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System and method for real-time prediction of calorific value of circulating fluidized bed domestic waste incineration boiler

A domestic waste incineration and circulating fluidized bed technology, which is applied in the direction of combustion method, incinerator, combustion type, etc., can solve the problems that the characteristics are difficult to determine, and it is difficult to be competent for real-time and uninterrupted calorific value monitoring work.

Active Publication Date: 2017-04-12
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these methods have their own limitations in experimental methods, and the waste is a heterogeneous substance, so it is difficult to determine whether the samples taken can represent the characteristics of the waste into the furnace.
This method is currently mainly used for offline statistical analysis, and it is difficult to perform real-time and uninterrupted calorific value monitoring.

Method used

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  • System and method for real-time prediction of calorific value of circulating fluidized bed domestic waste incineration boiler
  • System and method for real-time prediction of calorific value of circulating fluidized bed domestic waste incineration boiler
  • System and method for real-time prediction of calorific value of circulating fluidized bed domestic waste incineration boiler

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Embodiment 1

[0125] refer to figure 1 , figure 2 , image 3 , Figure 4 , a circulating fluidized bed domestic waste incineration boiler provided by the present invention provides a real-time prediction system for the calorific value of waste in the furnace, including a circulating fluidized bed domestic waste incineration boiler, a distributed control system for the operation control of the boiler, a data communication interface, and a database and host computer. The database reads data from the distributed control system through the data communication interface, and is used for training, learning and testing of the upper computer. The upper computer performs data exchange with the distributed control system through the data communication interface. The upper computer includes offline learning, verification and Prediction part of the calorific value of online furnace waste. The offline learning and verification part includes:

[0126] The first signal acquisition module: this module...

Embodiment 2

[0186] refer to figure 1 , figure 2 , image 3 , Figure 4 , a method for predicting the calorific value of waste in a circulating fluidized bed domestic waste incineration boiler provided by the present invention, the method includes the following steps:

[0187] 1) Select variables and collect samples: Utilize the mechanism of domestic waste incineration in circulating fluidized bed boilers, select input variables for the prediction model of waste calorific value, and consider the following strategies when selecting: a) Fuel into the furnace is composed of coal and garbage Yes, for the same kind of coal, the calorific value is relatively stable, so the operating personnel will take the current coal supply into consideration when judging the calorific value of domestic waste entering the furnace; b) When the operating personnel are stoking the furnace, there is an important The main task is to control the bed temperature between 850°C and 950°C. The change of the bed temp...

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Abstract

The invention discloses a real-time prediction system and method for a boiler entering heat value of a circulating fluidized bed household garbage incineration boiler. By means of hidden knowledge in operation historical data and an operational mechanism of the circulating fluidized bed household garbage incineration boiler and through an integrated modeling method of a particle swarm optimization (PSO) algorithm, a subtractive clustering algorithm and an adaptive neuro-fuzzy inference system (ANFIS) algorithm, the system and the method which are fast and economical are established for real-time prediction of the heat value of boiler entering garbage, the complicated work of off-line measurement for garbage components is avoided, a new path is provided for boiler operation operators and relevant management staff of a power plant to judge the heat value of the boiler, and meanwhile, a heat value judgment signal can be provided for an automatic control system of the power plant.

Description

technical field [0001] The invention relates to the field of energy engineering, in particular to a system and method for real-time prediction of the calorific value of waste in a circulating fluidized bed domestic waste incineration boiler. Background technique [0002] Since waste incineration can well realize volume reduction, volume reduction, harmlessness and resource utilization of waste treatment technology, in the past ten years, under the guidance of relevant national industrial policies, the domestic waste incineration industry has achieved vigorous development. At present, CFB waste incineration technology has been promoted and applied in many cities in China. As of 2013, more than 60 waste incineration boilers have been built in China, with a daily waste processing capacity of 56,000 tons, making a contribution to my country's waste incineration industry. important contribution. However, domestic municipal solid waste is mostly collected in a mixed manner, result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23G5/44F23G5/50
CPCF23G5/44F23G5/50
Inventor 尤海辉马增益唐义军王月兰倪明江严建华
Owner ZHEJIANG UNIV
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