Title:
METHOD FOR PROLONGING PLATE CLEANING PERIOD OF POLYESTER FIBER SPINNING
Document Type and Number:
WIPO Patent Application WO/2022/143006
Kind Code:
A1
Abstract:
The present invention relates to a method for prolonging a plate cleaning period of polyester fiber spinning, characterized in that: a polyester fiber spinning process is used, and a volatile matter suction pipe having one end communicated with a windless area is provided in the windless area in the spinning process; the volatile matter suction pipe mainly comprises outer pipes, vertical inner pipes, and a horizontal pipe; hole channels communicated with yarn outlet channels are respectively formed in opposite sides of the yarn outlet channels of a heat preservation plate in the windless area; the outer pipes are in one-to-one correspondence with the hole channels and are provided in the hole channels; an inner chamfer is formed at one end of each outer pipe; the end surface, having the inner chamfer formed, of each outer pipe is tangent to the wall of the heat preservation plate forming the yarn outlet channels; the vertical inner pipes are located in the outer pipes; one end surface of each vertical inner pipe is attached to each inner chamfer of each outer pipe; the horizontal pipe is communicated with the other end of each vertical inner pipe and is vertical to the vertical inner pipes; the horizontal pipe is connected to an exhaust pipe and a compressed air cleaning pipe by means of a three-way valve; and the exhaust pipe is communicated with a space having a temperature of 25-30°C. According to the method of the present invention, the plate cleaning period is prolonged from 24 h to 72 h or above compared with the condition that the volatile matter suction pipe is not used.
Inventors:
SHI YUQI (CN)
YIN LIXIN (CN)
WANG LIJUN (CN)
TANG FAN (CN)
PAN GUANGYU (CN)
SHEN LI (CN)
FAN JINGLEI (CN)
YIN LIXIN (CN)
WANG LIJUN (CN)
TANG FAN (CN)
PAN GUANGYU (CN)
SHEN LI (CN)
FAN JINGLEI (CN)
Application Number:
PCT/CN2021/135327
Publication Date:
July 07, 2022
Filing Date:
December 03, 2021
Export Citation:
Assignee:
JIANGSU HENGLI CHEMICAL FIBRE CO LTD (CN)
International Classes:
D01D4/04; D01D5/24; D01D13/02; D01F1/04; D01F1/10; D01F6/92
Foreign References:
| CN206666688U | 2017-11-24 | |||
| CN202064051U | 2011-12-07 | |||
| CN201377012Y | 2010-01-06 | |||
| CN112760725A | 2021-05-07 | |||
| CN111172604A | 2020-05-19 | |||
| CN201605367U | 2010-10-13 | |||
| CN205781628U | 2016-12-07 | |||
| US4538636A | 1985-09-03 |
Attorney, Agent or Firm:
TONGSHE INTELLECTUAL PROPERTY AGENCY (CN)
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