CN114171224A - Method for installing primary equipment of primary loop of reactor - Google Patents
Method for installing primary equipment of primary loop of reactor Download PDFInfo
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- CN114171224A CN114171224A CN202111298142.7A CN202111298142A CN114171224A CN 114171224 A CN114171224 A CN 114171224A CN 202111298142 A CN202111298142 A CN 202111298142A CN 114171224 A CN114171224 A CN 114171224A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/006—Details of nuclear power plant primary side of steam generators
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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
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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 invention discloses a method for installing primary equipment of a reactor primary loop, which comprises the following steps: s1) pre-assembling a reactor pressure vessel, reactor internals, an inner sleeve, a steam generator and a main pump shell into a vessel module, and pre-assembling a reactor pressure vessel top cover, a control rod driving mechanism and a reactor top structure into a reactor top module; s2) mounting a main equipment bracket and a voltage stabilizer bracket; s3) hoisting the container module to the main equipment bracket, adjusting the position of the container module, and installing the container module on the main equipment bracket; and S4) mounting the pressurizer on the pressurizer support, connecting the main pump motor and hydraulic components to the main pump housing, and mounting the top stack module on the container module. Compared with the prior art, the method for installing the primary equipment of the primary loop of the reactor is characterized in that each piece of equipment is pre-assembled into the container module and the stack top module in the equipment assembly plant, and then the container module and the stack top module are transported to the installation site for installation, so that the installation precision and efficiency can be improved.
Description
Technical Field
The invention belongs to the technical field of installation of key equipment of nuclear power stations, and particularly relates to a method for installing primary equipment of a primary circuit of a reactor.
Background
At present, a loop type design is mostly adopted for primary loop equipment of a reactor of a traditional land nuclear power station, during installation, single equipment is transported to a final assembly plant to be installed respectively, and main pipelines are welded on site among the installed equipment and connected.
However, in some places with limited sites (for example, a compact-type arrangement equipment reactor), the equipment distance of the main equipment of the reactor primary loop is small, the interfaces among the equipment are numerous, the installation precision requirement is high, the installation content is complex, and the site installation and construction conditions are limited. Therefore, the traditional method for installing the primary equipment of the primary loop of the reactor of the land nuclear power plant is not suitable.
In view of the above, it is necessary to provide a method for installing a primary reactor loop main device, which is suitable for installing a primary reactor loop main device with a small device pitch and a limited installation space.
Disclosure of Invention
The invention aims to: the method for installing the primary equipment of the primary loop of the reactor is suitable for installing the primary equipment of the primary loop of the reactor with small equipment distance and limited installation space.
In order to achieve the above object, the present invention provides a method for installing a primary equipment of a reactor primary circuit, which comprises the following steps:
s1) pre-assembling a reactor pressure vessel, reactor internals, an inner sleeve, a steam generator and a main pump shell into a vessel module, and pre-assembling a reactor pressure vessel top cover, a control rod driving mechanism and a reactor top structure into a reactor top module;
s2) mounting a main equipment bracket and a voltage stabilizer bracket;
s3) hoisting the container module to the main equipment bracket, adjusting the position of the container module, and installing the container module on the main equipment bracket; and
s4) mounting a pressurizer on the pressurizer support, connecting a main pump motor and hydraulic components with the main pump housing, and mounting the top stack module on the container module.
According to one embodiment of the reactor primary equipment installation method of the present invention, step S1) pre-assembling the vessel module includes: and sequentially hoisting the reactor pressure vessel, the main pump casing and the steam generator into an adjusting rack, adjusting the position, and then carrying out butt welding of the steam generator and the reactor pressure vessel connecting pipe mouth, butt welding of the main pump connecting pipe and the reactor pressure vessel connecting pipe mouth, and stainless steel surfacing of the inner wall of the connecting pipe.
According to one embodiment of the method for installing the primary equipment of the reactor primary loop, step S1) is to hoist the guide ring cavity assembly into the reactor pressure vessel for initial fixing before welding the lower end socket of the reactor pressure vessel in the pre-assembled vessel module.
According to one embodiment of the method for installing the primary equipment of the reactor primary loop, the guide ring cavity assembly is lowered to the bottom of the reactor pressure vessel to be fixed when the vessel modules are welded.
According to one embodiment of the reactor primary equipment installation method of the present invention, step S1) pre-assembling the vessel module includes: and hoisting the inner sleeve into the reactor pressure vessel for trial assembly, measuring the axial and circumferential positions, then processing and repairing, and installing a sealing element.
According to one embodiment of the reactor primary equipment installation method of the present invention, step S1) pre-assembling the vessel module includes: the in-reactor shielding assembly is disassembled into single shielding blocks outside the reactor pressure vessel, and the shielding blocks are sequentially hung inside the reactor pressure vessel and are fixedly connected with the upper part and the lower part of the reactor pressure vessel through supporting key pins respectively after being assembled into a whole inside the reactor pressure vessel.
According to an embodiment of the method for installing the primary equipment of the reactor primary loop, step S1) is to pre-assemble the container module, wherein the reactor internals include an upper reactor internals and a lower reactor internals, the lower reactor internals are firstly tried to be hoisted for a plurality of times, gap repair and measurement at a hanging basket outlet nozzle and a lower radial support key are completed, installation of the lower reactor internals is completed, and then the upper reactor internals are hoisted for a plurality of times to complete centering and related gap distance inspection of the upper reactor internals and the lower reactor internals, so that installation of the reactor internals is completed.
According to one embodiment of the reactor-loop primary equipment installation method of the present invention, the step S1) of pre-assembling the reactor head module includes: and installing the control rod driving mechanism on the top cover of the reactor pressure vessel, and installing a central part heat-insulating layer on the top cover of the reactor pressure vessel in cooperation with a ventilation enclosing plate of a reactor top structure.
According to one embodiment of the method for installing a primary equipment in a reactor loop of the present invention, the step S4) of installing a pressurizer includes: and hoisting the horizontal support at the upper part of the voltage stabilizer to a mounting position and welding and fixing the horizontal support, mounting a skirt adjusting plate on the voltage stabilizer support, hoisting the voltage stabilizer to the mounting position, and locking and connecting the voltage stabilizer and the voltage stabilizer support by adopting bolts.
According to an embodiment of the method for installing a primary equipment in a reactor loop of the present invention, the step S4) of installing the pressurizer further includes: and after the hydraulic test is qualified, the fluctuation tube is respectively welded with the pressure stabilizer and a hot section nozzle of the steam generator.
Compared with the prior art, in the reactor primary loop main equipment installation method, the reactor pressure vessel, the reactor internals, the inner sleeve, the steam generator and the main pump shell are pre-assembled into the vessel module in the equipment assembly factory in advance, the reactor pressure vessel top cover, the control rod driving mechanism and the reactor top structure are pre-assembled into the reactor top module in the equipment assembly factory in advance, and then the vessel module and the reactor top module are transported to the installation site to complete final installation.
Drawings
The method for installing a primary reactor circuit main unit and the technical effects thereof according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description, wherein:
FIG. 1 is a schematic flow chart of a method for installing a primary reactor primary equipment of a reactor according to the present invention.
Fig. 2 is a schematic structural diagram of a primary reactor circuit main device assembled by the primary reactor circuit main device installation method of the invention.
In the figure:
10- -reactor pressure vessel; 100- -internals; 102- -inner sleeve; 104-in-stack shield assembly; 106-a flow annulus assembly; 108- -heap top structure; 110- -control rod drive mechanism; 20-a steam generator; 30- -main pump; 40- -Voltage stabilizer; 400- -a surge tube; 50 — host equipment rack; 60- -stabilizer holder.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, the present invention provides a method for installing a primary reactor loop main equipment, which comprises the following steps:
s1) pre-assembling the reactor pressure vessel and the reactor internals 100, the inner sleeve 102, the steam generator 20, the main pump casing into a vessel module, and pre-assembling the reactor pressure vessel head, the control rod drive mechanism 110, and the reactor head structure 108 into a reactor head module;
s2) mounting the main device bracket 50 and the stabilizer bracket 60;
s3) hoisting the container module to the main apparatus bracket 50, adjusting the position of the container module, and mounting the container module on the main apparatus bracket 50; and
s4) mounting the pressurizer 40 on the pressurizer support 60, connecting the main pump motor and hydraulic components to the main pump housing, and mounting the top stack module on the container module.
Specifically, step S1) of pre-assembling the container module includes:
before the lower end enclosure of the reactor pressure vessel 10 is welded, the guide ring cavity assembly 106 is hung into the reactor pressure vessel 10 for initial fixation, and at the moment, the upper flange and the lower flange of the guide ring cavity assembly 106 are fixed on the inner wall of the reactor pressure vessel 10 through pins.
