PDF(Pubmed)
Abstract：
This article examines the effects of different storage conditions on selected physicochemical properties of three types of agro-biomass pellets: sunflower husks, wheat straw and hemp hurds, and wood pellets. The tests were carried out in a climatic chamber, which allows simulation of real storage conditions, i.e. conditions with high air humidity and variable (±) ambient air temperatures. The results showed higher degradability of agro-biomass pellets compared to woody biomass. The pellets degraded to a less extent at varying ± temperatures than at high humidity (90% RH). After complete moisture saturation, durability decreases for agro-pellets by an average of 9%, while after freezing and defreezing for sunflower husk pellets and woody pellets durability decreases by 2%, and for hemp hurd pellets by 11%. In contrast, strength-by-dropping index for agro-pellets decreased by 20% after being in the environment (30 °C and 90%RH) and 15% under varying temperature conditions. No change in the energy parameters of all pellets in the dry matter was noted. On the other hand, an increase in the moisture content of pellets when they are stored under different environmental conditions results in a decrease in calorific value.
摘要：
本文研究了不同储存条件对三种类型的农业生物质颗粒的选定理化性质的影响：向日葵壳，麦草和大麻，和木质颗粒。测试是在气候室中进行的，可以模拟真实的储存条件，即具有高空气湿度和可变(±)环境空气温度的条件。结果表明，与木质生物质相比，农业生物质颗粒的降解能力更高。与在高湿度(90%RH)下相比,粒料在变化的±温度下降解的程度较小。水分完全饱和后，农产品颗粒的耐久性平均下降9%，而在向日葵果壳颗粒和木质颗粒的冷冻和除霜后，耐久性降低了2%，和11％的大麻草丸。相比之下,在环境（30°C和90％RH）中，农产品颗粒的下降强度指数下降了20％，在不同的温度条件下下降了15％。没有注意到干物质中所有颗粒的能量参数的变化。另一方面,颗粒在不同环境条件下储存时，水分含量的增加会导致热值降低。
