METHOD FOR PRODUCING MOLDED SOLID FUEL

Title:

METHOD FOR PRODUCING MOLDED SOLID FUEL

Document Type and Number:

WIPO Patent Application WO/2014/175015

Kind Code:

A1

Abstract:

Disclosed is a method for producing a molded solid fuel, the method comprising: a pulverization step for pulverizing low-grade coal; a mixing step for obtaining a slurry by mixing said pulverized low-grade coal and a solvent oil; a dehydration step for obtaining a dehydrated slurry by heating and dehydrating said slurry; a solid-liquid separation step for obtaining a cake by separating said solvent oil from said dehydrated slurry; a drying step for obtaining powdery modified coal by heating said cake and further separating said solvent oil from said cake; a property adjustment step for obtaining a molding material made by blending, to said modified coal, 5-70 mass% of powdery coal for property adjustment with respect to the total mass of the molding material, said powdery coal for property adjustment having an aerated bulk density of 0.6 kg/L or greater and an angle of repose of 40° or less; and a molding step for obtaining a briquette-form molded solid fuel by pressurizing and molding said molding material.

Inventors:

TAKAHASHI YOICHI
KOUNO KAZUHIRO
NAKAGAWA TOMOKAZU
SHIGEHISA TAKUO
ADACHI TSUYOSHI

Application Number:

PCT/JP2014/059594

Publication Date:

October 30, 2014

Filing Date:

March 31, 2014

Export Citation:

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Assignee:

KOBE STEEL LTD (JP)

International Classes:

C10L5/08; C10L5/04; C10L9/00

Domestic Patent References:

WO2010041572A1	2010-04-15
WO2010044376A1	2010-04-22

Foreign References:

JPH07245209A	1995-09-19
JP2012219140A	2012-11-12
JP2010116544A	2010-05-27

Other References: