Title:
SOLID FUEL PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/037809
Kind Code:
A1
Abstract:
The present invention addresses the issue of providing a production method for solid fuel, whereby a solid fuel having relatively high strength can be obtained. This production method for solid fuel compresses and molds coal-based powdered fuel and comprises: a step in which a binding coal powder having greater binding properties than the coal-based powdered fuel is mixed into the coal-based powdered fuel; a step in which a feeding hopper having a feed screw is used to supply the mixture obtained in the mixing step to a compression and molding machine; and a step in which the mixture is compressed and molded by the compression and molding machine. The loose bulk density of the mixture relative to the consolidated bulk density thereof is no more than 0.8 and the ratio between the spatial density of one lap of the lower end of the execution part of the feed screw in the feeding hopper and the spatial density of one lap of the upper end of the execution part of the feed screw is 0.3-0.6.
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Inventors:
TAKAHASHI YOICHI
NAKAGAWA TOMOKAZU
NAKAGAWA TOMOKAZU
Application Number:
PCT/JP2017/026685
Publication Date:
March 01, 2018
Filing Date:
July 24, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
C10L5/08; C10L5/04
Domestic Patent References:
| WO2012137956A1 | 2012-10-11 | |||
| WO2015098935A1 | 2015-07-02 |
Foreign References:
| JPH11123598A | 1999-05-11 | |||
| JPS5481301A | 1979-06-28 | |||
| JP2014040570A | 2014-03-06 |
Attorney, Agent or Firm:
AMANO Kazunori (JP)
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