CN205879452U - Experimental flange of valve seal nature and valve seal nature test device - Google Patents
Experimental flange of valve seal nature and valve seal nature test device Download PDFInfo
- Publication number
- CN205879452U CN205879452U CN201620510898.1U CN201620510898U CN205879452U CN 205879452 U CN205879452 U CN 205879452U CN 201620510898 U CN201620510898 U CN 201620510898U CN 205879452 U CN205879452 U CN 205879452U
- Authority
- CN
- China
- Prior art keywords
- flange
- hole
- valve seal
- main part
- test
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses an experimental flange of valve seal nature and valve seal nature test device for debugging starting phase in pressurised water nuclear power station carries out online sealing performance to the containment isolating valve and measures. Experimental flange has first main part, offer the first through hole that is used for wearing to establish experimental hose on the first main part and center on two at least connecting holes of first through hole periphery, each the connecting hole all is the bar hole, experimental flange is still put at each including overlap adjustablely the downthehole connecting piece of bar, each the connecting piece is used for wearing to establish to the correspondence in the bar hole to be connected to formal flange. The utility model discloses a chronic problem of conventional flange mounting has been solved on can be used to the formal flange of multiple specification to experimental flange.
Description
Technical field
This utility model relate to nuclear power station debugging and operation field in pressurized-water reactor nuclear power plant debugging startup stage valve close
The on-line measurement test of envelope property, particularly to a kind of valve seal test flange and valve seal assay device.
Background technology
Nuclear power station Commissioning programme and operation outline require containment isolating valve to be carried out work seal performance measurement.?
In this test, in the flange that needs to be connected on pipeline interim trial device, snap joint, in order to fluid is (such as water, compression sky
Gas etc.) circulate between formal pipeline and interim trial device.Due to pipeline pressure grade, material requirements difference, the thickness of flange
Degree, size disunity, have higher requirement to the multiformity of the flange of makeshift device.Such as in CPR1000 nuclear power station, have
6 kinds of specifications such as DN150, DN120, DN110, DN100, DN95, DN90.
For adapting to the flange of different size, testing equipment at least needs to prepare above-mentioned flange is corresponding in 6 specification
Flange, makes troubles for testing crew.
It addition, in the installation process of conventional flange, need to use many bolts two panels flange to be attached, to test
The operant skill of personnel and level propose higher requirement.
Due to above-mentioned two problems, it is badly in need of developing a kind of fastening means that can be directly connected to plurality of specifications flange, and tool
Standby Fast Installation disassembling function.
During realizing this utility model, at least there is following defect in prior art:
(1), due to pipeline pressure grade, material requirements difference, the thickness of flange, size disunity, to makeshift device
The multiformity of flange has higher requirement.Such as in CPR1000 nuclear power station, have DN150, DN120, DN110, DN100, DN95,
6 kinds of specifications such as DN90.This is unfavorable for the simplification of test.
(2), the type test flange be generally used for that pressure is higher, reliability and durability higher in the case of.But this is even
Connect mode higher to testing crew requirement, install a piece of flange need more than 15 minutes, this to radiation protection region to work time
Between conditional situation totally unfavorable.
Utility model content
This utility model needs to prepare the flange of plurality of specifications for testing crew simultaneously and the conventional flange set-up time is long
Problem, it is provided that on a kind of formal flange that can be used for plurality of specifications and install valve seal simple, fireballing examination
Test flange and valve seal assay device.
The technical scheme that this utility model proposes with regard to above-mentioned technical problem is as follows:
Provide a kind of valve seal test flange, for pressurized-water reactor nuclear power plant is debugged startup stage, containment is isolated
Valve carries out work seal performance measurement, and described test flange has the first main part, described first main part offers for
Wear the first through hole of test flexible pipe and around at least two connecting hole of described first through hole periphery, each described connection
Kong Juncheng bar hole, described test flange also includes the connector that adjustable ground is nested with in each described bar hole, each
Described connector is for wearing to corresponding described bar hole, and is connected to formal flange.
In valve seal described in the utility model test flange, described first main part includes body and along institute
Stating the first extension and the second extension that body edge extends, described first through hole is opened on described body, institute
State the first extension and described second extension correspondence respectively offers bar hole described at least.
In valve seal described in the utility model test flange, described body is square, and described first extends
Portion and described second extension are rectangle, the lateral symmetry that the first extension and the second extension deviate from mutually along described body
Extend.
In valve seal described in the utility model test flange, described body has for accepting hose coupling
First bearing surface and for abutting the second bearing surface of described formal flange, described second bearing surface offers for installing close
The groove of sealing.
In valve seal described in the utility model test flange, each described bar hole is mounting hole, described waist
The major axis in shape hole is extended along the length direction of described first main part,
In valve seal described in the utility model test flange, described groove is end to end cannelure, described
Cannelure is used for mounting O-shaped sealing ring.
A kind of valve seal assay device is provided, including described valve seal test flange, also includes with described
The described formal flange that test flange removably connects, described formal flange includes the second main part, on described second main part
Offer the second through hole for wearing test flexible pipe and at least two Flange joint around described second through hole periphery
Hole, sealably abuts between described first main part with described second main part, and each described connector is the most movably
Wear to corresponding described bar hole and described flange connecting hole.
In valve seal assay device described in the utility model, described second main part and described second bearing surface phase
The surface of contact has a boss, and described sealing member is arranged between described boss and described second bearing surface.
In valve seal assay device described in the utility model, each described connector includes sequentially passing through corresponding institute
State bar hole and the bolted connection of described flange connecting hole.
In valve seal assay device described in the utility model, described bolted connection is for being arranged on described bar hole
On nut and bolt under being arranged on flange connecting hole, described bolted connection is used for being movably disposed in described bar shaped
Kong Zhong and by described nut will described first main part and the second main part fastening.
In valve seal assay device described in the utility model, described nut is wing nut.
The technical scheme that this utility model embodiment provides has the benefit that
(1), this utility model be applicable to multiple flange, span is big, and flexibility ratio is high.
(2), this utility model can not use auxiliary tools, use staff can complete to install, the set-up time is less than 2 points
Clock, greatly reduces the radiation areas working time.
(3), this utility model use silica gel O ring, compression is big, good sealing effect, is difficult to leakage.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural front view of the valve seal test flange that one of this utility model embodiment provides
Fig. 2 is the structure top view of the valve seal test flange that one of this utility model embodiment provides；
Fig. 3 is the structural front view of the valve seal assay device of two offers of this utility model embodiment；
Fig. 4 is the structural front view of the valve seal assay device of three offers of this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Embodiment one
Fig. 1,2 structures showing valve seal test flange that one of embodiment of the present invention provides, test flange tool
The first main part 1, the first main part 1 is had to include body 2 and the first extension 21 and second extended along body 2 edge
Extension 22.
Shown in Fig. 3, body 2 is square, and body 2 offers the first through hole 23, the first through hole 23
For wearing test flexible pipe 5, the first through hole 23 is circular hole, and the diameter of the first through hole 23 is more than the external diameter of test flexible pipe 5, the
The bottom interference fit of pass through aperture 23 and hose coupling, body 2 has the first bearing surface 25 and the second bearing surface 26, and first
Bearing surface 25 is used for accepting hose coupling, and the second bearing surface 26 is used for abutting formal flange, and the second bearing surface 26 offers use
In the groove 27 of installation sealing member 4, groove 27 is in end to end cannelure, and described sealing member 4 is O type sealing ring, and O type seals
The material of ring is silica gel, and the employing of O type sealing ring makes test flange only need the thrust of 100N can meet 0.45MPa.g's
Sealing property.
First extension 21 and described second extension 22 are rectangle, and the first extension 21 and the second extension 22 are along institute
Stating the lateral symmetry extension that body 2 phase deviates from, the first extension 21 and described second extension 22 correspondence respectively offer one
Individual bar hole 24, the center of two bar holes 24 and the center of the first through hole 23 on the same line, two bar hole 24 edges
Test flange central shaft axial symmetry distribution, each described bar hole 24 is mounting hole, and the major axis of mounting hole is along the first main part 1
Length direction extended, a length of 31mm of mounting hole major axis, a diameter of 8.4mm of mounting hole both sides semi arch, so
Mounting hole design make the selection of connector position more flexible, thus make the test flange can be with the formal method of multiple different size
Orchid is connected.The architectural feature of test flange of the present utility model is not that diagram limits, body 2 and the first extension 21
Can be circular with the shape of the second extension 22, oval and other deformation, the quantity of mounting hole be the most by above-mentioned enforcement
The restriction of example 1, can be multiple, depend on actually required, with ensure that test flange and formal flange connect time close
Envelope property, so quantity and shape etc. are unrestricted.
