Two-tier fluidized bed
A fluidized bed and double-layer technology, applied in hearth furnaces, lighting and heating equipment, drying, etc., can solve the problems of low heat energy utilization rate of fluidized bed, affecting drying efficiency, weak wind effect, etc., and achieve structural Simple, improve fluidization quality, and prolong service life
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Embodiment 1
[0026] A double-layer fluidized bed comprises an upper body 1 and a lower body 4, an air inlet 8 and an air outlet 9, and the upper body 1 and the lower body 4 are horizontally provided with a distribution plate 2 for holding materials. The air inlet 8 is arranged on the side wall below the distribution plate 2 of the lower body 4 ; the air outlet 9 is arranged above the upper body 1 . A spiral deflector 7 is provided at the air inlet 8, and the spiral deflector 7 is fan-shaped and inclined, so that the direction of the hot air entering the fluidized bed changes along the direction of the spiral deflector 7, Thereby, the phenomenon of uneven heating caused by direct blowing of hot air is avoided. The distribution plates 2 are provided with ventilation holes, and the ventilation holes are arranged in a staggered manner. A vent pipe 6 is provided on the vent hole on the distribution plate 2; a wind cap 5 is provided on the vent pipe 6. The wind cap 5 is sleeved on the ventilat...
Embodiment 2
[0029] A double-layer fluidized bed comprises an upper body 1 and a lower body 4, an air inlet 8 and an air outlet 9, and the upper body 1 and the lower body 4 are horizontally provided with a distribution plate 2 for holding materials. The air inlet 8 is arranged on the side wall below the distribution plate 2 of the lower body 4 ; the air outlet 9 is arranged above the upper body 1 . The upper body 1 and the lower body 4 can be butted in a sealed manner, and the outer wall of the upper body 1 is provided with a supporting handle 3 for moving, so that the fluidized bed realizes the multifunctionality of the equipment. A spiral deflector 7 is provided at the air inlet 8, and the spiral deflector 7 is fan-shaped and inclined, so that the direction of the hot air entering the fluidized bed changes along the direction of the spiral deflector 7, Thereby, the phenomenon of uneven heating caused by direct blowing of hot air is avoided. The distribution plates 2 are provided with ve...
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