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Fast Calculation and Real-time Display System of Coal-fired Boiler Combustion Dynamic Field

A technology of real-time display and rapid calculation, applied in combustion chambers, combustion methods, combustion equipment, etc., can solve the problem of inability to accurately and timely understand the combustion status of boilers

Active Publication Date: 2021-04-27
SOUTHEAST UNIV
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Problems solved by technology

[0004] Purpose of the invention: The present invention provides a system capable of fast calculation and real-time display of the three-dimensional combustion dynamic field of large coal-fired boilers, aiming at the problem that on-site operators of coal-fired thermal power plants cannot accurately and timely understand the combustion conditions in the boiler

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  • Fast Calculation and Real-time Display System of Coal-fired Boiler Combustion Dynamic Field
  • Fast Calculation and Real-time Display System of Coal-fired Boiler Combustion Dynamic Field

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Embodiment Construction

[0031] see figure 1 and figure 2 , The coal-fired boiler combustion dynamic field fast calculation and real-time display system according to an embodiment of the present invention includes a DCS data processing module 1 , a CFD database module 2 , a prediction calculation module 3 and a combustion display module 4 . The DCS data processing module 1 is first connected with the boiler DCS system, and then connected with the CFD database module 2 . The CFD database module 2 is connected with the prediction calculation module 3 and the combustion display module 4 , and the prediction calculation module 3 is also connected with the combustion display module 4 . In addition, the CFD database module 2 can also directly accept prediction calculation instructions.

[0032] The DCS data processing module 1 can receive the data of the boiler DCS system, obtain the operating condition data of the boiler and convert it into comprehensive working condition information, and transmit it to...

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Abstract

The invention discloses a fast calculation and real-time display system and calculation method for the combustion dynamic field of a coal-fired boiler. The system includes DCS data processing module, CFD database module, prediction calculation module and combustion display module. By combining the neural network with CFD numerical simulation, the three-dimensional combustion dynamic field data in the furnace of discrete finite operating point can be quickly calculated from the three-dimensional combustion dynamic field data in the furnace at any continuous operating point, and the furnace internal combustion dynamic field can be calculated in various forms. Combustion status is displayed. The invention enables the operator of the power plant to understand the combustion situation in the furnace more intuitively and quickly under variable working conditions, comprehensively evaluates the influence of various factors on the combustion, and provides reference for the combustion regulation in the furnace.

Description

technical field [0001] The invention relates to a technical method in the field of coal-fired thermal power generation, in particular to a system for fast calculation and real-time display of the combustion dynamic field of a coal-fired boiler in a power station. Background technique [0002] At present, it has become normal for coal-fired thermal power plants to use non-design coal types to reduce operating costs. In addition, frequent load adjustments to adapt to grid peak shaving will cause boilers to deviate from their optimal operating conditions and cause combustion efficiency problems. decrease and increase in pollutant emissions. Boiler high-efficiency and low-pollution combustion control under complex and variable working conditions has become a huge challenge for operators. The most important reason is that operators cannot accurately obtain information on the three-dimensional flow field, temperature field and component field in the furnace, which makes the contro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23M11/04
CPCF23M11/04
Inventor 陈曦钟文琪袁来运
Owner SOUTHEAST UNIV
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