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A Boiler Combustion Optimization Method Based on Case Reasoning with Online Optimization

An optimization method, a technology for boiler combustion, applied in the control of combustion, lighting and heating equipment, etc., can solve the problems of labor, implementation trouble, difficulty, etc.

Active Publication Date: 2020-06-26
NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Researchers have done relevant research on stable combustion optimization from various angles. At present, plasma ignition and micro-oil ignition technologies have gradually matured, replacing large oil guns as the main means of ignition and low-load stable combustion. Equipment requirements are strict, implementation is cumbersome and difficult, and manual experience is required

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  • A Boiler Combustion Optimization Method Based on Case Reasoning with Online Optimization
  • A Boiler Combustion Optimization Method Based on Case Reasoning with Online Optimization
  • A Boiler Combustion Optimization Method Based on Case Reasoning with Online Optimization

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Embodiment Construction

[0076] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0077] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0078] In view of the existing technology, the plasma ignition and micro-oil ignition technology have ...

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Abstract

The invention belongs to the field of low load steady combustion optimization of thermal power units, and particularly relates to a low-load boiler combustion optimization method based on online optimizing. According to the low-load boiler combustion optimization method, off-line optimization can be linked with online optimization; the results of offline optimization are stored to a specific location as a typical optimization case; according to a load command query type, case optimization results are directly sent to an on-site DCS to control the opening degree of each layer of dampers; and inthis way, a wind-to-coal ratio is adjusted to improve the stability and economy of boiler combustion.

Description

technical field [0001] The invention belongs to the field of stable combustion optimization of thermal power units, and specifically relates to an online optimization-based boiler combustion optimization method, which adopts a case-based online query-type optimization method to determine boiler air distribution and optimal oxygen value during power station operation. Background technique [0002] In recent years, in order to accept more new energy sources and improve the flexibility of power grid peak regulation and frequency regulation, the problem of stable combustion of large coal-fired boilers has become increasingly prominent. There are more and more periods of low load and variable load for thermal power generation. Therefore, how to better achieve stable combustion optimization is particularly important. [0003] In the prior art, the research on the wide-load and variable-load operation characteristics of coal-fired units is still not in-depth, and the necessary engi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23N5/00
CPCF23N5/00F23N2223/44
Inventor 牛玉广康俊杰张馨予段锡军
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)