CN113889290B - Leakage flow test device for horizontal partition plate of reactor - Google Patents
Leakage flow test device for horizontal partition plate of reactor Download PDFInfo
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- CN113889290B CN113889290B CN202111203673.3A CN202111203673A CN113889290B CN 113889290 B CN113889290 B CN 113889290B CN 202111203673 A CN202111203673 A CN 202111203673A CN 113889290 B CN113889290 B CN 113889290B
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- pipe section
- leak
- leakage
- cavity
- free end
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- 238000005192 partition Methods 0.000 title claims abstract description 68
- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 6
- 238000007906 compression Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/001—Mechanical simulators
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/002—Detection of leaks
-
- 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
Abstract
In order to solve the technical problem of high cost caused by independently designing a test device aiming at each gap size in the prior art, the embodiment of the invention provides a reactor horizontal baffle leakage flow test device, which comprises a device body; the device body includes: the second pipe section, one end of the second pipe section is sealed; the first pipe section is detachably and hermetically connected with the opening end of the second pipe section through a leak size adjusting ring; the first partition plate is arranged in the first pipe section and is used for dividing the first pipe section into an inlet cavity and an outlet cavity; the second partition plate is arranged in the second pipe section and is used for dividing the second pipe section into an inlet cavity and an outlet cavity; the leakage seam is arranged between two ends, which are close to each other, of the first partition board and the second partition board; the inlet cavity of the first partition board is communicated with the inlet cavity of the second partition board, and the outlet cavity of the first partition board is communicated with the outlet cavity of the second partition board; the first pipe section is communicated with the second pipe section through a leak. According to the embodiment of the invention, the size of the leakage is adjusted by replacing the leakage size adjusting ring.
Description
Technical Field
The invention relates to a leakage flow test device for a horizontal partition plate of a reactor.
Background
The reactor horizontal baffle leakage flow test is a sub-item of the reactor side leakage flow test, and belongs to the category of reactor hydraulics tests. The horizontal baffle leakage flow test needs to study leakage flow resistance coefficients under various different gap sizes, and if a test device is designed for each gap size separately, a plurality of test devices need to be designed and manufactured to complete the tests of the various gap sizes, so that the test cost is too high.
Disclosure of Invention
In order to solve the technical problem of high cost caused by separately designing a test device aiming at each gap size in the prior art, the embodiment of the invention provides a reactor horizontal baffle leakage flow test device.
The embodiment of the invention is realized by the following technical scheme:
a leakage flow test device for a horizontal partition plate of a reactor comprises a device body; the device body includes:
the second pipe section, one end of the second pipe section is sealed;
the first pipe section is detachably and hermetically connected with the opening end of the second pipe section through a leak size adjusting ring;
the first partition plate is arranged in the first pipe section and is used for dividing the first pipe section into an inlet cavity and an outlet cavity;
the second partition plate is arranged in the second pipe section and is used for dividing the second pipe section into an inlet cavity and an outlet cavity; and
the leakage seam is arranged between two ends, which are close to each other, of the first partition board and the second partition board;
the inlet cavity of the first partition board is communicated with the inlet cavity of the second partition board, and the outlet cavity of the first partition board is communicated with the outlet cavity of the second partition board; the first pipe section is communicated with the second pipe section through a leak.
Further, the two ends of the first partition plate and the second partition plate, which are close to each other, are flush.
Further, the leak size adjusting ring is any one of a plurality of connecting rings with different thickness specifications.
Further, the inlet cavity of the first pipe section is connected with an inlet pipe, and the outlet cavity of the first pipe section is connected with an outlet pipe.
Further, the inlet cavity of the first pipe section and the outlet cavity of the first pipe section are respectively provided with a pressure guiding pipe which is convenient for detecting pressure.
Further, an exhaust pipe is arranged in the inlet cavity of the second pipe section.
Further, the leak is arranged in the first pipe section or the second pipe section.
Further, the free end of the first partition plate extends into the free end of the second partition plate, and the leakage seam is arranged between the free end of the first partition plate and the free end of the second partition plate.
Further, the free end of the second partition plate extends into the free end of the first partition plate, and the leakage seam is arranged between the free end of the first partition plate and the free end of the second partition plate.
Further, the leak comprises two transverse slits and a vertical slit; two ends of the vertical seam are respectively communicated with one transverse seam.
Compared with the prior art, the embodiment of the invention has the following advantages and beneficial effects:
according to the leakage flow test device for the horizontal partition plate of the reactor, provided by the embodiment of the invention, the first pipe section, the second pipe section and the leakage size adjusting ring are detachably connected in a sealing manner, so that the leakage size is adjusted by replacing the leakage size adjusting ring when the leakage size is required to be adjusted, and the technical problem of high cost caused by independently designing the test device for each gap size in the prior art is solved.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the drawings that are needed in the examples will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and that other related drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a reactor horizontal separator leakage flow test apparatus.
Fig. 2 is a schematic view of the cross-sectional structure B-B of fig. 1.
Fig. 3 is a schematic view of the D-D cross-sectional structure of fig. 1.
In the drawings, the reference numerals and corresponding part names:
1-inlet pipe, 2-front baffle, 3-front pipe section, 4-front baffle, 5-pressure guiding pipe, 6-pin, 7-compression ring, 8-exhaust pipe, 9-rear baffle, 10-rear baffle, 11-rear pipe section, 12-O-shaped sealing ring, 13-outlet pipe and 14-leakage.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: no such specific details are necessary to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail in order not to obscure the invention.
Throughout the specification, references to "one embodiment," "an embodiment," "one example," or "an example" mean: a particular feature, structure, or characteristic described in connection with the embodiment or example is included within at least one embodiment of the invention. Thus, the appearances of the phrases "in one embodiment," "in an example," or "in an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Moreover, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and that the illustrations are not necessarily drawn to scale. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
Examples
In order to solve the technical problem of high cost caused by separately designing a test device aiming at each gap size in the prior art, referring to fig. 1-3, the embodiment of the invention provides a reactor horizontal baffle leakage flow test device, which comprises a device body; the device body includes: the second pipe section, one end of the second pipe section is sealed; the first pipe section is detachably and hermetically connected with the opening end of the second pipe section through a leak size adjusting ring; the first partition plate is arranged in the first pipe section and is used for dividing the first pipe section into an inlet cavity and an outlet cavity; the second partition plate is arranged in the second pipe section and is used for dividing the second pipe section into an inlet cavity and an outlet cavity; the leakage seam is arranged between two ends, which are close to each other, of the first partition board and the second partition board; the inlet cavity of the first partition board is communicated with the inlet cavity of the second partition board, and the outlet cavity of the first partition board is communicated with the outlet cavity of the second partition board; the first pipe section is communicated with the second pipe section through a leak.
Referring to fig. 1-3, the device body comprises a front pipe section 3 and a rear pipe section 11, the end section of the rear pipe section is sealed by a rear baffle 9; the rear baffle is connected with the tail section of the rear pipe section in a sealing way; the front pipe section and the rear pipe section are detachably and hermetically connected through a leak size adjusting ring; the size of the leakage seam adjusting ring is a ring which plays a role in adjusting the size of the leakage seam, for example, the size of the leakage seam adjusting ring can be a clamping ring 7, the thickness S of the clamping ring is required to be designed to be larger than 5mm, the rigidity and the flatness of a machining surface are guaranteed, a plurality of pieces 7 of clamping rings with different thicknesses S are machined, and the gap size G of the front partition plate and the back partition plate is adjusted by changing the thicknesses S of the pieces 7.
A front partition board 4 is arranged in the front pipe section 3, a rear partition board 10 is arranged in the rear pipe section 11, and the front partition board divides the interior of the front pipe section into an inlet cavity and an outlet cavity; the rear partition plate divides the rear pipe section into an inlet cavity and an outlet cavity; the inlet cavity at the upper part of the front pipe section is communicated with the inlet cavity at the upper part of the rear pipe section; the outlet cavity at the lower part of the front pipe section is communicated with the outlet cavity at the lower part of the rear pipe section; the inlet cavity of the upper part is communicated with the outlet cavity of the lower part through a leak.
The leak is formed between the right end of the front bulkhead and the left end of the rear bulkhead. Optionally, the fluid is water; the inlet cavity and the outlet cavity are communicated with each other only within the range of the gap width T, water is allowed to pass through, and after the rest part is welded and sealed on the inner wall of the pipeline, no gap is reserved between the inlet cavity and the outlet cavity.
The principle of regulation is shown with reference to fig. 3. When the thicknesses of the leak size adjusting rings are different, the distances between the right end of the front pipe section and the left end of the rear pipe section are different, so that the distances between the right end of the front partition plate and the right end of the rear partition plate are different, and the leak is formed between the right end of the front partition plate and the left end of the rear partition plate, so that the sizes of the leak are different when the distances between the right end of the front partition plate and the right end of the rear partition plate are different; therefore, the gap between the right end of the front pipe section and the left end of the rear pipe section can be changed by selecting the leak size adjusting rings with different thicknesses so as to realize the adjustment of the leak size.
Through the detachable sealing connection of the leak size adjusting ring with the front pipe section and the rear pipe section, the purpose of being convenient for change the leak size adjusting ring is realized, thereby realizing the purpose of being convenient for adjust the leak size, and meeting the test on the leak size requirement.
Therefore, the embodiment of the invention realizes the adjustment of the size of the leakage through changing the size adjusting ring of the leakage when the size of the leakage needs to be adjusted through the detachable sealing connection of the first pipe section, the second pipe section and the size adjusting ring of the leakage, thereby solving the technical problem of high cost caused by independently designing a test device aiming at each size of the leakage in the prior art.
Further, the two ends of the first partition plate and the second partition plate, which are close to each other, are flush.
Referring to fig. 1, the right end of the front bulkhead 4 is flush with the left end of the rear bulkhead 10.
In order to facilitate the convenient adjustment of the size of each leak, the leak size adjusting ring is any one of a plurality of connecting rings with different thickness specifications; therefore, the size of the leakage gap is adjusted by conveniently selecting the connecting ring with the corresponding thickness according to the test requirement. The thickness of the connecting ring refers to the length of the connecting ring in the direction of the first pipe section and the second pipe section. Alternatively, the connection ring is sealingly connected to the first and second pipe sections by O-ring seals 12 and is secured between the first and second pipe sections by pins 6. And after all form and position tolerances of the total assembly meet the requirements, the pin is matched to ensure the repeated disassembly and assembly consistency of the test model.
The back plate 9 is not welded firstly during the first final assembly, and the back plate 9 is welded after the measured gap size G meets the requirement. If necessary, the thickness S of the clamp ring 7 can be adjusted by grinding, and then the assembly is performed again until the actual measurement gap size G meets the requirement, and then the rear baffle plate 9 is welded.
The front pipe section, the rear pipe section and the compression ring are sealed through the O-shaped sealing ring 12, and the metal surfaces on two sides are required to be completely attached and compressed during each assembly, so that the one-to-one correspondence between the thickness S and the gap size G can be ensured.
Further, the inlet chamber of the first pipe section is connected with an inlet pipe, and the outlet chamber of the first pipe section is connected with an outlet pipe 13.
Referring to fig. 1, the inlet chamber of the front pipe section 3 is connected with an inlet pipe 1, optionally connected to the front pipe section by a front baffle 2 and communicating with the inlet chamber of the front pipe section 3; the outlet chamber of the front pipe section is connected with an outlet pipe 13 through a front baffle 2.
After the inlet pipe and the outlet pipe of the test device are in butt joint with the test loop, corresponding test working conditions are established, and the horizontal baffle leakage flow test research can be carried out.
In order to facilitate the measurement of the pressure inside the first pipe section and the second pipe section, the inlet chamber of the first pipe section and the outlet chamber of the first pipe section are respectively provided with a pressure guiding pipe 5 which facilitates the detection of the pressure.
Referring to fig. 1, pressure guiding pipes 5 are respectively arranged at the positions P1 and P2, and the pressure of the fluid in the pressure guiding pipes is detected to realize the detection of the pressure of the inlet cavity of the front pipe section and the pressure of the outlet cavity of the front pipe section. Two pressure measuring points P1 and P2 are arranged through a pressure guiding pipe and are used for measuring differential pressure at two sides of a leakage seam of a horizontal partition board leakage flow test.
Further, the inlet chamber of the second pipe section is provided with an exhaust pipe 8. The exhaust operation can be performed inside the test model through the exhaust pipe.
Further, the leak is arranged in the first pipe section or the second pipe section.
Referring to fig. 1, the location of the leak is provided in the second pipe section, alternatively the location of the leak may also be provided in the first pipe section.
The first implementation mode is that the free end of the first partition board stretches into the free end of the second partition board, and the leak is arranged between the free end of the first partition board and the free end of the second partition board.
Referring to fig. 1, the right end of the front bulkhead 4 extends into the left end of the rear bulkhead 10, and a leak is provided between the right end of the front bulkhead 4 and the left end of the bulkhead 10. Or alternatively, the front bulkhead may have a length greater than the rear bulkhead.
The second implementation mode is that the free end of the second partition board stretches into the free end of the first partition board, and the leak is arranged between the free end of the first partition board and the free end of the second partition board.
Alternatively, the right end of the front bulkhead 4 extends into the left end of the rear bulkhead 10, and the left end of the rear bulkhead 10 extends into the right end of the front bulkhead 4.
Or alternatively, the length of the rear bulkhead is greater than the length of the front bulkhead.
Optionally, the leak comprises two transverse slits and one vertical slit; two ends of the vertical seam are respectively communicated with one transverse seam.
Referring to fig. 3, the cross section of the slit 14 has a rectangular structure with one side opened, that is, includes two transverse slits and one vertical slit, and two ends of the vertical slit are respectively connected with the one transverse slit.
During actual assembly, the gap size G of the total assembly can be actually measured, so that the gap size can meet the test requirement; the pin 6 can control the assembly form and position tolerance of the test device and ensure the assembly consistency of repeated disassembly and assembly; the parallelism of the front bulkhead 4 and the rear bulkhead 10 and the centring, the centring of the front tube section 3, the clamp ring 7 and the rear tube section 11 are ensured.
Therefore, according to the embodiment of the invention, a test device is not required to be designed for each gap size, and simulation of a plurality of gap sizes G is realized in one set of test device; therefore, the embodiment of the invention can lay a foundation for smoothly carrying out the leakage flow test of the horizontal partition plate of the reactor.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. The leakage flow test device for the horizontal partition plate of the reactor is characterized by comprising a device body; the device body includes:
the second pipe section, one end of the second pipe section is sealed;
the first pipe section is detachably and hermetically connected with the opening end of the second pipe section through a leak size adjusting ring;
the first partition plate is arranged in the first pipe section and is used for dividing the first pipe section into an inlet cavity and an outlet cavity;
the second partition plate is arranged in the second pipe section and is used for dividing the second pipe section into an inlet cavity and an outlet cavity; and
the leakage seam is arranged between two ends, which are close to each other, of the first partition board and the second partition board;
the inlet cavity of the first pipe section is communicated with the inlet cavity of the second pipe section, and the outlet cavity of the first pipe section is communicated with the outlet cavity of the second pipe section; the inlet cavity is communicated with the outlet cavity through a leak;
the leak size adjusting ring is any one of a plurality of connecting rings with different thickness specifications.
2. The reactor horizontal separator plate leakage flow test apparatus according to claim 1, wherein the two ends of the first and second separator plates adjacent to each other are flush.
3. The reactor horizontal separator leakage flow test apparatus according to claim 1, wherein the inlet chamber of the first tube section is connected to an inlet tube, and the outlet chamber of the first tube section is connected to an outlet tube.
4. The reactor horizontal separator leakage flow test apparatus according to claim 1, wherein the inlet chamber of the first pipe section and the outlet chamber of the first pipe section are respectively provided with a pressure guiding pipe for facilitating pressure detection.
5. The reactor horizontal separator leakage flow test apparatus according to claim 1, wherein the inlet chamber of the second tube section is provided with an exhaust tube.
6. The reactor horizontal separator leak testing apparatus of claim 1, wherein the leak is disposed in the first tube section or the second tube section.
7. The reactor horizontal separator plate leakage flow test apparatus according to claim 6, wherein the free end of the first separator plate extends into the free end of the second separator plate, and the leakage is disposed between the free end of the first separator plate and the free end of the second separator plate.
8. The reactor horizontal separator plate leakage flow test apparatus according to claim 6, wherein the free end of the second separator plate extends into the free end of the first separator plate, and the leakage is provided between the free end of the first separator plate and the free end of the second separator plate.
9. The reactor horizontal separator leak testing apparatus of claim 1, wherein the leak comprises two transverse slots and one vertical slot; two ends of the vertical seam are respectively communicated with one transverse seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203673.3A CN113889290B (en) | 2021-10-15 | 2021-10-15 | Leakage flow test device for horizontal partition plate of reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203673.3A CN113889290B (en) | 2021-10-15 | 2021-10-15 | Leakage flow test device for horizontal partition plate of reactor |
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| Publication Number | Publication Date |
|---|---|
| CN113889290A CN113889290A (en) | 2022-01-04 |
| CN113889290B true CN113889290B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111203673.3A Active CN113889290B (en) | 2021-10-15 | 2021-10-15 | Leakage flow test device for horizontal partition plate of reactor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723441A (en) * | 1985-11-07 | 1988-02-09 | Ply-Flow Engineering, Inc. | Piping system for hazardous fluids |
| CN201310708Y (en) * | 2008-08-13 | 2009-09-16 | 中国石油天然气股份有限公司 | Pipeline spiral weld defect repairing structure |
| CN104180967A (en) * | 2013-05-28 | 2014-12-03 | 中国原子能科学研究院 | Outside-reactor experimental section for component |
| CN205940904U (en) * | 2016-08-12 | 2017-02-08 | 中国航空工业集团公司沈阳发动机设计研究所 | A leak characteristic test device for W ring between turbine casing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3217132B1 (en) * | 2016-03-07 | 2018-09-05 | Bosal Emission Control Systems NV | Plate heat exchanger and method for manufacturing a plate heat exchanger |
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2021
- 2021-10-15 CN CN202111203673.3A patent/CN113889290B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4723441A (en) * | 1985-11-07 | 1988-02-09 | Ply-Flow Engineering, Inc. | Piping system for hazardous fluids |
| CN201310708Y (en) * | 2008-08-13 | 2009-09-16 | 中国石油天然气股份有限公司 | Pipeline spiral weld defect repairing structure |
| CN104180967A (en) * | 2013-05-28 | 2014-12-03 | 中国原子能科学研究院 | Outside-reactor experimental section for component |
| CN205940904U (en) * | 2016-08-12 | 2017-02-08 | 中国航空工业集团公司沈阳发动机设计研究所 | A leak characteristic test device for W ring between turbine casing |
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| CN113889290A (en) | 2022-01-04 |
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