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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bfcjvcj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/rongke/637334523874814453/7529798.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zdv7keq" 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(chǎn)品關(guān)鍵詞：</span>寧波實驗室通風(fēng)柜報價,通風(fēng)柜</p><p><span>***更新：</span>2020-11-20 06:17:09</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="hwyvxz3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波榮科科技實業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>程彩云</p><p><span>郵箱: </span>2529945077@qq.com</p><p><span>電話: </span>13028978763</p><p><span>傳真: </span>1302_</p><p><span>網(wǎng)址: </span>http://www.rk-lab.cn</p><p><span>手機(jī): </span>1302-28978763</p><p><span>地址: </span>集士港鎮(zhèn)賣面橋村</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="3bnp33u" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rbtkhtv" class="box"><p><p style="text-indent:25px">通風(fēng)柜的分類及原理。變風(fēng)量式通風(fēng)柜：普通的定風(fēng)量系統(tǒng)需要人工調(diào)整固定葉片的風(fēng)閥，調(diào)節(jié)通風(fēng)柜的排風(fēng)量，當(dāng)調(diào)節(jié)閥門到某一角度時達(dá)到希望的面風(fēng)速?？煞譃檎w式下部開放式、落地式、兩面式，寧波實驗室通風(fēng)柜報價、三面玻璃式、桌上式，寧波實驗室通風(fēng)柜報價、連體式以及根據(jù)不同實驗使用需要而設(shè)計的對放射性實驗的、對合成實驗的，寧波實驗室通風(fēng)柜報價，對過氯酸實驗的**通風(fēng)柜?？煞譃橥馀判屯L(fēng)柜和無管道通風(fēng)柜。外排型通風(fēng)柜是可以將實驗操作時產(chǎn)生的有毒有害氣體，通過外接的管道直接抽出到室外。通風(fēng)柜下柜采用實驗邊臺樣式，上面有臺面，下面是柜體。寧波實驗室通風(fēng)柜報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室通風(fēng)柜報價,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523874814453/7529798.png"></div><p style="text-indent:25px">定風(fēng)量排風(fēng)柜：對于定風(fēng)量(CAV)型的排風(fēng)柜，其排風(fēng)量近似恒定，即排風(fēng)量不隨排風(fēng)柜拉門位置，柜前有、無人員操作改變。其缺點在于操作門拉下以后，速度在面積較小的情形下會達(dá)到很大，這種難以控制的高速氣流會造成氣流短路，貼附底面直接抽走，污染物在某個角落發(fā)生積聚，一方面沒有有效地對柜內(nèi)污染物稀釋，另一方面，直接造成能量浪費。改進(jìn)后的旁通型排風(fēng)柜通過設(shè)置旁通百葉，盡管理論上可以保持一定的風(fēng)量和風(fēng)速，但是實際上這種只是相對意義上的恒定。由于實驗室采用的全新風(fēng)，所以新風(fēng)處理能耗相當(dāng)大，而在確保安全、舒適的工作環(huán)境的前提下，盡可能減少排風(fēng)量毫無疑問是節(jié)能的較佳途徑。因此變風(fēng)量排風(fēng)柜應(yīng)運而生。寧波實驗室通風(fēng)柜報價半密閉式通風(fēng)柜指由于操作上需要，經(jīng)常無法將污染物設(shè)備完全或部分地封閉，必須開有較大的工作孔的通風(fēng)柜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室通風(fēng)柜報價,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523605644531/2184984.png"></div><p style="text-indent:25px">多數(shù)通風(fēng)柜在：(1)排氣量過小 (2)前方玻璃門開啟過大的時候會發(fā)出警報，提醒操作者注意。內(nèi)部的排風(fēng)扇速度和燈都有開關(guān)可調(diào)。使用的時候人站或坐于柜前，將玻璃門盡量放低，手通過門下伸進(jìn)柜內(nèi)進(jìn)行實驗。由于排風(fēng)扇通過開啟的門向內(nèi)抽氣，在正常情況下有害氣體不會大量溢出。通風(fēng)柜的表面風(fēng)速是否達(dá)到國際標(biāo)準(zhǔn)規(guī)定的安全風(fēng)速要求:0.5m/s(國際標(biāo)準(zhǔn)規(guī)定:只有表面風(fēng)速達(dá)到了0.5m/s才可以有效的捕捉柜內(nèi)的有害氣體)。通風(fēng)柜的開口高度是否適滿足您對操作空間的需求。通風(fēng)柜臺面部分:臺面是否采用了安全的碟狀設(shè)計，從而方便用戶清潔臺面和防止毒性液體的外漏。臺面的材質(zhì)是否符合您實驗的需求抵抗相應(yīng)的侵蝕和高溫。是否安裝了杯槽或是水槽，且安裝的位置是否合理。出風(fēng)口的設(shè)計是否合理。</p><p style="text-indent:25px">通風(fēng)柜的材料由多種的，全鋼、鋼木、全木、鋁木、塑鋼、PVC結(jié)構(gòu)等，其臺面是直接與操作者接觸的地方，由實芯理化板，不銹鋼板，PVC，陶瓷等材料組成。舊式通風(fēng)柜多用木材制成，但現(xiàn)代多為涂有環(huán)氧樹脂的鋼材制造。常見柜寬為1000、1200、1500、1800和2000毫米幾個規(guī)格，深700-900毫米，高1900-2400毫米。可供1-3個人同時使用。通風(fēng)柜一般靠墻安裝。通風(fēng)柜是實驗室設(shè)計中不可缺少的一個組成部分。為了使實驗室工作人員不吸入或咽入一些有毒的、可致病的或毒性不明的化學(xué)物質(zhì)和有機(jī)體、實驗室中應(yīng)有良好的通風(fēng)。為阻止一些蒸氣、氣體和微粒(煙霧、煤煙、灰塵和氣懸體)的吸收，污染物質(zhì)須用通風(fēng)柜、通風(fēng)罩或局部通風(fēng)的方法除去。通風(fēng)柜的結(jié)構(gòu)是上下式，其頂部有排氣孔，可安裝風(fēng)機(jī)。通風(fēng)柜排氣設(shè)備應(yīng)該用狹縫式排氣裝置，以讓排放有毒氣體不會影響研究人員。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波實驗室通風(fēng)柜報價,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523589941406/4561604.png"></div><p style="text-indent:25px">降低通風(fēng)柜附近區(qū)域人員流量:當(dāng)有人走過通風(fēng)柜前方時會產(chǎn)生大量的橫越氣流，因此當(dāng)柜內(nèi)正在產(chǎn)生具危險性之物質(zhì)時，應(yīng)通知其它在實驗室人員，并限制人員經(jīng)過通風(fēng)柜前方或改道。當(dāng)通風(fēng)柜處理過具高毒性、高殘留性或放射性的物質(zhì)后，應(yīng)立刻對通風(fēng)柜內(nèi)部加以清潔及去除污染。被污染之通風(fēng)柜應(yīng)掛上一明顯的警示牌，并告知維修人員那些管路系統(tǒng)可能會被污染，以免傷及維修人員。實驗室通風(fēng)柜不應(yīng)該做為替代化學(xué)品儲存柜而于柜內(nèi)儲放化學(xué)物品，通風(fēng)柜會因為柜內(nèi)儲放過多的物品以及有效工作空間縮減而造成性能降低。通風(fēng)柜分為上部排風(fēng)式、下部排風(fēng)式和上下同時排風(fēng)式三類。寧波北侖全鋼落地通風(fēng)柜</p><p style="text-indent:25px">通風(fēng)柜上部設(shè)置通風(fēng)孔，即使玻璃視窗關(guān)閉也能進(jìn)入空氣，避免產(chǎn)生大負(fù)壓。寧波實驗室通風(fēng)柜報價</p><p style="text-indent:25px">不同的通風(fēng)柜型號將以不同的面風(fēng)速運行。由于并非所有實驗室都需要較好的通風(fēng)柜，因此許多制造商提供了可供選擇的范圍。應(yīng)根據(jù)幾個變量選擇特定的面風(fēng)速。面風(fēng)速通常由實驗室的安全員決定，而不是通風(fēng)柜制造商。安全員可能會說，在60英尺每分鐘使用通風(fēng)柜和18英寸的窗扇工作高度，或由于實驗室條件惡劣或使用熱板，可能會增加面風(fēng)速。通風(fēng)柜在實驗室中對能量造成了難以置信的壓力。他們把昂貴的、溫度受控的空氣排到外面，就像全年開著窗戶，強(qiáng)力吹出空氣一樣。因此，如果可以使用較低的面速度，那么它應(yīng)該會被使用。較低的面速度意味著較低的體積流量，這意味著節(jié)約能源。寧波實驗室通風(fēng)柜報價</p><p style="text-indent:25px">寧波榮科科技實業(yè)有限公司致力于建筑、建材，是一家服務(wù)型的公司。榮科科技致力于為客戶提供良好的實驗室氣路工程，實驗室通風(fēng)工程，實驗室家具、裝修，實驗臺、通風(fēng)柜、實驗柜，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事建筑、建材多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。榮科科技秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2067426.html</p></div></div></div></div></div><div id="pyvx8lx" class="page-right twoColRt"><div id="apry3jl" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="kzlnzgi" class="recomPic likePro"><a 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