Title:
DUCTLESS VENTILATION METHOD APPLICABLE TO UNDERGROUND WATER TREATMENT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2020/062878
Kind Code:
A1
Abstract:
A ductless ventilation method applicable to an underground water treatment structure, comprising the following steps: after an air supply fan (1) is turned on, outdoor fresh air enters an air supply well (11); the fresh air enters the air supply fan (1) after passing through an array muffler (3) located in the air supply well (11); after being pressurized by the air supply fan (1), fresh air reaches the array muffler (3) at an air outlet of the air supply fan and then is introduced to an air supply tunnel by means of an electric regulating valve (4); an outlet louver (6) of the air supply tunnel is adjusted, and fresh air is sent to a target ventilation area in the form of one-way piston flow-like by means of the air supply tunnel; an air exhaust unit is provided at the end of the target area, and air carrying indoor gaseous pollutants is discharged by means of an exhaust fan (13).
Inventors:
ZHANG XIN (CN)
DONG LEI (CN)
XIAO YAN (CN)
ZHENG KAI (CN)
GAO NAIPING (CN)
ZHU XUEHAI (CN)
DONG LEI (CN)
XIAO YAN (CN)
ZHENG KAI (CN)
GAO NAIPING (CN)
ZHU XUEHAI (CN)
Application Number:
PCT/CN2019/086020
Publication Date:
April 02, 2020
Filing Date:
May 08, 2019
Export Citation:
Assignee:
SHANGHAI MUNICIPAL ENG DESIGN INST GROUP CO LTD (CN)
International Classes:
E03F5/08
Foreign References:
| CN109440910A | 2019-03-08 | |||
| CN109357351A | 2019-02-19 | |||
| CN108005703A | 2018-05-08 | |||
| CN2593099Y | 2003-12-17 | |||
| CN105240041A | 2016-01-13 | |||
| KR20150097149A | 2015-08-26 |
Attorney, Agent or Firm:
SHANGHAI SHIYUAN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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