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What is the placement standard of fume hood?
What is the placement standard of fume hood? -Hangzhou haomg Experimental Equipment Co., Ltd
Time: 19:15:15, 2019
There are a lot of laboratory fume hood sizes and standards on the market. Haomg Xiaobian will explain some easy to understand methods for you, hoping to help you. As an important experimental equipment in the laboratory, a reliable and appropriate size Fume hood It can be used for decades. How to choose the size and standard of fume hood?
How to place the appropriate size of the fume hood. The size of the fume hood is divided into the width of 1200mm / 1500mm / 1800mm (the actual size depends on the actual situation). Generally, do not put any equipment within 150 mm away from the glass window. The large experimental equipment should have sufficient space and should not affect the air flow. The front window should be closed as far as possible.
The fume hood should have a good way to absorb and exhaust the harmful gas outside the fume hood. Non backflow function: the function that the airflow generated by the fan will not reverse flow the harmful gas into the room from the inside of the fume hood. Isolation function: there should be a non sliding glass window in front of the fume hood to separate the inside and outside of the fume hood. When the fume hood is supplied, it should have the function of replacing the harmful air. Wind speed control function: in order to prevent harmful gas from escaping from the fume hood, a certain suction speed is required.
The fume hood should not be installed in the place where the personnel frequently enter and exit and the ventilation and lighting are not good, otherwise, the accidents that may harm human health may occur. The fume hood should not be installed near the entrance and exit. It is easy to block the entrance and exit and affect the door switch. It can not be placed at the corner wall. It should be installed as close to the window as possible, but avoid blocking the window. If the harmful gas discharged from the fume hood exceeds the national health standard, the corresponding purification device should also be installed.

 Fume hood