CN209195610U - Reversing device for pneumatic agent injection device of cluster gas well - Google Patents
Reversing device for pneumatic agent injection device of cluster gas well Download PDFInfo
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- CN209195610U CN209195610U CN201821746064.6U CN201821746064U CN209195610U CN 209195610 U CN209195610 U CN 209195610U CN 201821746064 U CN201821746064 U CN 201821746064U CN 209195610 U CN209195610 U CN 209195610U
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- 238000002347 injection Methods 0.000 title abstract description 4
- 239000007924 injection Substances 0.000 title abstract description 4
- 239000003795 chemical substances by application Substances 0.000 title 1
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 3
- 238000012856 packing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 abstract 7
- 239000007789 gas Substances 0.000 description 34
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000009096 changqing Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005380 natural gas recovery Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model provides a reversing device for a cluster gas well pneumatic injection device, which comprises a cylinder, a piston rod, a pneumatic switch and an isolation sleeve, wherein the pneumatic switch is arranged in the cylinder and connected with the piston; the cylinder is divided into an upper part and a lower part, a hollow separation baffle is arranged between the two parts, the inner diameter of the hollow separation baffle is smaller than that of the upper part of the cylinder, the lower part of the separation sleeve penetrates through the hollow separation baffle and is in sealing connection with the hollow separation baffle, an annular sealing space is formed between the upper part of the separation sleeve and the upper part of the cylinder, an air inlet is arranged on the hollow separation baffle and is communicated with the annular sealing space, and an air outlet is arranged on a lower cover of the cylinder. The reversing device adopts an internal reversing mode, so that the external flow direction of the air system is unchanged, the top of the internal piston is designed to be switched to be closed and opened by the mechanical motion and position of the inlet and outlet air valve, and the problems of zero leakage and zero emission to the outside are ensured.
Description
Technical field
The utility model belongs to petroleum industry clump formula gas well injecting technical field, and in particular to one kind is used for clump formula gas well gas
The reversing arrangement of dynamic injecting device.
Background technique
In gas exploitation course, as gas field stratum energy gradually decreases, gas carrying capacity weakens, wellbore effusion
Gradually increase, traditional discharge hydrops method mainly passes through mobile cart and arranges in well head filling foaming agent or dispensing bubble rod row etc.
Apply, there are low efficiency, filling not in time the problems such as, seriously affected clump formula gas well it is normal production and natural gas recovery percent of reserves.
Currently, Changqing oilfields major part clump formula gas well uses the electronic injecting device of well head, reduce labor intensity, improves
Injecting efficiency.But electronic injecting device needs external power supply or solar panel and wind-driven generator is used to power for it,
Which high investment, the scope of application is small, and solar panel and wind-power electricity generation cannot provide stable power supply for device.
Reversing arrangement is the pneumatic indispensable critical component of injecting device of clump formula gas well.The clump pneumatic injecting device of formula gas well
The commutation function for only passing through the component, is just able to achieve reciprocating motion, injects gas well after medicament is pressurized.
Currently, the commutation of most equipment is all made of reversal valve to complete, but structure of reversing valve is complicated, need to set up driving
And cooling system, relatively high for the cleannes requirement of medium, Applicable media is limited, once and reversal valve occurs in production process
Leakage be easy to cause environmental pollution.
Utility model content
The purpose of the utility model is to provide a kind of reversing arrangements for the pneumatic injecting device of clump formula gas well, for existing
Reversal valve exist structure is complicated, driving and cooling system need to be set up, for medium cleannes require relatively high, Applicable media
It is limited, once and the problems such as leakage be easy to cause environmental pollution occurs for reversal valve in production process.
The technical scheme that the utility model is provided is as follows:
A kind of reversing arrangement for the pneumatic injecting device of clump formula gas well, piston and work including cylinder, in cylinder
Stopper rod, further includes jettron and distance sleeve, and the jettron is set in cylinder and connect with piston, the piston rod and
Piston bottom end connection, the piston rod pass through lower cover of air cylinder, and the distance sleeve connect with piston bottom end and is set to outside piston rod；
The cylinder is divide into upper part and lower part, and hollow baffles, the internal diameter of the hollow baffles are equipped between two parts
Less than the internal diameter of upper partial cylinders, the lower part of the distance sleeve passes through hollow baffles and the two is tightly connected, the isolation
Form ring packing space point between the top and cylinder top of sleeve, the hollow baffles are equipped with air inlet, it is described into
Port is connected to ring packing space, and the lower cover of air cylinder is equipped with exhaust outlet, and the exhaust outlet is communicated with lower partial cylinders.
