设有过滤器的空调系统新风量的计算

为了提高空气的品质,空调系统中经常设置一些过滤器,然而对设置过滤器后系统的计算上还存在着一定的问题。本文首先对新风侧设置过滤器,回风侧设置过滤器和新回风侧均设有过滤器的几种情况下,室内污染物浓度和新风量的多少进行数学上的推导,得出了三种情况下室内污染物的浓度和新风量的计算公式,从而得出了很清晰的概念和结论,并通过进一步的讨论,对目前民用空调设计采用的室内污染物浓度控制标准的修改原因提出不同的看法。

CALCULATION OF FRESH AIR QUANTITY WITH AIR FILTER

In order to raise the quality of environmental air, it is a fact that a lot of air filters have been used in air conditioning system. But there are some problems in the calculation of such system. The thesis first works out the calculating formulas of permitting density of pollutant indgor and necessary quantity of fresh air in three cases, that is, with a filter at the entrance of fresh air, with a filter at the entrance of reused air, with the filters both at the entrance of fresh air and reused air. So we get a very clear concept and conclusion from these. And also through the further discussion, a kind of wrong sense in civil air conditioning system has been pointed out in this thesis.