CN203374848U - Metal sealing valve plate and valve bases for underwater flat gate valve - Google Patents
Metal sealing valve plate and valve bases for underwater flat gate valve Download PDFInfo
- Publication number
- CN203374848U CN203374848U CN201320361656.7U CN201320361656U CN203374848U CN 203374848 U CN203374848 U CN 203374848U CN 201320361656 U CN201320361656 U CN 201320361656U CN 203374848 U CN203374848 U CN 203374848U
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- valve
- valve seat
- plate
- bases
- metal sealing
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- Expired - Fee Related
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Abstract
The utility model discloses a metal sealing valve plate and valve bases for an underwater flat gate valve. The metal sealing valve plate and the valve bases are characterized in that in an inner cavity of a valve body, two valve base installing steps are arranged along a channel of the valve body, the valve base A and the valve base B are arranged on the two valve base installing steps respectively, and the valve plate is installed between the valve base A and the valve base B. According to the metal sealing valve plate and the valve bases, two metal sealing rings are arranged between the valve bases and the valve body, and the valve plate and the valve bases are sealed by plane metal. The problems that in a rubber sealing mode, high pressure resistance is poor, and service life is short are effectively solved, high pressure resistance of the valve plate and high pressure resistance of the valve bases are improved, the service life of the valve plate and the service life of the valve bases are prolonged, performance of the flat gate valve is greatly improved, and the requirement for ocean underwater oil and gas exploration development is completely met.
Description
Technical field
The utility model belongs to oil gas drilling and production technology field, relates to a kind of metal sealing valve plate valve seat of plate valve under water.
Background technique
Subsea production system is the critical equipment during marine oil, air to open are sent out, its major function is the oil gas of effectively controlling in seabed oil, gas well, guarantee the oil gas processing system that seabed oil, gas are transported to sea or land according to the flow velocity of setting and flow, and realize the switch of oil, gas according to the requirement of oil production technology.
Plate valve is the essential elements equipment of sea-bottom oil-gas switch of controlling in submarine system under water, the validity of its sealing has determined the quality of plate valve performance, wherein the most keyly be sealed into the sealing between valve plate and valve seat, valve seat and valve body, restriction due to its structure, mounting process etc., for a long time, valve plate and valve seat all adopt high-precision plane sealing, between valve seat and valve body, adopt rubber seal to be sealed.Yet be subject to the restriction of ocean environment, operating cost etc., to the operating life requirement very high (being generally 20 years) of plate valve, conventional rubber seal can not meet designing requirement.The utility model adopts valve plate, the valve seat of all-metal sealing, efficiently solves the difficult problem of high pressure, long-life, meets preferably the high request of subsea production system to plate valve.
The model utility content
The purpose of this utility model is to provide a kind of metal sealing valve plate valve seat of plate valve under water, solved in the prior art, exist can not bear short problem of high pressure, working life.
The technological scheme that the utility model adopts is, a kind of metal sealing valve plate valve seat of plate valve under water, be included in the inner chamber of valve body, be provided with two valve seat installation steps along valve channel, be respectively arranged with valve seat A and valve seat B on these two valve seat installation steps, between valve seat A and valve seat B, valve plate be installed.
The metal sealing valve plate valve seat of plate valve under water of the present utility model, its characteristics also are:
The valve seat installation step surface of contact of valve seat B and valve body is respectively arranged with one group of hoop metal o-ring and end face elastic metal sealing ring, equally, the valve seat installation step surface of contact of valve seat A and valve body is respectively arranged with another group hoop seal ring and another group end-face seal ring.
The beneficial effects of the utility model are, with valve body form together subsea production system required together with pressure control and sealing ensures, form and produce runner, and effectively realize the switch of runner.Be provided with the twice metal o-ring between valve seat and valve body, it between valve plate and valve seat, is the planar metal sealing, efficiently solve the problem that the rubber seal barotolerance is poor, the life-span is short, thereby valve plate, the barotolerance of valve seat, life-span have been improved, greatly improve the performance of plate valve, met the needs of oil-gas exploration and development under ocean water fully.
The accompanying drawing explanation
Fig. 1 is the closed condition structural representation of the utility model device;
Fig. 2 is the opening state structural representation of the utility model device.
In figure, 1. valve body, 2. valve seat A, 3. valve plate, 4. hoop seal ring, 5. end-face seal ring, 6. valve seat B, 7. chamfering, 8. sealing surface A, 9. sealing surface B.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
With reference to Fig. 1, Fig. 2, the structure of the utility model device is, be included in the inner chamber of valve body 1, be provided with two valve seat installation steps along valve channel, be respectively arranged with valve seat A2 and valve seat B6 on these two valve seat installation steps, between valve seat A2 and valve seat B6, valve plate 3 is installed, the upper and lower corner angle in the inner of valve plate 3 all are set to chamfering 7; The valve seat installation step surface of contact of valve seat B6 and valve body 1 is respectively arranged with hoop seal ring 4 and end-face seal ring 5, and the valve seat installation step surface of contact of same valve seat A2 and valve body 1 is respectively arranged with another group hoop seal ring 4 and another group end-face seal ring 5; By sealing surface A8, with sealing surface B9, with valve seat A2, with valve seat B6, sealing contacts valve plate 3 respectively.
The installation process of the utility model device is, first by hoop seal ring 4, end-face seal ring 5 respectively correspondence be arranged on valve seat A2 and valve seat B6, then be sent to valve seat installation step position by the valve gap end together, and be pressed in the valve seat installation step, after valve seat A2 and valve seat B6 install respectively, enter valve plate 3 from the valve gap side pressure, because end-face seal ring 5 has certain amount of deformation, rely on the chamfering 7 on valve plate, can realize the smooth installation of valve plate 3, because end-face seal ring 5 has higher elastic stiffness, can guarantee that valve seat 2 and valve plate 3 fit tightly.
Valve seat A2 and valve seat B6 end face are processed with annular groove, end-face seal ring 5 is installed in annular groove, set up the first sealing between valve seat A2 and valve seat B6 and valve body 1, the hoop seal ring 4 that valve seat 2 and valve seat B6 arrange, set up the second sealing between valve seat 2 and valve body 1; Simultaneously, due to the elastic force that end-face seal ring 5 produces, promote valve seat 2 and fit tightly with valve plate 3, between valve seat 2 and valve plate 3, set up initial sealing.
Hoop seal ring 4 is primary seal, and end-face seal ring 5 is the backup sealing, has better met the requirement of sealing high reliability.Hoop seal ring 4 adopts metal or rubber seal or other elastomer, and simultaneously, end-face seal ring 5 adopts metal or rubber ring or other elastomer, meets the requirement of the withstand voltage height of valve, life-span length etc.
Sealing between valve seat A2 and valve seat B6 and valve plate 3 has the well pressure and helps the envelope function, under the differential pressure action that the junction plane 8 between valve seat 2 and valve plate 3 is pressed at well, fits very tight, and the larger sealing of pressure is more reliable.
Figure 1 shows that the valve closing state, if the high-pressure liquid in well enters the valve internal channel from liquid entering hole A, effect due to end-face seal ring 5, between valve seat 2 and valve plate 3, established initial sealing plays seal action, simultaneously, helping under the envelope effect of channel inner pressure, sealing surface A8, in conjunction with tightr, effectively sets up the sealing between valve seat 2 and valve plate 3; Hoop seal ring 4, end-face seal ring 5 have been set up the sealing between valve seat 2 and valve body 1; Thereby the fluid at liquid entering hole A place, fully by shutoff, meets the requirement of valve closing.
Figure 2 shows that valve opening state, the high-pressure liquid in well can, from liquid entering hole A Free-flow to liquid outlet B, now not need to set up sealing between valve plate, valve seat, valve body.
Claims (2)
1. a plate valve metal sealing valve plate valve seat under water, its characteristics are: be included in the inner chamber of valve body (1), be provided with two valve seat installation steps along valve channel, be respectively arranged with valve seat A(2 on these two valve seat installation steps) and valve seat B(6), valve seat A(2) and valve seat B(6) between valve plate (3) is installed.
2. the metal sealing valve plate valve seat of plate valve under water according to claim 1, its characteristics are: described valve seat B(6) with the valve seat installation step surface of contact of valve body (1), be respectively arranged with one group of hoop metal o-ring (4) and end face elastic metal sealing ring (5), equally, valve seat A(2) with the valve seat installation step surface of contact of valve body (1), be respectively arranged with another group hoop seal ring (4) and another group end-face seal ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320361656.7U CN203374848U (en) | 2013-06-21 | 2013-06-21 | Metal sealing valve plate and valve bases for underwater flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320361656.7U CN203374848U (en) | 2013-06-21 | 2013-06-21 | Metal sealing valve plate and valve bases for underwater flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374848U true CN203374848U (en) | 2014-01-01 |
Family
ID=49837377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320361656.7U Expired - Fee Related CN203374848U (en) | 2013-06-21 | 2013-06-21 | Metal sealing valve plate and valve bases for underwater flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178624A (en) * | 2017-06-17 | 2017-09-19 | 俞钟晓 | A kind of anti-shell biology stings the valve of cloth |
| CN112096345A (en) * | 2020-10-10 | 2020-12-18 | 中油国家油气钻井装备工程技术研究中心有限公司 | Flat plate shearing valve for ocean well repairing operation |
-
2013
- 2013-06-21 CN CN201320361656.7U patent/CN203374848U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178624A (en) * | 2017-06-17 | 2017-09-19 | 俞钟晓 | A kind of anti-shell biology stings the valve of cloth |
| CN112096345A (en) * | 2020-10-10 | 2020-12-18 | 中油国家油气钻井装备工程技术研究中心有限公司 | Flat plate shearing valve for ocean well repairing operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20160621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |