Stepped differential-velocity fluidized bed cooler
A fluidized bed cooler, a stepped technology, applied in the field of fluidized bed coolers, can solve the problems of poor cooling effect, high discharge temperature, uneven discharge particle temperature, etc., to achieve improved cooling efficiency, uniform temperature, good cooling effect
Inactive Publication Date: 2012-05-02
HARBIN INST OF TECH
4 Cites 18 Cited by
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The invention discloses a stepped differential-velocity fluidized bed cooler relating to a fluidized bed cooler. The invention aims to solve the problems of overhigh discharging temperature, poor cooling effect and non-uniform discharged grain temperature in the traditional fluidized bed cooler. A feeding pipe is communicated with the side wall at one end of a fluidized bed main body; an outer side wall at the other end of the fluidized bed main body is provided with an exhaust pipe and a first discharging pipe from the top down; a plurality of air chambers are arranged in the fluidized bed main body; the air chambers are arranged in sequence from high to low along the feeding-to-discharging direction of the fluidized bed main body; the upper end of each air chamber is provided with an air distribution plate; each air distribution plate is provided with a second discharging pipe; a plurality of air distribution holes are uniformly distributed and processed on each air distribution plate; a hood is arranged at each air distribution hole; an overflow plate is vertically arranged between every two adjacent air distribution plates; and the height of each overflow plate is sequentially and progressively reduced along the feeding-to-discharging direction of the fluidized bed main body. The stepped differential-velocity fluidized bed cooler is used for high-temperature granular materials in the cooling industry field.
Application Domain
Direct contact heat exchangers
Technology Topic
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