The influence of temperature, gas-liquid ratio, gas-liquid rate, residual oil saturation and permeability on steam foam sealing ability is studied on the basis of microscopic percolation study.

在蒸汽泡沫微观渗流研究的基础上，研究了温度、气液比、气液速率、残余油饱和度以及渗透率对蒸汽泡沫封堵能力的影响。

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The recovery system of residual heat from flue gas can reduce the flue gas temperature of direct-fired machine and increase the primary energy utilization rate of direct-fired machine in summer.

烟气余热回收系统不仅降低了直燃机排烟温度，还提高了夏季直燃机的一次能源利用率。

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