How to remove dust in the CNC cutting machine workshop? These several ways can help you deal with it easily

When using a CNC cutting machine, due to the melting of the material surface, a larger amount of smoke and other harmful gases will be formed, especially when using a CNC plasma cutting machine to cut galvanized sheets and other materials, the amount of smoke and harmful gases will be greater. Many companies deploy dust removal devices to achieve this effect to reduce the impact of smoke and dust. However, from a cost point of view, the cost of dry dust removal and wet dust removal is very considerable. Compared with some small and medium-sized enterprises, it is too early to choose dust removal equipment with many years of experience, so how to do the dust removal work of the above enterprises?

1. Waste gas treatment

Exhaust gas treatment is usually only for the local operation of the cutting surface, especially the local airflow, so that the local workplace will not be polluted by harmful substances and maintain a good air environment. Generally, the local exhaust device is composed of 4 parts: the air collecting hood, the air duct, the purification system and the fan. According to different gas collection methods, local exhaust can be divided into fixed partial exhaust systems and mobile partial exhaust systems.

The fixed local exhaust system is mainly used in large-scale CNC cutting production workshops. It has a fixed operating position and worker's operating mode. The position of the air collecting hood can be fixed at a time according to the actual situation. The working state of the mobile local exhaust system is relatively flexible, and different working postures can be adopted according to different working conditions, which ensures the processing efficiency and the convenience of the operators. Numerical control cutting fume and harmful gas purification systems usually adopt bag-type or electrostatic dust removal combined with adsorbent purification methods, which have high processing efficiency and stable working conditions.

2. Complete ventilation

Full ventilation is also called dilution ventilation. It uses clean air to dilute the concentration of harmful substances in the indoor air, so that the concentration of harmful substances in the indoor air does not exceed hygiene. The standard stipulates the high allowable concentration, while continuously discharging the polluted air outdoors or collecting and purifying.

Comprehensive ventilation includes natural ventilation and mechanical ventilation. In foreign countries, natural ventilation is generally used for outdoor CNC cutting operations or open-air CNC cutting operations, and mechanical ventilation is generally used for indoor operations. Through the axial flow fan installed on the wall or ceiling, the welding fume in the workshop is discharged to the outside, or is used for circulation in the workshop after being purified by a purifier, so as to achieve the purpose of reducing the concentration of smoke and dust in the workshop. The circulating purified air solves the energy loss in the workshop. This method is widely used abroad.

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