CN202838982U - Reactor core guardrail of Chinese pressurized water reactor (CPR) nuclear power unit - Google Patents

Reactor core guardrail of Chinese pressurized water reactor (CPR) nuclear power unit Download PDF

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Publication number
CN202838982U
CN202838982U CN2012203794127U CN201220379412U CN202838982U CN 202838982 U CN202838982 U CN 202838982U CN 2012203794127 U CN2012203794127 U CN 2012203794127U CN 201220379412 U CN201220379412 U CN 201220379412U CN 202838982 U CN202838982 U CN 202838982U
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CN
China
Prior art keywords
pressure foot
reactor core
nuclear power
horizontal pressure
backing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012203794127U
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Chinese (zh)
Inventor
肖晓南
叶峰
桑建军
刘顺
张铁辉
王静
Original Assignee
China General Nuclear Power Corp
Suzhou Nuclear Power Research Institute Co Ltd
CGNPC Inspection Technology Co Ltd
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Filing date
Publication date
Application filed by China General Nuclear Power Corp, Suzhou Nuclear Power Research Institute Co Ltd, CGNPC Inspection Technology Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN2012203794127U priority Critical patent/CN202838982U/en
Application granted granted Critical
Publication of CN202838982U publication Critical patent/CN202838982U/en
Anticipated expiration legal-status Critical
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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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  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The utility model relates to a reactor core guardrail of a Chinese pressurized water reactor (CPR) nuclear power unit. The reactor core guardrail comprises a plurality of fence units which are surrounded into a ring shape and are fixedly connected in sequence. Each fence unit comprises a main body portion and a mounting portion. The mounting portion is fixedly connected with the lower portion of the main body portion. The mounting portion comprises a horizontal pressing plate, a vertical baffle, a horizontal base plate and a vertical base plate. The horizontal pressing plate is provided with a first end and a second end. The first end of the horizontal pressing plate is fixedly connected with the lower portion of the main body portion. The vertical baffle is fixedly connected with the second end of the horizontal pressing plate. The horizontal pressing plate and the vertical baffle are arranged in a perpendicular mode. The horizontal base plate is fixedly arranged under the horizontal pressing plate. The vertical base plate is fixedly arranged on the inner side of the vertical baffle. When the reactor core guardrail is mounted on a flange surface, the horizontal base plate and the vertical base plate are tightly attached to the surface of the flange surface. The reactor core guardrail can be well matched with the flange surface and can be stably connected on the flange surface so as to effectively prevent foreign matters or people from falling into a reactor pit.

Description

CPR nuclear power generating sets reactor core guardrail
Technical field
The utility model relates to a kind of CPR1000 of being applicable to nuclear power generating sets reactor core guardrail.
Background technology
Shown in accompanying drawing 1, the stepped and flange face in the cross section of CPR1000 nuclear power generating sets flange face by this cross sectional shape rotate a circle form round table-like.In actual field, may drop foreign matter on the flange face to reactor pit, even have the reviewer and fall, there is larger potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of foreign matter or personnel dangerous CPR nuclear power generating sets reactor core guardrail that occurs falling of avoiding.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of CPR nuclear power generating sets reactor core guardrail, be arranged on the CPR1000 nuclear power generating sets reactor core flange face, described CPR nuclear power generating sets reactor core guardrail comprises a plurality of fence units that surround into annular and be fixedly connected sequentially, each described fence unit comprises main part and mounting portion, described mounting portion is fixedly connected on the below of described main part, described mounting portion comprises horizontal pressure foot, vertical baffle, horizontal backing plate, vertical backing plate, described horizontal pressure foot has first end and the second end, the first end of described horizontal pressure foot is fixedly connected on the bottom of described main part, described vertical baffle is fixedly connected on the second end of described horizontal pressure foot, and described horizontal pressure foot and the perpendicular setting of described vertical baffle, described horizontal backing plate is fixedly installed on the below of described horizontal pressure foot, described vertical backing plate is fixedly installed on the inboard of described vertical baffle, when described CPR nuclear power generating sets reactor core guardrail was installed on the described flange face, described horizontal backing plate and described vertical backing plate were closely attached on the surface of described flange face.
Preferably, the width of described horizontal backing plate is less than the width of described horizontal pressure foot, and described horizontal backing plate makes the first end of described horizontal pressure foot form the unsettled zone of dodging near the second end setting of described horizontal pressure foot.
Preferably, the length of described horizontal backing plate is greater than the length of described horizontal pressure foot.
Preferably, described horizontal backing plate, described vertical backing plate are nylon sheet.
Preferably, the bottom of described main part is fixedly connected with bent plate, and described horizontal pressure foot and described bent plate are fixedly connected.
Preferably, be fixedly connected with gusset between the bottom of described main part and the described horizontal pressure foot, described gusset and the perpendicular setting of described horizontal pressure foot.
Preferably, described gusset is aluminum plate and rectangular triangle, and one bar right-angle side and described main part are fixedly connected, and another right-angle side and described horizontal pressure foot are fixedly connected.
Preferably, between described gusset and the described main part, be welded and fixed after all being bolted to connection between described gusset and the described horizontal pressure foot.
Preferably, described main part comprises horizontally disposed many bows, many and the perpendicular setting of each described bow and is connected successively the montant of described bow, and the end of described bow is provided with coupling assembling.
Preferably, described coupling assembling comprises the flange connector at the both ends that are relatively arranged on described bow or is opened in the bolt hole at the both ends of described bow, and adjacent two described main parts are fixedly connected by bolt.
Preferably, offer the threaded hole that connects on described vertical baffle and the described vertical backing plate, be provided with bolt in the described threaded hole.
Preferably, between described main part and the described horizontal pressure foot, be welded and fixed after all being bolted to connection between described horizontal pressure foot and the described vertical baffle; Between described horizontal pressure foot and the described horizontal backing plate, be fixedly connected by bolt between described vertical baffle and the described vertical backing plate.
Because technique scheme is used, the utility model compared with prior art has following advantages: CPR nuclear power generating sets reactor core guardrail of the present utility model can cooperate preferably with flange face, can be stable be connected on the flange face, fall to reactor pit with effective placement foreign matter or personnel, and prevent that effectively guardrail from causing scratch damage to sealing surface and flange face, simultaneously also can shorten the used time of overhaul, make things convenient for equipment operator's operating equipment.
Description of drawings
Accompanying drawing 1 is the schematic cross-section of CPR1000 nuclear power generating sets reactor core flange face.
Accompanying drawing 2 is the stereographic map of the fence unit of CPR nuclear power generating sets reactor core guardrail of the present utility model.
Accompanying drawing 3 is the front view of the fence unit of CPR nuclear power generating sets reactor core guardrail of the present utility model.
Accompanying drawing 4 is the A-A view of the fence unit of CPR nuclear power generating sets reactor core guardrail of the present utility model.
Accompanying drawing 5 is the B-B view of the fence unit of CPR nuclear power generating sets reactor core guardrail of the present utility model.
Accompanying drawing 6 is the upward view of the fence unit of CPR nuclear power generating sets reactor core guardrail of the present utility model
In the above accompanying drawing: 1, flange face; 11, surface level; 12, vertical plane;
