CN207947073U - A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair - Google Patents
A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair Download PDFInfo
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- CN207947073U CN207947073U CN201721332162.0U CN201721332162U CN207947073U CN 207947073 U CN207947073 U CN 207947073U CN 201721332162 U CN201721332162 U CN 201721332162U CN 207947073 U CN207947073 U CN 207947073U
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- cabin
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- transhipment
- transfer chamber
- main cabin
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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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Abstract
The utility model belongs to reactor service technique field, and in particular to a kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair.It is provided with main cabin hatch door II between main cabin ontology and transfer chamber ontology, transports between cabin ontology and main cabin ontology and is provided with main cabin hatch door I, transports on the ontology of cabin and is provided with transhipment cabin door, transition cabin door is provided on transfer chamber ontology；Temperature sensor I, pressure sensor I and concentrations of helium detector I are mounted on transhipment cabin ontology；Temperature sensor II, pressure sensor II and concentrations of helium detector II are mounted on main cabin ontology；Temperature sensor III, pressure sensor III and concentrations of helium detector III are mounted on transfer chamber ontology；Transhipment cabin lifting lug is fixed on above transhipment cabin ontology, and lifting lug is fixed on above main cabin ontology, and suspension hook is fixed on transhipment cabin ontology.The utility model can realize control bar system fast assembling-disassembling under the premise of ensureing that atmosphere does not leak in pressure vessel.
Description
Technical field
The utility model belongs to reactor service technique field, and in particular to a kind of driving mechanism for control rod of high-temperature gas-cooled
Apparatus for examination and repair.
Background technology
High temperature gas cooled reactor is the high-temperature reactor for coolant using graphite as moderator, helium, is a kind of inherent safety
Advanced nuclear reactor good, generating efficiency is high.In nuclear power station operational process, the reactor core of reactor is cold by helium gas cooling agent progress
But.During reactor operation, control bar system realizes various operational modes to carry out reactive control.It is transported for a long time
During row, there is the demand to control rod drive mechanism Disintegration overhaul.Driving mechanism for control rod of high-temperature gas-cooled shell is one
The part on circuit pressure boundary just destroys primary Ioops pressure boundary, leads to original helium gas once removing driving mechanism
Atmosphere is destroyed, and there are the risks that radgas in heap discharges.In addition, high temperature gas cooled reactor primary Ioops reactor core is by knots such as graphite, carbon
Structure forms, and easily absorbs moisture, if toward more impurity is introduced in primary Ioops system in maintenance process, will extend it is next open heap before
The duration of helium purification dehumidifying.Therefore gas isolating environment is established in driving mechanism for control rod of high-temperature gas-cooled maintenance process.
Invention content
The purpose of this utility model is to provide a kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair, are ensureing to press
Control bar system fast assembling-disassembling is realized under the premise of atmosphere does not leak in force container.
In order to achieve the above objectives, technical solution adopted in the utility model is：
A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair, including atmosphere isolation device and inspection platform, atmosphere
Isolating device includes transhipment cabin, main cabin and transfer chamber；Main cabin hatch door is provided between main cabin ontology and transfer chamber ontology
II is transported between cabin ontology and main cabin ontology and is provided with main cabin hatch door I, is transported on the ontology of cabin and is provided with transhipment cabin door,
Transition cabin door is provided on transfer chamber ontology；Temperature sensor I, pressure sensor I and concentrations of helium detector I are mounted on
It transports on the ontology of cabin；Temperature sensor II, pressure sensor II and concentrations of helium detector II are mounted on main cabin ontology；
Temperature sensor III, pressure sensor III and concentrations of helium detector III are mounted on transfer chamber ontology；Transport cabin lifting lug
It is fixed on above transhipment cabin ontology, lifting lug is fixed on above main cabin ontology, and suspension hook is fixed on transhipment cabin ontology.
The atmosphere isolation device is absolute construction with inspection platform, in use, atmosphere isolation device is mounted on reaction
On heap head cover, inspection platform is placed in maintenance hall.
The main cabin and transfer chamber are structure as a whole.
Having the beneficial effect that acquired by the utility model：
The utility model, which can be realized, overhauls the control rod drive mechanism of high temperature gas cooled reactor, can be effectively prevented
The diffusion of the substances such as the leakage of primary Ioops helium and live graphite dust in driving mechanism maintenance process, while can stop impurity
Gas and foreign matter enter primary Ioops, farthest keep the purity of primary Ioops helium.The utility model can be safely and effectively right
The control rod drive mechanism of high temperature gas cooled reactor primary Ioops any position realizes dismounting and maintenance；The utility model can ensure that maintenance is real
The safety of personnel and equipment during applying.It can be achieved from air to a certain concentration helium in main cabin, transfer chamber and transhipment cabin
Displacement, after being replaced into helium, concentration is close with primary Ioops concentrations of helium；Main cabin, transfer chamber and transhipment cabin can be achieved
Detection to gas componant.
Description of the drawings
Fig. 1 is driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair structure chart；
Fig. 2 is atmosphere isolation device structure chart；
Fig. 3 is transhipment cabin structure figure；
Fig. 4 is main cabin and transfer chamber structure chart；
Fig. 5 is driving mechanism for control rod of high-temperature gas-cooled maintenance craft method flow diagram；
In figure：1, atmosphere isolation device；2, inspection platform；3, control rod drive mechanism；4, reactor lid；5, it transports
Cabin；6, main cabin；7, transfer chamber；8, temperature sensor I；9, pressure sensor I；10, cabin ontology is transported；11, cabin door is transported；
12, cabin lifting lug is transported；13, concentrations of helium detector I；14, suspension hook；15, temperature sensor II；16, pressure sensor II；17、
Main cabin ontology；18, main cabin hatch door I；19, main cabin lifting lug；20, concentrations of helium detector II；21, main cabin hatch door II；
22, temperature sensor III；23, pressure sensor III；24, concentrations of helium detector III；25, transfer chamber ontology；26, transition
Cabin door.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1-4, driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair described in the utility model include atmosphere every
From device 1 and inspection platform 2；Atmosphere isolation device 1 includes transhipment cabin 5, main cabin 6 and transfer chamber 7；It includes temperature to transport cabin 5
Sensor I8, pressure sensor I9, transhipment cabin ontology 10, transhipment cabin door 11, transhipment cabin lifting lug 12, concentrations of helium detector I
13 and suspension hook 14；Main cabin 6 and transfer chamber 7 are structure as a whole, including temperature sensor II15, pressure sensor II16, main cabin
Room ontology 17, main cabin hatch door I18, main cabin lifting lug 19, concentrations of helium detector II20, main cabin hatch door II21, temperature pass
Sensor III22, pressure sensor III23, concentrations of helium detector III24, transfer chamber ontology 25 and transition cabin door 26；
Atmosphere isolation device 1 is absolute construction with inspection platform 2, and the two collectively forms high temperature gas cooled reactor control rod driving machine
Structure apparatus for examination and repair；In use, atmosphere isolation device 1 is mounted on reactor lid 4, inspection platform 2 is placed in maintenance hall.
Transhipment cabin lifting lug 12 is fixed on 10 top of transhipment cabin ontology and turns for carrying out handling to entire atmosphere isolation device 1
Fortune cabin 5 can be removed from atmosphere isolation device 1, and can be transported to inspection platform 2 by transporting cabin lifting lug 12；Lifting lug 19 is fixed on
17 top of main cabin ontology, can be to 7 Integral lifting of main cabin 6 and transfer chamber；Suspension hook 14 is fixed on transhipment cabin ontology 10, is opened
After main cabin hatch door I18 and transhipment cabin door 11, it can be used suspension hook 14 by 3 handling of control rod drive mechanism of Awaiting Overhaul after dismounting
To transhipment cabin 5.
