Title:
FINE PROCESSING METHOD AND DEVICE FOR PREPARING MICRO/NANO POWDER
Document Type and Number:
WIPO Patent Application WO/2021/088098
Kind Code:
A1
Abstract:
Provided are a fine processing method and device for preparing a micro/nano powder for use in the production a composite micro/nano powder particle. The method comprises: attaching a nano-powder particle to a micro-powder particle by means of mechanical impact milling; and simultaneously shaping the nano-powder particle and the micro-powder particle into spherical or sphere-like particles. The invention can improve properties of a powdery material. In addition, the invention can reduce impurities in a powder by modifying an inner surface of a processing device, thereby improving processing quality.
Inventors:
LEI YUXIONG (CN)
GAI GUOSHENG (CN)
HUA WEIDI (CN)
GAI DONGHAI (CN)
GAI GUOSHENG (CN)
HUA WEIDI (CN)
GAI DONGHAI (CN)
Application Number:
PCT/CN2019/117250
Publication Date:
May 14, 2021
Filing Date:
November 11, 2019
Export Citation:
Assignee:
NANJING TSINGDA METAL NEW MAT CO LTD (CN)
MAANSHAN METAL FOAM NEW MAT CO LTD (CN)
MAANSHAN METAL FOAM NEW MAT CO LTD (CN)
International Classes:
B01J2/10; B01J2/00; B02C19/00; B22F1/02; B24B1/00
Domestic Patent References:
| WO2016069604A1 | 2016-05-06 |
Foreign References:
| CN101653826A | 2010-02-24 | |||
| CN1827301A | 2006-09-06 | |||
| CN202962605U | 2013-06-05 | |||
| CN2917941Y | 2007-07-04 | |||
| CN103785822A | 2014-05-14 | |||
| CN103046012A | 2013-04-17 | |||
| CN101489777A | 2009-07-22 |
Attorney, Agent or Firm:
JJS INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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