CN206129252U - Store up medicine formula automatic reagent feeding device - Google Patents
Store up medicine formula automatic reagent feeding device Download PDFInfo
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- CN206129252U CN206129252U CN201621172233.0U CN201621172233U CN206129252U CN 206129252 U CN206129252 U CN 206129252U CN 201621172233 U CN201621172233 U CN 201621172233U CN 206129252 U CN206129252 U CN 206129252U
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- medicine
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- mixing tube
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Abstract
The utility model relates to an use oil gas mining devices, specifically say to relate to a store up medicine formula automatic reagent feeding device. The utility model discloses a charge device includes the hybrid tube, adopt the liquid inner tube, stock solution outer tube and lower clutch, the lower extreme of hybrid tube from interior outwards in proper order with adopt the liquid inner tube, the outer union coupling of stock solution, the lower extreme of adopting the liquid inner tube is connected with the lower clutch, through the automatic start/stop valve, the cooperation that adds pencil and blender is used, not only realized automatically in the pit, the ration, release liquid chemical agent steadily, and the device need not adopt motor and battery, the hole digging device has a simple structure, easy construction, convenient maintenance, stable and reliable operation.
Description
Technical field
This utility model is related to a kind of oil field oil-gas mining device, in particulars relate to a kind of medicine-storing Automatic Dosing dress
Put.
Background technology
Produced liquid in oil well water content with production be gradually increasing into middle and late stage, thereby result in downhole tubular, roofbolt fouling and
Corrosion, while some oil wells cause normally to produce or the problems such as wellhead back pressure height because of reasons such as oily thick, wax deposition.For dimension
The normal production of oil well is held, by adding chemical agent to the fluid in pit shaft, the flow behavior for changing wellbore fluids is oil field
Practices well in production process.During oil-gas mining, corrosion inhibiter, antisludging agent are added to the pit shaft of oil well, there is control oil
Pipe, sleeve scaling, reduce the effect of corrosion;In viscous crude production process, thinner is added to reduce viscosity of crude in pit shaft
It is the common technology in thick oil well bore lifting.
At present, the method for chemical agent is added to have to well wellbore:Ground oil jacket annular space dosing, solidification medicament dosing and machine
Three kinds of tool formula down-hole dosing.This three kinds of dosing methods are primarily present problems with application process at the scene:(1) oil jacket annular space has
The producing well of packer cannot use ground dosing technique, and side prospect pit, high casing pressure oil well ground dosing are difficult, dosing labor intensity
Greatly, efficiency is low, and management difficulty is high;(2) solidify the dissolving of medicament is affected by well temperature, and the dissolution velocity of medicament is difficult to effectively be controlled
System;(3) a bit uncontrollable dosing speed of current mechanical underground chemicals dosing plant and adding consistency, some employing motorized motions
Mode, its apparatus structure is complex, and needs to install battery in down-hole, and the ruggedness of device needs further raising.
One kind is disclosed in the Chinese invention patent of Patent No. ZL200810024631.1, and " oil well down-hole liquid continuously adds
Medicinal liquid in medicament pipe continuously and stably can be added chemical agent by medicine device ", the device with given speed in product liquid, but be filled
Rest against gravity and medicament is discharged into into down-hole, device has always leakage of medicament during going into the well, be unfavorable for that the effective of oil well adds
Medicine;A kind of " underground drug adding device ", the dress are disclosed in the Chinese utility model patent of Patent No. ZL201420165498.2
Put in oil pumper normal productive process, relative motion is produced by the visibly moved medicine main body of oil pumper tubing string band and strigil, so that
The medicinal liquid held in medicine main body is constantly entered in oil pumper pit shaft, but in each stroke, all some well liquid by drug valve
Appearance medicine main body is drawn into, causes chemical agent to be constantly mixed dilution, so as to realize efficiently controlling the dense of each dosing
Degree, it is impossible to realize quantitative dosing;Additionally, a kind of efficient underground drug adding device (ZL201520081580.1), pumpingh well down-hole
Automatic quantitative medicine-feeding flow string (ZL201120430708.2), a kind of automatic quantitative dosing device under oil well
(ZL201110035004.X) underground quantity dosing is realized using motor-driven mode, tubular column structure is complicated, and needs
Battery is installed in down-hole, and its tubing string persistency and reliability need further raising.
Utility model content
For the above-mentioned technical problem in the presence of prior art, the utility model proposes a kind of medicine-storing Automatic Dosing
Device, not only realizes down-hole and automatically, quantitatively, stably discharges liquid chemical agent, and the apparatus structure is simple, it is easy to apply
Work, stable and reliable operation.
