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class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_swfw/">商務(wù)服務(wù)</a>?<a href="http://www.cdcfah.com/cp/third-swfw_jiancefuwu/">檢測服務(wù)</a>?四川燃燒性能檢測咨詢電話 **** 上海華慧檢測技術(shù)供應(yīng)</p><div id="3c3ta2u" class="leftbox clearfix"><h1>四川燃燒性能檢測咨詢電話 **** 上海華慧檢測技術(shù)供應(yīng)</h1><div id="zelskhe" class="proBig"><div id="bg22kkc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376075507812/9573497.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z3cubsu" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376075507812/9573497.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tphe2eb" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川燃燒性能檢測咨詢電話,燃燒性能檢測</p><p><span>***更新：</span>2021-01-11 07:16:17</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="v2a8r7q" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海華慧檢測技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>晏閩南</p><p><span>郵箱: </span>yann7873@163.com</p><p><span>電話: </span>19512260464</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.cfpo.com.cn</p><p><span>手機(jī): </span>021-69910835</p><p><span>地址: </span>匯善路685號2幢4層401-410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="dkb83n7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sg3fbda" class="box"><p><p style="text-indent:25px">物質(zhì)具有的或材料經(jīng)處理后具有的明顯推遲火焰蔓延的性質(zhì)。這在材料使用范圍選擇上起指導(dǎo)作用，特別用于建材、船舶，車輛，家電上的材料要求阻燃性高。目前評價阻燃性方法很多，如氧指數(shù)測定法、水平或垂直燃燒試驗法等。B1級是阻燃級別的較高級，在可燃性試驗當(dāng)中，邊緣點(diǎn)火開始后的20 秒內(nèi)，火焰尖頭均未達(dá)到試件150mm刻度線；表面點(diǎn)火開始后的20S內(nèi)，火焰尖頭均未到達(dá)試件150mm刻度線。經(jīng)檢測，四川燃燒性能檢測咨詢電話，實木材料的阻燃級別為B2級，也就是說，多米復(fù)合材料在阻燃性能上遠(yuǎn)高于實木材質(zhì)。氧指數(shù)高，四川燃燒性能檢測咨詢電話，四川燃燒性能檢測咨詢電話,說明材料燃燒需氧量大,難燃燒，氧指數(shù)小，說明材料易燃燒。燃燒性能檢測整個操作非常的環(huán)保。四川燃燒性能檢測咨詢電話</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃燒性能檢測咨詢電話,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376075507812/9573497.png"></div><p style="text-indent:25px">裝飾裝修材料的燃燒性能分類：A為不燃材料；B1為難燃材料；B2為可燃材料；B3為易燃材料。這是按氧指數(shù)來劃分的。當(dāng)頂棚或墻面表面局部采用多孔或泡沫狀塑料時，其厚度不應(yīng)大于15mm，且面積不得超過該房間頂棚或墻面積的10％。圖書室、室、檔案室和存放文物的房間，其頂棚、墻面應(yīng)采用裝修材料，地面應(yīng)采用不低于B1級的裝修材料。要驗收送檢必須裝修材料檢測報告驗收部沒消防部門受理驗收申請，建設(shè)單位申請消防驗收應(yīng)提供列材料：建設(shè)工程消防驗收申報表；工程竣工驗收報告；消防產(chǎn)品質(zhì)量合。