CN205774377U - A kind of gas dehydration dehydrating unit - Google Patents
A kind of gas dehydration dehydrating unit Download PDFInfo
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- CN205774377U CN205774377U CN201620712526.7U CN201620712526U CN205774377U CN 205774377 U CN205774377 U CN 205774377U CN 201620712526 U CN201620712526 U CN 201620712526U CN 205774377 U CN205774377 U CN 205774377U
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- pipeline
- laval
- separator
- outlet
- import
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Abstract
This utility model relates to natural gas field, especially a kind of gas dehydration dehydrating unit.Including air inlet pipe, pressurizer tank, Laval pipeline, separator, water draining beak, diffuser pipe and valve system.Air inlet pipe is connected with pressurizer tank, and pressurizer tank connects by valve system control with Laval pipeline, and separator is arc shape pipeline, and the two ends of separator are connected with Laval pipeline and diffuser pipe respectively.Have an advantage in that: utilize supersonic expansion refrigeration to make water vapor condensation in natural gas become drop, recycling centrifugal force to realize the separation of gas-liquid two-phase, be finally reached the effect of gas dehydration dehumidifying.Simple in construction, gas-liquid separation efficiency is high, and treating capacity can regulate.
Description
Technical field
This utility model relates to natural gas field, especially a kind of gas dehydration dehydrating unit.
Background technology
Natural gas is the most important a kind of resource, and the natural gas exploited from ocean and land contains certain steam
And impurity, in long-distance pipe transport process, along with temperature Change, in natural gas, steam is likely condensed into liquid phase and causes
The obstruction of pipeline and corrosion, therefore the high-efficiency dehydration of natural gas is significant.The most conventional gas dehydration process side
Method includes: adsorption method of separation, condensation separation method and oil-absorption process.Traditional segregation apparatus has: condensing tube, vortex tube, centrifugal point
From device, choke valve, electrostatic separating device etc..There is a lot of weak point in apparatus above, such as investment height, operation complexity, Er Qie
In the case of Hen Duo, separation efficiency can not reach requirement.
In order to make segregation apparatus investment low, easy and simple to handle, compact conformation floor space is little, and international and national is devoted to out
The natual gas dehydrate unit sending out novel.Within 1997, the Dutch Shell Oil Company have purchased the Patents of supersonic speed isolation technics,
It is applied to well head natural gas processing, and achieves a series of breakthrough, successively apply for multinomial patent.Shell Co. Ltd researches and develops
Supersonic speed natual gas dehydrate unit there is the feature of light structure, be well suited for being applied to offshore platform.The most domestic also have many
R&D institution of family and colleges and universities do correlational study again, have the most all applied for some patents, and as Beijing University of Technology, China University Of Petroleum Beijing is all
Build laboratory table and the dehydration device developed has been carried out experimentation, and achieve certain achievement.Domestic about natural gas
The Patents of ultrasonic dehydration is such as: 200610043158.2,200610105199.X, 200810011258.6,
200910024347.9,200910093744.1 etc..
The core component of the above patent is all Laval jet pipe, is all to amass change according to pipeline section to realize natural gas
Speedup blood pressure lowering cooling and the condensation of steam, make gas-liquid two-phase do swirling motion to realize gas-liquid two-phase under making rotation structure function
Separation, but the most existing make rotation structure the most immature, as preposition cyclone can affect nozzle interior field with
The condensation of steam, rearmounted cyclone separation efficiency is the highest.For problem above, this patent is by Laval pipeline i.e. condensing unit
Combining with the i.e. gas-liquid two-phase segregation apparatus of separator, separator does not affect the flow field in pipeline after being placed in condensation pipe
Condensation with steam.And the tune for the treatment of capacity can be realized by the valve of the different pipeline of Guan Bi according to the requirement of actual production
Joint.
Summary of the invention
Process investment height, operation complexity to solve gas dehydration in prior art, and separate under many circumstances
Efficiency can not reach a difficult problem for requirement, and this utility model provides a kind of gas dehydration dehydrating unit.
For reaching above-mentioned purpose, the technical scheme is that
A kind of gas dehydration dehydrating unit, including air inlet pipe, pressurizer tank, Laval pipeline, separator, water draining beak, diffusion
Pipe and valve system；Air inlet pipe is connected with pressurizer tank, and pressurizer tank connects by valve system control with Laval pipeline, point
Being arc shape pipeline from device, the two ends of separator are connected with Laval pipeline and diffuser pipe respectively.
The most specifically optimizing as this utility model scheme, valve system is made up of handwheel, boss, rotating shaft, baffle plate；
The bottom of rotating shaft is provided with screw thread, top is provided with boss, and boss is fixed by labyrinth gland；Barrier width is more than Laval pipeline
Entrance width, length more than the length of Laval conduit entrance, thickness more than the diameter of rotating shaft；Baffle plate has bolt hole, with turn
Axle connects；The handwheel driving baffle plate to move up and down is fixed on the upper end of rotating shaft.
The most specifically optimize as this utility model scheme, Laval pipeline be thick middle part, two ends thin tapered gradually
Expansion formula pipeline, the cross section of tapered gradual-enlargement type pipeline is rectangle；
Tapered gradual-enlargement type pipeline has four sides, two relative sides to have identical curved design, two other
For plane；
Amass minimum at the converging transition of tapered gradual-enlargement type pipeline and the pipeline section of divergent segment intersection and form throat's knot
Structure；
Converging transition N-Side surf equation is
H in formula1For the import cross-sectional height of Laval pipeline 1/2, h2For throat's cross-sectional height 1/2, L1Length for converging transition
Degree；Divergent segment includes throat's arc transition section, straightway and the Laval pipe outlet section of seamlessly transitting, two relative straightways it
Between angle Φ be 10 °；Divergent segment a length ofH in formula3For Laval pipe outlet cross-sectional height 1/
2。
The most specifically optimize as this utility model scheme, separator be cross section be the arc shape pipeline of rectangle,
The arc chord angle of arc shape pipeline is 120 °-180 °；The lateral surface of separator has discharge outlet, and the height of discharge outlet is less than separator
Height, discharge outlet connects with water draining beak, and the number of discharge outlet is 3-6.
The most specifically optimizing as this utility model scheme, the import of water draining beak matches with discharge outlet shapes and sizes
Close；Discharge outlet is provided with export and import, and the internal diameter of outlet, goes out less than the width of import less than the internal diameter of import, the width of outlet
The length of mouth is identical with the length of import；Outlet and import θ in a certain angle.
The most specifically optimizing as this utility model scheme, angle of flare α of diffuser pipe is 3-5 °.
The most specifically optimize as this utility model scheme, pressurizer tank and multiple Laval pipeline communications.
Compared to the prior art this utility model, has an advantage in that: utilize supersonic expansion refrigeration to make water in natural gas steam
Air cooling is congealed into drop, and recycling centrifugal force realizes the separation of gas-liquid two-phase, is finally reached the effect of gas dehydration dehumidifying；Structure
Simply, easy and simple to handle, Financial cost is relatively low, and gas-liquid separation efficiency is high, and treating capacity is free to regulation.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is sectional structure schematic diagram of the present utility model；
Fig. 2 is plan structure schematic diagram of the present utility model；
Fig. 3 is this utility model Laval pipeline sectional structure schematic diagram；
Fig. 4 is valve system structural representation of the present utility model；
Fig. 5 is this utility model water draining beak structural representation；
Fig. 6 is this utility model diffuser pipe structural representation；
In figure, 1, air inlet pipe, 2, pressurizer tank, 3, handwheel, 4, boss, 5, baffle plate, 6, Laval pipeline, 7, separator, 8, row
Water nozzle, 9, diffuser pipe, 10, rotating shaft, 11, labyrinth gland, 12, discharge outlet, 13, import, 14, outlet.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
In description of the present utility model, it is to be understood that term " longitudinally ", " laterally ", " on ", D score, " front ",
" afterwards ", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of and describe this utility model rather than instruction or the dress of hint indication
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.
A kind of gas dehydration dehydrating unit, as depicted in figs. 1 and 2, including air inlet pipe 1, pressurizer tank 2, Laval pipeline
6, separator 7, water draining beak 8, diffuser pipe 9 and valve system.Air inlet pipe 1 is connected with pressurizer tank 2, and pressurizer tank 2 and Laval is managed
The connection in road 6 by valve system control, separator 7 in arc shape pipeline, the two ends of separator 7 respectively with Laval pipeline 6 and expand
Pressure pipe 9 is connected, and angle of flare α of diffuser pipe 9 is 3-5 °.
