CN111584105A - Underwater dynamic pressure sensor mounting device - Google Patents
Underwater dynamic pressure sensor mounting device Download PDFInfo
- Publication number
- CN111584105A CN111584105A CN202010427181.1A CN202010427181A CN111584105A CN 111584105 A CN111584105 A CN 111584105A CN 202010427181 A CN202010427181 A CN 202010427181A CN 111584105 A CN111584105 A CN 111584105A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- dynamic pressure
- underwater
- sleeve
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 238000009413 insulation Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/032—Reactor-coolant flow measuring or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- 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
The invention aims to disclose an underwater dynamic pressure sensor mounting device, which comprises a mounting base, a hollow sleeve support and a T-shaped sleeve, wherein the mounting base is welded on the inner surface of an IRWST water tank; compared with the prior art, the method can be adjusted according to the applicability of a specific installation carrier, effectively reduces the influence of temporary device installation on formal equipment of a unit, reduces the distance between the flow surface of the dynamic pressure sensor and the inner wall of the IRWST water tank, ensures that the parallelism of the data measured by the dynamic pressure sensor and the inner wall surface of the IRWST water tank is consistent, realizes that the dynamic impact load of the data measured by the sensor and the inner wall surface of the IRWST water tank is consistent, and achieves the aim of the invention.
Description
Technical Field
The invention relates to an underwater dynamic pressure sensor mounting device, in particular to an underwater dynamic pressure sensor mounting device for debugging a passive core cooling system of an AP/CAP subsequent project.
Background
A passive core cooling system (hereinafter referred to as PXS) is used as a special safety system of an AP/CAP series nuclear power plant, an automatic pressure relief system ADS123 level emission test of the system belongs to a key precondition for a unit to enter a charging stage, is a key point and a key point of nuclear island debugging, and is also an important test for verifying related functions of nuclear safety of the system.
Based on a PXS system containment built-in refueling water tank (hereinafter, IRWST) water tank design structure, the inner wall of the water tank does not have any available pressure measuring point, and meanwhile, no available existing structure can be provided with an underwater dynamic pressure sensor required by a test. In order to ensure that an ADS 123-level discharge test can be normally carried out and truly and effectively measure the dynamic load generated on the inner wall of the IRWST water tank during the discharge of the automatic pressure relief system, a tool for installing a dynamic pressure sensor needs to be temporarily additionally arranged on the inner wall of the water tank, so that the data measurement of the test dynamic load is realized, and the data measurement is used for analyzing related nuclear safety functions of the PXS system.
If the special underwater dynamic pressure sensor is not designed in the ADS 123-level discharge test of the automatic pressure relief system, the insufficient reliability of the installation of the dynamic pressure sensor, the insufficient waterproof sealing performance of the instrument, the insufficient parallelism between the pressure sensing surface of the sensor and the underwater inner part and the like can occur. Any problem of the instrument during the test can cause that the test data can not be really and effectively collected, and the relevant functions of the nuclear safety of the system can not be effectively verified and analyzed.
Therefore, there is a particular need for an underwater dynamic pressure sensor mounting apparatus that solves the above-mentioned problems of the prior art.
Disclosure of Invention
The invention aims to provide an underwater dynamic pressure sensor mounting device, aiming at the defects of the prior art, the underwater sealing reliability is high after an instrument is mounted, the supporting safety of a hollow sleeve is good, the matching performance of the design of the head-on flow surface and a dynamic pressure sensor is good, the underwater dynamic pressure sensor mounting device can be adaptively adjusted according to the structure of a mounting carrier, and the underwater dynamic pressure sensor mounting device can be well applied to the ADS 123-level emission test of the automatic pressure relief system of a nuclear power plant in the same reactor or the underwater dynamic load test during other bench tests.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
the utility model provides an underwater dynamic pressure sensor installation device, its characterized in that, it includes mounting base, cavity sleeve pipe support and T type sleeve pipe, mounting base welds on the internal surface of IRWST water tank, the bottom vertical fixation that the cavity sleeve pipe supported is in on the mounting base, the top vertical fixation that the cavity sleeve pipe supported has T type sheathed tube head-on surface, be provided with dynamic pressure sensor's body in the cavity sleeve pipe supports, dynamic pressure sensor's pressure membrane setting is in on T type sheathed tube head-on surface, dynamic pressure sensor's cable is followed lead out in the cavity sleeve pipe supports.
In one embodiment of the invention, the top of the hollow casing support is connected with the upstream side of the T-shaped casing by a threaded connection.
In one embodiment of the invention, the hollow sleeve supports a length that matches the length of the dynamic pressure sensor body.
In one embodiment of the invention, the hollow sleeve support is embedded with a rubber insulation layer, and the body of the dynamic pressure sensor is arranged in the rubber insulation layer.
In one embodiment of the invention, the flow-facing surface of the T-shaped sleeve is a smooth plane, and an opening is formed in the center of the flow-facing surface of the T-shaped sleeve, and a pressure sensing diaphragm of a dynamic pressure sensor is mounted in the opening.
In one embodiment of the invention, the outer side of the cable of the dynamic pressure sensor is provided with a waterproof sealing soft sleeve.
Compared with the prior art, the underwater dynamic pressure sensor mounting device can be adjusted according to the applicability of a specific mounting carrier, effectively reduces the influence of temporary device mounting on formal equipment of a unit, reduces the distance between the upstream surface of the dynamic pressure sensor and the inner wall of an IRWST water tank, ensures that the parallelism of the data measured by the dynamic pressure sensor and the inner wall of the IRWST water tank is consistent, the upstream surface of a T-shaped sleeve realizes the sealing between the dynamic pressure sensor and the upstream surface, the parallelism is consistent with the underwater inner surface of the IRWST, the upstream surface can well reduce the influence on the dynamic impact pressure, realizes the consistency of the data measured by the sensor and the dynamic impact load of the inner wall of the IRWST water tank, and the waterproof sealing soft sleeve seals the cables of the dynamic pressure sensor and the connecting end part of the cable and the body, thereby preventing the dynamic pressure sensor from entering water due to the tail end in the test execution process, the purpose of the invention is achieved.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
Fig. 1 is a schematic structural view of an underwater dynamic pressure sensor mounting device of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Examples
As shown in fig. 1, the underwater dynamic pressure sensor mounting device of the present invention comprises a mounting base 2, a hollow sleeve support 3 and a T-shaped sleeve, wherein the mounting base 2 is welded on an inner surface 1 of an IRWST water tank, the bottom of the hollow sleeve support 3 is vertically fixed on the mounting base 2, the top of the hollow sleeve support 3 is vertically fixed with a flow-facing surface 4 of the T-shaped sleeve, a body of a dynamic pressure sensor 5 is arranged in the hollow sleeve support 3, a pressure film sheet of the dynamic pressure sensor 5 is arranged on the flow-facing surface 4 of the T-shaped sleeve, and a cable of the dynamic pressure sensor 5 is led out from the hollow sleeve support 3.
The material selection, the size and the surface flatness of the mounting base 2 are consistent with those of the inner surface 1 of the IRWST water tank, the material selection is consistent with that of the inner wall material of the water tank, so that the corrosion influence on formal equipment can not be generated during the use period after welding, and the safety of the formal equipment is ensured; the sensor is connected with the inner wall of the IRWST water tank through welding, so that the sensor cannot be damaged under the washing load of 5MPa and the temperature gradient of 150 ℃, and a reliable guarantee is provided for the structural stability of the dynamic pressure sensor 5.
The hollow sleeve support 3 is customized and processed according to the structural size of the dynamic pressure sensor 5, the interior of the hollow sleeve support is hollow, a bag-shaped structure is formed, the size of the bag-shaped structure can be just suitable for installation of the dynamic pressure sensor 5, the size of the hollow sleeve support 3 is small enough, the distance between the head-on surface 4 of the T-shaped sleeve and the inner surface 1 of the IRWST water tank is reduced, and the consistency of data measured by the dynamic pressure sensor 5 and dynamic impact load borne by the inner wall of the water tank is achieved. The rubber insulation protective layer is embedded in the hollow sleeve support 3, absolute insulation between the dynamic pressure sensor 5 and the hollow sleeve support 3 is achieved, interference to the dynamic pressure sensor 5 is reduced, and stability of the dynamic pressure sensor 5 is guaranteed.
The size of the incident flow surface 4 of the T-shaped sleeve is designed according to the size and the structure of a pressure sensing diaphragm of the dynamic pressure sensor 5, the incident flow surface 4 of the T-shaped sleeve is a smooth plane, a hole is formed in the center of the incident flow surface 4 of the T-shaped sleeve for mounting the dynamic pressure sensor 5, the dynamic pressure sensor 5 and the flow surface 4 of the T-shaped sleeve are sealed, the surface of the flow surface 4 of the T-shaped sleeve is smooth enough and flat, the surface is equivalent to the inner wall of an IRWST water tank, dynamic impact pressure diffusion is facilitated, measurement inaccuracy of the dynamic pressure sensor 5 is reduced, the T-shaped sleeve is of a hollow design and is provided with an internal thread structure, the thread size is matched with that of a hollow sleeve support 3 on the mounting base 2, the flow surface of the T-shaped sleeve is parallel to the inner wall of the IRWST water tank after the flow surface 4 of the T-shaped sleeve is mounted, the direction of dynamic impact load measured by the dynamic pressure sensor 5 is guaranteed to be the same as that of the inner wall of the IRWST water tank, and data measured by the dynamic pressure sensor 5 is guaranteed to.
