Title:
PULSE-TYPE SUPERCRITICAL CARBON DIOXIDE PRINTING AND DYEING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/121409
Kind Code:
A1
Abstract:
Disclosed in the present utility model is a pulse-type supercritical carbon dioxide printing and dyeing device, comprising: a CO2 storage tank, a three-primary-color tank, a dye tank, a pulse-type generator, a dyeing kettle, a dye collection tank, a pressure reduction cooling unit, and an extraction separation unit, wherein the CO2 storage tank is connected to the dye tank by means of the three-primary-color tank after sequentially passing through a filtering unit, a drying unit, a heating unit, and a pressurizing unit; the dye tank is connected to the dyeing kettle by means of an auxiliary tank, a flowmeter, and a plurality of parallel-connected pulse-type injectors in sequence; each of the pulse-type injectors is separately connected to a plurality of liquid inlet holes in each section of the dyeing kettle; each section of the dyeing kettle is provided with a dual-core ultrasonic generation device and a bidirectional circulating pump; and the bottom of the dyeing kettle is connected to the dye tank and the dye collection tank by means of pipelines. The optimal dye liquor conveying condition can be implemented by adopting pulse type conveying; the printing and dyeing uniformity and the printing and dyeing efficiency are improved; and a printing and dyeing process is environment-friendly, clean in production, good in economic benefits, and remarkable in environmental benefits.
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Inventors:
YANG JINGFENG (CN)
Application Number:
PCT/CN2020/137761
Publication Date:
June 24, 2021
Filing Date:
December 18, 2020
Export Citation:
Assignee:
SHANGHAI FULUDI FLUID TECH CO LTD (CN)
International Classes:
D06B3/09; D06B23/18; D06B23/20; D06P1/94
Foreign References:
| CN111826846A | 2020-10-27 | |||
| CN111020925A | 2020-04-17 | |||
| CN101555665A | 2009-10-14 | |||
| US20080000505A1 | 2008-01-03 | |||
| CN110565415A | 2019-12-13 | |||
| CN106835558A | 2017-06-13 | |||
| US20070169794A1 | 2007-07-26 |
Attorney, Agent or Firm:
SHANGHAI BESTFAMEIP INTELLECTUAL PROPERTY ATTORNEYS (CN)
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