在二维流化床试验装置上，对由大颗粒物料组成的密相鼓泡流态化床进行了试验研究。
On the equipment of two dimensional fluidized bed, we were primarily engaged in experimental research on coarse particle dense bubbling fluidized bed.
蒸气中挥发性较小的部分在通过板上液体的鼓泡中冷凝下来，流至下一层塔板，最终回到再沸器。
The less volatile portions of vapor condense in bubbling through the liquid on the plate, overflow to the next lower plate, and ultimately back into the reboiler.
对于一些适宜的煤种，利用净化能力强、分选效率高的旋流微泡浮选柱可以分选出灰分小于2%的低灰煤。
Low ash coal with an ash content lower than 2% can be separated from some suitable coal with its purification ability and by a high efficient cyclonic microfoam columned pneumatic floatation machine.
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