Sequentially hoisting the reactor pressure vessel 10, a main pump shell and a steam generator 20 into a special adjusting rack, wherein an adjusting device for adjusting the position of equipment is arranged on the adjusting rack, and the adjusting device is connected with an equipment outer wall supporting key; adjusting 6 degrees of freedom of a single device, ensuring the levelness and elevation of a reference installation surface of the reactor pressure vessel 10 and ensuring the alignment of the device connecting pipes; after the adjustment is completed, the steam generator 20 and the nozzle of the reactor pressure vessel 10 are butt-welded, the nozzle of the main pump 30 and the nozzle of the reactor pressure vessel 10 are butt-welded, stainless steel surfacing on the inner wall of the nozzle is implemented, the reactor pressure vessel 10, the main pump 30 and the steam generator 20 are integrated, and when the vessel is integrally assembled and welded, the guide ring cavity assembly 106 is lowered to the bottom of the reactor pressure vessel 10 and fixed.
The pipe connecting nozzle of the assembled container integral equipment system pipeline is sealed by a welding plug, and a control rod driving mechanism sealing shell and a reactor measuring connecting pipe of a main pump shell and a top cover part are sealed by adopting a mechanical structure. In order to ensure the safety of later nuclear power operation, a primary side integral hydrostatic test needs to be implemented, the leakage condition of a primary side weld joint is checked, and the stress and deformation of a key part are measured.
The support base of the main equipment support 50 is formed by welding plates, the support base at the upper part of the support base is matched with an external support key of the equipment, and after the main container module is subjected to hydrostatic test, the container module and the reactor main equipment support 50 are debugged in advance.
At this time, the guide ring cavity assembly 106 at the lower portion of the reactor pressure vessel 10 is moved to the installation position, the upper and lower flange fixing pins are installed, the upper and lower sealing members are welded, and the final installation of the guide ring cavity assembly 106 is completed.
And hoisting the inner sleeve 102 into the reactor pressure vessel for trial assembly, measuring the axial position and the circumferential position, then machining and repairing, installing a sealing element after repairing and finally installing the sealing element.
The in-reactor shielding assembly 104 is disassembled into single shielding blocks outside the reactor pressure vessel, the shielding blocks are sequentially hung inside the reactor pressure vessel 10, and after being assembled into a whole inside the reactor pressure vessel 10, the shielding blocks are fixedly connected with the upper and lower supporting key pins of the reactor pressure vessel 10.
Before installation, the internals 100 are divided into two major parts, an upper internals and a lower internals. When the container module is preassembled, firstly, trying to lift the lower in-pile component for multiple times, completing equal-gap repair and measurement at a nozzle of a hanging basket outlet and a lower radial support key, and completing the final installation of the lower in-pile component; then, the upper internals are hoisted several times to complete the upper and lower centering and the related clearance distance check, completing the final installation of the internals 100.
Specifically, step S1) of pre-assembling the stack top module includes:
the reactor pressure vessel top cover assembly is firstly provided with a control rod driving mechanism 110, a claw assembly is hung into a sealing shell and is installed in place, a driving rod stroke sleeve is hung into the sealing shell and is connected with a thread on the sealing shell, a small omega sealing welding seam is applied to a welding joint, a single tube hydrostatic test of the rod driving mechanism is implemented after the welding is qualified, and then the coil assembly, a rod position detector, a limiting nut and a check washer are installed.
The heat preservation layer at the central part of the upper part of the top cover of the reactor pressure vessel is matched with a ventilation coaming of the reactor top structure 108 and is arranged on the top cover of the reactor pressure vessel, and the coaming is connected with a top cover supporting table through bolts. The lower lifting appliance is connected with the top cover of the reactor pressure vessel through a pin. Subsequently, other ventilation components, impact-resistant support devices, cable trays, upper hangers, etc. are installed to complete the top-of-stack module assembly.
It is understood that the pre-assembled container module and the pre-assembled stack top module in step S1) may be performed simultaneously or sequentially in the facility assembly plant; further, step S2) may be performed before, after, or simultaneously with the pre-assembly of the container module and the pre-assembly of the stack top module.
Specifically, S2) mounting the main device bracket 50 and the regulator bracket 60 includes: the main equipment support 50 and the separate stabiliser support 60 are hoisted into the reactor bay and welded in place.
Specifically, S3) hoisting the container module onto the main apparatus support 50, adjusting the container module position, and mounting the container module on the main apparatus support 50 includes: and hoisting the container module to a main equipment bracket 50 of the reactor cabin, hoisting the supporting key into the supporting seat, adjusting the thickness of the horizontal adjusting plate and the thickness of the side adjusting plate of the supporting seat, and completing the adjustment of the final installation position of the container module.
Specifically, S4) mounting the pressurizer 40 on the pressurizer support 60, and mounting the stack top module on the container module includes: the upper horizontal support of the voltage stabilizer 40 is hoisted to the installation position and welded and fixed, the skirt adjusting plate is installed on the voltage stabilizer bracket 60, the voltage stabilizer 40 is hoisted to the installation position, and the voltage stabilizer 40 and the voltage stabilizer bracket 60 are locked and connected by bolts. Subsequently, the distance between the adjustable stop and the stabilizer 40 is adjusted to ensure lateral support.
