河北儀表防爆正壓柜廠商歡迎來電浙江重達(dá)防爆電器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="防爆正壓柜的基本原理是在柜體封閉的情況下向柜內(nèi)通入空氣，使柜內(nèi)壓力大于環(huán)境壓力，進(jìn)而防止危險氣體進(jìn)入柜內(nèi)，使內(nèi)部的普通電氣元件能正常運行，但防爆正壓柜是全密封結(jié)構(gòu)，不易散熱。一、自然冷卻：這種方法是通過防爆正壓柜外壁自然散熱的方式進(jìn)行工作，"><meta name="keywords" content="河北儀表防爆正壓柜廠商,防爆正壓柜"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="proBig"><div id="o2s7ovx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959112509765/3809163.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="r7l9m7c" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959112509765/3809163.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="afheq5u" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河北儀表防爆正壓柜廠商,防爆正壓柜</p><p><span>***更新：</span>2021-01-24 04:14:45</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3cyfxrx" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江重達(dá)防爆電器有限公司</a></p><p><span>聯(lián)系人：</span>曹重</p><p><span>郵箱: </span>xiaohongtao2004@163.com</p><p><span>電話: </span>15067773691</p><p><span>傳真: </span>0577_</p><p><span>網(wǎng)址: </span>http://zjzdfbdq.shop.88360.com</p><p><span>手機(jī): </span>0577-62874066</p><p><span>地址: </span>北白象鎮(zhèn)交通西路</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="aubykja" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ynkcug3" class="box"><p><p style="text-indent:25px">防爆正壓柜的基本原理是在柜體封閉的情況下向柜內(nèi)通入空氣，使柜內(nèi)壓力大于環(huán)境壓力，進(jìn)而防止危險氣體進(jìn)入柜內(nèi)，使內(nèi)部的普通電氣元件能正常運行，但防爆正壓柜是全密封結(jié)構(gòu)，不易散熱。一、自然冷卻：這種方法是通過防爆正壓柜外壁自然散熱的方式進(jìn)行工作，適用于正壓柜內(nèi)發(fā)熱較少，且外部環(huán)境溫度較低時采用，在正壓柜運行時，河北儀表防爆正壓柜廠商，由于發(fā)熱而導(dǎo)致內(nèi)部溫度升高時，防爆正壓柜外壁的溫度也隨之升高，這時防爆正壓柜內(nèi)的熱量通過外壁向環(huán)境自然散出，而為了增加散熱效果，河北儀表防爆正壓柜廠商，有時會在柜壁安裝散熱器。二、循環(huán)冷卻：循環(huán)冷卻一般是在自然冷卻不能滿足要求時采用的冷卻方式，其冷卻效果比自然冷卻效果好，這種方法通過設(shè)置柜內(nèi)外循環(huán)管道，河北儀表防爆正壓柜廠商，使冷卻液在柜內(nèi)管道中被環(huán)境加熱后，流動到柜外管道中在散熱。防爆正壓柜的正壓外殼應(yīng)該具有足夠的機(jī)械強度。河北儀表防爆正壓柜廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北儀表防爆正壓柜廠商,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959112509765/3809163.png"></div><p style="text-indent:25px">防爆正壓柜選型要點一、正壓柜防爆等級：ExpxdmbIICT4，防護(hù)等級：IP65二、何時選用正壓柜：1. 元器件過多，或內(nèi)腔尺寸要求較大。例如防爆等級為B級時承壓板尺寸長或?qū)捲?500以上，或者深度為600以上。如果做隔爆型，體積過大，不符合防爆要求，另外由于隔爆為4mm鐵板焊接，體積過于笨重。防爆等級為C級時，隔爆型的蓋子為圓形，能裝下的承壓板尺寸更小。2. 對散熱有要求。如例如37kw的電機(jī)，運轉(zhuǎn)的時候熱量過大，而隔爆型沒有散熱。正壓型可以加大通風(fēng)、或者安裝屏柜制冷器來降溫。河北儀表防爆正壓柜廠商防爆正壓柜上的保護(hù)氣體的進(jìn)氣和排氣口的位置，根據(jù)保護(hù)性氣體的比重來設(shè)置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北儀表防爆正壓柜廠商,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959152373047/6258306.png"></div><p style="text-indent:25px">防爆正壓柜用正壓吹掃控制系統(tǒng)適用范圍：? ? 1、可燃性粉塵環(huán)境20區(qū)、21區(qū)、22區(qū)? ? 2、性氣體混合物危險場所：0區(qū)、1區(qū)、2區(qū) ? ? 3、性氣體混合物：ⅡA、ⅡB、ⅡC ? 4、溫度組別：T1～T6? ? 