To solve above-mentioned technical problem, a kind of medicine-storing automatic medicine adding apparatus of the present utility model include mixing tube, adopt liquid
Inner tube, liquid storage outer tube and lower contact, the lower end of the mixing tube from inside to outside connects with liquid inner tube, the liquid storage outer tube adopted successively
Connect, the lower end for adopting liquid inner tube is connected with lower contact, sealing device is provided with above the lower contact and is adopted for sealing
Annular space between liquid inner tube and liquid storage outer tube, it is described adopt liquid inner tube, the ring that liquid storage outer tube, mixing tube and sealing device are collectively forming
Shape space is drug storage chamber;The mixing tube cavity is provided with blender, and the side wall of mixing tube is provided with hollow dosing passage, should
Dosing passage end is connected by the automatic open and close valve for arranging with drug storage chamber, and the other end of the dosing passage passes through joint and adds
One end of pencil is connected, and the other end of the chemical feed pipe stretches into mixing tube through the first through hole being arranged in the mixing pipe outer wall
Inner chamber.
Used as a kind of improvement of the present utility model, the sealing device includes sealing floating ring and support ring, the support ring position
In the lower section of the sealing floating ring, play a supporting role.
The inner and outer of the sealing floating ring is provided with sealing ring.
The support ring outside is symmetrically arranged with axially the second through hole.
Used as another kind of improvement of the present utility model, the blender is spiral spinning disk.
The blender is provided centrally with third through-hole.
The chemical feed pipe stretches into the underface that the mouth of pipe of mixing tube cavity is located at the third through-hole.
The joint is bite type taper thread free flow coupling.
The first through hole is disposed with from inside to outside sealing ring and seal pressure cap, makes the chemical feed pipe close with mixing tube
Sealing-in is touched.
Compared with prior art, the utility model has the advantage of, by matching somebody with somebody for automatic open and close valve, chemical feed pipe and blender
Conjunction is used, and is not only realized down-hole and automatically, quantitatively, is stably discharged liquid chemical agent, and the device need not be using electricity
Machine and battery, apparatus structure is simple, it is easy to construct, easy to maintenance, stable and reliable operation.This utility model is also revolved by spiral type
The setting of flow so that medicament mixes more uniform with Produced Liquid, and dosing effect is more excellent.Additionally, this utility model is also by close
Envelope floating ring is used in combination with support ring, promotes in the presence of pressure reduction and is moved on sealing floating ring, releases so as to more stable, long-acting
Medicament is put, the purpose of effective control dosing has been reached.
Description of the drawings
Fig. 1 is the half sectional view of this utility model water storage type automatic medicine adding apparatus.
Fig. 2 is the 3-D view of this utility model blender.
Fig. 3 is the sectional view of this utility model support ring.
Fig. 4 is the top view of this utility model support ring.
Specific embodiment
Relevant detailed description of the present utility model and technology contents, coordinate description of the drawings as follows, but accompanying drawing only provides ginseng
Examine and purposes of discussion, not for being any limitation as to this utility model.
As shown in figure 1, a kind of medicine-storing automatic medicine adding apparatus, including mixing tube 1, adopt liquid inner tube 9, liquid storage outer tube 11 and under
Joint 14, the lower end of mixing tube 1 from inside to outside successively with adopt liquid inner tube 9, liquid storage outer tube 11 and be connected, adopt liquid inner tube 9 as taking out
Oil pump tail pipe is flowed in oil well pump for Produced Liquid by shaft bottom, and the lower end for adopting liquid inner tube 9 is connected with lower contact 14, lower contact 14
Top is provided with sealing device and adopts annular space between liquid inner tube 9, liquid storage outer tube 11 to seal, and the sealing device includes that sealing is floating
Ring 12 and support ring 13, the support ring 13 is located at the lower section of sealing floating ring 12, and chemical agent is risen before going into the well and during going into the well
To carrying effect.Adopt liquid inner tube 9, the annular space that liquid storage outer tube 11, mixing tube 1 and sealing device are collectively forming is drug storage chamber
10, for storing chemical agent.The inner and outer of sealing floating ring 12 is provided with sealing ring, to seal the bottom of drug storage chamber 10
Portion, to prevent the seepage of chemical agent;The inner chamber of mixing tube 1 is provided with blender 2, and the side wall of the mixing tube 1 is additionally provided with hollow
Dosing passage 7, the one end of dosing passage 7 by arrange automatic open and close valve 8 be connected with drug storage chamber 10, dosing passage 7
The other end is connected by joint 6 with one end of chemical feed pipe 3, and the other end of chemical feed pipe 3 is through the be arranged on the outer wall of mixing tube 1
One through hole 15 stretches into the inner chamber of mixing tube 1.In process of production chemical agent is extruded from chemical feed pipe 3, passes through together with Produced Liquid
It is mixed during blender 2 uniform.In a preferred embodiment, joint 6 is bite type taper thread free flow coupling.First through hole 15
Sealing ring 5 and seal pressure cap 4 are disposed with from inside to outside, to make chemical feed pipe 3 in sealing contact with mixing tube 1, prevent extraction
Liquid seepage.
