CN112164480B - Rod drop test device and system of control rod drive wire - Google Patents
Rod drop test device and system of control rod drive wire Download PDFInfo
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- CN112164480B CN112164480B CN202010916081.5A CN202010916081A CN112164480B CN 112164480 B CN112164480 B CN 112164480B CN 202010916081 A CN202010916081 A CN 202010916081A CN 112164480 B CN112164480 B CN 112164480B
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- control rod
- rod drive
- drive wire
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
- G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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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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- High Energy & Nuclear Physics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses stick test device and system that falls of control rod drive wire relates to nuclear power equipment's technical field, and the stick test device that falls includes: the top of the frame body is provided with a release mechanism which is used for connecting or disconnecting a control rod driving wire to be tested; the shell is arranged on the frame body and is provided with an accommodating cavity for the falling motion of the control rod driving wire; the impact force sensor is arranged in the accommodating cavity and is used for measuring the impact force of the control rod driving wire falling rod at the lowest position; and the high-speed camera device is arranged on the frame body, faces the shell and is used for acquiring a curve of the relation between displacement and time in the rod falling process of the control rod drive wire. The method and the device can simulate the rod falling process of the control rod drive wire, and obtain the displacement time curve of the rod falling and the impact force at the last stage of the rod falling.
Description
Technical Field
The application relates to the technical field of nuclear power equipment, in particular to a rod drop test device and system of a control rod drive wire.
Background
In a nuclear power plant reactor, a control rod driving mechanism mainly has the function of driving a control rod assembly to move up and down in a reactor core to control reactivity, and after an emergency shutdown signal is triggered, the control rod assembly can realize rapid rod falling under the action of gravity and an accelerating spring so as to realize safe shutdown. However, if the impact force at the last stage of control rod drop is too large, the related structures in the reactor are easily damaged, so that a drop buffer structure is arranged on the control rod drive wire; however, whether the control rod drive wire can meet the rod drop time requirement and the rod drop impact force requirement at the same time needs to be measured.
Due to the complex structure of the reactor, the number of test devices for the control rod drive wire in the industry is small, and the test and measurement of rod falling time and impact force can be carried out simultaneously, so that the method is also the key direction of research and development.
Disclosure of Invention
The embodiment of the application provides a rod drop test device and system for a control rod drive wire, which can simulate the rod drop process of the control rod drive wire and acquire a displacement and time relation curve of the rod drop and impact force at the final stage of the rod drop.
On the one hand, this application embodiment provides a rod drop test device of control rod drive wire, the rod drop test device includes:
the top of the fixedly arranged frame body is provided with a release mechanism which is used for connecting or disconnecting a control rod driving wire to be tested;
the shell is arranged on the frame body and is provided with an accommodating cavity for the falling motion of the control rod driving wire;
the impact force sensor is arranged in the accommodating cavity and is used for measuring the impact force of the control rod driving wire falling rod at the lowest position;
and the high-speed camera device is arranged on the frame body, faces the shell and is used for acquiring a relation curve of displacement and time in a rod falling process of the control rod driving wire.
In the embodiment of the present application, preferably, the housing includes an upper housing, an upper container cylinder, and a lower container cylinder that are detachably connected in sequence from top to bottom, and the inner diameters of the upper housing, the upper container cylinder, and the lower container cylinder increase in sequence;
go up the casing and be transparent material, and be equipped with the displacement sign along vertical direction on this outer wall of going up the casing.
Preferably, the upper vessel cylinder is flanged with the lower vessel cylinder.
Preferably, the drop test device further comprises:
and the fuel fixing barrel assembly is arranged in the lower container barrel, and the top center of the fuel fixing barrel assembly is provided with the impact force sensor.
Preferably, the fuel fixing cartridge assembly comprises:
a fuel fixed cylinder arranged vertically;
the lower fixing plate is horizontally arranged, is arranged at the lower part of the fuel fixing cylinder and is connected with the lower container cylinder body;
and the upper fixing plate is horizontally arranged, is arranged at the upper part of the fuel fixing cylinder and is connected with the lower container cylinder body.
Preferably, the drop test device further comprises:
a guide cylinder assembly secured above the fuel fixing cylinder assembly by a sleeve, the guide cylinder assembly being located entirely within the lower vessel cylinder.
Preferably, the guide cylinder assembly includes a vertically disposed guide groove of a C-shaped configuration.
Preferably, the frame body is further provided with an operating platform which is annularly arranged on the peripheral side of the lower container cylinder and is connected with the side wall of the lower container cylinder; and/or the drop test device further comprises:
the righting support is fixedly arranged and provided with an opening with an upward opening, and the opening is used for accommodating the bottom of the shell.
Preferably, a water injection port is formed in the bottom of the shell and is used for communicating the inside and the outside of the shell.
On the other hand, this application embodiment still provides a drop test system of control rod drive line, includes:
a control rod drive line to be tested;
according to the drop test device of the control rod drive wire, the control rod drive wire is installed in the shell, and the release mechanism is used for controlling the connection or disconnection of the control rod drive wire.
The technical scheme who provides this application brings beneficial effect includes:
(1) The embodiment of the application provides a rod dropping test device and system of a control rod drive wire, which can simulate the rod dropping process of the control rod drive wire, acquire the relation curve of the displacement of the dropped rod and the time and the impact force at the last stage of the dropped rod, and provide a design basis for the structural design of the control rod drive wire.
(2) In this application embodiment, the compact structure of casing, the lower container barrel of different internal diameters, go up the container barrel, go up casing demountable installation in proper order, the installation of the control rod drive wire of being convenient for await measuring ensures that the control rod drive wire simulates the process of rod falling smoothly under the action of gravity.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is an elevation view of a control rod drive line drop test system provided in accordance with an embodiment of the present application;
FIG. 2 is an enlarged view taken at I in FIG. 1;
FIG. 3 is an enlarged view taken at J of FIG. 1;
FIG. 4 is a schematic view of the installation of the upper and lower vessel cylinders;
FIG. 5 is a schematic view of the mounting of the upper and lower housings;
FIG. 6 is an elevational view of the control rod assembly;
in the figure: 1. a frame body; 11. a release mechanism; 12. an operating platform; 2. a control rod drive wire; 21. a drive rod; 22. a buffer mechanism; 23. a control rod assembly; 231. a planet carrier; 232. a connecting portion; 233. a control rod; 3. a housing; 31. an upper housing; 311. displacement identification; 32. a lower housing; 33. an upper vessel cylinder; 34. a lower vessel cylinder; 35. a water injection interface; 4. an impact force sensor; 41. a sensor mounting plate; 42. a sensor mounting cylinder; 5. a high-speed image pickup device; 6. a fuel fixed barrel assembly; 61. a fuel fixing barrel; 62. a lower fixing plate; 63. an upper fixing plate; 7. a guide cylinder assembly; 71. a guide groove; 8. a sleeve; 9. righting the support; 91. and (4) opening the opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, an embodiment of the present application provides a rod drop test apparatus for a control rod drive wire, including:
the top of the fixedly arranged frame body 1 is provided with a release mechanism 11, and the release mechanism 11 is used for connecting or disconnecting the control rod drive wire 2 to be tested;
the housing 3 is arranged on the frame body 1 and is provided with an accommodating cavity for the rod falling motion of the control rod drive wire 2;
the impact force sensor 4 is arranged in the accommodating cavity and is used for measuring the impact force when the control rod driving wire 2 falls into the lowest position;
and the high-speed camera device 5 is arranged on the frame body 1 and faces the shell 3 and is used for acquiring a relation curve of displacement and time in a rod falling process of the control rod drive wire 2.
The embodiment of the application provides a rod falling test device of control rod drive wire, its theory of operation is:
a control rod drive wire 2 to be tested is placed in the receiving cavity of the housing 3, which control rod drive wire 2 simulates 1: the control rod driving wire is manufactured in a size of 1, wherein the top of the control rod driving wire 2 is connected with a release mechanism 11, the control rod driving wire 2 falls down under the action of gravity, a high-speed camera device 5 is adopted to shoot pictures of the control rod driving wire 2 at different moments in the falling process, and a relation curve of displacement and time of the control rod driving wire 2 is determined, so that the relation between the falling time and the displacement is determined; when the control rod drive wire 2 falls onto the impact sensor 4, the impact sensor 4 acquires the impact at the end of the rod fall. Therefore, the method and the device can simulate the rod falling process of the control rod drive wire 2, obtain the indexes of the reactor safety shutdown (rod falling time and impact force at the end of rod falling), and provide reference basis for designing the control rod drive wire 2 meeting higher indexes.
In this embodiment, the release mechanism 11 is any one of the prior art, for example, the manual release device disclosed in chinese patent "a manual release device and release method" with patent publication No. CN111536128a, and therefore, the release mechanism 11 will not be described in this application.
