CN216980128U - Installation operation simulation device for fuel assembly guiding tool of pressurized water reactor nuclear power unit - Google Patents
Installation operation simulation device for fuel assembly guiding tool of pressurized water reactor nuclear power unit Download PDFInfo
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- CN216980128U CN216980128U CN202220379490.0U CN202220379490U CN216980128U CN 216980128 U CN216980128 U CN 216980128U CN 202220379490 U CN202220379490 U CN 202220379490U CN 216980128 U CN216980128 U CN 216980128U
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Abstract
The utility model provides a pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device which comprises a lower reactor core plate simulation body, a fuel assembly simulation body, a fuel guiding tool simulation body and a hoisting device, wherein the lower reactor core plate simulation body is provided with a plurality of fuel guiding holes; the lower reactor core plate simulator comprises a reactor core plate body, wherein at least one drain hole and at least one mounting hole are formed in the reactor core plate body, the drain hole is used for being detachably connected with the fuel guiding tool simulator, and the fuel assembly simulator is detachably connected with the mounting hole through a mounting positioning pin; the lifting device is used for detachably mounting the fuel guiding tool simulation body on the water flowing hole. According to the utility model, the fuel assembly simulator is detachably mounted on the mounting positioning pin by using the lifting handle, and the fuel guide tool simulator is detachably mounted on the drain hole of the reactor core plate body by using the lifting device, so that the operation of the fuel guide tool under different working conditions is realized, the proficiency of operators is improved, and the fuel guide tool simulator has the advantages of economy, safety, stability and reliability.
Description
Technical Field
The utility model belongs to the technical field of a guiding device of a fuel assembly of a pressurized water reactor nuclear power unit, and relates to an installation operation simulation device of a guiding tool of the fuel assembly of the pressurized water reactor nuclear power unit.
Background
The clearance between the fuel assemblies in the reactor core of the pressurized water reactor nuclear power unit is only several millimeters, and the fuel assemblies are deformed in various forms after being combusted in the reactor core, so that the difficulty in safely positioning the assemblies is increased, and the fuel assemblies can be damaged by carelessness slightly to cause serious consequences. During the loading process, a fuel guide tool is used in order to smoothly load the deformed fuel assemblies into the core. When the device is operated, an operator stands on an operating platform above a reactor core, the fuel guide tool is accurately placed in the water flow hole of the lower reactor core plate about 20m underwater, fuel assemblies are arranged nearby the placement position of the device, the device cannot touch the fuel assemblies when the fuel guide tool moves, the hand feeling requirement on the operator is extremely strict, the centering is accurate, and the device is stable and does not shake. In addition, if the fuel guiding tool is left for a long time, it will take time to overhaul the main line of core loading.
However, at present, there is no simulator capable of completely simulating a field core loading environment to operate the fuel guiding tool, and the fuel guiding tool operator only needs to temporarily and randomly find some obstacles to move the fuel guiding tool according to the air imagination, and cannot achieve the purpose of improving the hand feeling through practice, so that great challenges are brought to nuclear safety during overhaul, and if the operator makes mistakes in the operation process, fuel assembly damage can be caused, and serious consequences are brought.
CN105280254A discloses a device for handling nuclear fuel assemblies, which is arranged on an installation foundation pit and comprises a flange, a guide column, a lower reactor core component simulator, a lower reactor core plate simulator, first to third embedded parts and a support. The first embedded part is embedded at the upper end of the installation foundation pit, the second embedded part is embedded at the lower end of the installation foundation pit, at least three second embedded parts are distributed along the circumferential direction of the installation foundation pit, the third embedded part is embedded below the installation foundation pit, the flange is installed on the first embedded part, the lower reactor core plate simulator is installed on the third embedded part, the upper end of the lower reactor internals simulator is connected with the flange, the lower end of the lower reactor internals simulator is connected with the support, the lower reactor core plate simulator can be used for simulating the visual environment of a reactor pressure vessel of a pressurized water reactor nuclear power station during the loading and unloading operation, and can provide accurate positioning support and simulation environment for a nuclear fuel assembly.