Separator 7 is the arc shape pipeline of rectangle in cross section, and the arc chord angle of arc shape pipeline is 120 °-180 °.Separate
The lateral surface of device 7 has discharge outlet 12, and the height of discharge outlet 12 is less than the height of separator 7, and discharge outlet 12 is with water draining beak 8 even
Logical, the number of discharge outlet 12 is 3-6.
Pressurizer tank 2 connects with multiple Laval pipelines 6, controls different Laval respectively by the up and down motion of different baffle plates 5
The Guan Bi of pipeline 6 is to be applicable to different natural gas processing amounts.
The import 13 of water draining beak 8 matches with discharge outlet 12 shapes and sizes.Discharge outlet 12 is provided with outlet 14 and import 13,
The internal diameter of outlet 14 less than the internal diameter of import 13, the internal diameter of outlet 14 less than the internal diameter of import 13, the width of outlet 14 be less than into
The width of mouth 13, the length of outlet 14 is identical with the length of import 13.Outlet 14 and import 13 θ in a certain angle.
Valve control system can be with the different baffle plate of opening and closing, it is achieved the unlatching of different Laval pipelines 6 and Guan Bi, with regulation
Natural gas processing amount is adapted to different production requirements.Valve system is made up of handwheel 3, boss 4, rotating shaft 10, baffle plate 5.Rotating shaft
The bottom of 10 is provided with screw thread, top is provided with boss 4, and boss 4 is fixed by labyrinth gland 11.Baffle plate 5 width is managed more than Laval
The entrance width in road 6, length more than the length of Laval pipeline 6, thickness more than the diameter of rotating shaft 10.Baffle plate 5 has bolt hole,
It is connected with rotating shaft 10.The handwheel 3 driving baffle plate 5 to move up and down is fixed on the upper end of rotating shaft 10, can drive gear when handwheel 3 rotates
Plate 5 moves up and down, and then realizes the Guan Bi of pipeline opening.
The Laval pipeline 6 tapered gradual-enlargement type pipeline that thick middle part is thin in two ends, the cross section of tapered gradual-enlargement type pipeline is
Rectangle.Tapered gradual-enlargement type pipeline has four sides, two relative sides to have identical curved design, and two other is flat
Face.Amass minimum at the converging transition of tapered gradual-enlargement type pipeline and the pipeline section of divergent segment intersection and form laryngeal structure, gradually
Contracting section N-Side surf equation isH in formula1For
The 1/2, h of the import cross-sectional height of Laval pipeline 62For throat's cross-sectional height 1/2, L1Length for converging transition.Flaring
Section includes that throat's arc transition section, straightway and Laval pipeline 6 export the section of seamlessly transitting, the relative folder between two straightways
Angle Φ is 10 °, divergent segment a length ofH in formula3For Laval pipeline 6 exit cross-section height 1/2.
As Fig. 3, Laval pipeline 6 is made up of two planes and two curved surfaces, cross-sectional area first diminishes and becomes big again, sectional area
Form throat at little, for boundary, Laval pipeline 6 is divided into converging transition and divergent segment with throat.Natural gas from pressurizer tank with necessarily
Speed enters Laval pipeline 6, diminishes along with pipeline section is long-pending at converging transition, and natural gas rate constantly increases, and regulates pressurizer tank 2
Pressure thus regulate intake velocity, under certain operating mode, natural gas rate reaches velocity of sound in throat, at the flaring of Laval pipeline 6
Section natural gas reaches supersonic speed, and speed increases further, and temperature reduces further, and water vapor condensation becomes droplet.
Such as Fig. 1, natural gas enters separator 7 entrainment of droplet from Laval pipeline 6, owing to gas-liquid centrifugal force is different, little
Water droplet is got rid of to limit wall, and enters water draining beak, discharger from discharge outlet 12, and dry gas phase enters diffuser pipe 9.
Such as Fig. 6, diffuser pipe 9 angle of flare α is 3-5 °, and the natural gas being dried enters diffuser pipe 9 from separator 7, and pressure increases,
Temperature raises and enters conveying pipe.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model rather than limit
System, although being described in detail this utility model with reference to preferred embodiment, it will be understood by those within the art that,
The technical solution of the utility model can be modified or equivalent, without deviating from the essence of technical solutions of the utility model
God and scope, it all should be contained in the middle of right of the present utility model.
Claims (7)
1. a gas dehydration dehydrating unit, it is characterised in that include air inlet pipe (1), pressurizer tank (2), Laval pipeline (6),
Separator (7), water draining beak (8), diffuser pipe (9) and valve system；
Described air inlet pipe (1) is connected with described pressurizer tank (2), and described pressurizer tank (2) connects with described Laval pipeline (6)
By valve system control, described separator (7) in arc shape pipeline, the two ends of described separator (7) respectively with Laval pipeline
(6) it is connected with described diffuser pipe (9).
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that: described valve system is by handwheel
(3), boss (4), rotating shaft (10), baffle plate (5) composition；
The bottom of described rotating shaft (10) is provided with screw thread, top is provided with boss (4), and described boss (4) is by labyrinth gland (11)
Fixing；Described baffle plate (5) width is more than the length of Laval pipeline (6), thickness more than the entrance width of Laval pipeline (6), length
Degree is more than the diameter of rotating shaft (10)；Described baffle plate (5) has bolt hole, is connected with rotating shaft (10)；Baffle plate (5) is driven to move up and down
Handwheel (3) be fixed on the upper end of rotating shaft (10).
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that: described Laval pipeline (6)
The tapered gradual-enlargement type pipeline that thick middle part is thin in two ends, the cross section of described tapered gradual-enlargement type pipeline is rectangle；
Described tapered gradual-enlargement type pipeline has four sides, two relative sides to have identical curved design, two other
For plane；The converging transition of described tapered gradual-enlargement type pipeline and the pipeline section of divergent segment intersection amass minimum and form throat's knot
Structure；
Described converging transition N-Side surf equation is
H in formula1For the import cross-sectional height of Laval pipeline (6) 1/2, h2For throat's cross-sectional height 1/2, L1For converging transition
Length；
Described divergent segment includes throat's arc transition section, straightway and Laval pipeline (6) the outlet section of seamlessly transitting, relative two
Angle Φ between straightway is 10 °；
Described divergent segment a length ofH in formula3For Laval pipeline (6) exit cross-section height 1/2.
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that described separator (7) is in horizontal stroke
Cross section is the arc shape pipeline of rectangle, and the arc chord angle of described arc shape pipeline is 120 °-180 °；The outside of described separator (7)
Face has discharge outlet (12), and the height of described discharge outlet (12) is less than the height of separator (7), described discharge outlet (12) and draining
Mouth (8) connects, and the number of described discharge outlet (12) is 3-6.
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that: described water draining beak (8)
Import (13) matches with discharge outlet (12) shapes and sizes；Described discharge outlet (12) is provided with outlet (14) and import (13), institute
Stating the internal diameter internal diameter less than described import (13) of outlet (14), the width of described outlet (14) is less than the width of described import (13)
Degree, the length of described outlet (14) is identical with the length of described import (13)；Described outlet (14) and described import (13) are in one
Determine angle theta.
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that: the expansion of described diffuser pipe (9)
Subtended angle α is 3-5 °.
A kind of gas dehydration dehydrating unit the most according to claim 1, it is characterised in that: described pressurizer tank (2) with
Multiple Laval pipelines (6) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712526.7U CN205774377U (en) | 2016-07-07 | 2016-07-07 | A kind of gas dehydration dehydrating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712526.7U CN205774377U (en) | 2016-07-07 | 2016-07-07 | A kind of gas dehydration dehydrating unit |
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| Publication Number | Publication Date |
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| CN205774377U true CN205774377U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620712526.7U Expired - Fee Related CN205774377U (en) | 2016-07-07 | 2016-07-07 | A kind of gas dehydration dehydrating unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835565A (en) * | 2019-11-19 | 2020-02-25 | 中国石油大学(华东) | Natural gas-liquid separation device |
| CN111760887A (en) * | 2020-07-13 | 2020-10-13 | 广西仁速环保科技有限公司 | Domestic garbage treatment method |
-
2016
- 2016-07-07 CN CN201620712526.7U patent/CN205774377U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835565A (en) * | 2019-11-19 | 2020-02-25 | 中国石油大学(华东) | Natural gas-liquid separation device |
| CN111760887A (en) * | 2020-07-13 | 2020-10-13 | 广西仁速环保科技有限公司 | Domestic garbage treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20170707 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |