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How does the air shower system for the Dynamic pass box work?
How does the air shower system for the Dynamic pass box work?The air shower system of the Dynamic pass box is mainly composed of the fan, filter, air shower nozzle, control system, and other components. Its working process is as follows:Air intake and filtration Air inhalation: After the air shower system is started, the fan begins to operate, producing a strong suction, which inhales the outside air or the air circulating in the transfer window into the air shower system. Primary filter: The inhaled air first passes through the primary filter, and the primary filter usually uses non-woven fabrics, metal mesh, and other materials, which can filter out the large dust particles, hair, fibers, and other impurities in the air, protect the subsequent high-efficiency filter and extend its service life. High-efficiency filtration: The air that is initially filtered then enters the high-efficiency filter. High-efficiency filters generally use ultrafine glass fiber filter paper or polypropylene filter paper and other materials, the filter aperture is very small, can filter out particle size greater than or equal to 0.3 microns of dust particles, filtration efficiency can reach more than 99.99% so that the air to achieve high cleanliness standards. Formation and injection of clean air Airflow acceleration: Clean air after efficient filtration, under the action of the fan to obtain a certain pressure and speed, the formation of high-speed clean air. Air distribution: high-speed clean air is evenly distributed to each air shower nozzle through the air duct system inside the Dynamic pass box. The air duct system is usually designed with a reasonable shunt structure and deflector plate to ensure that the air can be evenly transmitted to each nozzle to avoid uneven air flow or eddy current phenomenon. Air spray: The air spray nozzle is generally designed with rotation or multiple angles, which can spray clean air to the surface of the item in the transfer window at a certain Angle and speed. Multiple nozzles spray air from different directions at the same time, forming an all-around air shower effect, so that the dust particles on the surface of the item are blown off by the high-speed airflow. Dust particle collection and air circulation Dust particle collection: The blown dust particles move with the airflow, driven by the airflow, and the dust particles are transported to the return air or exhaust air outlet of the air shower system. Air circulation or discharge: part of the air shower transfer window adopts an air circulation system, and the air containing dust particles re-enters the fan through the return air outlet is filtered again through the primary effect filter and high-efficiency filter, and then recycled. There are also some air shower transfer Windows in the air shower process will contain dust particles of the air discharged to the outside, while adding filtered fresh air, to keep the air in the transfer window fresh and clean. Control and monitoring Air shower time control: The air shower system is equipped with a time controller, and users can set the air shower time according to actual needs. Generally, the air shower time is between 10-60 seconds, and when the air shower time reaches the set value, the air shower system automatically stops. Wind speed monitoring and regulation: To ensure the effect of the air shower, the air shower system is usually installed with wind speed sensors to monitor the wind speed of the air shower nozzle in real-time. When the wind speed is lower than the set value, the system will automatically alarm, and the wind speed can be adjusted by adjusting the speed of the fan to ensure that the air shower system is always in the best working state. |
