(2)XIAFENGSHI,ZAIDINGBUHEHOUCEZHONG、XIABU(HUOJINXIABU)SHEYOUPAIFENGXIAFENG,KEYUJUTONGZHANG。SHANGBUFENGKUANYUE3、2LIMI,XIABUFENGKUANYUE4、5LIMIBINGGAOCHUTAIMIAN17、5LIMI。CISHITONGFENGJUCAOZUOKOUFENGSUJUNYUN,SHIYONGXIAOGUOJIAOHAO。
(4)供气式,设辅助风机由室外将总排风量的60~70%空气直接送入柜内或操作口..排气使用,其余再由室内供给,从而可减少室内空气的排出量,适于带空调的实验室,以求节省能量。但应注意操作口气流的均匀性,防止柜内形成涡流(可用金属丝网减速)。
(5)ZIRANTONGFENGSHI,CHANGYONGYUDIWEIDUSHUIPINGDEJIARECAOZUO,LIYONGSHINEIWAIWENCHAZIRANTONGFENG,SHIQITIYOUPAIFENGGUANZHIJIECONGJUDINGPAIZHISHIWAI。GUANDINGSHETONGXINGFENGMAO,YIFANGJINRUYIWU。PAIFENGGUANYINGYOUZUGOUDEGAODU(LIRU6MIYISHANG)。CIZHONGTONGFENGJUJIEGOUJIJIANDAN,YIYUBAOYANG,YOUBUHAODIAN,DANBUSHIYUGAODUCAOZUO。
