Best combustion coal-saving power generation controlling method in thermal power plant and device thereof

An optimal combustion and power generation control technology, applied in the control of combustion, lighting and heating equipment, etc., can solve the problems of lack of systematic research on combustion modes, and achieve the effect of reducing coal consumption for power generation and reducing combustion emissions

Active Publication Date: 2011-07-27
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is a lack of systematic research on combustion patterns, as well as engineering measures to reduce coal consumption and related research

Method used

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  • Best combustion coal-saving power generation controlling method in thermal power plant and device thereof
  • Best combustion coal-saving power generation controlling method in thermal power plant and device thereof
  • Best combustion coal-saving power generation controlling method in thermal power plant and device thereof

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Embodiment Construction

[0035] Below in conjunction with accompanying drawing and embodiment describe in detail:

[0036] 1. Optimal combustion and coal-saving power generation control method for thermal power plants

[0037] The flow chart of an embodiment of the control method for optimal combustion and coal-saving power generation in a thermal power plant is as follows figure 1 shown by figure 1 visible:

[0038] 1. The step ① is synchronous real-time data and image acquisition of combustion information and operating condition information 1:

[0039] Real-time collection of operating condition information from the boiler, steam turbine and generator respectively, real-time collection of combustion image information from the boiler, and after marking the time stamp, the working condition information and combustion information are stored in the working condition information database and the combustion information database for classification and preservation, and at the same time Send operation mo...

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Abstract

The invention discloses a best combustion coal-saving power generation controlling method in a thermal power plant and a device thereof, belonging to the field of thermal power generation control technology. The method comprises the steps: (1) synchronously acquiring real-time data and image of combustion information and operation condition information; (2) analyzing and optimizing the combustioninformation and the operation condition information; (3) confirming the best combustion working condition information and the best combustion flame information; (4) generating the best combustion coal-saving power generation controlling scheme; and (5) implementing the best combustion coal-saving power generation controlling scheme. The device is provided with a coal-saving power generation controlling decision making system (50) which consists of an industrial personal computer or a distributed control system and an application software functional module (A), thus realizing automatic generation of the best combustion coal-saving power generation controlling scheme. Compared with the prior art, the invention can provide the best combustion coal-saving power generation control in real timeunder the condition of different coal quality and loads, thus reducing the coal consumption and the emission of combustion.

Description

technical field [0001] The invention relates to the technical field of thermal power generation control, in particular to a control method and device for optimal combustion and coal-saving power generation in a thermal power plant. Background technique [0002] At present, domestic power supply is mainly based on thermal power. According to the data of China Power Grid, taking January-June 2008 as an example, the generating capacity of power plants above designated size nationwide was 1680.319 billion kWh, of which thermal power was 14414.983 billion kWh. Thermal power plants need to consume a large amount of coal during operation. Under normal circumstances in my country, the standard coal consumption of a 125,000 kW unit is 380g / kWh, and the standard coal consumption of a 300,000 kW unit for power generation is 330g / kWh. The standard of 300,000 kW units in advanced countries is only about 300 grams of coal consumption per kWh. It can be seen that the coal consumption of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23N5/00
Inventor 李晓明李晶
Owner WUHAN UNIV
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