Title:
MULTI-STAGE FLUIDIZATION TOWER
Document Type and Number:
WIPO Patent Application WO/2022/007457
Kind Code:
A1
Abstract:
A multi-stage fluidization tower, comprising a pre-drying tower (A) and a horizontal multi-stage fluidized bed (B). A main shaft (6) is arranged along the axis of the pre-drying tower (A). A first pre-drying layer (1), a first interlayer air chamber (2), a second pre-drying layer (3) and a second interlayer air chamber (4) are sequentially arranged in an inner cavity of a cylindrical body of the pre-drying tower from top to bottom, wherein circular sieve plates (5) are respectively arranged at the tops of the first and second interlayer air chambers (2, 4), material-rake-type stirring fins (6a) are respectively arranged above the circular sieve plates (5), the side walls of the first and second interlayer air chambers (2, 4) are respectively provided with pre-drying air inlets (2a, 4a), and the centers of the tops of the first and second pre-drying layers (1, 3) are respectively provided with pre-drying layer air outlets (1a, 3a); the side wall of the first pre-drying layer (1) is connected to a feeding chute (1b) and a first pre-drying overflow port (1d), an outlet of the feeding chute (1b) is provided with a scattering device (1c), and the first pre-drying overflow port (1d) is connected to a feeding port in the cylinder wall of the second pre-drying layer (3) by means of a pre-drying chute (1e); and the cylinder wall of the second pre-drying layer (3) is also provided with a second pre-drying overflow port (3b) which is in butt joint with a feeding port of the horizontal multi-stage fluidized bed (B). The fluidization tower does not require materials to be returned, and can adopt a first-in first-out approach for materials, and the discharging quality is high.
Inventors:
XU JING (CN)
HUANG WENPAN (CN)
LU CHAO (CN)
ZHANG ZHENQI (CN)
CHANG ZHAICHENG (CN)
YUAN YUAN (CN)
HUANG WENPAN (CN)
LU CHAO (CN)
ZHANG ZHENQI (CN)
CHANG ZHAICHENG (CN)
YUAN YUAN (CN)
Application Number:
PCT/CN2021/087329
Publication Date:
January 13, 2022
Filing Date:
April 15, 2021
Export Citation:
Assignee:
MYANDE GROUP CO LTD (CN)
International Classes:
F26B3/08; A23N17/00; F26B3/30; F26B21/00; F26B25/00; F26B25/04
Foreign References:
| CN111637687A | 2020-09-08 | |||
| CN212299679U | 2021-01-05 | |||
| CN2816708Y | 2006-09-13 | |||
| KR101629409B1 | 2016-06-10 | |||
| RU2718632C1 | 2020-04-10 | |||
| CN202204244U | 2012-04-25 | |||
| CN105972948A | 2016-09-28 | |||
| CN205332663U | 2016-06-22 |
Attorney, Agent or Firm:
NANJING SUKE PATENT AGENT LIMITED LIABILITY COMPANY (CN)
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