CN208043564U - A kind of metal containment integrality test pressure protective device - Google Patents
A kind of metal containment integrality test pressure protective device Download PDFInfo
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- CN208043564U CN208043564U CN201820685801.XU CN201820685801U CN208043564U CN 208043564 U CN208043564 U CN 208043564U CN 201820685801 U CN201820685801 U CN 201820685801U CN 208043564 U CN208043564 U CN 208043564U
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- flange
- containment
- pipe
- pipeline
- protective device
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Abstract
The utility model is related to a kind of metal containment integrality test pressure protective devices, including first pipe, described first pipe one end passes through the spare penetration piece and containment connects with the internal cavities on containment, the other end is connect with second pipe one end, the other end of the second pipe is connected with an interface of threeway, other two interface of the threeway connects two safety valves by third pipeline, the containment internal cavities are connected with the 4th pipeline by spare penetration piece, 4th pipeline is equipped with valve and pressure gauge, the pressure protective device of the utility model is simple in structure, when test pressure is more than setting pressure, it can timely and effective carry out pressure release, ensure safety.
Description
Technical field
The utility model is related to nuclear power generating equipment experimental rig technical fields, and in particular to a kind of metal containment integrality test
Pressure protective device.
Background technology
Steel containment vessel is the important equipment using the large pressurized water reactor of non-passive safety theory design.According to《ASME cores
Electric specification and standard NE bundlings of volume III》Requirement, steel containment vessel need carry out gas pressure test, for examining steel containment vessel
The ability of holding structure integrality under design basis accident operating mode.
According to the requirement of the ASME NE bundlings of volume III, pressure testing needs to be kept for a period of time, and the experiment in system is situated between
Matter meeting expanded by heating, should take preventive measures to avoid superpressure.Therefore a kind of suppressed in metal containment is needed to prevent from pacifying in the process
Full shell exceeds the device of design pressure.
Utility model content
Purpose of the utility model is to overcome the deficiencies of the above prior art and provide a kind of metal containment integrality tests
Pressure protective device is used cooperatively with metal containment, and the overall structure for avoiding the steel containment vessel caused by superpressure is damaged, anti-
The only damage in Overpressure Condition such as equipment and instrument and meter in containment, at the same also ensure experiment during the relevant personnel peace
Full problem reaches cost efficiency, safely controllable purpose to improve test efficiency.
To achieve the above object, the utility model uses following technical proposals：
A kind of metal containment integrality test pressure protective device, including first pipe, described first pipe one end pass through
Spare penetration piece and containment connects with the internal cavities, the other end on containment are connect with second pipe one end, second pipe
The other end in road is connected with an interface of threeway, other two interface of the threeway connects two safety by third pipeline
Valve, the containment internal cavities are connected with the 4th pipeline by spare penetration piece, and the 4th pipeline is equipped with valve and pressure
Power table.
Further, the safety valve uses pilot operated safety valve.
Further, the first pipe pass through spare penetration piece one end be equipped with first flange and second flange, first
Pipeline passes through first flange, end to be equipped with second flange, the flange arrangement of the outer sleeve of the first flange and penetration piece
It is fixedly connected, and is sealed using sealing ring, second flange is fixedly connected with the flange arrangement of penetration piece inner sleeve, and is made
It is sealed with sealing ring.
Further, the second pipe uses flanged (FLGD) hose, and second pipe one end passes through flange and first pipe
It is fixedly connected, and is sealed using sealing ring, the other end is connect by flange with threeway, and is sealed using sealing ring.
Further, third pipeline one end connects threeway, and the other end connects 90 ° of short radius elbows, described 90 ° short by half
Diameter elbow is connect by flange with safety valve, and is sealed using sealing ring.
Further, the 4th pipeline passes through first flange and spare penetration piece, with containment connects with the internal cavities.
The beneficial effects of the utility model：
The pressure protective device of the utility model, simple in structure, each pipeline and equipment use flanged joint, eliminate complexity
Welding job need not remove the other equipment on containment using the spare penetration piece of containment, there is no shadow to containment
It rings.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the restriction to the application for explaining the application.
Fig. 1 is the utility model overall structure diagram；
Wherein, 1. first pipe, 2. second pipes, 3. threeways, 4. pilot operated safety valves, 5. the 4th pipelines, 6. valves, 7.
Pressure gauge, 8. first flanges, 9. second flanges, 10. outer sleeves, 11. inner sleeves, 12. third pipelines, 13.90 ° of short radius
Elbow.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, in containment globality pressure testing, and overpressure protection apparatus is not present, is easy
Danger is caused, in view of the above-mentioned problems, present applicant proposes a kind of metal containment integrality test pressure protective devices.
In a kind of exemplary embodiment of the application, as shown in Figure 1, a kind of metal containment integrality test pressure protection fills
It sets, including first pipe 1, described first pipe one end is connected by the spare penetration piece on containment with containment internal cavities
Logical, the other end is connect with 2 one end of second pipe, and the other end of the second pipe is connected with an interface of threeway 3, and described three
Other two logical interface connects two safety valves by third pipeline 12, and the safety valve described in two is all made of pilot-operated type safety
Valve 4, the containment internal cavities are connected with the 4th pipeline 5 by spare penetration piece, and the 4th pipeline is equipped with 6 He of valve
Pressure gauge 7.
The first pipe passes through one end of spare penetration piece to be equipped with first flange 8 and second flange 9, and first pipe passes through
First flange, end are equipped with second flange, and the flange arrangement of the outer sleeve 10 of the first flange and penetration piece, which is fixed, to be connected
It connects, and is sealed using sealing ring, second flange is fixedly connected with the flange arrangement of penetration piece inner sleeve 11, and using close
Seal is sealed.
The second pipe uses flanged (FLGD) hose, has two sections, and two sections of second pipes are attached by flange, the
Two pipeline one end are fixedly connected by flange with first pipe, and are sealed using sealing ring, and the other end passes through flange and three
Lead to and connect, and is sealed using sealing ring.
Described 12 one end of third pipeline connects threeway, and the other end connects 90 ° of short radius elbows 13, and 90 ° of short radius are curved
Head is connect by flange with safety valve, and is sealed using sealing ring.
4th pipeline passes through first flange and spare penetration piece, with containment connects with the internal cavities.
Before the device installation of the utility model, the blank flange for removing a spare penetration piece on containment in advance is needed,
First flange in first pipe is fixedly connected with the flange arrangement on the outer sleeve of spare penetration piece using bolt, the
The flange arrangement of two flanges and spare penetration piece inner sleeve is fixedly connected using bolt, the 4th pipeline pass through first flange and
Spare penetration piece, is stretched into inside containment, and valve and pressure gauge are installed on the 4th pipeline.
Both ends second pipe is fixedly connected using flange and bolt,
Two interfaces of threeway are connect with third pipeline, and 90 ° of short radius elbows are installed in the end of third pipeline, by above-mentioned group
Assembling structure is fixed to by two U-bolts on holder, is positioned on the vacant lot in front of Nuclear island equipment gate, using 90 ° short by half
The flange arrangement of diameter elbow is connect with pilot operated safety valve.Then utilize second pipe by one interface of residue of threeway and first
Pipeline is respectively provided with sealing ring, prevents the leakage of liquid by flanged joint, all flanged joints.
In use, when test pressure is more than setting pressure, pilot operated safety valve automatically opens, and carries out pressure release, ensure that
The safety of experiment.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (6)
1. a kind of metal containment integrality test pressure protective device, which is characterized in that including first pipe, the first pipe
One end is connect by the spare penetration piece and containment connects with the internal cavities on containment, the other end with second pipe one end, institute
The other end for stating second pipe is connected with an interface of threeway, other two interface of the threeway is connected by third pipeline
Two safety valves, the containment internal cavities are connected with the 4th pipeline by spare penetration piece, and the 4th pipeline is equipped with
Valve and pressure gauge.
2. a kind of metal containment integrality test pressure protective device as described in claim 1, which is characterized in that the safety
Valve uses pilot operated safety valve.
3. a kind of metal containment integrality test pressure protective device as described in claim 1, which is characterized in that described first
Pipeline passes through one end of spare penetration piece to be equipped with first flange and second flange, and first pipe passes through first flange, and end is set
There are second flange, the first flange to be fixedly connected with the flange arrangement of the outer sleeve of penetration piece, and is carried out using sealing ring
Sealing, second flange is fixedly connected with the flange arrangement of penetration piece inner sleeve, and is sealed using sealing ring.
4. a kind of metal containment integrality test pressure protective device as described in claim 1, which is characterized in that described second
Pipeline uses flanged (FLGD) hose, and second pipe one end is fixedly connected by flange with first pipe, and is carried out using sealing ring
Sealing, the other end is connect by flange with threeway, and is sealed using sealing ring.
5. a kind of metal containment integrality test pressure protective device as described in claim 1, which is characterized in that the third
Pipeline one end connects threeway, and the other end connects 90 ° of short radius elbows, and 90 ° of short radius elbows are connected by flange and safety valve
It connects, and is sealed using sealing ring.
6. a kind of metal containment integrality test pressure protective device as described in claim 1, which is characterized in that the described 4th
Pipeline passes through first flange and spare penetration piece, with containment connects with the internal cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685801.XU CN208043564U (en) | 2018-05-09 | 2018-05-09 | A kind of metal containment integrality test pressure protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820685801.XU CN208043564U (en) | 2018-05-09 | 2018-05-09 | A kind of metal containment integrality test pressure protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043564U true CN208043564U (en) | 2018-11-02 |
Family
ID=63929086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820685801.XU Active CN208043564U (en) | 2018-05-09 | 2018-05-09 | A kind of metal containment integrality test pressure protective device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208043564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005556A (en) * | 2021-10-25 | 2022-02-01 | 山东核电设备制造有限公司 | Combined type current-limiting Venturi tube suitable for CVS and machining method thereof |
-
2018
- 2018-05-09 CN CN201820685801.XU patent/CN208043564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005556A (en) * | 2021-10-25 | 2022-02-01 | 山东核电设备制造有限公司 | Combined type current-limiting Venturi tube suitable for CVS and machining method thereof |
| CN114005556B (en) * | 2021-10-25 | 2023-03-21 | 山东核电设备制造有限公司 | Combined type current-limiting Venturi tube suitable for CVS and machining method thereof |
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