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Which fume hoods are usually used in the laboratory
Which fume hoods are usually used in the laboratory - Hangzhou haomg Experimental Equipment Co., Ltd
Release time: February 13, 2019 15:09:41 hits: 1691
What are commonly used in laboratories Fume hood There are seven kinds of fume hoods commonly used in laboratories
Variable air volume (VAV) fume hood: intelligent fume hood with variable air volume self-adaptive control system, safe and efficient, environmental protection and energy-saving, is the mainstream development direction of fume hood category.
Top extraction type fume hood: Top extraction type fume hood is suitable for the occasion with heat generation. It is characterized by simple structure and convenient manufacture.
Air supply type fume hood: for the laboratory with air conditioning system or clean laboratory, the use of air supply type fume hood can not only save energy, but also do not affect the indoor air distribution.
Movable fume hood: the movable fume hood is often used in general laboratories, such as the experimental hall. It is made of wood, plastic or light metal and can be easily moved. For example: the equipment such as the experimental bench and the water basin fume hood can be moved at any time, and can be pushed into the adjacent storage room when not in use.
By pass type fume hood: when the door of the by-pass type fume hood is fully closed, the indoor air exchange rate will not be affected. Therefore, when the laboratory considers the range fume hood to remove the indoor air, this kind of fume hood is more ideal.
Slit type fume hood: slit type fume hood is equipped with exhaust slit at the top and rear side of the fume hood. The structure is more complex and the manufacture is more troublesome, but it can obtain good effect for various working conditions.
Natural ventilation fume hood: natural ventilation fume hood can not be used in experiments with high toxicity and no heat generation, and some rooms are not suitable for use in summer. However, there are many advantages of the natural ventilation fume hood, such as: it can continuously change air day and night without power consumption (the indoor air change can reach 6 times / h after actual measurement), no mechanical equipment, simple structure, no noise and vibration, easy maintenance and low cost.
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