Inclination to self-ignition and analysis of gaseous products of wood chips heating

IF 0.9 Q4 CHEMISTRY, MULTIDISCIPLINARY Acta Chimica Slovaca Pub Date : 2020-04-01 DOI:10.2478/acs-2020-0013
Michaela Skřížovská, Hana Věžníková, Petra Roupcová
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引用次数: 2

Abstract

Abstract This paper focuses on the assessment of the inclination to self-ignition of various types of wood chips according to the methodology of European standard EN 15188. The study also assesses the effect of heating temperatures on the composition and quantity of gaseous products of heating. Gases were analysed using an infrared spectrometer with Fourier transformation. From the measured results it was found that the inclination to self-ignition differs for various samples of wood chips. The paper discusses certain parameters assumed to affect the inclination of biomass to self-ignite. When assessing the effect of temperature on the composition of gaseous products, a sample of forest wood chips heated at temperatures from 50 to 150 °C resulted in the following gaseous products: carbon dioxide, carbon monoxide, water and aliphatic hydrocarbons; their concentrations increase with the increasing temperature. Carbon oxides have been proposed as indicators of the state of stored materials self-heating. Observations presented in this paper can be used as data for elaborating safety instructions for storage of fuels based on solid biomass.
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木屑加热气体产物的自燃倾向及分析
摘要本文根据欧洲标准EN15188的方法,重点评估了各种类型木屑的自燃倾向。该研究还评估了加热温度对加热气体产物组成和数量的影响。使用傅里叶变换红外光谱仪对气体进行分析。根据测量结果,发现不同的木屑样品的自燃倾向不同。本文讨论了影响生物质自燃倾向的某些参数。在评估温度对气体产物组成的影响时,在50至150°C的温度下加热的森林木屑样品产生以下气体产物:二氧化碳、一氧化碳、水和脂肪烃;它们的浓度随着温度的升高而增加。碳氧化物已被提议作为储存材料自加热状态的指标。本文中的观察结果可作为制定基于固体生物质的燃料储存安全说明的数据。
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Acta Chimica Slovaca
Acta Chimica Slovaca CHEMISTRY, MULTIDISCIPLINARY-
自引率
12.50%
发文量
11
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