局(ju)(ju)部通(tong)(tong)風(feng)(feng)是指掘進工作面的通(tong)(tong)風(feng)(feng)。在開采地(di)下井巷時，為了供給(gei)新鮮空(kong)氣、稀釋(shi)并(bing)排出掘進工作面的煙(yan)、塵和(he)有害氣體、創造良(liang)好(hao)的作業(ye)環境，可采用(yong)總風(feng)(feng)扭通(tong)(tong)風(feng)(feng)、擴散(san)通(tong)(tong)風(feng)(feng)、引射(she)器和(he)局(ju)(ju)扇通(tong)(tong)風(feng)(feng)等(deng)局(ju)(ju)部通(tong)(tong)風(feng)(feng)方法(fa)。
