CN219657150U - Resistance simulation device for thermal hydraulic test piece - Google Patents
Resistance simulation device for thermal hydraulic test piece Download PDFInfo
- Publication number
- CN219657150U CN219657150U CN202320553514.4U CN202320553514U CN219657150U CN 219657150 U CN219657150 U CN 219657150U CN 202320553514 U CN202320553514 U CN 202320553514U CN 219657150 U CN219657150 U CN 219657150U
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- Prior art keywords
- guide tube
- test piece
- resistance
- hydraulic test
- hole
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- 238000012360 testing method Methods 0.000 title claims abstract description 77
- 238000004088 simulation Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000000903 blocking effect Effects 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 description 11
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a resistance simulation device for a thermal hydraulic test piece, which comprises a connecting tube, wherein connecting parts are arranged at two ends of the connecting tube, a water blocking plate is arranged in the connecting tube, the water blocking plate separates the inner space of the connecting tube, a plurality of through holes are formed in the water blocking plate, and a plurality of plugging pieces are also included, and the plugging pieces are matched with the through holes to plug the through holes.
Description
Technical Field
The utility model relates to the technical field of thermal hydraulic tests of nuclear reactors, in particular to a resistance simulation device for a thermal hydraulic test piece.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The thermal hydraulic test requires that working medium provided by a test bed be adjusted to required inlet and outlet parameters of a test piece. Before the test, whether the working envelope of the test bed meets the test requirement is judged. In the test process, aiming at the test parameter requirements, the main equipment parameters of the test bed are required to be estimated, the test time is shortened, and the technical risk in the test process is reduced.
The main method for evaluating whether the working envelope of the bench meets the test requirement in the current thermal hydraulic test is to judge according to theoretical analysis and empirical data. The lack of test support may lead to the risk that the test bed will not meet the test parameter requirements. The main method for estimating main equipment parameters of the test bed in the current thermal hydraulic test process is to directly install the test piece on the bed. And estimating main parameters of the test bed according to theoretical analysis and historical experience. Because the estimated parameters and the actual parameters have larger deviation, the debugging period of the later test is possibly increased, and the overtemperature and overpressure of the test piece in the test process are possibly caused, so that potential safety hazards are brought to the test.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a resistance simulation device for a thermal hydraulic test piece, which can simulate the resistance of the test piece and is used for evaluating whether a working envelope of a bench meets test requirements or not and estimating main equipment parameters of the test bench in the test process.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the embodiment of the utility model provides a resistance simulation device for a thermal hydraulic test piece, which comprises a connecting pipe, wherein connecting parts are arranged at two ends of the connecting pipe, a water blocking plate is arranged in the connecting pipe and divides the internal space of the connecting pipe, a plurality of through holes are formed in the water blocking plate, and a plurality of plugging pieces are also included, and are matched with the through holes to plug the through holes.
Optionally, the through hole includes a first hole portion and a second hole portion, wherein, the first hole portion is close to the water inlet side of the water blocking board, and the diameter of the first hole portion is greater than the diameter of the second hole portion, and the shutoff piece matches with the first hole portion.
Optionally, the first hole portion has an internal thread structure, and correspondingly, the plugging piece has an external thread structure, and the plugging piece can be in threaded connection with the water blocking plate through the first hole portion.
Optionally, the end of the blocking piece is provided with a rotation groove to facilitate rotation of the blocking piece by means of a tool.
Optionally, the rotating groove adopts a linear groove or a cross groove.
Optionally, the second hole portion adopts a light hole.
Optionally, the connecting piece adopts a flange plate.
Optionally, the water blocking plate divides the inner space of the guide tube into a first space and a second space, wherein the guide tube wall corresponding to the first space is provided with a first differential pressure guide tube for installing the water pressure detection element, and the guide tube wall corresponding to the second space is provided with a second differential pressure guide tube for installing the water pressure detection element.
Optionally, the guide tube adopts a cylindrical tube, and correspondingly, the water blocking plate adopts a circular plate.
Optionally, the water blocking plate and the guide tube are coaxially arranged.