四川燃燒性能檢測咨詢電話燃燒性能檢測是非常的規(guī)范化的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃燒性能檢測咨詢電話,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376027568359/3836137.png"></div><p style="text-indent:25px">在測試材料極限氧指數(shù)時，試樣百垂直固定在向上流動的氧、氮混合氣體的透明燃燒筒里，點(diǎn)燃試樣頂端，觀察試樣的燃燒特性，把試樣連續(xù)燃燒時間或試樣燃燒長度與給定的極限值相比較，通過在不同氧濃度下的一系列試驗測度得維持燃燒時以氧氣百分含量表示的較低氧濃度值。那么在得到較低氧濃度值前，在其他氧濃度下材料的燃燒特性，稱為在該氧指數(shù)下的燃燒特性。然而，在實際使用中，大多數(shù)情況下，我們說的氧指數(shù)就是極限氧指數(shù)。用氧指數(shù)來評價材料的燃燒性能，氧道指數(shù)高表示材料不易燃燒，氧指數(shù)低表示材料容易燃燒，一般認(rèn)為氧指數(shù)＜22屬于易燃材料，氧指數(shù)在22---27之間屬可燃材料，氧指數(shù)＞27屬難燃材料。</p><p style="text-indent:25px">燃燒火焰具有各種特性，如發(fā)熱程度、電離狀態(tài)、火焰不同部位的輻射、光譜及火焰的脈動或閃爍現(xiàn)象、差壓、音響等，均可用來檢測火焰的“有”或“無”。以煤、油作為燃料的鍋爐在燃燒過程中會輻射紅外線(IR)、可見光和紫外線(UV)。所有的燃料燃燒都輻射一定量的紫外線和大量的紅外線，且光譜范圍涉及紅外線、可見光及紫外線。因此，整個光譜范圍都可以用來檢測火焰的“有”或“無”。由于不同種類的燃料，其燃燒火焰輻射的光線強(qiáng)度不同，相應(yīng)采用的火焰檢測元件也會不一樣。一般說來，煤粉火焰中除了含有不發(fā)光的CO2 和水蒸氣等三原子氣體外，還有部分灼熱發(fā)光的焦炭粒子和炭粒，它們輻射較強(qiáng)的紅外線、可見光和一些紫外線，而紫外線往往容易被燃燒產(chǎn)物和灰粒吸收而很快被減弱，因此煤粉燃燒火焰宜采用可見光或紅外線火焰檢測器。燃燒性能檢測操作中有過熱保護(hù)程序。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川燃燒性能檢測咨詢電話,燃燒性能檢測" src="https://tyunfile.71360.com/UploadFile/shhhjc/637342376045947265/281170.png"></div><p style="text-indent:25px">外墻保溫防火等級要求：高度大于等于100m的建筑，其保溫材料的燃燒性能應(yīng)為A級。高度大于等于60m小于100m的建筑，其保溫材料的燃燒性能不應(yīng)低于B2級。當(dāng)采用B2級保溫材料時，每層應(yīng)設(shè)置水平防火隔離帶。高度大于等于24m小于60m的建筑，其保溫材料的燃燒性能不應(yīng)低于B2級。當(dāng)采用B2級保溫材料時，每兩層應(yīng)設(shè)置水平防火隔離帶。高度小于24m的建筑，其保溫材料的燃燒性能不應(yīng)低于B2級。其中，當(dāng)采用B2級保溫材料時，每三層應(yīng)設(shè)置水平防火隔離帶。其他民用建筑應(yīng)符合：高度大于等于50m的建筑，其保溫材料的燃燒性能應(yīng)為A級。高度大于等于24m小于50m的建筑，其保溫材料的燃燒性能。燃燒性能檢測設(shè)備的性能高，卻能耗低。四川燃燒性能檢測咨詢電話</p><p style="text-indent:25px">建筑材料的燃燒性能檢測時分等級的。四川燃燒性能檢測咨詢電話</p><p style="text-indent:25px">在用于暖爐和點(diǎn)火用的油火焰中，除了有一部分CO2 和水蒸氣外，還有大量的發(fā)光碳黑粒子，它也能輻射較強(qiáng)的可見光、紅外線和紫外線，因此可采用對這三種火焰較敏感的檢測元件進(jìn)行測量。而可燃?xì)怏w作為主燃料燃燒時，在火焰初始燃燒區(qū)輻射較強(qiáng)的紫外線，此時可采用紫外線火焰檢測器進(jìn)行檢測。除輻射穩(wěn)態(tài)電磁波外，所有的火焰均呈脈動變化。因此，單燃燒器工業(yè)鍋爐的火焰監(jiān)視可以利用火焰脈動變化特性，采用帶低通濾波器(10—20Hz)的紅外固體檢測器(通常采用硫化鉛)。但電站鍋爐多燃燒器爐膛火焰的閃爍規(guī)律與單燃燒器工業(yè)鍋爐不大一樣，特別是在燃燒器的喉口部分，閃爍頻率的范圍要寬得多。四川燃燒性能檢測咨詢電話</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2798581.html</p></div></div></div></div></div><div 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