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Environment-protecting granular wooden fuel and its production process

A wood pellet and fuel technology, applied in the field of wood pellet fuel and its molding process, can solve the problems of high product cost, expensive, complicated process, etc., and achieve energy saving and boiler equipment investment, product cost reduction, and low production cost. Effect

Inactive Publication Date: 2005-07-13
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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Problems solved by technology

[0002] At present, due to the reduction of non-renewable energy sources, my country is paying more and more attention to the utilization of renewable biomass energy, but the introduction of the entire technology and complete sets of equipment is expensive
Some domestic research institutes have conducted relevant research and achieved some results, but the production process is relatively complicated, and additives such as adhesives and combustion accelerants must be added in a certain proportion to produce qualified wood pellets. The technology in the production process The requirements are high, resulting in high product costs, and the addition of additives will cause a certain degree of pollution to the environment, which will affect its popularization and application

Method used

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  • Environment-protecting granular wooden fuel and its production process
  • Environment-protecting granular wooden fuel and its production process

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Embodiment Construction

[0031] 1. Equipment installation method

[0032] see figure 2, Slicer 4, Airflow Dryer 7, Coarse Material Cyclone Separator 8, Pulverizer 10, Air Conveyor 11, Powder Material Cyclone Separator 12, Powder Material Storage Hopper 14, Powder Material Elevator 15, Granulator 16, The hot granule elevator 18, the cooling and screening combination machine 19, the cold granule elevator 22, the finished granule storage hopper 23, and the packing machine 24 are connected according to the process sequence, and the coarse material cloth bag 9 is connected to the air outlet of the coarse material cyclone separator 8, and the powder The cloth bag 13 is connected to the air outlet of the powder material cyclone separator 12 . Auxiliary equipment: Ventilation equipment 27 is installed at the vent of the factory building, and the air inlet of the dust removal cyclone separator 25 is connected to the equipment that needs dust removal, such as powder storage hopper 14, powder hoist 15, granula...

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Abstract

The present invention relates to granular wooden fuel and its production process, and features utilizing waste timber and forest cutting leftover as material. The production process includes cutting the raw material into coarse material, drying in airflow drier to certain water content, crushing into powder, pelletizing, granulating without adding additive through extrusion, cooling and sieving, backing the undersize to pelletizing step, packing the product. The said production process has low cost.

Description

technical field [0001] The invention belongs to the wood particle fuel and its molding process in the application field of bioenergy. Background technique [0002] At present, due to the reduction of non-renewable energy sources, my country is paying more and more attention to the utilization of renewable biomass energy, but the introduction of the entire technology and complete sets of equipment is expensive. Some domestic research institutes have conducted relevant research and achieved some results, but the production process is relatively complicated, and additives such as binders and combustion accelerants must be added in a certain proportion to produce qualified wood pellets. The technology in the production process The requirements are high, which leads to high product cost, and the addition of additives causes a certain degree of pollution to the environment, which affects its popularization and application. Contents of the invention [0003] The purpose of the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30
Inventor 陈喜龙李际平谭跃辉王义强严永林黄卫文
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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