The beneficial effects of the utility model are as follows:
1. according to the simulation device, the connecting pieces are arranged at the two ends of the connecting pipe and can be connected into a pipeline system of a hydraulic test, the water blocking plate is arranged in the connecting pipe and is provided with the through holes, the plugging pieces matched with the through holes are further arranged, the plugging pieces can be used for plugging the preset number of through holes, and a certain resistance can be applied to the flow of water by the water blocking plate, so that the resistance of the test piece is simulated, and therefore, the simulation device is used for evaluating whether a working envelope of the bench meets the test requirement or not and predicting main equipment parameters of the test bench in the test process, and potential safety hazards caused by over-temperature and over-pressure of the test piece in the test process are avoided.
2. According to the simulation device, the through hole comprises the first hole part and the second hole part, the diameter of the first hole part is larger than that of the second hole part, the blocking piece is arranged in the first hole part, the blocking piece can be limited by utilizing the step structure formed by the first hole part and the second hole part, and the blocking piece is prevented from being punched into the downstream under the action of water power to damage downstream test equipment.
3. According to the simulation device disclosed by the utility model, the plugging piece is in threaded connection with the through hole, the end part of the plugging piece is provided with the rotating groove, and the plugging piece can be installed under the condition that the water blocking plate is not detached, so that the operation is convenient and quick.
4. According to the simulation device, through the arrangement of the first differential pressure leading pipe and the second differential pressure leading pipe, the differential pressure of the upstream and downstream of the water blocking plate can be obtained, so that whether the simulation device accurately simulates the resistance of a test piece or not is judged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present utility model;
fig. 2 is a front view showing the distribution of through holes on a water-blocking board according to embodiment 1 of the present utility model;
FIG. 3 is a schematic view in the direction A of FIG. 2 of the present utility model;
FIG. 4 is a front view of a closure according to embodiment 1 of the present utility model;
FIG. 5 is a schematic view in the direction B of FIG. 4 in accordance with the present utility model;
FIG. 6 is a front view showing the use state of embodiment 1 of the present utility model;
FIG. 7 is a schematic view in the direction C of FIG. 6 in accordance with the present utility model;
the device comprises a guide pipe 1, a water blocking plate 2, a blocking piece 3, a straight line groove 3-1, a flange plate 4, a through hole 5, a first hole part 5-1, a second hole part 5-2, a first differential pressure guide pipe 6 and a second differential pressure guide pipe 7.
Detailed Description
Example 1
The embodiment provides a resistance simulation device for a thermal hydraulic test piece, which is shown in fig. 1 and comprises a guide tube 1, a water blocking plate 2 and a plurality of plugging pieces 3.
The connecting tube 1 is a cylindrical tube or a square tube, the connecting tube 1 is used for connecting into a pipeline system of a thermal hydraulic test, in this embodiment, the connecting tube 1 is a cylindrical tube, and it can be understood that a person skilled in the art can set the shape of the connecting tube according to actual needs.
The two ends of the connecting pipe 1 are provided with connecting pieces, and the connecting pipe can be connected into a pipeline system of a thermal hydraulic test through the connecting pieces.
In this embodiment, the flange 4 is adopted as the connecting piece, the flange 4 is matched with a pipeline flange in a pipeline system of the thermal hydraulic test, and the connecting pipe 1 can be fixedly connected with the pipeline system of the thermal hydraulic test through the flange 4 and bolts.
By adopting the arrangement mode, the whole simulation device is convenient to install and detach, and in other embodiments, the two ends of the connecting pipe 1 are connected into a pipeline system of a thermal hydraulic test in a welding mode.
The water blocking plate 2 is arranged in the guide tube 1, and the guide tube 1 is a cylindrical tube, so that the water blocking plate 2 is a circular plate, the water blocking plate 2 and the guide tube 1 are coaxially arranged, the outer edge of the water blocking plate 2 is fixedly welded with the inner tube surface of the guide tube 1, and it can be understood that the water blocking plate 2 can also be fixed with the inner tube surface of the guide tube 1 in a detachable mode such as a bolt.
As shown in fig. 2-3, the water-blocking plate 2 is a porous plate, which is provided with a plurality of through holes 5, and the through holes 5 penetrate through two plate surfaces of the water-blocking plate 2 along the axial direction of the water-blocking plate.
In this embodiment, the plurality of through holes 5 are distributed along a circular array on the water blocking plate 2.
