CN104759369B - A kind of steam atomization nozzle - Google Patents
A kind of steam atomization nozzle Download PDFInfo
- Publication number
- CN104759369B CN104759369B CN201510132911.4A CN201510132911A CN104759369B CN 104759369 B CN104759369 B CN 104759369B CN 201510132911 A CN201510132911 A CN 201510132911A CN 104759369 B CN104759369 B CN 104759369B
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- gas
- nozzle
- hole
- inner core
- liquid
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- 238000000889 atomisation Methods 0.000 title claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 95
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 239000007921 spray Substances 0.000 claims description 13
- 238000009792 diffusion process Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 13
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000521257 Hydrops Species 0.000 description 2
- 206010030113 Oedema Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of steam atomization nozzles, including nozzle inner core and nozzle housing, the end of nozzle housing is equipped with spurt hole, in nozzle inner core one end, internal conical surface is set, the inner wall of internal conical surface and nozzle housing forms air inlet cavity, the nozzle inner core other end is provided with the through-hole of face spurt hole, multiple swirl vanes are installed on through-hole wall, the inner wall of through-hole and nozzle inner core forms eddy flow cavity, the convective tank of annular is provided in the middle part of nozzle inner core, and two stomatas are symmetricly set on the both ends of convective tank.When the gas-fluid two-phase mixture in gas well is begun to ramp up under the promotion of borehole pressure, gas-liquid mixture enters in inlet chamber body and carries out volume compression to it by internal conical surface excessively, and then improve the flowing velocity of gas-liquid mixture, when gas-liquid mixture enters eddy flow cavity, fluid contacts with each other with swirl vane, fluid driven is rotated by swirl vane, the centrifugal force finally generated using rotation is thrown away gas-liquid mixture from spurt hole.
Description
Technical field
The present invention relates to underground gas production field, in particular to a kind of steam atomization nozzles.
Background technology
All ponding can occur in shaft bottom in various degree in most gas wells at home, for there are the gas of bottom water or side water
Well, liquid-gas ratio will gradually increase in recovery process, if adjustment liquid-gas ratio or shaft bottom hydrops exclude well not in time not in time
Mouthful, this can lead to the normal production of gas well, or even gas well is drowned and causes to stop production, therefore correctly predicted gas well is different degrees of
Jacking capacity under liquid content selects the water drainage-gas recovery technology of suitable gas well to have important reality according to the actual conditions of gas well
Meaning.
Gas well shaft bottom, which just starts to occur liquid when a small amount of hydrops in pit shaft, to utilize the climbing power band of itself by gas
Go out pit shaft, gas well can also be produced normally, and at this moment the most stream flow velocity of gas well air-flow is known as gas well and takes liquid critical flow velocity, corresponding gas
Flow is known as gas well and takes liquid critical flow；When the actual flow velocity of gas in pit shaft is less than critical flow velocity, air-flow cannot be by well
Interior liquid takes well head out of using the climbing power of itself.And in the prior art, generally use emple hole, liquid obtains after being overpressurized
Larger kinetic energy is obtained, liquid will be ejected with prodigious speed after nozzle, be hindered in surface tension of liquid, viscosity and air
Under power interaction, liquid by drippage, smooth flow, it is wavy flow to spray flow and gradually change, finally facilitate the two-phase for realizing gas-liquid
Separation；But the flow due to being discharged in emple hole has surface tension, during liquid is changed into spray flow,
Need to constantly pressurize to underground, which could meet liquid, occurs friction with surrounding air with very high speed when ejecting and detaches
Atomization, then the air pressure of underground is higher, and the safety reliability that when gas production is faced is lower, easily causes safety accident.
Invention content
The purpose of the present invention is to provide a kind of steam atomization nozzles, and gas-liquid is facilitated quickly independently to rise outside discharge well,
Achieve the purpose that improve gas production safety reliability simultaneously.
