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信息推薦上海派力防爆科技供應(yīng)</h1><div id="ghnubdk" class="proBig"><div id="kqseb8m" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287472812500/8131148.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hqs3sph" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplfb/637368287472812500/8131148.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="a2zoax7" 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>蚌埠防爆緊急切斷閥采購(gòu),防爆緊急切斷閥</p><p><span>***更新：</span>2020-12-17 08:26:16</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="zizm3h8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海派力防爆科技有限公司</a></p><p><span>聯(lián)系人：</span>張軍克</p><p><span>郵箱: </span>junkezhang88@163.com</p><p><span>電話(huà): </span>15000234576</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span>http://www.palex.com.cn</p><p><span>手機(jī): </span>0577-57769997</p><p><span>地址: </span>老港鎮(zhèn)老蘆公路536號(hào)</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="sbdaszb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ueqszq" class="box"><p><p style="text-indent:25px">一種防爆燃?xì)饩o急切斷閥，包括閥體，閥體的閥座配置有閥瓣，閥瓣上設(shè)置有閥桿，閥桿配置有電控執(zhí)行器，其特征是：所述電控執(zhí)行器設(shè)置于模塊化殼體中，模塊化殼體包括相互扣合的執(zhí)行器安裝殼和電子總成安裝殼，電子總成安裝殼套接并固定在金屬閥蓋上，所述執(zhí)行器安裝殼中設(shè)置有驅(qū)動(dòng)閥桿上升的電控執(zhí)行器，電子總成安裝殼中安裝有電子總成，電子總成連接并控制電控執(zhí)行器，所述電子總成包括PLC控制組件、無(wú)線(xiàn)信號(hào)收發(fā)裝置和電池。工作準(zhǔn)則，蚌埠防爆緊急切斷閥采購(gòu)，閥門(mén)在日常工作中常開(kāi)。狀態(tài)，電磁閥線(xiàn)圈處于斷電狀態(tài)并且不消耗電能。事故發(fā)生時(shí)，閥門(mén)線(xiàn)圈瞬間通電，觸發(fā)閥門(mén)快速關(guān)閉，進(jìn)入自鎖狀態(tài)，蚌埠防爆緊急切斷閥采購(gòu)。此時(shí)，即使斷電，閥門(mén)仍處于自鎖狀態(tài)，不會(huì)自動(dòng)重新打開(kāi)。閥門(mén)采用先導(dǎo)式閥瓣，易于打開(kāi)。即使壓力達(dá)到6bar，也很容易打開(kāi)。直徑大于DN125。杠桿手柄用于使閥門(mén)節(jié)省人力和快速，蚌埠防爆緊急切斷閥采購(gòu)。當(dāng)工作人員處理事故并手動(dòng)重啟閥門(mén)時(shí)，將恢復(fù)供氣。注意：也可根據(jù)要求提供帶斷電的常閉緊急切斷閥。防爆電磁閥是把設(shè)備可能點(diǎn)燃性氣體混合物的部件全部封閉在一個(gè)外殼內(nèi)。