Temperature sensor I8, pressure sensor I9 and concentrations of helium detector I13 are mounted on transhipment cabin ontology 10；Temperature
Sensor II15, pressure sensor II16 and concentrations of helium detector II20 is spent to be mounted on main cabin ontology 17；Temperature passes
Sensor III22, pressure sensor III23 and concentrations of helium detector III24 are mounted on transfer chamber ontology 25.
Atmosphere isolation device 1 includes multiple hatch doors, and main cabin is provided between main cabin ontology 17 and transfer chamber ontology 25
Hatch door II21 is transported between cabin ontology 10 and main cabin ontology 17 and is provided with main cabin hatch door I18, is transported on cabin ontology 10 and is arranged
There is transhipment cabin door 11, transition cabin door 26 is provided on transfer chamber ontology 25；Transition cabin door 26 be personnel enter atmosphere every
The main cabin hatch door II21 of channel from device 1, transfer chamber 7 and 6 intersection of main cabin is the channel that personnel pass in and out main cabin 6,
Main cabin hatch door I18 and the channel that transhipment cabin door 11 is handling control rod drive mechanism 3；It is each when all hatch doors are closed
Between cabin gas exchanges are no longer carried out with extraneous without gas exchanges, atmosphere isolation device.
As shown in figure 5, driving mechanism for control rod of high-temperature gas-cooled maintenance craft method includes the following steps：(1) cold shutdown
Afterwards, temperature adjustment and pressure regulation are carried out to primary Ioops system, while sample detecting is carried out to the gas of primary Ioops and analyzes its ingredient；(2)
Remove the equipment such as insulating layer；(3) use bolt stretching machine by the connection spiral shell in control rod drive mechanism 3 and head cover connecting flange faces
Bolt unscrews；(4) atmosphere isolation device 1 is mounted on reactor lid 4；(5) main cabin hatch door II21 is closed, by main cabin 6
And the air in transhipment cabin 5 is replaced into helium；(6) (such as oxygen cylinder) passes through transfer chamber after operating personnel have dressed safeguard procedures
Hatch door 26 enters transfer chamber 7, later closes transfer chamber 7 and extraneous channel (transition cabin door 26), and by the sky in transfer chamber 7
Gas is replaced into helium；(7) operating personnel enter main cabin 6 by main cabin hatch door II21 from transfer chamber 7, after operating personnel enter
Main cabin hatch door II 21 is closed, and one group of control rod drive mechanism 3 is removed by tool equipment；(8) main cabin hatch door is opened
The control rod drive mechanism 3 removed is transferred to transhipment cabin 5, by control rod by I18 and transhipment cabin door 11 by suspension hook 14
Driving mechanism 3 is sealed, and closes main cabin hatch door I18 and transhipment cabin door 11；(9) operating personnel pass through main cabin hatch door
II21 returns transfer chamber 7, and main cabin hatch door II21 is closed, air will be replaced into transfer chamber 7, operating personnel pass through transfer chamber cabin
Door 26 walks out atmosphere isolation device 1；(10) control rod drive mechanism 3, will be in transhipment cabin 5 after the completion of transporting 5 packaging closures of cabin
It is replaced into air；(11) transhipment cabin 5 is removed from atmosphere isolation device 1, is hoisted to by transporting cabin lifting lug 12 by cabin 5 is transported
Inspection platform 2 opens transhipment cabin door 11, control rod drive mechanism 3 is transported to inspection platform 2 and is overhauled；(12) it overhauls
After the completion of work, the packaging of control rod drive mechanism 3 is transported to transhipment cabin 5, and transhipment cabin 5 is returned and is attached to atmosphere isolation device 1
On, then air in cabin 5 will be transported and be replaced into helium；(13) control rod is driven by main cabin hatch door I18 and transhipment cabin door 11
Motivation structure 3 is transferred to main cabin 6；(14) operating personnel enter transfer chamber 7, and transition cabin door 26 is closed, and will be in transfer chamber 7
Air be replaced into helium, operating personnel enter main cabin 6 later, and return dress control rod drive mechanism 3；(15) operating personnel return
Main cabin hatch door II21 is closed into after transfer chamber 7, will be replaced into air, operating personnel in transfer chamber 7 later by transfer chamber 7
Atmosphere isolation device 1 is walked out by transition cabin door 26；(16) 3 performance of control rod drive mechanism is detected, after the completion will
Helium replacement is air in main cabin 6 and transhipment cabin 5；(17) atmosphere isolation device 1 is removed；(18) use bolt stretching machine that will control
Rod drive mechanism 3 processed is tightened with the connection bolt on head cover connecting flange faces；(19) sample detecting is carried out to the gas of primary Ioops
And analyze its ingredient；(20) equipment such as dress insulating layer are returned；(21) helium purification in heap；(22) it after the completion of whole flow process, is opened
Heap.In whole process, equipment and personnel after hatch door by being momentarily turned off hatch door.
Claims (3)
1. a kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair, it is characterised in that：Including atmosphere isolation device (1) and inspection
Equating platform (2), atmosphere isolation device (1) include transhipment cabin (5), main cabin (6) and transfer chamber (7)；Main cabin ontology (17) with
It is provided with main cabin hatch door II (21) between transfer chamber ontology (25), is set between transhipment cabin ontology (10) and main cabin ontology (17)
It is equipped with main cabin hatch door I (18), transhipment cabin door (11) is provided on transhipment cabin ontology (10), transfer chamber ontology is arranged on (25)
There is transition cabin door (26)；Temperature sensor I (8), pressure sensor I (9) and concentrations of helium detector I (13), which are mounted on, to be turned
It transports on cabin ontology (10)；Temperature sensor II (15), pressure sensor II (16) and concentrations of helium detector II (20) installations
On main cabin ontology (17)；Temperature sensor III (22), pressure sensor III (23) and concentrations of helium detector III
(24) it is mounted on transfer chamber ontology (25)；Transhipment cabin lifting lug (12) is fixed on above transhipment cabin ontology (10), and lifting lug (19) is solid
It is scheduled on above main cabin ontology (17), suspension hook (14) is fixed on transhipment cabin ontology (10).
2. driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair according to claim 1, it is characterised in that：The gas
Atmosphere isolating device (1) is absolute construction with inspection platform (2), in use, atmosphere isolation device (1) is mounted on reactor lid
(4) on, inspection platform (2) is placed in maintenance hall.
3. driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair according to claim 1, it is characterised in that：The master
Cabin (6) and transfer chamber (7) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332162.0U CN207947073U (en) | 2017-10-17 | 2017-10-17 | A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721332162.0U CN207947073U (en) | 2017-10-17 | 2017-10-17 | A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair |
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| Publication Number | Publication Date |
|---|---|
| CN207947073U true CN207947073U (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721332162.0U Active CN207947073U (en) | 2017-10-17 | 2017-10-17 | A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair |
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| Country | Link |
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| CN (1) | CN207947073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671509A (en) * | 2017-10-17 | 2019-04-23 | 华能山东石岛湾核电有限公司 | A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair and maintenance craft method |
| CN112863708A (en) * | 2021-01-14 | 2021-05-28 | 华能山东石岛湾核电有限公司 | System for regulating cabin temperature of high-temperature gas cooled reactor |
-
2017
- 2017-10-17 CN CN201721332162.0U patent/CN207947073U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671509A (en) * | 2017-10-17 | 2019-04-23 | 华能山东石岛湾核电有限公司 | A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair and maintenance craft method |
| CN109671509B (en) * | 2017-10-17 | 2024-04-09 | 华能山东石岛湾核电有限公司 | Overhauling device and overhauling process method for control rod driving mechanism of high-temperature gas cooled reactor |
| CN112863708A (en) * | 2021-01-14 | 2021-05-28 | 华能山东石岛湾核电有限公司 | System for regulating cabin temperature of high-temperature gas cooled reactor |
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