CN220982954U - Reactor detachable seal structure hydrostatic test device - Google Patents
Reactor detachable seal structure hydrostatic test device Download PDFInfo
- Publication number
- CN220982954U CN220982954U CN202323029132.0U CN202323029132U CN220982954U CN 220982954 U CN220982954 U CN 220982954U CN 202323029132 U CN202323029132 U CN 202323029132U CN 220982954 U CN220982954 U CN 220982954U
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- sealing structure
- interface
- safety valve
- reactor
- seal structure
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- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 230000007306 turnover Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000002360 preparation method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model provides a reactor detachable sealing structure hydrostatic test device which comprises a cylindrical test tool cavity, wherein the side wall of the test tool cavity is connected with a sealing structure interface and a safety valve interface, the end wall of the test tool cavity is connected with a water inlet and outlet connector, the water inlet and outlet connector is sequentially connected with a stop valve, a buffer tank, a pressure pump and a water production system, the sealing structure interface is connected with a detachable sealing structure, and the safety valve interface is connected with a pressure gauge safety valve and is connected with the pressure pump through signals. The utility model has the advantages of improving the test safety, stability and test efficiency and meeting the hydraulic test requirement of the detachable sealing structure.
Description
Technical Field
The utility model relates to the technical field of nuclear power, in particular to a hydraulic test device for a detachable sealing structure of a reactor.
Background
The detachable sealing structure is one of key equipment of main equipment of the civil nuclear power pressurized water reactor, ensures the sealing between a reactor pressure vessel and an electronic instrument and meter during the operation of the reactor, can reduce the time of changing materials or overhauling and the exposure of nuclear radiation in a detachable mode, and the pressure-bearing member of the detachable sealing structure needs to be subjected to hydrostatic test verification after the manufacture or before the use so as to ensure the tightness.
The highest pressure of the existing hydrostatic test device is insufficient, and when the pressure value is too high, the adjusting capacity is weak, so that the test requirement cannot be met.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a hydraulic pressure test device with a detachable sealing structure for a reactor, which solves the problems of insufficient pressure value and weak adjusting capability of the hydraulic pressure test device in the prior art.
According to the embodiment of the utility model, the hydraulic test device with the detachable sealing structure for the reactor comprises a cylindrical test tool cavity, wherein the side wall of the test tool cavity is connected with a sealing structure interface and a safety valve interface, the end wall of the test tool cavity is connected with a water inlet and outlet connector, the water inlet and outlet connector is sequentially connected with a stop valve, a buffer tank, a booster pump and a water production system, the sealing structure interface is connected with a detachable sealing structure, and the safety valve interface is connected with a pressure gauge safety valve and is in signal connection with the booster pump.
Preferably, the inner wall of the sealing structure interface is provided with a stepped annular groove, the connecting surface of the annular groove at the innermost end and the inner wall of the sealing structure interface is a conical surface, the annular groove at the innermost end is provided with a rubber supporting ring with a right-angle trapezoid structure in cross section, and the rubber supporting ring is abutted against the bottom end of the detachable sealing structure.
Preferably, the movable end of the sealing structure interface is provided with an annular bulge, and the edge of the detachable sealing structure is connected with the annular bulge through a double-end stud.
Preferably, the pressure gauge safety valve is connected with the movable end of the safety valve connector through a safety valve connector, the connecting ends of the safety valve connector and the safety valve connector are respectively provided with an annular groove, a sealing ring is arranged in the annular groove, and the safety valve connector is connected with the safety valve connector through a double-end stud.
Preferably, a gasket is sleeved on the double-end stud.
Preferably, the water inlet and outlet connector is connected with the cavity of the test tool through a threaded hole, and the water inlet and outlet connector is positioned at one end of the cavity of the test tool, which is close to the interface of the sealing structure.
Preferably, the side wall of the test tool cavity is connected with lifting lugs, and the lifting lugs are positioned on two sides of the sealing structure interface and the safety valve interface.
Compared with the prior art, the utility model has the following beneficial effects:
The hydraulic test device for the detachable sealing structure is designed and manufactured by oneself, so that the problem of detecting the sealing performance of the detachable sealing structure is successfully solved, the hydraulic test device can simply and intuitively monitor the hydraulic test process, can meet the hydraulic test of the detachable sealing structure of various indexes under different pressure conditions, can safely and stably operate, can effectively ensure the sealing performance detection requirement before leaving a factory of the detachable sealing structure, can also provide efficient and quick equipment guarantee for detecting the sealing performance before product use, and ensures the manufacture and use of key products of components in a nuclear reactor.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic view of a construction structure according to an embodiment of the present utility model.
