A method for obtaining pyrolysis kinetic parameters and a mechanism function in multiple heating modes

A technology of kinetic parameters and acquisition methods, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problem that the solid-phase reaction model is not an optimal mechanism function, etc., to avoid thermogravimetric experiments and complex calculation processes. , reliable test and theoretical basis, the effect of a wide range of applications

Inactive Publication Date: 2018-12-11
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

In the past, the commonly used mechanism function matching method was the model matching method, but after detailed research, it was found that this method and the solid-phase reaction model with the highest matching correlation coefficient were often not the optimal mechanism function, and could only provide a partial reference. Therefore, it is necessary to Improvement on existing technology

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  • A method for obtaining pyrolysis kinetic parameters and a mechanism function in multiple heating modes
  • A method for obtaining pyrolysis kinetic parameters and a mechanism function in multiple heating modes
  • A method for obtaining pyrolysis kinetic parameters and a mechanism function in multiple heating modes

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[0014] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] Embodiments of the present invention provide a method for obtaining pyrolysis kinetic parameters and mechanism functions in multiple heating modes, such as figure 1 As shown, it mainly includes the following steps:

[0016] 1. Test with a thermogravimetric analyzer to obtain experimental test data under different heating modes.

[0017] In the embodiment of the present invention, by adjusting the thermogravimetric (TG) analyzer, setting the...

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Abstract

A method for obtaining pyrolysis kinetic parameters and mechanism function in multiple heating modes is disclosed. Combined with the intelligent algorithm of the thermal analysis instrument and software system, the pyrolysis reaction process can be quantitatively characterized, the mechanism function can be determined, the pyrolysis kinetic parameters can be obtained, and the reasonable and optimal modification mode of the mechanism function can be fitted, which can predict the pyrolysis process of the sample. According to the obtained parameters, the kinetic model of pyrolysis can be established. The above scheme solves the problems that a current method for obtaining the pyrolysis kinetic parameters is complicated and a mechanism function is poor in matching accuracy, can effectively avoid a large number of thermogravimetric experiments and complex calculation processes needed in the study of material pyrolysis kinetics, and provides reliable experimental and theoretical basis for the rational use of materials, so the method has a wide range of application fields and great application values.

Description

technical field [0001] The invention relates to the field of thermal analysis kinetics, in particular to a method for acquiring pyrolysis kinetic parameters and mechanism functions under multiple heating modes. Background technique [0002] Pyrolysis refers to the reaction process in which substances are decomposed by heating. Pyrolysis technology is widely used in the degradation and recycling of urban waste and industrial and agricultural waste, and in the fields of biomass energy, coal, and petroleum utilization. It plays an important role in waste disposal and energy utilization. At the same time, pyrolysis is the basis of the combustion of solid combustibles, and it is also of great significance to the research of fire science. Thermal analysis method is an effective method in the field of pyrolysis research, and is widely used in physics, chemistry, chemical industry, metallurgy, geology, building materials, fuel, textile, food, biology and other fields. It refers to ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 李宓姜林孙金华
Owner UNIV OF SCI & TECH OF CHINA
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