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Preparation method of plant hot recycled asphalt mixture containing recycling agent
The invention discloses a preparation method of a plant hot recycled asphalt mixture containing a recycling agent. The method comprises the following steps: (1) heating RAP and adding the heated RAP into a mixing cylinder NO.1; (2) heating the recycling agent, adding the heated recycling agent into a mixing cylinder for the product obtained in the step (1) and mixing; (3) heating new aggregates and adding the heated new aggregates into a mixing cylinder NO.2; (4) heating a first part of new asphalt, adding the heated new asphalt into a mixing cylinder for the product obtained in the step (3) and mixing; (5) transferring the product obtained in the step (2) to a mixing cylinder for the product obtained in the step (4), adding the surplus new asphalt and mixing; (6) adding mineral powder into a mixing cylinder for the product obtained in the step (5) and mixing; and (7) getting the mixture obtained in the step (6) out of a pot and forming. The method has the advantages of easiness for realization, high recycling efficiency of wastes, less use amount of new asphalt, uniformity of recycled mixture, high performance and capability of effectively preventing the occurrence of grey materials in the recycled mixture.
Preparation method of plant hot recycled asphalt mixture containing recycling agent
The invention discloses a preparation method of a plant hot recycled asphalt mixture containing a recycling agent. The method comprises the following steps: (1) heating RAP and adding the heated RAP into a mixing cylinder NO.1; (2) heating the recycling agent, adding the heated recycling agent into a mixing cylinder for the product obtained in the step (1) and mixing; (3) heating new aggregates and adding the heated new aggregates into a mixing cylinder NO.2; (4) heating a first part of new asphalt, adding the heated new asphalt into a mixing cylinder for the product obtained in the step (3) and mixing; (5) transferring the product obtained in the step (2) to a mixing cylinder for the product obtained in the step (4), adding the surplus new asphalt and mixing; (6) adding mineral powder into a mixing cylinder for the product obtained in the step (5) and mixing; and (7) getting the mixture obtained in the step (6) out of a pot and forming. The method has the advantages of easiness for realization, high recycling efficiency of wastes, less use amount of new asphalt, uniformity of recycled mixture, high performance and capability of effectively preventing the occurrence of grey materials in the recycled mixture.
Preparation method of plant hot recycled asphalt mixture containing recycling agent
LIU LIPING (author) / SHAO HUIJUN (author)
2015-07-15
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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