A Mathematical Programming-Based Method for Optimal Scheduling of Oxygen and Nitrogen Energy in Metallurgical Enterprises

A technology of mathematical planning and scheduling methods, applied in the information field, to achieve the effects of improving computing efficiency, assisting decision-making, optimizing production scheduling, and shortening the required time

Active Publication Date: 2017-11-07
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention mainly solves the balance optimization problem of oxygen system in metallurgical enterprises

Method used

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  • A Mathematical Programming-Based Method for Optimal Scheduling of Oxygen and Nitrogen Energy in Metallurgical Enterprises
  • A Mathematical Programming-Based Method for Optimal Scheduling of Oxygen and Nitrogen Energy in Metallurgical Enterprises
  • A Mathematical Programming-Based Method for Optimal Scheduling of Oxygen and Nitrogen Energy in Metallurgical Enterprises

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Embodiment Construction

[0014] The following takes the oxygen and nitrogen energy system of a steel plant as an example for further explanation. attached by figure 1 It can be seen from the schematic diagram of the oxygen and nitrogen system that the eight air separation units are the main oxygen and nitrogen generating units. Part of the energy medium such as oxygen and nitrogen produced is directly supplied to users such as blast furnaces in the form of low pressure, and the other part is pumped into the medium pressure through the compressor. Or in the high-pressure pipeline network, and the latter is either directly supplied to users such as cold and hot rolling, or continues to be transported to the liquefaction device to be converted into liquid products and stored in liquid tanks. These liquid products can be evaporated into gaseous products for supply when necessary. Although the above-mentioned devices can all be used as adjustment units, each of them also has some adjustment restrictions an...

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Abstract

The invention belongs to the technical field of information, relates to the technologies such as the fuzzy classification technology and the optimization methods and provides an oxygen and nitrogen energy optimized scheduling method used for metallurgical enterprises and based on mathematical programming. The oxygen and nitrogen energy optimized scheduling method used for the metallurgical enterprises and based on mathematical programming comprises the steps that firstly, true industrial production data are adopted, and pretreatment, such as filtering and denoising, is conducted on the true industrial production data, and adjustable equipment and the corresponding adjustment capacity of the equipment are made clear through fuzzy classification; then, integrated planning of an oxygen and nitrogen energy system is achieved according to the mathematical programming method with the characteristics of the equipment and the actual characteristics of a pipe network comprehensively considered, and an optimized scheduling model is established; finally, an optimized scheduling scheme containing the adjustable equipment and the corresponding adjustment amount is provided, and a diffusion rate change simulation result is also provided so that field operators can be assisted in making specific adjustment measures.

Description

technical field [0001] The invention belongs to the field of information technology, relates to technologies such as fuzzy classification and an optimization method, and is an optimal scheduling method for oxygen and nitrogen energy in metallurgical enterprises based on mathematical programming. The present invention adopts real industrial production data, first preprocesses the data such as filtering and denoising, and clarifies the adjustable equipment and the corresponding adjustment ability through fuzzy classification; then, through the mathematical programming method, comprehensively considers the characteristics of the equipment and the actual characteristics of the pipe network, The oxygen and nitrogen energy system makes overall planning and establishes an optimal scheduling model; finally, an optimal scheduling plan including adjustment equipment and corresponding adjustment amounts is given, and the simulation results of emission rate changes are attached to assist o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q50/00
CPCG06Q10/04G06Q50/04
Inventor 赵珺韩中洋王伟刘颖
Owner DALIAN UNIV OF TECH
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