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成都皖川科技供應(yīng)</h1><div id="qakr3if" class="proBig"><div id="jyqnc7z" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748447265/8927306.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ak8lnpw" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748447265/8927306.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="scuw2s3" 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>廣元伴熱電纜供應(yīng),伴熱電纜</p><p><span>***更新：</span>2020-07-15 12:27:10</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="jn32zzl" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="fe2ahjl" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ey97htq" class="box"><p><p style="text-indent:25px">屏蔽電纜,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?chē)?yán)重畸變,使控制系統(tǒng)失控,甚至破壞連接的儀器或儀表，廣元伴熱電纜供應(yīng)，廣元伴熱電纜供應(yīng),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)，廣元伴熱電纜供應(yīng)。對(duì)控制電纜耐受工頻過(guò)電壓、直流過(guò)電壓及雷電沖擊過(guò)電壓的特性進(jìn)行試驗(yàn)研究。廣元伴熱電纜供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元伴熱電纜供應(yīng),伴熱電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748447265/8927306.jpg"></div><p style="text-indent:25px">屋頂融雪系統(tǒng)，也稱(chēng)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(lèi)，恒功率發(fā)熱電纜，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。廣元伴熱電纜供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元伴熱電纜供應(yīng),伴熱電纜" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044869748173828/2217575.jpg"></div><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。可采用恒功率電伴熱器，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(xiàn)箱和溫度控制器必須滿(mǎn)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><p style="text-indent:25px">發(fā)熱電纜地面輻射供暖系統(tǒng)的組成：系統(tǒng)由發(fā)熱電纜、溫度感應(yīng)器（溫度探頭）和溫度控制器三部分組成，為安裝方便，廠家通常把發(fā)熱電纜事先就裝配在玻璃纖維網(wǎng)上，俗稱(chēng)“網(wǎng)墊式發(fā)熱電纜”或稱(chēng)“加熱席墊”。就發(fā)熱電纜來(lái)說(shuō)**常用的有單導(dǎo)和雙導(dǎo)兩種。其中單導(dǎo)電纜的結(jié)構(gòu)是電纜由“冷線(xiàn)”進(jìn)入，串接“熱線(xiàn)”，再接“冷線(xiàn)”引出。既單導(dǎo)發(fā)熱電纜的特征是“有頭有尾”，頭尾均是欲接入溫控器的“冷線(xiàn)”。雙導(dǎo)發(fā)熱電纜則是由“冷線(xiàn)”進(jìn)入，串接“熱線(xiàn)”至末端，然后再接冷線(xiàn)由“冷線(xiàn)”在電纜內(nèi)返回，其特征是冷線(xiàn)不分頭尾切均在一端。溫控器則是實(shí)現(xiàn)供暖恒溫化、智能控制化的利器。目前在本公司配套的溫控器主要有價(jià)格低廉的旋紐式溫控器和可以實(shí)現(xiàn)高低溫控制、保護(hù)并且可以進(jìn)行歷時(shí)7天、每天分四個(gè)時(shí)段溫控編程，液晶顯示的智能溫控器。此種溫控器通過(guò)連接在工作區(qū)的溫度探頭，還可以實(shí)現(xiàn)對(duì)工作溫度過(guò)熱的監(jiān)控保護(hù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣元伴熱電纜供應(yīng),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(xiàn)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。廣元伴熱電纜供應(yīng)</p><p style="text-indent:25px">廣元伴熱電纜供應(yīng)</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(kāi)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。廣元伴熱電纜供應(yīng)</p><p style="text-indent:25px">成都皖川科技有限公司創(chuàng)立于2011-12-30，是一家貿(mào)易型公司。成都皖川科技致力于為客戶(hù)提供質(zhì)量的[ "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(hù)需求為中心,深受廣大客戶(hù)的歡迎。公司將不斷增強(qiáng)企業(yè)核心競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)先進(jìn)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年?duì)I業(yè)額度達(dá)到50-100萬(wàn)元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/601996.html</p></div></div></div></div></div><div id="dsc38fz" class="page-right twoColRt"><div id="xrqpl3u" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8e7ipmy" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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