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Method for filtering and removing catalyst powder in catalytic cracking oil slurry through ultrasonic irradiation

A catalytic cracking oil slurry and catalyst technology, which is applied in the fields of refining by filtration, petroleum industry, refining hydrocarbon oil, etc., can solve the problems affecting the processing capacity and processing cost, and achieve the advantages of saving operating costs, simple equipment, and stable equipment operation Effect

Inactive Publication Date: 2010-01-06
JIANGHAN UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Auxiliary settling can greatly improve the settling effect and shorten the settling time, but even so, the settling time is about 24 hours or even a few days, and the catalyst powder is enriched in the oil slurry at the bottom of the container, and it needs to be filtered and centrifuged. means to remove catalyst fines and recover oil slurry, all of which affect the treatment capacity and treatment cost

Method used

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  • Method for filtering and removing catalyst powder in catalytic cracking oil slurry through ultrasonic irradiation
  • Method for filtering and removing catalyst powder in catalytic cracking oil slurry through ultrasonic irradiation
  • Method for filtering and removing catalyst powder in catalytic cracking oil slurry through ultrasonic irradiation

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Experimental program
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Effect test

Embodiment 1

[0026] The properties of the catalytically cracked oil slurry used are shown in Table 1 above. For the good fluidity of the oil slurry, the catalytically cracked oil slurry was heated to 150° C. and pumped into the feed pipe 4 of the ultrasonic filtration device. like figure 1 As shown, the filter is composed of an upper cavity 2, a filter plate 3 and a lower cavity 6. The filter plate 3 is connected with the upper cavity 2 and the lower cavity 6 through a flange, and the lower cavity of the filter is connected together. The lower part of 6 is a cone 5. A feed pipe 4 perpendicular to the material flow direction is installed between the cone of the lower cavity and the filter plate, and a discharge pipe 7 perpendicular to the material flow direction is installed in the upper cavity. An ultrasonic transducer 8 is installed on the top of the upper cavity. The ultrasonic transducer 8 is connected with the ultrasonic generator 1. The irradiation direction of the ultrasonic transduc...

Embodiment 2

[0028] The properties of the catalytically cracked oil slurry used are shown in Table 1 above. For the good fluidity of the oil slurry, the catalytically cracked oil slurry was heated to 150° C. and pumped into the feed pipe 4 of the ultrasonic filtration device. like figure 2 As shown, the filter is composed of an upper cavity 2, a filter plate 3 and a lower cavity 6. The filter plate 3 is connected with the upper cavity 2 and the lower cavity 6 through a flange, and the lower cavity of the filter is connected together. The lower part of 6 is a cone 5. A feed pipe 4 perpendicular to the material flow direction is installed between the cone of the lower cavity and the filter plate, and a discharge pipe 7 perpendicular to the material flow direction is installed in the upper cavity. An ultrasonic transducer 8 is installed on the top of the upper cavity. The ultrasonic transducer 8 is connected with the ultrasonic generator 1. The irradiation direction of the ultrasonic transdu...

Embodiment 3

[0030] The properties of the catalytically cracked oil slurry used are shown in Table 1 above. For the good fluidity of the oil slurry, the catalytically cracked oil slurry was heated to 150° C. and pumped into the feed pipe 4 of the ultrasonic filtration device. like image 3 As shown, the filter is composed of an upper cavity 2, a filter plate 3 and a lower cavity 6. The filter plate 3 is connected with the upper cavity 2 and the lower cavity 6 through a flange, and the lower cavity of the filter is connected together. The lower part of 6 is a cone 5. A feed pipe 4 perpendicular to the material flow direction is installed between the cone of the lower cavity and the filter plate, and a discharge pipe 7 perpendicular to the material flow direction is installed in the upper cavity. An ultrasonic transducer 8 is installed on the top of the upper cavity. The ultrasonic transducer 8 is connected with the ultrasonic generator 1. The irradiation direction of the ultrasonic transduc...

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Abstract

The invention discloses a method for filtering and removing catalyst powder in catalytic cracking oil slurry through ultrasonic radiation. The catalytic cracking oil slurry containing the catalyst powder passes through a filter with filter media from bottom to top, wherein the oil slurry above the filter media of the filter is under the irradiation of a vertical ultrasonic field, and the irradiation direction is opposite to the flow direction of the oil slurry. The catalyst powder can be effectively separated from the catalytic cracking oil slurry by the method. The method has the advantages of large processing capacity and low processing cost.

Description

technical field [0001] The invention relates to a method for filtering and refining hydrocarbon oil, in particular to a method for filtering and removing catalyst powder in catalytic cracking oil slurry by ultrasonic irradiation. Background technique [0002] Catalytic Cracking Oil Slurry is referred to as FCC Oil Slurry, which is unconverted hydrocarbons with a boiling point >350℃ in the catalytic cracking process, which is rich in colloid and asphaltene, and has the characteristics of high viscosity and high density. According to relevant statistics, the amount of foreign oil rejection in our country accounts for 5%-10% of the treatment capacity of the device, and the annual amount of oil rejection is more than 75,000 tons. Therefore, how to process and utilize FCC oil slurry has become the key to the refinery. question. The oil slurry contains a large amount of heavy aromatic hydrocarbons and is a valuable chemical raw material, but it contains more than 2g / L of catal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G31/09C10G32/00
Inventor 余国贤吴学军
Owner JIANGHAN UNIVERSITY