在排除故障后才能進(jìn)入自動(dòng)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(shí)，請(qǐng)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(gè)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(chǎng)安全，然后打開和排放安全閥。</p><p style="text-indent:25px"> 減溫減壓裝置在使用時(shí)應(yīng)檢查屋頂水箱生活給水總管的蓄水高程是否滿足，如不滿足水箱出水口處會(huì)產(chǎn)生水旋，吸入空氣。排除這一故障可調(diào)整水箱內(nèi)液位控制器的低水位高程，經(jīng)驗(yàn)表明一般低水位距出水口應(yīng)不小于0.3m。也可反復(fù)開啟設(shè)置在分區(qū)、減壓系統(tǒng)兩側(cè)的壓力表放氣旋塞，把已進(jìn)入管網(wǎng)內(nèi)的空氣徐徐排出。如采取上述措施后，在分區(qū)總管末梢以下的一些用水器還出現(xiàn)上述現(xiàn)象，可以在這些部位增設(shè)自動(dòng)排氣裝置。減溫減壓裝置使用中，這一點(diǎn)是很重要的，一定要注意。無論一次蒸汽壓力如何波動(dòng)，均能保持二次正氣壓力穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黃山減溫減壓裝置價(jià)格哪家便宜,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666223652344/836920.png"></div><p style="text-indent:25px"> 減溫減壓裝置在使用時(shí)注意：薄膜式減溫減壓裝置，適用于低壓、中壓、中小口徑的蒸汽或水等介質(zhì)；減溫減壓裝置進(jìn)口壓力的波動(dòng)應(yīng)控制在進(jìn)口壓力給定值的80%～105%，如超過該范圍，減壓前期的性能會(huì)受影響；通常減溫減壓裝置的閥后壓力應(yīng)小于閥前壓力的0.5倍；減溫減壓裝置的每一檔彈簧只在一定的出口壓力范圍內(nèi)適用，超出范圍應(yīng)更換彈簧；在介質(zhì)工作溫度比較高的場(chǎng)合，一般選用先導(dǎo)活塞式減溫減壓裝置或先導(dǎo)波紋管式減溫減壓裝置；介質(zhì)為空氣或水（液體）的場(chǎng)合，一般宜選用直接作用薄膜式減溫減壓裝置或先導(dǎo)薄膜式減溫減壓裝置；介質(zhì)為蒸汽的場(chǎng)合，宜選用先導(dǎo)活塞式或先導(dǎo)波紋管式減溫減壓裝置；為了操作、調(diào)整和維修的方便，減溫減壓裝置一般應(yīng)安裝在水平管道上。減溫減壓裝置能夠充分節(jié)約熱能，合理使用熱能.黃山減溫減壓裝置價(jià)格哪家便宜</p><p style="text-indent:25px">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。黃山減溫減壓裝置價(jià)格哪家便宜</p><p style="text-indent:25px">在啟動(dòng)和停止減溫減壓裝置的過程中，由于設(shè)備泄漏，溫度和壓力太高，氣體或空氣無法更換，儀器或安全設(shè)施出現(xiàn)故障，油氣火災(zāi)和事故很有可能發(fā)生。在為了防止事故的發(fā)生，關(guān)鍵是要控制操作，即在操作前充分計(jì)劃，識(shí)別風(fēng)險(xiǎn)并制定計(jì)劃，并在操作過程中逐步確認(rèn)。所以在使用減溫減壓裝置時(shí)一定要注意的那些問題，不管使用那類型的產(chǎn)品都要注意安全問題。大氣壓和減溫減壓設(shè)備運(yùn)行的危險(xiǎn)因素分析：大氣壓和減溫減壓設(shè)備的啟動(dòng)應(yīng)按以下順序進(jìn)行：操作前的設(shè)備檢查→設(shè)備的壓力測(cè)試和通過壓力的過程→真空度。真空塔壓力密封性測(cè)試→柴油沖洗→設(shè)備驅(qū)動(dòng)。設(shè)備的啟動(dòng)順序?yàn)椋涸屠溲h(huán)→加熱脫水→250℃恒溫?zé)崦堋洪_路側(cè)管→減壓和真空開路側(cè)管→調(diào)節(jié)操作。在啟動(dòng)過程中，容易發(fā)生的危險(xiǎn)因素主要是：發(fā)動(dòng)機(jī)泵，循環(huán)泄漏和火災(zāi)。加熱爐常減壓蒸餾裝置的減壓程序?yàn)椋涸蜏p壓→常壓冷卻側(cè)管線→減壓減壓脫真空→停止側(cè)管線。黃山減溫減壓裝置價(jià)格哪家便宜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3160825.html</p></div></div></div></div></div><div id="vy7j84p" class="page-right twoColRt"><div id="d2wnulc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bugm89x" class="recomPic likePro"><a 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