Method for determining consumption difference analysis optimized target value system of circulating fluidized bed unit

A technology for optimizing the target value and circulating fluidized bed, which is applied in the direction of fluidized bed combustion equipment, combustion methods, and fuel burned in a molten state, and can solve problems such as low accuracy, large amount of calculation, and no unified method, and achieve Reduce costs, improve efficiency, and save manpower

Active Publication Date: 2014-04-23
GUANGZHOU HENLEE SAFETY TEST TECH +3
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Problems solved by technology

At present, there is no uniform method for determining the optimization target value, and different methods also have some shortcomings, for example: 1. Modeling based on the design value, but this method will be aging with the operation of the unit, and the design value is no longer It is representative; 2. Carry out ...

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  • Method for determining consumption difference analysis optimized target value system of circulating fluidized bed unit
  • Method for determining consumption difference analysis optimized target value system of circulating fluidized bed unit
  • Method for determining consumption difference analysis optimized target value system of circulating fluidized bed unit

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no. 1 Embodiment

[0062] Take the 300MW circulating fluidized bed unit as an example. Moreover, since the standard coal consumption rate of power supply can fully reflect the economy of the unit, this embodiment selects the standard coal consumption rate of power supply as the criterion for the economic evaluation of the unit, that is, the target of data mining is determined to be the standard coal consumption rate of power supply. It can be seen that this embodiment is to conduct cluster analysis on the historical data (ie, key operating parameters) of the key adjustable and controllable parameters that affect the power supply standard coal consumption rate under stable operating conditions, so as to determine the key operating parameters of the unit under different loads the optimal target value of .

[0063] For the power supply standard coal consumption rate of the unit, the calculation formula is as follows:

[0064] b g = ...

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Abstract

The invention discloses a method for determining a consumption difference analysis optimized target value system of a circulating fluidized bed unit. The method comprises the steps of clustering collected sample operation parameters by using a K-means algorithm to obtain K data clusters; selecting a data cluster with the minimum arithmetic mean value according to the arithmetic mean value of each data cluster; and then determining a parameter corresponding to a clustering center of the selected data cluster as an optimized target value. Due to the adoption of the method for determining the consumption difference analysis optimized target value of the circulating fluidized bed unit, the real-time performance and the accuracy are improved; the complex calculation amount and test cost can be reduced; and manpower and material resources are greatly saved. The method for determining the consumption difference analysis optimized target value system of the circulating fluidized bed unit can be widely used in the field of consumption difference analysis of power stations.

Description

technical field [0001] The invention relates to a method for determining an optimization target value of consumption difference analysis, in particular to a method for determining an optimization target value system for consumption difference analysis of a circulating fluidized bed unit. Background technique [0002] Circulating fluidized bed boiler combustion technology is a clean coal-fired power generation technology with high efficiency, low pollution, strong variable load capacity, and wide fuel adaptability. Therefore, it has been vigorously developed in the installed capacity of the power grid in recent years. With the in-depth development of energy saving and emission reduction and the gradual maturity of the power market, it is an inevitable measure for thermal power units to actively promote the optimal economic operation of the production process to improve economic benefits, competitiveness, and reduce production costs, and this is an inevitable measure for circul...

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Application Information

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IPC IPC(8): F23C10/28
Inventor 林有胜吴光辉马晓茜徐齐胜余昭胜郑李坤吴伟基湛志钢郭文光
Owner GUANGZHOU HENLEE SAFETY TEST TECH
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