The waterproof sealing soft sleeve 6 is connected with the hollow sleeve support 3, a signal transmission cable of the dynamic pressure sensor 5 enters the waterproof sealing soft sleeve 6 through the hollow sleeve support 3 and is led out of the water surface, the instrument and the cable are well sealed underwater, and the instrument is prevented from losing efficacy due to water entering the instrument during long-time underwater soaking.
The underwater dynamic pressure sensor mounting device disclosed by the invention can well realize reliable mounting, instrument insulation, instrument water prevention and the like of the underwater dynamic pressure sensor during an ADS 123-level emission test, and meanwhile, the structural applicability adjustment can realize the consistency of data measured by the instrument and dynamic load borne by the inner wall of the IRWST water tank, so that the safety, reliability and data consistency of the instrument are ensured.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (6)
1. The utility model provides an underwater dynamic pressure sensor installation device, its characterized in that, it includes mounting base, cavity sleeve pipe support and T type sleeve pipe, mounting base welds on the internal surface of IRWST water tank, the bottom vertical fixation that the cavity sleeve pipe supported is on mounting base, the top vertical fixation that the cavity sleeve pipe supported has T type sheathed tube head-on face, be provided with dynamic pressure sensor's body in the cavity sleeve pipe supports, dynamic pressure sensor's pressure sensing diaphragm sets up on T type sheathed tube head-on face, dynamic pressure sensor's cable is followed lead out in the cavity sleeve pipe supports.
2. The underwater dynamic pressure sensor mounting device according to claim 1, wherein a top portion of the hollow sleeve support is connected to a flow surface of the T-shaped sleeve by means of a screw connection.
3. An underwater dynamic pressure sensor mounting apparatus as claimed in claim 1, wherein the hollow sleeve supports a length matching a length of the dynamic pressure sensor body.
4. An underwater dynamic pressure sensor mounting apparatus as claimed in claim 1, wherein the hollow sleeve support has a rubber insulating layer embedded therein, and the body of the dynamic pressure sensor is disposed within the rubber insulating layer.
5. The underwater dynamic pressure sensor mounting device according to claim 1, wherein the flow surface of the T-shaped sleeve is a smooth plane, an opening is provided at a central position of the flow surface of the T-shaped sleeve, and a pressure sensing diaphragm of the dynamic pressure sensor is mounted in the opening.
6. The underwater dynamic pressure sensor mounting apparatus according to claim 1, wherein a waterproof sealing soft sleeve is provided on an outer side of the cable of the dynamic pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010427181.1A CN111584105B (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010427181.1A CN111584105B (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111584105A true CN111584105A (en) | 2020-08-25 |
| CN111584105B CN111584105B (en) | 2024-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010427181.1A Active CN111584105B (en) | 2020-05-19 | 2020-05-19 | Underwater dynamic pressure sensor mounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111584105B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6260004B1 (en) * | 1997-12-31 | 2001-07-10 | Innovation Management Group, Inc. | Method and apparatus for diagnosing a pump system |
| CN2689182Y (en) * | 2003-08-25 | 2005-03-30 | 刘建华 | Flow sensor for pressure differential measurement |
| CN107654203A (en) * | 2017-09-28 | 2018-02-02 | 中石化石油工程技术服务有限公司 | Drilling hydraulic differential density sensor current stabilization bogey |
| CN108389636A (en) * | 2018-02-05 | 2018-08-10 | 西安交通大学 | Combustible gas explosion experiment system and method in a kind of small size pipeline |
| CN212303095U (en) * | 2020-05-19 | 2021-01-05 | 上海核工程研究设计院有限公司 | Underwater dynamic pressure sensor mounting device |
-
2020
- 2020-05-19 CN CN202010427181.1A patent/CN111584105B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6260004B1 (en) * | 1997-12-31 | 2001-07-10 | Innovation Management Group, Inc. | Method and apparatus for diagnosing a pump system |
| CN2689182Y (en) * | 2003-08-25 | 2005-03-30 | 刘建华 | Flow sensor for pressure differential measurement |
| CN107654203A (en) * | 2017-09-28 | 2018-02-02 | 中石化石油工程技术服务有限公司 | Drilling hydraulic differential density sensor current stabilization bogey |
| CN108389636A (en) * | 2018-02-05 | 2018-08-10 | 西安交通大学 | Combustible gas explosion experiment system and method in a kind of small size pipeline |
| CN212303095U (en) * | 2020-05-19 | 2021-01-05 | 上海核工程研究设计院有限公司 | Underwater dynamic pressure sensor mounting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111584105B (en) | 2024-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210201 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: STATE NUCLEAR POWER ENGINEERING Co. Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20221011 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: STATE NUCLEAR POWER ENGINEERING Co. Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
|
| GR01 | Patent grant |