CN202736506U discloses a hoisting tool for reactor internals. The lifting ring is respectively connected with connecting flanges on the walls of three movable support guide cylinders in the vertical direction through three connecting rods uniformly distributed at the lower end, a hollow movable support guide rod penetrates through each movable support guide cylinder, and the upper end of each movable support guide rod is positioned outside the movable support guide cylinder; the operating rod consists of an external sleeve and an internal core rod, the upper end part of each movable support guide rod is connected with one operating rod external sleeve, and the internal core rod of the operating rod penetrates through the movable support guide rods to be connected with the petal-shaped in-pile component hoisting head; the movable support is arranged on the three movable support guide cylinders, and the six groups of reactor core measuring assembly grippers are arranged on the lower part of the movable support. The utility model discloses a through cylinder control reactor core measuring unit gripping apparatus snatch or release reactor core measuring unit, control the interior component hoist and mount head through the action bars and snatch or release the interior component.
Therefore, how to provide a simulation device for mounting and operating a fuel assembly in a core of a pressurized water reactor nuclear power unit, which reduces mounting errors in the operation process and improves mounting efficiency becomes a technical problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the installation operation simulation device for the fuel assembly guiding tool of the pressurized water reactor nuclear power unit.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a mounting operation simulation device for a fuel assembly guiding tool of a pressurized water reactor nuclear power unit, which comprises a lower reactor core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a lifting device, wherein the lower reactor core plate simulator is arranged on the lower reactor core plate; the lower reactor core plate simulator comprises a reactor core plate body, wherein at least one water flowing hole and at least one mounting hole are formed in the reactor core plate body, the water flowing hole is used for being detachably connected with the fuel guide tool simulator, a mounting positioning pin is arranged on the mounting hole, and the fuel assembly simulator is detachably connected to the mounting hole through the mounting positioning pin; the lifting device is used for detachably mounting the fuel guiding tool simulation body on the water flowing hole.
The utility model comprises a lower reactor core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a lifting device, wherein an operator utilizes the lifting device to install the fuel guiding tool simulator on a water flowing hole of the lower reactor core plate simulator, utilizes a handle on the fuel assembly simulator to install the fuel assembly simulator on an installation positioning pin of the lower reactor core plate simulator, and the fuel assembly simulator and the fuel guiding tool simulator are detachably and flexibly arranged, so that the field reactor core loading environment can be simulated, the operation of the fuel guiding tool under various working conditions can be realized, the proficiency of operators can be improved, the nuclear safety during overhaul can be ensured, the overhaul main line time of a pressurized water reactor nuclear power unit can be saved, and the utility model has economy, safety, stability and reliability.
It should be noted that the number of the fuel assembly simulator and the fuel guiding tool simulator in the utility model is not specifically required or limited, and those skilled in the art can reasonably set the number according to the simulation requirements and reasonably arrange the positions and the numbers of the fuel assembly simulator and the fuel guiding tool simulator according to the field installation condition.
As a preferred technical solution of the present invention, the mounting positioning pin is divided into an insertion section and a positioning section along a length direction, the insertion section of the mounting positioning pin has the same diameter as the mounting hole and is inserted into the mounting hole, and the positioning section is used for inserting the fuel assembly analogue.
As a preferred technical solution of the present invention, the diameter of the insertion section of the mounting positioning pin is smaller than the diameter of the positioning section.
As a preferred technical solution of the present invention, the water flow holes are arranged in a matrix on the core plate body, and the mounting holes are disposed between the water flow holes.
As a preferred technical solution of the present invention, the fuel assembly simulation body includes a lower tube seat, a surrounding plate is disposed on an upper surface of the lower tube seat along an edge, a top plate is covered on a top of the surrounding plate, the lower tube seat, the surrounding plate, and the top plate form the fuel assembly simulation body having a box structure, and a handle is disposed on the top plate.
