CN220381606U - Ball passing counting device applied to ball bed type high-temperature gas cooled reactor - Google Patents
Ball passing counting device applied to ball bed type high-temperature gas cooled reactor Download PDFInfo
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- CN220381606U CN220381606U CN202322076420.5U CN202322076420U CN220381606U CN 220381606 U CN220381606 U CN 220381606U CN 202322076420 U CN202322076420 U CN 202322076420U CN 220381606 U CN220381606 U CN 220381606U
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- pipeline
- counting device
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- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 description 10
- 230000005284 excitation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004092 self-diagnosis Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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 embodiment of the disclosure provides a ball passing counting device applied to a ball bed type high-temperature gas cooled reactor, which comprises a sensor body, two fixing rings and a controller; the sensor body is sleeved on the outer side wall of the ball passing pipeline and is used for detecting ball passing signals in the ball passing pipeline; the sensor body is of an integrated ring structure; the two fixing rings are sleeved and fixed on the outer side wall of the ball passing pipeline, and the sensor body is clamped between the two fixing rings so as to fix the sensor body on the ball passing pipeline; the controller is electrically connected with the sensor body and is used for receiving the ball passing signal and processing the ball passing signal. The sensor body in the ball passing counting device of the embodiment of the disclosure adopts an integrated ring structure, has the characteristics of high induction signal intensity and high anti-interference capability, fully improves the performance of the sensor body, and increases the counting accuracy of the ball passing counting device.
Description
Technical Field
The embodiment of the disclosure belongs to the technical field of reactor engineering system supporting equipment, and particularly relates to a ball passing counting device applied to a ball bed type high-temperature gas cooled reactor.
Background
Nuclear energy is one of the most important energy sources to replace fossil energy, and pebble-bed type high-temperature gas cooled reactor is an advanced reactor type with fourth generation nuclear energy system features. Unlike traditional reactor, the fuel of the ball bed high temperature gas cooled reactor is 60mm fuel ball which is piled up in the reactor core, which can realize the fuel changing without stopping the reactor, and under the balanced reactor core, quantitatively remove the spent fuel and supplement new fuel every day, and the fuel ball which does not reach the burning depth returns to the reactor core. The ball passing counter is utilized to accurately count the number of fuel elements of the reactor core and the number of fuel elements of the reactor core so as to ensure the constant fuel charge of the reactor core, and can be used as a judging basis for the operation of fuel loading and unloading system equipment, so that the ball passing counter is an important equipment for ensuring the reliable operation of the ball bed type high-temperature gas cooled reactor.
At present, an electric vortex detection principle is adopted in a ball passing counter adopted in the demonstration engineering of the pebble-bed modular high-temperature gas-cooled reactor nuclear power station, the electric vortex detection principle comprises a sensor, a sensor mounting buckle, a secondary instrument and a corresponding cable, the sensor comprises two semicircles, each semicircle is provided with an upper coil and a lower coil, and the ball passing signal is judged through signals generated by the two coils. However, in the on-site actual operation process of the pebble-bed modular high-temperature gas-cooled reactor nuclear power station, signals of the counter are unstable, the condition of fuel ball leakage easily occurs, the counting accuracy of the counter can be influenced by the temperature of a pipeline installed by the sensor, and after the temperature of the installed pipeline exceeds a certain value, the counter leakage rate is greatly improved.
In view of the above, it is necessary to provide a ball passing counting device which is reasonable in design and can effectively improve the above problems and is applied to a ball bed type high temperature gas cooled reactor.
Disclosure of Invention
The embodiment of the disclosure aims at solving at least one of the technical problems existing in the prior art and provides a ball passing counting device applied to a ball bed type high-temperature gas cooled reactor, which comprises a sensor body, two fixing rings and a controller;
the sensor body is sleeved on the outer side wall of the ball passing pipeline and is used for detecting ball passing signals in the ball passing pipeline; wherein,
the sensor body is of an integrated annular structure;
the two fixing rings are sleeved and fixed on the outer side wall of the ball passing pipeline, and the sensor body is clamped between the two fixing rings so as to fix the sensor body on the ball passing pipeline;
the controller is electrically connected with the sensor body and is used for receiving the ball passing signal and processing the ball passing signal.
Optionally, a coil matrix is arranged in the sensor body, and the coil matrix comprises at least three groups of coils; wherein,
the turns of each group of coils are identical, and the winding modes of each group of coils are identical.