蚌埠防爆緊急切斷閥采購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蚌埠防爆緊急切斷閥采購(gòu),防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287472812500/8131148.png"></div><p style="text-indent:25px">燃起緊急切斷閥的結(jié)構(gòu)簡(jiǎn)單、反應(yīng)靈敏、動(dòng)作可靠，在事故自鎖以及手動(dòng)復(fù)位的功能等特點(diǎn)已經(jīng)被各行各業(yè)已經(jīng)應(yīng)用了，主要的集中在下面幾點(diǎn)：如果和可燃?xì)怏w泄漏檢測(cè)儀器來(lái)連接，如果儀器檢測(cè)到可燃?xì)怏w的泄露時(shí)，會(huì)自動(dòng)快速的關(guān)閉主供氣體的閥門(mén)，切斷了燃?xì)獾墓┙o，及時(shí)的制止了惡性事故的發(fā)生。如果和熱力設(shè)備的極限溫度安全控制器來(lái)連接的話(huà)，當(dāng)設(shè)備里檢測(cè)點(diǎn)的溫度或者是壓力超過(guò)設(shè)定的極限數(shù)值的時(shí)候，要自動(dòng)快速的關(guān)閉供氣閥門(mén)，就停止了燃料的供給。在工廠(chǎng)的燃?xì)夤?yīng)管網(wǎng)內(nèi)設(shè)置燃?xì)饩o急切斷閥，可以在**控制室內(nèi)的集中控制，遠(yuǎn)距離的遙控，緊急的關(guān)閉事故現(xiàn)場(chǎng)的管線(xiàn)供氣，適合用于煤氣、天然氣以及液化石油氣等可燃?xì)怏w的切斷閥。蚌埠防爆緊急切斷閥采購(gòu)緊急切斷閥是一種安全保護(hù)閥。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蚌埠防爆緊急切斷閥采購(gòu),防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287169179688/4348840.png"></div><p style="text-indent:25px"> 燃?xì)饩o急切斷閥是眾多罐車(chē)部件的一種，早在上世紀(jì)80年代已經(jīng)成為歐洲罐車(chē)上的標(biāo)配。不過(guò)對(duì)于中國(guó)來(lái)說(shuō)，該產(chǎn)品的大批引進(jìn)可追溯到2007年，當(dāng)時(shí)北京為了舉辦奧運(yùn)會(huì)，嚴(yán)格規(guī)定了危險(xiǎn)品運(yùn)輸罐車(chē)必須安裝緊急切斷閥，也就是在此之后常州凱鵬成為國(guó)內(nèi)***批批量生產(chǎn)該產(chǎn)品的企業(yè)。緊急切斷閥是按照我國(guó)空軍采購(gòu)的標(biāo)準(zhǔn)制造和設(shè)計(jì)，在安全性方面表現(xiàn)得十分出色，產(chǎn)品銷(xiāo)售至今沒(méi)出現(xiàn)過(guò)一例由于緊急切斷閥原因而造成的事故。觸緊急切斷閥在多種情況下都可以觸發(fā)其安全功能，保證罐車(chē)的危險(xiǎn)液體不會(huì)泄漏。如今常州凱鵬生產(chǎn)的緊急切斷閥具備了遠(yuǎn)程控制功能，當(dāng)意外狀況發(fā)生時(shí)，遠(yuǎn)程控制可以正常關(guān)閉底閥。當(dāng)罐車(chē)發(fā)生火災(zāi)時(shí)，緊急切斷閥上有易熔元件，一旦溫度達(dá)到75攝氏度時(shí)，易熔元件將會(huì)熔化也能促使閥門(mén)自動(dòng)關(guān)閉。這兩個(gè)緊急關(guān)閉的功能使罐車(chē)在意外撞擊時(shí)，能保證油類(lèi)、腐蝕類(lèi)液體不會(huì)外泄。</p><p style="text-indent:25px">扭矩傳感器通過(guò)直接測(cè)量電機(jī)轉(zhuǎn)速，可高精度檢測(cè)扭矩值，精度可達(dá)公稱(chēng)扭矩的1%。位置傳感器由低功耗**微處理器控制的霍爾效應(yīng)增強(qiáng)型編碼器具有輸出軸旋轉(zhuǎn)10°的分辨率。傳感器監(jiān)視著電動(dòng)執(zhí)行機(jī)構(gòu)的旋轉(zhuǎn)活動(dòng)，即使在失電情況下，也可完全記錄、更新、儲(chǔ)存和就地顯示手動(dòng)操作時(shí)的位置變化。PST 功能，PST部分行程測(cè)試是自動(dòng)在線(xiàn)測(cè)試的一種，閥門(mén)在不影響工廠(chǎng)正常運(yùn)行的條件下局部行程動(dòng)作(例如從多方面全開(kāi)狀態(tài)關(guān)到90%，然后回到多方面全開(kāi))，以此來(lái)證明閥門(mén)的完好性。該閥門(mén)定期自動(dòng)動(dòng)作，首先有可能是PST功能影響，后將PST功能關(guān)閉，故障解除，至于閥門(mén)在自檢過(guò)程中無(wú)法回到多方面開(kāi)位，主要原因是先期調(diào)試時(shí)，行程調(diào)試沒(méi)做好造成。　　