以下为句子列表：
英文: Abstract: The paper introduces briefly the retrofit of the cleaning equipment and the operating results of the cylinder type bag filter in the fluidization systems for the copper smelting flash furnace.
中文: 文摘:简要概述了闪速炉气力输送系统收尘装置的改造和圆筒型布袋收尘装置在气力输送系统中使用的效果。
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英文: Fluidization is one of the most commonly used techniques for drying particulate, but there are channeling and other problems in traditional fluid beds.
中文: 摘要在散状物料干燥方面，流态化干燥技术得到广泛应用，实际使用中，传统流化床干燥存在沟流、死区和局部过热等问题。
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英文: The expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.
中文: 填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。
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英文: The pulsed fluid beds can overcome these problems, especially for uneasily fluidized and special materials, and it has lower pressure drop, small fluidization velocity, height and saving energy etc.
中文: 脉冲流化床干燥器用来干燥不易流化的物料和有特殊要求的物料，能有效克服上述弊端，且具有压降低、流化速度小、床层高度小、节能等优点。
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英文: The results of this experiment showed that pressure drop and flow velocity are related in quadratic function; the effects of opening rate of distributor sad bed height on critical fluidization velocity are rather slight, while the effect of particle size
中文: 得出结论：分布板压降和流速成二次函数关系；以木屑为原料，分布板开孔率和床层高度对临界液化速度的影响不大，粒径分布对临界流化速度随粒径的增大而增加。
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