烟台新风系统分为单向流(liu)新风系(xi)统(tong)(tong)和双向流(liu)新风系(xi)统(tong)(tong)。

一、单向流新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)也(ye)叫(jiao)半(ban)机(ji)(ji)械式新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)，即只有(you)进风(feng)(feng)或排风(feng)(feng)单向需要动力，需要风(feng)(feng)机(ji)(ji)和管道，另(ling)一方(fang)向的(de)排风(feng)(feng)或进风(feng)(feng)不(bu)需要风(feng)(feng)机(ji)(ji)和管道的(de)新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)。单向流新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)又包含负压式新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)、正压式新(xin)(xin)风(feng)(feng)系(xi)(xi)(xi)(xi)统(tong)。

1.负压式

负压(ya)新风(feng)系(xi)统分为集中式和(he)分户式，普通负压(ya)式新风(feng)系(xi)统的优点：只有(you)排风(feng)有(you)动(dong)力，降低了使用成本，节(jie)约了电能；进风(feng)无动(dong)力，无需风(feng)机(ji)和(he)管道(dao)，避免了管道(dao)送风(feng)的二(er)次污染；进风(feng)口带有(you)初(chu)级过(guo)滤(lv)装置，更换方(fang)便。

2.正压式

优点(dian)：只有送(song)风(feng)需要(yao)风(feng)机(ji)和管道，运行成本低；进(jin)风(feng)口带有初(chu)级过滤(lv)装置，更(geng)换方便。

二、双向流新(xin)风系(xi)统(tong)(tong)是指进排风都需要动力，即(ji)风机和管道的新(xin)风系(xi)统(tong)(tong)。双向流新(xin)风系(xi)统(tong)(tong)又分为普(pu)通双向流新(xin)风系(xi)统(tong)(tong)、热交(jiao)换新(xin)风系(xi)统(tong)(tong)、壁(bi)挂(gua)式新(xin)风系(xi)统(tong)(tong)。