CN208885237U - A kind of high-pressure well mouth liquid-operated flat valve - Google Patents
A kind of high-pressure well mouth liquid-operated flat valve Download PDFInfo
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- CN208885237U CN208885237U CN201820476887.5U CN201820476887U CN208885237U CN 208885237 U CN208885237 U CN 208885237U CN 201820476887 U CN201820476887 U CN 201820476887U CN 208885237 U CN208885237 U CN 208885237U
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Abstract
A kind of high-pressure well mouth liquid-operated flat valve, including lower valve bonnet, guide rod, composite filling, valve body, valve seat, sealing ring, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, retaining ring, piston, valve stem nut, cylinder cap, valve body is equipped with the valve seat of insertion, flashboard is in the up and down motion of valve body fluid passage, that is, spool chamber, flashboard ends fluid passage when protruding into valve seat in valve body fluid passage, flashboard is connected on valve rod, valve body top is valve deck, valve deck top is equipped with hydraulic cylinder and cylinder cap, the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, the piston of hydraulic cylinder hydraulic pressure control lower piston movement with ovable valve stem and control ram movement；The cylinder that guide rod is equipped with by valve body lower portion limits, and filler package guide rod is equipped in cylinder and is equipped with gland, the bottom of valve body is equipped with lower valve bonnet.
Description
Technical field:
The utility model relates to a kind of flap types, are especially adapted for use in the engineerings such as oilfield exploitation, are a kind of pair of oilfield exploitation
The special valve controlled --- high-pressure well mouth liquid-operated flat valve.
Background technique:
With the high speed development of the national economy in China.The growth of the crude oil needed at double, the valve for control piper
It is more and more, while increasingly more oil fields need to inject the liquid of high pressure since the density of oil is big and hardened by development & construction
Body exploitation, while the corrosive substances such as sulfide in crude oil content is high.Key effect is just played in the valve of well head.Conventional well
The pipeline of mouth uses plate flashboard, and flow resistance is big, and operational torque is big, inconvenient for operation, inefficiency.Entire pipeline is very long, pole
Inconvenience, while equipment cost becomes larger.Flashboard is due to the benefit after not can solve the resistance to high abrasion with long-time service of sealing ring
It repays.Service life is extremely short, and new valve was just needed replacing less than 10 months, causes greatly to waste, and shut-down pair when replacement
The influence of production and a large amount of manpower of needs.
High-pressure well mouth liquid-operated flat valve is more demanding, to bear high pressure (as arrived 15MPa), it is necessary to which increasing valve makes
Reliability improves the degree of automation, reduces labor intensity, specially manufactures and designs for this operating condition situation.
Utility model content:
The purpose of this utility model proposes the high pressure liquid-operated flat valve of kind of high-pressure well mouth, reduces labor intensity, needle
This operating condition situation is specially manufactured and designed.
The technical solution of the utility model is a kind of high-pressure well mouth liquid-operated flat valve, it is characterized in that including lower valve bonnet, guiding
Bar, composite filling, valve body, valve seat, sealing ring, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, gear
Circle, piston, valve stem nut, cylinder cap, valve body are equipped with the valve seat of insertion, and flashboard is above and below valve body fluid passage, that is, spool chamber
Movement, flashboard end fluid passage when protruding into valve seat in valve body fluid passage, flashboard is connected on valve rod, and valve body top is
Valve deck, valve deck top are equipped with hydraulic cylinder and cylinder cap, and the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, and the piston of hydraulic cylinder is hydraulic
Pressure control lower piston movement with ovable valve stem and control ram movement；The upper and lower movement position of valve plate corresponds to the conducting of valve
With cut-off (part cut-off is until whole cut-offs)；Flashboard ends the inlet and outlet center line on the position and valve body of runner on valve body
On the same line；The lower part that valve rod extends to valve plate is a guide rod, and the cylinder that guide rod is equipped with by valve body lower portion limits, cylinder
Interior to be equipped with filler package guide rod and be equipped with gland, the bottom of valve body is equipped with lower valve bonnet.
Flashboard top is equipped with guide plate and is connected on valve rod in valve deck.