5、當(dāng)氣壓高于1000Pa時，自控系統(tǒng)自動開啟排氣閥，自動調(diào)整內(nèi)部氣壓，保證產(chǎn)品不受高氣壓沖擊而變形損壞。 ? 6、當(dāng)氣壓低于50Pa時，自控系統(tǒng)自動報警，需調(diào)整內(nèi)部壓力，補氣成功時，自動恢復(fù)正常，不成功必要時可設(shè)置系統(tǒng)自動斷電。? ? 7、只有柜體氣壓滿足規(guī)定的氣壓要求時，正壓吹掃控制系統(tǒng)會提供信號給柜體送電。 ? 8、防爆正壓柜適用于石油化工、海上鉆井平臺、冶金、醫(yī)藥、輕工、紡織、食品、生物工程、航天航空工程以及***設(shè)施等工廠中，具有ⅡA、ⅡB、ⅡC類T1～T4性氣體或蒸氣環(huán)境；海拔高度不超過2000米；25℃時，相對濕度95％以下；工作環(huán)境溫度-20℃～+40℃之間。</p><p style="text-indent:25px">防爆正壓柜內(nèi)部應(yīng)設(shè)置導(dǎo)流管：為了保證防爆正壓柜內(nèi)部得到充分的吹掃氣流通過防爆正壓柜內(nèi)的每一個角落，防爆正壓柜應(yīng)采用導(dǎo)流管改善保護(hù)氣體的吹掃效果。防爆正壓柜應(yīng)增加火花和熾熱顆粒擋板：當(dāng)防爆正壓柜的排氣口設(shè)置在性氣體環(huán)境中時，在防爆正壓柜的外殼內(nèi)部應(yīng)設(shè)置一些擋板，防止外殼內(nèi)的熾熱顆粒和可能放電火花通過防爆正壓柜的排氣口竄出外殼，外泄到周圍性環(huán)境。防爆正壓柜的防護(hù)要求在防爆正壓柜內(nèi)部為了保證正常工作時的壓力高于外部壓力的正壓，除了必要的進(jìn)氣量以外，防爆正壓柜的密封性要好，防止保護(hù)氣體泄漏，降低防爆正壓柜內(nèi)的壓力。防爆正壓柜對元器件要求少，大功率、大體積等均可以安裝。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北儀表防爆正壓柜廠商,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959164179687/5256724.png"></div><p style="text-indent:25px">選購防爆正壓柜技巧：要檢查微型防爆正壓柜廠家的防爆合格證和生產(chǎn)許可證是否齊全。按照我國的規(guī)定，所有的微型防爆正壓柜出廠前都需要經(jīng)過相關(guān)的檢驗，通過后才給予防爆合格證和生產(chǎn)許可證，所以只有合格的防爆正壓柜才有專業(yè)的證書，大家在購買的時候都可以跟商家所取這兩個合格證書。大家可以在生產(chǎn)許可證咨詢服務(wù)網(wǎng)以及一些國家認(rèn)可的防爆檢驗機(jī)構(gòu)去檢查那兩個證書的真?zhèn)吻闆r。如果商家拿不出對應(yīng)的證書，那么這個防爆正壓柜肯定是不可以購買的，沒有保障的產(chǎn)品大家不要貪圖低廉的價格就去購買。防爆正壓柜正壓吹掃控制系統(tǒng)保護(hù)裝置齊全，只有達(dá)到規(guī)定的換氣時間后，方能自動送電。河北儀表防爆正壓柜廠商</p><p style="text-indent:25px">防爆正壓柜斷路器外設(shè)操作手柄，操作靈活，防爆性能可靠；河北儀表防爆正壓柜廠商</p><p style="text-indent:25px">防爆正壓柜用正壓吹掃控制系統(tǒng)的功能及防爆正壓柜柜體的結(jié)構(gòu)特點： 1.它的防爆原理主要是采用介質(zhì)隔離點燃源的防爆措施以及形成正壓保護(hù)從而達(dá)到電器防爆的目的; 2.結(jié)構(gòu)上采用上可按用戶要求分別定制成箱式、琴臺式和柜式結(jié)構(gòu)，柜式又分為上下結(jié)構(gòu)和左右結(jié)構(gòu)。箱式一般采用鋼板焊接而成，表面噴塑，前開門操作;琴臺式和柜式其柜架采用標(biāo)準(zhǔn)型材焊接，表面噴塑，對其各接合面都經(jīng)過了特殊的密封處理;前開門操作后開門維修。鋼板材料一般選用GB710-88冷軋鋼板. 3.按進(jìn)氣方式分為持續(xù)吹掃型和泄露補償型。持續(xù)吹掃型為不間斷連續(xù)供氣，正壓腔內(nèi)裝元件的工作熱量可隨氣路帶走，具有很好的散熱功能;泄露補償型為間斷性供氣，正壓腔有良好的密封性，耗氣量小;河北儀表防爆正壓柜廠商</p><p style="text-indent:25px">浙江重達(dá)防爆電器有限公司是一家防爆電器及配件，防爆風(fēng)機(jī)，防爆管件，防爆配電箱，防爆配電柜氣動元件，高低壓電器及配件，礦用設(shè)備及配件，儀器儀表，照明燈具，防腐電器制造，加工，銷售。用于石油采煉、儲存、化工、醫(yī)藥、紡織、印染、**、電力等性危險場所；的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。重達(dá)防爆擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊，以高度的專注和執(zhí)著為客戶提供防爆配電箱，防爆接線箱，防爆管件，防爆燈具。重達(dá)防爆不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。重達(dá)防爆始終關(guān)注自身，在風(fēng)云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使重達(dá)防爆在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2983989.html</p></div></div></div></div></div><div id="3sur8n8" class="page-right twoColRt"><div id="azb3sut" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="c8cghja" 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)" 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