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Gantry CNC cutting machine exhaust is a university question

  When using a gantry CNC cutting machine, the melting of the material surface will form a large amount of harmful gas, such as smoke. Especially when the gantry CNC cutting machine is used to cut galvanized sheets and other materials, the smoke and harmful gases will be greater. In order to reduce the impact of smoke and dust, companies are more equipped with dust removal devices to achieve results, but from a cost point of view, whether it is dry or wet dust removal, the cost is very considerable. Compared with some small and medium-sized enterprises, it is still too early to choose dust removal equipment with many years of experience.

  The exhaust gas treatment of the gantry CNC cutting machine is usually only performed locally on the cutting surface, especially on 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 fan unit is composed of an air collecting hood, an air pipe, a purification system and a fan. According to different gas collection methods, partial exhaust can be divided into fixed partial exhaust system and mobile partial exhaust system.

   Comprehensive ventilation includes natural ventilation and mechanical ventilation. In foreign countries, outdoor CNC cutting operations or outdoor CNC cutting usually use natural ventilation. For indoor operation, mechanical ventilation is usually used. Through the axial flow fan installed on the wall or ceiling, the welding flue gas in the workshop is purified by the purifier and discharged outdoors or recycled into the workshop to reduce the concentration of the flue gas in the workshop. Circulate the purified air to solve the energy loss in the workshop. This method is widely used abroad.

   Full ventilation, also known as dilution ventilation, refers to the use of 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 the high allowable concentration specified by the health standards. At the same time continue to pollute the air or collect and purify the air.

   Gantry CNC cutting machine cutting fixed local exhaust system is mainly used in large-scale CNC cutting production workshops. The operating positions and methods of these workshop workers are fixed. The position of the air collecting hood can be fixed at one time according to the actual situation. The working state of the mobile local exhaust system is relatively flexible. According to different working conditions, different working attitudes can be adopted to ensure the processing efficiency and the convenience of the operators. The CNC cutting flue gas and harmful gas purification system usually adopts bag type or electrostatic dust removal combined with adsorbent, which has high processing efficiency and stable working conditions.

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