Title:
RAW MATERIAL VERTICAL MILL EXTERNAL CIRCULATION SYSTEM AND PROCESS
Document Type and Number:
WIPO Patent Application WO/2021/093256
Kind Code:
A1
Abstract:
A raw material vertical mill external circulation system, comprising a proportioning belt conveyor (29), a feed elevator (30), a feed conveying mechanism (31), a feed tee coupling (32), a V-shaped powder concentrator (33), an external circulation vertical roller mill (37), a cyclone (38), a circulation draught fan (39), and a bag type dust remover (40). The external circulation vertical roller mill (37) comprises a powder milling cylinder (26) at the lower part and a powder concentration cylinder (9) at the upper part; the mill is disposed in the powder milling cylinder (26); the powder concentrator is disposed in the powder concentration cylinder (9); the powder milling cylinder (26) and the powder concentration cylinder (9) are separated by a partition (13); the outlet of a powder concentration coarse powder hopper (11) of the powder concentrator runs through the partition and extends into the powder milling cylinder (26).
Inventors:
LIU ZIHE (CN)
ZHANG GUICAI (CN)
ZHANG GUICAI (CN)
Application Number:
PCT/CN2020/082623
Publication Date:
May 20, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
NANJING JULI INTELLIGENT MANUFACTURING TECH INSTITUTE CO LTD (CN)
International Classes:
B02C15/00; B02C23/20; B02C23/34; B04C9/00
Foreign References:
| CN110860343A | 2020-03-06 | |||
| CN109174409A | 2019-01-11 | |||
| CN204523101U | 2015-08-05 | |||
| CN105080698A | 2015-11-25 | |||
| CN207102827U | 2018-03-16 | |||
| CN103342482A | 2013-10-09 | |||
| CN203155301U | 2013-08-28 | |||
| JP2013226503A | 2013-11-07 |
Attorney, Agent or Firm:
NANJING RUIZHIBO INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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