Combustor structure optimization method based on response surface method

An optimization method, response surface method technology, applied in the direction of instruments, special data processing applications, electrical digital data processing, etc., can solve the problems of unsure cross influence, complex burner structure, etc., and achieve combustion effect and low nitrogen combustion effect Effect

Inactive Publication Date: 2014-09-10
EAST CHINA UNIV OF SCI & TECH
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Problems solved by technology

However, the structure of the burner is relatively complex, and the single-factor test cannot determine the cross-effects among the structural parameters, so the optimized value is generally not the objective function (that is, the outlet NO x content) extreme value region

Method used

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  • Combustor structure optimization method based on response surface method
  • Combustor structure optimization method based on response surface method
  • Combustor structure optimization method based on response surface method

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Embodiment 1

[0039] A burner structure optimization method based on the response surface method, the specific steps are:

[0040] (1) Determine the structural factors that need to be considered by the burner, and perform code transformation on them;

[0041] The structural factors are one or more combination of combustion channel, spray gun, burner, combustion channel shape, diameter, spray gun position, nozzle angle and nozzle diameter;

[0042] The coding transformation described is: in the response surface design, the variation ranges of the structural factors are different, and the ranges of some independent variables are extremely different; for the convenience of unified processing, the values ​​of the design parameters are coded and transformed to establish The one-to-one correspondence between the level value of the structural factor and the "coding"; the coding is to solve the troubles caused by different dimensions to the design and analysis;

[0043] (2) Using central composite...

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Abstract

The invention relates to a combustor structure optimization method based on a response surface method. The combustor structure optimization method comprises the following specific steps: (1) determining structural factors, required to be considered, of a combustor, and performing coding conversion on the structural factors; (2) determining a test scheme by adopting CCD (Central Composite Design) method; (3) completing a test according to the CCD-based test scheme; (4) establishing a response surface model, and analyzing a test result; (5) performing ridge analysis, and determining an optimized structure parameter combination. According to the combustor structure optimization method, the test scheme is determined by using the CCD method, and the test result is analyzed by virtue of response surface software, so that the linear term influence and the quadratic term influence on the combustion performance of the combustor caused by all the factors can be determined, the cross term influence of all the factors can also be determined, the optimized structure parameter combination is further determined by the ridge analysis, and a low-nitrogen combustion effect is achieved.

Description

【Technical field】 [0001] The invention relates to the technical field of burner structure optimization, in particular to a method for optimizing the structure of a burner based on the response surface method. 【Background technique】 [0002] Environmental issues are related to national security and have received increasing attention from the government and enterprises. On July 30, 2013, Sinopec announced the implementation of the "clear water and blue sky" environmental protection plan, and nitrogen oxides are one of the pollutants it focuses on. A large amount of nitrogen oxides exists in the outlet flue gas of the tubular heating furnace, which poses a huge threat to environmental safety: nitrogen oxides are an important cause of photochemical smog and acid rain, nitrogen oxides and hydrocarbons in automobile exhaust are irradiated by ultraviolet rays The toxic smog formed by the reaction is called photochemical smog. In addition, nitric acid and nitrous acid produced by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06F19/00
Inventor 王元华吴晓磊刘波徐宏费达
Owner EAST CHINA UNIV OF SCI & TECH
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