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A method for judging maintenance and update of octane number model

An octane number and model technology, which is applied in the field of gasoline property detection in oil refining enterprises, can solve the problems of inaccurate prediction, limited octane number range of blended gasoline or blended component oil, and inability to provide correct guidance by production personnel. Achieve the effect of saving time and human resources and improving prediction accuracy

Active Publication Date: 2018-01-23
南京富岛信息工程有限公司
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Problems solved by technology

However, in general, the range of octane number of blended gasoline or blended component oil covered by the prediction model is limited and cannot cover all situations
When the production process changes, the octane number of gasoline or blended oil may exceed the range of the prediction model, resulting in inaccurate predictions and unable to provide correct guidance to production personnel

Method used

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  • A method for judging maintenance and update of octane number model
  • A method for judging maintenance and update of octane number model
  • A method for judging maintenance and update of octane number model

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings and examples of implementation.

[0039] The present invention provides a detailed calculation process and a specific operation process based on the actual implementation of the gasoline blending business of a certain refining and chemical enterprise and in combination with a specific calculation example. The company currently participates in the blending of component oils such as S_Zrob gasoline, hexane pumice, reforming raffinate, MTBE, etc., and the blended oil includes Guo V92 # 、95 # Heguo IV93 # 、97 # , in order to provide an effective control basis for blending production, the company currently uses near-infrared spectroscopy quantitative analysis technology to predict the properties of component oils and blended gasoline. However, due to the instability of the production equipment, the octane number of S_Zrob gasoline, hexane pumice, reformed raffinate, MTBE an...

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Abstract

The invention discloses a method for judging the maintenance and update of an octane number model, which is characterized in that the spectral distance threshold is used as a cut-off point to judge whether the sample to be tested is a sample outside the model boundary, and if so, an alarm is issued to remind the staff to update the existing model Perform maintenance updates. After receiving the alarm signal, the staff will conduct a standard test on the current component to be tested and add it to the model to improve the prediction accuracy of the model. Compared with the traditional regularly scheduled maintenance and update method, the on-demand maintenance and update method proposed by the present invention greatly saves time and human resources on the premise of ensuring the prediction accuracy of the model.

Description

technical field [0001] The invention relates to gasoline property detection in oil refining enterprises, in particular to the maintenance of a gasoline property prediction model, in particular to a method for judging the maintenance and updating of an octane number model. Background technique [0002] Near-infrared spectroscopy quantitative analysis technology, also known as "black box" analysis technology, is an indirect measurement method, that is, a prediction model is established by correlating the sample spectrum with its quality parameters, and then the sample spectrum with unknown quality parameters to predict the composition and properties of samples. [0003] In gasoline standards, the octane number (RON) is listed at the first item of motor gasoline specifications and is one of the key quality indicators of gasoline. In order to be able to grasp the octane number changes of blended gasoline and blended component oils in time, and to provide an effective basis for ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50G06F9/445
Inventor 陈夕松胡云云宋玲政杜眯费树岷
Owner 南京富岛信息工程有限公司
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