Underground coal separation process

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11396024
APP PUB NO 20210162427A1
SERIAL NO

17059476

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Abstract

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Disclosed is an underground coal preparation process adopting a water medium, comprising: feeding exploited raw coal into a Φ25 mm raw coal classifying screen for screening; performing dry coal preparation on a classifying screen oversize product with a particle size greater than 25 mm and feeding a classifying screen undersize product with a particle size less than 25 mm into a special underground compact jigging machine for sorting to obtain jigging machine overflow clean coal, jigging middling coal and jigging gangue; screening and dewatering the jigging machine overflow clean coal to obtain a clean coal product, and screening and dewatering the jigging middling coal to obtain a middling coal product, sorting slime water to be sorted and generated during sorting to obtain coarse clean coal slime and coarse middling coal slime, and performing circulating water treatment on a final liquid.

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Patent Owner(s)

Patent OwnerAddress
CHINA UNIVERSITY OF MINING AND TECHNOLOGYNO 1 DAXUE ROAD TONGSHAN XUZHOU JIANGSU 221116

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cao, Yijun Jiangsu, CN 6 0
Gui, Xiahui Jiangsu, CN 7 0
Liu, Min Jiangsu, CN 296 2713
Liu, Peikun Shandong, CN 2 0
Luo, Jiaqian Jiangsu, CN 3 0
Wang, Zhigang Beijing, CN 301 5223
Xia, Yangchao Jiangsu, CN 4 0
Xing, Yaowen Jiangsu, CN 8 0

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