The purpose of the invention is achieved by the following technical solution：
A kind of steam atomization nozzle, including nozzle inner core and the nozzle housing that is set in outside nozzle inner core, nozzle housing
End be equipped with spurt hole, internal conical surface is set in nozzle inner core one end, and the internal conical surface and nozzle housing is interior
Wall forms air inlet cavity, and the nozzle inner core other end is provided with the through-hole of face spurt hole, multiple eddy flow leaves are equipped on through-hole wall
Piece, and the inner wall of through-hole and nozzle inner core forms eddy flow cavity；Further include two gas for running through nozzle housing and nozzle inner core
Hole, two stomatas are staggered in the both sides of nozzle inner core axes, and the outlet side of the stomata is in the in-core gas-liquid along nozzle
The negative direction of two-phase flow is bent.Nozzle is fixed on to the outlet side of gas well, when the gas-fluid two-phase mixture in gas well is in well
It is begun to ramp up under the promotion of pressure, gas-liquid mixture enters in inlet chamber body and carries out volume pressure to it by internal conical surface excessively
Contracting, and then the flowing velocity of gas-liquid mixture is improved, when gas-liquid mixture enters eddy flow cavity, fluid is mutual with swirl vane
Contact, is rotated fluid driven by swirl vane, and the centrifugal force finally generated using rotation is by gas-liquid mixture from spurt hole
In throw away；
When the flow very little of gas-liquid mixture, when centrifugal force is more than surface tension of liquid, it is by being thrown away in spurt hole
Larger-size big drop, at this time liquid directly split into drop；When flow increases, liquid is more at quantity by rotary splitter
Filamentous jet stream, the fluidised form of liquid is extremely unstable, after liquid leaves rotating vane end and sprays a distance by spurt hole, directly
It connects and rubbing action occurs and is separated into droplet with air, form mitoschisis drop, when flow continues to increase, brin is mutual
Connect into liquid film, as liquid film extends to the outside into thinner liquid film, and with friction occurs for the air of very high speed and surrounding and
Separation atomization, drop is split by film-form so that misty gas-liquid mixture is sprayed in spurt hole, while in normal use
The gas-liquid two-phase in gas well is extracted under operating pressure, to facilitate the gas-liquid separation process in later stage；
Wherein by injecting steam to stomata, inner wall of the steam poured into as working media along stomata enters vortex chamber
In body, and the direction moved to gas-liquid mixture in the end of stomata is bent, i.e. steam makes a relative move with gas-liquid two-phase, is steamed
Surface tension, the viscous interaction for the resistance and gas-liquid mixture that vapour generates, swiftly flowing steam and relatively low speed
The gas-liquid mixture or liquid film of movement mutually generate vibrations, friction so that liquid is sprayed by drippage, smooth flow, wavy flow direction
Stream gradually transformation, final liquid crushing are tiny liquid；Then rise rapidly using the CENTRIFUGAL ACCELERATING of swirl vane, it is convenient
Gas-liquid quickly independently rises outside discharge well, while achieving the purpose that improve gas production safety reliability.
Further, the end of the nozzle inner core is equipped with annular groove, and the eddy flow cavity passes through circular hole and annular
Groove is connected to.Annular space is formed between annular groove and the inner wall of nozzle housing, gas-liquid mixture is when that will pass through swirl vane
It is entered in annular space by circular hole, reduces stream of the gas-liquid mixture in eddy flow cavity close to its inner wall section to a certain extent
Layer movement velocity, avoids gas-liquid mixture from directly causing to impact to swirl vane, influences stream after preventing swirl vane Local Damaged
The rotation of body improves the atomizing effect of gas-liquid mixture in spurt hole.
Further, further include the diffusion hole for being opened in nozzle housing end, the outlet side of the diffusion hole and spurt hole
Connection.The misty liquid droplets range of scatter projected by spurt hole is larger, is unfavorable for collection of the operation to misty liquid droplets on well, with jet flow
The misty liquid droplets that the diffusion hole of hole connection can spray radiation carry out gathering aggregation, are allowed to be directly entered the receiving in device on well
In chamber.
Compared with prior art, the present invention having the following advantages and advantages：
1, the present invention when flow continue increase when, brin is interconnected to liquid film, with liquid film extend to the outside into it is thinner
Liquid film, and with the air of surrounding friction occurs for very high speed and detaches atomization, drop is split by film-form so that spraying
Discharge orifice sprays misty gas-liquid mixture, while extracting the gas-liquid two-phase in gas well under the operating pressure of normal use,
To facilitate the gas-liquid separation process in later stage；
2, annular space is formed between annular groove of the invention and the inner wall of nozzle housing, gas-liquid mixture will pass through rotation
It is entered in annular space by circular hole when flowing blade, reduces gas-liquid mixture to a certain extent in eddy flow cavity close to its inner wall
Partial fluid layer movement velocity, avoids gas-liquid mixture from directly causing to impact to swirl vane, prevents swirl vane Local Damaged
The rotation for influencing fluid afterwards, improves the atomizing effect of gas-liquid mixture in spurt hole.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of nozzle housing；
Fig. 3 is the structural schematic diagram of nozzle inner core；
Label and corresponding parts title in attached drawing：
1- nozzle housings, 2- air inlets cavity, 3- internal conical surfaces, 4- nozzles inner core, 5- eddy flows cavity, 6- annular grooves, 7-
Swirl vane, 8- spurt holes, 9- diffusion holes, 10- stomatas.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ 3, the present embodiment includes nozzle inner core 4 and the nozzle housing being set in outside nozzle inner core 41, spray
The end of mouth shell 1 is equipped with spurt hole 8, and internal conical surface 3, and the internal conical surface 3 and spray is arranged in described 4 one end of nozzle inner core
The inner wall of mouth shell 1 forms air inlet cavity 2, and 4 other end of nozzle inner core is provided with the through-hole of face spurt hole 8, pacifies on through-hole wall
Inner wall equipped with multiple swirl vanes 7, and through-hole and nozzle inner core 4 forms eddy flow cavity 5；Further include two and runs through nozzle housing
1 and nozzle inner core 4 stomata 10, two stomatas 10 are staggered in the both sides of 4 axis of nozzle inner core, and the stomata 10
Negative direction bending of the outlet side in the gas liquid two-phase flow along nozzle inner core 4.
Nozzle is fixed on to the outlet side of gas well, when the gas-fluid two-phase mixture in gas well is opened under the promotion of borehole pressure
Begin to rise, gas-liquid mixture by internal conical surface 3 carries out it volume compression after entering in air inlet cavity 2, and then improves gas
The flowing velocity of liquid mixture, when gas-liquid mixture enters eddy flow cavity 5, fluid contacts with each other with swirl vane 7, passes through rotation
Stream blade 7 rotates fluid driven, and the centrifugal force finally generated using rotation is thrown away gas-liquid mixture from spurt hole 8；When
It is larger-size by being thrown away in spurt hole 8 when centrifugal force is more than surface tension of liquid when the flow very little of gas-liquid mixture
Big drop, at this time liquid directly split into drop；When flow increases, liquid is penetrated by rotary splitter at a fairly large number of filiform
Stream, the fluidised form of liquid is extremely unstable, liquid leave rotating vane end and by spurt hole 8 spray a distance after, directly with sky
Gas occurs rubbing action and is separated into droplet, forms mitoschisis drop, and when flow continues to increase, brin is interconnected to
Liquid film, as liquid film extends to the outside into thinner liquid film, and with the air of surrounding friction occurs for very high speed and detaches mist
Change, drop is split by film-form so that sprays misty gas-liquid mixture in spurt hole 8, while in the work of normal use
The gas-liquid two-phase in gas well is extracted under pressure, to facilitate the gas-liquid separation process in later stage；By injecting steam to stomata 10,
The steam poured into is entered along the inner wall of stomata 10 in eddy flow cavity 5 as working media, and in the end of stomata 10 to gas-liquid
The direction of mixture movement is bent, i.e., steam makes a relative move with gas-liquid two-phase, the resistance and gas-liquid mixture of steam generation
Surface tension, viscous interaction, the gas-liquid mixture or liquid film of the movement of swiftly flowing steam and relatively low speed
Mutually generate vibrations, friction so that liquid by drippage, smooth flow, it is wavy flow to spray flow and gradually change, final liquid crushing is
Tiny liquid；Then rise rapidly using the CENTRIFUGAL ACCELERATING of swirl vane 7, gas-liquid is facilitated quickly independently to rise discharge well
Outside, while achieving the purpose that improve gas production safety reliability.
Wherein, the end of the nozzle inner core 4 is equipped with annular groove 6, and the eddy flow cavity 5 is recessed with annular by circular hole
Slot 6 is connected to.Annular space is formed between annular groove 6 and the inner wall of nozzle housing 1, gas-liquid mixture will pass through swirl vane 7
When entered in annular space by circular hole, reduce gas-liquid mixture to a certain extent in eddy flow cavity 5 close to its inner wall section
Fluid layer movement velocity, avoid gas-liquid mixture from directly causing to impact to swirl vane 7, after preventing 7 Local Damaged of swirl vane
The rotation of fluid is influenced, the atomizing effect of gas-liquid mixture in spurt hole 8 is improved.
Further include the diffusion hole 9 for being opened in 1 end of nozzle housing, the diffusion hole 9 is connected to the outlet side of spurt hole 8.
The misty liquid droplets range of scatter projected by spurt hole 8 is larger, is unfavorable for collection of the operation to misty liquid droplets on well, with spurt hole 8
The misty liquid droplets that the diffusion hole 9 of connection can spray radiation carry out gathering aggregation, are allowed to be directly entered the receiving in device on well
In chamber.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (1)
1. a kind of steam atomization nozzle, including nozzle inner core（4）And it is set in nozzle inner core（4）Outer nozzle housing（1）, spray
Mouth shell（1）End be equipped with spurt hole（8）, it is characterised in that：In the nozzle inner core（4）Internal conical surface is arranged in one end（3）,
And the internal conical surface（3）With nozzle housing（1）Inner wall formed air inlet cavity（2）, nozzle inner core（4）The other end is provided with face
Spurt hole（8）Through-hole, there are three swirl vanes for installation on through-hole wall（7）, and through-hole and nozzle inner core（4）Inner wall formed
Eddy flow cavity（5）；Further include two and runs through nozzle housing（1）And nozzle inner core（4）Stomata（10）, two stomatas（10）It hands over
Mistake is arranged in nozzle inner core（4）The both sides of axis, and the stomata（10）Outlet side along nozzle inner core（4）Interior gas-liquid two-phase
The negative direction of flowing is bent；The nozzle inner core（4）End be equipped with annular groove（6）, and the eddy flow cavity（5）Pass through circle
Hole and annular groove（6）Connection, annular groove（6）With nozzle housing（1）Inner wall between form annular space；Further include being opened in spray
Mouth shell（1）The diffusion hole of end（9）, the diffusion hole（9）With spurt hole（8）Outlet side connection, the nozzle housing（1）
Gas-liquid mixture approach section be cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132911.4A CN104759369B (en) | 2015-03-26 | 2015-03-26 | A kind of steam atomization nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132911.4A CN104759369B (en) | 2015-03-26 | 2015-03-26 | A kind of steam atomization nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759369A CN104759369A (en) | 2015-07-08 |
| CN104759369B true CN104759369B (en) | 2018-10-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510132911.4A Expired - Fee Related CN104759369B (en) | 2015-03-26 | 2015-03-26 | A kind of steam atomization nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759369B (en) |
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| CN106761608B (en) * | 2017-01-11 | 2022-11-18 | 山东科技大学 | Liquid drainage and gas production device and method for natural gas underground gas storage |
| CN107051768A (en) * | 2017-04-12 | 2017-08-18 | 江汉大学 | A kind of pressure balance type atomizer |
| US11519250B2 (en) * | 2018-05-10 | 2022-12-06 | Variperm Energy Services Inc. | Nozzle for steam injection |
| CN108772218B (en) * | 2018-06-29 | 2020-09-22 | 新沂市锡沂高新材料产业技术研究院有限公司 | Eddy current type cleaning and spraying device |
| CN110449283A (en) * | 2019-09-12 | 2019-11-15 | 河北工业大学 | A kind of novel atomized nozzle based on bubble cutting |
| CN112808476A (en) * | 2019-11-15 | 2021-05-18 | 中国石油天然气集团有限公司 | Nozzle atomization effect strengthening device and nozzle |
| CN111249513B (en) * | 2020-03-18 | 2020-10-16 | 湖南翰坤实业有限公司 | Hand-held type atomizing sterilizer |
| CN111250288B (en) * | 2020-04-09 | 2021-09-14 | 宜昌诚美农业有限公司 | Irrigation spray head |
| CN112024150B (en) * | 2020-09-04 | 2022-03-08 | 万载鹏威实业有限公司 | Automatic spraying device for spraying production line |
| CN112547335A (en) * | 2020-12-25 | 2021-03-26 | 张家港力勤机械有限公司 | Atomizing and spraying device matched with mixing head in spraying type plate foaming machine |
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| GB2458022A (en) * | 2008-03-04 | 2009-09-09 | Delavan Inc | Air-Blast Fuel Injection Nozzle With Diverging Exit Region |
| CN201988465U (en) * | 2011-02-21 | 2011-09-28 | 青岛欧卡玛环保科技有限公司 | Spray sprinkler |
| CN202212297U (en) * | 2011-08-15 | 2012-05-09 | 上海守望者喷雾智能系统有限公司 | Nozzle of external-mixing spray gun |
| CN104128270A (en) * | 2014-07-25 | 2014-11-05 | 天津成科自动化工程技术有限公司 | Dual-purpose nozzle for water mist and gas mist |
| CN104437914A (en) * | 2014-11-24 | 2015-03-25 | 中国空间技术研究院 | Atomizing device for space spray coating |
| CN204620263U (en) * | 2015-03-26 | 2015-09-09 | 成都来宝石油设备有限公司 | A kind of aqueous vapor well steam atomization injector |
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2015
- 2015-03-26 CN CN201510132911.4A patent/CN104759369B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2458022A (en) * | 2008-03-04 | 2009-09-09 | Delavan Inc | Air-Blast Fuel Injection Nozzle With Diverging Exit Region |
| CN201988465U (en) * | 2011-02-21 | 2011-09-28 | 青岛欧卡玛环保科技有限公司 | Spray sprinkler |
| CN202212297U (en) * | 2011-08-15 | 2012-05-09 | 上海守望者喷雾智能系统有限公司 | Nozzle of external-mixing spray gun |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104759369A (en) | 2015-07-08 |
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