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Ventilation selection standard cabinet

Source: www.sdyechuan.cn popularity: Time of publication: 14:54, December 16, 2019
The selection of ventilation system cabinet needs to meet certain standards, so what evaluation factors should we refer to when selecting ventilation system cabinet? first, laboratory In the Laboratory furniture Comply with relevant regulations. Fume hood The material should have good physical and chemical properties, corrosion resistance and easy to clean. Second, the fume hood

The selection of ventilation system cabinet needs to meet certain standards, so what evaluation factors should we refer to when selecting ventilation system cabinet?

First of all, all kinds of laboratory furniture in the laboratory meet the relevant provisions. The material of fume hood shall have good physical and chemical properties, corrosion resistance and easy cleaning.
 

Secondly, the table top is a ventilated cabinet. The side plate, nozzle and air liner shall be provided with anticorrosive function. Since there are many toxic and highly corrosive gases in the laboratory gas emissions, they should be filtered before they are discharged into the atmosphere. Generally, the acid gas is selected from the vertical acid mist tower. Toxic and organic gases are selected from the photocatalytic purification tank. The two kinds of equipment are respectively installed at the end of the exhaust system, the vertical acid mist tower is installed in the positive pressure section of the fan, and the photocatalytic purification box is installed in the negative pressure section of the fan. The gas in the animal room is directly discharged into the atmosphere after primary and secondary filtration, but it is treated by high-pressure jet at the outlet, and the jet height is more than 3 meters. Therefore, there are certain requirements for laboratory ventilation system and equipment.

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