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Title:
DEVICE AND PROCESS FOR SORTING COAL USING WASTE GREASE
Document Type and Number:
WIPO Patent Application WO/2020/259072
Kind Code:
A1
Abstract:
A device and a process for sorting coal using waste grease. Said device and process comprise a coal slurry sorting machine, a filter (9) and a dryer (10); a baffle (6) is provided on the left side of the coal slurry sorting machine, the bottom end of the baffle (6) is under a water layer, and the baffle (6) divides the coal slurry sorting machine into a stirring space and a grease scraping space; a coal sample inlet (1) is provided at the top of the coal slurry sorting machine, a waste grease inlet (2) is provided at a side of the coal slurry sorting machine, a stirrer (3) is located at an upper part of the coal slurry sorting machine, and a tailings discharge port (4) is provided at the bottom of the coal slurry sorting machine; a water supplement pipe (5) is provided at the stirring space side of the coal slurry sorting machine; a horizontal stirring machine (7) and a grease scraping belt (8) are provided at the bottom of the grease scraping space; and the grease scraping belt (8) scrapes at the top the mixture of grease and coal and conveys same to the filter (9), and the coal enters the dryer (10) after the filter (9) separates the coal from the grease. The device and process use waste grease as a medium for coal slurry sorting, effectively utilizing waste grease. Furthermore, the process has a simple operation flow, wide application of coal, and low production costs, being suitable for industrial popularization.

Inventors:
ZHANG, Jilong (CN)
LI, Yingjie (CN)
PAN, Zhenyu (CN)
ZHANG, Luya (CN)
Application Number:
CN2020/087769
Publication Date:
December 30, 2020
Filing Date:
April 29, 2020
Export Citation:
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Assignee:
TAIYUAN UNIVERSITY OF TECHNOLOGY (CN)
International Classes:
B03D1/16; B03D1/008
Attorney, Agent or Firm:
KERUIDA PATENT AGENCY LTD, CO, TAIYUAN CITY (CN)
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