Metallic packing ring 14 is equipped in valve deck above flashboard；Spring 11 is cased on valve rod above flashboard；
Guide plate is additionally provided with above flashboard；Guide plate is equipped with sealing device in valve deck；Valve seat is weldingly fixed on valve seat
On, sealing of the flashboard on valve seat is using enhancing flexible graphite structure.The composite filling that filler uses multiple filling layers to constitute.
When the piston controlled in hydraulic cylinder moves upwards, when valve rod moves upwards, valve rod drives flashboard upward
It is promoted, opens the channel of entire valve, inject liquid and the oil recovery of high pressure.When the piston is moving down, valve rod moves downward, and arrives
When up to rest position, entire channel is closed, terminate the liquid injection of high temperature and pressure and is recovered the oil.
The utility model has the advantages that the utility model opens and closes valve using hydraulically operated equipment, flashboard is using plate guide plate and close
Seal structure.And guiding rod structure is being used using flashboard lower part.It is easy to operate using hydraulically operated equipment, human cost is reduced, is done
High efficiency is convenient for automation control.Using guide board structure, convenient for guaranteeing the centering of flashboard.Flashboard is oriented to using plate
Highly pressurised liquid both can be recovered the oil or be can be injected to structure, no flow resistance.It can be big by the stress of flashboard using guiding rod structure
It is big to improve；Filler uses composite structure, guarantees the reliability of sealing.It can be made using different types of carbide reactor welding technology
Sealing surface is corrosion-resistant, impact resistance, guarantees the service life of valve.
Detailed description of the invention:
Fig. 1 is the utility model structure diagram.
Specific embodiment:
As shown, including 1, lower valve bonnet, 2, gland, 3, guide rod, 4,5,6 be the composite filling of multilayered structure,
7, valve body, 8, valve seat, 9, sealing ring, 10, spring, 11, flashboard, 12, guide plate, 13, metallic packing ring, 14, valve rod, 15, valve
Lid, 16, stop-leak compound injection valve, 17, mark closely screw, 18, stud, 19, nut, 20, bracket, 21, soket head cap screw, 22,
23, sealing ring, 24, cylinder body, 25, sealing ring, 26, retaining ring, 27, piston, 28, valve stem nut, 29, cylinder cap, 30, silk plug.
Valve body lower end is covered the element including gland, guide rod and composite filling by lower valve bonnet, and guide rod is valve body
Lower part is equipped with composite filling sealing structure to the lower support of flashboard；Flashboard is upper in valve body fluid passage, that is, spool chamber
Lower movement, flashboard end fluid passage when protruding into valve seat in valve body fluid passage, flashboard is connected on valve rod；Valve body top
For valve deck, valve deck top is equipped with hydraulic cylinder and cylinder cap, and the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, and the piston of hydraulic cylinder is in liquid
The movement of pressure pressure control lower piston is moved with ovable valve stem with control ram movement above and below；The upper and lower movement position of valve plate is corresponding
In the conducting and cut-off of valve (part cut-off is until whole cut-offs)；Flashboard end on valve body on the position and valve body of runner into
Center line of discharge is on the same line；Using guiding rod structure: the lower part that valve rod extends to valve plate is guide rod, and guide rod is by valve
Body lower part is limited equipped with 5 cylinder.
Flashboard top is equipped with guide plate and is connected on valve rod in valve deck.Guide plate is additionally provided with above flashboard；Guide plate exists
Sealing device is equipped in valve deck；Metallic packing ring 14 is equipped in valve deck above guide plate；Spring is cased on valve rod above guide plate
11, the position of recovery flashboard when for piston release to hydraulic cylinder；Sealing of the flashboard on valve seat is using the flexible stone of enhancing
Ink structure.
Flashboard ends fluid passage when protruding into valve seat in valve body fluid passage, flashboard is connected on valve rod, on valve deck
Portion is equipped with hydraulic cylinder, and piston and the valve rod of hydraulic cylinder are fixed, and the piston of hydraulic cylinder controls the movement band of lower piston in hydraulic pressure
Ovable valve stem and control ram movement；(part cut-off is until whole for the conducting and cut-off that the upper and lower movement position of valve plate corresponds to valve
Cut-off)；Flashboard ends the inlet and outlet center line on the position and valve body of runner on the same line on valve body.Valve rod extends to
The lower part of valve plate is a guide rod, and guide rod is equipped with cylinder by valve body lower portion and limits, and filler package guide rod is equipped in cylinder and is set
There is gland, the bottom of valve body is equipped with lower valve bonnet；Flashboard top is equipped with guide plate and is connected on valve rod.
Valve rod is equipped with packing seal in the position that valve deck top is contacted with hydraulic cylinder.
Stop-leak compound injection valve 17 is located at the top of valve deck, for injecting lubricating grease to structures such as guide plates；Mark closely screw 18
It is used to seal to stop-leak compound injection valve with stud 19；Nut 20, bracket 21, soket head cap screw 22；Filler is filled out using combination
Expect structure；Using guiding rod structure.
In hydraulic cylinder, on cylinder body 25 and position of the valve rod in hydraulic cylinder is equipped with sealing ring 23,24；Piston 28 is in liquid
Sealing ring 26 also is provided in cylinder pressure, 27 top of piston is equipped with retaining ring 28, and retaining ring 28 is equipped with valve stem nut 29 for piston 27 and valve
Bar is fixed, hydraulic cylinder cylinder cap 29；30 be the silk plug for hydraulic cylinder.
Inserted valve seat on valve body is equipped with sealing ring between valve seat and valve body；Entirety can be used in flashboard, guiding or even valve body
Die forging structure；Valve seat is used to be prepared using different types of carbide reactor welding technology.
When the piston is moving up, when valve rod moves upwards, valve rod drives flashboard to be lifted up, and opens entire logical
Road injects liquid and the oil recovery of high pressure.When the piston is moving down, valve rod moves downward, and when reaching rest position, closes entire
Channel terminates the liquid injection of high temperature and pressure and recovers the oil.
The foregoing is merely an embodiment of the present invention, are not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of utility model, to be included in the utility model
Protection scope within.
Claims (5)
1. a kind of high-pressure well mouth liquid-operated flat valve, it is characterized in that including lower valve bonnet, guide rod, composite filling, valve body, valve seat, close
Seal, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, retaining ring, piston, valve stem nut, cylinder cap, valve
Body is equipped with the valve seat of insertion, and for flashboard in the up and down motion of valve body fluid passage, that is, spool chamber, flashboard fluid in valve body is logical
End fluid passage when protruding into valve seat in road, flashboard is connected on valve rod, and valve body top is valve deck, and valve deck top is equipped with hydraulic cylinder
And cylinder cap, the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, the movement band of the piston of hydraulic cylinder in hydraulic pressure control lower piston
Ovable valve stem and control ram movement；The upper and lower movement position of valve plate corresponds to the conducting and cut-off of valve, and cut-off refers to that part cut-off is straight
To whole cut-offs；Flashboard ends the inlet and outlet center line on the position and valve body of runner on the same line on valve body；Valve rod
The lower part for extending to valve plate is a guide rod, and the cylinder that guide rod is equipped with by valve body lower portion limits, and filler package is equipped in cylinder and is led
To bar and it is equipped with gland, the bottom of valve body is equipped with lower valve bonnet.
2. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that flashboard top is equipped with guide plate in valve deck
It is connected on valve rod.
3. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that it is close to be equipped with metal in valve deck above flashboard
Seal ring；Spring is cased on valve rod above flashboard.
4. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that being additionally provided with guide plate above flashboard；It leads
Sealing device is equipped in valve deck to plate；Valve seat is weldingly fixed on valve seat, and sealing of the flashboard on valve seat is flexible using enhancing
Graphite-structure.
5. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that the group that filler uses multiple filling layers to constitute
Close filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476887.5U CN208885237U (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476887.5U CN208885237U (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208885237U true CN208885237U (en) | 2019-05-21 |
Family
ID=66492362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820476887.5U Active CN208885237U (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208885237U (en) |
-
2018
- 2018-04-04 CN CN201820476887.5U patent/CN208885237U/en active Active
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