Firstly, the design of ventilation ducts in the workshop should be planned based on the size, layout, and ventilation needs of the workshop. The size and layout of the workshop will determine the length and number of branches of the ventilation ducts, while the ventilation demand determines the diameter and air volume of the ventilation ducts.
Secondly, metal materials such as steel plates, galvanized iron sheets, etc. can be chosen for ventilation ducts. These materials have advantages such as corrosion resistance and structural stability, making them suitable for long-term use in ventilation systems. In addition, the shape of the ventilation duct can be considered as rectangular or circular, which can be selected according to the actual situation.
For small workshops, ventilation ducts can be divided into main and branch ducts. The main pipeline is responsible for connecting the air inside and outside the workshop, introducing fresh air into the workshop or discharging polluted air. Branch pipelines connect various equipment or work areas to discharge dirty air. When designing, the position and length of each branch should be reasonably arranged to ensure ventilation effectiveness.
In order to improve the ventilation effect, air doors or valves can be installed in the ventilation ducts. The damper can be used to adjust the ratio of fresh air and exhaust air to meet the ventilation needs in different situations. The air valve can be used for zone control, and can be opened or closed according to actual needs.
In addition, the connection method of the ventilation duct also needs to be noted. Usually, flange connection or welding connection can be used. Flange connections are suitable for situations that require frequent disassembly and cleaning, while welded connections are suitable for situations that require long-term stable operation.
In addition, the support and fixation of ventilation ducts are also very important. Ventilation ducts should be equipped with an appropriate number of supports and fixing points to ensure the stability and safety of the ducts. Metal brackets or suspension devices can be used for support and fixing points.
Then, the installation of ventilation ducts needs to consider process and safety requirements. The installation of the ventilation system should be operated by professional personnel to ensure the sealing and ventilation effect of the pipeline. At the same time, it is also necessary to comply with relevant safety regulations and standards to ensure the safe operation of the ventilation system.
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