Gas-collecting hood
- DESCRIPTION
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- Commodity name: Gas-collecting hood
- Commodity ID: Gas-collecting hood
Working principle: When the distance between the external air intake hood and the pollution source is large, an air intake port can be set opposite the external air intake hood to form an air curtain to prevent the escape of pollutants, and also induce the flow of polluted airflow towards the exhaust hood.
A gas hood refers to a device for capturing pollutants through inhalation. It is commonly used in situations where micro negative pressure is not allowed inside sealed equipment or pollutants occur on the surface of pollution sources. According to the relative position and enclosure situation between the gas collection hood and the pollution source, it can be divided into closed gas collection hood, receiving hood, external suction hood, and blowing suction hood. The technical and economic indicators of a gas hood reflect its ability and economy to capture pollutants. These indicators generally include exhaust volume, pressure loss, size, and material consumption. For a determined pollution source, under the same conditions of controlling pollutant escape, the performance of the gas collection hood is good with small exhaust volume, small pressure loss, small size, and low material consumption.
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