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In-situ boiler combustion optimizing control system based on computational intelligence

A technology for optimal control and boiler combustion, which is applied in general control systems, control/regulation systems, and adaptive control, etc. It can solve the difficulty of building a boiler combustion characteristic model for boiler combustion, the increase of carbon content in fly ash, and the inability to optimize boiler combustion. control issues

Inactive Publication Date: 2003-11-05
ZHEJIANG UNIV
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Problems solved by technology

At the same time, after the boiler adopts low NOx combustion method, the carbon content of fly ash often increases.
The complexity of boiler combustion makes it difficult to establish a boiler combustion characteristic model. It is impossible to establish a suitable combustion characteristic model, and it is impossible to optimize the boiler combustion

Method used

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  • In-situ boiler combustion optimizing control system based on computational intelligence
  • In-situ boiler combustion optimizing control system based on computational intelligence

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Embodiment Construction

[0009] The boiler combustion online optimization control system based on computational intelligence downloads the operating parameters of the boiler from the distributed control system 2 through the download interface 3 of the boiler 1 distributed control system 2, and obtains the boiler smoke exhaust group from the boiler tail flue gas component online monitoring system 4 and obtain the carbon content of the boiler fly ash from the fly ash carbon content monitor 5 installed at the tail of the boiler, the boiler operating parameters, the components of the exhaust smoke and the data of the carbon content of the fly ash are stored in the combustion online optimization control system Learning is carried out in the database of the central processing computer 6 and nonlinear models and global optimization calculations are established.

[0010] The invention utilizes the data download interface of the distributed control system (DCS) of the power station boiler to download the releva...

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Abstract

The present invention is in-situ boiler combustion optimizing control system based on computational intelligence. The control system has download interface to download the operation parameters from the distributed control system, in-situ boiler tail fume monitoring system to obtain the fume components of the boiler, flyash carbon content monitoring system in the tail of boiler to obtain the carbon content in flyash and data base to store all the parameters and data for learning, establishing non-linear model and global optimization calculation. The present invention can obtain boiler optimizing operation scheme with least pollutant exhaust, reach the maximum boiler efficiency in certain boiler pollutant exhaust limitation, and reach multipurpose optimization scheme.

Description

technical field [0001] The invention relates to a computer control system, in particular to an online optimization control system for boiler combustion based on computational intelligence. Background technique [0002] With the continuous improvement of the operation economy and environmental protection requirements of power plant boilers, the efficient and low-pollution optimized operation technology of large-scale power plant coal-fired boilers is increasingly improved. With the continuous advancement of science and technology, the operation automation of large-capacity coal-fired units has been continuously improved, but the online control of boiler combustion optimization has not been well resolved. [0003] At present, the combustion optimization of the boiler mainly relies on the commissioning personnel to conduct multi-working condition tests, and obtain the best air distribution method for the common coal type tests, and the operators refer...

Claims

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Application Information

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IPC IPC(8): G05B13/00G05B13/04
Inventor 周昊岑可法樊建人池作和蒋啸
Owner ZHEJIANG UNIV
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