Optionally, a temperature detector is arranged in the sensor body;
the temperature detector is arranged close to the coil and is used for monitoring the temperature of the coil.
Optionally, the temperature monitor is a thermal resistor, and the thermal resistor can be replaced on line.
Optionally, the sensor body is provided with a heat dissipation hole.
Optionally, the inner diameter dimension of the sensor body is greater than the outer diameter dimension of the ball passing pipe.
Optionally, a mounting groove is formed in one side, facing the sensor body, of the fixing ring, and the sensor body is clamped in the mounting groove.
Optionally, each fixing ring comprises two semicircular rings, and the two semicircular rings are connected through a fastener.
Optionally, a fixing plate is arranged at the end part of each semicircular ring, and a through hole is formed in the fixing plate;
the fastener is inserted into the through hole so as to fix the fixing ring on the ball passing pipeline.
Optionally, the fixing ring is made of non-heat-conductive material.
The embodiment of the disclosure provides a ball passing counting device applied to a ball bed type high-temperature gas cooled reactor, which comprises a sensor body, two fixing rings and a controller; the sensor body is sleeved on the outer side wall of the ball passing pipeline and is used for detecting ball passing signals in the ball passing pipeline; wherein, the sensor body is in an integrated circular ring structure; the two fixing rings are sleeved and fixed on the outer side wall of the ball passing pipeline, and the sensor body is clamped between the two fixing rings so as to fix the sensor body on the ball passing pipeline; the controller is electrically connected with the sensor body and is used for receiving the ball passing signal and processing the ball passing signal. The sensor body in the ball counting device of the embodiment of the disclosure adopts an integrated ring structure, has the characteristics of high induction signal intensity and high anti-interference capability compared with a semicircular splicing structure, fully improves the performance of the sensor body, and increases the counting accuracy of the ball counting device.
Drawings
FIG. 1 is a schematic diagram of a ball passing counting device applied to a ball bed type high temperature gas cooled reactor according to an embodiment of the disclosure;
FIG. 2 is a schematic view of a sensor body according to another embodiment of the disclosure;
FIG. 3 is a schematic structural view of a fixing ring according to another embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a controller according to another embodiment of the disclosure.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the embodiments of the present disclosure, the embodiments of the present disclosure are described in further detail below with reference to the accompanying drawings and detailed description.
As shown in fig. 1, an embodiment of the present disclosure provides a ball passing counting device 100 applied to a pebble bed type high temperature gas cooled reactor, which includes a sensor body 110, two fixing rings 120, and a controller 130.
The sensor body 110 is sleeved on the outer side wall of the ball passing pipeline 200, and is used for detecting ball passing signals in the ball passing pipeline 200. As shown in fig. 2, the sensor body 110 has an integral ring structure.
The two fixing rings 120 are respectively sleeved and fixed on the outer side wall of the ball passing pipeline 200, and the sensor body 110 is clamped between the two fixing rings 120 so as to fix the sensor body 110 on the ball passing pipeline 200. By sandwiching the sensor body 110 between the two fixing rings 120, the sensor body 110 can be firmly fixed to the ball passing pipe 200.
The controller 130 is electrically connected to the sensor body 110, and is used for receiving and processing the ball passing signal.
When in use, the sensor body 110 is sleeved on the outer side wall of the ball passing pipeline 200, the two fixing rings 120 are sleeved and fixed on the outer side wall of the ball passing pipeline 200, and the sensor body 110 is clamped between the two fixing rings 120 to fix the sensor body 110 at the preset position of the ball passing pipeline 200. When the element 300 of the ball passing pipe 200 passes the sensor body 110, the sensor body 110 detects the ball passing signal in the ball passing pipe 200 and transmits the ball passing signal to the controller 130, and the controller 130 receives the ball passing signal and processes the ball passing signal, thereby counting the elements in the ball passing pipe 200.
The embodiment of the disclosure provides a ball passing counting device applied to a ball bed type high-temperature gas cooled reactor, which comprises a sensor body, two fixing rings and a controller; the sensor body is sleeved on the outer side wall of the ball passing pipeline and is used for detecting ball passing signals in the ball passing pipeline; wherein, the sensor body is in an integrated circular ring structure; the two fixing rings are sleeved and fixed on the outer side wall of the ball passing pipeline, and the sensor body is clamped between the two fixing rings so as to fix the sensor body on the ball passing pipeline; the controller is electrically connected with the sensor body and is used for receiving the ball passing signal and processing the ball passing signal. The sensor body in the ball counting device of the embodiment of the disclosure adopts an integrated ring structure, has the characteristics of high induction signal intensity and high anti-interference capability compared with a semicircular splicing structure, fully improves the performance of the sensor body, and increases the counting accuracy of the ball counting device.
Illustratively, a coil matrix is disposed in the sensor body 110, and the coil matrix includes a coil matrix of at least three groups of coils, wherein the number of turns of each group of coils is consistent, and the winding manner of each group of coils is consistent. Specifically, in this embodiment, the coil matrix may determine that the ball is passing through the logic of "3 to 2" or "5 to 3".
According to the ball passing counting device, the coil matrix comprising at least three groups of coils is arranged in the sensor body, the number of turns of each group of coils is consistent, the winding mode of each group of coils is consistent, the counting reliability is improved by adopting the coil matrix mode, the ball passing is judged through the logic of taking 2 or taking 3 by the coil matrix, and the counting accuracy is greatly improved.
Illustratively, a temperature detector (not shown) is disposed within the sensor body 110, the temperature detector being disposed proximate the coil for monitoring the temperature of the coil.
Specifically, in the present embodiment, the temperature detector employs a thermal resistor, monitors the temperature of the coil through the thermal resistor, and transmits a temperature signal measured by the thermal resistor to the controller 130. The thermal resistor can be replaced on line, and the normal operation of the sensor body is not affected. Note that, the type of the temperature detector is not particularly limited, and the temperature detector may be selected according to actual needs, for example, a thermocouple or the like may be used.
According to the ball passing counting device, the temperature of the coil can be monitored through the temperature detector arranged in the sensor body 110, the monitored temperature signal of the coil is fed back to the controller 130, the controller 130 can perform signal compensation calculation by using the temperature signal, and accuracy and fault tolerance of the ball passing signal are guaranteed.
Illustratively, the sensor body 110 is provided with a heat sink (not shown). Through set up the louvre on sensor body 110, can realize the ventilation and heat dissipation of sensor body 110 and the corresponding face of ball pipeline 200, strengthen the radiating effect of sensor body 110, and then improved the reliability of count.
Illustratively, the inner diameter dimension of the sensor body 110 is greater than the outer diameter dimension of the ball passing conduit 200. That is, there is a gap between the sensor body 110 and the ball passing pipe 200, and the sensor body 110 is not in contact with the ball passing pipe 200.
According to the ball passing counting device, the inner diameter of the sensor body 110 is larger than the outer diameter of the ball passing pipeline 200, so that a gap is formed between the sensor body 110 and the ball passing pipeline 200, and heat generated by the ball passing pipeline 200 can be dissipated through the gap, so that the temperature of the sensor body 110 is reduced, the sensor body 110 is prevented from being overhigh in temperature, and the counting reliability is further improved.
Illustratively, as shown in fig. 3, a mounting groove 121a is disposed on a side of the fixing ring 120 facing the sensor body 110, and the sensor body 110 is disposed in the mounting groove 121 a.
In the ball passing counting device of the embodiment of the disclosure, the mounting groove 121a is formed in the side, facing the sensor body 110, of the fixing ring 120, so that when the fixing ring 120 fixes the sensor body 110, dislocation between the sensor body 110 and the fixing ring 120 can be prevented.
Illustratively, as shown in FIG. 3, each retaining ring 120 includes two semicircular rings 121b, with the two semicircular rings 121b being connected by fasteners 140 as shown in FIG. 1.
As illustrated in fig. 3, for example, the end of each semicircular ring 121b is provided with a fixing plate 121c, and the fixing plate 121c is provided with a through hole 121d.
The fastener 140 is inserted into the through hole 121d to fix the fixing ring 120 to the ball passing pipe 200, and further fix the sensor body 110 to the ball passing pipe 200. That is, the two semicircular rings 121b are detachably connected, the two semicircular rings 121b are clamped on the outer side wall of the ball passing pipeline 200, then the two semicircular rings 121b are fixed by inserting the fastener 140 into the through hole 121d, and then the fixing ring 120 is fixed on the ball passing pipeline 200. The two semicircular rings 121b are detachably connected, so that the installation is convenient.
Specifically, in the present embodiment, the fastener 140 may be a bolt and a nut, the bolt passing through the through hole 121d, and then fixing the two semicircular rings 121b by screwing the nut on the bolt. Note that, the type of the fastener 140 is not particularly limited in this embodiment, and may be selected according to actual needs.