In the above figures: 1. a test tool cavity; 2. sealing the structural interface; 3. a safety valve interface; 4. a water inlet and outlet joint; 5. lifting the lifting lug; 6. an auxiliary fixing device; 7. rubber supporting rings; 8. a detachable sealing structure; 9. a seal ring; 10. a safety valve joint; 11. a double-end stud.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2. The utility model provides a reactor detachable sealing structure hydrostatic test device, which comprises a cylindrical test tool cavity 1, wherein the side wall of the test tool cavity 1 is connected with a sealing structure interface 2 and a safety valve interface 3, the end wall of the test tool cavity 1 is connected with a water inlet and outlet connector 4, the water inlet and outlet connector 4 is sequentially connected with a stop valve, a buffer tank, a booster pump and a water production system, the sealing structure interface 2 is connected with a detachable sealing structure 8, and the safety valve interface 3 is connected with a pressure gauge safety valve and is connected with a booster pump through signals.
The test tool cavity 1 is formed by welding two parts, a step hole is formed in the end part, close to the sealing structure interface 2, of the test tool cavity 1, an internal threaded hole is formed in the step hole, and the water inlet and outlet connector 4 is connected with the test tool cavity 1 through the internal threaded hole.
The sealing structure interface 2 and the safety valve interface 3 are connected to the side wall of the test tool cavity 1 in a welding mode; be provided with auxiliary fixing device 6 on test platform, auxiliary fixing device 6 becomes vice structure, and auxiliary fixing device 6 is two-part, divide into top and bottom, fixed test fixture cavity 1's top and bottom respectively, and auxiliary fixing device 6's appearance and test fixture cavity 1's appearance agree with.
As shown in fig. 1. The inner wall of the sealing structure connector 2 is provided with a stepped annular groove, the connecting surface of the annular groove at the innermost end and the inner wall of the sealing structure connector 2 is a conical surface, the annular groove at the innermost end is provided with a rubber supporting ring 7 with a right-angle trapezoid structure in cross section, and the rubber supporting ring 7 is abutted against the bottom end of the detachable sealing structure 8.
The rubber supporting ring 7 is extruded by the detachable sealing structure 8 and is used for sealing a gap between the detachable sealing structure 8 and the inner wall of the sealing structure interface 2, so that the installation tightness of the detachable sealing structure 8 is ensured; and the rubber supporting ring 7 can support the detachable sealing structure 8, so that the detachable sealing structure 8 is prevented from being suspended, and the safety and the accuracy of the test are ensured.
As shown in fig. 1. The movable end of the sealing structure interface 2 is provided with an annular bulge, and the edge of the detachable sealing structure 8 is connected with the annular bulge through a double-end stud 11.
One end of the double-end stud is directly matched with the internal thread counter bore in the annular bulge, the other end of the double-end stud is connected with a nut, and the detachable sealing structure 8 is locked through the nut.
As shown in fig. 1. The pressure gauge safety valve is connected with the movable end of the safety valve connector 3 through a safety valve connector 10, annular grooves are formed in the connecting ends of the safety valve connector 10 and the safety valve connector 3, sealing rings 9 are arranged in the annular grooves, and the safety valve connector 10 is connected with the safety valve connector 3 through a double-end stud 11.
The safety valve connector 3 has a limited thickness, so that through holes are formed, and nuts are connected to both ends of the stud 11 to fix the safety valve connector 10 on the safety valve connector 3.
As shown in fig. 1, in order to avoid loosening of the nut due to vibration. A gasket is sleeved on the double-end stud 11.
As shown in fig. 1. The water inlet and outlet connector 4 is connected with the test tool cavity 1 through a threaded hole, and the water inlet and outlet connector 4 is positioned at one end of the test tool cavity 1, which is close to the sealing structure interface 2.
As shown in fig. 1. And the side wall of the test tool cavity 1 is connected with lifting lugs 5, and the lifting lugs 5 are positioned on two sides of the sealing structure interface 2 and the safety valve interface 3.
When the hydraulic test device is used, the welded test tool cavity 1 is lifted to a hydraulic test site by utilizing the lifting lug 5, the sealing structure interface 2 and the safety valve interface 3 are ensured to vertically upwards, and the lower half part of the test tool cavity 1 is fixed by using the auxiliary fixing device 6.
And the upper half part of the auxiliary fixing device 6 is installed, the whole test tool cavity 1 is fixedly clamped through the upper half part and the lower half part, a threaded hole is formed in the auxiliary fixing device 6, and the test tool cavity 1 is fixed on a test platform through a double-end stud 11.
The rubber supporting ring 7 is arranged on the ring groove at the innermost side of the sealing structure interface 2, the bottom surface of the rubber supporting ring 7 is attached to the conical surface of the ring groove, the detachable sealing structure 8 is fixed on the sealing structure interface 2 by using a certain torque force through a double-end stud 11 and other fasteners, and the contact end surface of the detachable sealing structure 8 and the sealing structure interface 2 are tightly attached.
The seal ring 9 and the safety valve joint 10 are mounted on the safety valve interface 3 and fixed with a certain torque value through fasteners such as studs 11.
And a water inlet and outlet joint 4 is arranged.
The upper half part of the auxiliary fixing device 6 is loosened, the lifting lug 5 is used for rotating the test tool cavity 1 by 90 degrees until the water inlet and outlet joint 4 faces upwards, water is injected into the interior through the water preparation system until the water overflows out of the test tool cavity 1, and the gas in the test tool cavity 1 is discharged.
The stop valve is connected and locked, the test tool cavity 1 is rotated by 90 degrees to an initial state (a sealing structure interface 2 on the test tool cavity 1 faces upwards), the upper half part of the auxiliary fixing device 6 is installed, and after the test tool cavity 1 is clamped by the two parts of devices, the test tool cavity 1 is fixed on a test platform through fasteners such as studs 11 and nuts.
The stability of the system is checked by giving a certain initial pressure value through the water preparation system and maintaining a certain time.
After verification, a hydrostatic test of the removable seal 8 is performed.
Claims (7)
1. A reactor detachable seal structure hydrostatic test device which characterized in that: including cylindric test fixture cavity (1), test fixture cavity (1) lateral wall is connected with seal structure interface (2) and relief valve interface (3), and test fixture cavity (1) end wall is connected with business turn over water and connects (4), and business turn over water connects (4) and connects gradually stop valve, buffer tank, force (forcing) pump and water system, is connected with removable seal structure (8) on seal structure interface (2), and relief valve interface (3) are connected with the manometer relief valve and with force (forcing) pump signal connection.
2. The reactor removable seal structure hydrostatic test unit of claim 1, wherein: the inner wall of the sealing structure interface (2) is provided with a stepped annular groove, the connecting surface of the innermost annular groove and the inner wall of the sealing structure interface (2) is a conical surface, the innermost annular groove is provided with a rubber supporting ring (7) with a right-angle trapezoid cross section, and the rubber supporting ring (7) is abutted against the bottom end of the detachable sealing structure (8).
3. The reactor removable seal structure hydrostatic test unit of claim 2, wherein: the movable end of the sealing structure interface (2) is provided with an annular bulge, and the edge of the detachable sealing structure (8) is connected with the annular bulge through a double-end stud (11).
4. The reactor removable seal structure hydrostatic test unit of claim 1, wherein: the pressure gauge safety valve is connected with the movable end of the safety valve connector (3) through a safety valve connector (10), annular grooves are formed in the connecting ends of the safety valve connector (10) and the safety valve connector (3), sealing rings (9) are arranged in the annular grooves, and the safety valve connector (10) is connected with the safety valve connector (3) through a double-end stud (11).
5. A reactor removable seal structure hydrostatic test unit as defined in claim 3 or 4, wherein: and a gasket is sleeved on the double-end stud (11).
6. The reactor removable seal structure hydrostatic test unit of claim 1, wherein: the water inlet and outlet connector (4) is connected with the test tool cavity (1) through a threaded hole, and the water inlet and outlet connector (4) is positioned at one end, close to the sealing structure interface (2), of the test tool cavity (1).
7. The reactor removable seal structure hydrostatic test unit of claim 1, wherein: and the side wall of the test tool cavity (1) is connected with lifting lugs (5), and the lifting lugs (5) are positioned on two sides of the sealing structure interface (2) and the safety valve interface (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029132.0U CN220982954U (en) | 2023-11-09 | 2023-11-09 | Reactor detachable seal structure hydrostatic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323029132.0U CN220982954U (en) | 2023-11-09 | 2023-11-09 | Reactor detachable seal structure hydrostatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220982954U true CN220982954U (en) | 2024-05-17 |
Family
ID=91059493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323029132.0U Active CN220982954U (en) | 2023-11-09 | 2023-11-09 | Reactor detachable seal structure hydrostatic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220982954U (en) |
-
2023
- 2023-11-09 CN CN202323029132.0U patent/CN220982954U/en active Active
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