Method for storing upgraded coal, and grain-size-controlled coal

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United States of America Patent

PATENT NO 9856428
SERIAL NO

14431367

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Abstract

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A method for storing upgraded coal, which is economical and whereby it becomes possible to prevent the spontaneous ignition of piles; and grain-size-controlled coal which rarely undergoes spontaneous ignition during storage. The method for storing upgraded coal includes piling up granular coal containing upgraded coal, wherein the content of grains each having a grain size of 10 mm or less in the coal is 50 mass % or more. It is preferred that the content of grains each having a grain size of 1 mm or less is 25 mass % or more and the content of grains each having a grain size of 0.15 mm or less is 7 mass % or more in the coal.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL LTD )2-4 WAKINOHAMA-KAIGANDORI 2-CHOME CHUO-KU KOBE-SHI HYOGO 651-8585

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Murota, Motoharu Takasago, JP 2 1
Shigehisa, Takuo Takasago, JP 29 175
Takahashi, Yoichi Takasago, JP 81 482
Watanabe, Naoto Kobe, JP 195 2623
Yamamoto, Seiichi Takasago, JP 116 904

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