Title:
DOWN FEATHER SEPARATION PRODUCTION PROCESS
Document Type and Number:
WIPO Patent Application WO/2023/125218
Kind Code:
A1
Abstract:
A down feather separation production method, and down feathers obtained thereby. The method comprises the following steps: S1, carrying out dust removal on a down feather raw material by using a first-stage dust removal device, so as to obtain a first-stage raw material after same has been subjected to dust removal; S2, feeding the first-stage raw material into a washing machine, washing same with a washing liquid at 30-40ºC until a filtrate is clear, washing same with water once more, and then feeding same into a water removal apparatus for water removal, so as to obtain a second-stage raw material; S3, feeding the second-stage raw material into a dryer for drying, so as to obtain a third-stage raw material; and S4, feeding the third-stage raw material into a second-stage dust removal device, so as to obtain a fourth-stage raw material after same has been subjected to dust removal, removing impurities from the fourth-stage raw material, and then feeding same into a feather separator for a feather separation treatment. The method overcomes the defects in the prior art; and the production method is thorough in terms of dust removal, and the washed down feathers are soft and highly fluffy, thereby effectively improving the quality of the down feathers.
Inventors:
LI LINGANG (CN)
YU JINGUI (CN)
ZHU YELONG (CN)
YU XUEYONG (CN)
QIN YU (CN)
YU JINGUI (CN)
ZHU YELONG (CN)
YU XUEYONG (CN)
QIN YU (CN)
Application Number:
PCT/CN2022/140876
Publication Date:
July 06, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
UNIV WEST ANHUI (CN)
THE SEA FEATHER LTD COMPANY OF LUAN (CN)
LUAN FENGYU ENVIRONMENTAL PROTECTION TECH CO LTD (CN)
THE SEA FEATHER LTD COMPANY OF LUAN (CN)
LUAN FENGYU ENVIRONMENTAL PROTECTION TECH CO LTD (CN)
International Classes:
D01B3/02; D01B3/04; D01G5/00
Foreign References:
| CN114411269A | 2022-04-29 | |||
| CN101485498A | 2009-07-22 | |||
| CN113073468A | 2021-07-06 | |||
| CN102242420A | 2011-11-16 | |||
| CN102011198A | 2011-04-13 | |||
| CN104307751A | 2015-01-28 | |||
| CN212426246U | 2021-01-29 | |||
| CN212746552U | 2021-03-19 | |||
| CN2907892Y | 2007-06-06 | |||
| KR101311284B1 | 2013-10-14 |
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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