CAJ | 학술논문

以麦秆、橡树木屑和华亭烟煤为原料，研究热解产物的理化特性并讨论燃料种类和热解温度对其的影响。采用BET、SEM-EDS、XRD和TGA对其进行分析表征。结果表明：在600~1000℃的温度范围内，煤焦的比表面积和孔隙容积随热解温度增加而增大，而木屑焦的变化不明显，麦秆焦在800℃时比表面积和孔隙容积最大，更高温度则发生烧结；焦样中C元素含量随热解温度升高而增加，而H元素和O元素随之降低，麦秆焦的着火特性优于木屑焦和煤焦。木屑焦和煤焦的着火特性随热解温度升高而变差，而麦秆焦在800℃具有最佳的着火特性。
이맥간、상수목설화화정연매위원료，연구열해산물적이화특성병토론연료충류화열해온도대기적영향。채용BET、SEM-EDS、XRD화TGA대기진행분석표정。결과표명：재600~1000℃적온도범위내，매초적비표면적화공극용적수열해온도증가이증대，이목설초적변화불명현，맥간초재800℃시비표면적화공극용적최대，경고온도칙발생소결；초양중C원소함량수열해온도승고이증가，이H원소화O원소수지강저，맥간초적착화특성우우목설초화매초。목설초화매초적착화특성수열해온도승고이변차，이맥간초재800℃구유최가적착화특성。
The effects of fuel type and pyrolysis temperature on the physicochemical properties of coal char( C-char)and biomass char were investigated with straw,oak sawdust,and Huating bituminous coal as raw materials. BET,SEM-EDS,XRD,and TGA were used to analyze the coke specimens. Results show that the BET surface area and porous volume of C-char increase as the pyrolysis temperature increases,whereas those of wood char( W-char)insignificantly change,from 600 to 1 000 ℃. Straw char ( S-char)has the largest surface area and pore volume at 800 ℃ as sintering occurs at higher temperatures. As the pyrolysis temperature increases,the C content of char increases and its H and O contents decrease. The ignition characteristic of S-char is superior to those of W-char and C-char. The ignition characteristics of Wood-char and C-char decrease with the increase of pyrolysis temperature. Straw-char exhibits the best ignition characteristic at 800℃.