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Separation method for solid particles in catalytic slurry oil

A technology for catalyzing oil slurry and solid particles, applied in the petrochemical field, can solve the problems of non-continuous production and poor separation method, and achieve the effects of complete separation, easy operation and fast speed.

Active Publication Date: 2012-07-18
李志英 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, it is necessary to address the above problems and provide a method for separating the solid particles of the catalytic oil slurry, which solves the problems that the existing separation methods have poor effects and cannot be continuously produced, and realizes the complete separation of the catalyst powder and the oil slurry

Method used

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  • Separation method for solid particles in catalytic slurry oil
  • Separation method for solid particles in catalytic slurry oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] (1) Heat treatment: use a heater to heat the high solid content catalytic oil slurry with catalyst powder to 100°C

[0048] (2) Additive mixing: In the mixing tank, add a special additive with a slurry content of 5%, and stir moderately to make the slurry form a completely random mixed flow, with a flow rate of 37 m / s, and stir for 20 minutes to make the catalyst powder interact with each other. impact coalescence;

[0049] (3) Solid-liquid separation: use a plate-and-frame filter press to separate, so as to obtain low-ash catalytic oil slurry and form solid slag from catalyst dust to precipitate.

Embodiment 2

[0051] (1) Heat treatment: use a heater to heat the high solid content catalytic oil slurry with catalyst powder to 150°C

[0052] (2) Additive mixing: In the mixing tank, add a special additive with an oil slurry content of 1%, and carry out moderate stirring to make the oil slurry form a completely random mixed flow, with a flow rate of 25 m / s, and stir for 40 minutes to make the catalyst powder interact with each other impact coalescence;

[0053] (3) Solid-liquid separation: use a plate-and-frame filter press to separate, so as to obtain low-ash catalytic oil slurry and form solid slag from catalyst dust to precipitate.

Embodiment 3

[0055] (1) Heating treatment: use a heater to heat the high solid content catalytic oil slurry with catalyst powder to 200°C

[0056](2) Additive mixing: In the mixing tank, add a special additive with a slurry content of 3%, and stir moderately to make the slurry form a completely random mixed flow, with a flow rate of 30 m / s, and stir for 30 minutes to make the catalyst powder interact with each other. impact coalescence;

[0057] (3) Solid-liquid separation: use a plate-and-frame filter press to separate, so as to obtain low-ash catalytic oil slurry and form solid slag from catalyst dust to precipitate.

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Abstract

The invention relates to a separation method for solid particles in catalytic slurry oil and belongs to the technical field of petrochemical complex. Special assistant is added into the high-solid-content catalytic slurry oil and is stirred and mixed reasonably; and then solid-liquid separation equipment is adopted to conduct separation effectively, so as to obtain lower-ash-content and good-quality catalytic slurry oil. The invention has the advantages that the process and the equipment are simple, the operation is easy, the production is continuous, and the solid-liquid separation is complete, so as to obtain the lower-ash-content and good-quality catalytic slurry oil and broaden the application range of the lower-ash-content and good-quality catalytic slurry oil.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, in particular to a method for separating solid particles of catalytic oil slurry. Background technique [0002] Catalytic oil slurry is the remaining part of crude oil after catalytic cracking and catalytic cracking, accounting for about 10% of processed crude oil, which contains a large number of solid particles. In the prior art, the catalytic oil slurry is only used as a fuel oil blending component or a raw material for producing petroleum coke, and the added value is not high. However, the catalytic oil slurry containing a large amount of condensed aromatic hydrocarbons is an excellent raw material for the production of carbon products such as carbon fiber, carbon black oil, and needle coke. But the solid particles in the catalytic oil slurry affect its use. The solid particles in the catalytic oil slurry mainly come from the entrainment of catalyst powder in the reactor. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G53/02
Inventor 李志英何宏鹰卢振旭
Owner 李志英
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