When using the mobile fume extraction unit, pay attention to the ambient temperature so that the material of construction can be correctly determined. For acidic or alkaline gases, the air duct of the mobile fume extraction unit needs to be treated with anti-corrosion. In humid air environment, the mobile fume extraction unit needs to be strengthened with anti-rust treatment or made of anti-rust materials. If there are high-temperature particles in the dust-laden air, add a fireproof pre-filtering device before the mobile fume extraction unit, such as a fireproof filter box, a water spray cooling system, or a metal blocking filter. For the mobile fume extraction unit installed outdoors, the influence of climate and wind direction on it should be considered. It is better to install a canopy above the mobile fume extraction unit. The air outlet should avoid facing the residential area, office area or human and animal activity area. If the air needs to be discharged at a high altitude, a chimney should be installed. For the mobile fume extraction unit installed indoors, its weight, size, and support should be considered. Where there is a potential for explosion, consider installing sprinklers. It is also necessary to consider the noise of the fan during operation, which should generally be lower than 75dB. If it is higher than this data, a muffler should be installed to reduce noise. The recoil compressed air pressure should be stable, clean, dry and oil-free. Regularly check the interface, solenoid valve, seals and other accessories, if there is any damage or air leakage, it needs to be repaired or replaced in time. The exhaust system used in the powder transportation equipment should maintain the negative pressure of the hopper part, and the exhaust port should be placed at the head of the transportation equipment. Exhaust air over the entire conveyor belt preferably establishes a reverse airflow above the material flow to prevent dust particles from overflowing at the rear end of the conveyor belt.

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