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class="home-main container clearfix"><div id="7jm2qbs" class="twoCol"><div id="vi8ri4r" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_gydqew/">高壓電器</a>?<a href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?內(nèi)江伴熱電纜批發(fā) 鑄造輝煌成都皖川科技供應(yīng)</p><div id="qcga2wp" class="leftbox clearfix"><h1>內(nèi)江伴熱電纜批發(fā) 鑄造輝煌成都皖川科技供應(yīng)</h1><div id="havwqjn" class="proBig"><div id="ygch3zt" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748173828/2217575.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7csyth3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748173828/2217575.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8dp7sxc" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>內(nèi)江伴熱電纜批發(fā),伴熱電纜</p><p><span>***更新：</span>2021-01-23 08:04:17</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="v3ul8cs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138室</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="aalmwlm" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="pcr38et" class="box"><p><p style="text-indent:25px">屋頂融雪系統(tǒng)，也稱天溝融雪伴熱系統(tǒng)，一般使用伴熱電纜對(duì)屋頂天溝進(jìn)行融雪化冰，防止天溝積雪、結(jié)冰對(duì)房屋結(jié)構(gòu)造成影響。對(duì)于天溝融雪伴熱帶的選擇，首先伴熱電纜一般分為恒功率和自限溫兩大類，內(nèi)江伴熱電纜批發(fā)，恒功率發(fā)熱電纜，內(nèi)江伴熱電纜批發(fā)，內(nèi)江伴熱電纜批發(fā)，功率恒定伴熱溫度不變，自限溫發(fā)熱電纜其PTC特性能夠自動(dòng)限制加熱時(shí)的溫度，并隨被加熱體的溫度自動(dòng)調(diào)節(jié)輸出功率而無(wú)任何附加設(shè)備；可以任意裁短或在一定長(zhǎng)度范圍內(nèi)接長(zhǎng)使用，并允許多次交叉重疊而無(wú)高溫過(guò)熱點(diǎn)及燒毀之慮。內(nèi)江伴熱電纜批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)江伴熱電纜批發(fā),伴熱電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748173828/2217575.jpg"></div><p style="text-indent:25px">氟塑料屏蔽電纜控制電纜和儀表電纜屏蔽,主要是防衛(wèi)外界電場(chǎng)干擾，控制電纜本身工作電壓和電流屬于強(qiáng)電性質(zhì),對(duì)外界干擾的反應(yīng)遲鈍另外很多控制電纜則轉(zhuǎn)向傳輸弱電信號(hào)。當(dāng)外界有強(qiáng)電干擾時(shí),傳輸?shù)娜蹼娦盘?hào)可能嚴(yán)重畸變,使控制系統(tǒng)失控,甚至破壞連接的儀器或儀表,偶然情況下電纜本身的絕緣也會(huì)擊穿控制電纜耐受過(guò)電壓的能力不僅是決定地網(wǎng)電位升高允許值的決定因素之一，而且是確定電纜屏蔽層的接地方式、接地點(diǎn)以及敷設(shè)路徑以及進(jìn)行絕緣配合的重要依據(jù)。內(nèi)江伴熱電纜批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)江伴熱電纜批發(fā),伴熱電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869744228515/9876088.jpg"></div><p style="text-indent:25px">在石化、礦山、煤氣工程等含有易爆危險(xiǎn)的場(chǎng)所,通常對(duì)電纜提出了“防爆”的要求。