Biomass granular fuel

Abstract

The invention discloses a biomass granular fuel. The biomass granular fuel is prepared via uniform mixing of following materials and compression moulding of an obtained mixture. The materials comprise, by mass, 50 to 60% of biomass carbon powder, 30 to 40% of municipal organic solid garbage fragment, 1 to 10% of coal dust, 1 to 2% of coal tar, 0.2 to 0.5% of a sulfur fixing agent, and 0.1 to 0.3% of ferrous sulphate. The outer surface of the biomass granular fuel is coated with a layer of biomass polyester. According to the biomass granular fuel, organic combination of biomass energy, mineral fuel, and municipal organic solid garbage is realized; the obtained biomass granular fuel is excellent in caking ability, high in combustion value, and low in combustion pollution, and is beneficial for construction of ecological environment; sulfur dioxide and fly ash are hardly generated; and the outer surface of the biomass granular fuel is coated with a layer of biomass polyester, so that storage and transportation of the biomass granular fuel is convenient, and fragmentation of particles is not easily caused.

Description

technical field [0001] The invention relates to the field of new energy fuels, in particular to an environmentally friendly and pollution-free biomass particle fuel. Background technique [0002] At present, with the emergence of the energy crisis worldwide and the increasingly serious environmental problems caused by the massive use of fossil fuels, countries all over the world pay more and more attention to the development and utilization of biomass energy. [0003] Biomass solid fuel is a way of utilization of biomass energy, and its production raw materials are forestry "three leftovers" (wood processing residues, forest harvesting residues, wood making residues), various wood scraps, wood waste , crop straw, and shrubs. The production process is to process the biomass raw material with loose texture and low capacity density through crushing, drying and other processes, and then process it into biomass solid particle fuel through ring molding and pressing roller extrusi...

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Problems solved by technology

[0006] However, judging from the content disclosed in the prior art, the effect of using lignin alone as a binder is not good, and the granular fuel is easily broken during transportation, and the fuel combustion performance of the fuel made from biomass materials alone It is also lower than that of fossil fuels, and the combustion furnaces used in China have not been able to fully utilize the combustion heat of this biomass pellet fuel, resulting in heat loss

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