As shown in fig. 4 to 5, in the embodiment of the present application, further, the housing 3 includes an upper housing 31, an upper container cylinder 33, and a lower container cylinder 34 that are detachably connected in sequence from top to bottom, and the inner diameters of the upper housing 31, the upper container cylinder 33, and the lower container cylinder 34 are sequentially increased; the upper shell 31 is made of transparent material, and displacement marks 311 are arranged on the outer wall of the upper shell 31 along the vertical direction.
Further, the upper vessel cylinder 33 is flange-connected to the lower vessel cylinder 34.
Specifically, the housing includes an upper housing 31, a lower housing 32, an upper vessel cylinder 33, and a lower vessel cylinder 34, when installing, the lowermost lower vessel cylinder 34 is first fixedly installed, and then the impact force sensor 4 is installed in the lower vessel cylinder 34, then the control rod drive wire 2 is placed in the lower vessel cylinder 34, and then the upper vessel cylinder 33 is installed on the lower vessel cylinder 34 through flange connection, the minimum inner diameter of the upper vessel cylinder 33 is smaller than the maximum outer diameter of the control rod assembly in the control rod drive wire 2, thereby limiting the highest position of the control rod drive wire 2 moving upward, and then the lower housing 32 is installed on the upper vessel cylinder 33, and the lower housing 32 is sleeved outside the control rod drive wire 2, and then the transparent upper housing 31 is installed on the lower housing 32, and the upper housing 31 is sleeved outside the control rod drive wire 2, wherein the end of the control rod drive wire 2 can be displayed on the displacement mark 311 outside the upper housing 31 during the entire rod dropping process, and the high-speed camera 5 determines the displacement of the control rod drive wire 2 at each shooting towards the displacement mark 311.
The lower container cylinder 34 and the upper container cylinder 33 are vertical non-pressure-bearing containers and are made of S30408, and when the flanges are connected, O-shaped sealing rings are used for sealing.
In this embodiment, the casing 3 is compact in structure, and the lower container barrel, the upper container barrel and the upper casing with different inner diameters are sequentially detachably mounted, so that the installation of the control rod drive wire to be tested is facilitated, and the process that the control rod drive wire successfully simulates rod falling under the action of gravity is ensured.
Further, the drop test device further comprises a fuel fixing barrel assembly 6, the fuel fixing barrel assembly 6 is arranged in the lower container barrel 34, and the impact force sensor 4 is installed at the center of the top of the fuel fixing barrel assembly 6.
Still further, the fuel fixing cartridge assembly 6 includes:
a vertically arranged fuel fixing cylinder 61;
a horizontally disposed lower fixing plate 62, wherein the lower fixing plate 62 is installed at the lower portion of the fuel fixing cylinder 61 and connected to the lower vessel cylinder 34;
and an upper fixing plate 63 horizontally disposed, wherein the upper fixing plate 63 is installed at an upper portion of the fuel fixing cylinder 61 and is connected to the lower vessel cylinder 34.
Still further, the rod drop test device further comprises:
a guide cylinder assembly 7 secured above the fuel fixing cylinder assembly 6 by a sleeve 8, the guide cylinder assembly 7 being located entirely within the lower vessel cylinder 34.
Specifically, the guide cylinder assembly 7 includes a vertically disposed guide groove 71 of a C-shaped configuration.
In the embodiment of the present application, the fuel fixing barrel 61 is a hollow tube which allows the control rods 233 in the control rod assembly to move up and down, and the guide grooves 71 in the guide barrel assembly 7 are in a C-shaped configuration opened toward the center thereof, and can restrict the rotation of the control rod drive wire 2 in the circumferential direction of the housing 3, so that the control rods 233 in the C-shaped configuration can just go deep into the fuel fixing barrel 61 during the dropping process. It can be seen that, in the present embodiment, by providing the fuel fixing barrel assembly 6 and the guide barrel assembly 7, the rod dropping process of the control rod drive wire 2 is simulated more accurately, so that the measurement structure is more referential.
As a preferable scheme of the embodiment of the present application, the frame body 1 is further provided with an operating platform 12, and the operating platform 12 is annularly arranged on the peripheral side of the lower container cylinder 34 and connected to the side wall of the lower container cylinder 34; and/or the rod drop test device further comprises a fixedly arranged righting support 9, the righting support 9 is provided with an opening 91 with an upward opening, and the opening 91 is used for accommodating the bottom of the shell 3.
In this embodiment, the fact that the lower vessel cylinder 34 can be vertically arranged is the key to ensure that the control rod drive line 2 normally falls, and therefore, an operation platform 12 is arranged on the side wall of the lower vessel cylinder 34 to adjust the lower vessel cylinder 34 to a vertical state, and the lower vessel cylinder 34 has an adjustment clearance with the support 9 when being in the opening 91 of the support 9. Thus, the operating platform 12, in conjunction with the side wall of the lower container cylinder 34, and the bottom centralizing support 9, can collectively determine the attitude and position of the lower container cylinder 34.
Furthermore, a water filling port 35 is formed at the bottom of the housing 3, and the water filling port 35 is used for communicating the inside and the outside of the housing 3. In this embodiment, water can be injected into the housing 3 through the water injection port 35 until the upper housing 31 overflows, and the water injection is stopped. Then, the rod drop test of the control rod drive wire 2 is started again, and the actual rod drop environment of the control rod drive wire 2 is fully simulated.
Referring to fig. 1 to 6, an embodiment of the present application further provides a rod drop test system for a control rod drive line, including:
a control rod drive line 2 to be tested;
in the rod drop test device of the control rod drive wire as described above, the control rod drive wire 2 is installed in the housing 3, and the release mechanism 11 is used for controlling the connection or disconnection of the control rod drive wire 2.
Referring to fig. 1, 3 and 6, the control rod drive line 2 includes a drive rod 21, a control rod assembly 23, and a buffer mechanism 22; the buffer mechanism 22 is a buffer spring, and is sleeved on the drive rod 21, the control rod assembly 23 comprises a connecting part 232, a planet carrier 231 and a control rod 233 which are sequentially connected from top to bottom, and the connecting part 232 is detachably and fixedly connected with the bottom end of the drive rod 21; the buffer mechanism 22 is located below the lower casing 32 under the limitation of the connection structure of the lower casing 32 and the upper vessel cylinder 33, and provides a downward elastic force for quick drop of the control rods 233; the planet carrier 231 is provided with a plurality of control rods 233 around the bottom thereof, and the middle of the bottom of the planet carrier 231 is used for impact contact with the impact force sensor 4.
The impact force sensor 4 is a force sensor, and is arranged in the middle of the upper part of the fuel fixing barrel assembly 6, specifically, a sensor mounting barrel 42 is arranged in the middle of the upper part of the fuel fixing barrel assembly 6, and then the sensor mounting barrel 42 is fixedly arranged on the fuel fixing barrel assembly 6 by using a sensor mounting plate 41, and the impact force sensor 4 is arranged in the sensor mounting barrel 42 and extends out of a part of the sensor mounting barrel 42, so that the force sensor can fully sense the impact force of the control rod assembly 23 at the final stage of falling.
Meanwhile, the specific embodiment of the drop test device in the drop test system of the control rod drive wire provided by the embodiment of the application has been described in the specific embodiment of the drop test device of the control rod drive wire, and is not repeated here.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a rod drop test device of control rod drive wire which characterized in that, the rod drop test device includes:
the top of the frame body (1) is provided with a release mechanism (11), and the release mechanism (11) is used for connecting or disconnecting the control rod drive wire (2) to be tested;
the shell (3) is arranged on the frame body (1) and is provided with an accommodating cavity for the drop motion of the control rod drive wire (2);
the impact force sensor (4) is arranged in the accommodating cavity and is used for measuring the impact force when the control rod driving wire (2) falls to the lowest position;
the high-speed camera device (5) is arranged on the frame body (1), faces the shell (3) and is used for acquiring a relation curve of displacement and time in a rod falling process of the control rod drive wire (2);
the shell (3) comprises an upper shell (31), an upper container cylinder (33) and a lower container cylinder (34) which are detachably connected from top to bottom in sequence, and the inner diameters of the upper shell (31), the upper container cylinder (33) and the lower container cylinder (34) are sequentially increased;
the upper shell (31) is made of transparent materials, and displacement marks (311) are arranged on the outer wall of the upper shell (31) along the vertical direction;
the minimum inner diameter of the upper vessel barrel (33) is smaller than the maximum outer diameter of the control rod assembly (23) in the control rod drive wire (2), thereby limiting the highest position of upward movement of the control rod drive wire (2).
2. The rod drop test apparatus of control rod drive line according to claim 1, wherein the upper vessel barrel (33) is flange-connected to the lower vessel barrel (34).
3. The rod drop test apparatus of the control rod drive line of claim 1, further comprising:
and the fuel fixing barrel assembly (6) is assembled in the lower container barrel (34), and the impact force sensor (4) is arranged at the center of the top of the fuel fixing barrel assembly (6).
4. The rod drop test apparatus of a control rod drive line as defined in claim 3, wherein the fuel quill assembly (6) comprises:
a vertically arranged fuel fixed cylinder (61);
the lower fixing plate (62) is horizontally arranged, and the lower fixing plate (62) is installed at the lower part of the fuel fixing cylinder (61) and is connected with the lower container cylinder body (34);
and the upper fixing plate (63) is horizontally arranged, and the upper fixing plate (63) is arranged at the upper part of the fuel fixing cylinder (61) and is connected with the lower container cylinder body (34).
5. The rod drop test apparatus of the control rod drive line of claim 3, further comprising:
a guide cylinder assembly (7) secured above the fuel retention cylinder assembly (6) by a sleeve (8), the guide cylinder assembly (7) being located entirely within the lower reservoir barrel (34).
6. The rod drop test apparatus of a control rod drive line as set forth in claim 5, wherein the guide cylinder assembly (7) comprises a vertically disposed guide groove (71) of a C-shaped configuration.
7. The drop test device for the control rod drive line according to claim 1, wherein the frame body (1) is further provided with an operating platform (12), and the operating platform (12) is arranged around the lower vessel cylinder (34) and connected with the side wall of the lower vessel cylinder (34); and/or the drop test device further comprises:
the righting support (9) is fixedly arranged and provided with an opening (91) with an upward opening, and the opening (91) is used for accommodating the bottom of the shell (3).
8. The rod drop test device of the control rod drive line as recited in claim 1, wherein a water injection port (35) is formed at the bottom of the housing (3), and the water injection port (35) is used for communicating the inside and the outside of the housing (3).
9. A rod drop test system of a control rod drive wire, comprising:
a control rod drive wire (2) to be tested;
the drop test apparatus of a control rod drive wire according to any one of claims 1 to 8, wherein the control rod drive wire (2) is installed in the housing (3), and the release mechanism (11) is used to control the connection or disconnection of the control rod drive wire (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916081.5A CN112164480B (en) | 2020-09-03 | 2020-09-03 | Rod drop test device and system of control rod drive wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916081.5A CN112164480B (en) | 2020-09-03 | 2020-09-03 | Rod drop test device and system of control rod drive wire |
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| CN112164480A CN112164480A (en) | 2021-01-01 |
| CN112164480B true CN112164480B (en) | 2023-03-24 |
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| CN202010916081.5A Active CN112164480B (en) | 2020-09-03 | 2020-09-03 | Rod drop test device and system of control rod drive wire |
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| WO2013023437A1 (en) * | 2011-08-18 | 2013-02-21 | 国核自仪系统工程有限公司 | Nuclear power station rod position detection system and free rod dropping time testing method thereof |
| CN104332195A (en) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | Method for measuring reactor control rod drop time |
| CN106373624A (en) * | 2016-10-20 | 2017-02-01 | 中核核电运行管理有限公司 | Automatic judgment method of control rod insertion starting point in dynamic rod worth measurement test |
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| JPH0511093A (en) * | 1991-07-08 | 1993-01-19 | Toshiba Corp | Control rod drive mechanism testing device |
| US7340387B2 (en) * | 2003-06-26 | 2008-03-04 | Doosan Heavy Industries & Construction Co., Ltd. | Control rod driving simulator for verification of control rod driving mechanism control system of atomic power plant |
| KR100914437B1 (en) * | 2009-06-25 | 2009-08-27 | 주식회사 리얼게인 | Control element drive mechanism simulator |
| CN103500524B (en) * | 2013-09-29 | 2016-01-06 | 中广核工程有限公司 | Nuclear power plant's Control rod drive line line cold test device and test method |
| CN104931181B (en) * | 2015-06-18 | 2017-10-03 | 中国核动力研究设计院 | A kind of measurement apparatus for being used to measure Dropping of control rod impulsive force |
| CN107644688A (en) * | 2017-09-20 | 2018-01-30 | 中国核动力研究设计院 | A kind of C＆P systems and guidance set structure suitable for supercritical reactor |
| CN211234787U (en) * | 2020-02-21 | 2020-08-11 | 中机中联工程有限公司 | Nuclear fuel assembly pulling and inserting force detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013023437A1 (en) * | 2011-08-18 | 2013-02-21 | 国核自仪系统工程有限公司 | Nuclear power station rod position detection system and free rod dropping time testing method thereof |
| CN104332195A (en) * | 2013-07-22 | 2015-02-04 | 中国核动力研究设计院 | Method for measuring reactor control rod drop time |
| CN106373624A (en) * | 2016-10-20 | 2017-02-01 | 中核核电运行管理有限公司 | Automatic judgment method of control rod insertion starting point in dynamic rod worth measurement test |
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