Title:
HELIUM RECOVERY SYSTEM FOR COOLING PIPE MADE OF OPTICAL FIBER AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/010773
Kind Code:
A1
Abstract:
A helium recovery system for a cooling pipe made of an optical fiber, characterized in that, the system comprises the following components that are connected sequentially: an acquisition unit (101), comprising an intake air converging tank (22) and a plurality of acquisition pipelines which are arranged in parallel and connected to the intake air converging tank, each acquisition pipeline being connected to a cooling pipe (10), and each acquisition pipeline being provided with a control valve (20); a compression and purification unit (102), comprising a compression pump and a purification device which are connected in the gas flow direction, receive the helium-enriched exhaust gas acquired by the converging tank, and output same after compression and purification; and a gas supply unit (103), comprising a gas supply converging tank (50), which receives the high-purity helium gas provided by the compression and purification unit, and supplies the high-purity helium gas to cooling pipes by means of a plurality of conveying pipes arranged in parallel, each conveying pipe being connected to a cooling pipe. Further provided is a control method for said system. The system and the control method can be used to recover and utilize the helium-enriched exhaust gas of cooling pipes of a drawing tower.
Inventors:
HUANG WEI (CN)
SHI TONGQIANG (CN)
LIU ZHAOMING (CN)
MA XIANGLIAN (CN)
LV JIXIANG (CN)
ZHANG XUEHUA (CN)
ZHAO JUN (CN)
ZHANG XI (CN)
SHI TONGQIANG (CN)
LIU ZHAOMING (CN)
MA XIANGLIAN (CN)
LV JIXIANG (CN)
ZHANG XUEHUA (CN)
ZHAO JUN (CN)
ZHANG XI (CN)
Application Number:
PCT/CN2018/116090
Publication Date:
January 16, 2020
Filing Date:
November 19, 2018
Export Citation:
Assignee:
ANHUI VACREE TECH CO LTD (CN)
International Classes:
C01B23/00; C03B37/02; C03B37/07
Foreign References:
| CN108821251A | 2018-11-16 | |||
| CN103553322A | 2014-02-05 | |||
| CN203700194U | 2014-07-09 | |||
| CN104555955A | 2015-04-29 | |||
| CN105948003A | 2016-09-21 | |||
| CN205575645U | 2016-09-14 | |||
| CN106744749A | 2017-05-31 | |||
| CN103771362A | 2014-05-07 | |||
| JP2013124193A | 2013-06-24 |
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