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Method for acquiring target values of boiler optimized operation economic parameters

A technology for optimizing operation and target value, applied in electrical digital data processing, special data processing applications, instruments, etc., to achieve reasonable results of analysis

Inactive Publication Date: 2013-01-16
ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO +1
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  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a method for obtaining the target value of economic parameters for boiler optimization operation, so as to solve the unreasonable determination of the target value of economic analysis parameters for boiler energy loss at present, which affects the boiler Rationality and reliability of economic analysis results

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  • Method for acquiring target values of boiler optimized operation economic parameters

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specific Embodiment approach

[0022] The invention aims at the problem that it is difficult to determine the target value of the boiler economical analysis parameter, and proposes a method for obtaining the target value of the economical analysis parameter for optimal operation of the boiler. The specific implementation is as follows:

[0023] The embodiment of the present invention adopts the combustion optimization test of boiler variable coal type, neural network technology and genetic algorithm optimization technology, through the optimization of the combustion operation parameters of the boiler operating conditions, and then repeatedly the actual air distribution and coal combustion operation Compare the parameters with the optimized value to judge whether the working condition is "optimized working condition", and use the boiler operation data judged to be "optimized working condition" to establish the relationship between the target value of the boiler operation economic analysis parameter and the ch...

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Abstract

The invention discloses a method for acquiring target values of boiler optimized operation economic parameters. The method comprises the following steps of: establishing a boiler combustion characteristic neural network mathematical model by using a neural network technology according to boiler variable coal type combustion optimized operation working condition data; according to the boiler combustion characteristic neural network mathematical model, optimizing air distribution and coal distribution combustion operation parameters of each historic working condition of a boiler by using an optimized combination method of a thermal test algorithm and a genetic algorithm and by taking the maximization of boiler comprehensive efficiency as an optimization target; comparing the air distribution and coal distribution combustion operation parameters of each historic working condition with corresponding optimized values, determining an optimized working condition, and establishing a target value calculation model for boiler main steam parameters, auxiliary engine power consumption, smoke exhaust temperature, fume oxygen content and fly-ash carbon content by taking data of a historic working condition which is marked as the optimized working condition as a sample and by using the neural network technology; and calculating a boiler main steam parameter target value, an auxiliary engine power consumption target value, a smoke exhaust temperature target value and a fume oxygen content target value under the conditions of different loads and different coals by using the obtained target value calculation model.

Description

[0001] technical field [0002] The invention relates to a method for obtaining a target value of an economic parameter for optimal operation of a boiler, belonging to the technical field of boiler operation. Background technique [0003] Energy loss economic analysis is an important technique for boiler operation optimization. Energy loss economic analysis is to compare some important operating parameters of the boiler with their target values ​​(optimum values) under each operating condition of the boiler, and calculate the energy loss caused by each operating parameter not reaching its target value. provided to the operator. According to the energy loss of each operating parameter, the operator can identify the main reason for the decline in the economic performance of the boiler, and then take measures to optimize the operation of the boiler. Therefore, the key of economic analysis is to determine the target value of each economic operation parameter of the boiler....

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 李海山雎刚林显敏陈林国
Owner ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO
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