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class="proBig"><div id="t2tqneq" 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="o8ols3z" 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="tnp23h8" 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>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>福建防塵防爆正壓柜廠(chǎng)家,防爆正壓柜</p><p><span>***更新：</span>2021-01-29 11:26:16</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kogizg3" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="uy285hb" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mgikw23" class="box"><p><p style="text-indent:25px">防爆正壓柜二氧化碳?xì)怏w保護(hù)焊是以二氧化碳(Co2)作為保護(hù)氣體的一種電弧焊，簡(jiǎn)稱(chēng)二氧化碳焊。這種焊接方法和熔化極氬弧焊具有類(lèi)似的特征，只是二氯化璇在電弧作用下會(huì)分解成一氧化碳(Co)和氧氣(o2)，會(huì)損壞鋼中的碳、錳、硅及其他合金元素。因而，在焊接時(shí)使用的焊絲應(yīng)該采用錳、硅或其他相應(yīng)合金元素含量高的焊絲。　　這種焊接方法，福建防塵防爆正壓柜廠(chǎng)家，成本低、生產(chǎn)效率高、操作性好、焊接質(zhì)量較好，主要用于厚度在30mm以下的正壓防爆柜的焊接，福建防塵防爆正壓柜廠(chǎng)家。但是，在焊接時(shí)，弧光強(qiáng)烈，熔清飛濺嚴(yán)重，焊接煙霧大，焊縫不光滑，有時(shí)可能會(huì)出現(xiàn)氣孔，福建防塵防爆正壓柜廠(chǎng)家。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。福建防塵防爆正壓柜廠(chǎng)家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防塵防爆正壓柜廠(chǎng)家,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959164179687/5256724.png"></div><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(xué)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(lái)越普遍。在性氣體傷害場(chǎng)合里怎樣準(zhǔn)確利用正壓防爆控制器。由于電氣設(shè)置裝備部署在事情時(shí)不行制止地產(chǎn)生電火花或形成酷熱的外貌，它們一旦與現(xiàn)場(chǎng)的性氣體混淆物相遇，就會(huì)導(dǎo)致變亂的產(chǎn)生，直接危及用戶(hù)財(cái)產(chǎn)和生命寧?kù)o。中文名防爆正壓柜溫度組別T1～T6防腐等級(jí)WF1防爆標(biāo)志ExpzIICT6目錄1產(chǎn)品介紹2其他3技術(shù)參數(shù)防爆正壓柜產(chǎn)品介紹編輯1.當(dāng)氣壓高于1000Pa時(shí)，泄壓閥自動(dòng)開(kāi)啟排氣閥，自動(dòng)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。2.當(dāng)氣壓低于50Pa時(shí)，自控系統(tǒng)自動(dòng)發(fā)出報(bào)警以及輸出報(bào)警信號(hào)，需調(diào)整內(nèi)部壓力，補(bǔ)氣成功時(shí)，自動(dòng)恢復(fù)正常，否則必要時(shí)可設(shè)置系統(tǒng)自動(dòng)斷電（國(guó)標(biāo)規(guī)定1區(qū)低壓報(bào)警需切斷柜體電源，2區(qū)低壓報(bào)警可以不切斷電源）。3.只有柜體氣壓滿(mǎn)足規(guī)定的氣壓要求時(shí)，正壓吹掃控制系統(tǒng)會(huì)對(duì)柜體進(jìn)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(dāng)有效換氣完成后提供信號(hào)給柜體送電。正壓控制器4.正壓柜柜體內(nèi)的工作氣壓為50Pa≤P≤1000Pa。江西儀表防爆正壓柜配電箱防爆正壓柜可多臺(tái)并柜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防塵防爆正壓柜廠(chǎng)家,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959122763672/5286394.png"></div><p style="text-indent:25px">防爆正壓柜的吹掃試驗(yàn)的合格判據(jù)：　　(1)當(dāng)保護(hù)性氣體為空氣時(shí) 　　在正壓外殼吹掃或稀釋之后，在各個(gè)采樣點(diǎn)上試驗(yàn)氣體的濃度不應(yīng)該超過(guò)：　?、賹?duì)于專(zhuān)門(mén)用于單一特定氣體的試驗(yàn)，這種特定可燃性氣體的極限下限的25％(體積比)。　?、趯?duì)于專(zhuān)門(mén)用于某一些特定氣體的試驗(yàn)，極限下限極低的那種可燃性氣體的極限下限的25％(體積比)。　?、蹖?duì)于用于所有可燃性氣體的試驗(yàn)，用氦氣試驗(yàn)時(shí)，1％(體積比)；用氬氣或二氧化碳?xì)庠囼?yàn)時(shí)，0.25％(體積比)。　　