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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>寧波耐腐蝕通風(fēng)柜改造工程,通風(fēng)柜</p><p><span>***更新：</span>2021-01-20 08:11:53</p><p><span id="click" >瀏覽次數(shù)：16次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="z3gxyug" 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: </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="anjuqwn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bfbx7ri" class="box"><p><p style="text-indent:25px">通風(fēng)柜的垂直與水平拉門之正確位置：1、除必要外，應(yīng)隨時將垂直拉門置于低之位置，除可保護操作人員并能降低調(diào)節(jié)門把手阻擋操作人員之視。通風(fēng)柜之調(diào)節(jié)門*可在“調(diào)試狀態(tài)”時方可置于全開位置。2、將調(diào)節(jié)門降至操作人員呼吸區(qū)以下，寧波耐腐蝕通風(fēng)柜改造工程，其作用在于建立一個人員與柜內(nèi)污染物間之隔離屏障，以保護操作人員。3、當(dāng)空氣進入水平調(diào)節(jié)門開口時，沿著調(diào)節(jié)門的垂直邊緣的區(qū)域會產(chǎn)生渦流，渦流會向柜內(nèi)后方延伸并且會將污染物質(zhì)帶回到調(diào)節(jié)門。所以無論污染于柜內(nèi)何處產(chǎn)生，都會在調(diào)節(jié)門附近聚積。4、調(diào)節(jié)門雖可在柜內(nèi)發(fā)生飛濺或等意外事件時，對操作人員提供保護，但是必須切記調(diào)節(jié)門內(nèi)側(cè)污染物濃度值為高。一般而言，必須避免在調(diào)節(jié)門前做快速的移動。5，寧波耐腐蝕通風(fēng)柜改造工程、避免快速地從柜內(nèi)取出物品或裝備。6，寧波耐腐蝕通風(fēng)柜改造工程、在不使用通風(fēng)柜時應(yīng)隨時保持調(diào)節(jié)門于關(guān)閉位置。通風(fēng)柜的功能中主要的是排氣功能。寧波耐腐蝕通風(fēng)柜改造工程</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波耐腐蝕通風(fēng)柜改造工程,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523605644531/2184984.png"></div><p style="text-indent:25px">通風(fēng)柜安全性能體現(xiàn)： 1、采用獨縫式排風(fēng)結(jié)構(gòu)、有效地排出有害氣體。 2、流線形手把，手把與玻璃之間留有空隙由于空氣在臺面上的流動是旋轉(zhuǎn)的，從而保證有效地的進氣。 3、設(shè)置視窗防落銷，萬一鋼絲繩脫落玻璃視窗意外落下，有了防落銷就會接住，防止碰傷人員。 4、玻璃視窗采用鋼化玻璃，即使玻璃意外撞壞或，不會出現(xiàn)傷人意外。 5、通風(fēng)柜上部設(shè)置通風(fēng)孔，即使玻璃視窗關(guān)閉也能進入空氣，避免產(chǎn)生大負(fù)壓。 6、通風(fēng)柜殼體選用金屬材料，防火不燃。內(nèi)腔選用抗倍特板，不銹鋼板等阻燃或不燃材料，臺面選用實芯理化板或不銹鋼板防酸堿、耐熱、阻燃。寧波耐腐蝕通風(fēng)柜改造工程通風(fēng)柜作為一個必要的實驗室家具,其效果是不言而喻的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波耐腐蝕通風(fēng)柜改造工程,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523573759765/8099577.png"></div><p style="text-indent:25px">氣幕式通風(fēng)柜雖然增加了送風(fēng)動力消耗,但氣幕式通風(fēng)柜的排風(fēng)量有效減少,排風(fēng)動力消耗也有效降低,因此綜合而言,氣幕式通風(fēng)柜的節(jié)能效益是很大的,有些問題還有待進一步研究。氣幕式通風(fēng)柜通過射流將通風(fēng)柜操作口完全封閉,射流在流動的過程中要不斷地卷吸室內(nèi)的空氣,但這部分卷吸量很少,對采暖空調(diào)房間的壓力影響不太明顯。