CN108786513A - A kind of salt water tank mixing arrangement - Google Patents
A kind of salt water tank mixing arrangement Download PDFInfo
- Publication number
- CN108786513A CN108786513A CN201810632311.8A CN201810632311A CN108786513A CN 108786513 A CN108786513 A CN 108786513A CN 201810632311 A CN201810632311 A CN 201810632311A CN 108786513 A CN108786513 A CN 108786513A
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- Prior art keywords
- water tank
- salt water
- distribution circuit
- nozzle
- brine
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 150000003839 salts Chemical class 0.000 title claims abstract description 172
- 239000012267 brine Substances 0.000 claims abstract description 98
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 98
- 238000012546 transfer Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 31
- 239000007921 spray Substances 0.000 description 16
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000002411 adverse Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 241000521257 Hydrops Species 0.000 description 3
- 206010030113 Oedema Diseases 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007363 ring formation reaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/70—Spray-mixers, e.g. for mixing intersecting sheets of material
- B01F25/72—Spray-mixers, e.g. for mixing intersecting sheets of material with nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
Abstract
The present invention provides a kind of salt water tank mixing arrangement, including salt water tank, into cabin pipeline, go out cabin pipeline and circulating pump;Salt water tank include entrance hatch, egress hatch and and distribution circuit, distribution circuit circumferentially, is connected with entrance hatch into cabin pipeline along salt water tank internal face, goes out cabin pipeline and be connected with egress hatch, transfer pipeline is used to export the brine in salt water tank, and distribution circuit is connected with entrance hatch;Distribution circuit is equipped with multiple nozzles, and the jet direction of nozzle is β, 10 °≤β≤60 °, the jet flow ejected by each nozzle is made to form vortex mixing circuit in salt water tank.The present invention drives brine to generate the vortex effect of impulsing with bulkhead collision by flexibly laying multilayer distribution circuit and nozzle, to form vortex mixing circuit, realizes that brine is sufficiently mixed up and down, in the spatial dimension of left and right inside salt water tank.
Description
Technical field
The present invention relates to oil-drilling field, more particularly to a kind of salt water tank mixing arrangement.
Background technology
In drilling operation course, drilling platforms stores brine and provide certain density brine by brine cabin device to be used for
Allotment well cementation mud (i.e. drilling fluid), to assist drilling platforms to complete oil well completion work.Since brine is crystalloid solution, when long
Between stood in cabin, easily form a large amount of sediment in bilge portion, cause brine ratio reduce or it is uneven.In the prior art
It is typically employed in salt water tank and blender is installed, stand the brine in cabin to long-time mixes before use, but for boring
The cabin that volume is larger in the fields such as well platform or shape is more complex, blender is in the indoor application in cabin by volume of compartment, shape
The limitation of shape, to the bottom or corner in cabin, the effect of blender mixing is limited, it is difficult to ensure that full cabin brine uniformly mixes,
In the case of brine ratio reduces or is uneven, this will necessarily be to the construction speed of completion practice and the well cementation safety of oil well
Have an adverse effect.
Invention content
For above-mentioned technical problem, the embodiment of the present invention provides the salt of a kind of easy for installation, flexible arrangement, good mixing effect
Water tank mixing arrangement.
In order to reach the purpose of the present invention, salt water tank mixing arrangement provided by the invention includes salt water tank and circulation line,
The circulation line includes into cabin pipeline, goes out cabin pipeline, transfer pipeline and circulating pump;
Entrance hatch, egress hatch and distribution circuit are provided in the salt water tank, the distribution circuit is along the salt water tank
Internal face is circumferentially, described to be connected into cabin pipeline with the entrance hatch, it is described go out cabin pipeline be connected with the egress hatch, it is described
Transfer pipeline is used to export the brine in the salt water tank, and the distribution circuit is connected with the entrance hatch;
The distribution circuit is equipped with multiple nozzles, the axis of the jet direction and the distribution circuit of each nozzle
Direction 10 °≤β≤60 °, makes the jet flow ejected by each nozzle form vortex in the salt water tank mixed at jet angle β
Cyclization road.
In above-mentioned salt water tank mixing arrangement, the circulating pump is connected into cabin pipeline with the entrance hatch by described,
The circulating pump goes out cabin pipeline described in and is connected with the egress hatch;When salt water tank mixing arrangement works, start circulating pump,
Mixed salt water will be waited for via into cabin Pipeline transport to entrance hatch, vortex mixing component will wait for that mixed salt moisture is assigned to salt water tank inner circumferential cloth
It in the distribution circuit set, and is sprayed via each nozzle in distribution circuit, the jet flow spiral ejected by each nozzle is made to connect,
The vortex mixing circuit rotated along clockwise or inverse gesture needle direction around salt water tank internal face is formed in salt water tank (in inversed taper platform
Water curtain shape), and then drive brine to collide generation local eddy currents with bulkhead and impulse, promote the vortex between particles of solute in brine
Diffusion makes solute molecule in brine refine abundant, dissolving completely;Meanwhile the brine of brine cabin bottom is vortexed in mixing
The top that salt water tank can be moved under the differential pressure action of generation achievees the purpose that be uniformly mixed on a large scale in realization salt water tank,
To solve the problems, such as that brine ratio reduces or uneven completion practice and oil security risk caused to increase.Through salt water tank whirlpool
Stream mixing after, uniformly mixed brine via go out cabin pipeline, transfer pipeline be conveyed to user use.
