CN108868714A - Chemical solution speed matches device and method - Google Patents
Chemical solution speed matches device and method Download PDFInfo
- Publication number
- CN108868714A CN108868714A CN201710319688.3A CN201710319688A CN108868714A CN 108868714 A CN108868714 A CN 108868714A CN 201710319688 A CN201710319688 A CN 201710319688A CN 108868714 A CN108868714 A CN 108868714A
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- China
- Prior art keywords
- liquid
- negative pressure
- agitation tank
- suction
- chemical solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000126 substance Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000013019 agitation Methods 0.000 claims abstract description 44
- 230000008676 import Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 7
- 239000013043 chemical agent Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
Abstract
The invention discloses chemical solution speed to match device and method, device includes Agitation Tank, driving device, it further include negative pressure jet stream suction apparatus, the negative pressure jet stream suction apparatus includes sequentially connected sparge pipe, suction tube, trunnion, the sparge pipe left end is to carry out liquid import, the nozzle of right end formation tapered tube shape, the nozzle is directly protruding into the mixed liquor import of the left end of trunnion after suction tube center cavity, the right end of trunnion is mixture export, negative pressure suction chamber is formed between the outer nozzle wall and suction inside pipe wall, suction tube left end outer wall opens up the radial material suction inlet being connected to negative pressure suction chamber, it is described come liquid import connection driving device outlet, the material suction inlet connects charge line, what mixture export connection Agitation Tank upper end opened up matches liquid import.The present invention solves traditional with liquid control method there are existing with liquid of poor quality, the problem that the speed with liquid is slow, process flow is complicated.
Description
Technical field
The present invention relates to oil extraction in oil field chemical agents to match liquid technology, and specifically chemical solution speed matches device and method.
Background technique
In the tertiary oil recovery field in oilfield exploitation later period, water plugging and profile controlling, transfer drive, chemical flooding, polymer flooding are generally taken
The technologies such as oil improve oil recovery rate.In these technologies, the evenly dispersed dissolution of chemical agent used and rapid preparing are to guarantee
The key link of processing quality.
Traditional Agitation Tank includes tank body and mechanical stirring system, and mechanical stirring system is usually to install additional to stir above tank body
Device is mixed, blender is made of motor, Speed Decreaser Gearbox, gear set, agitating shaft etc., is connected Speed Decreaser Gearbox by motor, is slowed down
Gearbox drives gear set that power is transmitted to agitating shaft to realize agitating function, and mixing speed is slow, and using effect is poor.In order to
Guarantee the normal operation of internal gear group, lubricating oil should be full of in Speed Decreaser Gearbox, but the leakage of lubricating oil can be intracorporal to tank
Medical fluid generates pollution.
Particularly with the mixing dispersion of the flours such as polymer, flyash, often when flour and water mix
Time forms clustering phenomena, causes charging hopper or feed and exhaust tube to block, influences mixed effect, or even injection technology cannot be made smooth
It carries out.
In spite of liquid dispensing device take jet flow mixing device, but still remain many defects.
By retrieval, it is found that publication number 105013364A, publication date 2015-11-04 disclose a kind of self-priming jet fluid
Blending device and method.Device includes:Ejector, Agitation Tank, clean water tank, charging pump, chemical agent pond；Clean water tank connects charging pump
The import of ejector is connected afterwards, and chemical agent pond connects ejector lower inlet, ejector outlet connection Agitation Tank.Method includes:
Chemical agent and water are uniformly mixed by ejector is sent into Agitation Tank.It, can with automatic uniform using apparatus and method of the present invention
Foam stabilizer and foaming agent especially dry powder class high molecular polymer are sucked, liquid is matched in disposable closed completion while upper water, from
Fundamentally prevent with liquid it is uneven, bringing the impurity such as soil into causes liquid unqualified.Foam solution is eliminated to prepare uneven and lead
Cause injection well injection pressure rise or note not into maximum hidden danger.Technical matters process disclosed above and the device is complicated, ejector
Inner part is easy to appear leakage by long-time erosion rapid wear.Some equipment need to feed manually, match liquid low efficiency, influence continuously to make
Industry.
Summary of the invention
The purpose of the present invention is to provide chemical solution speed to match device and method, solves traditional liquid control method of matching and deposits
In existing of poor quality, the problem that the speed with liquid is slow, process flow is complicated with liquid.With uniformly mixed, quick with liquid, metering is quasi-
Really, easy to operate, safe and reliable advantage.
