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ASPHALT MIXTURE MANUFACTURING METHOD AND ASPHALT PLANT
To provide an asphalt mixture manufacturing method and asphalt plant capable of reducing CO2 emissions generated during the production of an asphalt mixture.SOLUTION: An asphalt mixture manufacturing method includes: a new aggregate drying step P5 and a recycled aggregate drying step P6, which of drying both new aggregate and recycled aggregate in a drying furnace; and a mixing step P13 of mixing with asphalt both the new aggregate and the recycled aggregate dried in the new aggregate drying step P5 and the recycled aggregate drying step P6. The asphalt mixture manufacturing method further includes: a CO2 recovery step P7, which of separating and recovering CO2 from an exhaust gas EG generated in the new aggregate drying step P5 and the recycled aggregate drying step P6; a new aggregate fixing step P9 and a recycled aggregate fixing step P10 of fixing the CO2 recovered in the CO2 recovery step P7 to the new aggregate or the recycled aggregate; and a new aggregate supply step P11 and recycled aggregate supply step of supplying the new aggregate and the recycled aggregate fixed with the CO2 to the drying furnace.SELECTED DRAWING: Figure 1
【課題】アスファルト混合物を製造する際に発生するＣＯ２の排出を削減することが可能な、アスファルト混合物の製造方法及びアスファルトプラントを提供する。【解決手段】アスファルト混合物の製造方法は、新骨材及び再生骨材を乾燥炉により乾燥する新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６と、新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６で乾燥させた新骨材及び再生骨材をアスファルトと混合する混合工程Ｐ１３と、を備えたアスファルト混合物の製造方法であり、新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６で発生した排ガスＥＧからＣＯ２を分離して回収するＣＯ２回収工程Ｐ７と、ＣＯ２回収工程Ｐ７で回収したＣＯ２を前記新骨材又は再生骨材に固定する新骨材固定工程Ｐ９及び再生骨材固定工程Ｐ１０と、ＣＯ２が固定された新骨材及び再生骨材を前記乾燥炉に供給する新骨材供給工程Ｐ１１及び再生骨材供給工程と、を備えている。【選択図】 図１
ASPHALT MIXTURE MANUFACTURING METHOD AND ASPHALT PLANT
To provide an asphalt mixture manufacturing method and asphalt plant capable of reducing CO2 emissions generated during the production of an asphalt mixture.SOLUTION: An asphalt mixture manufacturing method includes: a new aggregate drying step P5 and a recycled aggregate drying step P6, which of drying both new aggregate and recycled aggregate in a drying furnace; and a mixing step P13 of mixing with asphalt both the new aggregate and the recycled aggregate dried in the new aggregate drying step P5 and the recycled aggregate drying step P6. The asphalt mixture manufacturing method further includes: a CO2 recovery step P7, which of separating and recovering CO2 from an exhaust gas EG generated in the new aggregate drying step P5 and the recycled aggregate drying step P6; a new aggregate fixing step P9 and a recycled aggregate fixing step P10 of fixing the CO2 recovered in the CO2 recovery step P7 to the new aggregate or the recycled aggregate; and a new aggregate supply step P11 and recycled aggregate supply step of supplying the new aggregate and the recycled aggregate fixed with the CO2 to the drying furnace.SELECTED DRAWING: Figure 1
【課題】アスファルト混合物を製造する際に発生するＣＯ２の排出を削減することが可能な、アスファルト混合物の製造方法及びアスファルトプラントを提供する。【解決手段】アスファルト混合物の製造方法は、新骨材及び再生骨材を乾燥炉により乾燥する新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６と、新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６で乾燥させた新骨材及び再生骨材をアスファルトと混合する混合工程Ｐ１３と、を備えたアスファルト混合物の製造方法であり、新骨材乾燥工程Ｐ５及び再生骨材乾燥工程Ｐ６で発生した排ガスＥＧからＣＯ２を分離して回収するＣＯ２回収工程Ｐ７と、ＣＯ２回収工程Ｐ７で回収したＣＯ２を前記新骨材又は再生骨材に固定する新骨材固定工程Ｐ９及び再生骨材固定工程Ｐ１０と、ＣＯ２が固定された新骨材及び再生骨材を前記乾燥炉に供給する新骨材供給工程Ｐ１１及び再生骨材供給工程と、を備えている。【選択図】 図１
ASPHALT MIXTURE MANUFACTURING METHOD AND ASPHALT PLANT
アスファルト混合物の製造方法及びアスファルトプラント
YAMASHITA SHINJI (author)
2021-05-20
Patent
Electronic Resource
Japanese
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