CN208611854U - A kind of biphase gas and liquid flow distribution control device - Google Patents
A kind of biphase gas and liquid flow distribution control device Download PDFInfo
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- CN208611854U CN208611854U CN201820913476.8U CN201820913476U CN208611854U CN 208611854 U CN208611854 U CN 208611854U CN 201820913476 U CN201820913476 U CN 201820913476U CN 208611854 U CN208611854 U CN 208611854U
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- 239000007788 liquid Substances 0.000 title claims abstract description 106
- 238000009826 distribution Methods 0.000 title abstract description 33
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 22
- 239000012071 phase Substances 0.000 description 99
- 238000007493 shaping process Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- 238000011144 upstream manufacturing Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000005514 two-phase flow Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001464 adherent effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
- B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
- B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0063—Regulation, control including valves and floats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
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Abstract
The utility model provides a kind of biphase gas and liquid flow distribution control device, device includes central tube and the swirl vane that is mounted on inside central tube, it further include that gas-liquid shunts outer tube, first draught control valve, draught control valve on second, second lower draught control valve, third draught control valve, phase content control device, the phase content control device, third draught control valve is arranged inside central tube, the phase content control device is located at the lower section of swirl vane, the third draught control valve is located at the lower section of phase content control device, the gas-liquid shunts outer tube sleeve outside central tube, and buffering annular space is formed between the two, the buffering ring installs draught control valve on second in the air, second lower draught control valve.The utility model fundamentally overcomes the not identical influence to distribution of each distribution branch drag characteristic, realizes the distribution of uniformly or non-uniformly phase content of the gas-liquid two-phase fluid under different flow.
Description
Technical field
The utility model relates to gas-liquid two-phase fluid distribution and control device, especially a kind of biphase gas and liquid flow distribution control
Device.
Background technique
It is widely present biphase gas and liquid flow in many industrial circles such as petroleum, chemical industry, needs to carry out flow to biphase gas and liquid flow
Distribution.It is extensive to require to be in the assignment procedure, to overcome gas-liquid two-phase fluid phenomenon of phase separation, realize the feelings of identical phase content
Different flow distribution under condition, is related to patent in this respect at present both at home and abroad and there are many method, respectively there is advantage and disadvantage.But in petroleum work
In industry, in thermal production well steam injection development process, needs to realize the distribution for not waiting different flow under phase contents, overcome gas phase onlap etc.
When phenomenon, the fluid of high gas phase content is injected into lower layer, and the fluid of high liquid phase content is injected into upper layer, improves thermal recovery
Development effectiveness.In this case, exactly it is exaggerated the phenomenon of phase separation of gas-liquid, and according to the result of optimization design in the phases such as not
In the case where containing rate, the accurate distribution of each laminar flow amount and phase content is realized, there is presently no see mature application.
Studies have shown that if only the density contrast by gas-liquid itself realizes that the different of needs mutually contain in a limited space
Rate difference is not accomplished, it is therefore desirable to situations such as considering dispensing arrangement, distributor two-phase flow parameter.By to domestic foreign minister
The investigation of patent and document is closed, uniform phase content is current domestic and foreign scholars' main study subject, including patent
CN101839395A is a kind of eddy flow shaping+critical method of salary distribution to guarantee the gas-liquid gas-liquid having the same into each branch
Ratio and flow.Patent CN1560570 proposes a kind of point that corresponding branch is alternately flowed to by given time quantum
Method of completing the square enhances the uniformity of distribution.In addition patent US6250131, US5250104,101402004 disclose fully separating point
Method of completing the square, the mode of " first separation, rear distribution ".Biphase gas and liquid flow is first separated into single-phase gas and single-phase liquid, is pressed
Ratio assigns to branch line, but relative volume is big, is not available in a limited space.
In conclusion two phase flow be respectively mutually evenly distributed to each branch patent and method it is relatively more, respectively have feature and be applicable in
Range, can be realized the distribution of the different flow in the case of uniform phase content, but be related to limited interior different phase contents of having time
The distribution method of different flow has not been reported.
Utility model content
The purpose of the utility model is to provide a kind of biphase gas and liquid flows to distribute control device, by the gas-liquid two in central tube
Phase fluid is assigned to downstream difference branch pipe by different flows and different phase fractions, fundamentally overcomes each distribution branch
The distribution of uniform phase content of the gas-liquid two-phase fluid under different flow is realized in the not identical influence to distribution of drag characteristic.Point
Zhi Liuliang and phase content are not necessarily to human intervention, can be carried out automatic adjusument without regulating valve.Single unit system is small in size, structure is simple
Compact, movement-less part, Maintenance free has good environmental suitability.
The purpose of this utility model can be achieved by the following technical measures:
The biphase gas and liquid flow distributes the swirl vane that control device includes central tube and is mounted on inside central tube, further includes
Gas-liquid shunt outer tube, the first draught control valve, draught control valve on second, the second lower draught control valve, third draught control valve,
Phase content control device, the phase content control device, third draught control valve are arranged inside central tube.The phase content
Control device is located at the lower section of swirl vane, and the third draught control valve is located at the lower section of phase content control device, the gas
Liquid shunts outer tube sleeve outside central tube, and forms buffering annular space between the two, which installs resistance control on second in the air
Valve processed, the second lower draught control valve, wherein the location of draught control valve is higher than locating for phase content control device on second
Position, wherein the location of second lower draught control valve is lower than the location of phase content control device, the central tube is opened
If radial hole, the first draught control valve is installed in the radial hole, the phase content control device is connected to third resistance in the axial direction
Force control valve, phase content control device are connected to the buffering annular space by the first draught control valve in radial direction.The phase contains
For rate control device tool there are two branch, respectively axial liquid outlet channel and liquid outlet groove, liquid outlet groove bottom, which blocks, bottom plate, liquid outlet groove
The first draught control valve being connected in centrally disposed pipe radial hole.
The purpose of this utility model can be also achieved by the following technical measures:
The first draught control valve is throttle type AND DEWATERING FOR ORIFICE STRUCTURE.
Draught control valve includes an annular plate on described second, open up on the annular plate to nozzle bore, under described second
Draught control valve is identical as draught control valve arrangement on second.
The third draught control valve is that generally tubular structure, third draught control valve insertion structure are from axial ends
To middle part, gradually undergauge, i.e. third draught control valve insertion middle part internal diameter are less than third draught control valve two-port internal diameter to mouth.
The swirl vane is made of the identical swirl vane of at least four chip architectures according to different angles, eddy flow leaf
Piece is half elliptic, and swirl vane outer rim is overlapped with inside pipe wall, and swirl vane height is less than the 0.5- of central tube entrance diameter
0.7 times, swirl vane does not have central axis, is fixed in central tube.
The central tube upper end connects top connection, and lower end connects lower contact.
The utility model has the advantages that compared with prior art
The utility model by cyclone mode eliminate flow pattern, parameter area to phase content and assignment of traffic it is uncontrollable because
Element guarantees distributor by being allocated in the case of different phase content different flows.In order to achieve the above objectives, the utility model
Using following technical solution, guarantee the gas into branch by " eddy flow shaping+phase content control device+draught control valve "
In the case of different phase contents of the gas-liquid two-phase liquid by design, moreover it is possible to be allocated by the flow of design." eddy flow shaping " is to divide
With swirl vane is installed in central tube, by the stratified flow of incoming flow, wave flow, slug flow, the rectification of annular flow equal flow type at liquid film thickness
Relatively uniform cyclic annular flow pattern is spent, to be mutually separated the condition of offer in the pipe of lower part." phase content control device " is by eddy flow shaping
Uniform annular flow carries out corresponding irregular runner cutting by the height proportional numerical value of phase content design, meets branched pipe
The phase content of phase content and central tube is allocated by the scheme of being pre-designed." draught control valve " is pacified in dispensing branch inlet
Adjustment throttling control valve, accelerates incoming flow, eliminates the influence of flow caused by downstream pressure fluctuation, promotes gas-liquid two-phase
Stream forms constant flow；
The not identical influence to distribution of each distribution branch drag characteristic is fundamentally overcome, realizes gas-liquid two-phase fluid
The distribution of uniform phase content under different flow；
Single unit system is small in size, simple and compact for structure, movement-less part, Maintenance free, has good environmental suitability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 a is the sectional view at uniform phase content control device；
Fig. 2 b is the sectional view at non-homogeneous phase content control device；
The cross-sectional view that outer tube is shunted with gas-liquid is managed centered on Fig. 3；
Fig. 4 is the structure chart of the first draught control valve；
Fig. 5 is the structure chart of third draught control valve；
Fig. 6 is eddy flow shaping blade structure chart；
Fig. 7 is flow structure figure after eddy flow shaping.
In figure: 1, top connection；2, central tube；3, swirl vane；4, gas-liquid shunts outer tube；5, draught control valve on second；
6, the first draught control valve；7, phase content control device；8, the second lower draught control valve；9, third draught control valve；10, it is connect under
Head；11, axisymmetric uniform annular flow；12, liquid outlet groove；13 buffering annular spaces；14, axial liquid outlet channel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
According to Fig. 1 to 7, a kind of biphase gas and liquid flow distributes control device, including central tube 2 and is mounted in central tube
The swirl vane 3 in portion further includes that gas-liquid shunts draught control valve 5, the first draught control valve 6, phase content control on outer tube 4, second
Device 7, second processed lower draught control valve 8, third draught control valve 9, the phase content control device 7, third draught control valve 9
It is arranged inside central tube, the phase content control device is located at the lower section of swirl vane, the third draught control valve position
In the lower section of phase content control device, the gas-liquid shunts 4 sets of outer tube outside central tube, and forms buffering annular space between the two
13, which installs the lower draught control valve 8 of draught control valve 5, second on second in the air, wherein draught control valve institute on second
The position at place is higher than the location of phase content control device, wherein the location of second lower draught control valve is lower than phase content
The location of control device, the central tube open up radial hole, and the first draught control valve 6, the phase are installed in the radial hole
Control device containing rate is connected to third draught control valve 9 in the axial direction, and phase content control device passes through the first resistance in radial direction
Force control valve is connected to the buffering annular space 13.There are two branch, respectively axial liquid outlet channels for the phase content control device tool
14 and liquid outlet groove 12, liquid outlet groove bottom, which blocks, bottom plate, and liquid outlet groove is connected to the first resistance control in centrally disposed pipe radial hole
Valve processed.
The first draught control valve is throttle type AND DEWATERING FOR ORIFICE STRUCTURE, and throttle type orifice plate belongs to existing conventional techniques, main to use
In eliminating different branch's pressure influences, drag losses are matched.
Draught control valve 5 is the structural body of axial nozzle bore opened up on an annular plate on described second, under described second
Draught control valve is identical as draught control valve arrangement on second.
The third draught control valve 9 is that generally tubular structure, third draught control valve insertion structure are from axial two
Gradually undergauge, i.e. third draught control valve insertion middle part internal diameter are less than third draught control valve two-port internal diameter at port to middle part.
The swirl vane 3 is made of the identical swirl vane of at least four chip architectures according to different angles, eddy flow
Blade is half elliptic, and swirl vane outer rim is overlapped with inside pipe wall, and swirl vane height is less than central tube entrance diameter
0.5-0.7 times, swirl vane does not have central axis, is fixed in central tube.
2 upper end of central tube connects top connection, and lower end connects lower contact.
The utility model basic thought is: passing through " eddy flow shaping+the+the first, second, third resistance of phase content control device
Control valve " is come in the case of guaranteeing the gas-liquid two-phase fluid into branch by the different phase contents of design, moreover it is possible to by the flow of design
It is allocated." eddy flow shaping " is to install swirl vane in distribution is responsible for, by the stratified flow of incoming flow, wave flow, slug flow, ring
Shape stream equal flow type rectifies and improves the cyclic annular flow pattern relatively uniform at thickness of liquid film, to be mutually separated the condition of offer in the pipe of lower part." phase content
Control device " is carried out the uniform annular flow of eddy flow shaping corresponding irregular by the height proportional numerical value of phase content design
The phase content of runner cutting, the phase content and supervisor that meet branched pipe is allocated by the scheme of being pre-designed." first, second,
Three draught control valves " are the installation and adjustment flow control valves at the central tube radial hole of phase content control device outlet port, right
Incoming flow is accelerated, and eliminates the influence of flow caused by downstream pressure fluctuation, biphase gas and liquid flow is promoted to form constant flow.