In compared with the prior art in such a way that blender carries out brine mixing, nozzle in the salt water tank mixing arrangement
Arrangement and installation number can be designed according to practical brine volume of compartment product, flexible shapes, make the jet flow shape ejected by each nozzle
At the vortex mixing circuit in inversed taper platform water curtain shape rotated along clockwise or inverse gesture needle direction around salt water tank internal face.
When β is more than 60 °, it is meant that the distance of interior sidewall surface of the jet flow of nozzle apart from salt water tank is excessive, makes the stream of annular mixing vortex
Dynamic region area is excessively concentrated, then the race way of the lower vortex mixing circuit formed of rotating vortex effect is limited, mixing vortex
The bottom of salt water tank and each corner location can not be spread, it is difficult to realize that brine circulates on a large scale in salt water tank, therefore
It can not ensure that full cabin brine uniformly mixes.And when β is less than 10 °, i.e. jet angle is too small, and the jet flow of nozzle is unable to reach salt water tank
Central area, and then salt water tank central area formed larger area range without vortex dead zone, it is difficult to drive whole cabin
Saline flow causes mixed effect bad to form the vortex mixing circuit of inversed taper platform water curtain shape.
Optionally, in the distribution circuit further include multiple diversion pipes, each diversion pipe is equipped with one or more
The nozzle.
It is uniformly distributed in distribution circuit to have multiple diversion pipes along same direction of rotation tilt distribution, pacify on each diversion pipe
Equipped with one or more nozzles, the brine into distribution circuit is made to evenly distribute to each diversion pipe and be sprayed from its corresponding nozzle
Go out, forms the mixing vortex to connect along same direction of rotation spiral, and then it is in inversed taper platform water curtain shape to be formed inside salt water tank
Vortex mixing circuit.By rationally designing the injection angular dimensions of diversion pipe spout axis direction and nozzle, make to eject
Brine spray angle be β, 10 °≤β≤60 °.When needing to adjust brine spray angle β, even if nozzle injection angular dimensions is certain,
Also it is β that final brine spray angle can be flexibly controlled by adjusting the axis direction of diversion pipe nozzle, mixed to meet salt water tank
It attaches together the actual techniques requirement set and not only increases the scope of application of nozzle in this way, together without replacing the nozzle assembled
When also eliminate the trouble for dismounting nozzle again, avoid frequently dismounting the nozzle adverse effect of bringing sealed nozzle reliability.
Optionally, the quantity of the distribution circuit is set as multiple, and multiple distribution circuit are in parallel, and is located at each described
The jet angle β of each nozzle in distribution circuit is equal or different.
It, can be in salt water tank space via each nozzle in multiple distribution circuit being in parallel while the salt jet water stream that ejects
The vortex mixing circuit in inversed taper platform water curtain shape of multi-layer rotating is formed in range.By controlling the injection in each distribution circuit
Angle beta is equal or different, so that the direction of rotation of each vortex mixing circuit in inversed taper platform water curtain shape is may be the same or different, together
When vortex mixing circuit coverage area may be the same or different.Specifically, when the jet angle β of each distribution circuit top nozzle is set as phase
Whens equal, the inversed taper platform water curtain of multigroup vortex mixing circuit is overlapped mutually in an axial direction, realizes the upper and lower spatial dimension inside salt water tank
Interior brine mixing is abundant;When the jet angle β of each distribution circuit top nozzle is set as different, the back taper of multigroup vortex mixing circuit
Platform water curtain is radially overlapped mutually, and realizes that brine mixing is abundant in the left and right spatial dimension inside salt water tank.In different rotary side
It is overlapped mutually, under compensating action between multigroup vortex mixing circuit of different coverage areas, entire scope inside salt water tank
The circulation power enhancing of interior mixing vortex, and the local eddy currents that generation is collided between the brine and bulkhead effect of impulsing enhances, and compares
In the situation of single vortex mixing circuit, multigroup vortex mixing circuit is more advantageous to upper and lower, the left and right sky realized inside salt water tank
Between in range brine be sufficiently mixed, keep brine mixing efficiency higher, mixed effect more preferable.
