CN203906847U - Adjustable throttle valve for gas recovery wellhead - Google Patents
Adjustable throttle valve for gas recovery wellhead Download PDFInfo
- Publication number
- CN203906847U CN203906847U CN201420153356.4U CN201420153356U CN203906847U CN 203906847 U CN203906847 U CN 203906847U CN 201420153356 U CN201420153356 U CN 201420153356U CN 203906847 U CN203906847 U CN 203906847U
- Authority
- CN
- China
- Prior art keywords
- oil nozzle
- valve
- adjustable throttle
- throttle valve
- described oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011084 recovery Methods 0.000 title abstract 2
- 238000007789 sealing Methods 0.000 claims description 6
- 235000019994 cava Nutrition 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model discloses an adjustable throttle valve for a gas recovery wellhead. The adjustable throttle valve comprises a valve body, a hand wheel, a valve cover, a valve rod and an oil nozzle tip combined piece, wherein a valve cavity is arranged in the valve body; the valve cover stretches into the top part of the valve cavity; a flange which can be connected with the valve is arranged on the side face of the valve body; an inflow opening connected with the valve cavity is arranged in the flange; internal threads are formed in the inner wall of the valve cavity on the lower end of the inflow opening; the oil nozzle tip combined piece is in matching connection with the internal threads in the inner wall of the valve cavity through external threads; an oil gas flow path is arranged in the oil nozzle tip combined piece; the valve rod penetrates through the valve cover and the valve cavity in sequence; the bottom part of the valve rod stretches into the oil gas flow path of the oil nozzle tip combined piece, and can completely block the oil gas flow path; the top part of the valve rod is connected with the hand wheel. According to the adjustable throttle valve provided by the utility model, the structure is simple; the oil nozzle tip combined piece can be fast replaced; moreover, the removal of only the damaged oil nozzle tip part is allowed.
Description
Technical field
The utility model relates to a kind of throttle valve, particularly relates to a kind of gas production wellhead adjustable throttle valve.
Background technique
Throttle valve is by changing throttling cross section or chock length to control the valve of fluid flow.It is streamlined that the open-shut device of throttle valve is mostly circular cone, changes channel cross-sectional area reach adjust flux and pressure by it.Throttle valve is for do to reduce pressure medium in the great situation of Pressure Drop.In the using process of oil field, often after valve, add that a throttle valve controls the rate of outflow of oil gas, and the petroleum vapour pressure that eject in oil field is larger, enter after throttle valve, very easily wash out oil nozzle, and because original oil nozzle assembly parts is fixedly connected with throttle valve, cause so whole throttle valve normally to use, need to change throttle valve, delay the normal collection of fluid, affect picking rate.And because oil nozzle assembly parts and throttle valve are to be fixedly connected with, the throttle valve maintenance changing also very bothers, maintenance cost is higher.Oil nozzle is fixedly connected with oil nozzle seat simultaneously, when oil nozzle is washed after damage, whole oil nozzle assembly parts be taken off and is changing, and very trouble, affects the speed gathering.In addition in use, on oil nozzle is very easy, alters and depart from oil nozzle assembly parts, have certain potential safety hazard.
Model utility content
In order to solve oil nozzle assembly parts in prior art, be to be fixedly connected with throttle valve, when oil nozzle is washed after damage, need to change throttle valve, delay the normal collection of fluid, oil nozzle is to be fixedly connected with replacing comparatively to bother with oil nozzle seat simultaneously, and the lower problem of oil nozzle assembly parts Safety performance, it is a kind of simple in structure that the utility model provides, it is a kind of simple in structure that the utility model provides, can quick-replaceable oil nozzle assembly parts, and the adjustable throttle valve of removing damaged oil nozzle part only.
In order to address the above problem, technical solution adopted in the utility model is:
A kind of gas production wellhead adjustable throttle valve, comprise valve body, handwheel, valve gap, it is characterized in that: also comprise valve rod and oil nozzle assembly parts, in valve body, be provided with valve pocket, valve gap has been stretched at top at valve pocket, in the side of valve body, be provided with the flange that can be connected with valve, in flange, be provided with the influent stream mouth being connected with valve pocket, on the valve pocket inwall of influent stream mouth lower end, be provided with internal thread, described oil nozzle assembly parts is connected with the screw-internal thread fit of valve pocket inwall by outside thread, in described oil nozzle assembly parts, be provided with oil gas runner, described valve rod is successively through valve gap and valve pocket, and stem bottom stretches in the oil gas runner of oil nozzle assembly parts, and oil gas runner can be blocked completely, the top of described valve rod is connected with handwheel.
Aforesaid a kind of gas production wellhead adjustable throttle valve, it is characterized in that: described oil nozzle assembly parts comprises oil nozzle seat, oil nozzle and seal ring, described oil nozzle seat upper inside wall caves inward and forms oil nozzle placement section, described oil nozzle is fixedly connected on oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread, described oil nozzle seat is connected with the screw-internal thread fit of valve pocket inwall by outside thread.
Aforesaid a kind of gas production wellhead adjustable throttle valve, it is characterized in that: described oil nozzle assembly parts comprises oil nozzle seat, oil nozzle and seal ring, described oil nozzle seat upper inside wall caves inward and forms oil nozzle placement section, on the inwall of described oil nozzle placement section, be provided with internal thread, on described oil nozzle outer wall, be provided with outside thread, described oil nozzle is flexibly connected by screw thread with oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread, described oil nozzle seat is connected with the screw-internal thread fit of valve pocket inwall by outside thread.
Aforesaid a kind of gas production wellhead adjustable throttle valve, is characterized in that: on the oil nozzle seat outer wall below outside thread, be arranged with the seal ring sealing.
Aforesaid a kind of gas production wellhead adjustable throttle valve, is characterized in that: described oil nozzle top embeds circlip for hole.
Aforesaid a kind of gas production wellhead adjustable throttle valve, is characterized in that: coil the oily ninth of the ten Heavenly Stems that has been arranged with connection function in valve gap outside.
Aforesaid a kind of gas production wellhead adjustable throttle valve, is characterized in that: in the side of valve body, be also provided with one and connect with valve pocket the one-way valve being connected.
Aforesaid a kind of gas production wellhead adjustable throttle valve, is characterized in that: described valve gap upper end is provided with the indicator of opening for detection of adjustable throttle valve flow aperture.
The beneficial effects of the utility model are: the utility model adjustable throttle valve, on the valve pocket inwall of influent stream mouth lower end, be provided with internal thread, described oil nozzle is connected to oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread, described oil nozzle seat is connected with the screw-internal thread fit of valve pocket inwall by outside thread, adopts aforesaid way to connect, oil nozzle seat can be taken out and change from throttle valve quickly and easily, use conveniently, do not delay picking rate, improved output.On the inwall of oil nozzle placement section, be provided with internal thread simultaneously, on oil nozzle outer wall, be provided with outside thread, described oil nozzle is flexibly connected by screw thread with oil nozzle placement section, like this when dismounting and change, just convenient, can directly utilize instrument that oil nozzle is taken off from the rotation of oil nozzle assembly parts, without the whole oil nozzle assembly parts of dismounting, further accelerated dismounting speed
On the oil nozzle seat outer wall of the utility model below outside thread, be arranged with the seal ring sealing simultaneously, can prevent that like this oil gas from spilling by the outside thread backflow of oil nozzle seat, affects the use of modulating valve.The utility model oil nozzle top embeds and to have circlip for hole in addition, can prevent that like this oil nozzle from upwards scurrying out and leave oil nozzle placement section due to reaction force, has improved the safety reliability that whole equipment is used.
Accompanying drawing explanation
Fig. 1 is the utility model adjustable throttle valve structural representation.
Fig. 2 is the utility model oil nozzle assembling unit structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1-2, a kind of gas production wellhead adjustable throttle valve, comprise valve body 1, handwheel 2, valve gap 3, valve rod 4 and oil nozzle assembly parts 5, in valve body 1, be provided with valve pocket 8, at the top of valve pocket 8, stretched into valve gap 3, in the side of valve body 1, be provided with the flange 16 that can be connected with valve, in flange 16, be provided with the influent stream mouth 17 being connected with valve pocket 8, on valve pocket 8 inwalls of influent stream mouth 17 lower ends, be provided with internal thread, in described oil nozzle assembly parts, be provided with oil gas runner 12, described valve rod 4 is successively through valve gap 3 and valve pocket 8, and valve rod 4 bottoms are stretched in the oil gas runner 12 of oil nozzle assembly parts, and oil gas runner 12 can be blocked completely, the top of described valve rod 4 is connected with handwheel 2.Coil 6 the oily ninth of the ten Heavenly Stems that has been arranged with connection function in valve gap 3 outsides.In the side of valve body 1, be also provided with one and connect with valve pocket 8 one-way valve 9 being connected.Described valve gap 3 upper ends are provided with the indicator of opening 7 for detection of adjustable throttle valve flow aperture.
The utility model oil nozzle assembly parts can adopt two kinds of structures, comprises fixed choke assembly parts and split type oil nozzle assembly parts.
Fixed choke assembly parts comprises oil nozzle seat 10, oil nozzle 11 and seal ring 15, described oil nozzle seat 10 upper inside wall cave inward and form oil nozzle placement section, described oil nozzle 11 is fixedly connected on oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread 13, described oil nozzle seat 10 is connected with the screw-internal thread fit of valve pocket 8 inwalls by outside thread 13.On oil nozzle seat 10 outer walls below outside thread 13, be arranged with the seal ring 12 sealing, described oil nozzle 11 tops embed circlip for hole 14.
Split type oil nozzle assembly parts comprises oil nozzle seat 10, oil nozzle 11 and seal ring 15, described oil nozzle seat upper inside wall caves inward and forms oil nozzle placement section, on the inwall of described oil nozzle placement section, be provided with internal thread, on described oil nozzle 11 outer walls, be provided with outside thread, described oil nozzle 11 is flexibly connected by screw thread with oil nozzle placement section, on oil nozzle seat 10 middle part outer walls, be provided with outside thread 13, described oil nozzle seat 13 is connected with the screw-internal thread fit of valve pocket 8 inwalls by outside thread 10.On oil nozzle seat 10 outer walls below outside thread 13, be arranged with the seal ring 12 sealing, described oil nozzle 11 tops embed circlip for hole 14.
The utility model adjustable throttle valve, rotarily drives valve rod 4 by handwheel 2 and rotates, and changes the feed liquor area between oil gas runner 12 in valve rod 4 bottoms and oil nozzle assembly parts, thereby controls the flow of oil gas, realizes fast and safely and regulating.
The utility model is provided with internal thread on the valve pocket inwall of influent stream mouth 17 lower ends, described oil nozzle 11 is connected to oil nozzle placement section, on oil nozzle seat 10 middle part outer walls, be provided with outside thread 13, described oil nozzle seat 10 is connected with the screw-internal thread fit of valve pocket 8 inwalls by outside thread 13, employing aforesaid way connects, and oil nozzle seat can be taken out and change from throttle valve quickly and easily, uses convenient, do not delay picking rate, improved output.On the inwall of oil nozzle placement section, be provided with internal thread simultaneously, on oil nozzle 11 outer walls, be provided with outside thread, described oil nozzle is flexibly connected by screw thread with oil nozzle 11 placement sections, like this when dismounting and change, just convenient, can directly utilize instrument that oil nozzle 11 is taken off from the rotation of oil nozzle assembly parts, without the whole oil nozzle assembly parts of dismounting, further accelerated dismounting speed
On oil nozzle seat 10 outer walls of the utility model below outside thread 13, be arranged with the seal ring 12 sealing simultaneously, can prevent that like this oil gas from spilling by outside thread 13 backflows of oil nozzle seat 10, affects the use of modulating valve.The utility model oil nozzle 11 tops embed and to have circlip for hole 14 in addition, can prevent that like this oil nozzle 11 from upwards scurrying out and leave oil nozzle placement section due to reaction force, have improved the safety reliability that whole equipment is used.
More than show and described basic principle of the present utility model, major character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is by appending claims and equivalent circle thereof.
Claims (8)
1. a gas production wellhead adjustable throttle valve, comprise valve body, handwheel, valve gap, it is characterized in that: also comprise valve rod and oil nozzle assembly parts, in valve body, be provided with valve pocket, valve gap has been stretched at top at valve pocket, in the side of valve body, be provided with the flange that can be connected with valve, in flange, be provided with the influent stream mouth being connected with valve pocket, on the valve pocket inwall of influent stream mouth lower end, be provided with internal thread, described oil nozzle assembly parts is connected with the screw-internal thread fit of valve pocket inwall by outside thread, in described oil nozzle assembly parts, be provided with oil gas runner, described valve rod is successively through valve gap and valve pocket, and stem bottom stretches in the oil gas runner of oil nozzle assembly parts, and oil gas runner can be blocked completely, the top of described valve rod is connected with handwheel.
2. a kind of gas production wellhead adjustable throttle valve according to claim 1, it is characterized in that: described oil nozzle assembly parts comprises oil nozzle seat, oil nozzle and seal ring, described oil nozzle seat upper inside wall caves inward and forms oil nozzle placement section, described oil nozzle is fixedly connected on oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread, described oil nozzle seat is connected with the screw-internal thread fit of valve pocket inwall by outside thread.
3. a kind of gas production wellhead adjustable throttle valve according to claim 1, it is characterized in that: described oil nozzle assembly parts comprises oil nozzle seat, oil nozzle and seal ring, described oil nozzle seat upper inside wall caves inward and forms oil nozzle placement section, on the inwall of described oil nozzle placement section, be provided with internal thread, on described oil nozzle outer wall, be provided with outside thread, described oil nozzle is flexibly connected by screw thread with oil nozzle placement section, on the outer wall of oil nozzle seat middle part, be provided with outside thread, described oil nozzle seat is connected with the screw-internal thread fit of valve pocket inwall by outside thread.
4. a kind of gas production wellhead adjustable throttle valve according to claim 1 and 2, is characterized in that: on the oil nozzle seat outer wall below outside thread, be arranged with the seal ring sealing.
5. a kind of gas production wellhead adjustable throttle valve according to claim 4, is characterized in that: described oil nozzle top embeds circlip for hole.
6. a kind of gas production wellhead adjustable throttle valve according to claim 5, is characterized in that: coil the oily ninth of the ten Heavenly Stems that has been arranged with connection function in valve gap outside.
7. a kind of gas production wellhead adjustable throttle valve according to claim 6, is characterized in that: in the side of valve body, be also provided with one and connect with valve pocket the one-way valve being connected.
8. a kind of gas production wellhead adjustable throttle valve according to claim 7, is characterized in that: described valve gap upper end is provided with the indicator of opening for detection of adjustable throttle valve flow aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153356.4U CN203906847U (en) | 2014-03-31 | 2014-03-31 | Adjustable throttle valve for gas recovery wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153356.4U CN203906847U (en) | 2014-03-31 | 2014-03-31 | Adjustable throttle valve for gas recovery wellhead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906847U true CN203906847U (en) | 2014-10-29 |
Family
ID=51781128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153356.4U Expired - Lifetime CN203906847U (en) | 2014-03-31 | 2014-03-31 | Adjustable throttle valve for gas recovery wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525898A (en) * | 2016-01-14 | 2016-04-27 | 南京伟业机械有限公司 | Adjustable water injection dispenser used for water injection well head |
| CN115573683A (en) * | 2022-11-09 | 2023-01-06 | 德州联合石油科技股份有限公司 | Wellhead Christmas tree throttle valve |
-
2014
- 2014-03-31 CN CN201420153356.4U patent/CN203906847U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105525898A (en) * | 2016-01-14 | 2016-04-27 | 南京伟业机械有限公司 | Adjustable water injection dispenser used for water injection well head |
| CN115573683A (en) * | 2022-11-09 | 2023-01-06 | 德州联合石油科技股份有限公司 | Wellhead Christmas tree throttle valve |
| CN115573683B (en) * | 2022-11-09 | 2023-03-21 | 德州联合石油科技股份有限公司 | Wellhead Christmas tree throttle valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204312036U (en) | A kind of differential pressure underground throttle device valve | |
| CN203906847U (en) | Adjustable throttle valve for gas recovery wellhead | |
| CN204358193U (en) | A kind of leading gas safety relief valve | |
| CN205605208U (en) | Adopt oil well wellhead sampling device | |
| CN203374239U (en) | Pressure-relievable check valve | |
| CN204852392U (en) | Choke valve with adjustable gas production | |
| CN104390022A (en) | Pipeline sampling device | |
| CN104929560A (en) | Sand-prevention blanking plug | |
| CN103939050A (en) | Fixed throttling valve for oil production well mouth | |
| CN204036370U (en) | Check valve spool extractor | |
| CN103452821B (en) | Anti-jetting oil pump | |
| CN204677197U (en) | Novel oil well sampler | |
| CN104976358A (en) | Fluid valve | |
| CN202300315U (en) | Underground turbine shunting device | |
| CN205877225U (en) | Nitrogen valve is annotated in transformer oil extraction and nitrogen injection explosion -proof and fire extinguishing device's automation | |
| CN203926851U (en) | The modulating valve of valve with changeable valve seat, flap | |
| CN206257309U (en) | A kind of micro electromagnetic valve of adjustable speed | |
| CN204877379U (en) | Automatically regulated air cock in pit | |
| CN203796222U (en) | Fixed throttle valve used for oil extraction wellhead | |
| CN202391402U (en) | Well-head flow stabilizing device for oil and water wells | |
| CN204153237U (en) | Safety check | |
| CN208967069U (en) | Bleed off pressure spool and pressure release valve | |
| CN203669817U (en) | Novel inner blowout control drilling tool float valve | |
| CN203836236U (en) | Fluid valve | |
| CN204782949U (en) | Automobile -used bailing pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |