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<p>　實(shí)驗(yàn)室通風(fēng)柜使用的注意事項(xiàng)</p><p>　　在化學(xué)實(shí)驗(yàn)室中，實(shí)驗(yàn)操作時(shí)產(chǎn)生各種有害氣體、臭氣、濕氣以及易燃、易爆、腐蝕性物質(zhì)，為了保護(hù)使用者的安全，防止實(shí)驗(yàn)中的污染物質(zhì)向?qū)嶒?yàn)室擴(kuò)散，在污染源附近要使用通風(fēng)柜。通風(fēng)機(jī)是依靠輸入的機(jī)械能，提高氣體壓力并排送氣體的機(jī)械，它是一種從動(dòng)的流體機(jī)械。通風(fēng)柜是實(shí)驗(yàn)室家具中不可少的一種。在實(shí)驗(yàn)室中起到排風(fēng)和換氣的功效。</p><p>　　1、通風(fēng)柜使用前應(yīng)檢查電源，給排水、氣體等各種開(kāi)關(guān)及管路是否正常;</p><p>　　2、打開(kāi)照明設(shè)備，檢查視光源及柜體內(nèi)部是否正常 ;</p><p>　　3、打開(kāi)抽風(fēng)機(jī)，約3分鐘內(nèi)，靜聽(tīng)運(yùn)轉(zhuǎn)是否正常 ;</p><p>　　4、通風(fēng)柜依以上順序檢查時(shí)，如有問(wèn)題，請(qǐng)即暫停使用，并通知保養(yǎng)單位處理 ;</p><p>　　5、通風(fēng)柜關(guān)機(jī)前，抽風(fēng)機(jī)應(yīng)繼續(xù)運(yùn)轉(zhuǎn)幾分鐘，使柜內(nèi)廢氣排除 ;</p><p>　　6、通風(fēng)柜使用后應(yīng)將柜體內(nèi)外擦拭清潔，并關(guān)閉各項(xiàng)開(kāi)關(guān)及視窗 ;</p><p>　　7、實(shí)驗(yàn)室內(nèi)在不使用通風(fēng)柜時(shí)也要時(shí)常通風(fēng)，這樣對(duì)試驗(yàn)人員的身體健康有益 ;</p><p>　　8、通風(fēng)柜在使用時(shí)，每2小時(shí)進(jìn)行10分鐘的補(bǔ)風(fēng)(即開(kāi)窗通風(fēng))使用時(shí)間超過(guò)5小時(shí)的,要敞開(kāi)窗戶，避免室內(nèi)出現(xiàn)負(fù)壓 ;</p><p>　　9、禁止在未開(kāi)啟通風(fēng)柜時(shí)在其通風(fēng)柜內(nèi)做實(shí)驗(yàn) ;</p><p>　　10、禁止在做實(shí)驗(yàn)時(shí)將頭伸進(jìn)通風(fēng)柜內(nèi)操作或查看 ;</p><p>　　11、禁止通風(fēng)柜內(nèi)存放或?qū)嶒?yàn)易燃易爆物品 ;</p><p>　　12、禁止將移動(dòng)插線排或電線放在通風(fēng)柜內(nèi) ;</p><p>　　13、禁止通風(fēng)柜內(nèi)做國(guó)家禁止排放的有機(jī)物質(zhì)與高氯化合物質(zhì)混合的實(shí)驗(yàn) ;</p><p>　　14、禁止在沒(méi)有安全的情況下將所實(shí)驗(yàn)的物質(zhì)放置在通風(fēng)柜內(nèi)實(shí)驗(yàn)，一旦出現(xiàn)化學(xué)物質(zhì)噴濺出來(lái)，應(yīng)立即將電源切斷 ;</p><p>　　15、移動(dòng)上下視窗時(shí)，要緩慢、輕移的操作，以免門(mén)拉手將手壓壞 ;</p><p>　　16、實(shí)驗(yàn)過(guò)程中，將視窗離臺(tái)面100-150 mm為宜 ;</p><p>　　17、通風(fēng)柜的操作區(qū)域要保持暢通，通風(fēng)柜周圍避免堆放物品 ;</p><p>　　18、操作人員在不使用通風(fēng)柜時(shí)，通風(fēng)柜臺(tái)面避免存放過(guò)多試驗(yàn)器材或化學(xué)物質(zhì)，禁止長(zhǎng)期堆放。</p> </div> <div id="1fxzv59" class="ny_PrevNext"> <ul> <li>上一篇：<a href="/Article-3615335.html">強(qiáng)酸強(qiáng)堿柜的清潔與維護(hù)</a></li> 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