The swirl vane is made of the identical swirl vane of 4-8 chip architecture according to different angles, and swirl vane is
Half elliptic, swirl vane outer rim are overlapped 0.5-0.7 times that blade height is less than central tube entrance diameter with inside pipe wall, do not have
Central axis is fixed in circular pipe.Swirl vane is by the stratified flow from upstream, wave flow, slug flow, annular flow equal flow type
It is rectified into the uniform axisymmetric uniform annular flow of thickness of liquid film.As shown in figure 4, swirl vane is semi-circular structure, two blades
Arranged crosswise is in distributing center pipe, and angle size of reporting to the leadship after accomplishing a task is 45-60 °, and two swirl vane outer rims are overlapped with inside pipe wall contour line, by
It is seamless between blade outer rim and center tube wall, so that the direction that gas-liquid two-phase fluid is forced along blade composition generates rotation
Turn, liquid is thrown into tube wall under the action of the centrifugal force, to form gas core in the cyclic annular flow pattern of intermediate liquid film patch tube wall.
Draught control valve and the second lower draught control valve are a kind of control upstream and downstream outlet biphase gas and liquid flows on described second
The device of amount, it accelerates biphase gas and liquid flow using critical spray nozzle function, promotes to form critical flow at its nozzle path,
Eliminate influence of the downstream parameter fluctuation to distribution.Using the structure of critical flow nozzle, each branch outlet pressure can be preferably solved
Power difference is big, caused by flow and mass dryness fraction deviation the problem of.
After the phase content control device refers to that gas-liquid two-phase fluid enters the device, in the case where uniform annular flow,
By the division for calculating design gas-liquid difference phase content.The numerical value of its phase content and flow can be controlled by calculating, and be calculated
Formula is as follows:
MAlways=(MLiquid+MVapour)=ρMixing·sAlways·h (1)
MLiquid=ρLiquid·sLiquid·h (2)
MVapour=ρVapour·sVapour·h (3)
ρMixing=((1-x) ρLiquid+x·ρ1 vapour) (4)
Branch 1 described below is the axial liquid outlet channel of phase content control device, and branch 2 is phase content control device
Liquid outlet groove；Etc. mass dryness fractions, that is, phase content；
According to fig. 2 shown in a, in the case that (1) divides branch 1, branch 2 using central angle, it is ensured that the mass dryness fractions such as vapour-liquid,
Referred to as uniform phase content control device；
At this time according to formula (4), it is known that at this time branch 1, branch 2 hybrid density be it is equal, at this time branch 1,
The flow rate calculation formula of branch 2 is as follows:
Can be known according to formula (8), branch 1, branch 2 flow-rate ratio be exactly the ratio of area when central angle, made with this
The foundation designed for structure.
According to fig. 2 shown in b, in the case that (2) do not use central angle to divide branch 1, branch 2, it is ensured that vapour-liquid mass dryness fraction
It is matched by cutting area, branch's mass dryness fraction can be according to gas phase area cutting, referred to as non-homogeneous phase content control device；
Pass through the ρ being known that at this time that tables look-upLiquid, ρVapour, then according to the fan-shaped area formula (5) of segmentation, area formula
(6) s can be calculatedVapour, sVapour, then M is calculated according to formula (2), (3)Liquid, MVapourAnd its ratio situation of change.
Wherein, MAlwaysTotal mass flow rate；MLiquidLiquid mass flow MVapourSteam mass flow (kg/s)；sAlwaysTotal circulating face
Product；sVapourSteam circulation area；sLiquidLiquid communication area (m2)；ρAlwaysSteam fluid density；ρVapourSteam fluid density；ρLiquidLiquid
Body fluid density (kg/m3)；H-unit length m；R- pipe radius；RVapourSteam radius of circle (m)；Average mass dryness fraction when X- is mixed；X1-
The mass dryness fraction of branch 1；X2The mass dryness fraction (%) of branch 2；The degree of n- central angle；n1The degree of the central angle of branch 1；n2Branch 2
Central angle degree.
There are two types of draught control valves for the utility model, and one is throttle type draught control valves, i.e. the first draught control valve.Separately
One is critical flow nozzle formula draught control valves, wherein the second upper and lower draught control valve and third draught control valve, belong to
A kind of this control valve during Liquid Flow, uses critical flow principle in central tube, under certain differential pressure conditions, due to waiting mouth
Reach local velocity of sound at position, that is, internal diameter minimum, so that it is constant to realize that the flow for flowing through this nozzle is realized.
The axisymmetric uniform annular flow two-phase incoming flow is artificially rectified into along cyclic annular flow pattern substantially symmetrical about its central axis, i.e., along circle
The equally distributed equal thickness liquid film ring of shape wall surface and the air column core for concentrating on circular pipe center.
The third draught control valve is the resistance of the flow resistance and phase content control device for centre of equilibrium pipe,
Guarantee that the pressure difference of the gas-liquid mixture of the pressure difference of gas-liquid mixture and phase content control device in central tube flow process carries out
Impedance match, to guarantee the steady flow of central tube Yu phase content control device flow path.Third draught control valve is for putting down
The flow resistance of weighing apparatus central tube and the resistance at phase content control device, and the pressure and downstream feedback of balance upstream branch feedback
Branch's pressure.
Cushion space guarantees the phase content control device in central tube between the central tube and gas-liquid shunt outer tube
On the gas-fluid two-phase mixture of the multiple first draught control valves outflow being arranged symmetrically flow out after the mixing of laggard row buffering from two
Hold draught control valve on second be arranged symmetrically, the second lower draught control valve outflow.
The phase content control device guarantees that the flow resistance of phase content control device and the flow resistance of central tube are realized
A certain range of dynamic equilibrium ensure that gas phase two-phase flows to the kinetic energy balancing of each branch.
As shown in Figure 1, Figure 2, Figure 3 shows, the biphase gas and liquid flow come from upstream line passes through top connection 1 and the center being attached thereto
Pipe 2 is into after being equipped with the channel of gas liquid two-phase whirl blade 3, under the action of the eddy flow centrifugal force of swirl vane 3, flow pattern hair
Transformation has been given birth to, has been changed into the axisymmetric uniform annular flow 11 of the adherent distribution of liquid film by traditional asymmetric streamline pattern, and can be
Can continue to keep the flow pattern in a distance in downstream central pipe 2, thus guarantee the flow pattern flow into phase content control device 7 when according to
The flow pattern is so kept, in phase content control device, considers that liquid film is adherent, gas core is in the case where center, in uniform annular flow
In the case where, by the division for calculating design gas-liquid difference phase content.Realize the round tube collection center gas core concentric with central tube,
The fluid on liquid wall is collected in liquid outlet groove channel, forms certain phase content and flow, and uncollected part is used as and flows to downstream
Phase content and flow, the numerical value of phase content and flow, which can pass through, calculates control.It is flowed out from phase content control device
Gas-liquid two-phase fluid flows to both direction, and the axial liquid outlet channel 14 that a part continues on inner tube, which flows to downstream, to be continued point
Match, flows to the fluid in downstream by flowing to another distributor by the lower contact in downstream after third draught control valve 9, separately
A part flows to the gas-liquid two-phase fluid of the liquid outlet groove 12 of phase content control device, passes through the first resistance being mounted on central tube 2
Force control valve 6 shunts in the cushion space 13 between outer tube subsequently into central tube and gas-liquid, and passes through draught control on second
The lower draught control valve 8 of valve 5, second flows out.
Fig. 7 is flow pattern adjustment effect schematic diagram, and under the effect of gravity, the liquid phase distribution in pipeline is usually not for horizontal pipeline
Symmetrically, for stratified flow and wave flow, liquid phase is mainly flowed in bottom of the tube, and for horizontal tube annular flow, Guan Shangbi liquid film is very thin,
Lower part liquid film is thicker, and this structure asymmetry flow pattern of upstream, is all rectified and improved into thickness of liquid film circumferentially after swirl vane 3
Equally distributed annular flow, after rectifier 4, liquid film distribution is more uniform, adjusts in this way by flow pattern so that arranged downstream
The probability for the liquid phase that the inlet contact of each critical spray nozzle 5 at pipe week different location arrives is essentially equal.
Fig. 4 is the first draught control valve, by the way of orifice plate, matches drag losses.
Fig. 5 is the third draught control valve of critical flow nozzle formula, is since critical spray nozzle throat diameter is much smaller than central tube
Section diameter, the gas-liquid two-phase fluid flowed through reach local velocity of sound in critical spray nozzle throat, form critical flow, the rear part expanding section
It is streamlined for nozzle, it matches and reduces drag losses.
Fig. 6 is eddy flow shaping blade structure, the swirl vane group that, report to the leadship after accomplishing a task angle size identical by 4-8 chip architecture is 45-60 °
At being fixed in circular pipe.
Fig. 7 is flow pattern after eddy flow shaping, and swirl vane is by stratified flow, wave flow, slug flow, annular flow etc. from upstream
Flow pattern is rectified into the uniform annular flow of thickness of liquid film.
After the device passes through eddy flow shaping, two-phase fluid is organized into the annular flow of standard, is controlled at this time by phase content
A part of fluid of device 7, then by the first draught control valve and the second upper and lower draught control valve outflow, and by phase content
The control of upstream distribution number and the first draught control valve and the second upper and lower draught control valve in control device 7, realizes first
Mass dryness fraction, the assignment of traffic of branch；By another part fluid of phase content control device 7, flowed by third draught control valve 9
Out, and by the control of downstream distribution number and third draught control valve in phase content control device 7, the dry of the second branch is realized
Degree, assignment of traffic.Mass dryness fraction is also known as phase content.First branch distributes the flow of flow and the distribution of the second branch, mass dryness fraction, depends on first
It is secondary to pass through the first draught control valve and third draught control valve in the distribution number of the upstream and downstream of 7 phase content control devices
Matching could eliminate the uneven problem of flow caused by outlet back pressure, mass dryness fraction distribution.Three is an entirety, coordinates to make mutually
With.
First draught control valve, the second upper and lower draught control valve, third draught control valve, the structure type of three is more
Kind multiplicity, control pressure can be played as long as the structure of throttle style, match the purpose of flow.Only use Fig. 4 bullet
Spring structure oneself according to the variation of pressure can carry out a certain range of self-regulating function, better than common nozzle or text
Nozzle arrangements in mound.
In the description of the present invention, it should be understood that the orientation or positional relationship of instruction is based on shown in attached drawing
Orientation or positional relationship, be merely for convenience of description the utility model, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of biphase gas and liquid flow distributes control device, special including central tube and the swirl vane being mounted on inside central tube
Sign is, further includes that gas-liquid shunts outer tube, the first draught control valve, draught control valve on second, the second lower draught control valve, the
Three draught control valves, phase content control device, the phase content control device, third draught control valve are arranged in central tube
Portion, the phase content control device are located at the lower section of swirl vane, and the third draught control valve is located at phase content control device
Lower section, the gas-liquid shunts outer tube sleeve outside central tube, and forms buffering annular space between the two, which installs in the air
Draught control valve, the second lower draught control valve on second, wherein the location of draught control valve is higher than phase content control on second
The location of device processed, wherein the location of second lower draught control valve is lower than the location of phase content control device,
The central tube opens up radial hole, the first draught control valve is installed in the radial hole, the phase content control device is in axial side
To connection third draught control valve, phase content control device is connected to the buffering ring by the first draught control valve in radial direction
It is empty；There are two branch, respectively axial liquid outlet channel and liquid outlet groove, liquid outlet groove bottom blocks to be had the phase content control device tool
Bottom plate, liquid outlet groove are connected to the first draught control valve in centrally disposed pipe radial hole.
2. a kind of biphase gas and liquid flow according to claim 1 distributes control device, which is characterized in that the first resistance control
Valve processed is throttle type AND DEWATERING FOR ORIFICE STRUCTURE.
3. a kind of biphase gas and liquid flow according to claim 1 or 2 distributes control device, which is characterized in that on described second
Draught control valve includes an annular plate, and what is opened up on the annular plate descends on draught control valve and second to nozzle bore, described second
Draught control valve arrangement is identical.
4. a kind of biphase gas and liquid flow according to claim 1 or 2 distributes control device, which is characterized in that the third resistance
Force control valve is that generally tubular structure, the third draught control valve insertion structure of tubular structure are from axial ends mouth to middle part
Internal diameter is less than third draught control valve two-port internal diameter in the middle part of gradually undergauge, i.e. third draught control valve insertion.
5. a kind of biphase gas and liquid flow according to claim 1 or 2 distributes control device, which is characterized in that the eddy flow
Blade is made of the identical swirl vane of at least four chip architectures according to different angles, and swirl vane is half elliptic, eddy flow leaf
Piece outer rim is overlapped with inside pipe wall, and swirl vane height is less than 0.5-0.7 times of central tube entrance diameter, and swirl vane is without in
Mandrel is fixed in central tube.
6. a kind of biphase gas and liquid flow according to claim 1 or 2 distributes control device, which is characterized in that the central tube
Upper end connects top connection, and lower end connects lower contact.
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| CN2018101544646 | 2018-02-22 | ||
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| CN201820913476.8U Active CN208611854U (en) | 2018-02-22 | 2018-06-13 | A kind of biphase gas and liquid flow distribution control device |
| CN201810610625.8A Active CN110180220B (en) | 2018-02-22 | 2018-06-13 | Gas-liquid two-phase flow distribution control device and method |
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| CN201810610625.8A Active CN110180220B (en) | 2018-02-22 | 2018-06-13 | Gas-liquid two-phase flow distribution control device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180220A (en) * | 2018-02-22 | 2019-08-30 | 中国石油化工股份有限公司 | Biphase gas and liquid flow distributes control device and method |
| CN113617067A (en) * | 2021-08-26 | 2021-11-09 | 上海交通大学 | Propellant liquid acquisition device with pressure and flow cooperatively regulated |
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| CN114441241A (en) * | 2020-10-30 | 2022-05-06 | 中国石油化工股份有限公司 | Equal kinetic energy sampling device and method for oil well produced liquid |
| CN112377710A (en) * | 2020-11-05 | 2021-02-19 | 长江大学 | Device for converting intermittent slug flow into continuous annular flow |
| US20240050882A1 (en) * | 2020-12-28 | 2024-02-15 | Usui Co., Ltd. | Gas-liquid separator |
| JP2022104200A (en) * | 2020-12-28 | 2022-07-08 | 臼井国際産業株式会社 | Gas-liquid separator |
| CN112781405B (en) * | 2021-01-25 | 2023-03-24 | 四川空分设备(集团)有限责任公司 | High-efficient compact heat exchanger of multichannel formula |
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| GB9727078D0 (en) * | 1997-12-23 | 1998-02-18 | Univ Sheffield | Fluidic level control systems |
| CA2758050C (en) * | 2009-04-07 | 2017-11-21 | Twister B.V. | Separation system comprising a swirl valve |
| CN101839395B (en) * | 2009-10-27 | 2012-10-24 | 梁法春 | Gas-liquid two-phase flow uniform distribution device |
| CN104075766B (en) * | 2014-06-19 | 2017-03-29 | 西安交通大学 | The high void fraction gas-liquid two-phase fluid flow measurement device of phase cellular-type and method in pipe |
| CN105181384B (en) * | 2015-10-16 | 2016-08-17 | 中国石油大学(华东) | A kind of biphase gas and liquid flow proportional sampler |
| US9932991B2 (en) * | 2016-04-04 | 2018-04-03 | Ford Global Technologies, Llc | Active swirl device for turbocharger compressor |
| CN107626119A (en) * | 2016-07-18 | 2018-01-26 | 中国石油化工股份有限公司 | Mass dryness fraction distributor and the methods such as the coaxial two phase flow of spiral-flow type gas-liquid |
| CN107349690A (en) * | 2017-07-18 | 2017-11-17 | 中国石油化工股份有限公司 | A kind of gas-liquid separator of axial-flow type flow deflector type |
| CN208611854U (en) * | 2018-02-22 | 2019-03-19 | 中国石油化工股份有限公司 | A kind of biphase gas and liquid flow distribution control device |
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2018
- 2018-06-13 CN CN201820913476.8U patent/CN208611854U/en active Active
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180220A (en) * | 2018-02-22 | 2019-08-30 | 中国石油化工股份有限公司 | Biphase gas and liquid flow distributes control device and method |
| CN110180220B (en) * | 2018-02-22 | 2024-02-02 | 中国石油化工股份有限公司 | Gas-liquid two-phase flow distribution control device and method |
| CN113617067A (en) * | 2021-08-26 | 2021-11-09 | 上海交通大学 | Propellant liquid acquisition device with pressure and flow cooperatively regulated |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110180220A (en) | 2019-08-30 |
| CN110180220B (en) | 2024-02-02 |
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