In order to achieve the above objectives, present invention employs following technical solution, chemical solution speed matches device, including matches liquid
Tank, driving device, further include negative pressure jet stream suction apparatus, the negative pressure jet stream suction apparatus include sequentially connected sparge pipe,
Suction tube, trunnion, the sparge pipe left end are to carry out liquid import, and right end forms the nozzle of tapered tube shape, and the nozzle passes through suction
The mixed liquor import of the left end of trunnion is directly protruding into after tube hub chamber, the right end of trunnion is mixture export, the outer nozzle wall
Form negative pressure suction chamber between suction inside pipe wall, suction tube left end outer wall, which opens up, radial to be connected to negative pressure suction chamber
Material suction inlet, it is described come liquid import connection driving device outlet, the material suction inlet connects charge line, the mixing
What liquid outlet connection Agitation Tank upper end opened up matches liquid import.
The driving device includes the frequency control motor being connected, gear pump, and the gear pump has a pump intake
With a pump discharge, the pump intake is connected to Agitation Tank inner cavity bottom end by pipeline, valve, the pump discharge is arranged on the pipeline
By hard tube line be connected to sparge pipe come liquid import.
Ball-and-seat is set on the hard tube line.
Agitation Tank upper end side wall is installed into water valve connection water inlet pipe.
The Agitation Tank bottom side of the wall installs tapping valve connected drainage pipe.
Liquidometer is installed on the Agitation Tank.
In order to reach above-mentioned another object, present invention employs following technical solution, chemical solution speed method of completing the square is opened
Inlet valve on Agitation Tank injects water after the water of injection is measured by the liquidometer being mounted on Agitation Tank to Agitation Tank and closes
Inlet valve opens the connecting valve between gear pump and Agitation Tank, starts frequency control motor, drives gear pump operating, passes through
The revolving speed of the revolving speed control gear pump of frequency control motor is adjusted, to control the discharge capacity of gear pump, liquid is through tooth in Agitation Tank
Wheel pump, which flows through, enters negative pressure jet stream suction apparatus through hard tube line after ball-and-seat, is carried out liquid import flow nozzle, nozzle generates at this time
High-speed jet, two sides negative pressure suction chamber generate negative pressure, and ground material enters negative pressure suction chamber by material suction inlet through charge line
Afterwards, with nozzle outflow liquid be sufficiently mixed, liquid-solid mixture through trunnion mixture export, match liquid import, finally flow into match liquid
In tank.
Gear pump is continuously run with the revolving speed set, and pot liquid constantly flows through negative pressure jet spray device, while continuous
It is continuously drawn into ground material to mix with pot liquid, until stopping material sucking after concentration as defined in reaching.
Stop after adding ground material, continue to use the liquid in gear pump circulation Agitation Tank, until entire pot liquid is completely mixed
Even dissolution.
Compared to the prior art, the invention has the advantages that：
1. chemical solution speed proposed by the present invention matches device, negative pressure jet stream suction apparatus is used, liquid stream enters jet stream
High-speed jet is formed after the nozzle of device, generates negative pressure around nozzle.After the solid powders such as polymer are inhaled under the action of negative pressure
Agitation Tank is flowed into through diffuser by trunnion after mixing with high speed liquid flow, being tentatively sufficiently mixed for solid-liquid is realized, is effectively prevented from
The conglomeration of solid powder, while mixing speed is accelerated, it liquid preparation time is shortened, improves with liquid efficiency.
2. chemical solution speed proposed by the present invention matches device, liquid is through gear pump, negative pressure jet stream sucking dress in Agitation Tank
Set, Agitation Tank can be circulated repeatedly, and then accelerate chemical agent solution rate, shorten prepare the time, improve solution quality.
3. chemical solution speed proposed by the present invention matches device, initial water is measured by liquidometer, passes through tune
The revolving speed for saving frequency control motor controls gear pumpage, to control the indoor negative pressure of mixture, automatically adjusts solid, powdery object
Soakage, and then achieve the purpose that control solid-liquid mixture concentration value.
4. chemical solution speed proposed by the present invention matches device, inhaled automatically using the negative pressure that negative pressure jet stream suction apparatus generates
The solid powder material that needs are prepared is taken, the hand stock of tank deck is avoided, improves job security, it is strong to reduce labour
Degree.
5. chemical solution speed proposed by the present invention matches device, it is applicable not only to the flash-dispersal solution of solid powder,
Dilution suitable for high concentration chemical solution mixes dissolution.
It is uniformly mixed in short, apparatus of the present invention have, matches quick liquid, accurate measurement, easy to operate, securely and reliably excellent
Point.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that chemical solution speed of the present invention matches device.