The jettron includes disk, interlocking bar, exhaust valve plug, inlet valve and position limiting structure, and the disk is set to
Above piston, the interlocking bar at least two is symmetrical arranged by disc centre, interlocking bar clutch disk and piston, institute respectively
It states and is arranged with spring in interlocking bar, the interlocking bar is connected with inlet valve after passing through piston, and the exhaust valve plug is installed in circle
Disk lower end surface, the piston corresponding position are equipped with and the matched groove of exhaust valve plug；
Limited block is equipped in the piston, which is laterally arranged and corresponds with interlocking bar, the position limiting structure
Longitudinally disposed, the position limiting structure is for controlling the limited block direction of motion.
The position limiting structure includes gag lever post and limit channels, and the limit channels consist of two parts, and a part is to wear
The channel in the middle part of piston is crossed, another part is the channel in piston rod, the limit channels bottom end closure；
The gag lever post is made of sequentially connected upper endpiece, connecting rod and lower endpiece from top to bottom, and the upper endpiece is solid
It is located at cylinder upper cover, the connecting rod sequentially passes through disk and limit channels, and the outer diameter of the connecting rod is less than limit channels
Internal diameter, the outer diameter of the connecting rod are less than the outer diameter of lower endpiece.
The diameter of part is greater than the diameter of part under cylinder on the cylinder.
It is connected by fixed link with hold-doun nut between the lower cover of air cylinder and cylinder upper cover, the fixed link passes through hollow
Baffles.
The piston jacket is equipped with piston seal, and sealing ring is equipped between the hollow baffles and distance sleeve.
The beneficial effects of the utility model are:
This reversing arrangement provided by the utility model flows to the outside of gas system constant using interior reversing mode, interior
Portion's top land designs the closing and opening that air outlet valve is switched by mechanical movement and position.It ensure that external zero leakage, zero-emission
Put problem.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is a kind of embodiment structure schematic diagram of the utility model；
Fig. 2 is the uplink schematic diagram of the utility model reversing arrangement；
Fig. 3 is the downlink schematic diagram of the utility model reversing arrangement.
In figure: 1, cylinder upper cover；2, exhaust valve plug；3, spring；4, piston seal；5, piston；6, gag lever post；7, into
Port；8, part on cylinder；9, fixed link；10, hold-doun nut；11, limited block；12, interlocking bar；13, steel ball；14, inlet valve；
15, part under cylinder；16, sealing ring；17, piston rod；18, exhaust outlet；19, hollow baffles；20, distance sleeve；21, circle
Disk；22, groove；23, limit channels；24, upper endpiece；25, connecting rod；26, lower endpiece.
Specific embodiment
Embodiment 1:
It present embodiments provides a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well, including cylinder, is set to gas
Piston 5 and piston rod 17 in cylinder, further include jettron and distance sleeve 20, the jettron be set in cylinder and with work
5 connection of plug, the piston rod 17 connect with 5 bottom end of piston, the piston rod 17 across lower cover of air cylinder, the distance sleeve 20 and
5 bottom end of piston connects and is set to outside piston rod 17；
The cylinder is divide into upper part and lower part, and hollow baffles 19 are equipped between two parts, the hollow baffles 19
Internal diameter is less than the internal diameter of upper partial cylinders, and the lower part of the distance sleeve 20 passes through hollow baffles 19 and the two is tightly connected,
Ring packing space is formed on the top of the distance sleeve 20 and cylinder between part 8, the hollow baffles 19 are equipped with
Air inlet 7, the air inlet 7 are connected to ring packing space, and the lower cover of air cylinder is equipped with exhaust outlet 18, the exhaust outlet 18
It is communicated with lower partial cylinders.
Gas enters part 8 on cylinder by air inlet 7, due to 5 uplink of draught head gas push piston, until cylinder top
Portion activates to open jettron, and as gas enters cylinder head, under differential pressure action, piston 5 starts downlink, under completion
Capable commutation；In the process, gas is discharged from exhaust outlet 18.
The present apparatus can be applied to the air driven pump of the gas field clump pneumatic injecting device of formula gas well, and the piston for air driven pump commutates
Device.
Embodiment 2:
On the basis of embodiment 1, a kind of commutation dress for the pneumatic injecting device of clump formula gas well is present embodiments provided
It sets, the jettron includes disk 21, interlocking bar 12, exhaust valve plug 2, inlet valve 14 and position limiting structure, the disk 21
Above piston 5, the interlocking bar 12 at least two presses 21 center symmetric setting of disk, the connection circle of interlocking bar 12 respectively
Disk 21 and piston 5 are arranged with spring 3 in the interlocking bar 12, and the interlocking bar 12 is connected with inlet valve 14 after passing through piston 5,
The exhaust valve plug 2 is installed in 21 lower end surface of disk, and 5 corresponding position of piston is equipped with matched with exhaust valve plug 2
Groove 22；
It is equipped with limited block 11 in the piston 5, which is laterally arranged and corresponds with interlocking bar 12, the limit
Bit architecture is longitudinally disposed, and the position limiting structure is for controlling 11 direction of motion of limited block.
As shown in Figure 1 and Figure 2, the position limiting structure includes gag lever post 6 and limit channels 23, and the limit channels 23 are by two
Part forms, and a part is, across the channel at 5 middle part of piston, another part is the channel in piston rod 17, the limit
23 bottom end closure of channel；
The gag lever post 6 is made of sequentially connected upper endpiece 24, connecting rod 25 and lower endpiece 26 from top to bottom, it is described on
End block 24 is installed in cylinder upper cover 1, and the connecting rod 25 sequentially passes through disk 21 and limit channels 23, the connecting rod 25 it is outer
Diameter is less than the internal diameter of limit channels 23, and the outer diameter of the connecting rod 25 is less than the outer diameter of lower endpiece 26.
The course of work is as follows:
Casing gas is entered in upper cylinder by air inlet 7, and piston 5 is pushed to run up, and inlet valve 14 is closed；Piston 5
When going upward to the upper endpiece 24 of gag lever post 6,12 compressed spring 3 of interlocking bar, inlet valve 14 is opened, and limited block 11 pops up, it is fixed into
The position of valve 14；With casing gas as the aperture on inlet valve 14 enters cylinder head, exhaust valve plug 2 is in differential pressure action
Under start to come downwards in groove 22, exhaust passage close, make 5 lower space of piston close；In the process, gas passes through groove
22 enter part 15 and gas vent discharge under sealing sleeve, cylinder.
Piston 5 commutate downlink, piston 5 run to gag lever post 6 lower endpiece 26 when (at this point, lower endpiece 26 is located in piston 5
The channel in portion), lower endpiece 26 pushes the limited block 11 in piston 5, and inlet valve 14 is closed under the action of spring 3, and exhaust valve is stifled
First 2 leave groove 22, and exhaust passage is opened, and gas is discharged under the action of piston 5 by gas vent, the commutation uplink of piston 5.Such as
Shown in Fig. 3.
In the present embodiment, steel ball 13 is equipped in 11 track of limited block, by pushing 13 transverse movement of steel ball, by limited block
In 11 orbital injection.
As shown in Figure 1, the diameter of part 8 is greater than the diameter of part 15 under cylinder on cylinder.Lower cover of air cylinder and cylinder upper cover 1
Between connected by fixed link 9 and hold-doun nut 10, fixed link 9 passes through hollow baffles 19.Piston seal is arranged with outside piston 5
Circle 4 is equipped with sealing ring 16 between hollow baffles 19 and distance sleeve 20.
Scene is connected to this through high-pressure seamless pipe in use, set gas installs threeway and high-pressure stop valve additional by casing pressure table interface
Device, exhaust pipe are similarly connected at the instrumentation tap of production flow line.Without using other power, pushed using oil pipe casing pressure real
It is existing.
When inlet valve 14 is closed, and exhaust passage is opened, due to 5 uplink of draught head gas push piston, until cylinder top
Portion, while making exhaust valve closing because of limit, inlet valve 14 is opened, and piston 5 starts downlink, completes the commutation of downlink.When piston 5
After coming downwards to lower mechanical position limitation point, and inlet valve 14 is closed, exhaust passage is opened, and piston 5 starts uplink again, completes uplink
Commutation.Inlet and outlet door designs in same mechanism, and inlet and outlet door one opens a relationship closed to cylinder at work, to guarantee piston
The reliability of 5 movements.
Since the forced area of about 5 stroke of piston is different, generating uplink and downlink power has different, just meets hydraulic pump
Two-way dynamics is addressed.The thrust of the big output of 5 forced area of piston is also big when 5 downlink of piston, and the liquid pump matched is also required to push away
Power is big.
