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An online blending method of crude oil for asphaltene control

A technology for asphaltenes and crude oil, applied in control/regulation systems, adaptive control, general control systems, etc., can solve problems such as poor efficiency and large fluctuations in asphalt production

Active Publication Date: 2015-09-16
南京富岛信息工程有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to propose an online crude oil blending optimization method oriented to asphaltene control in view of the problems of large production fluctuations and poor benefits in the asphalt production of refining and chemical enterprises

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  • An online blending method of crude oil for asphaltene control
  • An online blending method of crude oil for asphaltene control
  • An online blending method of crude oil for asphaltene control

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0042] In the following, the detailed calculation process and specific operation flow are given based on the actual implementation of the present invention in a certain refining and chemical enterprise and combined with a specific calculation example. The enterprise has 3 crude oil component tanks and 3 blending lines, and each blending line uses a blending component tank. The blending is carried out in batches, and a certain total amount is blended in each batch, and the next batch is blended after the blending of this batch is completed. This embodiment is implemented on the premise of the technical solution of the present invention, but the protection scope of the present invention is not limited to the following embodiments.

[0043] Assuming that the total amount of blending in this batch is w=10000t, the adjustable volume of 1# component oil stor...

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Abstract

The invention discloses a crude oil online blending optimization method facing to asphaltene control. The method is applied to the crude oil processing enterprises and comprises the following steps: under the condition of satisfying nonlinear constraint of the asphalt penetration index, selecting an optimal object to perform the optimization and blending, and computing to obtain the optimal blending formula. The crude oil online blending optimization method has the benefits of being capable of avoiding damage to the atmospheric and vacuum and subsequent processing device due to the crude oil property content change while guaranteeing that the asphalt temperature sensitivity index meets the quality requirement, and improving the production efficiency and economic benefit.

Description

technical field [0001] The invention relates to the field of crude oil processing, in particular to an optimization method of crude oil blending for asphalt production, in particular to an on-line crude oil blending method oriented to asphaltene control. Background technique [0002] In the petroleum and petrochemical industry, crude oil online blending optimization technology has begun to be applied. At present, this technology is mainly to control the sulfur content, acid content and naphtha yield of crude oil, so as to prevent the equipment corrosion of CDU (atmospheric and vacuum unit), At the same time, the requirements for secondary processing of crude oil are guaranteed. [0003] However, in the production of bitumen, in addition to the sulfur content, acid content and naphtha yield of crude oil, there are also strict requirements on the temperature sensitivity index of bitumen (bitumen penetration index). Since the bitumen penetration index is nonlinear, it is diffi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/00
Inventor 陈夕松张锐吴沪宁梅彬
Owner 南京富岛信息工程有限公司
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