Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NUCLEAR POWER PLANT PERSONNEL GATE AND INSTALLATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/047066
Kind Code:
A1
Abstract:
Provided is a nuclear power plant personnel gate, which is applicable to a double-layered containment of a nuclear power plant, the double-layered containment includes outer and inner containments (1, 2), inner and outer pre-buried penetrating pieces (4, 3) are arranged on the inner and outer containments (2, 1) correspondingly, the personnel gate penetrates through the inner and outer pre-buried penetrating pieces (4, 3), the inner pre-buried penetrating piece (4) is fixedly connected with the personnel gate; the outer pre-buried penetrating piece (3) is flexibly connected with the personnel gate in a sealed mode, the nuclear power plant personnel gate includes: a shell ring assembly (5) for supporting the inner pre-buried penetrating piece (4) and the outer pre-buried penetrating piece (3); an outer sealing door (6) for establishing a shielding sealing barrier on the boundary of the outer containment (1); an inner sealing door (7) for establishing a pressure-bearing sealing barrier on the boundary of the inner containment (2); the shell ring assembly (5), the outer sealing door (6), and the inner sealing door (7) are enclosed to form a sealed space (8); and an intermediate transmission cartridge (9), which is detachably disposed in the sealed space (8), can be movably connected with the inner and outer sealing doors (7, 6), and is used for controlling opening and closing of the inner and outer sealing doors (7, 6). The reliability of the personnel gate of the nuclear power plant is improved.

Inventors:
XIE HONGHU (CN)
Application Number:
PCT/CN2019/121858
Publication Date:
March 18, 2021
Filing Date:
November 29, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHINA NUCLEAR POWER ENG CO LTD (CN)
CHINA NUCLEAR POWER DESIGN COMPANY LTD SHENZHEN (CN)
CHINA GENERAL NUCLEAR POWER (CN)
CGN POWER CO LTD (CN)
International Classes:
G21C13/02; G21C13/028
Foreign References:
CN107887039A2018-04-06
CN201347715Y2009-11-18
CN207092860U2018-03-13
CN109736673A2019-05-10
CN104100094A2014-10-15
CN203499511U2014-03-26
RU180081U12018-06-04
EP1623920A12006-02-08
Other References:
See also references of EP 4044196A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
Download PDF: