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Process method for regenerating asphalt activating agent by utilizing refined slurry oil

A technology of recycled asphalt and process method, which is applied in the petroleum industry, processing hydrocarbon oil, refining and cracking process treatment of multi-stage series connection, etc. The effect of improving economic efficiency

Pending Publication Date: 2022-05-06
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0007] The invention provides a process method for regenerating asphalt activator by using refining oil slurry to solve the problem of high cost of reusing existing waste and old asphalt, and at the same time solve the problem of utilization of by-product oil slurry in FCC process, the production process is simple and feasible

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  • Process method for regenerating asphalt activating agent by utilizing refined slurry oil
  • Process method for regenerating asphalt activating agent by utilizing refined slurry oil
  • Process method for regenerating asphalt activating agent by utilizing refined slurry oil

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Embodiment 1～10

[0028] Such as figure 1 Shown, the present invention utilizes refining oil slurry to regenerate the technological process of asphalt activator.

[0029] 1) The raw material of FCC is the hydrogenated residual oil produced by the upstream residual oil hydrogenation unit. Adjust the feed composition of the FCC process. It is not allowed to blend hydrogenated tail oil and unhydrogenated residual oil, that is, the feed is 100% hydrogenated The residual oil is subjected to a catalytic reaction at a reaction temperature of 510°C and a reaction pressure of 0.25 MPa. The reaction oil gas enters the FCC fractionation tower, and the temperature control of the sensitive plate of the FCC fractionation tower is detailed in Table 1;

[0030] 2) The bottom product of the FCC fractionation tower is sent to a membrane filter, and the filtration accuracy is controlled at 5 μm, and a flexible membrane filter is sufficient;

[0031] 3) Pass the filtered material into a heating furnace for heatin...

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Abstract

The invention discloses a process method for regenerating an asphalt activator by using refined slurry oil. The FCC process feed composition is adjusted, the feed is fully hydrogenated residual oil of a residual oil hydrogenation device, the temperature of a sensitive plate of a fractionating tower in an FCC is adjusted, and a fractionating tower product is fed into a membrane filter. Feeding the filtered material into an electric heating furnace, and stably controlling the temperature of the material. The heated material is fed into a vacuum separation tower, and the separation tower is kept at a certain vacuum degree; and the extraction of the separation tower comprises tower top extraction, side line extraction and tower bottom extraction. The tower top extraction returns to the FCC device, the side extraction returns to the residual oil hydrogenation device, and the tower bottom extraction is an asphalt activator product. The invention solves the problem of high cost of waste asphalt recycling in the prior art, and also solves the problem of utilization of the FCC process byproduct oil slurry, and the production process is simple and feasible.

Description

technical field [0001] The invention belongs to the technical field of asphalt activator production, and in particular relates to a new process for producing asphalt activator by using refining oil slurry as a raw material. Background technique [0002] If the asphalt concrete pavement is exposed to the outdoor environment for a long time, damage such as rutting, cracking, and potholes will occur, which will deteriorate the road performance of the asphalt pavement and affect driving safety. At present, seriously damaged pavements need to be rebuilt by milling and then paving. This maintenance method will generate a large amount of waste asphalt mixture. If these waste asphalt mixtures are not properly disposed of and discarded, it will not only pollute the environment, but also be a great waste of resources. Therefore, how to recycle and reuse waste road surface milling materials is a technology that needs to be solved urgently. [0003] Asphalt activator can be used to re...

Claims

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Application Information

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IPC IPC(8): C10G55/06
CPCC10G55/06C10G2300/4006C10G2300/4012
Inventor 王俊华许艾娜周立新彭轶武文斌何艺
Owner CHINA PETROLEUM & CHEM CORP
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