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Method for optimizing integrated scheduling of multiple energy mediums of iron and steel enterprise

A medium integration, multi-energy technology, applied in data processing applications, forecasting, computing and other directions, can solve the problem of lack of multi-energy medium integration scheduling optimization methods, etc., to make full use of secondary energy, reduce blind production, and clear guiding significance. Effect

Active Publication Date: 2015-01-28
WISDRI ENG & RES INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a multi-energy medium integrated scheduling optimization method for iron and steel enterprises, so as to solve the problem of lack of integrated scheduling optimization methods for iron and steel enterprises in the prior art

Method used

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  • Method for optimizing integrated scheduling of multiple energy mediums of iron and steel enterprise
  • Method for optimizing integrated scheduling of multiple energy mediums of iron and steel enterprise
  • Method for optimizing integrated scheduling of multiple energy mediums of iron and steel enterprise

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Embodiment 1

[0048] In the iron and steel enterprise multi-energy medium integrated scheduling optimization method provided by the embodiment of the present invention,

[0049] The network topology of the energy system of iron and steel enterprises obtained in step 1 includes: various energy medium pipe network information, and unit equipment information such as schedulable key equipment and other public and auxiliary equipment in the gas, steam, and electric subsystems.

[0050] In step 2:

[0051] Min J 1 = pun emi gas - pro gas = Σ t Σ j ∈ EMI Σ i ∈ GAS p i emi · x ...

Embodiment 2

[0114] Embodiment 2 provided by the present invention is a specific application embodiment of a multi-energy medium integrated scheduling optimization method for iron and steel enterprises provided by the present invention.

[0115] Take a large-scale full-process iron and steel complex as an example. figure 2 It is the topological structure diagram of the gas subsystem of a typical iron and steel enterprise, image 3 It is a topology diagram of the steam and power subsystem of a typical iron and steel enterprise. Depend on figure 2 It can be seen that the main by-product gases of iron and steel enterprises are blast furnace gas (BFG), coke oven gas (COG) and converter gas (LDG), which are produced by blast furnace, coke oven and converter respectively. The main network of various gas media is equipped with corresponding gas cabinets and release towers, and the main production process users, such as ironworks, steelworks and wide and heavy plate factories, are also connect...

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Abstract

The invention belongs to the technical field of the energy scheduling of the iron and steel enterprises and provides a method for optimizing integrated scheduling of multiple energy mediums of an iron and steel enterprise. The method comprises obtaining the network topology structure of energy system of the iron and steel enterprise and the demand and output information of major production steps and devices except schedulable critical devices and other commonly-shared auxiliary devices in various subsystems of gas, steam and power on three energy mediums gas, steam and power in a plurality of future scheduling cycles, establishing the scheduling sub-model J1 of the gas subsystem, establishing the scheduling sub-model J2 of the steam subsystem, establishing the scheduling sub-model J3 of the power subsystem, establishing the multi-cycle integrated scheduling model MinJ=J1+J2+J3 for multiple energy mediums of the iron and steel enterprise and taking the sum of constraint conditions that the various subsystems need to satisfy separately as the constraint condition of the multi-cycle integrated scheduling model, and finally, obtaining the integrated scheduling result; the technical scheme of integrated scheduling of multiple energy mediums is provided from the points of integrated scheduling and global optimization and has clear guidance significance for specific practices.

Description

technical field [0001] The invention belongs to the technical field of energy scheduling in iron and steel enterprises, and in particular relates to an optimization method for integrated scheduling of multiple energy media in iron and steel enterprises. Background technique [0002] The iron and steel industry is the basic pillar industry of the national economy, and it is also a resource- and energy-intensive industry. Energy consumption is an important factor that determines the production cost and profit of the iron and steel industry, and it is also the main reason that affects the environmental load. On the one hand, iron and steel enterprises have a long production process with various procedures and equipment, and each process is connected with each other, and each process and equipment is associated with multiple energy media; on the other hand, iron and steel enterprises need to use more than 20 types of energy. These energy media not only have various forms such a...

Claims

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Application Information

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IPC IPC(8): G06Q10/04
CPCG06Q10/043
Inventor 曾亮梁小兵欧燕叶理德
Owner WISDRI ENG & RES INC LTD
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