One side of the water blocking plate 2 is a water inlet side, and the other side is a water outlet side. Wherein the water inlet side corresponds to the upstream of the water blocking plate 2, and the water outlet side corresponds to the downstream of the water blocking plate 2.
The through hole 5 adopts a stepped hole and comprises a first hole part 5-1 and a second hole part 5-2, wherein the first hole part 5-1 is arranged close to the water inlet side, and the diameter of the first hole part 5-1 is larger than that of the second hole part 5-2.
The plugging piece 3 is matched with the first hole part 5-1 in the direction, and after the plugging piece 3 is placed in the first hole part 5-1, the through hole 5 can be plugged.
In order to facilitate the installation of the plugging member, the first hole portion 5-1 is provided with an internal thread structure, and is an internal thread hole, the plugging member 3 is in a cylindrical structure, an external thread structure is arranged on the outer surface of the plugging member, and the plugging member 3 can be in threaded connection with the first hole portion 5-1 so as to realize plugging of the through hole 5.
As shown in fig. 4-5, the plugging 3 is provided with a rotating groove on the end face of one end close to the water inlet side, so that a worker can conveniently rotate the plugging by using a tool, and the plugging enters the first hole part.
The rotating groove adopts a straight line groove 3-1 or a cross groove which is matched with the rotating tool, and the rotating groove can be arranged according to actual needs by a person skilled in the art.
By adopting the arrangement mode, a worker can operate the end part of the plugging piece 3 to screw the plugging piece 3 into the first hole part 5-1 without detaching the water blocking plate 2, and the installation is convenient and quick.
In this embodiment, since the diameter of the first hole portion 5-1 is greater than that of the second hole portion 5-2, after the plugging piece 3 is screwed into the first hole portion 5-1, the end portion of the plugging piece close to the water outlet side can be abutted against the step structure formed between the first hole portion 5-1 and the second hole portion 5-2, so that the plugging piece 3 is limited, and the plugging piece 3 is prevented from being separated from the through hole 5 to enter the downstream of the water-blocking plate 2 under the action of hydraulic pressure difference at two ends of the water-blocking plate 2, and damage to downstream test equipment is avoided.
In order to reduce the resistance of the second hole portion 5-2 to the water flow, the second hole portion 5-2 adopts a light hole.
The water-blocking plate 2 divides the internal space of the guide tube 1 into a first space and a second space, wherein the first space corresponds to the upstream of the water-blocking plate, and the second space corresponds to the downstream of the water-blocking plate.
The first differential pressure guiding pipe 6 is fixed on the pipe wall of the guiding pipe 1 corresponding to the first space, the first differential pressure guiding pipe 6 is matched with the water pressure detecting element, and the guiding pipe 1 of the first space can be connected with the water pressure detecting element through the first differential pressure guiding pipe 6.
The second differential pressure leading pipe 7 is fixed on the pipe wall of the leading pipe 1 corresponding to the second space, the second differential pressure leading pipe 7 is matched with the water pressure detecting element, and the leading pipe 1 of the second space can be connected with the water pressure detecting element through the second differential pressure leading pipe 7.
The water pressure at the upstream and downstream of the water blocking plate 2 can be detected through the first differential pressure leading pipe 6, the second differential pressure leading pipe 7 and the corresponding water pressure detecting element, so that the differential pressure at the two sides of the water blocking plate 2 is obtained, and whether the resistance generated by the whole simulation device meets the requirement is judged.
The first differential pressure guiding pipe 6 and the second differential pressure guiding pipe 7 are welded and fixed with the guiding pipe 1, in other embodiments, the first differential pressure guiding pipe 6 and the second differential pressure guiding pipe 7 are fixed with the guiding pipe 1 through flanges and bolts, and the first differential pressure guiding pipe and the second differential pressure guiding pipe 7 can be set according to actual needs by those skilled in the art.
In the present embodiment, by adjusting the number of the through holes 5 blocked by the blocking member 3, the resistance generated by the water blocking plate 2 can be adjusted.
When the hydraulic pressure testing device is used, the connecting pipe 1 is connected into a pipeline system of the hydraulic pressure testing device through the flanges 4 at the two ends, so that the pipeline system of the hydraulic pressure testing device and the resistance simulation device form a closed loop, and the first differential pressure guiding pipe 6 and the second differential pressure guiding pipe 7 are both connected with the hydraulic pressure detecting element.
