CN210770270U - Subsea valve with purging function - Google Patents
Subsea valve with purging function Download PDFInfo
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- CN210770270U CN210770270U CN201921833869.9U CN201921833869U CN210770270U CN 210770270 U CN210770270 U CN 210770270U CN 201921833869 U CN201921833869 U CN 201921833869U CN 210770270 U CN210770270 U CN 210770270U
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- valve
- subsea
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Abstract
The utility model provides a subsea valve of function is blastd in area contains: the valve rod is driven to lift by the rotation of the hand wheel, and then the valve disc is driven to lift to open or close the valve; the joint of the valve seat of the valve body and the valve disc forms a sealing surface, and the cavity of the valve body is divided into an inner cavity and an outer cavity; the inner cavity is provided with a discharge port which is sealed by a cock; the outer cavity is exposed to the marine environment, is provided with another discharge port and is provided with a blow-off valve, so that high-temperature steam can be introduced to clean marine organisms attached to the inner wall of the subsea valve, and the conditions of metal deformation, sealing surface failure and valve circulation blockage are avoided. The utility model discloses a subsea valve has overcome under the special operating mode of ocean, because marine organism's influence leads to the valve to use the problem of difficulty and easy damage, makes the valve can normally work under abominable operating mode.
Description
Technical Field
The utility model relates to a valve field, concretely relates to subsea valve that area blasts function that can be used for under the ocean special operating mode.
Background
When marine vessel navigates in the ocean, because the lower part leads to the sea valve direct exposure in marine environment, impurity and marine organism in the ocean easily adhere to the valve inner chamber, and weight is great for the sealed face of valve bears great stress, damages sealed face easily, and simultaneously, the marine organism blocks up the circulation mouth, makes the circulation of valve obstructed, influences the normal work of valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a subsea valve of function is blastd in area overcomes marine environment's special operating mode, can be in normal use under marine special environment.
The technical scheme of the utility model a subsea valve that function was blastd in area is provided, contains:
a valve stem;
the valve disc is sleeved at one end part of the valve rod;
the hand wheel is arranged at the other end of the valve rod; the valve rod is driven to lift by the rotation of the hand wheel, and then the valve disc is driven to lift to open or close the valve;
the valve cover is positioned between the hand wheel and the valve disc and sleeved on the valve rod;
the valve body is arranged below the valve cover and is connected with the valve cover through a fastening piece;
the valve body comprises a valve seat, and a sealing surface is formed at the joint of the valve seat and the valve disc;
the valve body also comprises a cavity which is provided with a plurality of discharging openings, wherein at least one discharging opening is provided with a purging valve for introducing substances for cleaning the cavity.
Preferably, the sealing surface formed at the joint of the valve seat and the valve disc divides the cavity of the valve body into an inner cavity and an outer cavity; when the valve is opened, the inner cavity and the outer cavity of the valve body are communicated with each other;
wherein the outer chamber is provided with a drain and with a purge valve.
Preferably, the inner chamber is provided with a further drain, closed by a tap.
Preferably, the substance for cleaning the cavity is high-temperature and high-pressure steam, and the steam is introduced into the outer cavity of the valve body through the purge valve.
Preferably, the outer cavity of the valve body is exposed to the marine environment.
Preferably, a switch pointer is arranged between the valve cover and the valve disc and sleeved on the valve rod.
Preferably, a threaded sleeve is arranged between the valve cover and the valve rod; the threaded sleeve is in threaded connection with the valve rod; the upper part of the threaded sleeve is connected with the hand wheel through a key; the thread bush is made of copper.
Preferably, the hand wheel is provided with an identification plate to identify a rotation direction of opening and closing of the valve.
Preferably, the lower flange of the valve cover is fastened with the middle flange of the valve body through bolts.
Preferably, a control pad and a compression nut are arranged between the valve rod and the valve disc; the control pad hoops the valve rod and is screwed with the compression nut through threads, so that the valve disc and the valve rod move together.
Preferably, the middle part inside the valve cover is provided with an annular boss; the diameter of the circular boss is matched with that of the valve rod;
a packing gland is arranged on the valve rod and is arranged above the circular boss; the packing gland is connected with the valve cover through a fastener;
packing is arranged below the packing gland, above the circular boss and between the valve rod and the valve cover, and the packing is compressed through the packing gland.
Preferably, the material of the filler is polytetrafluoroethylene.
Compared with the prior art, the utility model provides a subsea valve of function is blastd in area has following advantage: the inner cavity and the outer cavity of the valve body are respectively provided with a discharging port, and the discharging ports of the inner cavity are sealed by discharging screw plugs; and a blow-off valve is arranged at the discharge port of the outer cavity, and marine organisms attached to the inner wall of the subsea valve are cleaned by introducing high-temperature steam, so that the conditions of metal deformation, sealing surface failure and valve circulation obstruction are avoided. The utility model discloses a seabed valve has overcome under the special operating mode of ocean, because marine organism's influence leads to the valve to use the problem of difficulty and easy damage, makes better work under the abominable operating mode of valve.
Drawings
Fig. 1 is the utility model discloses a subsea valve's of area purge function overall structure schematic diagram.
Detailed Description
The present invention will be further described by the following detailed description of a preferred embodiment thereof, taken in conjunction with the accompanying drawings.
As shown in fig. 1, the utility model provides a subsea valve of function is blastd in area contains: the valve rod 8 is a transmission part of the subsea valve; the valve disc 2 is sleeved at one end part of the valve rod 8; the other end of the valve rod 8 is provided with a hand wheel 12. The valve rod 8 is driven to lift by the rotation of the hand wheel 12, so that the valve disc 2 is controlled to lift to achieve the purpose of controlling the opening and closing of the valve.
A valve cover 5 is arranged between the hand wheel 12 and the valve disc 2 and is arranged on the valve rod 8. The valve body 1 is arranged below the valve cover 5, and the valve cover 5 is connected with the valve body 1 through a fastening piece; in this example, the lower flange of the bonnet 5 is fastened to the middle flange of the valve body 1 by bolts.
The valve body 1 comprises a cavity, two discharge openings and a valve seat; the joint of the valve seat and the valve disc 2 forms a sealing surface, the valve body 1 is divided into an inner cavity and an outer cavity, the inner cavity is provided with a medium delivery port, and the outer cavity is provided with another delivery port. The inner cavity is provided with a discharge port 3 which is closed by a cock 4 and is generally used less; the outer chamber is provided with a drain 24 and a purge valve 27, which is often used to allow high temperature and high pressure steam to be introduced to clean the interior surfaces of the chamber of marine organisms. When the subsea valve is opened, the two cavities of the valve body 1 are communicated with each other.
The subsea valve further comprises a switch pointer 10, wherein the switch pointer 10 is sleeved on the valve rod 8 and is arranged between the valve cover 5 and the valve disc 2 for indicating the opening and closing of the valve. Symbol 13 represents a transverse line (1 mm deep, painted with ink) engraved after assembly according to the actual stroke; and (5) observing whether the needle point of the switch pointer 10 reaches the marked line at the corresponding position to judge the opening and closing of the valve.
A control pad 22 and a compression nut 23 are arranged between the valve rod 8 and the valve disc 2; the control washer 22 embraces the valve rod 8 and is screwed to the compression nut 23, so that the valve disk 2 moves together with the valve rod 8 during operation.
A copper threaded sleeve 11 is arranged between the valve cover 5 and the valve rod 8; the threaded sleeve 11 is in threaded connection with the valve rod 8; the upper part of the threaded sleeve 11 is connected with the hand wheel 12 through a key. The rotation direction of the valve opening and closing can be identified by installing an identification plate above the hand wheel 12.
The middle part inside the valve cover 5 is provided with a circular boss; the diameter of the circular boss is matched with the diameter of the valve rod 8. A packing gland 9 is arranged on the valve rod 8 and is arranged above the circular boss; the packing gland 9 is connected with the valve cover 5 through a fastener.
Among the subsea valve, the discharge port 3 of the inner cavity of the valve body 1 can be used for cleaning the foreign microorganisms and marine organisms attached to the inner cavity. The outer cavity of the valve body 1 is exposed to the marine environment, so that a large number of marine organisms are more easily attached to the outer cavity, the purge valve 27 is arranged at the discharge port 24 of the outer cavity, high-temperature steam is often introduced to kill the marine organisms, the outer cavity environment can be cleaned, and the function of the valve can be fully exerted. When necessary, the sundries can be discharged out of the pipeline under the state that the inner cavity and the outer cavity are communicated.
To sum up, the utility model discloses a seabed valve has overcome under the special operating mode of ocean, because marine organism's influence leads to the valve to use the problem of difficulty and easy damage, makes better work under the abominable operating mode of valve. The subsea valve may be installed at the bottom of the tank by way of example, but the present invention is not limited to its application to other subsea equipment.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
1. A subsea valve with purging functionality, comprising:
a valve stem (8);
the valve disc (2) is sleeved at one end part of the valve rod (8);
a hand wheel (12) arranged at the other end of the valve rod (8); the valve rod (8) is driven to lift by the rotation of the hand wheel (12), and then the valve disc (2) is driven to lift to open or close the valve;
the valve cover (5) is positioned between the hand wheel (12) and the valve disc (2) and sleeved on the valve rod (8);
the valve body (1) is arranged below the valve cover (5) and is connected with the valve cover (5) through a fastening piece;
the valve body (1) comprises a valve seat, and a sealing surface is formed at the joint of the valve seat and the valve disc (2);
the valve body (1) also comprises a cavity which is provided with a plurality of discharging openings, wherein at least one discharging opening is provided with a purging valve (27) for introducing substances for cleaning the cavity.
2. Subsea valve according to claim 1,
the sealing surface formed at the joint of the valve seat and the valve disc (2) divides the cavity of the valve body (1) into an inner cavity and an outer cavity; when the valve is opened, the inner cavity and the outer cavity of the valve body (1) are communicated with each other;
wherein the outer chamber is provided with a drain (24) and with a purge valve (27); the inner cavity is provided with another drainage port (3) which is closed by a cock (4).
3. Subsea valve according to claim 2,
the substance for cleaning the cavity is high-temperature and high-pressure steam, and is introduced into the outer cavity of the valve body (1) through the purge valve (27).
4. Subsea valve according to one of the claims 1-3,
the outer cavity of the valve body (1) is exposed to the marine environment.
5. Subsea valve according to one of the claims 1-3,
a threaded sleeve (11) is arranged between the valve cover (5) and the valve rod (8);
the threaded sleeve (11) is in threaded connection with the valve rod (8);
the upper part of the threaded sleeve (11) is connected with a hand wheel (12) through a key;
the threaded sleeve (11) is made of copper.
6. Subsea valve according to one of the claims 1-3,
the hand wheel (12) is provided with an identification plate for identifying the rotation direction of the opening and closing of the valve;
a switch pointer (10) is arranged between the valve cover (5) and the valve disc (2) and sleeved on the valve rod (8).
7. Subsea valve according to one of the claims 1-3,
and the lower flange of the valve cover (5) is fastened with the middle flange of the valve body (1) through bolts.
8. Subsea valve according to one of the claims 1-3,
a control pad (22) and a compression nut (23) are arranged between the valve rod (8) and the valve disc (2);
the control pad (22) surrounds the valve rod (8) and is screwed to the compression nut (23) in a threaded manner, so that the valve disk (2) moves together with the valve rod (8).
9. Subsea valve according to one of the claims 1-3,
the middle part inside the valve cover (5) is provided with a circular boss; the diameter of the circular boss is matched with that of the valve rod (8);
a packing gland (9) is arranged on the valve rod (8) and is arranged above the circular boss; the packing gland (9) is connected with the valve cover (5) through a fastener;
packing (18) is arranged below the packing gland (9), above the circular boss and between the valve rod (8) and the valve cover (5), and the packing (18) is compressed through the packing gland (9).
10. Subsea valve according to claim 9,
the material of the filler (18) is polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833869.9U CN210770270U (en) | 2019-10-29 | 2019-10-29 | Subsea valve with purging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921833869.9U CN210770270U (en) | 2019-10-29 | 2019-10-29 | Subsea valve with purging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210770270U true CN210770270U (en) | 2020-06-16 |
Family
ID=71043947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921833869.9U Active CN210770270U (en) | 2019-10-29 | 2019-10-29 | Subsea valve with purging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210770270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983175A (en) * | 2021-10-22 | 2022-01-28 | 上海沪东造船阀门有限公司 | Subsea valve with steam purging device |
| CN114046379A (en) * | 2021-10-18 | 2022-02-15 | 上海沪东造船阀门有限公司 | Subsea valve extension operation device and assembly operation method |
-
2019
- 2019-10-29 CN CN201921833869.9U patent/CN210770270U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046379A (en) * | 2021-10-18 | 2022-02-15 | 上海沪东造船阀门有限公司 | Subsea valve extension operation device and assembly operation method |
| CN114046379B (en) * | 2021-10-18 | 2024-04-23 | 上海沪东造船阀门有限公司 | Subsea valve extension operating device and assembly operating method |
| CN113983175A (en) * | 2021-10-22 | 2022-01-28 | 上海沪东造船阀门有限公司 | Subsea valve with steam purging device |
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