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Study on Pyrolysis Characteristics and Kinetics of Organic Fireproof Plugging Material by Shuffled Complex Evolution by Jiaqing Zhang; Yubiao Huang; Sha Luo; Shenghe Wang; Yanming Ding is a Materials Science article available to read on EtoBox.

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Organic fireproof plugging material (OFPM) is widely used to plug the holes of substation cables passing through the wall, and fireproof performance of OFPM plays a vital role in fire safety. In this paper, thermogravimetric experiments of OFPM in nitrogen atmosphere at different heating rates were carried out to study the pyrolysis kinetics for dealing with its fire hazards. The thermogravimetric curves showed four obvious peak regions at about 500 K, 700 K, 850 K and 1000 K, with mass loss of 35%, 10%, 15% and 40%, which indicated that the whole thermal degradation process could be divided into four stages: Dehydrochlorination of neoprene, depolymerization of neoprene, dehydroxylation of kaolinite and decomposition of carbonate. The initial kinetic parameters were calculated by Kissinger method, and the activation energies of the four stages were 64.14, 207.14, 406.12 and 181.65 kJ mol −1 , respectively. In addition, Shuffled Complex Evolution (SCE) algorithm was used to optimize the obtained parameters. The predicted results based on the optimized parameters were in good agreement with the experimental data. Eventually, the optimized kinetic parameters were compared with the res

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Author

Jiaqing Zhang; Yubiao Huang; Sha Luo; Shenghe Wang; Yanming Ding

Publisher

Springer Science and Business Media LLC

Published

2022

Language

EN

Field

Materials Science (Physical Sciences)