CN114141393B - Device for cleaning fuel rod cladding tube for manipulator operation in hot room - Google Patents
Device for cleaning fuel rod cladding tube for manipulator operation in hot room Download PDFInfo
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- CN114141393B CN114141393B CN202111429459.XA CN202111429459A CN114141393B CN 114141393 B CN114141393 B CN 114141393B CN 202111429459 A CN202111429459 A CN 202111429459A CN 114141393 B CN114141393 B CN 114141393B
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- Prior art keywords
- cladding tube
- support
- rod
- fuel rod
- manipulator
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- 238000005253 cladding Methods 0.000 title claims abstract description 117
- 238000004140 cleaning Methods 0.000 title claims abstract description 53
- 239000000446 fuel Substances 0.000 title claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010763 heavy fuel oil Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002901 radioactive waste Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004063 acid-resistant material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning In General (AREA)
Abstract
The embodiment of the invention discloses a device for cleaning a fuel rod cladding tube for manipulator operation in a hot room, which comprises the following components: a bottom support part; and a plurality of support rods extending upward from the base portion for the fuel rod cladding tube to be sleeved thereon; the plurality of support rods comprise a first support rod higher than other support rods and are used for clamping the indoor heating manipulator. The technical scheme of this application has reduced the damage of hot laboratory interior manipulator to the fuel rod cladding tube owing to set up the first bracing piece of the indoor manipulator centre gripping of heat supply.
Description
Technical Field
The invention relates to the technical field of nuclear fuel, in particular to a device for cleaning a fuel rod cladding tube for manipulator operation in a hot room.
Background
The fuel targets commonly found today are typically rod-like structures. During assembly, the fuel pellets are inserted into the cladding tube and sealed by welding the upper and lower end plugs, respectively, with the cladding tube. After irradiation of the fuel target, the cladding tube needs to be separated from the fuel pellet in order to test the mechanical properties, microcosmic properties, etc. of the cladding tube.
The cladding tube is typically separated from the fuel pellet by drilling. In order to avoid damage to the inner wall of the cladding tube in the drilling process, the diameter of the drill bit for drilling is smaller than the inner diameter of the cladding tube. After drilling is completed, part of the fuel pellets will remain on the inner wall of the cladding tube. The residual fuel pellets are radioactive and need to be removed in a hot chamber by acid dip cleaning.
Disclosure of Invention
The embodiment of the invention provides a device for cleaning a fuel rod cladding tube for manipulator operation in a hot room, which comprises the following components:
a bottom support part; and
a plurality of support rods extending upwards from the base portion for the fuel rod cladding tube to be sleeved thereon;
the plurality of support rods comprise a first support rod higher than other support rods and are used for clamping the indoor heating manipulator.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, which provide a thorough understanding of the present invention.
FIG. 1 is a schematic structural view of a cleaning apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a fuel rod cladding being sleeved on a support rod of the purging device of FIG. 1;
FIG. 3 is a schematic block diagram of the entire support rod of the purging device of FIG. 1 sleeved with a fuel rod cladding;
FIG. 4 is a schematic structural view of a cleaning device according to another embodiment of the present invention;
FIG. 5 is a schematic block diagram of a support bar according to one embodiment of the present invention; and
fig. 6 is a schematic structural view of a support bar according to another embodiment of the present invention.
In the accompanying drawings:
10. a cleaning device; 11. a support rod; 1101. a boss; 1102. a spring plate; 111. a first support bar; 1111. a clamping fit; 112. a second support bar; 12. a bottom support part; 20. a cladding tube.
It should be noted that the figures are not drawn to scale and that elements of similar structures or functions are generally represented by like reference numerals throughout the figures for illustrative purposes. It should also be noted that the drawings are only for the purpose of describing the preferred embodiments and are not intended to limit the invention itself. The drawings do not illustrate every aspect of the described embodiments and do not limit the scope of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are one embodiment, but not all embodiments, of the present invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The fuel rod cladding tube sample is typically a cylindrical metal tube of no more than 10mm diameter and no more than 0.7mm wall thickness.
In the related art, a mechanical arm is used to directly operate the cladding tube in a hot chamber. For example, the cladding tube is placed into a cleaning tank containing acid solution by a manipulator, the cladding tube is taken out by the manipulator during the cleaning process for operators to observe whether the inner wall of the cladding tube is cleaned by a camera, and the cladding tube is taken out by the manipulator after the cleaning is completed. Because the manipulator clamps the cladding tube for a plurality of times, the sample of the cladding tube is easy to damage, and the experimental result of the cladding tube is further affected.
Further, after being placed in the wash tank, the cladding tube may or may not fall down so that its axis extends in the horizontal direction, or so that its axis extends in the vertical direction. The robot is required to align the cladding tube over the wash tank and then clamp the cladding tube out. Due to the limitation of the sensitivity of the manipulator, the manipulator has operation difficulty when taking out the cladding tube in the cleaning tank, the cleaning time is prolonged, and the sample of the cladding tube is more easily damaged.
In addition, radioactive waste liquid is generated when the cladding tube is washed by soaking with an acid solution. In order to control the amount of radioactive waste liquid generated during the tube washing phase, it is necessary to wash a batch of tubes simultaneously as much as possible. In hot cells, it is difficult to identify and distinguish each cladding tube, and therefore there is a risk of confusion for a plurality of cladding tubes that are cleaned in batches.
Based on the technical problems, the application provides a device for cleaning a fuel rod cladding tube for operation of a manipulator in a hot room.
Fig. 1 is a schematic configuration view of a cleaning apparatus according to an embodiment of the present invention. Referring to fig. 1, a fuel rod cladding tube cleaning apparatus 10 for hot room robot operation may include a base 12 and a plurality of support rods 11.
A plurality of support bars 11 extend upwardly from the base 12. The plurality of support rods 11 may be integrally formed with the shoe 12, or may be fixed to the shoe 12 by welding. The number of the support bars 11 may be 2, 3, 4, 5 or 6 or more.
The support rod 11 is provided for the fuel rod cladding to be sleeved thereon.
Referring to fig. 2, in use, the cladding tube 20 may be fitted over the support rod 11 using a robot (not shown).
The plurality of support bars 11 includes a first support bar 111 higher than the other support bars 11 for clamping by a robot in a heating room. For convenience of distinction, the other support bars 11 may be referred to as a second support bar 112. It is easy to understand that the support rod 11 mentioned below includes both the first support rod 111 and the second support rod 112.
Since the first support bar 111 is higher than the second support bar 112, the clamping operation by the robot is facilitated in the hot chamber. Further, since the first support bar 111 is different in height from the other second support bars 112, the first support bar 111 can be used as a reference position for the sequence number of each support bar 11 in the cleaning apparatus 10. The corresponding sample number of each cladding tube 20 and the corresponding relation of each support rod 11 can be recorded by the operator, thereby greatly reducing the risk of confusion of each cladding tube 20.
Fig. 3 is a schematic structural view of the entire support rod 11 of the cleaning device 10 shown in fig. 1, which is sleeved with the cladding tube 20. Referring to fig. 3, each support rod 11 is sleeved with a cladding tube 20.
After each cladding tube 20 is sleeved on the supporting rod 11 by using a manipulator, the first supporting rod 111 is clamped by using the manipulator, and the cleaning device 10 with the cladding tube 20 samples is integrally moved into the cleaning tank, so that all the cladding tubes 20 are soaked in the cleaning liquid, and batch cleaning of the cladding tube 20 samples is realized.
When it is required to check whether the cladding tube 20 is cleaned, the first support rod 111 can be clamped by a manipulator, and the cleaning device 10 is integrally lifted out of the cleaning tank, so that an operator can check the cleaning device through the camera.
Because the manipulator is used for clamping only when the cladding tube 20 is sleeved on the supporting rod 11 in the whole cleaning process, the number of direct operations of the manipulator on the cladding tube 20 can be reduced, and the damage to the cladding tube 20 is avoided.
The cleaning device 10 of the embodiment of the present application is advantageous for cleaning the cladding tube 20 in large quantities while avoiding confusion of the cladding tube 20; on the one hand, the number of direct operations on the cladding tube 20 can be reduced, avoiding damaging the cladding tube 20. The present application improves the cleaning efficiency of the sample of cladding tube 20 in the hot chamber and reduces the risk of handling.
The robot may always grip the first support bar 111 during the cleaning process. Alternatively, the robot may be separated from the first support bar 111 after the cleaning device 10 is placed in the cleaning tank. Since the first support bar 111 extends substantially upward in the axial direction when it is positioned in the cleaning tank, the first support bar 111 is advantageously positioned and held by the robot.
The height of the first support bar 111 may be greater than the depth of the cleaning tank. Thus, when the cleaning device 10 is placed in the cleaning tank, the upper pipe section of the second support bar 112 is exposed to the cleaning tank, thereby facilitating gripping thereof by the robot.
In this embodiment of the present application, because the manipulator conveniently clamps the first support rod 111, so the manipulator is utilized to clamp the first support rod 111 in the cleaning process, all cladding tubes 20 are integrally lifted out from the cleaning tank, so that the states of all cladding tubes 20 are conveniently observed simultaneously, and thus the batch cleaning operation efficiency of samples of the cladding tubes 20 in the hot chamber is integrally improved.
In addition, if the cleaning solution needs to be replaced during the cleaning process, the first supporting rod 111 can be clamped by a mechanical arm, so that all the cladding tubes 20 can be lifted out of the cleaning tank integrally, which is very convenient.
After the sample of the cladding tube 20 is cleaned, the cleaning device 10 is moved to the ground of the hot chamber by a manipulator, and the sample of the cladding tube 20 is clamped by the manipulator and taken down.
The support bar 11 may be perpendicular to the shoe 12. The shoe 12 may extend along a horizontal plane and the support bar 11 extends vertically upwards.
The shoe 12 may be a circular ring. All support rods 11 are equally spaced around the circumference of the ring. Alternatively, the shoe 12 may be a rectangular ring, or an annular structure of other geometric shapes, or the like. All support bars 11 are distributed at intervals on the ring structure.
Of course, the inside of the ring structure may be connected by some connecting rods, so that strength is increased on the one hand, and the supporting rods 11 may be added on the connecting rods on the other hand. Alternatively, the shoe portion 12 may have a plate-like structure such as a circular plate or a rectangular plate. The support bars 11 are distributed at intervals over the plate-like structure.
The diameters of all the support rods 11 may be identical. Of course, in some embodiments, the diameter of the first support rod 111 may also be different from the diameter of the second support rod 112. For example, the diameter of the first support rod 111 may be larger than the diameter of the second support rod 112, thereby facilitating the clamping of the first support rod 111 by the robot.
Referring to fig. 4, the first support bar 111 is provided with a grip engagement portion 1111 engaged with the robot. The clamping engagement 1111 engages the manipulator to prevent the manipulator from slipping down the first support bar 111 when clamping the first support bar 111, allowing the entire cleaning apparatus 10 and all cladding tubes 20 to fall on the surface of the hot chamber.
In the embodiment shown in fig. 4, the clamp fitting 1111 is a groove recessed inward from the circumferential surface (non-upper end surface) on diametrically opposite sides of the first support rod 111, respectively. In other embodiments, the clamp fitting 1111 may also be a groove recessed inward at the circumferential surface of the first support rod 111.
The clamp fitting 1111 is provided at a portion of the first support rod 111 higher than the second support rod 112. Thus, the second support bar 112 does not affect the clamping operation of the first support bar 111 by the robot.
Further, a grip fitting 1111 may be provided at an upper portion of the first support bar 111.
In some embodiments, the length of the first support bar 111 may be more than 2 times the length of the second support bar 112. For example, the length of the first support bar 111 may be 3 times the length of the second support bar 112. The grip fitting 1111 may be provided at the upper third pipe section of the first support rod 111.
The height of the second support rod 112 may be greater than the height of the cladding tube 20. Thus, the shedding of the cladding tube 20 from the second support rod 112 is avoided as much as possible.
Since the cladding tube 20 is immersed and washed with an acid solution, the washing device 10 needs to be made of an acid-resistant material. The cleaning device 10 needs to be made of a radiation resistant material due to the radioactive material inside the cladding tube 20. In the present embodiment, the cleaning device 10 is made of stainless steel, particularly nuclear or acid resistant stainless steel.
It will be readily appreciated that in the present embodiment the diameter of the support rod 11 is smaller than the inner diameter of the cladding tube 20. For ease of handling by the robot, the diameter of the support rod 11 is smaller than the inner radius of the cladding tube 20, whereby the difficulty of the robot to align the cladding tube 20 with the support rod 11 can be reduced.
In some embodiments, the support rod 11 may be circular in cross section, the circumferential surface of the support rod 11 being as smooth as possible to avoid scratching the cladding tube 20. In an alternative embodiment, the cross section of the support rod 11 may be circular rectangular, and the circumferential surface of the support rod 11 is disposed as smooth as possible.
In some embodiments, the spacing between the two support rods 11 is greater than the outer diameter of the cladding tube 20. The distance between the two support rods 11 refers to the distance between two closest points on the circumferential surfaces of the two support rods 11. By this arrangement, no collision between adjacent cladding tubes 20 is transmitted to avoid damage to each other, as shown in fig. 3.
When the sample of the washing apparatus 10 with the cladding tube 20 is moved entirely into the washing tank for washing, a part of the inner wall of the cladding tube 20 may be closely attached to the support rod 11, and it is difficult to wash the cladding tube 20 cleanly even if ultrasonic washing is performed in the washing tank using ultrasonic waves.
Referring to fig. 5, in some embodiments, the support bar 11 is provided with a plurality of bosses 1101, and the plurality of bosses 1101 are spaced apart along the circumferential direction of the support bar 11. When the cladding tube 20 is sleeved on the support rod 11, the at least one boss 1101 is in contact with the inner wall of the cladding tube 20 to reduce the contact area of the cladding tube 20 with the support rod 11.
The number of the protrusions 1101 may be 2, 3, 4, or 5 or more. These protrusions 1101 may be equally spaced along the circumferential direction of the support rod 11. Alternatively, these protrusions 1101 may be spirally distributed along the circumferential direction of the support rod 11.
It is easy to understand that there may be one boss 1101 of the plurality of bosses 1101 in contact with the inner wall of the cladding tube 20, and that there may be more than two bosses 1101 in contact with the inner wall of the cladding tube 20.
In the embodiment where the supporting rod 11 is provided with the protruding portion 1101, the contact area between the protruding portion 1101 and the inner wall of the cladding tube 20 is smaller, and when the supporting rod 11 and the protruding portion 1101 vibrate during cleaning in the cleaning tank by using ultrasonic waves, the contact point between the supporting rod 11 and the protruding portion 1101 changes, so that residual fuel core material on the inner wall of the cladding tube 20 is avoided.
The boss 1101 may extend obliquely downward from the circumferential surface of the support rod 11 to facilitate the sheathing of the cladding tube 20 into the support rod 11 from top to bottom under the grip of a robot.
The radially outer end of the boss 1101 may be provided as a rounded head, thereby avoiding damage to the inner wall of the cladding tube 20.
In some cases it may be required that the cladding tube 20 remains stationary relative to the support rod 11. For example, the inner wall of the cladding tube 20 is thin, or the cladding tube 20 is made of a soft material (such as aluminum), and at this time, when the cladding tube 20 is immersed in the cleaning tank and cleaned by ultrasonic waves, the relative movement between the bottom periphery of the cladding tube 20 and the bottom support 12 causes deformation of the bottom periphery of the cladding tube 20, which affects the subsequent test of the cladding tube 20.
Referring to fig. 6, in some embodiments, the support rod 11 is provided with at least one resilient portion that provides a radial resilient force to the inner wall of the cladding tube 20 when the cladding tube 20 is sleeved on the support rod 11, so that the cladding tube 20 remains stationary relative to the support rod 11. Since the cladding tube 20 remains stationary relative to the support rod 11, the cladding tube 20 remains relatively stationary relative to the collet 12, thereby reducing the probability of deformation of the bottom circumference of the cladding tube 20.