As a preferred technical solution of the present invention, the lower tube seat is provided with at least one positioning hole, and the positioning hole is used for inserting the positioning section of the mounting positioning pin.
As a preferred technical scheme of the utility model, the fuel guiding tool simulator comprises a connecting body, wherein guiding positioning pins are arranged at the bottoms of two ends of the connecting body, the guiding positioning pins are used for being inserted into drain holes, and cushion blocks are arranged at the bottom of the connecting body and positioned between the guiding positioning pins.
The top of connector is provided with at least one lug, hoist and mount ware passes through the lug and can dismantle with fuel direction instrument analog body and be connected, hoist and mount ware is nylon rope or wire rope.
As a preferred technical solution of the present invention, the connecting body has an L-shaped profile, and the cushion block is disposed at a corner of the L-shaped connecting body of the connecting body.
The connector comprises a bottom plate and a side plate arranged on the bottom plate, and the side plate and the bottom plate are spliced to form the connector of a body-shaped structure.
As a preferred technical scheme of the utility model, the pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device further comprises a moving cart, wherein the moving cart comprises a frame, a carriage is arranged on the frame, at least two supporting plates are arranged on the inner wall of the carriage, and the supporting plates are used for supporting and suspending the reactor core plate simulator.
By arranging the movable cart, the lower reactor core plate simulator, the fuel assembly simulator, the fuel guide tool simulator and the like can be moved, so that the practical training and practice of different personnel in different plants are realized.
As a preferred technical scheme of the utility model, the pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device further comprises a touch alarm, the touch alarm is respectively and independently electrically connected with the fuel assembly simulator and the fuel guiding tool simulator, the fuel assembly simulator is in contact with the fuel guiding tool simulator, and the touch alarm gives an alarm.
In one embodiment of the utility model, the positioning sensor is arranged on the mounting positioning pin and the guide positioning pin and used for detecting the mounting condition of the mounting positioning pin and the guide positioning pin, automatically detecting whether the fuel assembly simulator and the fuel guide tool simulator are correctly and firmly mounted or not, and improving the automation of the simulator.
Exemplarily, a simulation training method for core installation by using the installation operation simulation device for the fuel assembly guidance tool of the pressurized water reactor nuclear power generating unit is provided, and the simulation training method specifically comprises the following steps:
according to the simulation requirements, mounting a mounting positioning pin on a mounting hole of a reactor core plate body, and mounting the reactor core plate body with the mounting positioning pin on a supporting plate of the mobile cart for suspension;
carrying the fuel assembly simulator by hand, installing the positioning holes on the lower pipe seat and the installation positioning pins in a matching manner, and respectively installing the fuel assembly simulator on the reactor core plate body according to the positions and the number of the installation positioning pins to finish simulating the required fuel assembly arrangement condition;
connecting a nylon rope or a steel wire rope with enough length on a lifting lug of the fuel guiding tool simulator by using a lifting device, and controlling the lifting device by an operator at an operation position to install the fuel guiding tool simulator on the reactor core plate body so that the guiding positioning pin is installed with the drain hole in a matched manner;
if the fuel assembly simulation body contacts with the fuel guiding tool simulation body in the installation process, the touch alarm gives an alarm.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model comprises a lower reactor core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a lifting device, wherein an operator utilizes the lifting device to install the fuel guiding tool simulator on a water flowing hole of the lower reactor core plate simulator, utilizes a handle on the fuel assembly simulator to install the fuel assembly simulator on an installation positioning pin of the lower reactor core plate simulator, and the fuel assembly simulator and the fuel guiding tool simulator are detachably and flexibly arranged, so that the field reactor core loading environment can be simulated, the operation of the fuel guiding tool under various working conditions can be realized, the proficiency of operators can be improved, the nuclear safety during overhaul can be ensured, the overhaul main line time of a pressurized water reactor nuclear power unit can be saved, and the utility model has economy, safety, stability and reliability.
