Process for coproducing aromatic oil, asphalt and fuel oil

A technology for aromatic hydrocarbon oil and fuel oil, applied in the petroleum industry, hydrocarbon distillation and other directions, can solve the problems of waste, low actual utilization efficiency of oil slurry, etc., and achieves ease and control of operating conditions, strong output scale scalability, and short process flow. Immediate and continuous effects

Inactive Publication Date: 2012-01-04
SUZHOU INDAL PARK DAHUA GASOLINEEUM
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Problems solved by technology

[0005] There are many choices of various process methods, and the actual utilization efficiency o

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  • Process for coproducing aromatic oil, asphalt and fuel oil
  • Process for coproducing aromatic oil, asphalt and fuel oil

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Embodiment Construction

[0014] In order to make full use of the catalytic oil slurry resources in the domestic market and produce high value-added products, technical research was carried out by a special organization, the properties of the catalytic oil slurry produced by multiple factories were analyzed, and several research tests were carried out to grasp its characteristics. Combined with the existing The current situation of the production device, through trial production, the author of the present invention has successfully developed a new process for the co-production of aromatic oil and finished asphalt by catalytic oil slurry continuous distillation.

[0015] Such as figure 1 Shown is a schematic flow chart of the co-production process using catalytic oil slurry in the present invention. It can be seen from the figure that the present invention uses catalytic oil slurry as raw material to obtain fuel oil, aromatic oil and asphalt products by continuous vacuum distillation. The specific proc...

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Abstract

The invention discloses a process for coproducing aromatic oil, asphalt and fuel oil by under-pressure distillation of catalytic oil slurry, which comprises the following steps: storing catalytic oil slurry which is a byproduct of catalytic cracking of heavy oil in a raw material tank, conveying the catalytic oil slurry to a heating furnace by using a pump, heating to 350 to 380 DEG C, allowing the heated catalytic oil slurry to enter a reduced-pressure distillation tower continuously, vacuumizing the reduced-pressure distillation tower to keep the vacuum pressure below 40mmHg, and obtaining fuel oil, aromatic oil and asphalt in turn from the lateral line and tower bottom of distillation tower through continuous reduced-pressure distillation. In the invention, the process flow is short, direct and continuous, the operation conditions are mild and easy to control, the scalability of the yield scale is high, the aromatic oil, fuel oil and asphalt, which have high added value and meet high market-oriented demands, can be coproduced by using rice and accumulated catalytic oil slurry resource, and the comprehensive utilization efficiency of catalytic oil slurry is improved; meanwhile, the coproducing process is free from discharge of harmful gases, the cooling water is circularly utilized and the discharge of waste water is limited.

Description

technical field [0001] The invention belongs to the field of oil refining and petrochemical industry, and relates to oil refining, comprehensive utilization and further processing of by-products of oil refining and chemical industry. Background technique [0002] Heavy oil catalytic cracking technology has been continuously applied and developed in China, and the quantity of by-product catalytic oil slurry produced by catalytic cracking units is increasing, and its market sales trend is not very satisfactory. At present, most refineries mix catalytic oil slurry into fuel oil, and a few refineries use oil slurry as a component of asphalt blending. These practices have failed to make good use of this precious oil resource. Catalyst oil slurry mixed with fuel oil, due to the residual catalyst powder, will easily cause blockage of the furnace nozzle, equipment abrasion and pipeline coking during the combustion process, which are not easy to solve. [0003] Foreign countries pay...

Claims

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Application Information

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IPC IPC(8): C10G7/00
Inventor 贾岳亭
Owner SUZHOU INDAL PARK DAHUA GASOLINEEUM
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