Coal and Gangue Underground Pneumatic Separation Effect Evaluation Influenced by Different Airflow Directions

Table 3

Experimental results of separation effect.

Experiment number				Separation distance (m)
				and are in the opposite direction	and are in the same direction
1	50	0.4	0.5	3.05	2.21
2	50	0.8	1.0	2.2	1.14
3	50	1.1	2.0	2.05	0.78
4	80	0.4	1.0	2.15	1.08
5	80	0.8	2.0	1.48	0.65
6	80	1.1	0.5	1.25	0.42
7	100	0.4	2.0	1.85	0.98
8	100	0.8	0.5	1.55	0.37
9	100	1.1	1.0	1.40	0.28