CN103147718A - 20000 psi cage type throttle valve - Google Patents
20000 psi cage type throttle valve Download PDFInfo
- Publication number
- CN103147718A CN103147718A CN2013100989226A CN201310098922A CN103147718A CN 103147718 A CN103147718 A CN 103147718A CN 2013100989226 A CN2013100989226 A CN 2013100989226A CN 201310098922 A CN201310098922 A CN 201310098922A CN 103147718 A CN103147718 A CN 103147718A
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- valve
- spool
- cage type
- 20000psi
- bearing
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- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 210000004907 gland Anatomy 0.000 claims description 10
- 241001080061 Talides Species 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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Abstract
The invention provides a 20000 psi cage type throttle valve which comprises a valve body, a valve seat, a valve rod, a valve core, a valve cap, a bearing, a valve rod nut and a hand wheel, wherein the valve seat is installed on a fluid flow passage of the valve body, the lower end of the valve core stretches into the valve seat and is fixed with the valve seat, and the upper end stretches into the bottom of the valve rod; the bearing is arranged at the upper end of the valve cap, one end of the valve rod nut stretches out of the bearing and is connected with the hand wheel, and the other end is connected onto the bearing; the upper end of the valve rod penetrates through the valve body and the valve cap in order and stretches into the valve rod nut; the bottom of the valve rod is provided with a carboloy inner bushing which is sleeved with the valve core; an upper gasket, an upper sealing ring, an upper check ring, a lower gasket, a lower sealing ring and a lower check ring are arranged inside the valve cap in order from top to bottom; and a metal sealing ring and a T-shaped sealing ring are also arranged between the valve seat and the valve body in order from top to bottom. The 20000 psi cage type throttle valve can work at the high-pressure working condition of 20000 psi. Compared with the prior art, the 20000 psi cage type throttle valve has long service life, accurate flow control, low working noise and small vibration, and the head of the valve rod is not easy to damage.
Description
Technical field
The present invention relates to a kind of choke valve, especially relate to a kind of cage type throttling valve that can work under the high pressure operating mode of 20000psi.
Background technology
The cage type throttling valve is a kind of as choke valve, and when being oil exploitation, requisite a kind of valve in production tree generally is used for the petroleum works of operating mode more complicated.But cage type throttling valve in the market, operating pressure is lower, and structure is comparatively simple, can not satisfy complicated working condition requirement at all.
Mainly there is following defective in the choke valve of prior art:
(1) due to operating mode, the erosion of valve rod is more serious, and the application life of choke valve is shorter;
(2) can produce very large noise during valve working;
(3) valve working time vibration is larger, and long-term vibration can cause secure component to lose efficacy, and causes danger;
(4) because the valve rod head is carbide alloy, when valve closing, the valve rod head directly contacts with spool, easily causes the valve rod head to damage in situation about clashing.
Summary of the invention
In order to overcome the defective of prior art, the purpose of this invention is to provide a kind ofly can work under the high pressure operating mode of 20000psi, long service life, precise control of flew, work noise are low, the little and non-damageable cage type throttling valve of valve rod head of vibration.
In order to achieve the above object, the invention provides a kind of 20000psi cage type throttling valve, it comprises valve body, valve seat, valve rod, spool, valve gap, bearing, valve stem nut, handwheel, valve seat is arranged on the fluid passage of valve body, the lower end of spool is stretched into and is fixed in valve seat, and stem bottom is stretched in its upper end; Bearing is arranged at the upper end of valve gap, and an end of valve stem nut stretches out bearing and is connected with handwheel, and the other end is connected on bearing; The upper end of valve rod is passed successively valve body and valve gap and is stretched in valve stem nut; It is characterized in that: stem bottom is provided with the Talide neck bush with the spool socket; Be provided with successively from top to bottom Upper gasket, upper sealing ring, upper back-up ring, lower gasket, lower sealing ring and lower back-up ring in valve gap; Also be provided with successively from top to bottom metallic packing ring and T-shaped sealing ring between valve seat and valve body.
Preferably, the position of the carbide alloy neck bush of the corresponding described stem bottom in the upper end of described valve seat is provided with the buffering locating ring.
Preferably, spool comprises epimere spool and hypomere spool, and the hypomere spool all is fixed in valve seat, and the bottom of epimere spool is fixed in valve seat, and the bottom of valve rod is stretched on the top of epimere spool, and the top of epimere spool is provided with the throttle orifice that distributes in the shape of a spiral.More preferably, the inner surface of described spool studs with WC cemented carbide layer.More preferably, the aperture is gradually little from top to bottom for described throttle orifice.
Preferably, described valve gap upper end also is provided with gland, is provided with O type circle between the medial surface of gland and the external surface of valve stem nut, also is provided with O type circle between the lower surface of gland and the upper surface of valve gap.
Preferably, the side of described valve gap also is provided with the holding screw for locking valve rod, also is provided with anti-rotoplug on described holding screw.
Preferably, the side of described valve body also is provided with the relief hole that communicates with fluid passage in valve body, and plug is installed on relief hole.
Preferably, be provided with middle flange seal ring between described valve gap and valve body.
Preferably, the top of described screw rod also is provided with to indicate the indicating dial of throttling precision.
Having the following advantages of 20000psi cage type throttling valve of the present invention:
(1) valve gap and valve body directly are tightly connected, and the structure of valve inner is compacter, have reduced to the full extent noise;
(2) upper sealing ring in valve gap can prevent that medium from flowing in valve stem nut, produces and reveal;
(3) lower sealing ring in valve gap plays the effect of sealing and stable valve rod; Metal sealing is with nonmetal sealing together with passing through between valve body for valve seat, and sealing performance is better;
(4) the buffering locating ring on valve seat can be avoided because clashing, and makes the valve rod neck bush damage;
(5) spool is comprised of two sections, the accurately throttling of epimere spool, and hypomere spool erosive wear resistance is better, can increase the service life, and the epimere spool does not need whole spool all to change when damaging yet.
Based on above-mentioned advantage, 20000psi cage type throttling valve of the present invention can be operated under the high pressure operating mode of 20000psi, and compared to prior art, and long service life of the present invention, precise control of flew, work noise is low, vibration is little and the valve rod head is difficult for damaging.
Description of drawings
Fig. 1 is the structural representation of 20000psi cage type throttling valve of the present invention.
Fig. 2 is spool and the valve seat construction schematic diagram of 20000psi cage type throttling valve of the present invention.
Fig. 3 is the structural representation of the valve rod of 20000psi cage type throttling valve of the present invention.
In accompanying drawing: 1, valve body; 2, valve seat; 3, metallic packing ring; 4, Talide neck bush; 5, middle flange seal ring; 6, nut; 7, double-screw bolt; 8, bearing; 9, anti-rotoplug; 10, holding screw; 11, valve stem nut; 12, O type circle; 13, gland; 14, O type circle; 15, key; 16, screw; 17, handwheel; 18, indicating dial; 19, O type circle; 20, screw; 21, Upper gasket; 22, upper sealing ring; 23, valve gap; 24, upper back-up ring; 25, lower gasket; 26, lower sealing ring; 27, plug; 28, lower back-up ring; 29, valve rod; 30, spool; 301, epimere spool; 302, hypomere spool.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
See also Fig. 1 to Fig. 3, the invention provides a kind of 20000psi cage type throttling valve, it comprises valve body 1, valve seat 2, valve rod 29, spool 30, valve gap 23, bearing 8, valve stem nut 11, handwheel 17, valve seat 2 is arranged on the fluid passage of valve body 1, the lower end of spool 30 is stretched into and is fixed in valve seat 2, and valve rod 29 bottoms are stretched in its upper end; Bearing 8 is arranged at the upper end of valve gap 23, and an end of valve stem nut 11 stretches out bearing 8 and is connected with handwheel 17, and the other end is connected on bearing 8; The upper end of valve rod 29 is passed successively valve body 1 and valve gap 23 and is stretched in valve stem nut 11; Valve rod 29 bottoms are provided with the Talide neck bush 4 with spool 30 sockets; Be provided with successively from top to bottom Upper gasket 21, upper sealing ring 22, upper back-up ring 24, lower gasket 25, lower sealing ring 26 and lower back-up ring 28 in valve gap 23; Also be provided with successively from top to bottom metallic packing ring 3 and T-shaped sealing ring 31 between valve seat 2 and valve body 1.
