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Combustion optimization method based on CO online monitoring

A technology of combustion optimization and burnout, applied in the direction of combustion methods, control of combustion, lighting and heating equipment, etc., can solve the problems of the normal operation of the denitrification system and effectively control the high-temperature corrosion of boilers, and achieve the effect of controlling high-temperature corrosion and improving service life

Active Publication Date: 2021-05-14
HUANENG POWER INT CO LTD DEZHOU POWER PLANT +1
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Problems solved by technology

[0005] The present invention provides a combustion optimization method based on CO online monitoring, which is used to solve the technical problem in the prior art that the normal operation of the denitrification system cannot be guaranteed and the high-temperature corrosion of the boiler can be effectively controlled without increasing the cost. The method include:

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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0036] In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying Refe...

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Abstract

The invention discloses a combustion optimization method based on CO online monitoring. The method comprises the steps that the concentration of nitrogen oxides at an inlet of a denitration system of a boiler is obtained, the CO concentration of a hearth based on a plurality of CO detection points in the hearth of the boiler is obtained, the operation oxygen amount and the over fire air amount of the boiler are obtained based on the CO concentration of the hearth and the concentration of the nitrogen oxides, therefore, under the condition that the cost is not increased, serious high-temperature corrosion of the boiler is avoided, the treatment pressure of the denitration system of the boiler is reduced, and the service life of the boiler is prolonged.

Description

technical field [0001] The invention relates to the technical field of thermal power generation, in particular to a combustion optimization method based on CO online monitoring. Background technique [0002] At this stage, thermal power generation is still the main source of electricity generation in my country. With the continuous improvement of national environmental protection requirements, the control of the concentration of nitrogen oxides in thermal power plant emissions is becoming more and more intensive. Existing thermal power plants will introduce SCR denitrification system, while reducing the concentration of nitrogen oxides in the discharge, it also increases the cost. At the same time, the high-temperature corrosion phenomenon of the thermal power plant boiler is also a technical problem that the thermal power plant has to solve. The high-temperature corrosion of the boiler is mainly related to the CO and H in the furnace. 2 It is related to the concentration of ...

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Application Information

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IPC IPC(8): F23N5/00F23N3/00
CPCF23N5/00F23N3/00
Inventor 刘国刚王栩王垚李杰冯春侯逊赵子龙张华东陈建亮马东森刘兴力李涛陶巍赵大鹏康小维邢洪涛危日光高建强赵欢
Owner HUANENG POWER INT CO LTD DEZHOU POWER PLANT
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