Embodiment two
Fig. 3 shows the structure of the valve seal assay device of two offers of this utility model embodiment, valve seal
Property assay device also include and the test formal flange that removably connects of flange and for joint test flange and formal flange
Connector 6.
Shown in Fig. 1, Fig. 2, formal flange is DN90 flange, has the second main part 3, the second main part 3 is offered
Having the second through hole 31 and two flange connecting holes 32 around the second through hole 31 periphery, the second through hole 31 is circular hole, the
The diameter of two through holes 31 is more than the external diameter of test flexible pipe 5, and the second through hole 31 is connected with the first through hole 23, is equally used for
Wearing test flexible pipe 5, two flange connecting holes 32 are along the axle axial symmetry distribution of formal flange center, and the second main part 3 and first is main
The surface that body 1 contacts is provided with a boss 33, and this boss 33 is abutted by sealing member 4 with the second bearing surface 26, passes through boss
33, the second bearing surface 26 of sealing member 4 and test flange is formed and seals space.
Connector 6 includes the bolt 61 of the flange connecting hole 32 of the bar hole 24 and formal flange sequentially passing through test flange
And it being arranged on the nut 62 on described bar hole 24, nut 62 is the wing nut of M8, and wing nut facilitates related personnel's hands
Dynamic installation, 61, bolt is arranged on below flange connecting hole 32, and bolted connection is movably disposed in bar hole 24 and logical
Cross bolt 61 and nut 62 will test flange and the fastening of formal flange.
In the present embodiment, bolt 61 and nut 62 can be installed by staff, it is not necessary to use auxiliary tools, O type after installation
Sealing ring is compacted, and this thrust can meet seal request.
Embodiment three
Fig. 4 shows the structure of the valve seal assay device of three offers of this utility model embodiment, the present embodiment
In valve seal assay device essentially identical with embodiment two, difference be use formal flange be DN110 method
Orchid, the position of bolt 61 and nut 62 compared to embodiment two away from centrage.
Owing to the test flange in this utility model has the strongest suitability, the flange from DN90 to DN120 all can be direct
Use, solve the problem that testing crew needs to prepare the flange of plurality of specifications simultaneously.Test flange peace in this utility model
Dress is simple, it is not necessary to other instruments, the problem solving conventional flange set-up time length.The employing of silica gel O ring makes valve seal
Assay device obtains good sealing effect, is difficult to reveal.
Although this utility model is illustrated by specific embodiment, it will be appreciated by those skilled in the art that, not
In the case of departing from this utility model scope, it is also possible to this utility model is carried out various conversion and equivalent substitutes.It addition, for
Particular condition or material, can make various amendment, without deviating from scope of the present utility model to this utility model.Therefore, this reality
Be not limited to disclosed specific embodiment with novel, and should include falling in this utility model right whole
Embodiment.
Claims (10)
1. a valve seal test flange, was carried out containment isolating valve for pressurized-water reactor nuclear power plant is debugged startup stage
Linear sealing performance measurement, described test flange has the first main part (1), described first main part (1) offers for wearing
If first through hole (23) of test flexible pipe (5) and at least two connecting hole around described first through hole (23) periphery, its
Being characterised by, all in bar hole (24), described test flange also includes adjustable ground and is nested with each each described connecting hole
Connector (6) in described bar hole (24), each described connector (6) is for wearing to corresponding described bar hole (24)
In, and it is connected to formal flange.
Valve seal the most according to claim 1 test flange, it is characterised in that described first main part (1) includes
Body (2) and along described body (2) edge extend the first extension (21) and the second extension (22), described first
Through hole (23) is opened on described body (2), and described first extension (21) and described second extension (22) are the most right
Bar hole described at least one (24) should be offered.
Valve seal the most according to claim 2 test flange, it is characterised in that described body (2) is square,
Described first extension (21) and described second extension (22) are rectangle, the first extension (21) and the second extension (22)
The lateral symmetry deviated from mutually along described body (2) extends.
Valve seal the most according to claim 2 test flange, it is characterised in that described body (2) have for
Accepting first bearing surface (25) of hose coupling and for abutting second bearing surface (26) of described formal flange, described second supports
The groove (27) for installing sealing member (4) is offered in junction (26).
