車間除塵風機的工(gong)作原理
礦用(yong)(yong)除塵風(feng)機(ji)(ji)能(neng)(neng)吸(xi)走車間(jian)的(de)(de)(de)灰塵,防止(zhi)人體的(de)(de)(de)吸(xi)入(ru),有利于(yu)(yu)人體健康。與一般離(li)心(xin)式通(tong)風(feng)機(ji)(ji)的(de)(de)(de)工作原(yuan)理基(ji)本相(xiang)同(tong)(tong),當(dang)葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)高速(su)旋(xuan)(xuan)轉(zhuan)(zhuan)時(shi),葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)中(zhong)(zhong)(zhong)各(ge)部分空(kong)(kong)氣也被帶動(dong)(dong)一起旋(xuan)(xuan)轉(zhuan)(zhuan),此時(shi),在(zai)(zai)葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)中(zhong)(zhong)(zhong) 心(xin)處的(de)(de)(de)空(kong)(kong)氣因受(shou)離(li)心(xin)力(li)的(de)(de)(de)作用(yong)(yong)將(jiang)被拋向葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)的(de)(de)(de)邊緣,在(zai)(zai)葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)中(zhong)(zhong)(zhong) 心(xin)處便形成(cheng)了真空(kong)(kong),于(yu)(yu)是,外(wai)部的(de)(de)(de)空(kong)(kong)氣在(zai)(zai)壓(ya)(ya)差的(de)(de)(de)作用(yong)(yong)下,不(bu)斷地流(liu)入(ru),補(bu)充到葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)中(zhong)(zhong)(zhong) 心(xin)處,這(zhe)樣就使風(feng)機(ji)(ji)具備了吸(xi)入(ru)空(kong)(kong)氣的(de)(de)(de)能(neng)(neng)力(li)。由于(yu)(yu)空(kong)(kong)氣在(zai)(zai)旋(xuan)(xuan)轉(zhuan)(zhuan)中(zhong)(zhong)(zhong)離(li)開葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)葉(xie)(xie)(xie)(xie)片的(de)(de)(de)速(su)度(du)遠遠大于(yu)(yu)葉(xie)(xie)(xie)(xie)輪(lun)(lun)(lun)(lun)周圍空(kong)(kong)間(jian)的(de)(de)(de)氣流(liu)速(su)度(du),這(zhe)使得(de)氣體在(zai)(zai)運(yun)動(dong)(dong)中(zhong)(zhong)(zhong)有部分動(dong)(dong)能(neng)(neng)轉(zhuan)(zhuan)變(bian)為靜壓(ya)(ya)能(neng)(neng),在(zai)(zai)動(dong)(dong)能(neng)(neng)轉(zhuan)(zhuan)化為靜壓(ya)(ya)能(neng)(neng)的(de)(de)(de)過程中(zhong)(zhong)(zhong),風(feng)機(ji)(ji)的(de)(de)(de)風(feng)罩空(kong)(kong)間(jian)呈現正壓(ya)(ya),從而使風(feng)機(ji)(ji)具備將(jiang)氣體轉(zhuan)(zhuan)入(ru)導論中(zhong)(zhong)(zhong)的(de)(de)(de)能(neng)(neng)力(li),并在(zai)(zai)導論中(zhong)(zhong)(zhong)再將(jiang)部分動(dong)(dong)能(neng)(neng)轉(zhuan)(zhuan)變(bian)為靜壓(ya)(ya)能(neng)(neng),然后流(liu)入(ru)電機(ji)(ji),同(tong)(tong)時(shi)給電機(ji)(ji)散熱,然后經出口壓(ya)(ya)出。
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