CN216450393U - Conveying device for spherical element of high-temperature gas cooled reactor - Google Patents
Conveying device for spherical element of high-temperature gas cooled reactor Download PDFInfo
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- CN216450393U CN216450393U CN202123007988.9U CN202123007988U CN216450393U CN 216450393 U CN216450393 U CN 216450393U CN 202123007988 U CN202123007988 U CN 202123007988U CN 216450393 U CN216450393 U CN 216450393U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to the technical field of reactor engineering equipment, in particular to a conveying device for a spherical element of a high-temperature gas cooled reactor. A conveying device for spherical elements of a high-temperature gas cooled reactor comprises: the rotating structure comprises a stator and a rotor arranged in the stator, the rotor is provided with at least two accommodating spaces with the volume larger than that of the spherical element, and the stator is provided with a ball receiving hole and a ball conveying hole which are respectively communicated with the at least two accommodating spaces; the conveying structure comprises a feeding channel connected with the ball receiving hole and a discharging channel connected with the ball conveying hole. The utility model solves the problems that the single reactor needs to be accurately positioned and needs to be repositioned at certain intervals during operation, thereby providing the conveying device for the spherical elements of the high-temperature gas cooled reactor.
Description
Technical Field
The utility model relates to the technical field of reactor engineering equipment, in particular to a conveying device for a spherical element of a high-temperature gas cooled reactor.
Background
In the high-temperature gas cooled reactor, a fuel loading and unloading system executes element loading and unloading functions, 6000 fuel elements are unloaded and loaded every day, and the fuel elements are subjected to operations such as ball crushing and sorting, fuel consumption measurement and the like. In achieving the above-described functions, it is important how to deliver a single spherical element to a certain functional device. In the prior art, a single device needs to be accurately positioned to receive spherical elements in actual operation, the spherical elements with shapes slightly not meeting the standard need to be repositioned in a certain period, the spherical elements with the shapes slightly not meeting the standard can be deviated, the DCS for loading and unloading fuel can not be continuously operated due to the deviation caused by the incapability of conveying the spherical elements, the single device needs to be manually analyzed and judged to be capable of operating after the operation, and adverse factors are brought to the continuous and reliable operation of a nuclear power station.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the present invention is to overcome the defects of the prior art that a single device needs to be precisely positioned and repositioned at certain intervals during operation, and thereby a conveying device for spherical elements of a high temperature gas cooled reactor is provided.
In order to solve the above problems, the present invention provides a conveying apparatus for a spherical element of a high temperature gas cooled reactor, comprising:
the rotating structure comprises a stator and a rotor arranged in the stator, the rotor is provided with at least two accommodating spaces with the volume larger than that of the spherical element, and the stator is provided with a ball receiving hole and a ball conveying hole which are respectively communicated with the at least two accommodating spaces;
the conveying structure comprises a feeding channel connected with the ball receiving hole and a discharging channel connected with the ball conveying hole.
Optionally, the number of the accommodating spaces is two, and the two accommodating spaces are arranged in central symmetry.
Optionally, the receiving space is arcuate and has an inner diameter greater than a diameter of the spherical element.
Optionally, the power part is used for driving the rotor to rotate.
Optionally, the power member is a direct drive motor.
Optionally, the feeding channel and the discharging channel are both pipes with a diameter slightly larger than that of the spherical element.
Optionally, a gap is provided between the outer edge of the rotor and the inner wall of the stator to allow gas to pass through.
Optionally, the device further comprises a controller and a counter arranged on the outer wall of the discharging channel, and the controller is in signal connection with the counter and the rotor respectively.
The technical scheme of the utility model has the following advantages:
1. the utility model provides a conveying device for a spherical element of a high-temperature gas cooled reactor, wherein a rotating structure comprises a stator and a rotor arranged in the stator, the rotor is provided with at least two accommodating spaces with the volume larger than that of the spherical element, and the stator is provided with a ball receiving hole and a ball conveying hole which are respectively communicated with the at least two accommodating spaces; the conveying structure comprises a feeding channel connected with the ball receiving hole and a discharging channel connected with the ball conveying hole. The rotor of the stator rotates, at least two containing spaces are arranged in the rotor, so that the spherical element entering from the feeding channel can automatically enter the containing spaces under the action of gravity, and the volume of the containing spaces is larger than that of the spherical element, so that the rotor can receive the spherical element entering the containing spaces without accurate positioning, and the single device does not need to be accurately positioned and repositioned at intervals during operation. At least two accommodation spaces are arranged, so that the rotor receives the spherical elements from the feeding channel in rotation and can rotate simultaneously to convey the spherical elements to the discharging channel through the ball conveying hole, and conveying efficiency is improved.
2. The conveying device for the spherical elements of the high-temperature gas cooled reactor provided by the utility model has two containing spaces which are arranged in a centrosymmetric manner, wherein the containing spaces are arc-shaped, and the inner diameter of each containing space is larger than the diameter of each spherical element. The two containing spaces are arranged in a centrosymmetric manner by taking the circle center as a symmetric point, the inner diameters of the containing spaces are larger than the diameter of the spherical element, the spherical element can conveniently enter the ball receiving hole by virtue of self gravity, so that the containing spaces do not need to be aligned with the ball receiving hole to receive the spherical element, and when the spherical element is conveyed to the ball conveying hole by the rotor, the spherical element from the feeding channel can be received by the other containing space. Meanwhile, the arc-shaped design ensures that the spherical element does not rigidly collide with the rotor, thereby avoiding damage to the spherical element and ensuring the yield.
3. The conveying device for the spherical elements of the high-temperature gas cooled reactor further comprises a power part for driving the rotor to rotate, the power part is a direct-drive motor, the direct-drive motor drives the rotor to rotate towards one direction all the time, and the spherical elements can be received without considering the rotation angle of the rotor. The rotation towards a single direction can also protect the conveying equipment and avoid the damage of the conveying equipment in the reciprocating motion, thereby improving the use reliability of the conveying equipment and prolonging the service life.
4. According to the conveying device for the high-temperature gas-cooled reactor spherical element, the feeding channel and the discharging channel are both channels with the diameter slightly larger than that of the spherical element, so that the standard spherical element can smoothly pass through the feeding channel and the discharging channel, and the spherical element with the size slightly larger than that of the standard spherical element cannot pass through the discharging channel.
5. According to the conveying device for the spherical element of the high-temperature gas cooled reactor, the gap allowing gas to pass is formed between the outer edge of the rotor and the inner wall of the stator, so that high-pressure gas at the downstream can be choked, and the spherical element cannot fall down by gravity.
6. The control structure of the conveying device for the spherical elements of the high-temperature gas cooled reactor provided by the utility model further comprises a controller and a counter arranged on the outer wall of the discharge channel, wherein the controller is respectively in signal connection with the counter and the rotor, and the controller is used for counting the number of the rotor rotation times and the number of the spherical elements so as to eliminate the deviation in the counting according to the number of the rotor rotation times and the number of the spherical elements passing through the discharge channel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a conveying apparatus for spherical elements of a high temperature gas cooled reactor according to an embodiment of the present invention.
Description of reference numerals: 1. a feeding channel; 2. a spherical element; 3. a stator; 4. a rotor; 5. an accommodating space; 6. a discharge channel; 7. a counter.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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 construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
One embodiment of the transportation device for spherical elements of a high temperature gas cooled reactor shown in fig. 1 comprises: a rotating structure and a conveying structure. The rotating structure comprises a stator 3 and a rotor 4 arranged in the stator 3, the rotor 4 is provided with two containing spaces 5 with the volume larger than that of the spherical element 2, the two containing spaces 5 are arranged in a central symmetry manner, and each containing space 5 is arc-shaped and has an inner diameter larger than that of the spherical element 2. In particular, the spherical elements 2 are graphite spheres. The stator 3 is a hollow shell with a cavity inside, the cavity is spherical, the inner diameter of the cavity is slightly larger than the diameter of the stator 3, a gap allowing air to pass through is formed between the inner wall of the stator 3 and the outer edge of the rotor 4, and the two opposite ends of the cavity are respectively provided with a ball receiving hole, a ball conveying hole, the stator 3 and the rotor 4 which are respectively communicated with the two accommodating spaces 5 to form a single device. In order to drive the rotor 4 to rotate, a power member for driving the rotor 4 to rotate is also included. Specifically, the power part is a direct drive motor.
As shown in figure 1, the conveying structure comprises a feeding channel 1 and a discharging channel 6 which are oppositely arranged, the feeding channel 1 is connected with the ball receiving hole, and the discharging channel 6 is connected with the ball conveying hole. Specifically, the feeding channel 1 and the discharging channel 6 are both pipelines with the diameter slightly larger than that of the spherical element 2.
As shown in figure 1, in order to accurately count the number of the spherical elements 2, the device further comprises a controller and a counter 7 arranged on the outer wall of the discharge channel 6, wherein the controller is respectively in signal connection with the counter 7 and the rotor 4.
In the specific implementation process, the spherical elements 2 enter the accommodating space 5 on the upper part of the rotor 4 from the feeding channel 1 through the ball receiving hole, the driving piece drives the rotor 4 to rotate clockwise, the rotor 4 rotates to drive the spherical elements 2 to reach the discharging channel 6 through the ball conveying hole, the next spherical element in the feeding channel 1 enters the lower part originally, the next spherical element rotates to the accommodating space on the upper part, the counter 7 arranged on the outer wall of the discharging channel 6 counts the number of the passing spherical elements 2 and feeds the number back to the controller.
A method for conveying spherical elements of a high-temperature gas cooled reactor comprises the following steps:
the spherical elements 2 are sequentially placed into the feeding channel, meanwhile, the direct drive motor drives the rotor 4 to rotate, the counter 7 counts the number of the spherical elements 2 passing through the discharging channel 6 and feeds the number back to the controller through signals, and when the number reaches a first preset value, the controller sends out signals to stop conveying of the spherical elements 2 in the feeding channel 1 and stop the direct drive motor from driving the rotor 4 to rotate clockwise;
when the number is lower than a second preset value, the controller sends a signal to convey the spherical elements 2 into the feeding channel 1 again, and the rotor 4 is driven by the direct drive motor to rotate continuously in the clockwise direction.
As an alternative embodiment, the rotor 4 may also rotate in the counterclockwise direction.
As an alternative embodiment, the number of receiving spaces 5 is even, and may be 4, 6 or even more.
The conveying device for the spherical element 2 of the high-temperature gas cooled reactor, provided by the utility model, has the advantages that workers do not need to reposition the single device after a period of time, the operation reliability of conveying equipment is effectively improved, the labor intensity of the workers is reduced, the original control logic is optimized, the fuel element can be reliably conveyed for a long time by the conveying equipment in a high-temperature and high-radiation environment, and the continuous operation stability of the reactor is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.
Claims (8)
1. A conveying device for spherical elements of a high-temperature gas cooled reactor is characterized by comprising:
the rotating structure comprises a stator (3) and a rotor (4) arranged in the stator (3), the rotor (4) is provided with at least two accommodating spaces (5) with the volume larger than that of the spherical element (2), and the stator (3) is provided with a ball receiving hole and a ball conveying hole which are respectively communicated with the at least two accommodating spaces (5);
the conveying structure comprises a feeding channel (1) connected with the ball receiving hole and a discharging channel (6) connected with the ball conveying hole.
2. The conveying device for spherical elements in high temperature gas cooled reactor according to claim 1, wherein the receiving spaces (5) are two and arranged in a central symmetry.
3. The transportation device for spherical elements in high temperature gas cooled reactor according to claim 1, wherein the receiving space (5) is arc-shaped and has an inner diameter greater than the diameter of the spherical elements (2).
4. The conveying device for spherical elements of a high temperature gas cooled reactor according to any one of claims 1 to 3, further comprising a power member for driving the rotor (4) to rotate.
5. The conveying device for the spherical element of the high temperature gas cooled reactor according to claim 4, wherein the power member is a direct drive motor.
6. The conveying device for spherical elements of a high temperature gas cooled reactor according to any of claims 1 to 3, characterized in that the inlet channel (1) and the outlet channel (6) are both pipes with a diameter slightly larger than the diameter of the spherical elements (2).
7. The transportation device for spherical elements of a high temperature gas cooled reactor according to any of claims 1 to 3, characterized in that a gap allowing gas to pass is provided between the outer edge of the rotor (4) and the inner wall of the stator (3).
8. The conveying device for spherical elements of a high temperature gas cooled reactor according to any one of claims 1 to 3, further comprising a controller and a counter (7) arranged on the outer wall of the discharging channel (6), wherein the controller is in signal connection with the counter (7) and the rotor (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007988.9U CN216450393U (en) | 2021-12-02 | 2021-12-02 | Conveying device for spherical element of high-temperature gas cooled reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123007988.9U CN216450393U (en) | 2021-12-02 | 2021-12-02 | Conveying device for spherical element of high-temperature gas cooled reactor |
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| CN216450393U true CN216450393U (en) | 2022-05-06 |
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| CN202123007988.9U Active CN216450393U (en) | 2021-12-02 | 2021-12-02 | Conveying device for spherical element of high-temperature gas cooled reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116137189A (en) * | 2023-02-24 | 2023-05-19 | 华能山东石岛湾核电有限公司 | Method and device for judging whether fuel element overtime is dropped |
| CN117038128A (en) * | 2023-07-07 | 2023-11-10 | 华能核能技术研究院有限公司 | Ball bed type reactor fuel element counting instrument mounting device |
-
2021
- 2021-12-02 CN CN202123007988.9U patent/CN216450393U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116137189A (en) * | 2023-02-24 | 2023-05-19 | 华能山东石岛湾核电有限公司 | Method and device for judging whether fuel element overtime is dropped |
| CN117038128A (en) * | 2023-07-07 | 2023-11-10 | 华能核能技术研究院有限公司 | Ball bed type reactor fuel element counting instrument mounting device |
| CN117038128B (en) * | 2023-07-07 | 2024-06-04 | 华能核能技术研究院有限公司 | Ball bed type reactor fuel element counting instrument mounting device |
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