Burning loss prevention method and device for turbulent burner

A technology of a swirl burner and a prevention method, which is applied to the combustion method, burner, burner for burning powder fuel, etc., can solve the burning loss of the swirl burner, and the safety and stable operation of a supercritical swirl combustion boiler. , power plant economic losses and other issues, to avoid serious economic losses

Inactive Publication Date: 2014-01-01
ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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Problems solved by technology

[0003] In January 2012, when a 660MW supercritical swirl combustion pulverized coal boiler in a power plant was shut down for maintenance, it was found that the swirl burner was burned out in a large area, which brought serious economic losses to the power plant and brought new problems for the same type of supercritical swirl boilers in the future. The safe and stable operation of combustion boilers has caused major safety hazards

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  • Burning loss prevention method and device for turbulent burner
  • Burning loss prevention method and device for turbulent burner
  • Burning loss prevention method and device for turbulent burner

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Embodiment Construction

[0043] To prevent large-area burning of the swirl burner, it is first necessary to find out the cause of the burning. In order to analyze the cause of the large-area burning loss of the swirl burner as soon as possible, and propose burner modification measures and corresponding operation adjustment plans, the inventor conducted a detailed analysis of the cause of the swirl burner burning loss, through on-site inspection, laboratory Numerical simulation, on-site burner dynamic field test and other comprehensive technical means have fundamentally found the cause of the large-area burning loss of the swirl burner (DBC-OPCC), and proposed structural design, material selection, and on-site operation of the swirl burner. On the one hand, the transformation plan provides theoretical guidance for the safe operation of this type of swirl burner in the future, and has very important engineering significance for the safe and stable operation of the same type of swirl burner in the future....

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Abstract

The invention discloses a burning loss prevention method and device for a turbulent burner. By aiming at a reason which causes burning loss, the structure of the turbulent burner is subjected to technical reform, the operation parameter of the burner is reasonably set, the burning loss accident is nipped in the bud, and therefore severe economic loss brought for power plants due to the burning loss of the burner is avoided.

Description

technical field [0001] The invention relates to the technical field of boiler power generation, in particular to a method and device for preventing burning of a swirl burner. Background technique [0002] With the rapid development of my country's thermal power generation industry, a large number of supercritical and ultra-supercritical coal-fired generating units have been put into production in China. Since the residual rotation of the four-corner tangential boiler brings great challenges and difficulties to the control of the temperature deviation of the heating surface of the superheater and reheater, especially for supercritical and ultra-supercritical units, the influence of this deviation on the temperature is more obvious, so it is adopted The aerodynamic field in the furnace organized by the swirl burner has gradually become the preferred burner method for supercritical and ultra-supercritical units. [0003] In January 2012, when a 660MW supercritical swirl combus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D1/02
Inventor 李德波
Owner ELECTRIC POWER RES INST OF GUANGDONG POWER GRID
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