コロナ放電界における高品位炭の回収に関する研究

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書誌事項

タイトル別名
  • Study on the Electrostatic Concentration of Low Ash Coal in Corona Field
  • コロナ ホウデンカイ ニ オケル コウヒンイタン ノ カイシュウ ニ カンスル ケンキュウ

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抄録

In order to recover the coal concentrates of low ash content, the electrostatic separation of coal in corona field was investigated by the Huff separator.<BR>From the experiments of the coal separation by the Huff separator in corona field, it is recognized that the coal particles which are extremely low in ash content are attracted to the surface of grounded roller, while the coal of high ash content is repelled from the roller. It is more successful in corona field to recover the coal concentrates of low ash content than in the field without corona discharge.<BR>From the measurements of conductivity of coal and electric charge of coal particles acquired in a electric field, the relation between conductivity and ash content was clarified. Furthermore, the mechanism of coal separation in a corona field was considered.

収録刊行物

  • 日本鑛業會誌

    日本鑛業會誌 78 (893), 817-822, 1962

    一般社団法人 資源・素材学会

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