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Types and structures of fume hood design any different?

Feb 17, 2017

As we all know, different experiment produces a variety of harmful gases, these gases may contain various strong acid strong alkali such harmful substances, prolonged exposure on the human body can be fatal damage, in addition to the harm to the human body, if the long-term stay indoors, some precision instrument and equipment for the laboratory, will also cause damage and impact. So to improve the laboratory environment is a top priority, in order to prevent the spread of these harmful gases in indoor, we must use fume hoods installed in a laboratory facility to ensure laboratory ventilation structure reasonable, as well as safe and clean environment. Structure there are many now fume hood, what's the difference between design and use of different?

1. full-exhaust structure: full exhaust fume hood design, is currently one of the most widely used, it has very reasonable ventilation structure design, when conducted in fume hood exhaust, good circulation within the Cabinet, the exhaust is suitable in any laboratory, and can be more effective and fast discharge of harmful gases and substances.

2. wind-type structure: the structural design of air-indoor temperature requirements applicable to those laboratories, due to laboratory temperature and humidity is constant, in order to save on heating, and so on, we can use this type of makeup air fume hood design, that this design can make the hood itself outside of gas for running and cycling.

3. variable-structure: the design of variable structure applicable to wind speed requires more laboratory because of such variable-structure design, can better help us adjust the exhaust air flow.