2, fence unit; 21, main part; 211, bow; 212, montant; 213, joint flange; 214, bolt hole; 22, mounting portion; 221, horizontal pressure foot; 222, vertical baffle; 223, horizontal backing plate; 224, vertical backing plate; 225, bent plate; 226, gusset; 227, threaded hole; 228, nylon bolt.
Embodiment
Below in conjunction with embodiment shown in the drawings the utility model is further described.
Embodiment one: a kind of CPR nuclear power generating sets reactor core guardrail, be arranged on the CPR1000 nuclear power generating sets reactor core flange face 1, and the cross section of this flange face 1 is referring to shown in the accompanying drawing 1, and it is stepped and have surface level 11 and a vertical plane 12.
CPR nuclear power generating sets reactor core guardrail comprises a plurality of fence units that surround into annular and be fixedly connected sequentially 2, and in the present embodiment, this CPR nuclear power generating sets reactor core guardrail comprises 8 fence units 2.Each fence unit 2 comprises main part 21 and mounting portion 22, and mounting portion 22 is fixedly connected on the below of main part 21.
Main part 21 is similar with common fence, adopts aluminum alloy materials to make, and it is included in the montant 212 that vertical plane 12 interior horizontally disposed many bows 211, many and each bow 211 perpendicular settings also are connected bow 211 successively.In the present embodiment, main part 21 parallels three bows 211 is set, and every bow 211 is 45 ° circular-arc, and wherein, the cross section of the bow 211 of the top is circular, and the cross section of remaining bow 211 is rectangle.Four montants 212 are set simultaneously, and wherein two montants 212 are arranged at respectively the position near the end of bow 211, and center and spacing that other two montants 212 are arranged at bow 211 are nearer.The end of bow 211 is provided with coupling assembling, can adopt the flange connector at the both ends that are relatively arranged on bow 211 or be opened in the form of bolt hole 214 at the both ends of bow 211.In the present embodiment, relative at the two ends of the bow 211 of the top a pair of joint flange 213 is set, bolt hole 214 is offered at the two ends of the bow 211 below.When fence unit 2 was installed, adjacent two main parts 21 were fixedly connected by bolt, and make the main part 21 of whole 8 fence units 2 surround annular.
Mounting portion 22 comprises horizontal pressure foot 221, vertical baffle 222, horizontal backing plate 223, vertical backing plate 224.Wherein, horizontal pressure foot 221 and vertical baffle 222 adopt aluminum alloy material, and horizontal backing plate 223 and vertical backing plate 224 adopt nylon sheet to make.Horizontal pressure foot 221 has first end and the second end, and the first end of horizontal pressure foot 221 is fixedly connected on the bottom of main part 21, and vertical baffle 222 is fixedly connected on the second end of horizontal pressure foot 221, and horizontal pressure foot 221 and vertical baffle 222 perpendicular settings.Bottom at two montants 212 that are positioned at bow 211 middle parts is fixedly connected with bent plate 225, and this bent plate 225 vertically arranges, and the first end of horizontal pressure foot 221 and this bent plate 225 are fixedly connected.Between horizontal pressure foot 221 and the bent plate 225, all being fixedly connected by bolt first between horizontal pressure foot 221 and the vertical baffle 222 is welded and fixed again.Simultaneously, be fixedly connected with gusset 226 between the bottom of main part 21 and the horizontal pressure foot 221.Gusset 226 is aluminum plate and rectangular triangle, and one bar right-angle side and bent plate 225 are fixedly connected, and another right-angle side and horizontal pressure foot 221 are fixedly connected, gusset 226 and horizontal pressure foot 221 perpendicular settings.Be welded and fixed again between gusset 226 and the bent plate 225, after being fixedly connected by bolt first between gusset 226 and the horizontal pressure foot 221.
Horizontal backing plate 223 is fixedly installed on the below of horizontal pressure foot 221.Its width less than the width of horizontal pressure foot 221, length greater than the length of horizontal pressure foot 221 (direction of length refers to the tangential direction of the annular that surrounds along main part 21, and the direction of width is to the radial direction of the annular that surrounds along main part 21).Horizontal backing plate 223 makes the first end of horizontal pressure foot 221 form the unsettled zone of dodging near the second end setting of horizontal pressure foot 221 on the direction of its width, its then be arranged between two parties on the direction of length horizontal pressure foot 221 below.Horizontal pressure foot 221 and horizontal backing plate 223 are fixedly connected by bolt.Vertically backing plate 224 is fixedly installed on the inboard (this inboard refers to when flange face 1 fence is installed on the flange face 1, a side of the vertical plane 12 of close flange face 1) of vertical baffle 222, is fixedly connected by bolt between vertical baffle 222 and the vertical backing plate 224.Offer the threaded hole 227 that connects on vertical baffle 222 and the vertical backing plate 224, be provided with bolt in the threaded hole 227, this bolt is nylon bolt 228.
When flange face 1 fence is installed on the flange face 1, horizontal backing plate 223 and vertical backing plate 224 are closely attached on respectively on the surface level 11 and vertical plane 12 of flange face 1, and bolt is by vertical backing plate 224 1 sidespins of vertical baffle 222 1 side direction and then the end of its screw portion is against on the vertical plane 12.Horizontal backing plate 223 can prevent that this fence from becoming cut or damage to flange face 1 on the one hand with vertical backing plate 224, can make on the other hand formation between the surface level 11 of horizontal pressure foot 221 and flange face 1 unsettled dodge the zone.And bolt can prevent rocking of fence.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims (12)

1. CPR nuclear power generating sets reactor core guardrail, be arranged on the CPR1000 nuclear power generating sets reactor core flange face, it is characterized in that: described CPR nuclear power generating sets reactor core guardrail comprises a plurality of fence units that surround into annular and be fixedly connected sequentially, each described fence unit comprises main part and mounting portion, described mounting portion is fixedly connected on the below of described main part, described mounting portion comprises horizontal pressure foot, vertical baffle, horizontal backing plate, vertical backing plate, described horizontal pressure foot has first end and the second end, the first end of described horizontal pressure foot is fixedly connected on the bottom of described main part, described vertical baffle is fixedly connected on the second end of described horizontal pressure foot, and described horizontal pressure foot and the perpendicular setting of described vertical baffle, described horizontal backing plate is fixedly installed on the below of described horizontal pressure foot, described vertical backing plate is fixedly installed on the inboard of described vertical baffle, when described CPR nuclear power generating sets reactor core guardrail was installed on the described flange face, described horizontal backing plate and described vertical backing plate were closely attached on the surface of described flange face.
2. CPR nuclear power generating sets reactor core guardrail according to claim 1, it is characterized in that: the width of described horizontal backing plate is less than the width of described horizontal pressure foot, and described horizontal backing plate makes the first end of described horizontal pressure foot form the unsettled zone of dodging near the second end setting of described horizontal pressure foot.
3. CPR nuclear power generating sets reactor core guardrail according to claim 1, it is characterized in that: the length of described horizontal backing plate is greater than the length of described horizontal pressure foot.
4. according to claim 1 and 2 or 3 described CPR nuclear power generating sets reactor core guardrails, it is characterized in that: described horizontal backing plate, described vertical backing plate are nylon sheet.
5. CPR nuclear power generating sets reactor core guardrail according to claim 1, it is characterized in that: the bottom of described main part is fixedly connected with bent plate, and described horizontal pressure foot and described bent plate are fixedly connected.
6. CPR nuclear power generating sets reactor core guardrail according to claim 1 is characterized in that: be fixedly connected with gusset between the bottom of described main part and the described horizontal pressure foot, described gusset and the perpendicular setting of described horizontal pressure foot.
7. CPR nuclear power generating sets reactor core guardrail according to claim 6, it is characterized in that: described gusset is aluminum plate and rectangular triangle, one bar right-angle side and described main part are fixedly connected, and another right-angle side and described horizontal pressure foot are fixedly connected.
8. CPR nuclear power generating sets reactor core guardrail according to claim 1 is characterized in that: be welded and fixed between described gusset and the described main part, after all being bolted to connection between described gusset and the described horizontal pressure foot.
9. CPR nuclear power generating sets reactor core guardrail according to claim 1, it is characterized in that: described main part comprises horizontally disposed many bows, many and the perpendicular setting of each described bow and is connected successively the montant of described bow, and the end of described bow is provided with coupling assembling.
10. CPR nuclear power generating sets reactor core guardrail according to claim 9, it is characterized in that: described coupling assembling comprises the flange connector at the both ends that are relatively arranged on described bow or is opened in the bolt hole at the both ends of described bow, and adjacent two described main parts are fixedly connected by bolt.
11. CPR nuclear power generating sets reactor core guardrail according to claim 1 is characterized in that: offer the threaded hole that connects on described vertical baffle and the described vertical backing plate, be provided with bolt in the described threaded hole.
12. CPR nuclear power generating sets reactor core guardrail according to claim 1 is characterized in that: be welded and fixed between described main part and the described horizontal pressure foot, after all being bolted to connection between described horizontal pressure foot and the described vertical baffle; Between described horizontal pressure foot and the described horizontal backing plate, be fixedly connected by bolt between described vertical baffle and the described vertical backing plate.
CN2012203794127U 2012-08-02 2012-08-02 Reactor core guardrail of Chinese pressurized water reactor (CPR) nuclear power unit Expired - Fee Related CN202838982U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012203794127U CN202838982U (en) 2012-08-02 2012-08-02 Reactor core guardrail of Chinese pressurized water reactor (CPR) nuclear power unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012203794127U CN202838982U (en) 2012-08-02 2012-08-02 Reactor core guardrail of Chinese pressurized water reactor (CPR) nuclear power unit

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CN202838982U true CN202838982U (en) 2013-03-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102768864A (en) * 2012-08-02 2012-11-07 中广核检测技术有限公司 CPR nuclear power unit reactor core guardrail

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102768864A (en) * 2012-08-02 2012-11-07 中广核检测技术有限公司 CPR nuclear power unit reactor core guardrail

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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
CP01 Change in the name or title of a patent holder

Address after: Futian District, Shenzhen City Road 518000 Guangdong Province Science & Technology Building 1001, 1506

Patentee after: CGNPC Inspection Technology Co., Ltd.

Patentee after: Suzhou Nuclear Power Research Institute Co., Ltd.

Patentee after: China General Nuclear Power Corporation

Address before: Futian District, Shenzhen City Road 518000 Guangdong Province Science & Technology Building 1001, 1506

Patentee before: CGNPC Inspection Technology Co., Ltd.

Patentee before: Suzhou Nuclear Power Research Institute Co., Ltd.

Patentee before: China Guangdong Nuclear Power Group 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: 20130327

Termination date: 20200802