Research Article
Air Curtain Dust Removal Device Design and Dust Prevention Strategy in Heading Face
Table 1
Main parameters of the ACDRD.
| Content | Unit | Parameter |
| Injection box height | mm | 1200 | Length of the upper injection cavities connected to the outlet | mm | 3840 | Distance between the upper vent and outlet | mm | 1800 | Number of inlets on the left/right side of the injection chamber | — | 3 | Distance to the left/right injection chamber of outlet | mm | 960 | Number of air inlets on the left/right side of the injection cavity | — | 3 | Distance between the injection cavity on the left/right side connected to the outlet | mm | 450 | Adjustable width of slits | mm | 0–22 | Number of air bezels installed on both sides of the injection box | — | 25 × 2 | Spacing of the pores on both sides of the injection tank | mm | 20 |
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