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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nszrcjl" 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>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>寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好,通風(fēng)柜</p><p><span>***更新：</span>2020-09-06 13:36:18</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="nm7xzr8" 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(shí)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(huà): </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(mài)面橋村</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="pjg2his" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rldklxz" class="box"><p><p style="text-indent:25px">補(bǔ)風(fēng)型排風(fēng)柜：補(bǔ)風(fēng)型排風(fēng)柜在過(guò)去一度受到青睞，寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好，主要基于兩方面的考慮：首先是安全性，因?yàn)樗盟惋L(fēng)沖刷呼吸區(qū)并帶走污染物；其次是節(jié)能性，因?yàn)檠a(bǔ)風(fēng)(較高可達(dá)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(shí)驗(yàn)及研究表明，補(bǔ)風(fēng)型排風(fēng)柜在這兩個(gè)方面都無(wú)法達(dá)到人們預(yù)期效果。首先，補(bǔ)風(fēng)型排風(fēng)柜引入了大量補(bǔ)風(fēng)基本上很少和室內(nèi)空氣混合而直接被吸走，寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好，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(guò)少量的送風(fēng)進(jìn)行稀釋?zhuān)@本身減少了安全性，而且柜前補(bǔ)風(fēng)會(huì)嚴(yán)重影響柜面處的氣流，擾動(dòng)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(guò)柜面的風(fēng)量減少導(dǎo)致風(fēng)速下降，寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好，后果更為嚴(yán)重，一般不建議采用。其次，開(kāi)始的節(jié)能是考慮不對(duì)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(bǔ)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(bǔ)風(fēng)型排風(fēng)柜都會(huì)在操作者頭部、肩部引起吹風(fēng)感，使人感到不適，而且補(bǔ)風(fēng)在冷表面上還會(huì)出現(xiàn)結(jié)冷凝水的情況。補(bǔ)風(fēng)型排風(fēng)柜：補(bǔ)風(fēng)型排風(fēng)柜在過(guò)去一度受到青睞。寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523710615234/9241464.png"></div><p style="text-indent:25px">低溫通風(fēng)柜:當(dāng)有害物物的溫度比周?chē)諝鉁囟鹊蜁r(shí)，稱(chēng)為低溫通風(fēng)柜。冷過(guò)程通風(fēng)柜采用上部排風(fēng)時(shí)氣流的運(yùn)動(dòng)情況。工作孔上部的吸入速度為平均流速的150%，而下部*為平均流速的60%，有害氣體會(huì)從下部逸出。為了改善這種狀況，柜內(nèi)應(yīng)加擋板，并把排風(fēng)口設(shè)在通風(fēng)柜的下部。高溫通風(fēng)柜：應(yīng)用于產(chǎn)熱量較大的工藝過(guò)程的通風(fēng)柜，稱(chēng)為高溫通風(fēng)柜。熱過(guò)程通風(fēng)柜內(nèi)的熱氣流要向上浮升，如果像冷過(guò)程一樣，在下部吸氣，有害氣體就會(huì)從上部逸出。因此，熱過(guò)程的通風(fēng)柜必須在上部排風(fēng)。對(duì)于發(fā)熱量不穩(wěn)定的過(guò)程，可在上下均設(shè)排風(fēng)口。隨柜內(nèi)發(fā)熱量的變化，可以調(diào)節(jié)上下排風(fēng)量的比例，使工作孔的速度分布比較均勻。寧波北侖質(zhì)量好的檢測(cè)室通風(fēng)柜通風(fēng)柜的安全性能是需要保障的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334524238505859/5819108.png"></div><p style="text-indent:25px">怎樣讓通風(fēng)柜更加的節(jié)能，有哪些比較好的方法：1.采取節(jié)能措施。應(yīng)用通風(fēng)柜的時(shí)候，必須要確保整個(gè)房間空氣的平衡和壓力上的平衡，只有當(dāng)我們能夠通過(guò)正確的方法保障總體上的這些平衡之后，這樣才能夠在使用的時(shí)候起到更好的作用。有正確的方法，采用更加節(jié)能的措施，今后在應(yīng)用的過(guò)程中才能夠有更加節(jié)能的效果，因此大家一定要提前認(rèn)識(shí)。2.購(gòu)買(mǎi)節(jié)能的設(shè)備。市面上有各種不同的節(jié)能類(lèi)型的通風(fēng)柜，大家在選擇的時(shí)候一定要注意其中的情況，認(rèn)真的去看一看具體的系統(tǒng)的設(shè)計(jì)，同時(shí)也要不斷的去做好更多的探索，真正的去購(gòu)買(mǎi)那些節(jié)能的設(shè)備之后，我們?cè)趹?yīng)用的過(guò)程中才能夠做到節(jié)能環(huán)保，這樣對(duì)于大家來(lái)說(shuō)都會(huì)非常的關(guān)鍵。</p><p style="text-indent:25px">如果通風(fēng)柜放在空調(diào)、凈化或采暖房間內(nèi)時(shí)，為了減少室內(nèi)空氣的排風(fēng)量，可以在柜門(mén)上方設(shè)風(fēng)幕，風(fēng)幕送出的空氣可取自室外或鄰室，風(fēng)量約為排風(fēng)量的70%~75%。這種通風(fēng)柜稱(chēng)為供氣式通風(fēng)柜。其既可防止室內(nèi)橫向氣流的干擾，又可節(jié)省室內(nèi)的排風(fēng)量，大幅度減少室內(nèi)熱量和冷量的耗損。通風(fēng)柜局部排風(fēng)的應(yīng)用：局部排風(fēng)是直接從污染物源處排除污染物的一種局部通風(fēng)方式。當(dāng)污染物集中于某處發(fā)生時(shí)，局部排風(fēng)是比較有效的治理污染物對(duì)環(huán)境危害的通風(fēng)方式。如果這種場(chǎng)合采用完全通風(fēng)方式，反而使污染物在室內(nèi)擴(kuò)散；當(dāng)污染物發(fā)生量大時(shí)，所需的稀釋通風(fēng)量則過(guò)大，甚至在實(shí)際上難于實(shí)現(xiàn)。污染物定點(diǎn)發(fā)生的情況在工業(yè)廠房中很多，如電鍍槽、散料皮帶傳送的落料點(diǎn)或運(yùn)轉(zhuǎn)點(diǎn)、焊接工作臺(tái)、化學(xué)分析臺(tái)、噴漆、砂輪機(jī)等。民用建筑中也有一些定點(diǎn)產(chǎn)生污染物的情況，如廚房中的爐灶、餐廳中的火鍋、學(xué)校中的化學(xué)試驗(yàn)臺(tái)等。由此可見(jiàn)，局部排風(fēng)的應(yīng)用很普遍。通風(fēng)柜玻璃視窗采用鋼化玻璃，即使玻璃意外撞壞或，不會(huì)出現(xiàn)傷人意外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好,通風(fēng)柜" src="https://tyunfile.71360.com/UploadFile/rongke/637334523971923828/9573976.png"></div><p style="text-indent:25px">排風(fēng)柜數(shù)量非常多，因此選擇合適的實(shí)驗(yàn)室設(shè)計(jì)方案尤為重要。作為進(jìn)行化學(xué)測(cè)試和實(shí)驗(yàn)的場(chǎng)所，實(shí)驗(yàn)室因其在保護(hù)實(shí)驗(yàn)人員健康安全以及保證實(shí)驗(yàn)順利進(jìn)行方面所起的重要作用而廣受關(guān)注，其中排風(fēng)柜又是實(shí)現(xiàn)這些功能的關(guān)鍵設(shè)備。設(shè)計(jì)實(shí)驗(yàn)室通風(fēng)空調(diào)系統(tǒng)的首要原則是建筑內(nèi)人員的安全，而在維持一個(gè)安全舒適的室內(nèi)環(huán)境的同時(shí)，如何減少能耗對(duì)于排風(fēng)柜密集程度較大的實(shí)驗(yàn)是一個(gè)很大的課題。?過(guò)去三十年內(nèi)，在排風(fēng)柜設(shè)備選型、系統(tǒng)設(shè)計(jì)及控制方面有過(guò)普遍的討論，技術(shù)也日趨成熟，主要體現(xiàn)在變風(fēng)量通風(fēng)空調(diào)系統(tǒng)(VAV)與排風(fēng)柜的有效結(jié)合以及相應(yīng)控制技術(shù)的提高。?