Optionally, the nozzle in each distribution circuit is sequentially connected surrounded area equation or difference.It should
Structure design makes to spray the vortex mixing circuit to be formed via the nozzle in each distribution circuit with different area coverage ranges
And/or distinct coverage region, to ensure that mixing vortex takes into account the position being not achieved each other, the mixing effectively eliminated in salt water tank is dead
Angle.
Optionally, multiple distribution circuit include the first distribution circuit and the second distribution circuit, second distribution pipe
Road is sequentially connected by each nozzle in first distribution circuit and is enclosed between first distribution circuit and the egress hatch
At the first eddy region, it is sequentially connected by each nozzle in second distribution circuit and surrounds second eddy current region, described first
The centerline collineation of the center line of eddy region area defined and the two the first eddy region area defined, and
The area equation that the area that first eddy region is surrounded is surrounded with the second eddy current region.
Using the design scheme, keep the jet flow of the corresponding nozzle in the first, second distribution circuit different inside salt water tank
Height and position forms the first, second vortex mixing circuit, that is, is in two layers of inversed taper platform being mutually parallel axially being distributed along salt water tank
Water curtain, and then drive the brine inside salt water tank in upper and lower spatial dimension to carry out vortex mixing respectively and mix, to ensure to mix whirlpool
The effective range of stream region at the top and bottom of salt water tank, is pushed up when using blender to mix to solve in salt water tank
The problem of portion and bottom section brine undercompounding.
Optionally, the distribution circuit takes the shape of the letter U arrangement along the internal face of the salt water tank.
Distribution circuit take the shape of the letter U arrangement when, be conducive to the structure for simplifying distribution circuit and reduce distribution circuit top nozzle (or to lead
Flow tube and nozzle) quantity, and then reduce infrastructure cost.
Optionally, the nozzle is stainless steel spiral nozzle.
Using stainless steel spiral nozzle, corrosion resistance of the nozzle in brine is on the one hand improved, ensures the work of nozzle
Make reliability, on the other hand keeps brine first to eject local helical vortex by the spiral spray characteristic of each nozzle itself
The small range first generated in local helical vortex is vortexed the effect of impulsing, and then along a wide range of vortex mixing circuit and salt water tank inner wall
Face, which generates, collides the effect that impulses, and keeps brine mixing efficiency higher, mixed effect more preferable.
Optionally, the quantity of the nozzle in each distribution circuit is set as 4 to 10.
The quantity of distribution circuit top nozzle (or diversion pipe and nozzle) need according to effective range of jet size of nozzle and
The volume of salt water tank determines, in the embodiment of the present invention, according to salt water tank practical situations, and the nozzle in each distribution circuit
Quantity may be configured as 4 to 10.
Specifically, for the smaller space in part inside salt water tank, it can be along the four of salt sump inner wall in each distribution circuit
A basic orientation (referring to the opposite four corners of the world direction with salt sump inner space) is uniformly arranged 4 nozzles, makes to be sprayed by each nozzle
The jet flow of injection can spiral connect to forming spiral vortex, to realize the vortex mixing of brine in the local space region;For
The brine cabin of large volume, by increasing the nozzle quantity in each distribution circuit, to ensure the spray ejected through each nozzle
Stream is enough to make to be formed the vortex mixing circuit in entire scope, so that it is guaranteed that the mixing of whole cabin brine is abundant.But nozzle quantity is not yet
It is preferably excessive, especially in the case of multigroup distribution circuit is set, avoid spray liquid flow excessively it is intensive cause to interfere each other draw
The case where vortex mixing effect reduces is played, the waste of nozzle assembly is also avoided.
Optionally, the salt water tank mixing arrangement further includes:Return line is provided with liquid collection opening on the return line,
One end of the return line is connected to by the liquid collection opening with the salt water tank, the other end of the return line with it is described go out
Cabin piping connection.
Optionally, there are one the liquid collection openings or multiple, the liquid collection opening is arranged along the axially spaced-apart of the return line.
In use, the brine in salt water tank can be flowed back by liquid collection opening, (or suction reflux) extremely flows back salt water tank mixing arrangement
Pipeline is delivered to out cabin pipeline via return line, not only contributes to the delivery efficiency for improving mixed rear brine in this way, and be convenient for
Remaining brine hydrops in discharge salt water tank in time avoids the accumulation of raffinate in salt water tank to the mixing of next round brine or salt water tank
Service life adversely affects.
Optionally, the salt water tank mixing arrangement further includes filter, the filter be located at it is described go out cabin pipeline or
On the transfer pipeline.
Filter is set on going out cabin pipeline or transfer pipeline, the impurity particle in mixed rear brine can be removed, it is ensured that warp
Salt water tank it is mixed go out cabin brine it is uniformly pure, meanwhile, avoid in brine impurity particle from blocking circulating pump.
