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对堆肥系统的不同通风控制方式比较结果表明,强制通风静态垛系统宜采用通风速率变化的时间-温度反馈正压通风控制方式(控制堆体中心最高温度为60℃),密闭式堆肥系统宜采用O2 含量反馈的通风控制方式(保持堆料间O2 体积分数为15% ~20% ). 在中国,堆肥系统采用时间控制和时间-温度反馈控制的通风方式比较经济和适宜.
Comparing the different ventilation control methods of composting system, it is suggested that the forced ventilation system should adopt the time-temperature feedback positive pressure ventilation control (the maximum temperature in the center of pile body is 60 ℃) and the closed composting system should adopt Ventilation control for O2 content feedback (keeping O2 volume fraction between stacks at 15% -20%). In China, ventilation of composting systems using time control and time-temperature feedback control is economical and appropriate.