该文旨在确定影响油松固体燃料物理性能的因素,并优化优质油松固体燃料对应的参数组合。通过单因素试验研究颗粒度、温度、含水率、压力对油松固体燃料物理特性,如密度、耐久性、抗跌碎性的影响规律,并通过满意度函数法对三因素三水平响应面结果进行多响应优化。结果表明,当颗粒度为0.16~1.25 mm、温度为90~130 ℃、含水率为4%~9%、压力为70~110 MPa时,可成型质量优良的油松固体燃料。对于颗粒度为0.16~0.63 mm的油松原料,三响应优化结果为：温度130 ℃、含水率5.15%、压力96.88 MPa,此条件下固体燃料密度、耐久性、抗跌碎性分别达到1.089 g/cm3 、99.33%、99.79%。颗粒度、温度、含水率、压力对油松固体燃料物理性能影响显著。
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.
关键词
生物质固体 /
成型 /
优化 /
油松 /
废弃物利用 /
满意度函数
Key words
biosolids /
molding /
optimization /
Pinus tabulaeformis /
waste utilization /
desirability functions
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基金
国家重点研究计划（2016YFD0701804）; 山西省重点研发计划（农业）（201703D221030-2）; 山西省面上自然基金（201801D121277）; 山西农业大学科技创新基金（2015ZZ09）
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