由于電火花和熱效應(yīng)是引發(fā)易爆氣體的主要根源,而從系統(tǒng)布線角度考慮,由于電纜是由許多分布電容、電感等分布元件所組成,使其相應(yīng)地成為儲(chǔ)能元件,因此在信號(hào)傳輸過(guò)程中不可避免地存儲(chǔ)一定的能量。一旦系統(tǒng)出現(xiàn)故障,這些儲(chǔ)能就會(huì)以電火花或熱效應(yīng)的形式釋放出來(lái),影響系統(tǒng)的安全性。因此,要求電纜具有低電容和低電感,電纜本身所帶的電荷要少,不易產(chǎn)生電火花;其次,要求電纜具有良好的屏蔽性能,具有優(yōu)良的抗外電磁場(chǎng)干擾及不產(chǎn)生對(duì)外的干擾。</p><p style="text-indent:25px">在由氣體分離緩沖罐和天然氣分離器組成的油氣分離區(qū)，地面輸油管道、油氣分離緩沖罐污水管道、天然氣分離器和液位計(jì)相對(duì)集中，控制溫度也較嚴(yán)格?？刹捎煤愎β孰姲闊崞?，其中液位計(jì)采用單相恒功率電伴熱器，其余三種均采用恒功率電伴熱器。相恒功率電伴熱帶可由一套防爆配電箱和溫度控制器控制，但配電箱、接線箱和溫度控制器必須滿足防爆要求。供水罐和供水管道一般遠(yuǎn)離防爆區(qū)，伴熱器不太集中，溫度控制要求不高。只要水溫保持在一定范圍內(nèi)，就可以達(dá)到設(shè)計(jì)要求。因此，如果采用自動(dòng)溫度和電伴熱系統(tǒng)，可以省去配電箱和溫度控制器等電伴熱附件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="內(nèi)江伴熱電纜批發(fā),伴熱電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748447265/8927306.jpg"></div><p style="text-indent:25px">發(fā)熱電纜通電后便會(huì)發(fā)熱，其溫度在40℃ — 60℃，通過(guò)接觸傳導(dǎo)，加熱包圍在其周的水泥層，再傳向地板或磁磚，然后通過(guò)對(duì)流方式加熱空氣，傳導(dǎo)熱量占發(fā)熱電纜發(fā)熱量的50％。發(fā)熱電纜通電后便會(huì)產(chǎn)生人體**為適宜的7—10微米的遠(yuǎn)紅外線，向人體和空間輻射。這部分熱量也占發(fā)熱量的50％，發(fā)熱電纜發(fā)熱效率近乎100％。發(fā)熱電纜內(nèi)芯由冷線熱線組成，外面由絕緣層、接地、屏蔽層和外護(hù)套組成，發(fā)熱電纜通電后，熱線發(fā)熱，并在40～60℃的低溫運(yùn)行，埋設(shè)在填充層內(nèi)的發(fā)熱電纜，將熱能通過(guò)熱傳導(dǎo)(對(duì)流)的方式和發(fā)出的8 - 13μm的遠(yuǎn)紅外線輻射方式傳給受熱體。內(nèi)江伴熱電纜批發(fā)</p><p style="text-indent:25px">內(nèi)江伴熱電纜批發(fā)</p><p style="text-indent:25px">在很多人看來(lái)自限溫發(fā)熱電纜無(wú)疑是很好的選擇，其自動(dòng)調(diào)節(jié)的特性也更符合節(jié)能環(huán)保的需求，但是在實(shí)際應(yīng)用中，天溝融雪系統(tǒng)是在特點(diǎn)條件下開啟的，并不需要長(zhǎng)時(shí)間使用，加上天溝融雪伴熱系統(tǒng)，需要面對(duì)長(zhǎng)時(shí)間的熱曬雨淋，如果選擇自限溫發(fā)熱電纜，其PTC材料會(huì)因?yàn)檫@些因素造成伴熱效果的不理想，影響伴熱帶的使用壽命，同時(shí)也影響天溝融雪伴熱的效果。而恒功率電伴熱帶，由發(fā)熱絲發(fā)熱，對(duì)外界因素的抗性更好。選擇恒功率伴熱帶不論對(duì)天溝伴熱系統(tǒng)的壽命和效果而言無(wú)疑更加合適。而且恒功率發(fā)熱電纜，可以安裝溫控器，對(duì)伴熱溫度進(jìn)行控制，讓融雪效果更加理想。也彌補(bǔ)了恒功率伴熱帶不能自我調(diào)節(jié)溫控的問(wèn)題。內(nèi)江伴熱電纜批發(fā)</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，是一家貿(mào)易型公司。成都皖川科技致力于為客戶提供良好的耐磨熱電偶，氣體檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。成都皖川科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: 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