OPTIMIZATION OF SOLID FUEL PROCESS PARAMETERS OF Pinus tabulaeformis BASED ON DESIRABILITY FUNCTIONS METHOD

Dai Wei; Zhang Jing; Li Yanping; Zheng Decong

doi:10.19912/j.0254-0096.tynxb.2020-0375

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Acta Energiae Solaris Sinica ›› 2022, Vol. 43 ›› Issue (2) : 40-48. DOI: 10.19912/j.0254-0096.tynxb.2020-0375

OPTIMIZATION OF SOLID FUEL PROCESS PARAMETERS OF Pinus tabulaeformis BASED ON DESIRABILITY FUNCTIONS METHOD

Dai Wei¹, Zhang Jing¹, Li Yanping², Zheng Decong¹

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Abstract

It is an effective transformation method to use Pinus tabulaeformis waste as fuel. The purpose of this paper is to determine the factors affecting the physical properties of Pinus tabulaeformis solid fuel and to optimize the corresponding combination of parameter for high quality Pinus tabulaeformis solid fuel. The effects of particle size, temperature, water content and pressure on the physical properties （density, durability and impact resistance） of Pinus tabulaeformis solid fuel were studied by single factor experiment, and three factors and three levels response surface were optimized by Desirability Functions method. The final results show that when the particle size is 0.16-1.25 mm, the temperature is 90-130 ℃, the water content is 4%-9%, and the pressure is 70-110 MPa, the solid fuel with good quality can be formed. For Pinus tabulaeformis with particle size of 0.16-0.63 mm, the three response optimization results are as follows： temperature 130 ℃, water content 5.15%, pressure 96.88 MPa. Under these conditions, the density, durability and impact resistance of solid fuel is 1.089 g/cm³, 99.33% and 99.79% respectively. Particle size, temperature, water content and pressure have significant influence on the physical properties of Pinus tabulaeformis solid fuel.

Key words

biosolids / molding / optimization / Pinus tabulaeformis / waste utilization / desirability functions

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Dai Wei, Zhang Jing, Li Yanping, Zheng Decong. OPTIMIZATION OF SOLID FUEL PROCESS PARAMETERS OF Pinus tabulaeformis BASED ON DESIRABILITY FUNCTIONS METHOD[J]. Acta Energiae Solaris Sinica. 2022, 43(2): 40-48 https://doi.org/10.19912/j.0254-0096.tynxb.2020-0375

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