CN201946322U - Containment air cooling system for million-kilowatt nuclear reactor - Google Patents
Containment air cooling system for million-kilowatt nuclear reactor Download PDFInfo
- Publication number
- CN201946322U CN201946322U CN2010206094033U CN201020609403U CN201946322U CN 201946322 U CN201946322 U CN 201946322U CN 2010206094033 U CN2010206094033 U CN 2010206094033U CN 201020609403 U CN201020609403 U CN 201020609403U CN 201946322 U CN201946322 U CN 201946322U
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- Prior art keywords
- cover plate
- airduct
- access hole
- air cooling
- nuclear reactor
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model discloses a containment air cooling system for a million-kilowatt nuclear reactor, which comprises a fan and an air pipe. An access hole is arranged on the air pipe. A cover plate which is used for blocking the access hole is arranged at the access hole. A cover plate pressing piece is fixed on the top surface of the cover plate, is detachably and rotatably connected onto the air pipe through a rotating mechanism, and is locked on the air pipe through a locking mechanism which is arranged at interval with the rotating mechanism to enable the cover plate to be fixed at the access hole in a sealing way. Aiming at the situation that the cover plate in the prior art is fixed by using a great number of bolts, the utility model solves the defects that disassembling personnel is radiated by control rods for a long time and body health is affected because the cover plate is inconvenient to disassemble, and provides the containment air cooling system for the million-kilowatt nuclear reactor, which has the advantages of simplicity and rapidness in disassembling and good sealing performance.
Description
Technical field
The utility model belongs to the nuclear power technology field.The servicing unit that relates to a kind of million kilowatt nuclear reactor safety shell relates in particular to a kind of containment air cooling system that is used for the million kilowatt nuclear reactor.
Background technology
At present in million kilowatt nuclear reactor genset, the nuclear reactor safety shell of every unit all has control rod drive mechanisms (CRD) air cooling system (RRM), the function of RRM system is that control rod drive mechanisms (CRD) supply lines coil unit and position indicator are lowered the temperature, the temperature maintenance that makes them within the acceptable range so that guarantee its normal operation.This air cooling system mainly comprises blower fan and airduct, airduct is provided with access hole, during air cooling system work, access hole seals by cover plate for sealing, just during annual overhaul, need the airduct cover plate in removal reactor containment top cover and the system rod drive mechanism air cooling system, so that (RGL) carries out inservice inspection to rod control system, promptly in four control rod drive mechanisms (CRD) air cooling systems (RRM), all need take the cover plate of control rod drive mechanisms (CRD) air cooling system airduct apart, have the access hole of four correspondences in the existing control rod drive mechanisms (CRD) air cooling system, the cover plate of each access hole all is that the bolt with 16 M10*30 is connected with the airduct that is adjacent, because control rod can produce radiation, and 16 bolts of dismounting are comparatively time-consuming, make that dismounting personnel raying irradiation time is long, the radiation dose that is subjected to is higher, influences healthy.And the cover plate under the dismounting is not because the restriction in space has local the placement.
The utility model content
The technical problems to be solved in the utility model is, adopt a lot of bolt at the prior art cover plate, it is long that dismounting inconvenience makes that the dismounting personnel are controlled excellent radiated time, influence healthy defective, provide a kind of and dismantle simple and fast, reduce the containment air cooling system that is used for the million kilowatt nuclear reactor that the dismounting personnel are subjected to exposure time and can carry out excellent sealing to access hole.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, described cover plate end face is provided with the cover plate compressing member, described cover plate compressing member detachably is rotatably connected on the airduct by rotating mechanism, and by the latch mechanism that is provided with at interval with rotating mechanism the cover plate compressing member detachably is locked on the airduct, the cover plate compressing member is fixed on cover plate for sealing on the access hole.
Described cover plate compressing member is extended with at least two connecting portions outside cover plate, described latch mechanism and rotating mechanism all are separately fixed on connecting portion and the airduct outer wall.
