Research of Ventilation and Dust Removal Technology for Whole Rock Fully-Mechanized Excavation Face

Gang Zhou; De Ming Wang; Wei Min Cheng; Gang Pan; Sen Cao

doi:10.4028/www.scientific.net/AMR.476-478.1297

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Research of Ventilation and Dust Removal Technology for Whole Rock Fully-Mechanized Excavation Face
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Research of Ventilation and Dust Removal...

Research of Ventilation and Dust Removal Technology for Whole Rock Fully-Mechanized Excavation Face

Abstract:

The whole rock fully-mechanized excavation with big cross section, high rock hardness and strong cutting intensity of fully-mechanized coal winning machine has a higher dust concentration than coal roadway excavation, so ventilation dust removal technology is in need in whole rock face. Based on the dust migration and distribution numerical simulation in whole rock tunnel excavation, optimization design of long pressing and short pumping hybrid ventilation and dust removal system were carried out. Eventually, the comprehensive dust prevention measures with air curtain closing dust source, dust electromotor exhausting dust and retaining curtain capturing dust were realized in this paper, which achieved a good removal efficiency of dust.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

1297-1304

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.1297

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Online since:

February 2012

Authors:

Gang Zhou, De Ming Wang, Wei Min Cheng, Gang Pan, Sen Cao

Keywords:

Closed Dust Source, Fully-Mechanized Excavation, Numerical Simulation, Wet Vibration Cyclone Fan, Whole Rock

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References

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