噴砂房適應于一些大型工件表面清理、除銹，增加工件與涂層之間的附著力等效果，它在使用時局部抽風是什么原理？以下是小編的整理：

The sandblasting room is suitable for surface cleaning and rust removal of some large workpieces, increasing the adhesion between the workpiece and the coating, and other effects. What is the principle of local ventilation when it is used? The following is the editor's organization:

噴砂房設置了局部通風。噴砂房工人戶外作業噴砂是在密閉的房間內進行的，抽風量的確定是基于噴砂時可以吸走灰塵，看清楚零件表面的原理。風量一般可根據噴砂房，室內橫截面積風速0.3- 0.7 m/s計算，橫截面積根據氣流方向確定。截面風速的選擇應考慮噴砂房，緊密度、噴嘴尺寸和噴砂室尺寸等因素。

The sandblasting room is equipped with local ventilation. Outdoor sandblasting is carried out by sandblasting room workers in a closed room, and the determination of ventilation volume is based on the principle of being able to absorb dust and see the surface of parts clearly during sandblasting. The air volume can generally be calculated based on the sandblasting room, and the indoor cross-sectional area wind speed is 0.3-0.7 m/s. The cross-sectional area is determined based on the direction of the airflow. The selection of cross-sectional wind speed should consider factors such as sandblasting room, tightness, nozzle size, and sandblasting room size.

從噴砂房提取的粉塵需要經過除塵凈化后才能排放到大氣中。避免除塵不當和含塵氣體進入本車間其他車間造成環境污染。拋光拋光機局部通風：金屬零件在拋光拋光過程中會產生大量的金屬粉塵和纖維粉塵，因此需要設置局部通風來消除。在排入大氣之前，需要除塵凈化。

The dust extracted from the sandblasting room needs to undergo dust removal and purification before it can be discharged into the atmosphere. Avoid improper dust removal and the entry of dusty gases into other workshops in this workshop, causing environmental pollution. Polishing and polishing machine local ventilation: During the polishing and polishing process of metal parts, a large amount of metal dust and fiber dust will be generated, so local ventilation needs to be set up to eliminate it. Before being discharged into the atmosphere, dust removal and purification are required.

噴砂房零件的噴漆一般在噴漆室進行，需要一個帶水淋過濾器或干式過濾器的局部排氣裝置，以防止漆霧從工作孔口逸出到室內。小零件除銹噴漆可在工作臺或局部通風的通風柜內進行，通風量按進風工作孔口截面風速0.1m/秒計算。

The painting of parts in the sandblasting room is generally carried out in the painting room, and a local exhaust device with a water spray filter or dry filter is required to prevent paint mist from escaping from the working orifice into the room. The rust removal and painting of small parts can be carried out on the workbench or in a locally ventilated ventilation cabinet, and the ventilation rate is calculated based on the cross-sectional wind speed of 0.1m/s at the inlet of the working hole.

安裝在噴砂房的噴嘴機械手可以對零件表面進行自動噴砂，自動噴砂難以到達的區域可以通過手動噴砂完成。

The nozzle robotic arm installed in the sandblasting room can automatically sandblasting the surface of parts, and areas difficult to reach by automatic sandblasting can be completed through manual sandblasting.

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