Air filter is the main equipment of air cleaning technology, but also an indispensable equipment to create a clean air environment, so it is necessary to master the characteristics of the filter and its design principles in order to use it correctly and effectively.
空气过滤器是空气洁净技术的主要设备，也是创造空气洁净环境不可缺少的设备，因此必须掌握过滤器的特性及其设计原则，才能正确地使用它，有效地使用它，河北净化板销售厂家分享。
The level of air cleanliness in the cleaning system of the purification workshop is mainly measured by the number of particles ≥0.5μm in the unit volume of air, and all kinds of filters are represented by the efficiency of a specific particle size. Therefore, in the design work of air cleaning technology, it is necessary to convert the efficiency of these specific particle sizes into the efficiency of particles ≥0.5μm.
净化车间洁净系统中空气洁净度的级别，主要是以单位容积空气中≥0.5μm的微粒数量来衡量的，而各类过滤器又是以某一特定粒径的效率为其代表效率的，因此，在空气洁净技术的有关设计工作中，就需要把这些特定粒径的效率换算成对≥0.5μm的微粒的效率。
For the high efficiency filter used in the purification workshop, its identification or factory efficiency is measured by the efficiency of 0.3μm monodisperse particles, in order to convert to the efficiency of ≥0.5μm particles, we must first know the efficiency of 0.5μm, which requires multiple experiments on the filter
对于净化车间使用中高效过滤器，其鉴定或出厂效率都是以对0.3μm单分散微粒的效率来衡量，为了换算成对≥0.5μm微粒的效率，首先要知道0.5μm的效率，这就要求对过滤器多次实验得出
