CN114121310A - Control rod driving device of open reactor - Google Patents
Control rod driving device of open reactor Download PDFInfo
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- CN114121310A CN114121310A CN202111412631.0A CN202111412631A CN114121310A CN 114121310 A CN114121310 A CN 114121310A CN 202111412631 A CN202111412631 A CN 202111412631A CN 114121310 A CN114121310 A CN 114121310A
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- open reactor
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/12—Means for moving control elements to desired position
- G21C7/14—Mechanical drive arrangements
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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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- Chemical & Material Sciences (AREA)
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- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a control rod driving device of an open reactor, which comprises a driving motor, an upper speed reducer, a brake assembly, a lower speed reducer, a hoisting drum and a steel wire rope, wherein the torque input end of the upper speed reducer is connected with the torque output end of the driving motor; the torque input end of the brake assembly is connected with the torque output end of the upper speed reducer; the torque input end of the lower speed reducer is connected with the torque output end of the brake assembly; a rotating shaft of the hoisting drum is connected with a torque output end of the lower speed reducer; the invention reduces the output rotating speed of the driving motor through the upper speed reducer and the lower speed reducer, finally transmits the output rotating speed to the hoisting drum, shortens the length of the steel wire rope through the hoisting drum, realizes the adjustment of the position of the control rod, and has most parts which are easy to process and simple structure.
Description
Technical Field
The invention relates to the field of nuclear reactor control, in particular to a control rod driving device of an open reactor.
Background
In the operating state of the open reactor, control rods need to be placed in the open reactor, and the following functions need to be realized: the control rod can freely run in the full-drive stroke range, the rod holding is reliable, and the phenomena of incapability of lifting, stepping out and clamping the rod caused by the control rod drive mechanism are not allowed to occur; the control rod stopping function can be executed within the operating condition range of the equipment, the control rod at any stroke position or in lifting motion can be made to perform emergency shutdown and rod falling, and the phenomena of rod stagnation and rod clamping caused by the control rod driving mechanism are not allowed to occur.
Most control rod driving devices at the present stage are complex in structure, and when a power failure occurs, the rod dropping device may fail and cannot drop rods normally due to the fact that a power system fails.
Disclosure of Invention
The invention aims to solve the technical problem that a control rod driving device of an open reactor is complex in structure, and aims to provide a control rod driving device method of the open reactor, which solves the problems that the structure is complex and the rod dropping function is easy to fail.
The invention is realized by the following technical scheme:
a control rod drive apparatus for an open reactor, comprising:
a drive motor;
the torque input end of the upper speed reducer is connected with the torque output end of the driving motor;
the torque input end of the brake assembly is connected with the torque output end of the upper speed reducer;
the torque input end of the lower speed reducer is connected with the torque output end of the brake assembly;
a rotating shaft of the winding drum is connected with a torque output end of the lower speed reducer;
and the first end of the steel wire rope is fixedly connected with the hoisting drum, the steel wire rope is wound on the hoisting drum, and the control rod is fixedly connected with the second end of the steel wire rope.
Further, the driving device further includes:
the shell is vertically arranged right above the open type reactor, and the driving motor, the upper speed reducer, the braking assembly, the lower speed reducer and the winding drum are sequentially and fixedly arranged in the shell from top to bottom.
Specifically, the brake assembly includes:
the upper friction plate is horizontally arranged, and a rotating shaft of the upper friction plate is fixedly connected with a torque output shaft of the upper speed reducer;
the lower friction plate is arranged below the upper friction plate, and is coaxial and parallel to the upper friction plate;
the lower friction plate is axially connected with the first end of the braking main shaft in a sliding manner, and the second end of the braking main shaft is fixedly connected with the torque input end of the lower speed reducer;
the safety control assembly is provided with a fixed end and a lifting end, the fixed end of the safety control assembly is fixedly arranged relative to the upper friction plate, and the lifting end of the safety control assembly is coaxial with the braking main shaft and drives the lower friction plate to move axially along the braking main shaft;
when the friction plate is in a working state, the lower friction plate is attached to the upper friction plate;
and when the friction plate is in an accident state, a gap is formed between the upper friction plate and the lower friction plate.
Preferably, an axial key is arranged on the outer side surface of the braking spindle, the lower friction plate is provided with a key groove matched with the key, and the lower friction plate is axially and slidably connected with the braking spindle through the key and the key groove.
Specifically, the safety control assembly includes:
the electromagnet is arranged between the brake main shaft and the shell and is fixedly connected with the shell;
the assembly armature is arranged below the electromagnet, is coaxial with the braking main shaft, and rotates in a central hole of the assembly armature;
the electromagnet exerts upward magnetic attraction on the assembly armature after being electrified, and the minimum distance of upward movement of the assembly armature is greater than the maximum distance between the upper friction plate and the lower friction plate.
Further, the safety control assembly further comprises:
and the upper limit assembly is arranged below the assembling armature and is in a working state, and when the control rod falls to a set lowest position, the upper limit assembly sends a control signal to the control motor and stops the control motor.
Still further, the safety control assembly further comprises:
and the lower limit assembly is arranged above the lower speed reducer, and when the control rod is lifted to a set highest position, the lower limit assembly sends a control signal to the control motor and stops the control motor.
Specifically, the driving device further comprises a rotary encoder for measuring the output rotating speed of the lower speed reducer, and the torque input end of the rotary encoder is connected with the torque output end of the lower speed reducer.
Specifically, the axis level of hoist cylinder sets up, the hoist cylinder includes:
a cylinder body, a mandrel of which is fixedly connected with the shell and rotates on the mandrel,
the first bevel gear is fixedly connected with the cylinder body, and a rotating shaft of the first bevel gear is coaxially arranged with a rotating shaft of the cylinder body;
and the torque input end of the second bevel gear is fixedly connected with the torque output end of the lower speed reducer.
Preferably, the upper speed reducer, the brake assembly, the lower speed reducer and the winding drum are all made of high-strength stainless steel.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the invention, the output rotating speed of the driving motor is reduced through the upper speed reducer and the lower speed reducer, and is finally transmitted to the hoisting drum, the length of the steel wire rope is shortened through the hoisting drum, the position of the control rod is adjusted, most parts are easy to process, and the structure is simple;
through setting up the safety control subassembly to make it under the outage state, the control rod also can rely on the gravity of self to fall fast, thereby makes and can realize falling the stick rapidly after the power failure trouble appears, guarantees the safety of reactor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of a control rod driving apparatus for an open reactor according to the present invention.
Reference numerals: 1-driving motor, 2-upper reducer, 3-lower reducer, 4-winding drum, 5-steel wire rope, 6-upper friction plate, 7-lower friction plate, 8-braking spindle, 9-electromagnet, 10-assembly armature, 11-upper limit component, 12-lower limit component, 13-rotary encoder and 100-control rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention.
It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
A control rod driving device of an open reactor comprises a driving motor 1, an upper speed reducer 2, a brake assembly, a lower speed reducer 3, a hoisting drum 4 and a steel wire rope 5.
The torque input end of the upper speed reducer 2 is connected with the torque output end of the driving motor 1;
the torque input end of the brake assembly is connected with the torque output end of the upper speed reducer 2;
the torque input end of the lower speed reducer 3 is connected with the torque output end of the brake assembly;
the upper reducer 2 and the lower reducer 3 may be the existing ones, and the reducer is an independent part comprising gear transmission, worm transmission and gear-worm transmission enclosed in a rigid casing, and is usually used as a speed reducing transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.
The driving motor 1 is a common motor, and high-speed circular motion of the motor is converted into low-speed linear motion required by lifting of the control rod 100 through the matching of the upper speed reducer 2 and the lower speed reducer 3.
The rotating shaft of the hoisting drum 4 is connected with the torque output end of the lower speed reducer 3, the first end of the steel wire rope 5 is fixedly connected with the hoisting drum 4, the steel wire rope 5 is wound on the hoisting drum 4, and the control rod 100 is fixedly connected with the second end of the steel wire rope 5.
The hoisting drum 4 and the steel wire rope 5 form a hoisting mechanism, and the length of the steel wire rope 5 on the hoisting drum 4 is changed by rotating the hoisting drum 4, so that the extending length of the steel wire rope 5 can be changed, and the up-and-down position of the control rod 100 can be adjusted.
The upper speed reducer 2, the brake assembly, the lower speed reducer 3 and the winch drum 4 are all made of high-strength stainless steel.
In addition, in order to save the installation space, the driving device is vertically installed, the shell of the driving device is vertically arranged right above the open type reactor, and the driving motor 1, the upper speed reducer 2, the braking assembly, the lower speed reducer 3 and the winding drum 4 are fixedly arranged in the shell from top to bottom in sequence.
Example two
The structure in the first embodiment enables the control rod 100 to be driven so that it can be installed in an open reactor, but if a power failure occurs, the rod needs to be automatically dropped rapidly to improve safety, which is achieved by a brake assembly including an upper friction plate 6, a lower friction plate 7, a brake spindle 8, and a safety control assembly.
The upper friction plate 6 is horizontally arranged, and a rotating shaft of the upper friction plate 6 is fixedly connected with a torque output shaft of the upper speed reducer 2;
the lower friction plate 7 is arranged below the upper friction plate 6, and is coaxial and parallel to the upper friction plate 6;
an axial key is arranged on the outer side surface of the braking main shaft 8, a key groove matched with the key is arranged on the lower friction plate 7, and the lower friction plate 7 is connected with the braking main shaft 8 in an axial sliding mode through the key and the key groove.
When the friction plate is in an operating state, the upper friction plate 6 is attached to the lower friction plate 7, and the upper friction plate 6 is in contact with the lower friction plate 7, so that the rotating torque of the upper friction plate 6 can be transmitted to the lower friction plate 7.
The first end of the brake main shaft 8 is coaxial with the rotating shaft of the lower friction plate 7, the assembly armature 10 is extruded upwards under the action of the electromagnetic force of the electromagnet 9, the lower friction plate 7 and the rotating shaft thereof (in the embodiment, the lower side surface of the lower friction plate 7 is provided with the rotating shaft and is connected with the brake main shaft 8 through the rotating shaft) slide upwards on the brake main shaft 8, after the lower friction plate 7 is contacted with the upper friction plate 6, the lower friction plate 7 and the rotating shaft thereof form stable connection under the influence of external force through keys and the brake main shaft 8, and the second end of the brake main shaft 8 is fixedly connected with the torque input end of the lower speed reducer 3;
the rotational torque is then transmitted to the lower reducer 3 through the brake spindle 8 connected to the lower friction plate 7 and its shaft, the assembly armature 10 having a hole in the center, the brake spindle 8 being coaxial with and passing through the assembly armature 10, the assembly armature 10 thus being able to slide coaxially.
In addition, because the control rod 100 needs to be dropped after a power failure, a safety control assembly is arranged, the safety control assembly is provided with a fixed end and a lifting end, the fixed end of the safety control assembly is fixedly arranged relative to the upper friction plate 6, and the lifting end of the safety control assembly can move on the brake spindle 8 along the axial direction of the brake spindle 8;
when an accident occurs, the lifting end of the safety control assembly moves downwards, so that the upper friction plate 6 is separated from the lower friction plate 7, the control rod 100 and the lower reducer 3 lose the torque provided by the control motor, and the hoisting drum 4 rapidly rotates under the action of the gravity of the control rod, so that the steel wire rope 5 rapidly extends, and finally the control rod 100 successfully falls.
Therefore, in the event of an accident, a gap is provided between the upper friction plate 6 and the lower friction plate 7.
The safety control assembly in this embodiment comprises an electromagnet 9 and an assembly armature 10, since a de-energized automatic rod drop is required.
The electromagnet 9 is arranged between the brake main shaft 8 and the shell, and the electromagnet 9 is fixedly connected with the shell;
the assembly armature 10 is arranged below the electromagnet 9, a hole is formed in the center of the assembly armature 10, the brake main shaft 8 is coaxial with the assembly armature 10 and penetrates through the central hole, and therefore the assembly armature 10 can axially slide;
after the electromagnet 9 is electrified, an upward magnetic attraction force is applied to the assembling armature 10, and the minimum distance for the assembling armature 10 to move upwards is larger than the maximum distance between the upper friction plate 6 and the lower friction plate 7.
When the driving device is electrified and normally operates, the electromagnet 9 is electrified to generate magnetic force, the magnetic force enables the assembly armature 10 to attract the electromagnet 9 and drive the lower friction plate 7 on the braking main shaft 8 to move upwards, the lower friction plate 7 moves upwards to attract the upper friction plate 6 of the upper speed reducer 2, the upper friction plate 6 is connected with the driving motor 1 through the upper speed reducer 2, and therefore power can be transmitted to the lower speed reducer 3 through the driving motor 1;
when power failure occurs, the electromagnet 9 loses power, the magnetic force disappears, the assembly armature 10 moves under the action of gravity, the lower friction plate 7 moves downwards, the lower friction plate 7 is separated from the upper friction plate 6, the power of the upper friction plate 6 cannot be transmitted to the lower friction plate 7, the control rod 100 falls under the action of gravity, the speed of the control rod is higher than the driving speed of the driving motor 1, and the safety is high.
EXAMPLE III
For the second embodiment, in order to avoid the damage to the whole driving device caused by the excessively long upward or downward movement distance of the brake spindle 8, the safety control assembly further includes an upper limit assembly 11 and a lower limit assembly 12.
The upper limit assembly 11 is disposed below the assembly armature 10, and in an operating state, when the control rod 100 falls to a set lowest position, the upper limit assembly 11 sends a control signal to the control motor 1 and stops the control motor 1, which prevents the control motor 1 from continuously idling.
The lower limit component 12 is arranged above the lower speed reducer 3, when the control rod 8 lifts to a set highest position, the lower limit component 12 sends a control signal to the control motor 1, the control motor 1 is stopped, and the control motor 1 is prevented from idling continuously.
In this embodiment, both the upper limit position limiting component 11 and the lower limit position limiting component 12 may adopt a contact type in-place sensor, a photoelectric in-place sensor, or the like, which can detect a specific position of the control rod 100, and those skilled in the art can select the position according to specific situations.
Example four
In order to monitor the rotational speed, the drive device in this embodiment further includes a rotary encoder 13 for measuring the output rotational speed of the lower reducer 3, and a torque input end of the rotary encoder is connected to a torque output end of the lower reducer 3.
The rotating speed detection of the rolling cylinder is realized by the rotating speed encoder and the corresponding rotating speed ratio.
The central axis of the winding drum 4 is horizontally arranged, and the winding drum 4 comprises a drum body, a first bevel gear and a second bevel gear.
The cylinder body is rotatably connected with the shell, the first bevel gear is fixedly connected with the cylinder body, and a rotating shaft of the first bevel gear and a rotating shaft of the cylinder body are coaxially arranged; the second bevel gear is meshed with the first bevel gear, and the torque input end of the second bevel gear is fixedly connected with the torque output end of the lower speed reducer 3.
The torque in the vertical direction output from the lower reduction gear 3 is converted into the horizontal direction by the cooperation of the first bevel gear and the second bevel gear.
Of course, the two bevel gears can be omitted if the lower reducer 3 can directly output the torque in the horizontal direction.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the invention. It will be apparent to those skilled in the art that other variations or modifications may be made on the above invention and still be within the scope of the invention.
Claims (10)
1. A control rod drive apparatus for an open reactor, comprising:
a drive motor;
the torque input end of the upper speed reducer is connected with the torque output end of the driving motor;
the torque input end of the brake assembly is connected with the torque output end of the upper speed reducer;
the torque input end of the lower speed reducer is connected with the torque output end of the brake assembly;
a rotating shaft of the winding drum is connected with a torque output end of the lower speed reducer;
and the first end of the steel wire rope is fixedly connected with the hoisting drum, the steel wire rope is wound on the hoisting drum, and the control rod is fixedly connected with the second end of the steel wire rope.
2. The open reactor control rod drive device as set forth in claim 1, further comprising:
the shell is vertically arranged right above the open type reactor, and the driving motor, the upper speed reducer, the braking assembly, the lower speed reducer and the winding drum are sequentially and fixedly arranged in the shell from top to bottom.
3. The open reactor control rod drive as set forth in claim 2, wherein the brake assembly comprises:
the upper friction plate is horizontally arranged, and a rotating shaft of the upper friction plate is fixedly connected with a torque output shaft of the upper speed reducer;
the lower friction plate is arranged below the upper friction plate, and is coaxial and parallel to the upper friction plate;
the lower friction plate is axially connected with the first end of the braking main shaft in a sliding manner, and the second end of the braking main shaft is fixedly connected with the torque input end of the lower speed reducer;
the safety control assembly is provided with a fixed end and a lifting end, the fixed end of the safety control assembly is fixedly arranged relative to the upper friction plate, and the lifting end of the safety control assembly is coaxial with the braking main shaft and drives the lower friction plate to move axially along the braking main shaft;
when the friction plate is in a working state, the lower friction plate is attached to the upper friction plate;
and when the friction plate is in an accident state, a gap is formed between the upper friction plate and the lower friction plate.
4. The open reactor control rod drive device as set forth in claim 3, wherein an axial key is provided on an outer side surface of the brake spindle, and the lower friction plate is provided with a key groove adapted to the key, and the lower friction plate is axially slidably connected to the brake spindle through the key and the key groove.
5. The open reactor control rod drive device of claim 3, wherein the safety control assembly comprises:
the electromagnet is arranged between the brake main shaft and the shell and is fixedly connected with the shell;
the assembly armature is arranged below the electromagnet, is coaxial with the braking main shaft, and rotates in a central hole of the assembly armature;
the electromagnet exerts upward magnetic attraction on the assembly armature after being electrified, and the minimum distance of upward movement of the assembly armature is greater than the maximum distance between the upper friction plate and the lower friction plate.
6. The open reactor control rod drive device of claim 5, wherein the safety control assembly further comprises:
and the upper limit assembly is arranged below the assembling armature and is in a working state, and when the control rod falls to a set lowest position, the upper limit assembly sends a control signal to the control motor and stops the control motor.
7. The open reactor control rod drive device of claim 6, wherein the safety control assembly further comprises:
and the lower limiting assembly is arranged above the lower speed reducer and is in a working state, and when the control rod is lifted to a set highest position, the lower limiting assembly sends a control signal to the control motor and stops the control motor.
8. The open reactor control rod drive as set forth in claim 6, further comprising a rotary encoder for measuring the output speed of the lower speed reducer, a torque input end of which is connected to a torque output end of the lower speed reducer.
9. The control rod driving apparatus for an open reactor as set forth in claim 3, wherein a central axis of the hoist drum is horizontally disposed, the hoist drum comprising:
a cylinder body, a mandrel of which is fixedly connected with the shell and rotates on the mandrel,
the first bevel gear is fixedly connected with the cylinder body, and a rotating shaft of the first bevel gear is coaxially arranged with a rotating shaft of the cylinder body;
and the torque input end of the second bevel gear is fixedly connected with the torque output end of the lower speed reducer.
10. The open reactor control rod drive apparatus as set forth in claim 3, wherein the upper retarder, the brake assembly, the lower retarder and the take-up drum are made of high strength stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412631.0A CN114121310A (en) | 2021-11-25 | 2021-11-25 | Control rod driving device of open reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412631.0A CN114121310A (en) | 2021-11-25 | 2021-11-25 | Control rod driving device of open reactor |
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| CN114121310A true CN114121310A (en) | 2022-03-01 |
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|---|---|---|---|
| CN202111412631.0A Pending CN114121310A (en) | 2021-11-25 | 2021-11-25 | Control rod driving device of open reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114913999A (en) * | 2022-06-10 | 2022-08-16 | 华能核能技术研究院有限公司 | High-temperature gas cooled reactor control rod driving mechanism |
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2021
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| CN114913999A (en) * | 2022-06-10 | 2022-08-16 | 华能核能技术研究院有限公司 | High-temperature gas cooled reactor control rod driving mechanism |
| CN114913999B (en) * | 2022-06-10 | 2023-05-16 | 华能核能技术研究院有限公司 | Control rod driving mechanism of high-temperature gas cooled reactor |
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