Multi-objective optimization algorithm based energy dynamic balancing and optimal dispatching method

A multi-objective optimization and optimal scheduling technology, applied in computing, data processing applications, forecasting, etc., can solve problems such as the lack of comprehensive dynamic balance and optimal scheduling methods for multi-energy media

Active Publication Date: 2014-12-24
WISDRI ENG & RES INC LTD
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  • Abstract
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Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide an energy dynamic balance and optimal scheduling method based on a multi-objective optimization algorithm to solve the problem that the prior art lacks a comprehensive dynamic balance and optimal scheduling method for iron and steel enterprises with multiple energy media

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  • Multi-objective optimization algorithm based energy dynamic balancing and optimal dispatching method
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  • Multi-objective optimization algorithm based energy dynamic balancing and optimal dispatching method

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Embodiment 1

[0053] Such as figure 2 Shown is a detailed flow chart of the energy dynamic balance and optimal scheduling method based on the multi-objective optimization algorithm provided by the embodiment of the present invention. figure 2 It can be seen that in the embodiment of the energy dynamic balance and optimal scheduling method based on the multi-objective optimization algorithm provided by the present invention, the process of obtaining the network topology structure of the iron and steel enterprise energy system in step 1 includes: inputting the types and quantities of various energy medium pipe networks , and the physical properties of the energy medium pipeline network; the physical properties of the energy medium pipeline network include: the medium form, upper / lower limit of pressure, calorific value, etc. of the gas pipeline network, upper / lower limit of pressure, upper / lower limit of temperature, and enthalpy Values, etc., parameters such as main transformer capacity, m...

Embodiment 2

[0129] Embodiment 2 provided by the present invention is a specific application embodiment of energy dynamic balance and optimal scheduling method based on multi-objective optimization algorithm. Figure 5 It is the topological structure diagram of the gas subsystem of a typical iron and steel enterprise, Figure 6 It is a topology diagram of the steam and power subsystem of a typical iron and steel enterprise. Depend on Figure 5 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 connected to different pipeline networks. In addition to the single gas medium, there may also be mixed gas, whic...

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Abstract

The invention is applicable to the field of dynamic balancing and optimal dispatching for energy in iron and steel enterprises, and provides a multi-objective optimization algorithm based energy dynamic balancing and optimal dispatching method. The method includes the steps: firstly, acquiring information of equipment units in an iron and steel enterprise energy system network topology and gas, steam and power subsystems; secondly, acquiring supply-demand prediction data, production-maintenance schedules and other setting information of various energy media; thirdly, establishing an iron and steel enterprise energy dynamic balancing and optimal dispatching mathematical model, determining optimization variables of the optimal dispatching model, and determining an objective function and constraint conditions of the optimal dispatching model; fourthly, converting the optimization dispatching model into a problem with two optimization objectives; fifthly, adopting an multi-objective optimization algorithm to solve the problem, with the two optimization objectives, obtained in the fourth step. The coupling relationship of the energy media of the iron and steel enterprises are considered comprehensively, the technical scheme for dynamic balancing and optimal dispatching of the energy media is given from the prospective of integrated dispatching and global optimization, and the method is of clear guiding significance to concrete practice.

Description

technical field [0001] The invention belongs to the field of energy dynamic balance and optimal dispatching of iron and steel enterprises, and in particular relates to a method for dynamic energy balance and optimal dispatching of iron and steel enterprises based on a multi-objective optimization algorithm. 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....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04
Inventor 曾亮叶理德欧燕
Owner WISDRI ENG & RES INC LTD
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