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| Parametric Design of Reverse Blowing Pickup Mouth Based on Flow Simulation |
| Yuan Xi, Kai Cheng, Tao Xiao, Xitong Lou, Lei Cheng, Yanjuan Hu |
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Abstract Based on the analysis of structural parameters, the flow field of
reverse blowing pickup mouth was calculated with CFD. The dust
collection efficiency was validated with gas-solid phrase flow. The
results show that the diameter of outlet or the dip angle increases
respectively when $i_{D_1 B} \le 0.45$ or $\beta \le 110^{\circ}$.
Airflow velocities of four narrow slots (front, rear, left and
right) increase; With the sweeper-traveling speed increasing overall
removal efficiency and grade efficiency decrease. Especially for
grade efficiency, sweeper-traveling speed has great effects on large
size particles, while it has slight effects on small size particles
under the same operating conditions.
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| DOI:10.12733/jics20105653 |
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