Title:
ONLINE DRAFT-IN-PLACE GRAVITY SEWAGE DISCHARGING DEVICE AND METHOD, AND SUCTION AND BLOWING-OFF SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO/2022/110702
Kind Code:
A1
Abstract:
The present disclosure provides an online draft-in-place gravity sewage discharging device and method, and a suction and blowing-off system and method. The online draft-gravity sewage discharging device comprises: a container body having a feed inlet and a discharge port, the feed inlet being configured to pass the sewage into the interior of the container body when the interior of the container body is in a negative pressure state; a draft assembly located at the top of the container body and configured to discharge air from the container body in an open state until the interior of the container body is in the negative pressure state, and change from the open state to the closed state after the sewage enters the interior of the container body; and a gravity sewage discharging assembly located at the bottom of the container body and configured to close the discharge port of the container body in a normally closed state, and change from the normally closed state to the open state under the action of gravity of the sewage to discharge the sewage from the discharge port.
Inventors:
FAN BIN (CN)
ZHU SHIKUN (CN)
QIAN TINGTING (CN)
ZHANG HONGQIAO (CN)
MA YUNJIAO (CN)
ZHU SHIKUN (CN)
QIAN TINGTING (CN)
ZHANG HONGQIAO (CN)
MA YUNJIAO (CN)
Application Number:
PCT/CN2021/096083
Publication Date:
June 02, 2022
Filing Date:
May 26, 2021
Export Citation:
Assignee:
RES CENTER FOR ECO ENVIRONMENTAL SCIENCES CHINESE ACADEMAY OF SCIENCES (CN)
CHANGSHU GUOKE AIWEI RURAL DRAINAGE ENGINEERING TECH CO LTD (CN)
CHANGSHU GUOKE AIWEI RURAL DRAINAGE ENGINEERING TECH CO LTD (CN)
International Classes:
E03D11/02; E03D11/10; E03F1/00
Domestic Patent References:
| WO2004065704A1 | 2004-08-05 |
Foreign References:
| CN112554301A | 2021-03-26 | |||
| CN201762796U | 2011-03-16 | |||
| CN106460381A | 2017-02-22 | |||
| CN111576573A | 2020-08-25 | |||
| CN201010964Y | 2008-01-23 | |||
| CN106836409A | 2017-06-13 | |||
| CN101691777A | 2010-04-07 | |||
| JP2014125719A | 2014-07-07 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
Download PDF: