CN207261714U - Metal seal ball valve under high pressure water - Google Patents
Metal seal ball valve under high pressure water Download PDFInfo
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- CN207261714U CN207261714U CN201720795210.3U CN201720795210U CN207261714U CN 207261714 U CN207261714 U CN 207261714U CN 201720795210 U CN201720795210 U CN 201720795210U CN 207261714 U CN207261714 U CN 207261714U
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Abstract
The utility model discloses metal seal ball valve under a kind of high pressure water, including：Valve body：It is formed by connecting by main valve body and auxiliary valve body by stud, nut；Valve seat：Arranged on the inside of main valve body；Sphere：Arranged on the inside of valve seat；Lower axle：The bottom of main valve body is arranged in, the upper end insertion sphere of lower axle is corresponded in set card slot；Valve rod：The top of main valve body is arranged in, the lower end insertion sphere of valve rod is corresponded in set card slot, and upper end is then connected fixation with underwater robot driving device；Stuffing-box：It is arranged between main valve body and valve rod, inside filling airtight and watertight padding；Stent：Lower end is fixedly connected with stuffing-box, and upper end is fixedly connected with underwater robot driving device；Underwater robot driving device：The top of stent is arranged at, and is connected with the top of valve rod, for being turned on and off ball valve by valve rod rotating sphere.The utility model can bear the dual-pressure of internal flow and exterior seawater, good airproof performance, maintenance-free.
Description
Technical field
It the utility model is related to valve technology field, and in particular to metal seal ball valve under a kind of high pressure water.
Background technology
With hastening towards saturation day for China's coastal ocean oil development, and the oil demand of today's society rapid growth, I
State's offshore oil is accelerating to march to deep water.Start to walk in terms of the research and development of ocean underwater kit than later, mesh in China
The preceding country relies primarily on import also without the large-scale production ability of complete set of equipments.The more integrated dress of offshore oil production and application
It is equipped with：End-of-pipe control manifold, produce control manifold, subsea production tree etc. under water.Since underwater ball valve has low flow resistance can with height
The advantages that by property, become the preferred component of these integrating devices, the good and bad reliability and peace for determining these integrating devices of its performance
Quan Xing.It is growing to the demand of the water polo valve of larger caliber and high pressure with the continuous development in deep water hydrocarbon field.
The special environment of deep water proposes underwater ball valve many new challenges：
1st, high pressure：The internal fluid pressure of underwater ball valve may be up to 103.5MPa at present, and external seawater pressure is up to
40MPa。
2nd, bidirectional bearing：Underwater ball valve will not only bear pipeline internal high pressure Fluid pressure, but also still suffer from exterior height
Press seawater pressure.
3rd, zero leakage：If underwater ball valve leaks, not only economy is suffered a loss, and also makes water body contaminated, to safety belt
Carry out hidden danger, its consequence is extremely serious, caused by loss it is inestimable.It is therefore desirable to the underwater necessary zero leakage of ball valve, to environment zero
Pollution.
4th, maintenance-free：The projected life of underwater ball valve should be equal to the projected life of pipeline, may be up to 50 years, under water
Ball valve often installation under water hundreds of meters or a few kms it is underwater, as a consequence it is hardly possible to underwater ball valve is safeguarded, this requires underwater ball
Valve must maintenance-free.
5th, special mode of operation：For the underwater ball valve for shallow water area, gear can be selected in executing agency, by
Diver is manually operated.For the underwater ball valve of deepwater regions, due to diver can not reach can it is costly, it is necessary to using
ROV (underwater robot) and torque wrench are operated.
In view of the challenge of deepwater environment, conventional ground ball valve can not be met the requirements, need to be to underwater ball valve development system, complete
The research in face.
The content of the invention
The purpose of this utility model is that the challenge of the underwater ball valve of reply deep water particular surroundings, so as to provide a kind of height
Press underwater metal seal ball valve.
To achieve the above object, metal seal ball valve includes under the high pressure water of the utility model：
Valve body：It is formed by connecting by main valve body and auxiliary valve body by stud, nut；
Valve seat：Arranged on the inside of main valve body；
Sphere：Arranged on the inside of valve seat；
Lower axle：The bottom of main valve body is arranged in, the upper end insertion sphere of lower axle is corresponded in set card slot；
Valve rod：Be arranged in the top of main valve body, the lower end insertion sphere of valve rod is corresponded in set card slot, upper end then with water
Lower robot driving device connection is fixed；
Stuffing-box：It is arranged between main valve body and valve rod, inside filling airtight and watertight padding；
Stent：Lower end is fixedly connected with stuffing-box, and upper end is fixedly connected with underwater robot driving device；
Underwater robot driving device：The top of stent is arranged at, and is connected with the top of valve rod, for being turned by valve rod
Sphere is moved to be turned on and off ball valve.
According to the utility model, the first gasket seal and the first high-voltage explosion-proof type are installed between the lower axle and main valve body
Circle, forms dual-seal.
According to the utility model, the second gasket seal and the second high-voltage explosion-proof are installed between the main valve body and auxiliary valve body
O-ring, forms dual-seal.
According to the utility model, the valve seat is combination sealing valve seat, and the quantity of valve seat is two, is pacified in relative direction
Dress.
Further, it is O-shaped to include preloading spring, trim ring, valve seat insert, the 3rd high-voltage explosion-proof for the combination sealing valve seat
Circle and valve seat；The trim ring is installed in auxiliary valve body；The preloading spring is installed in trim ring, and positioned at the lumen end of auxiliary valve body
Between face and trim ring；The valve seat is installed in auxiliary valve body, and is located at trim ring side；The valve seat insert is installed on valve seat one
Hold and contacted with trim ring；The 3rd high-voltage explosion-proof O-ring is installed on valve seat.
According to the utility model, by lower e axle supporting, sphere upper end is equipped with square groove, and passes through square groove for the sphere lower end
Couple with the lower end of valve rod；The upper end of the valve rod uses key connecting with underwater robot driving device.
According to the utility model, the bottom of the valve rod is equipped with the shaft shoulder, and the stuffing-box is pressed on the shaft shoulder of stem bottom,
Stuffing-box lower end is fixed with main valve body, and upper end is fixed with stent.
According to the utility model, the combination sealing filler includes the 4th high-voltage explosion-proof O-ring, accumulation of energy circle and low leakage V
Type filler, wherein：
The 4th high-voltage explosion-proof O-ring described in two is installed, the 4th high-voltage explosion-proof O-ring is used for just in the middle part of the valve rod
Beginning two way seal；
The quantity of the accumulation of energy circle is two, on valve rod, and using the opposite mounting means in direction, the accumulation of energy
Circle is used for primary seal；
The low leakage V-type filler includes two groups, on valve rod, low leakage V-type filler positioned at two accumulation of energy circles it
Between, using the opposite mounting means in direction, low leakage V-type filler is as auxiliary seal.
According to the utility model, the 5th high-voltage explosion-proof O-ring is installed between the stent and stuffing-box, the stent with
6th high-voltage explosion-proof O-ring is installed between underwater robot driving device.
According to the utility model, the sealing surface of the valve seat is equipped with the arc skiving blade to match with the sphere of sphere,
Can wipe off it is dirty on sphere, ensure spherome surface it is clean, it is ensured that metal seal ball valve switchs freely all the time under high pressure water, eventually
Body is non-maintaining.
The beneficial effects of the utility model are：
1) between lower axle and main valve body, many places are O-shaped using gasket seal and high-voltage explosion-proof between main valve body and auxiliary valve body etc.
Circle realizes dual-seal function, ensures that internal high pressure fluid does not leak outside and exterior high pressure sea water is not interior and oozes.
2) main valve body and auxiliary valve body use forging, overcome the inherent shortcoming of casting, have the pressure boundary of higher
Integrality, two-way can bear high pressure.
3) sphere uses metal to metal seal with valve seat, and sphere matches grinding with valve seat and ensures that sealing surface 100% is close
Coordinate, ensure metal seal ball valve leakproofness under high pressure water, realize zero leakage.
4) on the sealing surface of valve seat design with sharp edge skiving blade, skiving blade can wipe off it is dirty on sphere,
Ensure that spherome surface is clean, it is ensured that metal seal ball valve switchs freely all the time under high pressure water, maintenance-free.
5) sphere runner mouth edge passes through Passivation Treatment, avoids the hardened layer crackle caused by sharp edge.Meanwhile sphere is adopted
Designed with oversize, it is allowed to have 5~7% additional travel, eliminate and made because of inaccurate close of underwater robot driving device
Into accidental release.
6) combination sealing filler realizes triple seal function.Realization, which prevents from inwardly producing under high pressure sea water buffer brake, oozes
Leakage.Combination sealing filler can ensure no matter high pressure sea water of the pressure from internal high pressure fluid or outside can be realized reliably and with long-term
Sealing and non-maintaining.
Brief description of the drawings
Fig. 1 be the utility model high pressure water under metal seal ball valve overall structure diagrammatic cross-section.
Fig. 2 is the partial enlargement structural representation shown in I in Fig. 1.
Fig. 3 is the partial enlargement structural representation shown in II in Fig. 1.
Fig. 4 is the structure diagram of the sphere of the utility model.
Fig. 5 is the partial enlargement structural representation described in III in Fig. 1.
Reference numeral：
1st, lower axle；2nd, lower axle gasket seal；3rd, the first high-voltage explosion-proof O-ring；4th, main valve body；4a, main valve intracoelomic cavity built-up welding
Layer；5th, stud；6th, nut；7th, the second gasket seal；8th, the second high-voltage explosion-proof O-ring；9th, auxiliary valve body；9a, auxiliary valve body inner cavity heap
Layer；10th, combination sealing valve seat；10a, preloading spring；10b, trim ring；10c, valve seat insert；10d, valve seat high-voltage explosion-proof " O "
Type circle；10e, valve seat；10e1, skiving blade；11st, sphere；11a, square groove；12nd, valve rod；12a, the shaft shoulder；13rd, stuffing-box；14th, group
Close airtight and watertight padding；14a, the 4th high-voltage explosion-proof O-ring；14b, accumulation of energy circle；14c, low leakage V-type filler；15th, stent；15a,
Five high-voltage explosion-proof O-rings；15b, the 6th high-voltage explosion-proof O-ring；16th, underwater robot driving device.
Embodiment
Below in conjunction with attached drawing, metal seal ball valve under the high pressure water of the utility model is done with specific embodiment further in detail
Describe in detail bright.It should crack, following embodiments are merely to illustrate the utility model not for restriction the scope of the utility model.
As shown in Figure 1, metal seal ball valve includes under the high pressure water of the utility model：
Valve body：It is formed by connecting by main valve body 4 and auxiliary valve body 9 by stud 5, nut 6；
Valve seat 10：Arranged on the inside of main valve body 4；
Sphere 11：Arranged on the inside of valve seat 10；
Lower axle 1：The bottom of main valve body 4 is arranged in, the upper end insertion sphere 11 of lower axle 1 is corresponded in set card slot；
Valve rod 12：The top of main valve body 4 is arranged in, the lower end insertion sphere 11 of valve rod 12 is corresponded in set card slot, on
End is then connected fixation with underwater robot driving device 16；
Stuffing-box 13：It is arranged between main valve body 4 and valve rod 12, inside filling airtight and watertight padding 14；
Stent 15：Lower end is fixedly connected with stuffing-box 13, and upper end is fixedly connected with underwater robot driving device 16；
Underwater robot driving device：The top of stent 15 is arranged at, and is connected with the top of valve rod 12, for passing through valve
12 rotating sphere 11 of bar is to be turned on and off ball valve.
Wherein：First gasket seal 2 and the first high-voltage explosion-proof O-ring 3, institute are installed between the lower axle 1 and main valve body 4
State the first gasket seal 2 and dual-seal function is realized in the combination of the first high-voltage explosion-proof O-ring 3, ensure that internal high pressure fluid is not outer
Leakage and the exterior not interior leakage of high pressure sea water, to zero environmental.
Second gasket seal 7 and the second high-voltage explosion-proof O-ring 8 are installed between the main valve body 4 and auxiliary valve body 9, it is described
The combination of second gasket seal 7 and the second high-voltage explosion-proof O-ring 8 can equally play the role of dual-seal.
Fixed between main valve body 4 and auxiliary valve body 9 by stud 5, the connection of nut 6；Main valve body 4 and auxiliary valve body 9 are using forging
Part is made, and overcomes the inherent shortcoming of casting, such as stomata, slag inclusion, loose, and forging has the pressure boundary of higher compared with casting
Integrality, main valve body 4 and auxiliary valve body 9 two-way can bear high pressure.The valve seat 10 is combination sealing valve seat, is assemblied in auxiliary valve body 9
It is interior, and it is two to seal 10 quantity of valve seat, is installed in relative direction.
11 lower end of sphere is supported by lower axle 1, and 11 upper end of sphere is equipped with square groove 11a (Fig. 4), and passes through square groove
11a couples with the lower end of valve rod 12.The upper end of the valve rod 12 uses key connecting, the valve with underwater robot driving device 16
12 bottom of bar is equipped with shaft shoulder 12a.The stuffing-box 13 is pressed on the shaft shoulder 12a of 12 bottom of valve rod, 13 lower end of stuffing-box and main valve
Body 4 is fixed, and upper end is fixed with stent 15.The stent 15 between stuffing-box 13 and underwater robot driving device 16, and
It is fixedly connected with underwater robot driving device 16.
As shown in Fig. 2, the combination sealing valve seat 10 includes preloading spring 10a, trim ring 10b, valve seat insert 10c, the
Three high-voltage explosion-proof O-ring 10d and valve seat 10e；The trim ring 10b is installed in auxiliary valve body 9；The preloading spring 10a is installed on
In trim ring 10b, and between the inner cavity end face of auxiliary valve body 9 and trim ring 10b；The valve seat 10e is installed in auxiliary valve body 9, and
Positioned at trim ring 10b sides；The valve seat insert 10c is installed on valve seat 10e one end and is contacted with trim ring 10b；Described 3rd is high
Explosion-proof O-ring 10d is pressed to be installed on valve seat 10e.
In this way, preloading spring 10a promotes trim ring 10b to press to valve seat close since the elastic force that compression produces acts on trim ring 10b
Seal 10c, realizes first of radial seal of valve seat 10e and auxiliary valve body 9, and the 3rd high-voltage explosion-proof O-ring 10d realizes valve seat 10e
With the second radial seal of auxiliary valve body 9, ensure valve seat 10e with 9 radial seal of auxiliary valve body without any leakage.Valve seat 10e and ball
The sphere that body 11 is in contact has carried out cure process, causes hardness to reduce to prevent washing away for high-pressure fluid medium, and valve seat
10e is ground with sphere 11 by machining and high accuracy, it is ensured that 100% sealing between valve seat 10e and sphere 11.
As shown in figure 3, the combination sealing filler 14 includes the 4th high-voltage explosion-proof O-ring 14a, accumulation of energy circle 14b and low lets out
Leak V-type filler 14c；The middle part of valve rod 12 is provided with two the 4th high-voltage explosion-proof O-ring 14a, the 4th high-voltage explosion-proof O-ring
14a is sealed for initial two-way；The quantity of the accumulation of energy circle 14b is two, on valve rod 12, and opposite using direction
Mounting means；Accumulation of energy circle 14b is used for primary seal；The low leakage V-type filler 14c is low to let out on valve rod 12 including two groups
V-type filler 14c is leaked between two accumulation of energy circle 14b, using the opposite mounting means in direction, low leakage V-type filler during installation
14c is as auxiliary seal.4th high-voltage explosion-proof O-ring 14a, accumulation of energy circle 14b and low leakage V-type filler 14c use above-mentioned peace
Dress mode, which can be realized, to be prevented under high pressure sea water buffer brake inwardly producing leakage, combination sealing filler 14 can ensure no matter pressure
High pressure sea water from internal high pressure fluid or outside can realize sealing reliably and with long-term and non-maintaining.
In the present embodiment, the quantity of the first high-voltage explosion-proof O-ring 3 is two, can realize dual sealing functions.
The material of the main valve body 4 and auxiliary valve body 9 is：Carbon steel, two phase stainless steel or nickel-base alloy.Carbon steel is mainly used for pair
Carbon dioxide content requires the high and working condition in relatively low design temperature, in order to improve the corrosion resistance of carbon steel and material
The nickel-base alloy of the cost performance used, main valve body 4 and auxiliary valve body 9 and more than the position built-up welding 3mm of media contact：Main valve intracoelomic cavity
Overlay cladding 4a, auxiliary valve body inner cavity overlay cladding 9a.Two phase stainless steel is mainly used for most high-pressure fluid and more than 80 ° of chlorination
Thing corrosive environment.Nickel-base alloy has excellent corrosion resistance, is resistant to various corrosion high-pressure fluid mediums.
The sphere 11 can the pivoting in lower axle 1, general to rotate 90 ° of Push And Releases that valve can be achieved, sphere 11 is adopted
Designed with oversize, it is allowed to have 5~7% additional rotation stroke, can eliminate because underwater robot driving device 16 is inaccurate
Close and caused by accidental release.
5th high-voltage explosion-proof O-ring 15a, the stent 15 and underwater machine are installed between the stent 15 and stuffing-box 13
6th high-voltage explosion-proof O-ring 15b is installed between device people driving device 16.
As shown in figure 5, the sealing surface of the valve seat 10e is equipped with the arc skiving blade to match with the sphere of sphere 11
10e1, skiving blade 10e1 can wipe off dirty on sphere 11, ensure that sphere 11 surface is clean, it is ensured that metal is close under high pressure water
Blocking valve switchs freely all the time, maintenance-free.
It is described above to be merely exemplary for the utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case where not departing from the spirit and scope that claim is limited, any modification, change or the equivalent shape that can make
Formula is fallen within the protection domain of utility model.
Claims (10)
- A kind of 1. metal seal ball valve under high pressure water, it is characterised in that including：Valve body：It is formed by connecting by main valve body and auxiliary valve body by stud, nut；Valve seat：Arranged on the inside of main valve body；Sphere：Arranged on the inside of valve seat；Lower axle：The bottom of main valve body is arranged in, the upper end insertion sphere of lower axle is corresponded in set card slot；Valve rod：Be arranged in the top of main valve body, the lower end insertion sphere of valve rod is corresponded in set card slot, upper end then with underwater machine The connection of device people driving device is fixed；Stuffing-box：It is arranged between main valve body and valve rod, inside filling combination sealing filler；Stent：Lower end is fixedly connected with stuffing-box, and upper end is fixedly connected with underwater robot driving device；Underwater robot driving device：The top of stent is arranged at, and is connected with the top of valve rod, for passing through valve rod rotating ball Body is to be turned on and off ball valve.
- 2. metal seal ball valve under high pressure water according to claim 1, it is characterised in that between the lower axle and main valve body First gasket seal and the first high-voltage explosion-proof type circle are installed, form dual-seal.
- 3. metal seal ball valve under high pressure water according to claim 1, it is characterised in that the main valve body and auxiliary valve body it Between the second gasket seal and the second high-voltage explosion-proof O-ring be installed, form dual-seal.
- 4. metal seal ball valve under high pressure water according to claim 1, it is characterised in that the valve seat is combination sealing valve Seat, the quantity of valve seat is two, is installed in relative direction.
- 5. metal seal ball valve under high pressure water according to claim 4, it is characterised in that the combination sealing valve seat includes Preloading spring, trim ring, valve seat insert, the 3rd high-voltage explosion-proof O-ring and valve seat；The trim ring is installed in auxiliary valve body；It is described Preloading spring is installed in trim ring, and between the inner cavity end face of auxiliary valve body and trim ring；The valve seat is installed in auxiliary valve body, And it is located at trim ring side；The valve seat insert is installed on valve seat one end and is contacted with trim ring；The 3rd high-voltage explosion-proof O-ring On valve seat.
- 6. metal seal ball valve under high pressure water according to claim 1, it is characterised in that the sphere lower end is by lower axle branch Hold, sphere upper end is equipped with square groove, and is coupled by square groove with the lower end of valve rod；The upper end of the valve rod and underwater robot Driving device uses key connecting.
- 7. metal seal ball valve under high pressure water according to claim 1, it is characterised in that the bottom of the valve rod is equipped with axis Shoulder, the stuffing-box are pressed on the shaft shoulder of stem bottom, and stuffing-box lower end is fixed with main valve body, and upper end is fixed with stent.
- 8. metal seal ball valve under high pressure water according to claim 1, it is characterised in that the combination sealing filler includes 4th high-voltage explosion-proof O-ring, accumulation of energy circle and low leakage V-type filler, wherein：The 4th high-voltage explosion-proof O-ring described in two is installed, the 4th high-voltage explosion-proof O-ring is used for initial double in the middle part of the valve rod To sealing；The quantity of the accumulation of energy circle is two, is used on valve rod, and using the opposite mounting means in direction, the accumulation of energy circle In primary seal；The low leakage V-type filler includes two groups, and on valve rod, low leakage V-type filler is adopted between two accumulation of energy circles With the opposite mounting means in direction, low leakage V-type filler is as auxiliary seal.
- 9. metal seal ball valve under high pressure water according to claim 1, it is characterised in that between the stent and stuffing-box 5th high-voltage explosion-proof O-ring is installed, it is O-shaped to be provided with the 6th high-voltage explosion-proof between stent and the underwater robot driving device Circle.
- 10. metal seal ball valve under high pressure water according to claim 1, it is characterised in that on the sealing surface of the valve seat The arc skiving blade to match equipped with the sphere with sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795210.3U CN207261714U (en) | 2017-07-03 | 2017-07-03 | Metal seal ball valve under high pressure water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720795210.3U CN207261714U (en) | 2017-07-03 | 2017-07-03 | Metal seal ball valve under high pressure water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261714U true CN207261714U (en) | 2018-04-20 |
Family
ID=61926308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720795210.3U Active CN207261714U (en) | 2017-07-03 | 2017-07-03 | Metal seal ball valve under high pressure water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251477A (en) * | 2021-12-23 | 2022-03-29 | 深圳海油工程水下技术有限公司 | Deep water integrated ROV single-operation multi-isolation valve |
-
2017
- 2017-07-03 CN CN201720795210.3U patent/CN207261714U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251477A (en) * | 2021-12-23 | 2022-03-29 | 深圳海油工程水下技术有限公司 | Deep water integrated ROV single-operation multi-isolation valve |
| CN114251477B (en) * | 2021-12-23 | 2024-05-28 | 中海油深圳海洋工程技术服务有限公司 | Deep water integrated ROV single-operation multi-isolation valve |
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