CN109994226A - A kind of irradiation shielding insulation construction - Google Patents
A kind of irradiation shielding insulation construction Download PDFInfo
- Publication number
- CN109994226A CN109994226A CN201711468526.2A CN201711468526A CN109994226A CN 109994226 A CN109994226 A CN 109994226A CN 201711468526 A CN201711468526 A CN 201711468526A CN 109994226 A CN109994226 A CN 109994226A
- Authority
- CN
- China
- Prior art keywords
- irradiation
- insulation construction
- pressure vessel
- shielding material
- insulating layer
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000009413 insulation Methods 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000004913 activation Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
-
- 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
Abstract
The invention belongs to Reactor structure design technical fields, and in particular to a kind of irradiation shielding insulation construction.The present invention is mounted in the closed cavity surrounded by refuelling pool, ring beam, reactor pressure vessel, it includes irradiation shielding material, effectively insulating insulating layer and involucrum, effectively insulating insulating layer is covered on the side that irradiation shielding material closes on reactor pressure vessel, and involucrum overall package irradiates shielding material and effectively insulating insulating layer.The present invention can be effectively reduced irradiation shielding material temperature and reactor pressure vessel heat loss, avoid irradiation shielding material at high temperature failure；Irradiation can be hindered to pass through, reduce reactor building operating platform irradiation dose, reduce structural device activation levels.
Description
Technical field
The invention belongs to Reactor structure design technical fields, and in particular to a kind of irradiation shielding insulation construction.
Background technique
Reactor building operating platform is groundwork region of the staff during shutdown, while being also staff
During operation possibly into region, therefore suitable irradiation shielding measure need to be taken agent caused by operating platform neutron and photon
Dose rate is limited in level of security, raw to reduce the activation of reactor structure equipment, staff's irradiation hazard and protection staff
Life safety.
According to the functional requirement of generation Ⅲ nuclear power heap chamber flood system (CIS), need to heap chamber and reactor pressure vessel it
Between be arranged 100mm~200mm CIS runner so that the gap between heap chamber and reactor pressure vessel is significantly increased, and then make
It obtains reactor building operating platform irradiation dose and is substantially increased (about 100mSv/h).It therefore, need to be flat from reactor core to operation in irradiation
The throat of platform transmission, i.e., the closed cavity surrounded in refuelling pool, ring beam, reactor pressure vessel, setting irradiation shielding
Insulation construction, reactor building operating platform irradiation dose level and structural device activation levels are greatly reduced, to adapt to
The Safety Irradiation demand (≤10mSv/h) of generation Ⅲ nuclear power operating platform, effective protection enters the life of operating platform staff
Life safety.
Summary of the invention
The technical problem to be solved in the invention are as follows: a kind of irradiation shielding insulation construction is provided, can be effectively reduced reaction
Heap workshop operating platform irradiation dose.
It is described that technical scheme is as follows:
A kind of irradiation shielding insulation construction, it is empty to be mounted on the closing surrounded by refuelling pool, ring beam, reactor pressure vessel
It is intracavitary comprising irradiation shielding material, effectively insulating insulating layer and involucrum, effectively insulating insulating layer are covered on irradiation shielding material
The side of reactor pressure vessel is closed on, involucrum overall package irradiates shielding material and effectively insulating insulating layer.
As a preferred solution: the global shape of irradiation shielding insulation construction holds with by refuelling pool, ring beam, reactor pressure
The closed cavity shape that device surrounds matches.
As a preferred solution: irradiation shielding insulation construction, is fixed on ring beam by bracket and fixing screws.As into one
The preferred embodiment of step: it is equipped between reactor pressure vessel and irradiation shielding insulation construction and is protected for installing fixed irradiation shielding
The gap of warm structure.
As a preferred solution: irradiation shielding insulation construction is fixed on shell flange insulating layer by rivet, banger.As
Further preferred embodiment: it is equipped between refuelling pool, ring beam and irradiation shielding insulation construction for installing fixed irradiation shielding
The gap of insulation construction.
The invention has the benefit that
A kind of irradiation of the invention shields insulation construction, can be effectively reduced irradiation shielding material temperature and reactor pressure
Container heat loss avoids irradiation shielding material at high temperature failure；Irradiation can be hindered to pass through, reduce reactor building operating platform spoke
According to dosage, structural device activation levels are reduced.
It is fiber-loaded and be easily installed that the present invention neither increases reactor, meets the safe spoke of generation Ⅲ nuclear power operating platform
According to demand (≤10mSv/h), can effective protection enter the life security of operating platform staff.
Detailed description of the invention
Fig. 1 is irradiation shielding insulation construction assembling schematic diagram；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is that the irradiation shielding insulation construction in embodiment 1 is connected and fixed schematic diagram；
Fig. 4 is that the irradiation shielding insulation construction in embodiment 2 is connected and fixed schematic diagram；
Fig. 5 is the partial enlarged view of Fig. 4.
In figure, 1- reactor pressure vessel；2- reactor core；3- operating platform；4- refuelling pool；5- ring beam；6- irradiation shielding
Insulation construction；7- irradiates shielding material；8- effectively insulating insulating layer；9- involucrum；10- bracket；11- fixing screws；12- rivet；
13- banger；14- shell flange insulating layer.
Specific embodiment
Irradiation shielding insulation construction 6 of the invention is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, irradiation of the invention shielding insulation construction 6 is mounted on by refuelling pool 4, ring beam 5, reactor
In the closed cavity (irradiating the throat transmitted from reactor core 2 to operating platform 3) that pressure vessel 1 surrounds, irradiation shielding is protected
The global shape of warm structure 6 matches with above-mentioned closed cavity shape.
Specifically, irradiation shielding insulation construction 6 of the invention includes irradiation shielding material 7,8 and of effectively insulating insulating layer
Stainless steel cladding 9.Effectively insulating insulating layer 8 is covered on the side that irradiation shielding material 7 closes on reactor pressure vessel 1, stainless
9 overall package of ladle shell irradiates shielding material 7 and effectively insulating insulating layer 8.
Embodiment 1
As shown in figure 3, the irradiation in the present embodiment shields insulation construction 6, it is fixed by steel bracket 10 and fixing screws 11
Onto ring beam 5.It should be noted that this fixed form need reactor pressure vessel 1 and irradiation shielding insulation construction 6 it
Between reserve appropriate gap, so as to irradiate shielding insulation construction 6 install in place.
Embodiment 2
As shown in Figure 4, Figure 5, the irradiation in the present embodiment shields insulation construction 6, passes through steel rivet 12, stainless steel banger 13
It is fixed on shell flange insulating layer 14.It should be noted that this fixed form need to be in refuelling pool 4, ring beam 5 and radiation screen
It covers and reserves appropriate gap between insulation construction 6, installed in place to irradiate shielding insulation construction 6.
Claims (6)
1. a kind of irradiation shields insulation construction, it is mounted on and is surrounded by refuelling pool (4), ring beam (5), reactor pressure vessel (1)
Closed cavity in, it is characterised in that: including irradiation shielding material (7), effectively insulating insulating layer (8) and involucrum (9), efficiently every
Hot insulating layer (8) is covered on the side that irradiation shielding material (7) closes on reactor pressure vessel (1), involucrum (9) overall package spoke
According to shielding material (7) and effectively insulating insulating layer (8).
2. a kind of irradiation according to claim 1 shields insulation construction, it is characterised in that: irradiation shielding insulation construction (6)
Global shape match with the closed cavity shape surrounded by refuelling pool (4), ring beam (5), reactor pressure vessel (1).
3. a kind of irradiation according to claim 1 or 2 shields insulation construction, it is characterised in that: irradiation shielding insulation construction
(6), it is fixed on ring beam (5) by bracket (10) and fixing screws (11).
4. a kind of irradiation according to claim 3 shields insulation construction, it is characterised in that: in reactor pressure vessel (1)
The gap for installing fixed irradiation shielding insulation construction (6) is equipped between irradiation shielding insulation construction (6).
5. a kind of irradiation according to claim 1 or 2 shields insulation construction, it is characterised in that: irradiation shielding insulation construction
(6) it is fixed on shell flange insulating layer (14) by rivet (12), banger (13).
6. a kind of irradiation according to claim 5 shields insulation construction, it is characterised in that: refuelling pool (4), ring beam (5)
The gap for installing fixed irradiation shielding insulation construction (6) is equipped between irradiation shielding insulation construction (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468526.2A CN109994226A (en) | 2017-12-29 | 2017-12-29 | A kind of irradiation shielding insulation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711468526.2A CN109994226A (en) | 2017-12-29 | 2017-12-29 | A kind of irradiation shielding insulation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994226A true CN109994226A (en) | 2019-07-09 |
Family
ID=67108586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711468526.2A Pending CN109994226A (en) | 2017-12-29 | 2017-12-29 | A kind of irradiation shielding insulation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994226A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767329A (en) * | 2019-11-05 | 2020-02-07 | 中国核动力研究设计院 | Pressurized water reactor cavity radiation beam leakage shielding device |
| CN111081396A (en) * | 2019-12-31 | 2020-04-28 | 中国核动力研究设计院 | Can realize radiating foldable heat-proof device of thermal radiation |
| CN111933322A (en) * | 2020-08-13 | 2020-11-13 | 中国核动力研究设计院 | High-temperature-resistant neutron shielding assembly and preparation method thereof |
| CN114496317A (en) * | 2022-02-18 | 2022-05-13 | 中国核动力研究设计院 | Multifunctional integrated reactor pressure vessel heat preservation device |
| CN114962862A (en) * | 2022-05-13 | 2022-08-30 | 安徽工业大学 | Single-layer heat insulation shielding device for high-temperature pipeline of nuclear power station |
| CN115143345A (en) * | 2022-05-13 | 2022-10-04 | 安徽工业大学 | Nuclear power station loop pipeline detachable heat-preservation shielding integrated device and using method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080198960A1 (en) * | 2007-02-20 | 2008-08-21 | Keegan C Patrick | Nuclear reactor vessel fuel thermal insulating barrier |
| CN202076014U (en) * | 2011-05-26 | 2011-12-14 | 今创集团有限公司 | Stainless-steel heat insulating layer for reactor pressure vessel and main pipeline of nuclear power station |
| CN103971761A (en) * | 2014-05-06 | 2014-08-06 | 中广核工程有限公司 | Metal reflection type insulating plate for radiation shielding in nuclear power station |
-
2017
- 2017-12-29 CN CN201711468526.2A patent/CN109994226A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080198960A1 (en) * | 2007-02-20 | 2008-08-21 | Keegan C Patrick | Nuclear reactor vessel fuel thermal insulating barrier |
| CN202076014U (en) * | 2011-05-26 | 2011-12-14 | 今创集团有限公司 | Stainless-steel heat insulating layer for reactor pressure vessel and main pipeline of nuclear power station |
| CN103971761A (en) * | 2014-05-06 | 2014-08-06 | 中广核工程有限公司 | Metal reflection type insulating plate for radiation shielding in nuclear power station |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767329A (en) * | 2019-11-05 | 2020-02-07 | 中国核动力研究设计院 | Pressurized water reactor cavity radiation beam leakage shielding device |
| CN110767329B (en) * | 2019-11-05 | 2023-02-24 | 中国核动力研究设计院 | Pressurized water reactor cavity radiation beam leakage shielding device |
| CN111081396A (en) * | 2019-12-31 | 2020-04-28 | 中国核动力研究设计院 | Can realize radiating foldable heat-proof device of thermal radiation |
| CN111081396B (en) * | 2019-12-31 | 2022-04-19 | 中国核动力研究设计院 | Can realize radiating foldable heat-proof device of thermal radiation |
| CN111933322A (en) * | 2020-08-13 | 2020-11-13 | 中国核动力研究设计院 | High-temperature-resistant neutron shielding assembly and preparation method thereof |
| CN114496317A (en) * | 2022-02-18 | 2022-05-13 | 中国核动力研究设计院 | Multifunctional integrated reactor pressure vessel heat preservation device |
| CN114962862A (en) * | 2022-05-13 | 2022-08-30 | 安徽工业大学 | Single-layer heat insulation shielding device for high-temperature pipeline of nuclear power station |
| CN115143345A (en) * | 2022-05-13 | 2022-10-04 | 安徽工业大学 | Nuclear power station loop pipeline detachable heat-preservation shielding integrated device and using method |
| CN115143345B (en) * | 2022-05-13 | 2024-02-06 | 安徽工业大学 | Nuclear power station primary loop pipeline detachable heat preservation and shielding integrated device and use method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190709 |