Title:
SELF-TREATING ENERGY-SAVING ENVIRONMENTALLY-FRIENDLY SANITATION SYSTEM FOR RAIL TRAIN
Document Type and Number:
WIPO Patent Application WO/2020/037776
Kind Code:
A1
Abstract:
A self-treating energy-saving environmentally-friendly sanitation system for a rail train comprises: an electrical control unit (6) and a vacuum toilet (1), a microbial degradation sewage tank (2), a filtration device (3), a disinfection device (4), and a recovery water tank (5) sequentially connected by pipelines. A pipeline between a sewage discharging port of the vacuum toilet (1) and the microbial degradation sewage tank (2) is equipped with a sewage discharging solenoid valve (8). A pipeline between the microbial degradation sewage tank (2) and the filtration device (3) is equipped with a filtration solenoid valve (9). A pipeline between the filtration device (3) and the disinfection device (4) is equipped with a disinfection solenoid valve (10). A pipeline between the disinfection device (4) and the recovery water tank (5) is equipped with a recovery solenoid valve (11) and a recovery water pump (12). A pipeline is connected between the recovery water tank (5) and a water path interface of the vacuum toilet (1), and the pipeline is equipped with a water supply pump (26) and a water outlet solenoid valve (15).
Inventors:
ZHANG LI (CN)
DENG RUI (CN)
ZANG TONGTONG (CN)
LI YONGJUN (CN)
XIA FENG (CN)
WANG MINGTAO (CN)
ZHOU XIAO (CN)
DENG RUI (CN)
ZANG TONGTONG (CN)
LI YONGJUN (CN)
XIA FENG (CN)
WANG MINGTAO (CN)
ZHOU XIAO (CN)
Application Number:
PCT/CN2018/107859
Publication Date:
February 27, 2020
Filing Date:
September 27, 2018
Export Citation:
Assignee:
CRRC NANJING PUZHEN CO LTD (CN)
International Classes:
B61D35/00
Domestic Patent References:
WO2016035317A1 | 2016-03-10 |
Foreign References:
CN102206027A | 2011-10-05 | |||
CN1626390A | 2005-06-15 | |||
CN2803845Y | 2006-08-09 | |||
US20170226726A1 | 2017-08-10 | |||
EP3098358B1 | 2018-03-14 |
Attorney, Agent or Firm:
NANJING TONGZE PATENT AGENCY FIRM (LIMITED LIABILITY PARTNERSHIP) (CN)
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