Unlock instant, AI-driven research and patent intelligence for your innovation.

Processing method and system for inferior crude oil

A low-quality raw material oil and processing method technology, which is applied in the petroleum industry, hydroprocessing process, and hydrocarbon oil treatment, can solve the problems of difficult to handle acid residue, large solvent consumption, and high energy consumption, so as to increase pressure and save fuel oil. The effect of reducing the energy consumption of gas compressors and devices

Active Publication Date: 2017-10-20
CHINA PETROLEUM & CHEM CORP +1
View PDF10 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Non-hydrogenation treatment mainly adopts acid-base refining, such as patent Chinese patent CN101967389A, acid-base refining will not only produce a large amount of acid residue that is difficult to handle, pollute the environment, but also have a low yield of refined oil; although some researchers have explored the use of single solvent or Multi-solvent extraction and refining method, such as patent Chinese patent CN1746265A, but there are still problems such as large solvent consumption and high energy consumption
With the improvement of environmental protection requirements, the emission standards for light fuel oil combustion exhaust at home and abroad continue to increase, and the restrictions on the sulfur, nitrogen and aromatic content of light fuel oil for vehicles are lower, so it is very easy to use non-hydrogenation treatment. Difficult to meet

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Processing method and system for inferior crude oil
  • Processing method and system for inferior crude oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0057] A specific implementation, the moving bed reactor can be as figure 1 Arranged in parallel with the regenerator 15 as shown, it can also be as figure 2 As shown, the regenerator is overlapped with the vertical direction, and the moving bed reactor can be placed under the regenerator 15 or above the regenerator 15; two or more moving bed reactors can also be set according to processing requirements, and multiple moving bed reactors Reactors can also be connected in series, parallel or in combination. For example, if figure 2 As shown, the moving bed reactor and the regenerator 15 are vertically placed, the moving bed reactor is below the regenerator 15, and the diameter expansion section of the upper section of the moving bed reactor is the hydrogen adsorption zone I.

[0058] According to a specific embodiment of the present invention, the hydrogen adsorption zone I can be located above the cracking zone II, and the first catalytic cracking catalyst inlet can be loca...

Embodiment 1

[0072] This example follows figure 1 The test was carried out according to the flow chart, shale oil A was used as the raw material for catalytic cracking, and the test was carried out on a small continuous regenerating moving bed reactor. The reactor and the regenerator were arranged side by side. Two catalytic cracking catalysts, the micro-reaction activity (MAT) of CAT-2 balancing agent is 64, and the diameter of the upper part of the reactor is expanded (the inner diameter of the hydrogen adsorption zone I is 0.04 meters, and the length is 0.20 meters, and the diameter of the cracking zone II is 0.02 meters. , with a length of 1.80 meters), injecting cold hydrogen into the hydrogen adsorption zone I as a cooling medium to cool the first catalytic cracking catalyst. After being preheated at 300°C, shale oil A enters the top of hydrogen adsorption zone I where the diameter of the moving bed reactor expands. Ethylene, etc.) flows from top to bottom as a hydrogen-containing g...

Embodiment 2

[0079] This example follows figure 2 The flow process of the test is carried out, and the residual oil B is used as the raw material of catalytic cracking, and the test is carried out on a small-scale continuous regeneration moving bed reactor. 0.04m, length 1.40m, cracking zone II diameter is 0.02m, length 0.90m), CAT-2 is used as the first catalytic cracking catalyst and the second catalytic cracking catalyst at the same time, the balancer MAT is 65, in the hydrogen The heat-taking coil is arranged in the adsorption zone and the first catalytic cracking catalyst is cooled with water as the cooling medium. Residue B is preheated at 260°C and enters the top of hydrogen adsorption zone I where the diameter of the moving bed reactor expands. Hydrogen-containing gas flows from top to bottom, H 2 The volume ratio of raw oil is 200, and the adsorption reaction is carried out under the conditions of adsorption temperature 300°C, weight ratio of the first catalytic cracking cataly...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a processing method and system for inferior crude oil. The method comprises the steps as follows: a, feeding hydrogen-containing gas and the inferior crude oil into a hydrogen absorption zone (I) of a moving bed reactor for contact with a first catalytic cracking catalyst and a hydrogen adsorption reaction to obtain a hydrogen absorption product; b, feeding the hydrogen absorption product obtained in the step a into a cracking zone (II) of the moving bed reactor for contact with a second catalytic cracking catalyst and a catalytic cracking reaction to obtain catalytic cracked oil-gas. The inferior crude oil processed by the system with the method has the advantages that the conversion rate of the inferior crude oil can be increased substantially, the yield of dry gas and coke is reduced, and accordingly, efficient use of the inferior crude oil resources is realized.

Description

technical field [0001] The invention relates to a processing method and system for inferior raw material oil. Background technique [0002] With the shortage of petroleum resources and the increasing demand for high-quality gasoline, diesel and low-carbon olefins, the processing technology of inferior raw material oils such as coal liquefied oil, oil sand oil, and inferior and heavy petroleum products has attracted more and more attention. Inferior raw material oil, coal liquefied oil, oil sand oil, etc., are similar to natural petroleum, but contain more unsaturated hydrocarbons than natural petroleum, and contain non-hydrocarbon organic compounds such as nitrogen, sulfur and oxygen, which not only affect their secondary processing use, but also affect the color and stability of gasoline and diesel products, with high sulfur and nitrogen content. At present, except for a small amount of production of chemicals, inferior raw material oil is mostly sold as light fuel oil wit...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C10G67/02
CPCC10G67/02
Inventor 唐津莲龚剑洪李泽坤
Owner CHINA PETROLEUM & CHEM CORP