Drawings
FIG. 1 is a schematic illustration of a core plate according to one embodiment of the present invention;
FIG. 2 is a schematic diagram of a mounting pin according to one embodiment of the present invention;
FIG. 3 is a schematic diagram of a fuel assembly simulator provided in an embodiment of the present invention;
FIG. 4 is a schematic block diagram of a fuel-directing tool simulation provided in accordance with an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mobile cart according to an embodiment of the present invention.
Wherein, 1-core plate body; 2-water holes; 3-mounting holes; 4, installing a positioning pin; 5-a lower tube seat; 6-enclosing plates; 7-a top plate; 8-a handle; 9-positioning holes; 10-a base plate; 11-side plate; 12-a guide positioning pin; 13-cushion block; 14-a lifting lug; 15-a frame; 16-a support plate; 17-a carriage; 18-a universal wheel; 19-pushing hands.
Detailed Description
It is to be understood that in the description of the present invention, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; 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 invention can be understood by those of ordinary skill in the art through specific situations.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
In one embodiment, as shown in fig. 1, 2, 3 and 4, the present invention provides a pressurized water reactor nuclear power plant fuel assembly guiding tool installation operation simulation apparatus, which includes a lower core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a crane; the lower reactor core plate simulator comprises a reactor core plate body 1, wherein at least one water flowing hole 2 and at least one mounting hole 3 are formed in the reactor core plate body, the water flowing hole 2 is used for being detachably connected with the fuel guide tool simulator, a mounting positioning pin 4 is arranged on the mounting hole 3, and the mounting positioning pin 4 is used for being detachably connected with the fuel assembly simulator; the lifting device is used for detachably mounting the fuel guiding tool simulator on the water flowing hole 2.
Optionally, the positions and the number of the fuel assembly simulating bodies and the fuel guiding tool simulating bodies are reasonably arranged according to field installation conditions.
Specifically, as shown in fig. 2 again, the mounting positioning pin 4 is divided into an insertion section and a positioning section along the length direction, the insertion section of the mounting positioning pin 4 has the same diameter as the mounting hole 3 and is inserted into the mounting hole 3, and the positioning section is used for inserting the fuel assembly analogue. Further, the diameter of the insertion section of the mounting positioning pin 4 is smaller than that of the positioning section.
Specifically, as shown in fig. 1, the water flow holes 2 are arranged in a matrix on the core plate body 1, and the mounting holes 3 are disposed between the water flow holes 2.
Specifically, as shown in fig. 3, the fuel assembly simulation body includes a bottom pipe seat 5, a surrounding plate 6 is arranged on the upper surface of the bottom pipe seat 5 along the edge, a top plate 7 is covered on the top of the surrounding plate 6, the bottom pipe seat 5, the surrounding plate 6 and the top plate 7 form a fuel assembly simulation body with a box structure, and a handle 8 is arranged on the top plate 7. Further, the lower tube seat 5 is provided with at least one positioning hole 9, and the positioning hole 9 is used for inserting a positioning section of the mounting positioning pin 4.
Specifically, the fuel guiding tool simulation body comprises a connecting body, wherein guiding positioning pins 12 are arranged at the bottoms of two ends of the connecting body, the guiding positioning pins 12 are used for being inserted into the drain holes 2, cushion blocks 13 are arranged at the bottom of the connecting body, and the cushion blocks 13 are positioned between the guiding positioning pins 12; the top of connector is provided with at least one lug 14, hoist and mount ware passes through lug 14 and can dismantle with fuel direction instrument analog body and be connected, hoist and mount ware is nylon rope or wire rope. Further, as shown in fig. 4, the connecting body is L-shaped, and the cushion block 13 is disposed at a corner of the L-shaped connecting body of the connecting body; the connecting body comprises a bottom plate 10 and a side plate 11 arranged on the bottom plate 10, and the side plate 11 and the bottom plate 10 are spliced to form the connecting body with a body-shaped structure.
Specifically, as shown in fig. 5, the installation operation simulation device for the pressurized water reactor nuclear power generating unit fuel assembly guiding tool further includes a moving cart, the moving cart includes a frame 15, a carriage 17 is disposed on the frame 15, the height of the carriage 17 is greater than or equal to the height of the fuel assembly simulator, the moving cart is used for simulating a reactor core shroud, at least two supporting plates 16 are disposed on the inner wall of the carriage 17, the supporting plates 16 are used for supporting and suspending the reactor core plate simulator, optionally, universal wheels 18 are disposed at the bottom of the frame 15, and a pushing handle 19 is disposed on the frame 15.
By arranging the movable cart, the lower reactor core plate simulator, the fuel assembly simulator, the fuel guide tool simulator and the like can be moved, so that the practical training and practice of different personnel in different plants are realized.
Specifically, pressurized water reactor nuclear power unit fuel assembly direction instrument installation operation analogue means still includes the touch alarm ware, the independent electric connection respectively of touch alarm ware the fuel assembly analog body and the fuel direction instrument analog body, the fuel assembly analog body and the contact of fuel direction instrument analog body, the alarm is sent out to the touch alarm ware.
Optionally, positioning sensors are disposed on the installation positioning pin 4 and the guide positioning pin 12, the positioning sensors are used for detecting installation conditions of the installation positioning pin 4 and the guide positioning pin 12, and whether the fuel assembly simulator and the fuel guide tool simulator are installed correctly and firmly is automatically detected, so that automation of the simulation device is improved, for example, the positioning sensors adopt pressure sensors and are disposed at qualified positioning positions on the installation positioning pin 4 and the guide positioning pin 12.
Exemplarily, a simulation training method for core installation by using the installation operation simulation device for the fuel assembly guidance tool of the pressurized water reactor nuclear power generating unit is provided, and the simulation training method specifically comprises the following steps:
according to the simulation requirements, mounting positioning pins 4 on the mounting holes 3 of the reactor core plate body 1, and mounting the reactor core plate body 1 with the mounting positioning pins 4 on a supporting plate 16 of the mobile cart for suspension;
the positioning holes 9 on the lower tube seat 5 and the mounting positioning pins 4 are installed in a matched mode by utilizing the handles 8 on the portable fuel assembly simulating body, and the fuel assembly simulating body is respectively installed on the reactor core plate body 1 according to the positions and the number of the mounting positioning pins 4, so that the required fuel assembly arrangement condition is simulated;
a lifting device is connected to a lifting lug 14 of the fuel guiding tool simulator, the lifting device is a nylon rope or a steel wire rope which is long enough, an operator controls the lifting device to install the fuel guiding tool simulator on the reactor core plate body 1 at an operation position, and the guiding positioning pin 12 is installed with the water flowing hole 2 in a matched mode;
if the fuel assembly simulation body is contacted with the fuel guiding tool simulation body in the installation process, the touch alarm gives an alarm.
According to a specific implementation mode, the utility model comprises a lower reactor core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a lifting device, wherein an operator utilizes the lifting device to install the fuel guiding tool simulator on a water flowing hole of the lower reactor core plate simulator, utilizes a handle on the fuel assembly simulator to install the fuel assembly simulator on an installation positioning pin of the lower reactor core plate simulator, and the fuel assembly simulator and the fuel guiding tool simulator can be detachably and flexibly arranged, so that the field reactor core loading environment can be simulated, the operation of the fuel guiding tool under various working conditions can be realized, the proficiency of operators can be improved, the nuclear safety during overhaul can be ensured, the overhaul main line time of a pressurized water reactor nuclear power unit can be saved, and the utility model has the advantages of economy, safety, stability and reliability.
The applicant declares that the above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and it should be understood by those skilled in the art that any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein fall within the scope and disclosure of the present invention.
