CN204852392U - Choke valve with adjustable gas production - Google Patents
Choke valve with adjustable gas production Download PDFInfo
- Publication number
- CN204852392U CN204852392U CN201520429897.XU CN201520429897U CN204852392U CN 204852392 U CN204852392 U CN 204852392U CN 201520429897 U CN201520429897 U CN 201520429897U CN 204852392 U CN204852392 U CN 204852392U
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- valve
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- support
- gas production
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Abstract
The utility model discloses choke valve with adjustable gas production relates to a choke valve that is arranged in gas production or oil recovery wellhead assembly to adjust the amount of production of gas or oil. The utility model discloses a valve body, a valve cove, a valve sea, and a support, the valve rod, the pole is sealed, the hand wheel, the latch segment, locking screw, be provided with the valve pocket in the valve body, the side of valve body is provided with the flange, be provided with the influent stream mouth with the valve pocket intercommunication in the flange, disk seat and valve pocket threaded connection, establish the oil gas passageway in the disk seat, the support lower extreme stretches into in the valve pocket, the support surface is the echelonment, set up porosely on the support, the latch segment sets up downthehole, locking screw can twist downtheholely and press on the latch segment, the valve gap cover establish the support surface and with the support block, valve gap fixed connection is in the upper end of valve pocket, the support is passed in proper order to the bottom of valve rod, the valve pocket, and the valve rod bottom is stretched into in the oil gas passageway, the sealed setting of pole upper portion in the support just is located between support and the valve rod, accessible locking screw locking between valve rod and the support, hand wheel fixed connection is in the valve rod upper end.
Description
Technical field
The utility model relates to a kind of throttle valve, particularly relates to a kind of for regulating the throttle valve of the yielding capacity of gas or oil in gas production or wellhead for production.
Background technique
Adjustable throttle valve is mainly used in the yielding capacity regulating gas (or oil) in gas production (or oil recovery) wellhead assembly.Adjustable throttle valve is to reach the valve of control media uninterrupted by the size rotarily driving the throttling cross section of the move up and down spool that changes valve rod and the valve seat of valve rod of handwheel.In the flowing well of oil field, petroleum resources flow into ground wellhead assembly through oil pipe due to the pressure on stratum, the pressure of oil gas is above the ground level the pressure of crude oil treating device and delivering pipe, flowing medium enters ground crude oil treating device after carrying out throttling, step-down by throttle valve, by regulating throttle valve, set the throttle diameter less than gas production (oil) well head inside nominal diameter.When flowing medium enters in valve pocket by throttle valve entrance, because passage diminishes suddenly, the flow velocity of fluid increases suddenly, pressure drop, and fluid at a high speed produces very large impact force to spool and valve seat.This impact causes valve rod constantly to vibrate, and has very strong erosion ability to spool and valve seat.Serious situation makes spool serious wear even break, cause Solid Coupling Analysis of Throttle Valve, causes field produces to stop, and now just needs quick-replaceable throttle valve.
In prior art, valve seat is fixedly connected with valve body, spool and valve rod body of rod brazing, will integral replacing throttle valve when changing, and loses time, workload is large, cost is high, maintenance is inconvenient.
Model utility content
The technical problems to be solved in the utility model is to provide the gas production adjustable throttle valve that a kind of structure is simple, cost is low, easy and simple to handle.
The utility model gas production adjustable throttle valve, comprise valve body, valve gap, valve seat, support, valve rod, rod seal, handwheel, locking block, lock screw, valve pocket is provided with in described valve body, the side of described valve body is provided with flange, the influent stream mouth be communicated with valve pocket is provided with in described flange, the lower inner wall of described valve pocket is provided with internal thread, the outer wall of described valve seat arranges outside thread, described valve seat is connected by the screw-internal thread fit of outside thread with described valve pocket inwall, described valve seat inside is provided with gas channel, the lower end of described support is stretched in valve pocket, the outer surface of described support is stepped, described support is arranged porose, described locking block is arranged in hole, described lock screw can be pressed on locking block in threaded through bores, lock by lock screw between described valve rod and support, described valve gap is set in rack outer surface and engages with support, described valve gap is fixedly connected on the upper end of valve pocket, the bottom of described valve rod is successively through support, valve pocket, and stem bottom stretches in gas channel, described rod seal is arranged on support internal upper part and between support and valve rod, by screw lock between described rod seal and valve rod, described handwheel is fixedly connected on valve rod upper end.
The utility model gas production adjustable throttle valve, wherein said valve rod comprises the body of rod, attaching nut, cutting ferrule, spool, ladder tapped through hole is set in described attaching nut, the top of described spool is stretched in ladder tapped through hole and the upper-end surface of spool and is withstood on the end face of ladder tapped through hole, the outer surface of upper of described spool is provided with step trough, described cutting ferrule embeds in step trough, the upper-end surface of described cutting ferrule withstands on the end face of ladder tapped through hole, the lower end surface of described cutting ferrule withstands on spool, the outer surface of described cutting ferrule is provided with clip-sleeve external-thread, described cutting ferrule is connected with the threaded one end of attaching nut, the lower end of the described body of rod arranges body of rod outside thread, the lower end of the described body of rod is threaded with the other end of attaching nut.This kind of setting of valve rod is completely different from the mode of brazing between original spool and the body of rod, when needing to change, without integral replacing valve rod, changes local.
The utility model gas production adjustable throttle valve, wherein said valve rod also comprises pin, described pin through attaching nut, the body of rod lower end and attaching nut and the body of rod are fixed.
The utility model gas production adjustable throttle valve, wherein also comprises sealing case, and described sealing case to be arranged in valve pocket and to be set in stem exterior surface.
The utility model gas production adjustable throttle valve, the side of wherein said valve body is provided with the bleed valve be communicated with valve pocket.
The utility model gas production adjustable throttle valve, is provided with filler and packing ring between the inwall of wherein said sealing case and the outer surface of valve rod, described gasket sleeve is located at stem exterior surface.
The utility model gas production adjustable throttle valve, is provided with seal ring between the outer wall of wherein said sealing case and valve interior wall.
The utility model gas production adjustable throttle valve, is provided with the first seal ring and the second seal ring between wherein said valve seat and valve body.
The utility model gas production adjustable throttle valve, wherein said valve gap is fixedly connected on the upper end of valve pocket by bolt, nut.
The utility model gas production adjustable throttle valve, wherein said spool adopts cemented carbide to make.
The utility model gas production adjustable throttle valve difference from prior art is that the valve seat of the utility model gas production adjustable throttle valve and valve body are provided separately, be not wholely set, when the prooving of valve seat is serious, only need to change valve seat, whole throttle valve need not be changed, cost-saving and easy to maintenance.
Below in conjunction with accompanying drawing, gas production adjustable throttle valve of the present utility model is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model gas production adjustable throttle valve;
Fig. 2 is the structural representation of valve rod in the utility model.
Embodiment
As shown in Figure 1, the utility model gas production adjustable throttle valve comprises valve body 1, valve gap 2, valve seat 3, support 4, valve rod 5, rod seal 6, handwheel 7, locking block 8, lock screw 9, valve pocket 11 is provided with in valve body 1, the side of valve body 1 is provided with flange 12, flange 12 is for being connected with other valve (not included in the utility model), the influent stream mouth 121 be communicated with valve pocket 11 is provided with in flange 12, the lower inner wall of valve pocket 11 is provided with internal thread, the outer wall of valve seat 3 arranges outside thread, valve seat 3 is connected by the screw-internal thread fit of outside thread with valve pocket 11 inwall, the first seal ring 21 and the second seal ring 22 is provided with between valve seat 3 and valve body 1, valve seat 3 inside is provided with gas channel 31, the lower end of support 4 is stretched in valve pocket 11, the outer surface of support 4 is stepped, support 4 arranges porose 41, locking block 8 is arranged in hole 41, lock screw 9 can be pressed on locking block 8 in threaded through bores 41, valve rod 5 and support 4 are locked by lock screw 9, valve gap 2 is set in support 4 outer surface and engages with support 4, valve gap 2 is by bolt 17, nut 18 is fixedly connected on the upper end of valve pocket 11, the bottom of valve rod 5 is successively through support 4, valve pocket 11, and stretch into bottom valve rod 5 in gas channel 31, rod seal 6 is arranged on support 4 internal upper part and between support 4 and valve rod 5, lock by screw 10 between rod seal 6 and valve rod 5, handwheel 7 is fixedly connected on valve rod 5 upper end.
The utility model also comprises sealing case 13, sealing case 13 to be arranged in valve pocket 11 and to be set in valve rod 5 outer surface, seal ring 16 is provided with between the outer wall of sealing case 13 and valve body 1 inwall, be provided with filler 14 and packing ring 15 between the inwall of sealing case 13 and the outer surface of valve rod 5, packing ring 15 is set in valve rod 5 outer surface.
In the utility model, the side of valve body 1 is provided with the bleed valve 23 be communicated with valve pocket 11.
Spool adopts the cemented carbide of Anti-erosion to make.
As shown in Figure 2, in the utility model, valve rod 5 comprises the body of rod 51, attaching nut 52, pin 53, cutting ferrule 54, spool 55, ladder tapped through hole 521 is set in attaching nut 52, the top of spool 55 is stretched in ladder the tapped through hole 521 and upper-end surface of spool 55 and is withstood on the end face 522 of ladder tapped through hole 521, the outer surface of upper of spool 55 is provided with step trough 551, cutting ferrule 54 embeds in step trough 551, the upper-end surface of cutting ferrule 54 withstands on the end face 522 of ladder tapped through hole 521, the lower end surface 542 of cutting ferrule 54 withstands on spool 55, the outer surface of cutting ferrule 54 is provided with clip-sleeve external-thread 541, cutting ferrule 54 is connected with the threaded one end of attaching nut 52, the lower end of the body of rod 51 arranges body of rod outside thread 511, the lower end of the body of rod 51 is threaded with the other end of attaching nut 52 and is fixed by pin 53.
During use, rotation hand wheel 7, moving up and down of band ovable valve stem 5, and then the size of the spool 55 and the throttling cross section of valve seat 3 that change valve rod 5 is to reach the valve of control media uninterrupted.After adjusting throttling cross-sectional sizes, stop the rotation handwheel 7, by screwing lock screw 9, the body of rod 51 of valve rod 5 is fixed with the relative position of support 4, by tightening screw 10, the body of rod 51 and rod seal 6 position are fixed, and rod seal 6 and support 4 position are fixed, so the relative position of the body of rod 51 with support 4 can be fixed, throttling cross section no longer changes.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (10)
1. a gas production adjustable throttle valve, it is characterized in that: comprise valve body (1), valve gap (2), valve seat (3), support (4), valve rod (5), rod seal (6), handwheel (7), locking block (8), lock screw (9), valve pocket (11) is provided with in described valve body (1), the side of described valve body (1) is provided with flange (12), the influent stream mouth (121) be communicated with valve pocket (11) is provided with in described flange (12), the lower inner wall of described valve pocket (11) is provided with internal thread, the outer wall of described valve seat (3) arranges outside thread, described valve seat (3) is connected by the screw-internal thread fit of outside thread with described valve pocket (11) inwall, described valve seat (3) inside is provided with gas channel (31), the lower end of described support (4) is stretched in valve pocket (11), the outer surface of described support (4) is stepped, described support (4) is arranged porose (41), described locking block (8) is arranged in hole (41), described lock screw (9) can be pressed on locking block (8) in threaded through bores (41), described valve gap (2) is set in support (4) outer surface and engages with support (4), described valve gap (2) is fixedly connected on the upper end of valve pocket (11), the bottom of described valve rod (5) is successively through support (4), valve pocket (11), and valve rod (5) bottom is stretched in gas channel (31), described rod seal (6) is arranged on support (4) internal upper part and is positioned between support (4) and valve rod (5), lock by screw (10) between described rod seal (6) and valve rod (5), described handwheel (7) is fixedly connected on valve rod (5) upper end.
2. gas production adjustable throttle valve according to claim 1, it is characterized in that: described valve rod (5) comprises the body of rod (51), attaching nut (52), cutting ferrule (54), spool (55), ladder tapped through hole (521) is set in described attaching nut (52), the top of described spool (55) is stretched in ladder tapped through hole (521) and the upper-end surface of spool (55) and is withstood on the end face (522) of ladder tapped through hole (521), the outer surface of upper of described spool (55) is provided with step trough (551), described cutting ferrule (54) embeds in step trough (551), the upper-end surface of described cutting ferrule (54) withstands on the end face (522) of ladder tapped through hole (521), the lower end surface (542) of described cutting ferrule (54) withstands on spool (55), the outer surface of described cutting ferrule (54) is provided with clip-sleeve external-thread (541), described cutting ferrule (54) is connected with the threaded one end of attaching nut (52), the lower end of the described body of rod (51) arranges body of rod outside thread (511), the lower end of the described body of rod (51) is threaded with the other end of attaching nut (52).
3. gas production adjustable throttle valve according to claim 2, it is characterized in that: described valve rod (5) also comprises pin (53), described pin (53) through attaching nut (52), the body of rod (51) lower end and attaching nut and the body of rod (51) are fixed.
4. the gas production adjustable throttle valve according to any one of claim 1-3, it is characterized in that: also comprise sealing case (13), described sealing case (13) to be arranged in valve pocket (11) and to be set in valve rod (5) outer surface.
5. gas production adjustable throttle valve according to claim 4, is characterized in that: the side of described valve body (1) is provided with the bleed valve (23) be communicated with valve pocket (11).
6. gas production adjustable throttle valve according to claim 5, it is characterized in that: be provided with filler (14) and packing ring (15) between the inwall of described sealing case (13) and the outer surface of valve rod (5), described packing ring (15) is set in valve rod (5) outer surface.
7. gas production adjustable throttle valve according to claim 6, is characterized in that: be provided with seal ring (16) between the outer wall of described sealing case (13) and valve body (1) inwall.
8. gas production adjustable throttle valve according to claim 7, is characterized in that: be provided with the first seal ring (21) and the second seal ring (22) between described valve seat (3) and valve body (1).
9. gas production adjustable throttle valve according to claim 8, is characterized in that: described valve gap (2) is fixedly connected on the upper end of valve pocket (11) by bolt (17), nut (18).
10. the gas production adjustable throttle valve according to Claims 2 or 3, is characterized in that: described spool (55) adopts cemented carbide to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429897.XU CN204852392U (en) | 2015-06-19 | 2015-06-19 | Choke valve with adjustable gas production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429897.XU CN204852392U (en) | 2015-06-19 | 2015-06-19 | Choke valve with adjustable gas production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852392U true CN204852392U (en) | 2015-12-09 |
Family
ID=54742938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520429897.XU Active CN204852392U (en) | 2015-06-19 | 2015-06-19 | Choke valve with adjustable gas production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843854A (en) * | 2018-08-16 | 2018-11-20 | 北京航天石化技术装备工程有限公司 | A kind of wear-resisting combination valve head |
| CN108980381A (en) * | 2018-07-26 | 2018-12-11 | 芜湖凯兴汽车电子有限公司 | A kind of machine components being easily installed |
| CN109210253A (en) * | 2018-11-29 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of stable needle-type throttle valve that throttles |
-
2015
- 2015-06-19 CN CN201520429897.XU patent/CN204852392U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980381A (en) * | 2018-07-26 | 2018-12-11 | 芜湖凯兴汽车电子有限公司 | A kind of machine components being easily installed |
| CN108843854A (en) * | 2018-08-16 | 2018-11-20 | 北京航天石化技术装备工程有限公司 | A kind of wear-resisting combination valve head |
| CN108843854B (en) * | 2018-08-16 | 2023-10-20 | 北京航天石化技术装备工程有限公司 | Wear-resisting combination valve head |
| CN109210253A (en) * | 2018-11-29 | 2019-01-15 | 美钻深海能源科技研发（上海）有限公司 | A kind of stable needle-type throttle valve that throttles |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |