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class="tabs"><a href="JavaScript:;" data-type="product" class="active">產品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="ocaiocq" class="clearfix searchWrap"><div id="2o24siy" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="wk2gcs2" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產品供應</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="u4ywai2" class="twoCol"><div id="oqwe4qw" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/second-_aqfh/">安全、防護</a>?<a href="http://www.cdcfah.com/cp/third-aqfh_fbqc/">防爆器材</a>?江西儀表防爆正壓柜配電箱歡迎咨詢浙江重達防爆電器供應</p><div id="owm4s2a" class="leftbox clearfix"><h1>江西儀表防爆正壓柜配電箱歡迎咨詢浙江重達防爆電器供應</h1><div id="kyw424i" class="proBig"><div id="wc4eca2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959164179687/5256724.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2ci2ymk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959164179687/5256724.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iwmsyua" 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>產品關鍵詞：</span>江西儀表防爆正壓柜配電箱,防爆正壓柜</p><p><span>***更新：</span>2021-01-29 12:28:22</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="2usqoc2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">浙江重達防爆電器有限公司</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>網址: </span>http://zjzdfbdq.shop.88360.com</p><p><span>手機: </span>0577-62874066</p><p><span>地址: </span>北白象鎮(zhèn)交通西路</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="wkaiymi" class="page-proshow02"><p class="title">詳細說明</p><div id="say2mcs" class="box"><p><p style="text-indent:25px">在防爆正壓柜內，除元器件的合理布置和正確安裝外，它們之間正確的電氣連接依然是保證防爆安全性能的重要環(huán)節(jié)之一。這里簡單地討論一下防爆正壓柜內導線的選擇、布置和連接的基本原則。導線的選擇和布置原則：　　①正壓防爆柜內各元器件之間的連接應該使用銅芯絕緣導線，可以是電線，也可以是.(儀用)電纜。導線的絕緣應該滿足設備的額定電壓要求，載流量和發(fā)熱溫度應該符合標準規(guī)定的要求，例如本質安全型電氣設備就有這樣的要求。　　②防爆正壓柜內導線布線應該避開高溫部件和活動部件，江西儀表防爆正壓柜配電箱，江西儀表防爆正壓柜配電箱。　?、鄯辣龎汗駜葘Ь€應該在理順后捆扎成柬并固定牢固，但是本質安全導線不得與其他的捆扎在同一束內。所謂“理順”是指一束導線束中各導線不應該交叉或纏繞，江西儀表防爆正壓柜配電箱。　　④一般的非屏蔽高頻導線不得與其他的平行布置。　　⑤內部電線不得有中間接頭。防爆正壓柜當采用焊接連接時，焊接必須防止“虛焊”；江西儀表防爆正壓柜配電箱</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西儀表防爆正壓柜配電箱,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959164179687/5256724.png"></div><p> 按其適用于性氣體混合物**大試驗安全間隙或**小點燃電流比，分為ⅡA，ⅡB，ⅡC三類；并按其**高表面溫度分為T1-T6六組。，見表1。，按其**大試驗安全間隙（MESG）或**小點燃電流比（MICR）分級，見表2。表1組別引燃溫度t(℃)T1450**大試驗安全間隙（mesg）（mm）=""**小點燃電流比=""Ⅱa=""≥"">ⅡB**小點燃電流與甲烷性混合物的**小點燃電流之比。中國規(guī)定氣體、蒸氣危險物質按**小點燃電流比分為Ⅱa級，Ⅱb級和Ⅱc級。**小點燃電流比≤，="">ⅡA級；≤，>ⅡB級；≤ⅡC級。例如，乙烷、乙烯、乙炔分別為ⅡA級，ⅡB級，ⅡC級危險物質。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構特點它的防爆原理主要是采用介質隔離點燃源的防爆措施以及形成正壓保護從而達到電器防爆的目的；結構上采用上可按用戶要求分別定制成箱式、琴臺式和柜式結構，柜式又分為上下結構和左右結構。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準型材焊接，表面噴塑，對其各接合面都經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.按進氣方式分為持續(xù)吹掃型和泄露補償型。浙江防塵防爆正壓柜廠商防爆正壓柜適用于石油石化、化工、釀酒、醫(yī)藥、油漆、紡織、印染、**設施等性危險環(huán)境;</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西儀表防爆正壓柜配電箱,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959142636719/4340717.png"></div><p style="text-indent:25px">防爆正壓柜的吹掃試驗的合格判據(jù)：　　(1)當保護性氣體為空氣時　　在正壓外殼吹掃或稀釋之后，在各個采樣點上試驗氣體的濃度不應該超過：　?、賹τ趯ｉT用于單一特定氣體的試驗，這種特定可燃性氣體的極限下限的25％(體積比)。　?、趯τ趯ｉT用于某一些特定氣體的試驗，極限下限極低的那種可燃性氣體的極限下限的25％(體積比)。　　③對于用于所有可燃性氣體的試驗，用氦氣試驗時，1％(體積比)；用氬氣或二氧化碳氣試驗時，0.25％(體積比)。　　(2)當保護性氣體為惰性氣體時　　在正壓外殼吹掃或稀釋之后，在各個采樣點上氧氣的濃度不應該超過2％(體積比，對于靜態(tài)正壓型正壓外殼，1％)。</p><p> 收藏查看我的收藏0有用+1已投票0防爆正壓柜編輯鎖定隨著煤油化工、金屬冶煉、化學制藥等行業(yè)的飛速發(fā)展，防爆正壓柜在體系控制中的利用越來越普遍。在性氣體傷害場合里怎樣準確利用正壓防爆控制器。由于電氣設置裝備部署在事情時不行制止地產生電火花或形成酷熱的外貌，它們一旦與現(xiàn)場的性氣體混淆物相遇，就會導致變亂的產生，直接危及用戶財產和生命寧靜。中文名防爆正壓柜溫度組別T1～T6防腐等級WF1防爆標志ExpzIICT6目錄1產品介紹2其他3技術參數(shù)防爆正壓柜產品介紹編輯1.當氣壓高于1000Pa時，泄壓閥自動開啟排氣閥，自動調整內部氣壓，保證產品不受高氣壓沖擊而變形損壞。2.當氣壓低于50Pa時，自控系統(tǒng)自動發(fā)出報警以及輸出報警信號，需調整內部壓力，補氣成功時，自動恢復正常，否則必要時可設置系統(tǒng)自動斷電（國標規(guī)定1區(qū)低壓報警需切斷柜體電源，2區(qū)低壓報警可以不切斷電源）。3.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)會對柜體進行有效換氣（1區(qū)需置換7倍柜體自由空間，2區(qū)需置換5倍柜體自由空間），當有效換氣完成后提供信號給柜體送電。正壓控制器4.正壓柜柜體內的工作氣壓為50Pa≤P≤1000Pa。防爆正壓柜具有ⅡA、ⅡB、ⅡC類T1～T4性氣體或蒸氣環(huán)境；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西儀表防爆正壓柜配電箱,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959073427734/9208324.png"></div><p style="text-indent:25px">防爆正壓柜操作步驟：操作過程中要觀察有否異常變化，如有請立即斷電，找出故障。當需要退出系統(tǒng)運行時，請先關掉所有運行的負載，再斷開用戶配電系統(tǒng)的電源。斷開自控系統(tǒng)的電源。關掉進氣手動閥。為防止柜內有剩余壓力，過5分鐘后可打開柜門，進行電氣檢查。操作人員必須嚴格按以上順序步驟進行操作，嚴禁違反操作順序或簡化操作步驟。前兩項步驟任何一步滿足不了要求時，嚴禁進入下一步操作，必須排除故障后從開始步操作開始。現(xiàn)場操作人員必須經常察看運行情況是否正常，必須注意保護盤面各操作元件及顯示元件，不得因操作失誤，損壞操作元件而造成整機泄漏。防爆正壓柜海拔高度不超過2000米；福建防腐防爆正壓柜廠家報價</p><p style="text-indent:25px">防爆正壓柜對元器件要求少，大功率、大體積等均可以安裝。江西儀表防爆正壓柜配電箱</p><p style="text-indent:25px">防爆正壓柜適用范圍： 1．1區(qū)、2區(qū)危險場所。 2．IIA、IIB、IIC類，溫度組別為T1-T4的性氣體環(huán)境。 3．適用于可燃性粉塵場所。 4．戶內、戶外均可。 BXM(D)51防爆動力配電箱防爆正壓柜產品特性：本產品為復合型防爆，開關腔為隔爆型，行線腔及出線腔為增安型。采用模塊式結構，各種回路可以自由選擇組合；外殼采用極優(yōu)鋁合金鑄造而成，經高速拋丸后表面高壓靜電噴塑處理，防腐能力強；內裝高的分斷小型斷路器或塑殼斷路器和電源指示燈及接線端子；斷路器外設操作手柄，操作靈活，防爆性能可靠；鋼管或電纜布線均可；戶外使用可加裝防雨罩或防護柜。江西儀表防爆正壓柜配電箱</p><p style="text-indent:25px">浙江重達防爆電器有限公司位于北白象鎮(zhèn)交通西路。公司業(yè)務涵蓋防爆配電箱，防爆接線箱，防爆管件，防爆燈具等，價格合理，品質有保證。公司從事電工電氣多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產品及服務。重達防爆憑借創(chuàng)新的產品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3066778.html</p></div></div></div></div></div><div id="ouqouiy" class="page-right twoColRt"><div id="iig22es" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="oecsgmc" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="2o2a2cs" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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