成果報告書詳細
管理番号20150000000248
タイトル*平成26年度中間年報 バイオマスエネルギー技術研究開発 戦略的次世代バイオマスエネルギー利用技術開発事業 (実用化技術開発) 原料の生産・調達、ペレット燃料製造の研究開発
公開日2015/9/1
報告書年度2014 - 2014
委託先名トヨタ自動車株式会社 株式会社北川鉄工所
プロジェクト番号P10010
部署名新エネルギー部
和文要約
英文要約Title: Development of Technology for Raw Material Production, Supply and Fuel Pellet Production

Supplying low cost and stable biomass fuel with a high energy density and stable quality is essential to promoting biomass power generation. Reduced transportation and storage costs are a priority issue because biomass is distributed in wide areas, has low bulk density and is seasonal.
Agricultural residues of multiple types and herbaceous plants cultivated on unused land in small areas are being utilized for the development of biomass production and supply system. Multiple types of biomass are being processed using fuel pellet manufacturing technology developed in this research and development.
Although there is much agriculture residues, it is difficult to utilize for biomass fuel pellet directly because agriculture residues have high water content. Drying method for major agriculture residues was developed. Drying speed of some residues increased by crushing before sundry. Many residues were dried in one or two weeks with plastic cover at the time of rain or night.
The unused agricultural residues have a merit such as not competing with food production, but there are problems that there is little quantity to collect from the certain area. It is possible to reduce the collection area by cultivating high yield herbaceous plants, Napier grass, on the unused land in the certain area. Napier grass was cultivated between the rows of three kinds of tree for paper manufacture and three kinds of tree for timber. The dry yield of Napier grass was 30t - 50t /ha in the first year.
Some kind of agricultural residues need coarse crushing before pelletizing. It is necessary to optimize the crushing size because the load of pelleting machine increases if the crushing size is too rough. The coarse crusher was tested for the examination with pelletizer.
Some type of die for pelletizer was tested to mold pellet from several kinds of material. Relationship between the length of hole in the die and the molding speed was different among the material.
Pellet production facility with loading facility was produced and tested to establish the production condition of pellet from several kinds of materials. Production speed was over than 1.2 t / hour, and electricity consumption was almost 100 kW.
Some of agricultural residues was analyzed the heating value and component to adapt to biomass power generation. Heating value of three kinds of residues was almost same with palm kernel shell (PKS). Content of chlorine, sulfur, sodium and potassium of the residues was almost same with PKS or less than PKS.
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