CN220650026U - Pressure test sealing structure of ultrahigh temperature and ultrahigh pressure valve - Google Patents
Pressure test sealing structure of ultrahigh temperature and ultrahigh pressure valve Download PDFInfo
- Publication number
- CN220650026U CN220650026U CN202322303832.8U CN202322303832U CN220650026U CN 220650026 U CN220650026 U CN 220650026U CN 202322303832 U CN202322303832 U CN 202322303832U CN 220650026 U CN220650026 U CN 220650026U
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- pressure test
- pressure
- blind plate
- valve body
- ultra
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- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000007906 compression Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 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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- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a pressure test sealing structure of an ultrahigh temperature and ultrahigh pressure valve, which relates to the field of valve tests and comprises a valve body with a built-in heat insulation layer and a flow channel and a pressure test blind plate with a water inlet; the end faces of the pressure test blind plate and the valve body are respectively provided with an annular boss, the annular bosses of the pressure test blind plate and the valve body are externally provided with a hoop for tightly clamping the pressure test blind plate and the valve body, and a sealing piece is arranged between the pressure test blind plate and the valve body. The utility model has the advantages of quick and convenient installation, safety and reliability.
Description
Technical Field
The utility model relates to the field of valve tests, in particular to a pressure test sealing structure of an ultrahigh temperature and ultrahigh pressure valve.
Background
In the prior art, aiming at the developed valves with the ultra-high temperature (2000 ℃) and ultra-high pressure (200 MPa) runner diameter of 50mm, a shell strength pressure test (1.5 times nominal pressure) of 300MPa is required before delivery. Because the working temperature of the valve is high, a heat preservation and insulation layer is arranged in the valve body, so that the aperture of the inner hole of the valve body reaches 300mm; the wall thickness of the valve body is 825mm, flange bolt connection is designed according to the conventional design, the flange thickness is 1645mm, the bolt length is 6220mm, and each bolt weighs 226kg, so that great trouble is brought to a test, and a convenient and quick mounting structure is urgently needed.
Disclosure of Invention
In order to overcome the defects of the background technology, the utility model provides a pressure test sealing structure of an ultrahigh-temperature and ultrahigh-pressure valve, which is rapid and convenient to install, safe and reliable.
The utility model adopts the technical scheme that: a pressure test sealing structure of an ultrahigh temperature and ultrahigh pressure valve comprises a valve body with a built-in heat insulation layer and a runner, and a pressure test blind plate with a water inlet; the end faces of the pressure test blind plate and the valve body are respectively provided with an annular boss, the annular bosses of the pressure test blind plate and the valve body are externally provided with a hoop for tightly clamping the pressure test blind plate and the valve body, and a sealing piece is arranged between the pressure test blind plate and the valve body.
The band is a half band.
The sealing element adopts a pressure self-tightening sealing ring.
The pressure test blind plate end face is provided with a first counter bore, the valve body end face is provided with a second counter bore, and the first counter bore, the second counter bore and the sealing element form a cavity
The outer surface of the sealing element is in a conical surface shape.
The beneficial effects of the utility model are as follows: according to the technical scheme, the flange connection structure is replaced by the shroud, shear stress generated by 2119.5 tons of medium axial thrust is resisted by the section of the shroud, and the self-compression pressure sealing ring is arranged between the pressure test blind plate and the end face of the valve body, so that the self-compression pressure sealing ring has the advantages of being rapid and convenient to install, safe and reliable.
Drawings
Fig. 1 is a schematic structural diagram of a pressure test sealing structure of an ultrahigh temperature and ultrahigh pressure valve according to an embodiment of the utility model.
Fig. 2 is a top view of a pressure test seal structure of the ultra-high temperature ultra-high pressure valve.
Detailed Description
Embodiments of the utility model are further described below with reference to the accompanying drawings:
as shown in the figure, the pressure test sealing structure of the ultrahigh temperature and ultrahigh pressure valve comprises a valve body 3 with a built-in heat insulation layer 1 and a runner 2, and a pressure test blind plate 5 with a water inlet 4; annular bosses 6 are respectively arranged on the butt-joint end surfaces of the pressure test blind plate 5 and the valve body 3, a shroud ring 7 for tightly clamping the pressure test blind plate 5 and the valve body 3 is arranged outside the annular bosses 6, and a sealing piece 8 is arranged between the pressure test blind plate 5 and the valve body 3; according to the technical scheme, the flange connection structure is replaced by the shroud, shear stress generated by 2119.5 tons of medium axial thrust is resisted by the section of the shroud, and the self-compression pressure sealing ring is arranged between the pressure test blind plate and the end face of the valve body, so that the self-compression pressure sealing ring has the advantages of being rapid and convenient to install, safe and reliable.
The half-type band clamp is adopted for the band clamp 7, and has the advantages of good structural strength and convenience in installation.
The end face of the pressure test blind plate 5 is provided with a first counter bore 9, the end face of the valve body 3 is provided with a second counter bore 10, and the first counter bore 9, the second counter bore 10 and the sealing element 8 form a cavity.
The sealing piece 8 adopts a pressure self-tightening sealing ring; as shown in fig. 1, the outer surface of the sealing member 8 is conical, when the cavity is filled with medium, the pressure of the medium acts on the inner wall surface of the sealing member, and the sealing performance of the sealing ring is better as the pressure is higher.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
Claims (5)
1. The utility model provides a pressure test seal structure of super high temperature superhigh pressure valve which characterized in that: the pressure test blind plate comprises a valve body (3) with a built-in heat insulation layer (1) and a runner (2) and a pressure test blind plate (5) with a water inlet (4); the end faces of the pressure test blind plate (5) and the valve body (3) are respectively provided with an annular boss (6), a hoop (7) for tightly wrapping the pressure test blind plate (5) and the valve body (3) is arranged outside the annular boss (6), and a sealing piece (8) is arranged between the pressure test blind plate (5) and the valve body (3).
2. The pressure test sealing structure of the ultra-high temperature and ultra-high pressure valve according to claim 1, wherein: the band (7) is a half band.
3. The pressure test sealing structure of the ultra-high temperature and ultra-high pressure valve according to claim 1, wherein: the sealing piece (8) adopts a pressure self-tightening sealing ring.
4. The pressure test sealing structure of the ultra-high temperature and ultra-high pressure valve according to claim 3, wherein: the pressure test blind plate (5) end face is provided with a first counter bore (9), the valve body (3) end face is provided with a second counter bore (10), and the first counter bore (9), the second counter bore (10) and the sealing piece (8) form a cavity.
5. The pressure test sealing structure of the ultra-high temperature and ultra-high pressure valve according to claim 4, wherein: the outer surface of the sealing piece (8) is in a conical surface shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303832.8U CN220650026U (en) | 2023-08-28 | 2023-08-28 | Pressure test sealing structure of ultrahigh temperature and ultrahigh pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303832.8U CN220650026U (en) | 2023-08-28 | 2023-08-28 | Pressure test sealing structure of ultrahigh temperature and ultrahigh pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220650026U true CN220650026U (en) | 2024-03-22 |
Family
ID=90289742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322303832.8U Active CN220650026U (en) | 2023-08-28 | 2023-08-28 | Pressure test sealing structure of ultrahigh temperature and ultrahigh pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220650026U (en) |
-
2023
- 2023-08-28 CN CN202322303832.8U patent/CN220650026U/en active Active
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