How to design the bag duct reasonably? What are the points to pay attention to?

The softness and breathability of the material of the cloth bag air duct, and its design is obviously different from that of the hard air duct. What are the points to pay attention to how to design the cloth bag air duct? 1. The entrance of the cloth duct The airflow should be kept as stable as possible. If there are problems, a static pressure box or a rectifier grid should be installed to eliminate the rotating and sucking airflow; 2. The inlet wind speed of the air duct should be 6~8m/s, which is too high. A negative pressure area will be formed at the entrance, and the fullness of the air duct will not be guaranteed. 3. The static pressure in the duct should be greater than 2.5 times the dynamic pressure. The longer the duct, the greater the ratio of static and dynamic pressure. 4. The static pressure in the normal cloth duct is 80~150Pa, and the excessively high pressure will cause the duct to rupture when the fan is started. 5. The designed pipeline should be as straight as possible to prevent unnecessary bends and branch pipes, so as to reduce the resistance of the pipeline department. The technical staff of bag air ducts are service engineers who have been trained by the technical center and have obtained corresponding qualification certifications, equipped with fully imported, professional precision testing instruments, adjust the air volume control valve and air pressure control valve of the components, and debug the system. Until the design effect is reached. Professional installation can ensure the function, life and aesthetics of the entire system, which is a necessary guarantee for the quality of the final system. Professional debugging can make up for the problems caused by the changes between the original design and the actual situation on site.

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