Described latch mechanism is provided with one, described rotating mechanism and latch mechanism relative setting outside cover plate respectively.
Described latch mechanism is provided with two, and a rotating mechanism and two latch mechanisms are symmetricly set on outside the cover plate respectively.
Described latch mechanism comprises double-screw bolt, the locking member of spinning on double-screw bolt that is fixed on the airduct outer wall, and the connecting portion of cover plate compressing member has connecting hole, and connecting hole is installed on the double-screw bolt and by locking member and locks.
Described locking member comprises nut and locknut, and locknut is positioned at nut top and spinning at the double-screw bolt upper locking nut.
Described rotating mechanism comprise the end stationary shaft fixedly connected on the airduct, on stationary shaft the axle sleeve of suit, described axle sleeve outer wall is fixedlyed connected with the cover plate compressing member.
Described rotating mechanism comprises first fixture that is fixed on the outer airduct of access hole, second fixture of fixing on the cover plate compressing member, on first fixture and second fixture respectively correspondence have first axis hole and second axis hole, be fitted with bearing pin in first axis hole and second axis hole first fixture and second fixture be rotatably connected.
Described cover plate compressing member is by the cover plate center or about cover plate central shaft symmetry.
Described cover plate compressing member is the compressor arm by the cover plate center.
Described rotating mechanism and latch mechanism are separately fixed on the connecting portion of compressor arm end.
Described compressor arm is a straight-bar, and described rotating mechanism and latch mechanism are separately fixed on the connecting portion at compressor arm two ends.
Described compressor arm is herringbone bar or T font bar, and a rotating mechanism and two latch mechanisms are set respectively on three connecting portions of compressor arm, and described two latch mechanisms are symmetrical arranged.
Described cover plate compressing member is tabular, and its edge extends connecting portion.
Second kind of containment air cooling system that is used for the million kilowatt nuclear reactor: comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, be provided with the sealing slot at the access hole place, described cover plate is plugged in the sealing slot access hole is sealed, and cover plate is locked by latch mechanism.
Described sealing slot is provided with along airduct access hole periphery, and only leaves the insertion mouth that cover plate is inserted the sealing slot, and sealing slot opening is inside.
Described latch mechanism comprises bolt, has connecting hole at the seal groove cell wall, and the seal groove inwall is provided with the nut of corresponding connecting hole, and bolt is inserted in the connecting hole and with the nut roof pressure cover plate that is spirally connected cover plate is fixed.
The third is used for the containment air cooling system of million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, described cover plate end face is provided with the cover plate compressing member, described cover plate compressing member detachably is rotatably connected on the airduct by rotating mechanism, and by the latch mechanism that is provided with at interval with rotating mechanism the cover plate compressing member detachably is locked on the airduct, makes cover plate for sealing be fixed on the access hole; Described cover plate compressing member oppositely is extended with two connecting portions outside cover plate, described latch mechanism and rotating mechanism all are separately fixed on one of them connecting portion and the airduct outer wall; Described rotating mechanism comprise the end stationary shaft fixedly connected on the airduct, on stationary shaft the axle sleeve of suit, described axle sleeve outer wall is fixedlyed connected with the cover plate compressing member; Described latch mechanism comprises double-screw bolt, the locking member of spinning on double-screw bolt that is fixed on the airduct outer wall, and the connecting portion of cover plate compressing member has connecting hole, and connecting hole is installed on the double-screw bolt and by locking member and locks; Described locking member comprises nut and locknut, and locknut is positioned at nut top and spinning at the double-screw bolt upper locking nut; Described cover plate compressing member is by the cover plate center or about cover plate central shaft symmetry; Described cover plate compressing member is the straight-bar by the cover plate center, and described rotating mechanism and latch mechanism are separately fixed on the connecting portion at straight-bar two ends.
The 4th kind of containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, be provided with the sealing slot at the access hole place, described cover plate is plugged in the sealing slot access hole is sealed, and cover plate is locked by latch mechanism; Described sealing slot is provided with along airduct access hole periphery, and only leaves the insertion mouth that cover plate is inserted the sealing slot, and sealing slot opening is inside; Described latch mechanism comprises bolt, has connecting hole at the seal groove cell wall, and the seal groove inwall is provided with the nut of corresponding connecting hole, and bolt is inserted in the connecting hole and with the nut roof pressure cover plate that is spirally connected cover plate is fixed.
The utility model adopts four kinds of structures to realize the fast quick-detach of cover plate, and after installation sealing and fixing, wherein dual mode is a mode of utilizing fixing cover plate compressing member on the cover board detachably to be rotationally connected, other two kinds are adopted the mode of directly cover plate being pegged graft, and these four kinds of modes all make cover plate for sealing be fixed on the access hole by latch mechanism locking.Therefore, the time only need open latch mechanism, cover plate rotating opening or pull can be opened, make the unloading process simple and fast that becomes, significantly reduce the time that operating personnel are subjected to irradiation, guarantee health of operators in dismounting.In addition, because latch mechanism locking has guaranteed the stationarity of cover plate, when not dismantling, cover plate can not seal access hole well.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 1 cover plate compressing member;
Fig. 3 is the cut-open view at the utility model embodiment 1 airduct access hole place;
Fig. 4 is the structural representation of the utility model embodiment 1 latch mechanism;
Fig. 5 is the structural representation of the utility model embodiment 2.
Embodiment
As shown in Figure 1, 2, 3, the relation of cover plate compressing member 3 and cover plate 2: can be that cover plate compressing member 3 is fixed on cover plate 2 end faces, also can be that cover plate compressing member 3 separates setting with cover plate 2, when cover plate compressing member 3 is fixedlyed connected with cover plate 2, then cover plate compressing member 3 can be used as and shakes hands to be used for pull-up cover plate 2, opens access hole 11.When the two separation was provided with, cover plate compressing member 3 just compressed cover plate 2 when cover plate 2 sealing access holes 11 and is sealed on the access hole 11.
Owing to will pass through cover plate compressing member 3 holddown plates 2, then the center of the pressure that is subjected to of cover plate 2 to affact cover plate 2 in the heart, could make that cover plate 2 is stressed even, secure closed access hole 11, so cover plate compressing member 3 is by cover plate 2 centers or about cover plate 2 central shaft symmetries.The shape of described cover plate compressing member 3 is not limit, and described cover plate compressing member 3 is extended with at least two connecting portions 32,33 outside cover plate 2, and described rotating mechanism 6 is fixed on connecting portion 32 and airduct 1 outer wall, and latch mechanism 5 is fixed on connecting portion 33 and airduct 1 outer wall.Latch mechanism 5 is provided with quantity as required, generally for convenient disassembly, can not be too much, and the utility model is provided with one or two, when a latch mechanism 5 is set, described rotating mechanism 6 and latch mechanism 5 relative setting outside cover plate 2 respectively.But when two latch mechanisms 5 were set, described rotating mechanism 6 and latch mechanism 5 were disposed in an evenly spaced relation in respectively outside the cover plate 2, and latch mechanism 5 is symmetrical arranged.
As shown in Figure 1, 2, 3, present embodiment selection cover plate compressing member 3 is the compressor arms by cover plate 2 centers, and the end of compressor arm is provided with connecting portion 32,33, and described rotating mechanism 6 and latch mechanism 5 are separately fixed on the connecting portion 32,33 of compressor arm end.Described compressor arm is preferably straight-bar, and described rotating mechanism 6 and latch mechanism 5 are separately fixed on the connecting portion 32,33 at compressor arm two ends.Described compressor arm can also be herringbone bar or T font bar, and a rotating mechanism 6 and two latch mechanisms 5 are set respectively on three connecting portions of compressor arm.Cover plate compressing member described in the other scheme 3 is tabular, and its edge extends the connecting portion that exceeds cover plate 2.Tabular cover plate 2 preferred axes symmetries can evenly force in access hole 11 after latch mechanism 5 lockings, help safe and hermetically enclosed.
As shown in Figure 1, 2, 3, described rotating mechanism 6 comprise the end stationary shaft fixedly connected on the airduct 1 62, on stationary shaft 62 axle sleeve 63 of suit, described axle sleeve 63 outer walls are fixedlyed connected with cover plate compressing member 3, and axle sleeve 63 outer walls middle part is connected with the connecting portion 32 of cover plate compressing member 3.When cover plate compressing member 3 was compressor arm, the end of compressor arm was welded on axle sleeve 63 middle parts, and stationary shaft 62 two ends are fixed on airduct 1 outer wall in the present embodiment.
Another structure of described rotating mechanism 6 is: comprise first fixture that is fixed on the access hole 11 outer airducts 1, second fixture of fixing on cover plate compressing member 3, on first fixture and second fixture respectively correspondence have first axis hole and second axis hole, be fitted with bearing pin in first axis hole and second axis hole first fixture and second fixture be rotatably connected.In this mode, bearing pin is to be plugged in first axis hole and second axis hole, bearing pin can be extracted out during dismounting, then cover plate compressing member 3 is separated with airduct 1, can directly open cover plate 2, therefore cover plate 2 also can adopt this mode going to be provided with a plurality of on every side, and the plug bearing pin can be finished fixing and dismounting, and is very convenient quick.
Shown in Fig. 1,2,4, described latch mechanism 5 is to be used for tight locking button to be combined in cover plate 2 on the access hole 11, because latch mechanism 5 is locked by cover plate compressing member 3, therefore is that locking is finished in the cooperation of the two.Locking member comprises double-screw bolt 53, the locking member of spinning on double-screw bolt 53 that is fixed on airduct 1 outer wall, and the connecting portion 33 of cover plate compressing member 3 has connecting hole, and connecting hole is installed on the double-screw bolt 53 and by locking member and locks.Present embodiment cover plate compressing member 3 has been selected compressor arm, is provided with a web joint 31 on the connecting portion of compressor arm one end, then has connecting hole 311 on the web joint 31, is used to be installed on double-screw bolt 53.Described locking member comprises nut 52 and locknut 51, and locknut 51 is positioned at nut 52 tops and spinning at double-screw bolt 53 upper locking nuts 52.Latch mechanism 5 can also adopt respectively the fixture that is provided with through hole at cover plate compressing member 3 and airduct 1 except said structure, pin is installed in the through hole of fixture cover plate compressing member 3 is fixed on the airduct 1.Fixture is the baffle plate 55 that is provided with in double-screw bolt 53 both sides in the present embodiment, baffle plate 55 is parallel to each other, the effect of baffle plate also can be used for fixing cover plate compressing member 3, also can be used for the guiding that cover plate compressing member 3 cooperates with double-screw bolt 53, when being used for fixing cover plate compressing member 3, have through hole on the baffle plate 55, cover plate compressing member 3 also correspondence has through hole, selects for use pin to be installed in the through hole of the through hole of baffle plate 55 and cover plate compressing member 3 they are fixedlyed connected.Baffle plate 55 is used for the guide-localization of cover plate compressing member 3 in the present embodiment.
Described sealing slot is provided with along airduct 1 access hole periphery, and only leaves the insertion mouth that cover plate 2 is inserted the sealing slots, sealing slot opening mutually in.Access hole is square in the present embodiment, therefore, all is provided with the upwards flanging of turnover on access hole three limits, and flanging is provided with press box 7, and press box 7 cooperates formation opening sealing slot inwardly with flanging.In the sealing slot, be provided with sealing gasket, be used for cover plate 2 sealing access holes.
Described latch mechanism comprises the bolt (not shown), has connecting hole at the seal groove cell wall, and the seal groove inwall is provided with the nut of corresponding connecting hole, has connecting hole 8 in the present embodiment exactly on press box 7, and the corresponding connecting hole 8 of press box 7 inwalls is provided with nut.Bolt is inserted in the connecting hole 8 and is with the nut roof pressure cover plate 2 that is spirally connected that cover plate 2 is fixing.Except said structure, present embodiment also can be in cover plate 2 edge perforates, also perforate on the corresponding airduct 1, and after cover plate 2 grafting put in place, the hole on hole on the cover plate 2 and the airduct 1 was aimed at, and by screw the two is fixed together.Identical with embodiment 1, latch mechanism 5 also can adopt other modes.
Claims (19)
1. containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, it is characterized in that described cover plate end face is provided with the cover plate compressing member, described cover plate compressing member detachably is rotatably connected on the airduct by rotating mechanism, and by the latch mechanism that is provided with at interval with rotating mechanism the cover plate compressing member detachably is locked on the airduct, makes cover plate for sealing be fixed on the access hole.
2. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1, it is characterized in that, described cover plate compressing member is extended with at least two connecting portions outside cover plate, described latch mechanism and rotating mechanism all are separately fixed on a connecting portion and the airduct outer wall.
3. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1 is characterized in that described latch mechanism is provided with one, described rotating mechanism and latch mechanism relative setting outside cover plate respectively.
4. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1 is characterized in that described latch mechanism is provided with two, and a rotating mechanism and two latch mechanisms are symmetricly set on outside the cover plate respectively.
5. according to claim 3 or the 4 described containment air cooling systems that are used for the million kilowatt nuclear reactor, it is characterized in that, described latch mechanism comprises double-screw bolt, the locking member of spinning on double-screw bolt that is fixed on the airduct outer wall, the connecting portion of cover plate compressing member has connecting hole, and connecting hole is installed on the double-screw bolt and by locking member and locks.
6. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 5 is characterized in that described locking member comprises nut and locknut, and locknut is positioned at nut top and spinning at the double-screw bolt upper locking nut.
7. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1, it is characterized in that, described rotating mechanism comprise the end stationary shaft fixedly connected on the airduct, on stationary shaft the axle sleeve of suit, described axle sleeve outer wall is fixedlyed connected with the cover plate compressing member.
8. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1, it is characterized in that, described rotating mechanism comprises first fixture that is fixed on the outer airduct of access hole, second fixture of fixing on the cover plate compressing member, on first fixture and second fixture respectively correspondence have first axis hole and second axis hole, be fitted with bearing pin in first axis hole and second axis hole first fixture and second fixture be rotatably connected.
9. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 1 is characterized in that, described cover plate compressing member is by the cover plate center or about cover plate central shaft symmetry.
10. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 9 is characterized in that, described cover plate compressing member is the compressor arm by the cover plate center.
11. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 10 is characterized in that described rotating mechanism and latch mechanism are separately fixed on the connecting portion of compressor arm end.
12. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 11 is characterized in that described compressor arm is a straight-bar, described rotating mechanism and latch mechanism are separately fixed on the connecting portion at compressor arm two ends.
13. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 11, it is characterized in that, described compressor arm is herringbone bar or T font bar, a rotating mechanism and two latch mechanisms are set respectively on three connecting portions of compressor arm, and described two latch mechanisms are symmetrical arranged.
14. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 9 is characterized in that described cover plate compressing member is tabular, its edge extends connecting portion.
15. containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, it is characterized in that, be provided with the sealing slot at the access hole place, described cover plate is plugged in the sealing slot access hole is sealed, and cover plate is locked by latch mechanism.
16. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 15 is characterized in that, described sealing slot is provided with along airduct access hole periphery, and only leaves the insertion mouth that cover plate is inserted the sealing slot, and sealing slot opening is inside.
17. the containment air cooling system that is used for the million kilowatt nuclear reactor according to claim 15, it is characterized in that, described latch mechanism comprises bolt, have connecting hole at the seal groove cell wall, the seal groove inwall is provided with the nut of corresponding connecting hole, and bolt is inserted in the connecting hole and with the nut roof pressure cover plate that is spirally connected cover plate is fixed.
18. containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, it is characterized in that described cover plate end face is provided with the cover plate compressing member, described cover plate compressing member detachably is rotatably connected on the airduct by rotating mechanism, and by the latch mechanism that is provided with at interval with rotating mechanism the cover plate compressing member detachably is locked on the airduct, makes cover plate for sealing be fixed on the access hole; Described cover plate compressing member oppositely is extended with two connecting portions outside cover plate, described latch mechanism and rotating mechanism all are separately fixed on one of them connecting portion and the airduct outer wall; Described rotating mechanism comprise the end stationary shaft fixedly connected on the airduct, on stationary shaft the axle sleeve of suit, described axle sleeve outer wall is fixedlyed connected with the cover plate compressing member; Described latch mechanism comprises double-screw bolt, the locking member of spinning on double-screw bolt that is fixed on the airduct outer wall, and the connecting portion of cover plate compressing member has connecting hole, and connecting hole is installed on the double-screw bolt and by locking member and locks; Described locking member comprises nut and locknut, and locknut is positioned at nut top and spinning at the double-screw bolt upper locking nut; Described cover plate compressing member is by the cover plate center or about cover plate central shaft symmetry; Described cover plate compressing member is the straight-bar by the cover plate center, and described rotating mechanism and latch mechanism are separately fixed on the connecting portion at straight-bar two ends.
19. containment air cooling system that is used for the million kilowatt nuclear reactor, comprise blower fan, airduct, offer access hole on the airduct, the access hole place is provided with the cover plate that is used for the shutoff access hole, it is characterized in that, be provided with the sealing slot at the access hole place, described cover plate is plugged in the sealing slot access hole is sealed, and cover plate is locked by latch mechanism; Described sealing slot is provided with along airduct access hole periphery, and only leaves the insertion mouth that cover plate is inserted the sealing slot, and sealing slot opening is inside; Described latch mechanism comprises bolt, has connecting hole at the seal groove cell wall, and the seal groove inwall is provided with the nut of corresponding connecting hole, and bolt is inserted in the connecting hole and with the nut roof pressure cover plate that is spirally connected cover plate is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206094033U CN201946322U (en) | 2010-11-11 | 2010-11-11 | Containment air cooling system for million-kilowatt nuclear reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206094033U CN201946322U (en) | 2010-11-11 | 2010-11-11 | Containment air cooling system for million-kilowatt nuclear reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946322U true CN201946322U (en) | 2011-08-24 |
Family
ID=44473659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206094033U Expired - Fee Related CN201946322U (en) | 2010-11-11 | 2010-11-11 | Containment air cooling system for million-kilowatt nuclear reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946322U (en) |
-
2010
- 2010-11-11 CN CN2010206094033U patent/CN201946322U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA GENERAL NUCLEAR GROUP CO., LTD. Free format text: FORMER NAME: CHINA GUANGDONG NUCLEAR POWER GROUP CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Shenzhen science and technology building, No. 1001 Futian District Road, Shenzhen city in Guangdong province 518031 17-19 floor Patentee after: China General Nuclear Power Corporation Patentee after: Dayawan Nuclear Power Running Management Co., Ltd. Address before: Shenzhen science and technology building, No. 1001 Futian District Road, Shenzhen city in Guangdong province 518031 17-19 floor Patentee before: China Guangdong Nuclear Power Group Co., Ltd. Patentee before: Dayawan Nuclear Power Running Management Co., Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151026 Address after: 518031 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building, 15 Floor Patentee after: Lingao Nuclear Power Co., Ltd. Patentee after: China General Nuclear Power Corporation Address before: Shenzhen science and technology building, No. 1001 Futian District Road, Shenzhen city in Guangdong province 518031 17-19 floor Patentee before: China General Nuclear Power Corporation Patentee before: Dayawan Nuclear Power Running Management Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20191111 |