The results show that the principle of re-circulating rate does not change compared to conventional CFB.
结果表明：在双级料腿循环流化床中，与常规的循环流化床相比，循环流率的规律没有发生变化。
Experiments were carried out in a lab-scale double-dipleg circulating fluidized bed (DDCFB) to study effects of experiment conditions on re-circulating rate and pressure balance.
主要研究了试验工况对循环流率的影响以及系统的压力平衡变化。
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