Valve seal the most according to claim 2 test flange, it is characterised in that each described bar hole (24) is
Mounting hole, the major axis of described mounting hole is extended along the length direction of described first main part (1).
Valve seal the most according to claim 4 test flange, it is characterised in that described groove (27) is in end to end
Cannelure, described cannelure is used for installing described sealing member (4), and described sealing member (4) is O type sealing ring.
7. a valve seal assay device, it is characterised in that: include the valve seal as described in claim 1 to 6 is arbitrary
Property test flange, described assay device also includes the formal flange removably connected with described test flange, described formal flange
Including the second main part (3), described second main part (3) offers the second through hole for wearing test flexible pipe (5)
(31) with around at least two flange connecting hole (32) of described second through hole (31) periphery, described first main part (1) with
Sealably abutting between described second main part (3), each described connector (6) wears the most movably to corresponding institute
State in bar hole (24) and described flange connecting hole (32).
Valve seal assay device the most according to claim 7, it is characterised in that described second main part (3) and institute
Stating the surface that the second bearing surface (26) contacts and have a boss (33), sealing member (4) is arranged at described boss (33) and described
Between second bearing surface (26).
Valve seal assay device the most according to claim 7, it is characterised in that each described connector (6) includes
Sequentially pass through the bolt (61) of corresponding described bar hole (24) and described flange connecting hole (32) and be arranged on described bar hole
(24) nut (62) on, described bolt (61) is movably disposed in described bar hole (24) and by described nut
(62) described first main part (1) and the second main part (3) are fastened.
Valve seal assay device the most according to claim 9, it is characterised in that described nut (62) is butterfly-type spiral shell
Female.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510898.1U CN205879452U (en) | 2016-05-30 | 2016-05-30 | Experimental flange of valve seal nature and valve seal nature test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620510898.1U CN205879452U (en) | 2016-05-30 | 2016-05-30 | Experimental flange of valve seal nature and valve seal nature test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879452U true CN205879452U (en) | 2017-01-11 |
Family
ID=57689627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620510898.1U Active CN205879452U (en) | 2016-05-30 | 2016-05-30 | Experimental flange of valve seal nature and valve seal nature test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205879452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112184029A (en) * | 2020-09-30 | 2021-01-05 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
-
2016
- 2016-05-30 CN CN201620510898.1U patent/CN205879452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112184029A (en) * | 2020-09-30 | 2021-01-05 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
| CN112184029B (en) * | 2020-09-30 | 2022-04-08 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205879452U (en) | Experimental flange of valve seal nature and valve seal nature test device | |
| CN205781543U (en) | A kind of pressure-air pipe flange | |
| CN103453247A (en) | Inflating type pipeline connecting clamp hoop | |
| CN105782604B (en) | A kind of vacuum protection formula flange connector | |
| CN208414625U (en) | A kind of pressuring rotating plate valve applied to single crystal growing furnace | |
| CN207048874U (en) | Aircraft engine ventilation leak oil line docking pipeline | |
| CN211362330U (en) | Underwater cooperative robot | |
| CN209180537U (en) | A kind of steel flange limit telescopic connector | |
| CN109340488A (en) | A kind of steel flange limit telescopic connector | |
| CN105805450B (en) | A kind of magnetic conductance formula flange connector | |
| CN208348725U (en) | A kind of hydraulic engineering pipeline protection cover | |
| CN205578971U (en) | Magnetic conductance formula flange connections | |
| CN104595612A (en) | Corrugated pipe expansion joint assembly capable of testing simultaneously | |
| CN211289095U (en) | Multi-sealing corrosion-resistant flange | |
| CN209414872U (en) | A kind of pipeline Quick leak stoppage apparatus and the quick switching device of pipeline | |
| CN207421608U (en) | Fast-assembling pipeline configuration | |
| CN203517061U (en) | Inflatable pipeline connection clamp | |
| CN208535395U (en) | A kind of novel pressure pipeline compensating joint | |
| CN207935583U (en) | pipeline flexible connection structure | |
| CN205230695U (en) | Oil appearance valve repacks conversion equipment of valve interface into | |
| CN208634576U (en) | A kind of connection component and power device | |
| CN208204304U (en) | A kind of three-dimensional ball joint compensator | |
| CN204437557U (en) | The bellows expansion joint assembly parts that can simultaneously test | |
| CN106499886B (en) | A kind of multi-sealed cutting ferrule of combination | |
| CN205048024U (en) | Rectangle flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |