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　　全視窗無管凈氣型通風柜在日常中的維護小技巧分享<div>　　全視窗無管凈氣型通風柜一般靠墻安裝。前方中間為可上下移動的透明門（多為玻璃），開啟高度一般為100-550毫米。門后為實驗進行的工作面，有水管、下水道、電源、真空泵、氣路管線等實驗需要的連接，上有帶保護罩的燈照明。空氣由柜內(nèi)前上方的排風扇抽走后，或經(jīng)管道引到別處（稱為全通風），或經(jīng)過濾重新循環(huán)使用（成為無管通風）。</div><div>　　多數(shù)通風柜在排氣量過小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，手通過門下伸進柜內(nèi)進行實驗。由于排風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。</div><div>　　全視窗無管凈氣型通風柜在使用前應先了解下面這些要點：</div><div>　?。?）在實驗過程中，產(chǎn)生有害物的實驗裝置，應放在通風柜內(nèi)柜操作口大于150MM的地方，防止有害物質(zhì)溢出；</div><div>　?。?）凈氣型通風柜的實驗裝置不應遮擋排風狹縫；</div><div>　?。?）實驗完畢后，不應立即關(guān)閉風機，須待3~5分鐘后才關(guān)閉；</div><div>　?。?）凈氣型通風柜不應作貯藏柜使用；</div><div>　?。?）凈氣型通風柜內(nèi)部應經(jīng)常保持柜內(nèi)表面光潔與密閉，要定期*地清理與打掃，如有損壞，須及時檢修；</div><div>　?。?）通風機、風管及有關(guān)附件，都應定期檢修。</div><div>　?。?）每隔一段時間，須對通風柜進行一次測定和調(diào)整；使通風柜在設計情況下運行；</div><div>　?。?）全視窗無管凈氣型通風柜內(nèi)溫度，如瓦數(shù)大的電爐應墊塊墊板，不宜長時間存放開啟，以免影響風柜的使用。</div> </div> <div id="xzvjf3xd" class="ny_PrevNext"> <ul> <li>上一篇：<a 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