Burner adjustment method, system, dcs system and medium based on temperature field

A technology of burner and temperature field, which is applied in the direction of combustion method, combustion control, and fuel supply adjustment, and can solve the problems of affecting the combustion efficiency of the furnace, large deviation, and polluting the environment

Active Publication Date: 2021-11-09
TIANJIN GUONENG JINNENG BINHAI THERMAL POWER CO LTD
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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that the combustion efficiency of each burner in the furnace is different, which makes the temperature in the furnace uneven and has a large deviation, which will affect the combustion efficiency of the entire furnace, resulting in a low thermal energy conversion rate of pulverized coal and easy generation of NOx ,polluted environment

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  • Burner adjustment method, system, dcs system and medium based on temperature field
  • Burner adjustment method, system, dcs system and medium based on temperature field
  • Burner adjustment method, system, dcs system and medium based on temperature field

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Embodiment Construction

[0090] The following is attached Figure 1-15 The application is described in further detail.

[0091] The embodiment of the present application discloses a boiler combustion system, referring to figure 1 , the system includes a boiler furnace 1 and a coal mill 2, and a plurality of burners 3 are installed in the furnace 1; the coal mill 2 includes a plurality of feed ports and a plurality of discharge ports, and one of the feed ports communicates with a Coal feeding device 4 for transporting coal to coal mill 2, coal mill 2 grinds coal into coal powder, and another feed port is connected with air supply device 21 for blowing wind into coal mill 2, wind and The air-powder mixture composed of pulverized coal is delivered to the burner 3 from the discharge port of the coal mill 2 .

[0092] A plurality of first pipelines 7 are connected to the outlet of the coal mill 2, and the first pipelines 7 are connected to the burner 3. The first pipeline 7 is equipped with a first adjus...

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Abstract

The present application relates to a burner adjustment method, system, DCS system and medium based on a temperature field. The method includes obtaining the regional temperatures of multiple preset regions in the furnace; The average temperature in the furnace; respectively calculate the absolute value of the difference between the regional temperature of each of the preset regions and the average temperature to obtain the deviation of each of the preset regions; The deviation is adjusted to the first adjusting mechanism and / or the second adjusting mechanism of the preset area; repeating the step of obtaining the zone temperature of multiple preset zones in the furnace. The application makes the temperature in the furnace uniform, can improve the overall combustion efficiency of the furnace, and has a high thermal energy conversion rate of pulverized coal in the power generation process, realizes energy saving and consumption reduction efficiency, and reduces the generation of thermal NOx, thereby reducing the harm to the atmospheric environment.

Description

technical field [0001] The present application relates to the field of DCS control, in particular to a burner adjustment method, system, DCS system and medium based on a temperature field. Background technique [0002] Thermal power generation is a power generation method that converts heat energy generated during the combustion of combustibles into electrical energy. China is rich in coal resources, and thermal power generation still has great potential. [0003] In the related art, the main working devices of the thermal power plant include a furnace and a coal mill. A plurality of burners are installed on the front wall and the rear wall of the furnace. The heat generated by the combustion makes the steam generating device in the furnace generate steam, which is then used to generate electricity through the steam turbine. [0004] In view of the above-mentioned related technologies, the inventor believes that the combustion efficiency of each burner in the furnace is dif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23N1/02
CPCF23N1/02F23N2225/08
Inventor 方久文高宝生张凌灿刘红霞郭志华王斌高嘉文李大辉孟继洲杨林赵可心
Owner TIANJIN GUONENG JINNENG BINHAI THERMAL POWER CO LTD
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