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Mixed intelligent boiler comprehensive combustion optimization method

A combustion optimization and boiler combustion technology, applied in design optimization/simulation, genetic rules, special data processing applications, etc., can solve time-consuming, laborious parameter combinations, boiler combustion coal mill operation optimization problems have not been well resolved, etc. question

Inactive Publication Date: 2017-08-04
HANGZHOU DIANZI UNIV
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Problems solved by technology

With the continuous advancement of science and technology, the degree of automation of boiler operation has been continuously improved, but the problems of boiler combustion and coal mill operation optimization have not been well resolved.
[0003] In practice, the combustion of the boiler and the operation of the coal mill mainly depend on the commissioning personnel to conduct experiments under different working conditions. A large number of experiments are conducted to find a good operating parameter configuration for the specific boiler, coal mill and coal type, so as to provide As a reference, this method is time-consuming, laborious, and the parameter combinations that can be tested are limited. Therefore, there is still a large room for improvement in the optimal parameter configuration found through debugging experiments, and this method cannot be realized online according to real-time changes. optimization

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  • Mixed intelligent boiler comprehensive combustion optimization method
  • Mixed intelligent boiler comprehensive combustion optimization method
  • Mixed intelligent boiler comprehensive combustion optimization method

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Embodiment Construction

[0042] A hybrid intelligent boiler efficiency combustion optimization method, specifically the following steps:

[0043] (1) Based on boiler combustion professional knowledge and experimental research, construct an index positively correlated with boiler combustion thermal efficiency where ΔT=T 1 -T 2 ,T 1 It is the characterizing temperature of the furnace, which can be measured by a non-contact temperature measuring instrument, such as an infrared non-contact temperature measuring instrument, or obtained by a boiler combustion DCS system, T 2 It is the characteristic temperature of the tail flue, which can be taken as the temperature after the air preheater or the temperature after the economizer, which can be obtained from the DCS system of the boiler combustion or directly measured; It is the flue gas volume coefficient per ton of coal burning, which is related to coal quality and can be calculated according to coal quality element analysis data. The calculation formu...

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Abstract

The invention discloses a mixed intelligent boiler comprehensive combustion optimization method. A simple and practical index positively related with boiler efficiency is established aiming at the problems in boiler combustion efficiency and coal mill power consumption optimization, the index is combined with a coal mill power consumption index, the boiler comprehensive combustion optimization method with high learning capacity is provided, and economical efficiency is optimized. According to the technical scheme, through data acquisition of a boiler, a model is established aiming at the index of boiler combustion efficiency and the coal mill power consumption index, parallel optimization algorithm optimizing and other means are applied, and the boiler comprehensive combustion optimization method is determined; by means of the method, the efficiency of boiler comprehensive combustion optimization can be effectively improved, and offline optimization and online real-time combustion optimization can be carried out.

Description

technical field [0001] The invention belongs to the field of information and control technology, relates to automation technology, and in particular relates to a hybrid intelligent boiler efficiency combustion optimization method. Background technique [0002] Boiler combustion optimization is an important technical means for energy saving and emission reduction. Its goal is to obtain a high-efficiency operating state by adjusting operating parameters such as boiler air distribution and coal supply under certain boiler load conditions. The collocation of operating parameters such as air distribution and coal supply of the boiler has a direct impact on the combustion state of the boiler. Different configurations of operating parameters such as air distribution, coal supply and oxygen amount will directly lead to different boiler efficiencies. At the same time, the operation of the coal mill has a great impact on the combustion efficiency of the boiler. Moreover, the power con...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06N3/12
CPCG06F30/20G06N3/126
Inventor 王春林梁少华豆红飞璀璨凌波
Owner HANGZHOU DIANZI UNIV
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