Illustratively, the fixing ring 120 is made of a non-heat conductive material, or the fixing ring 120 is made of a material with poor heat conductivity.
The fixing ring 120 is made of a non-heat-conductive material, so that heat generated by the ball passing pipeline 200 is further prevented from being transmitted to the sensor body 110 through the fixing ring 120, the temperature of the sensor body 110 is further reduced, and the reliability of counting is improved.
As shown in fig. 4, the controller 130 includes a signal acquisition unit 131, an excitation unit 132, a self-diagnosis unit 133, a signal output unit 134, and a microprocessor 135. The signal acquisition unit 131 pre-processes the coil induced voltage signal and the resistance signal of the thermal resistor input by the sensor body 110, amplifies and filters the voltage signal of the coil, analog-to-digital converts the thermal resistance signal, and outputs the signals to the microprocessor 135; the excitation unit 132 is used for receiving instructions of the frequency and phase angle of the microprocessor 135 and inputting excitation signals to the sensor body 110; the self-diagnosis unit 133 is configured to monitor performance of each component in the signal processing unit 131, send out alarm information if a fault is found, and directly determine a position of a fault point through a signal code. The microprocessor 135 implements the operation and judgment logic of the signals, and outputs the result to the signal output unit 134, and the signal output unit 134 may transmit the result to the DCS industrial control system.
It is to be understood that the above implementations are merely exemplary implementations employed to illustrate the principles of the disclosed embodiments, which are not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the embodiments of the disclosure, and these modifications and improvements are also considered to be within the scope of the embodiments of the disclosure.
Claims (10)
1. The ball passing counting device for the ball bed type high temperature gas cooled reactor is characterized by comprising a sensor body, two fixing rings and a controller;
the sensor body is sleeved on the outer side wall of the ball passing pipeline and is used for detecting ball passing signals in the ball passing pipeline; wherein,
the sensor body is of an integrated annular structure;
the two fixing rings are sleeved and fixed on the outer side wall of the ball passing pipeline, and the sensor body is clamped between the two fixing rings so as to fix the sensor body on the ball passing pipeline;
the controller is electrically connected with the sensor body and is used for receiving the ball passing signal and processing the ball passing signal.
2. The ball count assembly of claim 1 wherein a coil matrix is disposed within the sensor body, the coil matrix including at least three sets of coils; wherein,
the turns of each group of coils are identical, and the winding modes of each group of coils are identical.
3. The ball count assembly of claim 2 wherein a temperature detector is disposed within the sensor body;
the temperature detector is arranged close to the coil and is used for monitoring the temperature of the coil.
4. A ball count assembly according to claim 3 wherein the temperature detector is a thermal resistor which is replaceable on-line.
5. The ball count assembly of any one of claims 1-4 wherein the sensor body is provided with heat dissipating apertures.
6. The ball passing counter according to any one of claims 1 to 4, wherein the sensor body has an inner diameter dimension that is greater than an outer diameter dimension of the ball passing conduit.
7. The device according to any one of claims 1 to 4, wherein a mounting groove is provided in a side of the fixing ring facing the sensor body, and the sensor body is provided in the mounting groove.
8. The ball count assembly of any one of claims 1-4 wherein each of the retaining rings includes two semicircular rings, the two semicircular rings being connected by a fastener.
9. The ball passing counting device according to claim 8, wherein a fixing plate is arranged at the end of each semicircular ring, and a through hole is arranged on the fixing plate;
the fastener is inserted into the through hole so as to fix the fixing ring on the ball passing pipeline.
10. The ball count assembly of any one of claims 1-4 wherein the retaining ring is formed of a non-thermally conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322076420.5U CN220381606U (en) | 2023-08-03 | 2023-08-03 | Ball passing counting device applied to ball bed type high-temperature gas cooled reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322076420.5U CN220381606U (en) | 2023-08-03 | 2023-08-03 | Ball passing counting device applied to ball bed type high-temperature gas cooled reactor |
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| Publication Number | Publication Date |
|---|---|
| CN220381606U true CN220381606U (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322076420.5U Active CN220381606U (en) | 2023-08-03 | 2023-08-03 | Ball passing counting device applied to ball bed type high-temperature gas cooled reactor |
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| Country | Link |
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| CN (1) | CN220381606U (en) |
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2023
- 2023-08-03 CN CN202322076420.5U patent/CN220381606U/en active Active
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