【摘要】 文章利用生物质复合式固定床低焦油热解气化中试装置,对木耳种植废料进行了热解气化、产炭试验研究,探讨了以木耳种植废料为原料的复合式固定床低焦油气化炉的启动特性,二次风量对气体重整区温度和出炉燃气热值的影响,气体重整区温度对燃气成分和焦油裂解的影响,出炭量对生物质炭品质的影响以及稳定工况下的炉内温度分布等。试验结果表明:复合式固定床气化装置启动时间较长;二次风量与气体重整区的温度呈正向变化,与燃气热值呈反向变化;气体重整区的高温对燃气中焦油的裂解效果显著;气炭联产适宜的出炭率为25%~30%。文章研究结果对木耳种植废料的能源化利用具有指导意义。更多还原

【Abstract】 The pyrolysis gasification and biochar production of agaric cultivation waste were studied in the low-tar biomass compound fixed bed pilot reactor. The starting characteristics of compound fixed bed low tar gasifier based on agaric cultivation waste, the effects of secondary air flow on the temperature of reforming area and the calorific value of gas, the effects of temperature on gas components and tar cracking, the effect of biochar yield on its quality, and the temperature distribution in the reactor under steady conditions were investigated. The results indicated that the starting time of the compound fixed bed gasifier was longer, the secondary air flow and the temperature of the reforming area were positive, and it was opposite to the calorific value of the gas, high temperature of reforming areacould remarkably promote the tar cracking, and the appropriate biochar yield ranged from 25% to30%. This paper is of great guiding significance for energy utilization of agaric cultivation wast.更多还原