廃棄プラスチック樹脂のサーマルリサイクルに関する研究 : PFT樹脂粉末の助燃率およびメディアン直径が炉内燃焼特性に及ぼす影響(熱工学,内燃機関,動力など)

概要

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In order to examine the possibility of thermal recycling of waste PET-bottles, a commercial LPG-fueled ceramic burner has been first improved to burn PET-resin powder as an auxiliary fuel and then the combustion characteristics have been investigated by varying the setting conditions of PET-powder supply. According to the results, the improved burner exhibited reasonable combustion properties comparable to the original LPG-fueled ceramic burner, being experimental certification of the possibility and availability of the proposed idea, and the use of PET-resin powder as an auxiliary fuel in a ceramic kiln furnace was found to be efficient from the viewpoint of saving energy resources and attaining low environmental impact. In this paper, under the fixed conditions of a total heat input of 11.6kW and an overall equivalence ratio of 0.8, combustion characteristics of the improved burner are experimentally investigated in the model ceramic kiln furnace by varying the auxiliary burning rate and the mass median diameter of PET powder. Brief qualitative consideration about the behavior of unburnt PET particles is also made by transforming the histograms of PET particle mass mean diameter into the number distributions of virtual spherical PET particles.
一般社団法人日本機械学会の論文
2005-11-25