Title:
CYLINDRICAL GRANULAR FUEL, AND PREPARATION METHOD AND DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/2013/102339
Kind Code:
A1
Abstract:
Provided are a cylindrical granular fuel, and a preparation method and a device therefor. The cylindrical granular fuel is made by mixing crushed coal and cylindrical straw granules at a weight ratio of crushed coal to cylindrical straw granules of 1:0.15-0.7, the cylindrical granular fuel being shaped as solid cylinders. The method for preparing the cylindrical granular fuel comprises the steps of: 1. taking crushed coal for use; 2. crushing straw; 3. placing the crushed straw into a straw roller extruder to extrude the cylindrical straw granules; 4. mixing uniformly the crushed coal and cylindrical straw granules at the above ratio and then placing the mixture into a coal-straw mixed roller extruder to extrude the cylindrical granular fuel. Also provided are a straw roller extruder and a coal-straw mixed roller extruder used in the method for preparing the cylindrical granular fuel. The cylindrical granules extruded by mixing and extruding crushed coal and straw have a high level of hardness, are convenient to store and transport, can easily be burnt continuously, and can be used as an industrial fuel.
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Inventors:
KONG LINGZENG (CN)
Application Number:
PCT/CN2012/077191
Publication Date:
July 11, 2013
Filing Date:
June 20, 2012
Export Citation:
Assignee:
KONG LINGZENG (CN)
International Classes:
C10L5/08; B01J2/20; C10L5/44
Domestic Patent References:
| WO2007039233A1 | 2007-04-12 |
Foreign References:
| CN101372639A | 2009-02-25 | |||
| CN201020864Y | 2008-02-13 | |||
| CN101875245A | 2010-11-03 | |||
| CN101613632A | 2009-12-30 | |||
| US20100281767A1 | 2010-11-11 |
Attorney, Agent or Firm:
SHANDONG JINAN QILU SCIENCE PATENT OFFICE LTD (CN)
山东济南齐鲁科技专利事务所有限公司 (CN)
山东济南齐鲁科技专利事务所有限公司 (CN)
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Claims: