Flue gas waste heat recovery system optimization design method considering all-working-condition external parameter change

A flue gas waste heat recovery system technology, applied in the knowledge-based model computer system, multi-objective optimization, design optimization/simulation, etc., can solve problems that are not conducive to the efficient operation of the flue gas waste heat recovery system, and achieve the design configuration Improvement, flexible methods, and the effect of large comprehensive technical and economic benefits

Active Publication Date: 2021-07-30
XI AN JIAOTONG UNIV
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Problems solved by technology

It is not conducive to the efficient operation of the flue gas waste heat recovery system under variable working conditions

Method used

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  • Flue gas waste heat recovery system optimization design method considering all-working-condition external parameter change
  • Flue gas waste heat recovery system optimization design method considering all-working-condition external parameter change
  • Flue gas waste heat recovery system optimization design method considering all-working-condition external parameter change

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Embodiment Construction

[0032] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] Such as figure 1 As shown, the present invention considers the optimization design method of flue gas waste heat recovery system considering the change of external parameters in all working conditions. The flue gas waste heat recovery system consists of h heat exchangers HE k (k=1~h) and pipeline valve system connection between heat exchangers;

[0034] The optimal design method of the flue gas waste heat recovery system is to obtain the design configuration S of the waste heat recovery system with the largest comprehensive technical and economic benefits under the condition of changing external parameters in all working conditions 0 is the final optimization goal; at each stage, the optimization goal is to maximize the system's technical economy; in the stage of using the thermal calculation model to collect discrete data sam...

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Abstract

The invention discloses a flue gas waste heat recovery system optimization design method considering all-working-condition external parameter changes, which is characterized in that intelligent optimization algorithms are coupled and applied to flue gas waste heat recovery system optimization design according to working principles and characteristics of the intelligent optimization algorithms, and an optimization process is reasonably constructed and designed, the effective solution of the design configuration of the waste heat recovery system with the maximum comprehensive technical and economic benefits under the condition of all-working-condition external parameter change is realized; and the waste heat recovery system obtained through the method is high in comprehensive technology economical efficiency, high in adaptability and high in flexibility.

Description

technical field [0001] The invention relates to the technical field of optimal design of a flue gas waste heat recovery system, in particular to an optimal design method of a flue gas waste heat recovery system considering changes in external parameters in all working conditions. Background technique [0002] In recent years, the installed capacity of new energy power generation in my country has grown rapidly, and coal-fired power generation has transitioned from the main energy source to the basic energy source. Coal-fired power generation will undertake more peak-shaving tasks and will operate with frequent variable loads for a long time, which puts forward new requirements for the flexibility of thermal power units. Flue gas waste heat recovery technology is an effective means to improve the efficiency of coal-fired power generation units and reduce the emission of pollutants from power plants. With the increasingly frequent operation of coal-fired units under variable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/27G06N3/12G06N5/00G06N7/00G06F111/04G06F111/06G06F111/08G06F119/08G06F119/14
CPCG06F30/27G06N3/126G06F2111/04G06F2111/06G06F2111/08G06F2119/08G06F2119/14G06N5/01G06N7/01
Inventor 刘明封又琳杨凯旋严俊杰刘继平邢秦安
Owner XI AN JIAOTONG UNIV
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