In some embodiments, the radial elastic force provided by the elastic portion to the inner wall of the cladding tube 20 may suspend the bottom end of the cladding tube 20, i.e. the elastic portion supports the cladding tube 20 by means of the radial elastic force. Thus, the bottom end of the cladding tube 20 is not in direct contact with the collet 12, and deformation of the bottom circumference of the cladding tube 20 is avoided.
The support bar 11 may be provided with an elastic portion. The support bar may also be provided with a plurality of elastic portions. The number of the elastic parts may be 2, 3, 4 or 5 or more. These elastic portions may be spaced apart in the circumferential direction of the support rod 11. Alternatively, these elastic portions may be spaced apart in the axial direction of the support rod 11. Alternatively, the elastic portions may be spaced apart in both the axial direction and the circumferential direction of the support rod 11.
Referring to fig. 6, the elastic portion in the drawing is a spring piece 1102, and 2 spring pieces 1102 are axially symmetrically disposed on the supporting rod 11. In other embodiments not shown, the resilient portion may be of other conventional construction.
It should also be noted that, in the embodiments of the present invention, the features of the embodiments of the present invention and the features of the embodiments of the present invention may be combined with each other to obtain new embodiments without conflict.
The present invention is not limited to the above embodiments, but the scope of the invention is defined by the claims.
Claims (10)
1. A device for cleaning a fuel rod cladding tube for hot room manipulator operation, comprising:
a bottom support part; and
a plurality of support rods extending upwards from the base portion for the fuel rod cladding tube to be sleeved thereon;
the plurality of support rods comprise a first support rod higher than other support rods and are used for clamping the heating indoor mechanical arm;
the first support rod is provided with a clamping matching part matched with the manipulator;
the clamping matching part is arranged on a part of the rod section of the first support rod, which is higher than other support rods;
the height of the supporting rod is larger than that of the fuel rod cladding tube;
the support rod is provided with a plurality of protruding parts which are distributed at intervals along the circumferential direction of the support rod;
when the fuel rod cladding tube is sleeved on the supporting rod, at least one protruding part is in contact with the inner wall of the fuel rod cladding tube so as to reduce the contact area between the fuel rod cladding tube and the supporting rod;
the protruding part extends downwards obliquely from the circumferential surface of the supporting rod so as to facilitate the cladding tube to be sleeved into the supporting rod from top to bottom under the clamping of a manipulator;
the radially outer end of the boss is provided as a rounded head.
2. The device of claim 1, wherein the device is made of stainless steel.
3. The device according to claim 1, wherein the support rod is provided with at least one resilient portion providing a radial resilient force to the inner wall of the fuel rod cladding when the fuel rod cladding is sleeved on the support rod, so as to keep the fuel rod cladding stationary relative to the support rod.
4. A device according to claim 3, wherein the resilient portion is a spring.
5. A device according to claim 3, wherein the support bar is provided with a plurality of resilient portions spaced apart along the circumference of the support bar.
6. The apparatus of claim 1, wherein the diameter of the support rod is smaller than the inner radius of the fuel rod cladding.
7. The apparatus of claim 1 wherein the spacing between two of the support rods is greater than the outer diameter of the fuel rod cladding.
8. The device of claim 1, wherein the plurality of support rods are the same diameter.
9. The apparatus of claim 1, wherein the support bar is perpendicular to the shoe portion.
10. The apparatus of claim 1, wherein the fuel rod cladding tube is placed in a wash tank for a soak wash,
the height of the first supporting rod is greater than the depth of the cleaning tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429459.XA CN114141393B (en) | 2021-11-29 | 2021-11-29 | Device for cleaning fuel rod cladding tube for manipulator operation in hot room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429459.XA CN114141393B (en) | 2021-11-29 | 2021-11-29 | Device for cleaning fuel rod cladding tube for manipulator operation in hot room |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114141393A CN114141393A (en) | 2022-03-04 |
| CN114141393B true CN114141393B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111429459.XA Active CN114141393B (en) | 2021-11-29 | 2021-11-29 | Device for cleaning fuel rod cladding tube for manipulator operation in hot room |
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| CN (1) | CN114141393B (en) |
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| CN114141393A (en) | 2022-03-04 |
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