一、有害物源局限气流防护层的原理和计算由窄长的缝隙吹出的空气气流(幕)能够将洁净空气的区域与被污染空气区域分隔开。空气气流防护层(幕)在某些情况下可以省去笨重的局部排气和排气罩或简化它,这并不妨碍工艺设备的操作口,同时也改善了车间的美观。空气防护层可以利用房间的废空气。通 First, the principle of harmful material sources and the limitations of airflow protection layer The air flow (screen) blown by narrow gaps can separate clean air from contaminated air. The air flow protection layer (curtain) may in some cases eliminate bulky local exhaust and exhaust hoods or simplify it, which does not impede the handling of the process equipment and also improves the aesthetics of the plant. The air shield can use the room’s waste air. through