The present invention having the beneficial effect that compared with the prior art:
1, by uniformly distributed several distribution circuit and nozzle, brine is driven to be touched with bulkhead to form vortex mixing circuit
It hits, be vortexed and impulse, realize inside salt water tank up and down, brine is sufficiently mixed in the spatial dimension of left and right, promote brine mixed effect;
2, it by using spiral nozzle, realizes that local small range spiral vortex impulses, improves brine mixed effect;
3, the arrangement and installation number of diversion pipe and nozzle can be designed according to practical brine volume of compartment product, flexible shapes,
And use process is easy for installation, energy consumption is low, service life is long, good mixing effect.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by specification, rights
Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is the overlooking structure diagram according to the salt water tank mixing arrangement of one embodiment of the invention;
Fig. 2 is the main structure diagram of Fig. 1;
Fig. 3 is the main structure diagram according to the salt water tank mixing arrangement of another embodiment of the present invention;
Fig. 4 is the salt water tank overlooking structure diagram in Fig. 3.
Wherein, the relationship in Fig. 1-Fig. 4 between reference numeral and component names is:
1 circulating pump, 2 into cabin pipeline, and 3 into cabin valve, 4 salt water tanks, 5 entrance hatch, 6 egress hatch, 7 distribution circuit, and 701 first
Distribution circuit, 702 second distribution circuit, 8 diversion pipes, 9 nozzles, 10 go out cabin pipeline, and 11 go out cabin valve, 12 filters, 13 conveyings
Pipeline, 14 conveying valves, 15 permeability cells.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
Present disclosure will be discussed in detail by specific embodiment below.
Wherein Fig. 1 is the overlooking structure diagram according to the salt water tank mixing arrangement of the embodiment of the present invention one;Fig. 2 is figure
1 main structure diagram;Fig. 3 is the main structure diagram according to the salt water tank mixing arrangement of the embodiment of the present invention two;
Fig. 4 is 4 overlooking structure diagram of salt water tank in Fig. 3.Content shown in Fig. 3 and Fig. 4 is equally applicable to the explanation of embodiment one.
Embodiment one
From figure 1 it appears that salt water tank mixing arrangement includes circulating pump 1, salt water tank 4 and circulation line, circulation line
Including into cabin pipeline 2, go out cabin pipeline 10, transfer pipeline 13;Salt water tank 4 includes entrance hatch 5, egress hatch 6 and distribution circuit 7.It follows
Ring pump 1 into cabin pipeline 2 with entrance hatch 5 by being connected, and circulating pump 1 is connected by going out cabin pipeline 10 with egress hatch 6, delivery pipe
Road 13 is used to export the brine in salt water tank 4, transfer pipeline 13 and into being respectively equipped with switch valve on cabin pipeline 2.Distribution circuit 7
Along salt water tank 4 internal face circumferentially, distribution circuit 7 is connected with entrance hatch 5, distribution circuit 7 be equipped with multiple nozzles 9
(only schematical sections in attached drawing), the jet direction of each nozzle 9 form jet angle β (in attached drawing with the axis direction of distribution circuit 7
Only schematical sections), 10 °≤β≤60 °, the jet flow ejected by each nozzle 9 is made to form vortex mixing circuit in salt water tank 4.
In the present embodiment, when salt water tank mixing arrangement works, starts circulating pump, mixed salt water will be waited for via defeated into cabin pipeline 2
It sending to entrance hatch 5, vortex mixing component will wait for that mixed salt moisture is assigned in the distribution circuit 7 of 4 inner circumferential of salt water tank arrangement, and via
Each nozzle 9 in distribution circuit 7 sprays, and the jet flow spiral ejected by each nozzle 9 is made to connect, and is formed and is surrounded in salt water tank 4
The vortex mixing circuit (being in inversed taper platform water curtain shape) of 4 internal face of salt water tank rotated along clockwise or inverse gesture needle direction, in turn
It drives brine to collide generation local eddy currents with bulkhead to impulse, promotes the eddy diffusivity effect between particles of solute in brine, make salt
Solute molecule refinement is abundant in water, it is complete to dissolve;Meanwhile the pressure difference that the brine of 4 Room bottom of salt water tank is generated in mixing vortex is made
With the lower top that can move to salt water tank 4, achieve the purpose that be uniformly mixed on a large scale in realization salt water tank 4, to solve
Brine ratio reduces or uneven the problem of causing completion practice and oil security risk to increase.It is complete through 4 vortex mixing of salt water tank
Bi Hou opens the switch valve on transfer pipeline 13, closes into the switch valve on cabin pipeline 2, uniformly mixed brine is by going out cabin
Pipeline 10, transfer pipeline 13 are conveyed to user's use.
In compared with the prior art in such a way that blender carries out brine mixing, nozzle 9 in the salt water tank mixing arrangement
Arrangement and installation number can according to practical 4 volume of salt water tank, flexible shapes design, make the spray ejected by each nozzle 9
Stream forms the vortex mixing in inversed taper platform water curtain shape rotated clockwise or counterclockwise around 4 internal face of salt water tank
Circuit.When β is more than 60 °, it is meant that the distance of interior sidewall surface of the jet flow of nozzle 9 apart from salt water tank 4 is excessive, makes annular mixing whirlpool
The flow region area of stream is excessively concentrated, then the race way of the lower vortex mixing circuit formed of rotating vortex effect is limited, mixes
The bottom of salt water tank 4 and each corner location can not be spread by closing vortex, it is difficult to realize brine a wide range of recycle stream in salt water tank 4
It is dynamic, therefore can not ensure that full cabin brine uniformly mixes.And when β is less than 10 °, i.e. jet angle is too small, and the jet flow of nozzle 9 can not reach
It is difficult to the central area of salt water tank 4, and then in 4 central area of salt water tank formation larger area range without vortex dead zone
To drive whole cabin saline flow to form the vortex mixing circuit of inversed taper platform water curtain shape, and then cause mixed effect bad.
In the present embodiment, the salt water tank mixing arrangement further includes return line (not shown), and return line can be with
Along the peripheral portion setting or all settings of salt water tank 4, one or more liquid collection openings are provided on return line, return line
One end is connected to by the liquid collection opening with salt water tank, the other end of return line and goes out cabin piping connection.Multiple liquid collection openings edges are returned
The axial direction on flow tube road can be uniformly distributed or it is heterogeneous be spaced apart, which can directly be opened in going out on the wall of pipeline
Fluid apertures can also use the forms such as the liquid trap being mounted on pipeline, can also be the collection being directly opened on salt water tank inner wall
Liquid mouth is not necessarily to that return line is arranged at this time.Salt water tank mixing arrangement is in use, the brine in salt water tank can be returned by the liquid collection opening
Stream (or suction reflux) is delivered to out cabin pipeline 10 to return line via return line, not only contribute to improve in this way it is mixed after
The delivery efficiency of brine, and convenient for remaining brine hydrops in discharge salt water tank in time, avoid raffinate accumulation pair in salt water tank
Next round brine mixes or the service life of salt water tank adversely affects.
It should be noted that in the present embodiment, it is equipped with permeability cell 15 close to the position of roof in salt water tank 4, in order to salt
Discharge accumulation gas, maintains air pressure balance in salt water tank 4 in water tank 4, prevents air pressure in salt water tank 4 excessively high to vortex mixing effect
Have an adverse effect.Entrance hatch 5 can be arranged in the top of egress hatch 6, can also be arranged in the lower section of egress hatch 6, entrance hatch 5
It can be arranged in the top of salt water tank 4 or lower part any position, egress hatch 6 can also be arranged on the top or lower part of salt water tank 4
Any position, return line, which can also be arranged, does not limit this in the bottom of salt water tank 4 or any other position, the present embodiment
System.When entrance hatch 5 is located at the top of egress hatch 6, is conducive to reduce saline flow resistance in this way, reduces and lost along stroke pressure,
Improve the reliability that nozzle 9 sprays the jet direction of liquid, it is ensured that good mixed effect.When return line is arranged in salt water tank
When 4 bottom, the liquid collection opening for being conducive to flow into lower part during brine flows from above to below, or can will be residual efficiently to export
The brine hydrops discharge for staying in brine bilge portion drains.
Further, further include multiple diversion pipes 8 (only schematical sections in attached drawing) in distribution circuit 7, on each diversion pipe 8
Equipped with one or more nozzles 9.
In the present embodiment, as shown in Fig. 2, uniformly distributed in distribution circuit 7 have along same direction of rotation tilt distribution
Multiple diversion pipes 8, on each diversion pipe 8 installation make into distribution circuit 7 there are one nozzle 9 (can also be equipped with multiple nozzles 9)
Brine evenly distribute to each diversion pipe 8 and ejected from the nozzle of its nozzle end 9, formed along same direction of rotation spiral
The mixing vortex to connect, and then formation is in the vortex mixing circuit of inversed taper platform water curtain shape inside salt water tank 4.By properly setting
The injection angular dimensions for counting 8 spout axis direction of diversion pipe and nozzle 9 makes the brine spray angle ejected for β, 10 °≤β≤
60°.When needing to adjust brine spray angle β, even if the injection of nozzle 9 angular dimensions can be by adjusting 8 nozzle of diversion pipe if certain
Axis direction flexibly control final brine spray angle be β, with meet salt water tank mixing arrangement actual techniques requirement, and
Without the nozzle 9 assembled is needed to change, the scope of application of nozzle 9 is not only increased in this way, while also eliminating dismounting spray again
The trouble of mouth 9 avoids frequently dismounting the adverse effect that nozzle 9 brings 9 sealing reliability of nozzle.
In the present embodiment, as shown in Fig. 2, diversion pipe 8 include the vertical section perpendicular with the axis direction of distribution circuit 7 and
The tilting section of fixed jet angle β is formed with axis direction, nozzle 9 is detachably connected on the end of tilting section, diversion pipe 8 and nozzle
9 junction is equipped with the leakproofness that sealing structure improves nozzle 9, and the injection pressure to ensure brine is accurate.Distribution circuit 7 will be into
Cabin brine is assigned in each diversion pipe 8, and the vortex ring mixing to be formed around vortex mixing cabin internal face is ejected through each nozzle 9
Circuit.
It can be integrally formed, can also be connected by the way of assembling between tilting section and vertical section, it is different by selecting
Tilting section and vertical section length and size, can adjust installation site, range of jet and the injection of diversion pipe 8 top nozzle 9
Angle beta.Round-corner transition is used between tilting section and vertical section, reduces saline flow resistance, and then is reduced brine and flowed in diversion pipe 8
The linear loss of dynamic pressure improves the reliability of 9 jet speed of nozzle, to ensure vortex mixing function and effect.
Further, the quantity of distribution circuit 7 is set as multiple, as shown in figure 3, multiple distribution circuit 7 are in parallel, is located at
The jet angle β of each nozzle 9 in each distribution circuit 7 is equal or different.It is easily understood that the quantity of distribution circuit 7 can root
It is selected according to the practical mixing demand of salt water tank 4.Multiple distribution circuit 7 can be connected by a main distribution circuit, the main distribution circuit
It is connect with entrance hatch 5, multiple outlets is opened up in main distribution circuit and are connected respectively with each distribution circuit, the main distribution circuit
It may be provided in salt water tank 4 or outside salt water tank 4.
It, can be in salt water tank 4 via each nozzle 9 in multiple distribution circuit 7 being in parallel while the salt jet water stream that ejects
The vortex mixing circuit in inversed taper platform water curtain shape of multi-layer rotating is formed in spatial dimension.By controlling in each distribution circuit 7
Jet angle β it is equal or different, make each vortex mixing circuit in inversed taper platform water curtain shape direction of rotation can it is identical or
Difference, while vortex mixing circuit coverage area may be the same or different.Specifically, when the jet angle of 7 top nozzle 9 of each distribution circuit
When β is set as equal, the inversed taper platform water curtain of multigroup vortex mixing circuit is overlapped mutually in an axial direction, realize inside salt water tank 4 it is upper,
Brine mixing is abundant within the scope of down space;When the jet angle β of 7 top nozzle 9 of each distribution circuit is set as different, multigroup vortex is mixed
The inversed taper platform water curtain in cyclization road is radially overlapped mutually, and realizes that brine mixing is filled in the left and right spatial dimension inside salt water tank 4
Point.It is overlapped mutually, under compensating action between different rotary direction and multigroup vortex mixing circuit of different coverage areas, brine
The circulation power enhancing of mixing vortex in 4 inside entire scope of cabin, and the local eddy currents that generation is collided between brine and bulkhead swash
Shake effect enhancing, compared to the situation of single vortex mixing circuit, multigroup vortex mixing circuit, which is more advantageous to, to be realized in salt water tank 4
Portion brine is sufficiently mixed up and down, in the spatial dimension of left and right, keep brine mixing efficiency higher, mixed effect more preferable.
Further, the nozzle 9 in each distribution circuit 7 is sequentially connected surrounded area equation or not
Together.The structure design makes the vortex mixing circuit formed via the injection of nozzle 9 in each distribution circuit 7 have different covering surfaces
Product range and/or distinct coverage region are effectively eliminated with ensuring that mixing vortex takes into account the position being not achieved each other in salt water tank 4
Mixing dead angle.
In the present embodiment, as shown in Figure 3 and Figure 4, multiple distribution circuit 7 include the first distribution circuit 701 and the
Two distribution circuit 702, second distribution circuit 702 is between first distribution circuit 701 and the egress hatch 6, and
One distribution circuit 701, the second distribution circuit 702 are connected by a main distribution circuit, which connect with entrance hatch 5,
Main distribution circuit is equipped with two and exports and be connected respectively with the first distribution circuit 701, the second distribution circuit 702.By described
Each nozzle 9 in one distribution circuit 701, which is sequentially connected, surrounds the first eddy region, by each in second distribution circuit 702
Nozzle 9, which is sequentially connected, surrounds second eddy current region, the center line of the first eddy region area defined and described second
The centerline collineation of first eddy region area defined, and the area and described second that first eddy region is surrounded
The area equation that eddy region is surrounded.
Using the design scheme, the first distribution circuit 701, the jet flow of corresponding nozzle 9 in the second distribution circuit 702 is made to exist
4 inside different height position of salt water tank forms the first, second vortex mixing circuit, that is, is in two layers be axially distributed along salt water tank 4
The inversed taper platform water curtain being mutually parallel, and then the brine in the upper and lower spatial dimension in 4 inside of salt water tank is driven to carry out vortex mixing respectively
It mixes, to ensure that the effective range of mixing vortex spreads 4 top and bottom region of salt water tank, to solve using stirring
4 inner top of salt water tank and the problem of bottom section brine undercompounding when device mixes.
In the present embodiment, as shown in Figure 1 and Figure 4, distribution circuit 7 takes the shape of the letter U arrangement along the internal face of the salt water tank.?
Meet 4 inside of salt water tank to be formed in the case of the requirement of vortex ring mixing circuit, distribution circuit 7 is set as U-shaped, is conducive to letter
Change distribution circuit 7 and the number of structures of 7 top nozzle 9 (or diversion pipe 8 and nozzle 9) of distribution circuit, and then reduces infrastructure cost.When
So, distribution circuit 7 can also take the shape of the letter U along the internal face of salt water tank or C-shaped or be circular layout.
Jet flow in order to further increase nozzle 9 mixes effect, and nozzle 9 is stainless steel spiral nozzle 9.
Using stainless steel spiral nozzle 9, corrosion resistance of the nozzle 9 in brine is on the one hand improved, ensures nozzle 9
On the other hand functional reliability makes brine by the spiral spray characteristic of each nozzle 9 itself to eject local helical vortex
The small range generated first in local helical vortex is vortexed the effect of impulsing, and then with a wide range of vortex mixing circuit and salt water tank 4
Internal face, which generates, collides the effect that impulses, and keeps brine mixing efficiency higher, mixed effect more preferable.
Further, the quantity of the nozzle 9 in each distribution circuit 7 is set as 4 to 10.
The quantity of 7 top nozzle 9 (or diversion pipe 8 and nozzle 9) of distribution circuit needs big according to effective range of jet of nozzle 9
The volume of small and salt water tank 4 determines, in the embodiment of the present invention, according to 4 practical situations of salt water tank, each distribution circuit 7
On the quantity of nozzle 9 may be configured as 4 to 10
Specifically, for the 4 smaller space in inside part of salt water tank, it can be along salt sump inner wall four in each distribution circuit 7
A basic orientation is uniformly arranged 4 nozzles 9, so that the jet flow spiral ejected by each nozzle 9 is connected and forms spiral vortex, with
Realize the vortex mixing of brine in the local space region;Can also only it be arranged for the smaller corner space in part in salt water tank
1,2 or 3 etc., it can play the role of promoting the saline flow mixing in local corner space;For larger appearance
Long-pending brine cabin, by increasing by 9 quantity of nozzle in each distribution circuit 7, to ensure the jet flow ejected through each nozzle 9 foot
So as to be formed subject to the vortex mixing circuit in entire scope, so that it is guaranteed that whole cabin brine is sufficiently mixed.But 9 quantity of nozzle is not yet
It is easily excessive, especially in the case of multigroup distribution circuit 7 are set, avoid spray liquid flow excessively it is intensive cause to interfere each other draw
The case where vortex mixing effect reduces is played, the waste of 9 component of nozzle is also avoided.
Further, salt water tank mixing arrangement further includes filter 12, and filter 12 is located at cabin pipeline 10 or conveying
On pipeline 13.
Filter 12 is set on going out cabin pipeline 10 or transfer pipeline 13, the impurity particle in mixed rear brine can be removed,
Ensure through salt water tank 4 it is mixed go out cabin brine it is uniformly pure, meanwhile, avoid in brine impurity particle from blocking circulating pump 1.
Embodiment two
It is further elaborated with reference to a specific embodiment.As shown in Figure 3 and Figure 4, in the embodiment, salt
The volume of water tank 4 is 600m3, length is respectively 10m, 10m, 6m, the brine conveying cycle of the salt water tank mixing arrangement
Pump type selecting is 125m3/ h selects stainless steel spiral nozzle 9, and each pipeline is all made of stainless steel pipeline.According to the brine hybrid system
Discharge pressure range, each pipeline size, the volume of salt water tank 4 and the shape of middle circulating pump 1, design scheme is after calculating:Brine
4 inside two groups of distribution circuit 7 setting up and down of cabin, about 0.5 meter from the bilge of the first distribution circuit 701, the second distribution circuit 702 is from cabin
The number of about 3 meters of bottom, uniformly distributed diversion pipe 8 and nozzle 9 along clockwise direction in each distribution circuit 7, diversion pipe 8 and nozzle 9
Amount is 7, and the angle of the jet flow ejected via each nozzle 9 is β, and β is 45 °.
The operating procedure when present invention works is as follows:
1) it opens into the switch valve on cabin pipeline 2, closes the switch valve on transfer pipeline 13;
2) start circulating pump, wait for that mixed salt water is sprayed by being arranged in the spiral nozzle 9 in salt water tank 4 everywhere, in salt water tank 4
Wait for that mixed salt water is mixed;
3) it when waiting for mixed salt water after mixing, closes into the switch valve on cabin pipeline 2, opens the switch on transfer pipeline 13
Uniformly mixed brine is conveyed to brine user through transfer pipeline 13 by circulating pump 1 and used by valve.
In the description of the embodiment of the present invention, it is to be understood that term "upper", "lower", "front", "rear", "inner",
The orientation or positional relationship of the instructions such as "outside", " end face ", " internal face ", " circumferential direction ", " side ", " first ", " second " be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply institute
The structure of finger has specific orientation, construction and quantity, therefore is not considered as limiting the invention.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term is " even
Connect ", " being fixedly connected ", " laying ", " installation " shall be understood in a broad sense, can also be detachably to connect for example, it may be being fixedly connected
It connects, or is integrally connected and can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not limited to the present invention.It should be appreciated that salt water tank mixing arrangement provided in this embodiment can also be applied to
In other hybrid system structures outside the drilling fluid salt water tank mixing arrangement structural requirement.In any fields of the present invention
Technical staff, do not depart from disclosed herein spirit and scope under the premise of, can implementation form and details it is enterprising
Row any modification and variation, but the scope of patent protection of the present invention, the appended claims that must still be subject to are defined.
Claims (11)
1. a kind of salt water tank mixing arrangement, including salt water tank and circulation line, it is characterised in that:
The circulation line includes into cabin pipeline, goes out cabin pipeline, transfer pipeline and circulating pump;
Entrance hatch, egress hatch and distribution circuit, inner wall of the distribution circuit along the salt water tank are provided in the salt water tank
Face is circumferentially, described to be connected into cabin pipeline with the entrance hatch, it is described go out cabin pipeline be connected with the egress hatch, the conveying
Pipeline is used to export the brine in the salt water tank, and the distribution circuit is connected with the entrance hatch;
The distribution circuit is equipped with multiple nozzles, the axis direction of the jet direction and the distribution circuit of each nozzle
At jet angle β, 10 °≤β≤60 °, the jet flow ejected by each nozzle is made to form vortex mixing ring in the salt water tank
Road.
2. salt water tank mixing arrangement according to claim 1, it is characterised in that:
The distribution circuit further includes multiple diversion pipes, and each diversion pipe is equipped with one or more nozzles.
3. salt water tank mixing arrangement according to claim 1, it is characterised in that:
The quantity of the distribution circuit is set as multiple, and multiple distribution circuit are in parallel, and is located in each distribution circuit
Each nozzle the jet angle β it is equal or different.
4. salt water tank mixing arrangement according to claim 3, it is characterised in that:
Nozzle in each distribution circuit is sequentially connected surrounded area equation or difference.
5. salt water tank mixing arrangement according to claim 3, it is characterised in that:
Multiple distribution circuit include the first distribution circuit and the second distribution circuit, and second distribution circuit is located at described the
Between one distribution circuit and the egress hatch, it is sequentially connected by each nozzle in first distribution circuit and surrounds the first vortex
Domain is sequentially connected by each nozzle in second distribution circuit and surrounds second eddy current region, and first eddy region is enclosed
At region center line and the two the first eddy region area defined centerline collineation, and first vortex
The area equation that the area that region is surrounded is surrounded with the second eddy current region.
6. salt water tank mixing arrangement according to any one of claims 1-5, it is characterised in that:
The distribution circuit takes the shape of the letter U arrangement along the internal face of the salt water tank.
7. salt water tank mixing arrangement according to any one of claims 1-5, it is characterised in that:
The nozzle is stainless steel spiral nozzle.
8. salt water tank mixing arrangement according to any one of claims 1-5, it is characterised in that:
The quantity of the nozzle in one distribution circuit is set as 4 to 10.
9. salt water tank mixing arrangement according to any one of claims 1-5, which is characterized in that the salt water tank mixing dress
It sets and further includes:
Return line is provided with liquid collection opening on the return line, and one end of the return line passes through the liquid collection opening and institute
State salt water tank connection, the other end of the return line with it is described go out cabin piping connection.
10. salt water tank mixing arrangement according to claim 9, it is characterised in that:
There are one the liquid collection openings or multiple, and the liquid collection opening is arranged along the axially spaced-apart of the return line.
11. salt water tank mixing arrangement according to any one of claims 1-5, it is characterised in that:
The salt water tank mixing arrangement further includes filter, and the filter goes out cabin pipeline or the transfer pipeline described in
On.
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CN113797791A (en) * | 2021-09-01 | 2021-12-17 | 联业织染(珠海)有限公司 | High-uniformity compound blending device and blending method |
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