防爆燃?xì)饩o急切斷閥普遍應(yīng)用于燃?xì)夤芫W(wǎng)系統(tǒng)，燃?xì)鉄犭姀S(chǎng)車(chē)間，燃?xì)忮仩t房和住宅設(shè)施。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蚌埠防爆緊急切斷閥采購(gòu),防爆緊急切斷閥" src="https://tyunfile.71360.com/UploadFile/shplfb/637368287366943360/2507009.png"></div><p style="text-indent:25px">緊急切斷閥電控的工作原理：本閥氣源入口按裝一只二位三通電磁閥，利用遠(yuǎn)程電器控制臺(tái)控制閥門(mén)開(kāi)關(guān)。燃?xì)庑孤﹫?bào)警器報(bào)警通電,電磁閥通電排氣,閥門(mén)自動(dòng)關(guān)閉.手動(dòng)控制電磁閥(按下紅色卡子)排氣,閥門(mén)自動(dòng)關(guān)閉.閥門(mén)在無(wú)外壓力操作情況下，閥瓣處于常閉狀態(tài)，在貯罐系統(tǒng)上使用時(shí)，緊急切斷閥與油泵或貯氣瓶配套使用，靠手搖油或氨氣的壓力將閥門(mén)打開(kāi)，在油路或者氣的壓力使用下閥門(mén)處于開(kāi)啟狀態(tài)，當(dāng)需要關(guān)閉閥門(mén)或遇到有緊急情況時(shí)，可將油壓或者氨氣壓力泄掉，閥門(mén)即自動(dòng)關(guān)閉。閥瓣關(guān)閉時(shí)，壓力是依靠打開(kāi)泄壓閥或操作手輪或者管路上的易熔塞在溫度升高時(shí)自行熔化來(lái)實(shí)現(xiàn)。閥門(mén)工作介質(zhì)的流動(dòng)方向應(yīng)是高進(jìn)低出，與普通截止閥流向正好下反。閥門(mén)法蘭的連接尺寸按JB/T79.1-94《凸面整體鑄鋼法蘭》或HG20592-97尺寸標(biāo)準(zhǔn)。安全拉斷閥的閥體材質(zhì)常常采用碳鋼或鋁合金。蚌埠防爆緊急切斷閥采購(gòu)</p><p style="text-indent:25px">電磁式燃?xì)饩o急切斷閥廣泛應(yīng)用于供氣管網(wǎng)系統(tǒng)、燃?xì)鉄崮芄S(chǎng)、燃?xì)忮仩t房及住宅居所等場(chǎng)所。蚌埠防爆緊急切斷閥采購(gòu)</p><p style="text-indent:25px">　由于緊急切斷閥是通過(guò)液化氣在管道內(nèi)壓力變化快速關(guān)閉閥門(mén)，因此要求管道壓力波動(dòng)不能過(guò)大。壓力控制器關(guān)閉閥門(mén)設(shè)定的較低壓力為0。58MPa，但隨著季節(jié)改變和庫(kù)存上升，管道壓力在0。6～1。2MPa變化，根據(jù)液化石油氣性質(zhì)，管線(xiàn)泄漏時(shí)，隨著管道壓力高低分布，管道壓力下降產(chǎn)生在不同時(shí)間，造成切斷閥不能及時(shí)關(guān)閉。切斷閥開(kāi)關(guān)狀態(tài)未遠(yuǎn)傳至中控室，無(wú)法監(jiān)控，當(dāng)切斷閥液壓部分出現(xiàn)故障時(shí)，閥門(mén)將會(huì)自動(dòng)關(guān)閉，容易發(fā)生管線(xiàn)超壓事故。改進(jìn)實(shí)施改進(jìn)目的是當(dāng)管道出現(xiàn)故障發(fā)生大量泄漏而壓力變化又不及時(shí)，采取人工遠(yuǎn)程關(guān)閉切斷閥，保證安全。分析認(rèn)為，要關(guān)閉緊急切斷閥，則需連通液壓控制管和液壓控制回油管，使手動(dòng)卸壓閥卸壓，為此在二者之間加裝電磁閥，在閥體連桿安裝閥門(mén)回訊器。由于電磁閥安裝在緊急切斷閥液壓油路，液壓油路主要為手動(dòng)卸壓閥提供動(dòng)力，流量較小且壓力≤0。6MPa，同時(shí)為保留切斷閥原有功能，選擇內(nèi)螺紋防爆型常閉電磁閥(DC24V，流量口徑12mm，壓力0。6MPa)。實(shí)際使用時(shí)，上位機(jī)控制電磁閥打開(kāi)，液壓油經(jīng)回油管進(jìn)入液壓油箱，切斷閥關(guān)閉，切斷管道液化氣。同時(shí)球閥轉(zhuǎn)動(dòng)過(guò)程中帶動(dòng)閥桿上端回訊器凸輪轉(zhuǎn)動(dòng)，向上位機(jī)反饋信號(hào)，上位機(jī)顯示切斷閥開(kāi)關(guān)狀態(tài)。蚌埠防爆緊急切斷閥采購(gòu)</p></p><br /><p>文章來(lái)源地址: 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