Fig. 2 is sectional view of the chemical solution speed of the present invention with negative pressure jet stream suction apparatus in device.
In figure：1. Agitation Tank；2. inlet valve；3. tapping valve；4. frequency control motor；5. gear pump；6. liquidometer；7. single
Flow valve；8. negative pressure jet stream suction apparatus；9. matching liquid import；10. charge line；11. nozzle；12. trunnion；13. mixture export；
14. carrying out liquid import；15. material suction inlet；16. negative pressure suction chamber；17. mixed liquor import.
Specific embodiment
Detailed description for the present invention and technology contents, cooperation Detailed description of the invention is as follows, however attached drawing is only to refer to and say
It is bright to be used, it is not intended to limit the present invention.
As shown in Figure 1 and Figure 2, chemical solution speed matches device, including Agitation Tank 1, inlet valve 2, tapping valve 3, frequency conversion
Speed regulating motor 4, gear pump 5, negative pressure jet stream suction apparatus 8, charge line 10.1 upper end of Agitation Tank is equipped with inlet valve 2, under
End is equipped with tapping valve 3.Described 5 one end of gear pump is connect by valve with 1 lower part of Agitation Tank, and the other end of gear pump 5, which connects, to be become
Frequency modulation speed motor 4, the revolving speed by adjusting frequency control motor 4 control the flow of gear pump 5, the gear pump upper end setting pump
Outlet, gear pump discharge are connect through hard tube line with negative pressure jet stream suction apparatus, gear pump 5 and negative pressure jet stream suction apparatus 8
The hard tube line of connection is equipped with ball-and-seat 7.The negative pressure jet stream suction apparatus includes sequentially connected sparge pipe, suction tube, larynx
Pipe, the sparge pipe left end is to carry out liquid import 14, and right end forms the nozzle 11 of tapered tube shape, and the nozzle passes through suction tube hub
Be directly protruding into the mixed liquor import 17 of the left end of trunnion after chamber, the right end of trunnion is mixture export 13, the outer nozzle wall with
Form negative pressure suction chamber 16 between suction inside pipe wall, suction tube left end outer wall, which opens up, radial to be connected to negative pressure suction chamber
Material suction inlet 15, it is described come liquid import connection driving device outlet, the material suction inlet connects charge line 10, described
What mixture export connection Agitation Tank upper end opened up matches liquid import 9.The material suction inlet of the negative pressure jet stream suction apparatus 8 connects
Charge line 10, the feeding line 10 are wired hose, and feeding line 10 is inhaled by the negative pressure that negative pressure jet stream suction apparatus 8 generates
Enter the material on ground.It is additionally provided with liquidometer 6 on the Agitation Tank 1, liquid in Agitation Tank 1 is measured.
When chemical solution speed of the invention matches liquid with device, it is first turned on inlet valve 2, after liquidometer 6 is measured,
Inlet valve 2 is closed, the connection valve between gear pump 5 and Agitation Tank 1 is opened, starts frequency control motor 4, gear pump 5 is driven to transport
Turning, the revolving speed by adjusting frequency control motor 4 controls the revolving speed of gear pump 5, so that the discharge capacity of gear pump 5 is controlled, Agitation Tank 1
Middle liquid enters negative pressure jet stream suction apparatus 8 through hard tube line after gear pump 5 flows through ball-and-seat 7, carrys out 14 flow nozzle of liquid import
11, nozzle 11 generates high-speed jet at this time, and two sides generate negative pressure, and ground material enters negative pressure by suction inlet 15 through feeding line 10
After suction chamber 16, the liquid flowed out with nozzle 11 is sufficiently mixed, and liquid-solid mixture is through the mixed liquor import 17 of trunnion 12, mixed liquor
Liquid import 9 is matched in outlet 13, is finally flowed into Agitation Tank.Gear pump 5 is continuously run with the revolving speed of setting, and pot liquid does not stop
Through negative pressure jet spray device, while continuously, sucking ground material is mixed with pot liquid, until dense as defined in reaching
Stop material sucking after degree.Stop after adding ground material, continues to recycle the liquid in Agitation Tank 1 with gear pump 5, until in entire tank
Liquid mixes dissolution completely.
The foregoing is merely presently preferred embodiments of the present invention, non-to limit the scope of the patents of the invention, other are with this
The equivalence changes of patent of invention spirit should all belong to the scope of the patents of the invention.
