空气净化技术在中央空调中的应用综述

Application of air purification technology in central air conditioning system

随着经济的发展,人们对居住、办公等条件下的空气质量要求日益升高,中央空调越来越广泛地应用于公共场所的空气循环和净化调节.本文主要综述了应用于空调领域的过滤、吸附、静电除尘、光催化、紫外、臭氧、低温等离子以及负离子等空气净化技术及其净化消毒原理,结合空气净化需求的发展分析了中央空调系统中空气净化技术的发展历程以及产品案例.发现集除尘、净化和杀菌于一体的三级组合净化技术是目前中央空调系统空气净化技术的发展方向,如新型冠状病毒疫情后得到快速推广的过滤-微静电-光催化组合净化技术以及过滤-微静电-低温等离子体组合净化技术.

With the development of economy,people's requirements for air quality inliving and office conditions are increasing.Central air conditioning system is more andmore widely used in air circulation and purification regulation.This paper mainly summa-rizes the air purification technologies applied in the field of air conditioning and their prin-ciples for purification and disinfection.Those technologies are filtration,adsorption,elec-trostatic precipitation,photocatalysis,ultraviolet,ozone,low temperature plasma andnegative ions.The development of air purification technologies in central air conditioningsystem and product cases are analyzed as well.It is found that the three-stage combinedpurification technology,which integrates dust removal,purification and sterilization,isthe development direction of air purification technology in the central air conditioning sys-tem.For example,the combined purification technologies,i.e.,filtration-micro electro-static-photocatalysis and filtration-micro electrostatic-low temperature plasma,have beenpromoted rapidly by the novel coronavirus epidemic situation.