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clearfix"><h1>重慶減溫減壓裝置批發(fā)商和諧共贏上海大田閥門管道工程供應(yīng)</h1><div id="uiubi7b" class="proBig"><div id="3jk8fc3" 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="kikrd2h" 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="s7pa8l3" 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>重慶減溫減壓裝置批發(fā)商,減溫減壓裝置</p><p><span>***更新：</span>2021-01-14 04:22:54</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="jef3q8l" 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="8i7xrrm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="mfmdamo" class="box"><p><p style="text-indent:25px">減溫減壓裝置是現(xiàn)代工業(yè)中熱電聯(lián)產(chǎn)、集中供熱（或供汽）及輕工、電力、化工、紡織等企業(yè)，在熱能工程中應(yīng)用的一種蒸汽熱能參數(shù)（壓力、溫度）轉(zhuǎn)變裝置和利用余熱的節(jié)能裝置，通過本裝置，把用戶提供的蒸汽參數(shù)降到用戶需要合適的溫度和壓力，以滿足用戶的要求，并且能夠充分節(jié)約熱能，合理使用熱能。減溫減壓裝置工作原理裝置簡(jiǎn)介，重慶減溫減壓裝置批發(fā)商，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，重慶減溫減壓裝置批發(fā)商。減溫減壓裝置的結(jié)構(gòu)組件由減壓閥、節(jié)流孔板、蒸汽混合管道（帶噴嘴）、安全閥、給水調(diào)節(jié)閥、節(jié)流閥、截止閥、止回閥、減溫水管，重慶減溫減壓裝置批發(fā)商、法蘭、標(biāo)準(zhǔn)件等組成。減溫減壓閥即是通過控制閥內(nèi)的介質(zhì)流量，將介質(zhì)的壓力減低的。重慶減溫減壓裝置批發(fā)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶減溫減壓裝置批發(fā)商,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363666331748047/3049921.png"></div><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)，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，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。重慶減溫減壓裝置批發(fā)商運(yùn)行減溫減壓裝置之前沖洗設(shè)備的管道，然后打開減壓閥20%并用重錘按下安全閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶減溫減壓裝置批發(fā)商,減溫減壓裝置" src="https://tyunfile.71360.com/UploadFile/shdatian/637363665216318359/432501.png"></div><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，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，直至各參數(shù)達(dá)到要求。調(diào)試完畢。</p><p style="text-indent:25px">當(dāng)客戶在使用減溫減壓裝置中碰到問題的時(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)力稱為二次應(yīng)力)。允許應(yīng)力值為52.00MPa[出自于《火力發(fā)電廠汽水管道應(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶減溫減壓裝置批發(fā)商,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。過熱蒸汽作為機(jī)械能量的產(chǎn)生提供了較佳的能源。重慶減溫減壓裝置批發(fā)商</p><p style="text-indent:25px">安全閥排汽管底部應(yīng)裝有接到安全地點(diǎn)的疏水管。重慶減溫減壓裝置批發(fā)商</p><p style="text-indent:25px">減溫減壓裝置應(yīng)及時(shí)排除管道中的積氣。當(dāng)空氣進(jìn)入減壓管網(wǎng)或管網(wǎng)內(nèi)隨壓力變化時(shí)氣體從水中析出，這時(shí)區(qū)域內(nèi)用戶的水壓極不穩(wěn)定；處在供水不利點(diǎn)用水器更是壓力變化急驟，有時(shí)呈現(xiàn)虛假的峰值壓力，有時(shí)還會(huì)抽吸斷水，還有管網(wǎng)會(huì)伴隨撞擊聲。產(chǎn)生這種現(xiàn)象，會(huì)影響燃?xì)鉄崴?、電熱水器等穩(wěn)定工作，嚴(yán)重時(shí)會(huì)被毀壞；對(duì)各種盥洗器具的進(jìn)水連接管破壞力也很大，因此爆管的事件屢有發(fā)生；有些水表無法正確計(jì)量，出現(xiàn)用戶不用水，水表也會(huì)不斷地轉(zhuǎn)動(dòng)。減溫減壓裝置無傳動(dòng)部件，減溫水霧化效果好。減溫減壓裝置維護(hù)操作時(shí)是應(yīng)該由專業(yè)人員執(zhí)行的。重慶減溫減壓裝置批發(fā)商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2837022.html</p></div></div></div></div></div><div id="ui2xof2" class="page-right twoColRt"><div id="7fof332" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="esul2a4" 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" 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