The reversing arrangement of air driven pump uses interior reversing mode, flows to the outside of gas system constant, sets at the top of internal piston
Meter is switched into the closing and opening of air outlet valve by mechanical movement and position, ensure that external zero leakage, zero-emission problem.Completion pair
The medicament of target well fills, and guarantees to carry out medicament filling by gas well injection allocation demand.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model
Limitation, within all designs the same or similar with the utility model all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well, piston (5) and work including cylinder, in cylinder
Stopper rod (17), it is characterised in that: further include jettron and distance sleeve (20), the jettron be set in cylinder and with work
(5) connection is filled in, the piston rod (17) connect with piston (5) bottom end, and the piston rod (17) passes through lower cover of air cylinder, the isolation
Sleeve (20) connect with piston (5) bottom end and is set to piston rod (17) outside；
The cylinder is divide into upper part and lower part, and is equipped with hollow baffles (19) between two parts, the hollow baffles (19)
Internal diameter is less than the internal diameter of upper partial cylinders, and the lower part of the distance sleeve (20) passes through hollow baffles (19) and the two sealing connects
It connects, forms ring packing space, the hollow baffles on the top of the distance sleeve (20) and cylinder between part (8)
(19) air inlet (7) are equipped with, the air inlet (7) is connected to ring packing space, and the lower cover of air cylinder is equipped with exhaust outlet
(18), the exhaust outlet (18) communicates with lower partial cylinders.
2. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well according to claim 1, it is characterised in that: institute
Stating jettron includes disk (21), interlocking bar (12), exhaust valve plug (2), inlet valve (14) and position limiting structure, the disk
(21) it is set to above piston (5), the interlocking bar (12) at least two, presses disk (21) center symmetric setting, linkage respectively
Bar (12) clutch disk (21) and piston (5) are arranged with spring (3) on the interlocking bar (12), and the interlocking bar (12) passes through
It is connected with after piston (5) inlet valve (14), the exhaust valve plug (2) is installed in disk (21) lower end surface, and the piston (5) is right
Position is answered to be equipped with and exhaust valve plug (2) matched groove (22)；
Limited block (11) are equipped in the piston (5), which is laterally arranged and corresponds with interlocking bar (12), institute
It is longitudinally disposed to state position limiting structure, the position limiting structure is for controlling limited block (11) direction of motion.
3. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well according to claim 2, it is characterised in that: institute
Stating position limiting structure includes gag lever post (6) and limit channels (23), and the limit channels (23) consist of two parts, and a part is to wear
The channel in the middle part of piston (5) is crossed, another part is the channel in piston rod (17), limit channels (23) the bottom end envelope
It closes；
The gag lever post (6) is made of sequentially connected upper endpiece (24), connecting rod (25) and lower endpiece (26) from top to bottom, institute
It states upper endpiece (24) to be installed in cylinder upper cover (1), the connecting rod (25) sequentially passes through disk (21) and limit channels (23), institute
The outer diameter for stating connecting rod (25) is less than the internal diameter of limit channels (23), and the outer diameter of the connecting rod (25) is less than lower endpiece (26)
Outer diameter.
4. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well according to claim 1, it is characterised in that: institute
The diameter for stating part (8) on cylinder is greater than the diameter of part (15) under cylinder.
5. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well according to claim 1, it is characterised in that: institute
It states and is connected between lower cover of air cylinder and cylinder upper cover (1) by fixed link (9) and hold-doun nut (10), the fixed link (9) passes through
Hollow baffles (19).
6. a kind of reversing arrangement for the pneumatic injecting device of clump formula gas well according to claim 1, it is characterised in that: institute
It states and is arranged with piston seal (4) outside piston (5), sealing ring is equipped between the hollow baffles (19) and distance sleeve (20)
(16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746064.6U CN209195610U (en) | 2018-10-26 | 2018-10-26 | Reversing device for pneumatic agent injection device of cluster gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821746064.6U CN209195610U (en) | 2018-10-26 | 2018-10-26 | Reversing device for pneumatic agent injection device of cluster gas well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195610U true CN209195610U (en) | 2019-08-02 |
Family
ID=67409199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821746064.6U Active CN209195610U (en) | 2018-10-26 | 2018-10-26 | Reversing device for pneumatic agent injection device of cluster gas well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195610U (en) |
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2018
- 2018-10-26 CN CN201821746064.6U patent/CN209195610U/en active Active
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