Claims (9)
1. chemical solution speed matches device, including Agitation Tank, driving device, which is characterized in that further include negative pressure jet stream sucking dress
It sets, the negative pressure jet stream suction apparatus includes sequentially connected sparge pipe, suction tube, trunnion, and the sparge pipe left end is to carry out liquid
Import, right end form the nozzle of tapered tube shape, and the nozzle is directly protruding into the mixed of the left end of trunnion after suction tube center cavity
Liquid import is closed, the right end of trunnion is mixture export, and negative pressure suction chamber, institute are formed between the outer nozzle wall and suction inside pipe wall
State suction tube left end outer wall and open up the radial material suction inlet being connected to negative pressure suction chamber, it is described come liquid import connection driving dress
The outlet set, the material suction inlet connect charge line, mixture export connection Agitation Tank upper end open up with liquid into
Mouthful.
2. chemical solution speed according to claim 1 matches device, which is characterized in that the driving device includes being connected
Frequency control motor, gear pump, there is the gear pump pump intake and a pump discharge, the pump intake to pass through pipeline
Be connected to Agitation Tank inner cavity bottom end, valve be set on the pipeline, the pump discharge by hard tube line be connected to sparge pipe come liquid into
Mouthful.
3. chemical solution speed according to claim 2 matches device, which is characterized in that single stream is arranged on the hard tube line
Valve.
4. chemical solution speed according to claim 1 matches device, which is characterized in that the installation of Agitation Tank upper end side wall
Inlet valve connects water inlet pipe.
5. chemical solution speed according to claim 1 matches device, which is characterized in that the Agitation Tank bottom side of the wall installation
Tapping valve connected drainage pipe.
6. chemical solution speed according to claim 1 matches device, which is characterized in that install liquid level on the Agitation Tank
Meter.
7. chemical solution speed method of completing the square, which is characterized in that open the inlet valve on Agitation Tank, inject water, injection to Agitation Tank
Water by closing inlet valve, opening the connection between gear pump and Agitation Tank after the liquidometer metering that is mounted on Agitation Tank
Valve starts frequency control motor, drives gear pump operating, and the revolving speed by adjusting frequency control motor controls turning for gear pump
Speed, to control the discharge capacity of gear pump, liquid enters negative pressure jet stream through hard tube line after gear pump flows through ball-and-seat in Agitation Tank
Suction apparatus is carried out liquid import flow nozzle, and nozzle generates high-speed jet at this time, and two sides negative pressure suction chamber generates negative pressure, ground
Material is sufficiently mixed, liquid mixes admittedly after charge line enters negative pressure suction chamber by material suction inlet with the liquid of nozzle outflow
Object through trunnion mixture export, match liquid import, finally flow into Agitation Tank in.
8. chemical solution speed method of completing the square according to claim 7, which is characterized in that gear pump is continuous with the revolving speed set
Operating, pot liquid constantly flow through negative pressure jet spray device, while continuously sucking ground material and pot liquid are mixed
It closes, until stopping material sucking after concentration as defined in reaching.
9. chemical solution speed method of completing the square according to claim 8, which is characterized in that stop after adding ground material, continue to use
Liquid in gear pump circulation Agitation Tank, until entire pot liquid mixes dissolution completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319688.3A CN108868714A (en) | 2017-05-08 | 2017-05-08 | Chemical solution speed matches device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710319688.3A CN108868714A (en) | 2017-05-08 | 2017-05-08 | Chemical solution speed matches device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108868714A true CN108868714A (en) | 2018-11-23 |
Family
ID=64287663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710319688.3A Pending CN108868714A (en) | 2017-05-08 | 2017-05-08 | Chemical solution speed matches device and method |
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| Country | Link |
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| CN (1) | CN108868714A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1431383A (en) * | 2003-01-08 | 2003-07-23 | 中国石化胜利油田有限公司采油工艺研究院 | Injecting technique and equipments in production site for expelling oil by microbe |
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| CN206823569U (en) * | 2017-05-08 | 2018-01-02 | 中国石油化工股份有限公司 | A kind of chemical solution speed matches somebody with somebody device |
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2017
- 2017-05-08 CN CN201710319688.3A patent/CN108868714A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589675Y (en) * | 2002-12-07 | 2003-12-03 | 中国石化胜利油田有限公司规划设计研究院 | Polymer dried powder water jet dispersion and dissolution apparatus |
| CN1431383A (en) * | 2003-01-08 | 2003-07-23 | 中国石化胜利油田有限公司采油工艺研究院 | Injecting technique and equipments in production site for expelling oil by microbe |
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| US20130277047A1 (en) * | 2010-09-17 | 2013-10-24 | Schlumberger Technology Corporation | Downhole Delivery Of Chemicals With A Micro-Tubing System |
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Application publication date: 20181123 |