一个健康、安全的工作环境，对提高工作效率是至关重要的。尤其是在实验室，由于各种化学物质的使用，常常造成实验室的空气污染。有些物质不但难闻，甚至有害健康。自然，如何选择一个适当的通风设备成了各个实验室不可忽略的话题。实验室如何选择通风管道和通风柜呢？通风管道厂家为您讲解：
A healthy and safe working environment is crucial for improving work efficiency. Especially in laboratories, the use of various chemical substances often causes air pollution. Some substances not only smell unpleasant, but are even harmful to health. Naturally, how to choose an appropriate ventilation device has become a topic that cannot be ignored in various laboratories. How to choose ventilation ducts and fume hoods in the laboratory? The ventilation duct manufacturer will explain to you:
造成实验室空气污染的主要原因就是在各种实验中散发的气体、烟雾和灰尘颗粒物。在英国，化学和有害物质的使用，被置于“有害物质使用管理规定”（C。O。S。H。H）的管理之下，COSHH规定，在实验室，任何可能造成空气污染的物质的使用都要在实验室通风柜内进行。有一台好的通风柜，必能达到事半功倍的效果。那么如何才能选择到一台好的通风柜呢？通风柜的好坏单从表面是看不出来的，须从它的内部进行解析：
The main cause of laboratory air pollution is the emission of gases, smoke, and dust particles in various experiments. In the UK, the use of chemicals and harmful substances is regulated under the Hazardous Substance Use Management Regulations (C.O.S.H.H), which stipulate that any use of substances that may cause air pollution in laboratories must be carried out in laboratory fume hoods. A good fume hood can achieve twice the result with half the effort. So how can we choose a good fume hood? The quality of a fume hood cannot be seen from the surface alone, and it needs to be analyzed from its interior:
1、保证通风柜内的气体、烟雾和灰尘颗粒特不泄露于室内空气中。
1. Ensure that the gas, smoke, and dust particles inside the fume hood do not leak into the indoor air.
2、可燃气体在通风柜内不聚集。
2. Combustible gases do not accumulate inside the fume hood.
3、保证实验室工作人员在通风橱前工作时，不受有害物质的侵害，万一玻璃门破裂时不被碎玻璃划伤。
3. Ensure that laboratory staff are not exposed to harmful substances while working in front of the fume hood, and are not scratched by broken glass in case the glass door breaks.