生物质连续热解反应装置的变螺距螺旋输送器设计

Design of Variable Pitch Spiral Conveyor for Biomass Continual Pyrolysis Reactor

摘要:

研制了带有变螺距螺旋输送器的生物质连续热解反应实验装置，对变螺距螺旋输送器参数进行了设计。冷态实验结果表明，变螺距与正、反向螺旋相结合的物料输送方式，更易于热解挥发物顺畅地由尾端排出，保证了连续热解反应的正常进行。该装置对一般生物质处理量约为30 kg/h，停留时间5~10 min，能满足连续稳定热解反应的要求，可开展多种农林生物质连续热解反应的实验研究。

Abstract:

The biomass continuous pyrolysis reaction device with a variable pitch spiral conveyor was developed. To be more specific, the special screw conveyer was designed and optimized. Cold experiments showed that pyrolysis volatiles could be smoother to the end by way of combining the variable pitch with pros and cons screw. For general biomass, the productivity of the device was about 30kg/h, and stay time was 5~10min, which can meet the needs of pyrolysis reaction stably and continuously. Experimental research for various agriculture and forestry biomass could be carried out.