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Method for Predicting Reaction Performance in Solid Fuel Chemical Looping Process Based on GBRT

A technology of solid fuel and reaction performance, which is applied in chemical analysis by combustion, machine learning, instruments, etc. It can solve problems such as difficult to obtain, high data, complex internal logic between data, etc., and achieve the effect of saving time and continuous feature data

Active Publication Date: 2022-03-04
SOUTHEAST UNIV
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Problems solved by technology

However, in the scenario of the chemical chain process, the dimensionality of the data is usually high, and the internal logic between the data is complicated. , so it is not suitable for the scenario of chemical chain process prediction

Method used

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  • Method for Predicting Reaction Performance in Solid Fuel Chemical Looping Process Based on GBRT
  • Method for Predicting Reaction Performance in Solid Fuel Chemical Looping Process Based on GBRT
  • Method for Predicting Reaction Performance in Solid Fuel Chemical Looping Process Based on GBRT

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Embodiment Construction

[0037] The content of the present invention will be further clarified below in conjunction with the accompanying drawings and specific embodiments, but the embodiments are only used to illustrate the present invention and are not intended to limit the protection scope of the present invention. The concrete steps of embodiment are as figure 1 shown.

[0038] First, the solid fuel is selected as petroleum coke and anthracite, and the oxygen carrier is iron ore. The solid fuel in this embodiment can be selected from one or more of coal (including lignite, bituminous coal, anthracite), biomass, and petroleum coke. A mixed fuel; the oxygen carrier can be iron-based, nickel-based, copper-based or multi-metal oxygen carrier, as well as natural oxygen carrier. Experimental studies were carried out in a single-batch fed small fluidized bed. The reaction temperature, water vapor flow rate, O / C (the ratio of the molar amount of oxygen in the oxygen carrier to the molar amount of carbon...

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Abstract

The invention relates to a method for predicting the reaction performance in the chemical chain process of solid fuel, comprising (1) collecting data through experimental research on chemical chain of solid fuel; (2) arranging data to obtain training samples and test samples; (3) using gradient The training sample is trained by boosting the regression tree model; (4) The reaction performance in the chemical chain process of solid fuel is predicted. By traversing the data combination, predicting the results, and obtaining the corresponding chemical chain working condition parameters according to the requirements of different chemical chain technologies. Compared with the prior art, the present invention predicts the reaction performance of various solid fuels in the chemical chain process through the gradient boosting regression tree model, greatly reduces the number of experiments, saves a lot of manpower and material resources, and is conducive to intuitive and quantitative prediction of chemical chains. The fuel conversion rate in the chain process, etc., has certain guiding significance for optimizing the chemical chain process.

Description

technical field [0001] The invention relates to a method for predicting the reaction performance of solid fuel in the chemical chain process, especially a method for predicting the reaction performance of solid fuel in the chemical chain process based on the Gradient Boost Regression Tree model (that is, Gradient Boost Regression Tree, abbreviated as GBRT) , belongs to the technical field of chemical looping combustion. Background technique [0002] Chemical looping technology mainly includes chemical looping combustion and chemical looping gasification, etc. During the process, the fuel does not come into direct contact with the air, but alternately circulates between the two reactors through the oxygen carrier to achieve oxygen transfer. Chemical looping combustion can achieve CO without additional energy consumption 2 Internal separation, chemical looping gasification is to use oxygen carrier instead of pure oxygen to gasify solid fuel, reduce operating costs, and oxygen...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N31/12G06N20/00
CPCG01N31/12G06N20/00
Inventor 王璐璐沈来宏付晗
Owner SOUTHEAST UNIV
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