Claims (10)
1. The installation operation simulation device for the fuel assembly guiding tool of the pressurized water reactor nuclear power unit is characterized by comprising a lower reactor core plate simulator, a fuel assembly simulator, a fuel guiding tool simulator and a lifting device;
the lower reactor core plate simulator comprises a reactor core plate body, wherein at least one drain hole and at least one mounting hole are formed in the reactor core plate body, the drain hole is used for being detachably connected with the fuel guide tool simulator, a mounting positioning pin is arranged on the mounting hole, and the fuel assembly simulator is detachably connected to the mounting hole through the mounting positioning pin;
the lifting device is used for detachably mounting the fuel guiding tool simulation body on the water flowing hole.
2. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device according to claim 1, wherein the installation positioning pin is divided into an insertion section and a positioning section along a length direction, the insertion section of the installation positioning pin has the same diameter as the installation hole and is inserted into the installation hole, and the positioning section is used for inserting the fuel assembly simulator.
3. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device of claim 2, wherein the insertion section diameter of the installation positioning pin is smaller than the positioning section diameter.
4. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation and operation simulation device of claim 1, wherein the water flow holes are arranged in a matrix on a core plate body, and the installation holes are arranged among the water flow holes.
5. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device according to claim 2, wherein the fuel assembly simulation body comprises a lower pipe seat, a coaming is arranged on the upper surface of the lower pipe seat along the edge, a top plate is covered on the top of the coaming, the lower pipe seat, the coaming and the top plate form a fuel assembly simulation body with a box body structure, and a handle is arranged on the top plate.
6. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device according to claim 5, wherein the bottom nozzle is provided with at least one positioning hole for inserting a positioning section of the installation positioning pin.
7. The pressurized water reactor nuclear power unit fuel assembly guiding tool mounting operation simulation device as claimed in claim 1, wherein the fuel guiding tool simulation body comprises a connecting body, wherein guiding positioning pins are arranged at the bottoms of both ends of the connecting body, the guiding positioning pins are used for being inserted into water flowing holes, cushion blocks are arranged at the bottom of the connecting body, and the cushion blocks are positioned between the guiding positioning pins;
the top of connector is provided with at least one lug, hoist and mount ware passes through the lug and can dismantle with fuel direction instrument analog body and be connected, hoist and mount ware is nylon rope or wire rope.
8. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation operation simulation device of claim 7, wherein the connecting body is L-shaped in shape, and the spacers are disposed at corners of the L-shaped connecting body of the connecting body;
the connector comprises a bottom plate and a side plate arranged on the bottom plate, and the side plate and the bottom plate are spliced to form the connector of a body-shaped structure.
9. The pressurized water reactor nuclear power generating unit fuel assembly guiding tool installation and operation simulation device as claimed in claim 1, further comprising a moving cart, wherein the moving cart comprises a frame, a carriage is arranged on the frame, at least two supporting plates are arranged on the inner wall of the carriage, and the supporting plates are used for supporting the suspended reactor core plate simulator.
10. The pressurized water reactor nuclear power unit fuel assembly guiding tool installation and operation simulation device as claimed in claim 1, further comprising a touch alarm, wherein the touch alarm is respectively and independently electrically connected with the fuel assembly simulator and the fuel guiding tool simulator, the fuel assembly simulator is in contact with the fuel guiding tool simulator, and the touch alarm gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220379490.0U CN216980128U (en) | 2022-02-24 | 2022-02-24 | Installation operation simulation device for fuel assembly guiding tool of pressurized water reactor nuclear power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220379490.0U CN216980128U (en) | 2022-02-24 | 2022-02-24 | Installation operation simulation device for fuel assembly guiding tool of pressurized water reactor nuclear power unit |
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| CN216980128U true CN216980128U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220379490.0U Active CN216980128U (en) | 2022-02-24 | 2022-02-24 | Installation operation simulation device for fuel assembly guiding tool of pressurized water reactor nuclear power unit |
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| Country | Link |
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| CN (1) | CN216980128U (en) |
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- 2022-02-24 CN CN202220379490.0U patent/CN216980128U/en active Active
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