相對(duì)于其它領(lǐng)域，實(shí)驗(yàn)室運(yùn)用VAV技術(shù)起步相對(duì)較晚，究其原因主要是因?yàn)樵趯?duì)排風(fēng)柜采用變風(fēng)量系統(tǒng)的同時(shí)，對(duì)房間壓力和溫度進(jìn)行有效控制顯得相當(dāng)困難。通風(fēng)柜分為上部排風(fēng)式、下部排風(fēng)式和上下同時(shí)排風(fēng)式三類(lèi)。寧波北侖質(zhì)量好的檢測(cè)室通風(fēng)柜</p><p style="text-indent:25px">通風(fēng)柜材料主要是由多種全鋼、鋼木、全木等等特殊材料制成。寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好</p><p style="text-indent:25px">通風(fēng)柜控制系統(tǒng)會(huì)有風(fēng)速監(jiān)測(cè)功能，這個(gè)系統(tǒng)可以根據(jù)視窗的高度，計(jì)算出開(kāi)口面積的平均面風(fēng)速，當(dāng)排風(fēng)管道的壓力產(chǎn)生變化，或者視窗的高度發(fā)生變化時(shí)，系統(tǒng)會(huì)迅速做出反應(yīng)，調(diào)整風(fēng)閥的開(kāi)道關(guān)程度，以保持視窗開(kāi)口處的風(fēng)速穩(wěn)定。通風(fēng)柜還會(huì)設(shè)置紅外檢測(cè)器，通過(guò)檢測(cè)人員的走動(dòng)，來(lái)調(diào)整風(fēng)速的大小，當(dāng)操作人員位于通風(fēng)柜前時(shí)，面風(fēng)速會(huì)加快到某一設(shè)定值，而當(dāng)通風(fēng)柜無(wú)人操作時(shí)，系統(tǒng)會(huì)自動(dòng)降低風(fēng)速，以節(jié)省能源的消耗。內(nèi)當(dāng)通風(fēng)柜門(mén)關(guān)閉后，風(fēng)量閥會(huì)自動(dòng)調(diào)整風(fēng)速，讓風(fēng)速保持為300CME，以達(dá)到節(jié)能的目的。通風(fēng)柜的容控制系統(tǒng)不*會(huì)調(diào)節(jié)風(fēng)速，還有報(bào)警功能，當(dāng)通風(fēng)柜產(chǎn)生故障，造成風(fēng)速過(guò)低或者過(guò)高時(shí)，報(bào)警燈會(huì)響起。當(dāng)遇到異常情況時(shí)，通風(fēng)柜會(huì)開(kāi)啟緊急排放模式，系統(tǒng)會(huì)自動(dòng)打開(kāi)全部風(fēng)閥，使通風(fēng)柜達(dá)到并保持較大排風(fēng)量。寧波余姚實(shí)驗(yàn) 通風(fēng)柜哪個(gè)廠家質(zhì)量好</p><p style="text-indent:25px">寧波榮科科技實(shí)業(yè)有限公司致力于建筑、建材，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。榮科科技作為業(yè)務(wù)范圍覆蓋實(shí)驗(yàn)建設(shè)的全周期，涵蓋實(shí)驗(yàn)室整體規(guī)劃設(shè)計(jì)，實(shí)驗(yàn)室家具，實(shí)驗(yàn)室凈化工程，實(shí)驗(yàn)室廢氣處理等多個(gè)專(zhuān)業(yè)領(lǐng)域。主營(yíng)產(chǎn)品包含實(shí)驗(yàn)邊臺(tái)、中央臺(tái)、天平臺(tái)、通風(fēng)柜、藥品柜、器皿柜、氣瓶柜及實(shí)驗(yàn)室配套系列，如水槽**、滴水架、洗眼器、原子吸收罩、貨架等。的企業(yè)之一，為客戶(hù)提供良好的實(shí)驗(yàn)室氣路工程，實(shí)驗(yàn)室通風(fēng)工程，實(shí)驗(yàn)室家具、裝修，實(shí)驗(yàn)臺(tái)、通風(fēng)柜、實(shí)驗(yàn)柜。榮科科技不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶(hù)創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。榮科科技創(chuàng)始人許公飛，始終關(guān)注客戶(hù)，創(chuàng)新科技，竭誠(chéng)為客戶(hù)提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1181343.html</p></div></div></div></div></div><div id="jyvnykr" class="page-right twoColRt"><div id="lp732yf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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