An Investigation on Thermal Recycling of Recycled Plastic Resin : Combustion Characteristics of Polyethylene Terephthalate Resin Powder in a High Temperature Oxidizing Atmosphere(<Special Issue>Experimental Mechanics in Heat and Fluid Flow)
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概要
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Thermal recycling of recycled plastic resin is focused in this investigation. Fine grinding of plastic resin and preparation of high temperature oxidizing atmosphere are indispensable for effective and successful burn-up of plastic resin. Polyethylene terephthalate resin powder is employed and high temperature oxidizing atmosphere is generated downstream an annular burner. Through a circular nozzle set coaxially in the closed bottom end of the annular burner, PET-powder and propane-air mixture are issued vertically upward into the high temperature oxidizing atmosphere. Temperature and O_2 concentration fields downstream the annular burner are first examined by varying the circular jet equivalence ratio with the air flow rate kept constant and without PET-powder supply. PET-powder having a mass-median diameter of either 89.7μm or 145μm is then issued into the high temperature region along with propane-air mixture by varying the PET-powder mass flow rate. Appearances of the PET-powder flame are observed using a high-speed CCD video camera and unburnt PET particles are traced during their passages in the high temperature region. Variation of O_2 concentration fields due to PET-powder combustion is also measured in the PET flame. According to the results, overall limit conditions for effective burn-up of PET-powder are finally discussed.
- 一般社団法人日本機械学会の論文
- 2005-02-15
著者
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OHIWA Norio
Graduate School of Engineering, Nagoya Institute of Technology
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ISHINO Yojiro
Graduate School of Engineering, Nagoya Institute of Technology
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Ohiwa N
Nagoya Inst. Technol. Nagoya Jpn
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Ohiwa Norio
Graduate School Of Engineering Nagoya Inst. Of Technol.
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Ohiwa Norio
Department Of Mechanical Engineering Nagoya Institute Of Technology
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Miura Katsuya
Graduate School Of Engineering Nagoya Institute Of Technology
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Ishino Yojiro
Graduate School Of Engineering Nagoya Institute Of Technology
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YAMAKITA Ryuji
Graduate School of Engineering, Nagoya Institute of Technology
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Yamakita Ryuji
Technical Company Ishizuka Glass Co. Ltd.
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Ishino Yojiro
Nagoya Institute Of Technology
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Oiwa Norio
Graduate School of Engineering, Nagoya Institute of Technology
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