Study on Fine Coal Separation in Magnetically Stabilized Fluidized Beds
Study on Fine Coal Separation in Magnetically Stabilized Fluidized Beds
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发表时间：
2001
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通讯作者：
F. Mao
中科院分区：
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作者：
F. Mao
介绍了一种磁稳流态化分选6~0.5 mm细粒煤的新技术。在磁稳床中，沿流态化气流方向施加空间均匀、时间不变的弱磁场，可以消除气泡，防止分离出的固体颗粒返混。因此，它可以实现细粒分选。讨论了流态化介质特性、磁稳床选煤原理及分选效果。
A new technology of magnetically stabilized fluidized beds for separating fine coal (6 to 0.5mm) was presented. The magnetically stabilized bed in which a weak spatially uniform and invariant in time magnetic field is applied along the line of fluidizing gas flow can eliminate gas bubbling and prevent the back mixing of the separated solids. Therefore it can bring fine coal separation into effect. The fluidization media characteristics, the principle of coal separation in magnetically stabilized fluidized beds, and the separation results were discussed.