As shown in fig. 6 to 7, by measuring the upstream and downstream water pressures of the water blocking plate 2, it is possible to determine whether the resistance simulation apparatus of the present embodiment can simulate the resistance of the test piece, and when the generated resistance is smaller than the resistance of the simulation test piece, the introduction pipe 1 is detached, and then the set number of the blocking pieces 3 are inserted again until the pressure difference detected by the water pressure detecting element satisfies the resistance requirement of the simulation test piece, and when the generated resistance is larger than the resistance of the simulation test piece, the introduction pipe 1 is detached, and then the set number of the blocking pieces 3 are removed until the pressure difference detected by the water pressure detecting element satisfies the resistance requirement of the simulation test piece.
When the detected resistance meets the resistance requirement of the simulation test piece, whether the working envelope of the bench meets the experiment requirement or not can be evaluated, and main equipment parameters of the test bench can be estimated.
By adopting the resistance simulation device of the embodiment, the water blocking plate can be used for applying certain resistance to the flow of water, so that the simulation of the resistance of the simulated test piece is realized, and therefore, the device is used for evaluating whether the working envelope of the bench meets the test requirement or not and predicting the main equipment parameters of the test bench in the test process, and the potential safety hazard caused by the overtemperature and overpressure of the test piece in the test process is avoided.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The utility model provides a thermal hydraulic test spare resistance simulation device, its characterized in that, including connecing the guide tube, connect the both ends of guide tube all to be equipped with adapting unit, connect the inside board that blocks water that is provided with of guide tube, block water board will connect the inside space of guide tube and separate, block water board has seted up a plurality of through-holes, still includes a plurality of shutoff pieces, shutoff piece and through-hole assorted in order to realize the shutoff to the through-hole.
2. The thermal hydraulic test piece resistance simulation device according to claim 1, wherein the through hole comprises a first hole part and a second hole part, wherein the first hole part is close to the water inlet side of the water blocking plate, the diameter of the first hole part is larger than that of the second hole part, and the plugging piece is matched with the first hole part.
3. The device for simulating resistance of a thermal hydraulic test piece according to claim 2, wherein the first hole portion has an internal thread structure, and the blocking piece has an external thread structure, and the blocking piece is threadably connected to the water blocking plate through the first hole portion.
4. A thermodynamic hydraulic test piece resistance simulator according to claim 3 wherein the end of the closure is provided with a rotational groove to facilitate rotation of the closure by means of a tool.
5. The device for simulating resistance of a thermal hydraulic test piece according to claim 4, wherein the rotating grooves are linear grooves or cross grooves.
6. A thermal hydraulic test piece resistance simulation device according to claim 2, wherein the second hole portion is a smooth hole.
7. A thermal hydraulic test piece resistance simulator as defined in claim 1, wherein said connecting member is a flange.
8. The resistance simulator of a thermal hydraulic test piece according to claim 1, wherein the water blocking plate divides the inner space of the guide tube into a first space and a second space, wherein the guide tube wall corresponding to the first space is provided with a first differential pressure guide tube for installing the hydraulic pressure detecting element, and the guide tube wall corresponding to the second space is provided with a second differential pressure guide tube for installing the hydraulic pressure detecting element.
9. The device for simulating resistance of a thermal hydraulic test piece according to claim 1, wherein the guide tube is a cylindrical tube, and the water blocking plate is a circular plate.
10. The device for simulating resistance of a thermal hydraulic test piece according to claim 1, wherein the water blocking plate is coaxially arranged with the guide tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320553514.4U CN219657150U (en) | 2023-03-20 | 2023-03-20 | Resistance simulation device for thermal hydraulic test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320553514.4U CN219657150U (en) | 2023-03-20 | 2023-03-20 | Resistance simulation device for thermal hydraulic test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657150U true CN219657150U (en) | 2023-09-08 |
Family
ID=87878965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320553514.4U Active CN219657150U (en) | 2023-03-20 | 2023-03-20 | Resistance simulation device for thermal hydraulic test piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657150U (en) |
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2023
- 2023-03-20 CN CN202320553514.4U patent/CN219657150U/en active Active
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