Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A novel flap valve comprises a base and a cover plate; the base is connected with the cover plate through a hinge; the cover plate is provided with a traction ring which is a copper ring; the traction ring is arranged in the middle of the cover plate. According to the novel flap valve, the cover plate is provided with the traction ring and accordingly the flap calve can be smoothly opened and closed when a pipe is plugged by dirt to enable the sewage to be discharged timely, the manpower is saved, too many manpower costs are not required, and the hygienic city appearance of the city is protected; the flap valve can be rapidly opened and closed and accordingly the sewage discharge of a pipe network is not delayed, and the service life of the flap valve is extended; the flood discharge time can be shortened when a flood occurs, the flood can be discharged smoothly, the pipe can be protected, the erosion on the pipe due to the sewage is reduced, the service life of the pipe is extended, the fund pressure of the city municipal administration is reduced, the sewage in the pipe cannot overflow the surface, and the image of the city is maintained.
A novel flap valve comprises a base and a cover plate; the base is connected with the cover plate through a hinge; the cover plate is provided with a traction ring which is a copper ring; the traction ring is arranged in the middle of the cover plate. According to the novel flap valve, the cover plate is provided with the traction ring and accordingly the flap calve can be smoothly opened and closed when a pipe is plugged by dirt to enable the sewage to be discharged timely, the manpower is saved, too many manpower costs are not required, and the hygienic city appearance of the city is protected; the flap valve can be rapidly opened and closed and accordingly the sewage discharge of a pipe network is not delayed, and the service life of the flap valve is extended; the flood discharge time can be shortened when a flood occurs, the flood can be discharged smoothly, the pipe can be protected, the erosion on the pipe due to the sewage is reduced, the service life of the pipe is extended, the fund pressure of the city municipal administration is reduced, the sewage in the pipe cannot overflow the surface, and the image of the city is maintained.
Novel flap valve
HAN YONGKUN (Autor:in)
15.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
E03F
SEWERS
,
Abwasserkanäle
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