而補風(fēng)型排風(fēng)柜排風(fēng)量比較大,當(dāng)柜門開啟時,其30%的排風(fēng)量要由室內(nèi)空氣補充,這對采暖空調(diào)房間而言,可能會造成壓力較明顯的變化。因此,采用氣幕式通風(fēng)柜的室內(nèi)壓力比補風(fēng)型通風(fēng)柜的室內(nèi)壓力更易于平衡。另外通風(fēng)柜的節(jié)能效果還與有害物的溫度、通風(fēng)柜的結(jié)構(gòu)、系統(tǒng)設(shè)計安裝是否合理等因素密切相關(guān),只要廣大暖通專業(yè)技術(shù)工作者根據(jù)具體情況,勇于探索,一定會節(jié)省更多的能量。</p><p style="text-indent:25px">補風(fēng)型排風(fēng)柜：補風(fēng)型排風(fēng)柜在過去一度受到青睞，主要基于兩方面的考慮：首先是安全性，因為它用送風(fēng)沖刷呼吸區(qū)并帶走污染物；其次是節(jié)能性，因為補風(fēng)(較高可達70％)不必處理即可送至柜前，從而省去了大量空調(diào)能耗。但實驗及研究表明，補風(fēng)型排風(fēng)柜在這兩個方面都無法達到人們預(yù)期效果。首先，補風(fēng)型排風(fēng)柜引入了大量補風(fēng)基本上很少和室內(nèi)空氣混合而直接被吸走，這就使得房間內(nèi)其它空間區(qū)域可能存在的污染物只能通過少量的送風(fēng)進行稀釋，這本身減少了安全性，而且柜前補風(fēng)會嚴(yán)重影響柜面處的氣流，擾動加劇，很可能導(dǎo)致有害物溢出。而由于采用柜內(nèi)排風(fēng)，通過柜面的風(fēng)量減少導(dǎo)致風(fēng)速下降，后果更為嚴(yán)重，一般不建議采用。其次，開始的節(jié)能是考慮不對新風(fēng)處理這一前提而提出的。但指出為了確保溫度的一致性和操作者的舒適性，補風(fēng)溫度和房間溫度差值應(yīng)小于3℃，這一要求使其節(jié)能性不復(fù)存在。另外，一般的補風(fēng)型排風(fēng)柜都會在操作者頭部、肩部引起吹風(fēng)感，使人感到不適，而且補風(fēng)在冷表面上還會出現(xiàn)結(jié)冷凝水的情況。在對通風(fēng)柜開展安裝項目時候，為保障安裝品質(zhì)，務(wù)必要找專業(yè)人員來服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波耐腐蝕通風(fēng)柜改造工程,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523807294921/9870974.png"></div><p style="text-indent:25px">通風(fēng)柜玻璃視窗符合人體工程學(xué)，便于操作，使用空間大，提高安全性。水咀、氣咀在柜外設(shè)遠(yuǎn)距離操作手把，比直接用手操作方便安全。通風(fēng)柜在使用時也要注意安全:1、在實驗開始以前，要確認(rèn)通風(fēng)柜應(yīng)該處于運行狀態(tài)，才能進行實驗操作。2、通風(fēng)柜實驗結(jié)束前至少還要繼續(xù)運行5分鐘以上才可關(guān)閉通風(fēng)機，以排出管道內(nèi)的殘留氣體。也可考慮安裝排風(fēng)時間延時器，確保通風(fēng)機延遲運行。3、實驗時，在距玻璃視窗150mm內(nèi)不要放任何設(shè)備，大型實驗設(shè)備要有充足的空間，不應(yīng)影響空氣的流動，前面視窗盡量要關(guān)閉使用。并非所有實驗室都需要**技術(shù)的通風(fēng)柜。寧波耐腐蝕通風(fēng)柜改造工程</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)閉也能進入空氣，避免產(chǎn)生大負(fù)壓。寧波耐腐蝕通風(fēng)柜改造工程</p><p style="text-indent:25px">通風(fēng)柜有隔離的功能：在通風(fēng)柜前面應(yīng)具用不滑動的玻璃視窗將通風(fēng)柜內(nèi)外進行分隔。通風(fēng)柜有補充功能：應(yīng)具有在排出有害氣體時，從通風(fēng)柜外吸入空氣的通道或替代裝置。通風(fēng)柜有控制風(fēng)速功能：為防止通風(fēng)柜內(nèi)有害氣體逸出，需要有一定的吸入速度。決定通風(fēng)柜進風(fēng)的吸入速度的要素有：實驗內(nèi)容產(chǎn)生的熱量及與換氣次數(shù)的關(guān)系。其中主要的是實驗內(nèi)容和有害物的性質(zhì)。通常規(guī)定，一般無毒的污染物為0.25―0.38m/s ，有毒或有危險的有害物為0.4―0.5 m/s ，劇毒或有少量放射性為0.5―0.6m/s ,氣狀物為0.5m/s ,粒狀物為1m/s 。寧波耐腐蝕通風(fēng)柜改造工程</p></p><br 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