(2)當(dāng)保護(hù)性氣體為惰性氣體時(shí) 　　在正壓外殼吹掃或稀釋之后，在各個(gè)采樣點(diǎn)上氧氣的濃度不應(yīng)該超過(guò)2％(體積比，對(duì)于靜態(tài)正壓型正壓外殼，1％)。</p><p style="text-indent:25px">防爆正壓柜本質(zhì)安全電路的導(dǎo)線(xiàn)連接：　?、俦举|(zhì)安全電路的導(dǎo)線(xiàn)連接，除保證導(dǎo)線(xiàn)連接可靠外，通常采用雙線(xiàn)制。當(dāng)采用雙線(xiàn)制連接時(shí)，連接點(diǎn)也必須是雙接點(diǎn)。　　這是一種可靠連接方式。根據(jù)印制電路板的設(shè)計(jì)情況，用導(dǎo)線(xiàn)連接時(shí)，假若導(dǎo)線(xiàn)線(xiàn)徑不小于0.5mm時(shí)，允許單線(xiàn)連接；用印制導(dǎo)線(xiàn)連接時(shí)，假若印制導(dǎo)線(xiàn)寬度不小于2mm時(shí)，允許單線(xiàn)連接。這也被認(rèn)為是可靠連接。 ②在印制電路板上設(shè)置接地線(xiàn)時(shí)，接地線(xiàn)(印制線(xiàn))應(yīng)該盡可能得寬一些，并且布置在印制電路板的周邊，而且與“大地”的連接必須牢固可靠。防爆正壓柜采用電纜溝座安裝形式，用戶(hù)需配備保護(hù)氣體氣源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建防塵防爆正壓柜廠(chǎng)家,防爆正壓柜" src="https://tyunfile.71360.com/WaterMark/UploadFile/zjzdfbdq/637376959073427734/9208324.png"></div><p style="text-indent:25px">防爆正壓柜外殼采用極優(yōu)鋼板焊接或不銹鋼焊接成型，表面經(jīng)高速拋丸后粉末靜電噴塑，外形美觀(guān);防爆正壓柜有柜體和正壓吹掃控制系統(tǒng)裝置兩部分組成，防爆正壓柜氣源由正壓吹掃控制裝置進(jìn)入柜體吹掃并達(dá)到安全起亞要求，當(dāng)?shù)蛪簣?bào)警時(shí)，正壓吹掃控制裝置會(huì)輸出信號(hào)報(bào)警，必要時(shí)會(huì)切斷正壓柜電源。正壓柜在正壓控制系統(tǒng)的控制下，通入保護(hù)氣體，正壓腔內(nèi)壓力高于正壓腔外的壓力，形成微正壓的安全小環(huán)境，從而阻止了可燃性危險(xiǎn)氣體進(jìn)入正壓腔內(nèi)，保證內(nèi)裝普通儀表和電器元件的安全運(yùn)行。自動(dòng)控制系統(tǒng)主要完成換氣、補(bǔ)氣，超高壓自動(dòng)泄壓、低壓報(bào)警和低壓聯(lián)鎖斷電等功能。防爆正壓柜有柜體和正壓吹掃控制系統(tǒng)裝置兩部分組成。福建防塵防爆正壓柜廠(chǎng)家</p><p style="text-indent:25px">防爆正壓柜形成正壓保護(hù)從而達(dá)到電器防爆的目的;福建防塵防爆正壓柜廠(chǎng)家</p><p style="text-indent:25px">防爆正壓柜用正壓吹掃控制系統(tǒng)適用范圍組別含義防爆電器設(shè)備分為二類(lèi): Ⅰ類(lèi)煤礦井下用電氣設(shè)備 Ⅱ類(lèi)除礦井以外的場(chǎng)合使用的電氣設(shè)備 Ⅱ類(lèi)電氣設(shè)備，按其適用于性氣體混合物極大試驗(yàn)安全間隙或極小點(diǎn)燃電流比，分為ⅡA，ⅡB，ⅡC三類(lèi);并按其極高表面溫度分為T(mén)1-T6六組。性氣體混合物按引燃溫度分組，見(jiàn)表1。性氣體混合物，按其極大試驗(yàn)安全間隙(MESG)或極小點(diǎn)燃電流比(MICR)分級(jí)，見(jiàn)表2。表1 組別引燃溫度t(℃) T1 450<t T2 300<t≤450 T3 200<t≤300 T4 135<t≤200 T5 100<t≤135 T6 85<t≤100 表2 類(lèi)別極大試驗(yàn)安全間隙(MESG)(mm) 極小點(diǎn)燃電流比 ⅡA ≥0.9 >0.8 ⅡB 0.5<MESG<0.9 0.45≤MICR≤0.8 ⅡC ≤0.5 <0.45福建防塵防爆正壓柜廠(chǎng)家</p><p style="text-indent:25px">浙江重達(dá)防爆電器有限公司總部位于北白象鎮(zhèn)交通西路，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(dòng)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(xiāo)售。用于石油采煉、儲(chǔ)存、化工、醫(yī)藥、紡織、印染、軍工、電力等性危險(xiǎn)場(chǎng)所；的公司。重達(dá)防爆深耕行業(yè)多年，始終以客戶(hù)的需求為向?qū)?，為客?hù)提供高品質(zhì)的防爆配電箱，防爆接線(xiàn)箱，防爆管件，防爆燈具。重達(dá)防爆不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。重達(dá)防爆始終關(guān)注電工電氣行業(yè)。滿(mǎn)足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3066439.html</p></div></div></div></div></div><div id="vz7myqc" class="page-right twoColRt"><div id="gq3fhyq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="f8sjlxz" class="recomPic likePro"><a 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