The position of the carbide alloy neck bush 4 of corresponding described valve rod 29 bottoms, the upper end of described valve seat 2 is provided with buffering locating ring 32.Described spool 30 comprises epimere spool 301 and hypomere spool 302, hypomere spool 302 all is fixed in valve seat 2, the bottom of epimere spool 301 is fixed in valve seat 2, and the bottom of valve rod 29 is stretched on the top of epimere spool 301, and the top of epimere spool 301 is provided with the throttle orifice 303 that distributes in the shape of a spiral.The inner surface of described spool 30 studs with WC cemented carbide layer.The aperture is gradually little from top to bottom for described throttle orifice 303.
Described valve gap 23 upper ends also are provided with gland 13, are provided with O type circle 14 between the medial surface of gland 13 and the external surface of valve stem nut, also are provided with O type circle 12 between the upper surface of the lower surface of gland 13 and valve gap 23.The side of described valve gap 23 also is provided with the holding screw 10 for locking valve rod 29.Also be provided with anti-rotoplug 9 on described holding screw 10.
The side of described valve body 1 also is provided with the relief hole that communicates with fluid passage in valve body 1, and plug 27 is installed in the hole.Be provided with middle flange seal ring 5 between described valve gap 23 and valve body 1.
The top of described screw rod 29 also is provided with to indicate the indicating dial 18 of throttling precision.
Operating principle of the present invention is: when valve working, medium is entered in the chamber of valve body 1 by the passage on the left side, and when valve was in fully open position, medium can by the throttle orifice 303 of upper valve core section 301, flow out from the lower exit passage; When the needs throttling, be with ovable valve stem 29 liftings by rotating handwheel 17, thereby change the area of throttle orifice 303, thereby reach the purpose of throttling; Be carved with the scale that shows the throttling precision on the indicating dial 18 at valve rod 29 tops, and holding screw 10 is housed, when rotation handwheel 17, when reaching the throttling precision of appointment by the scale on observation indicating dial 10 on valve gap 23, locking holding screw 10 prevents that valve rod 29 is loosening and affects the throttling precision.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics; its purpose is to allow person skilled in the art scholar can understand content of the present invention and implement according to this; can not limit protection scope of the present invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (10)
1. 20000psi cage type throttling valve, it comprises valve body, valve seat, valve rod, spool, valve gap, bearing, valve stem nut, handwheel, valve seat is arranged on the fluid passage of valve body, and the lower end of spool is stretched into and is fixed in valve seat, and stem bottom is stretched in its upper end; Bearing is arranged at the upper end of valve gap, and an end of valve stem nut stretches out bearing and is connected with handwheel, and the other end is connected on bearing; The upper end of valve rod is passed successively valve body and valve gap and is stretched in valve stem nut; It is characterized in that: stem bottom is provided with the Talide neck bush with the spool socket; Be provided with successively from top to bottom Upper gasket, upper sealing ring, upper back-up ring, lower gasket, lower sealing ring and lower back-up ring in valve gap; Also be provided with successively from top to bottom metallic packing ring and T-shaped sealing ring between valve seat and valve body.
2. a kind of 20000psi cage type throttling valve according to claim 1 is characterized in that: the position of the carbide alloy neck bush of the corresponding described stem bottom in the upper end of described valve seat is provided with the buffering locating ring.
3. a kind of 20000psi cage type throttling valve according to claim 1, it is characterized in that: described spool comprises epimere spool and hypomere spool, the hypomere spool all is fixed in valve seat, the bottom of epimere spool is fixed in valve seat, the bottom of valve rod is stretched on the top of epimere spool, and the top of epimere spool is provided with the throttle orifice that distributes in the shape of a spiral.
4. a kind of 20000psi cage type throttling valve according to claim 3, it is characterized in that: more preferably, the inner surface of described spool studs with WC cemented carbide layer.
5. a kind of 20000psi cage type throttling valve according to claim 3, it is characterized in that: described throttle orifice aperture from top to bottom is gradually little.
6. a kind of 20000psi cage type throttling valve according to claim 1, it is characterized in that: described valve gap upper end also is provided with gland, be provided with O type circle between the medial surface of gland and the external surface of valve stem nut, also be provided with O type circle between the lower surface of gland and the upper surface of valve gap.
7. a kind of 20000psi cage type throttling valve according to claim 1, it is characterized in that: the side of described valve gap also is provided with the holding screw for locking valve rod, also is provided with anti-rotoplug on described holding screw.
8. a kind of 20000psi cage type throttling valve according to claim 1 is characterized in that: the side of described valve body also is provided with the relief hole that communicates with fluid passage in valve body, and plug is installed on relief hole.
9. a kind of 20000psi cage type throttling valve according to claim 1, is characterized in that: be provided with middle flange seal ring between described valve gap and valve body.
10. a kind of 20000psi cage type throttling valve according to claim 1, it is characterized in that: the top of described screw rod also is provided with to indicate the indicating dial of throttling precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098922.6A CN103147718B (en) | 2013-03-26 | 2013-03-26 | 20000psi cage type throttling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310098922.6A CN103147718B (en) | 2013-03-26 | 2013-03-26 | 20000psi cage type throttling valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103147718A true CN103147718A (en) | 2013-06-12 |
| CN103147718B CN103147718B (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310098922.6A Active CN103147718B (en) | 2013-03-26 | 2013-03-26 | 20000psi cage type throttling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103147718B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603962A (en) * | 2013-11-27 | 2014-02-26 | 上海美钻设备成套有限公司 | Plunger-type throttle valve |
| CN103982481A (en) * | 2014-05-29 | 2014-08-13 | 徐州徐工液压件有限公司 | Hydraulic system and throttle valve |
| CN107208817A (en) * | 2015-02-02 | 2017-09-26 | 株式会社鹭宫制作所 | Throttling arrangement and freeze cycle |
| CN107859775A (en) * | 2017-12-13 | 2018-03-30 | 江苏威尔德钻采设备有限公司 | Cage type throttling valve |
| CN110985695A (en) * | 2019-12-31 | 2020-04-10 | 天津塘沽瓦特斯阀门有限公司 | Y-shaped flow-regulating pressure-regulating valve |
| CN112377624A (en) * | 2020-10-16 | 2021-02-19 | 纽威石油设备（苏州）有限公司 | Needle type throttle valve suitable for high-pressure working condition |
| CN112747134A (en) * | 2021-01-13 | 2021-05-04 | 马涛 | Manual flow regulating valve |
| CN113700871A (en) * | 2021-09-27 | 2021-11-26 | 九江中船消防设备有限公司 | Medium-pressure air throttle valve |
| CN119593724A (en) * | 2023-09-11 | 2025-03-11 | 中国石油天然气股份有限公司 | High-precision regulated sealing cage type regulating valve and use method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230299A (en) * | 1978-07-03 | 1980-10-28 | Petroleum Designers, Inc. | Pressure balanced gate valve having selective actuator systems |
| US4289157A (en) * | 1979-09-28 | 1981-09-15 | Combustion Engineering, Inc. | Valve with heat-responsive bearing assembly providing back seat arrangement |
| CN200958618Y (en) * | 2006-09-22 | 2007-10-10 | 江苏金石油气井口科技有限公司 | Flat valve |
| CN201731084U (en) * | 2010-06-23 | 2011-02-02 | 西南石油大学 | Novel erosion-resistant cage sleeve throttle valve |
| CN102086946A (en) * | 2010-12-07 | 2011-06-08 | 杭州春江阀门有限公司 | Multifunctional dynamic flow balancing valve |
| CN201874520U (en) * | 2010-11-12 | 2011-06-22 | 盐城市阳标石油机械有限公司 | Cage type throttling valve |
| CN203130038U (en) * | 2013-03-26 | 2013-08-14 | 纽威石油设备（苏州）有限公司 | 20000 psi cage-type throttle valve |
-
2013
- 2013-03-26 CN CN201310098922.6A patent/CN103147718B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230299A (en) * | 1978-07-03 | 1980-10-28 | Petroleum Designers, Inc. | Pressure balanced gate valve having selective actuator systems |
| US4289157A (en) * | 1979-09-28 | 1981-09-15 | Combustion Engineering, Inc. | Valve with heat-responsive bearing assembly providing back seat arrangement |
| CN200958618Y (en) * | 2006-09-22 | 2007-10-10 | 江苏金石油气井口科技有限公司 | Flat valve |
| CN201731084U (en) * | 2010-06-23 | 2011-02-02 | 西南石油大学 | Novel erosion-resistant cage sleeve throttle valve |
| CN201874520U (en) * | 2010-11-12 | 2011-06-22 | 盐城市阳标石油机械有限公司 | Cage type throttling valve |
| CN102086946A (en) * | 2010-12-07 | 2011-06-08 | 杭州春江阀门有限公司 | Multifunctional dynamic flow balancing valve |
| CN203130038U (en) * | 2013-03-26 | 2013-08-14 | 纽威石油设备（苏州）有限公司 | 20000 psi cage-type throttle valve |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103603962A (en) * | 2013-11-27 | 2014-02-26 | 上海美钻设备成套有限公司 | Plunger-type throttle valve |
| CN103603962B (en) * | 2013-11-27 | 2016-01-27 | 美钻石油钻采系统工程（上海）有限公司 | A kind of plunger-type throttle valve |
| CN103982481A (en) * | 2014-05-29 | 2014-08-13 | 徐州徐工液压件有限公司 | Hydraulic system and throttle valve |
| CN103982481B (en) * | 2014-05-29 | 2016-03-02 | 徐州徐工液压件有限公司 | Hydraulic system and throttle valve thereof |
| CN107208817A (en) * | 2015-02-02 | 2017-09-26 | 株式会社鹭宫制作所 | Throttling arrangement and freeze cycle |
| CN107208817B (en) * | 2015-02-02 | 2019-05-10 | 株式会社鹭宫制作所 | Throttle device and refrigeration cycle system |
| CN107859775A (en) * | 2017-12-13 | 2018-03-30 | 江苏威尔德钻采设备有限公司 | Cage type throttling valve |
| CN110985695A (en) * | 2019-12-31 | 2020-04-10 | 天津塘沽瓦特斯阀门有限公司 | Y-shaped flow-regulating pressure-regulating valve |
| CN112377624A (en) * | 2020-10-16 | 2021-02-19 | 纽威石油设备（苏州）有限公司 | Needle type throttle valve suitable for high-pressure working condition |
| CN112747134A (en) * | 2021-01-13 | 2021-05-04 | 马涛 | Manual flow regulating valve |
| CN113700871A (en) * | 2021-09-27 | 2021-11-26 | 九江中船消防设备有限公司 | Medium-pressure air throttle valve |
| CN119593724A (en) * | 2023-09-11 | 2025-03-11 | 中国石油天然气股份有限公司 | High-precision regulated sealing cage type regulating valve and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103147718B (en) | 2015-08-12 |
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