The method is characterized in that a plurality of sections of surge tubes 400 are pre-installed and connected on a voltage stabilizer 40, the lengths of the sections of the surge tubes 400 are trial-assembled according to the distance between a steam generator 20 and the voltage stabilizer 40, then the welding and the hydraulic test of the surge tubes 400 are carried out, and after the hydraulic test is qualified, the surge tubes 400 are respectively welded and connected with the voltage stabilizer 40 and a hot section nozzle of the steam generator 20. And then, installing the surge pipe supporting table and the damper, and rotationally adjusting the angle and the length of the surge pipe supporting table and the damper to complete the installation of the surge pipe support.
Specifically, S4) coupling the main pump motor and the hydraulic component to the main pump housing includes: a main pump motor and a hydraulic component are respectively hung on a main pump shell, a sealing piece is installed and mechanically fixed with a pump shell flange through a bolt, and the hydraulic component mainly comprises an impeller and a guide vane.
Referring to fig. 2, a schematic structural diagram of a primary loop main unit of a compact reactor assembled by the primary loop main unit installation method of the present invention mainly includes a reactor pressure vessel 10, a steam generator 20, a main pump 30, a pressurizer 40, and a reactor main unit support 50. The main equipment is centered on the reactor pressure vessel 10, and the steam generator 20 and the main pump 30 are arranged symmetrically. The reactor pressure vessel 10 and the steam generator 20, and the reactor pressure vessel 10 and the main pump 30 are directly connected through equipment connecting pipes, and the steam generator 20 and the main pump 30 are connected without a pipeline.
An inner sleeve 102 is arranged in the equipment connecting pipe, and a guide ring cavity assembly 106 is arranged in the reactor pressure vessel 10 to form a bidirectional flow channel in the equipment, so that the circulation of the reactor coolant in a loop is realized. The straight pipe section on one side of the inner sleeve 102 is mechanically connected with the guide ring cavity assembly 106, and the other side of the inner sleeve is in socket fit with the equipment elbow. The pressurizer 40 is connected to the hot leg annulus of the steam generator 20 by surge tubes 400. The host device is mounted on the host device bracket 50 by external support keys.
It should be noted that the reactor primary circuit main equipment assembled by the method for installing the reactor primary circuit main equipment of the present invention has basically the same structure as the existing reactor primary circuit main equipment, and only the specific installation process is different, so that the detailed description of each equipment or specific components thereof related to the reactor primary circuit main equipment is omitted in this specification.
As can be seen from the above detailed description of the embodiments of the present invention, compared with the prior art, in the installation method of the primary reactor-loop main equipment according to the present invention, the reactor pressure vessel 10, the reactor internals 104, the inner sleeve 102, the steam generator 20, and the pump casing of the main pump are pre-assembled into the vessel module in the plant assembly factory, the reactor pressure vessel head, the control rod driving mechanism 110, and the reactor head structure 108 are pre-assembled into the reactor head module in the plant assembly factory, and then the vessel module and the reactor head module are transported to the installation site to complete the final installation.
The present invention can be modified and adapted appropriately from the above-described embodiments, according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A method for installing primary equipment of a reactor primary circuit is characterized by comprising the following steps:
s1) pre-assembling a reactor pressure vessel, reactor internals, an inner sleeve, a steam generator and a main pump shell into a vessel module, and pre-assembling a reactor pressure vessel top cover, a control rod driving mechanism and a reactor top structure into a reactor top module;
s2) mounting a main equipment bracket and a voltage stabilizer bracket;
s3) hoisting the container module to the main equipment bracket, adjusting the position of the container module, and installing the container module on the main equipment bracket; and
s4) mounting a pressurizer on the pressurizer support, connecting a main pump motor and hydraulic components with the main pump housing, and mounting the top stack module on the container module.
2. The reactor primary plant installation method of claim 1, wherein the step S1) of pre-assembling the vessel modules includes: and sequentially hoisting the reactor pressure vessel, the main pump casing and the steam generator into an adjusting rack, adjusting the position, and then carrying out butt welding of the steam generator and the reactor pressure vessel connecting pipe mouth, butt welding of the main pump connecting pipe and the reactor pressure vessel connecting pipe mouth, and stainless steel surfacing of the inner wall of the connecting pipe.
3. The method for installing the primary equipment in the reactor primary loop according to claim 2, wherein in the step S1), the reactor pressure vessel is assembled in advance, and the guide ring cavity assembly is hoisted into the reactor pressure vessel for initial fixation before the lower end socket of the reactor pressure vessel is welded.
4. The method of claim 3, wherein the assembly is lowered to a reactor pressure vessel bottom for attachment during welding of the vessel modules.
5. The reactor primary plant installation method of claim 2, wherein the step S1) of pre-assembling the vessel module includes: and hoisting the inner sleeve into the reactor pressure vessel for trial assembly, measuring the axial and circumferential positions, then processing and repairing, and installing a sealing element.
6. The reactor primary plant installation method of claim 1, wherein the step S1) of pre-assembling the vessel modules includes: the in-reactor shielding assembly is disassembled into single shielding blocks outside the reactor pressure vessel, and the shielding blocks are sequentially hung inside the reactor pressure vessel and are fixedly connected with the upper part and the lower part of the reactor pressure vessel through supporting key pins respectively after being assembled into a whole inside the reactor pressure vessel.
7. The reactor primary equipment installation method according to claim 1, wherein step S1) is to pre-assemble the container module, wherein the reactor internals include an upper reactor internals and a lower reactor internals, the lower reactor internals are firstly lifted for a plurality of times, gap repair and measurement at a basket outlet nozzle and a lower radial support key are completed, installation of the lower reactor internals is completed, and then the upper reactor internals are lifted for a plurality of times to complete centering of the upper reactor internals and the lower reactor internals and inspection of relative gap distance, and then installation of the reactor internals is completed.
8. The reactor primary equipment installation method of claim 1, wherein the step S1) of pre-assembling the top module includes: and installing the control rod driving mechanism on the top cover of the reactor pressure vessel, and installing a central part heat-insulating layer on the top cover of the reactor pressure vessel in cooperation with a ventilation enclosing plate of a reactor top structure.
9. The reactor-loop main equipment installation method as claimed in claim 1, wherein the step S4) of installing the pressurizer comprises: and hoisting the horizontal support at the upper part of the voltage stabilizer to a mounting position and welding and fixing the horizontal support, mounting a skirt adjusting plate on the voltage stabilizer support, hoisting the voltage stabilizer to the mounting position, and locking and connecting the voltage stabilizer and the voltage stabilizer support by adopting bolts.
10. The method of claim 9, wherein the step S4) of installing the pressurizer further comprises: and after the hydraulic test is qualified, the fluctuation tube is respectively welded with the pressure stabilizer and a hot section nozzle of the steam generator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298142.7A CN114171224A (en) | 2021-11-04 | 2021-11-04 | Method for installing primary equipment of primary loop of reactor |
| PCT/CN2022/129960 WO2023078412A1 (en) | 2021-11-04 | 2022-11-04 | Reactor primary circuit main device installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298142.7A CN114171224A (en) | 2021-11-04 | 2021-11-04 | Method for installing primary equipment of primary loop of reactor |
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| CN114171224A true CN114171224A (en) | 2022-03-11 |
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| CN202111298142.7A Pending CN114171224A (en) | 2021-11-04 | 2021-11-04 | Method for installing primary equipment of primary loop of reactor |
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| WO (1) | WO2023078412A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078412A1 (en) * | 2021-11-04 | 2023-05-11 | 中广核研究院有限公司 | Reactor primary circuit main device installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736925B (en) * | 2007-09-27 | 2012-06-20 | 中国核工业二三建设有限公司 | Modular construction method for nuclear island of nuclear power station |
| WO2017028201A1 (en) * | 2015-08-18 | 2017-02-23 | 中广核工程有限公司 | Nuclear reactor coolant system main circuit arrangement structure |
| CN205680447U (en) * | 2016-03-25 | 2016-11-09 | 上海核工程研究设计院 | A kind of one loop of nuclear power station main equipment |
| CN107975148B (en) * | 2017-10-24 | 2019-11-01 | 宋丰伟 | Primary system component pre-introduced method |
| CN108922643A (en) * | 2018-07-20 | 2018-11-30 | 中广核研究院有限公司 | A kind of small-sized heap reactor-loop overall structure of compact Layout |
| CN109166635B (en) * | 2018-08-01 | 2024-05-10 | 中广核研究院有限公司 | Integrated integral support device for multi-container system |
| CN114171224A (en) * | 2021-11-04 | 2022-03-11 | 中广核研究院有限公司 | Method for installing primary equipment of primary loop of reactor |
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- 2021-11-04 CN CN202111298142.7A patent/CN114171224A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078412A1 (en) * | 2021-11-04 | 2023-05-11 | 中广核研究院有限公司 | Reactor primary circuit main device installation method |
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