As shown in Fig. 2 blender 2 is spiral spinning disk, the inside of mixing tube 1 is installed on.It is preferable to carry out another
In example, the center of blender 2 is additionally provided with third through-hole 16, and chemical feed pipe 3 stretches into the mouth of pipe of the inner chamber of mixing tube 1 and is located at third through-hole
16 underface.
As shown in Figure 3,4, the outside of support ring 13 is symmetrically arranged with axially the second through hole 17.In production process, shaft bottom extraction
Liquid by the second through hole 17 by hydraulic action on sealing floating ring 12, promote sealing floating ring 12 to move up, so as to by chemical drugs
Agent squeezes into the inner chamber of mixing tube 1.
When using, the chemicals dosing plant is connected with oil well pump lower end first, under enter in oil well, open automatically during going into the well
Valve closing 8 is closed in action of gravity, so as to prevent the leakage of chemical agent.
After being lowered into design attitude, you can carry out production operation, in process of production, during upstroke, oil well pump is played to be taken out
Suction is acted on, and Produced Liquid is from shaft bottom by adopting liquid inner tube 9 into mixing tube 1, under the differential pressure action that suction is produced, automatic open and close valve
8 are in open mode, and sealing floating ring 12 is moved up, by chemical agent by drug storage under oil jacket annular space Produced Liquid hydraulic action
Room 10 mixing tube 1, the Produced Liquid in mixing tube 1 and change are clamp-oned by automatic open and close valve 8, dosing passage 7, joint 6 and chemical feed pipe 3
Medicament is learned during flowing up through the eddy flow immixture of blender 2, chemical agent is sufficiently mixed with Produced Liquid;
In oil well pump down stroke, automatic open and close valve 8 is closed under gravity, and the Produced Liquid and chemical agent of mix homogeneously enter together
Enter oil pump plunger piston, and then be lifted to ground, because automatic open and close valve 8 is closed being fallen so as to effectively prevent Produced Liquid
Fill and enter drug storage chamber 10, it is to avoid the dilution of chemical agent, it is achieved thereby that down-hole automatically, quantitative, long-term, stably dosing, reach
To the purpose of effective control dosing.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the scope of the claims of the present utility model, its
He all should all belong to the scope of the claims of the present utility model with the equivalence changes of patent spirit of the present utility model.
Claims (9)
1. a kind of medicine-storing automatic medicine adding apparatus, it is characterised in that:The chemicals dosing plant includes mixing tube, adopts outside liquid inner tube, liquid storage
Pipe and lower contact, the lower end of the mixing tube is from inside to outside connected with the liquid inner tube, liquid storage outer tube of adopting successively, described to adopt in liquid
The lower end of pipe is connected with lower contact, sealing device is provided with above the lower contact and is adopted outside liquid inner tube and liquid storage for sealing
Annular space between pipe, it is described adopt liquid inner tube, the annular space that liquid storage outer tube, mixing tube and sealing device are collectively forming is drug storage
Room;The mixing tube cavity is provided with blender, and the side wall of the mixing tube is provided with hollow dosing passage, the dosing passage one
The automatic open and close valve by arranging is held to be connected with drug storage chamber, the other end of the dosing passage is by joint and one end of chemical feed pipe
It is connected, the other end of the chemical feed pipe stretches into mixing tube cavity through the first through hole being arranged in mixing pipe outer wall.
2. medicine-storing automatic medicine adding apparatus as claimed in claim 1, it is characterised in that:The sealing device includes sealing floating ring
With support ring, the support ring be located at it is described sealing floating ring lower section, play a supporting role.
3. medicine-storing automatic medicine adding apparatus as claimed in claim 2, it is characterised in that:The inner and outer of the sealing floating ring
It is provided with sealing ring.
4. medicine-storing automatic medicine adding apparatus as claimed in claim 2, it is characterised in that:The support ring outside is symmetrically arranged with
The second through hole of axial direction.
5. medicine-storing automatic medicine adding apparatus as any one of Claims 1-4, it is characterised in that:The blender
For spiral spinning disk.
6. medicine-storing automatic medicine adding apparatus as claimed in claim 5, it is characterised in that:The blender is provided centrally with
Three through holes.
7. medicine-storing automatic medicine adding apparatus as claimed in claim 6, it is characterised in that:The chemical feed pipe stretches into mixing tube cavity
The mouth of pipe be located at the third through-hole underface.
8. medicine-storing automatic medicine adding apparatus as claimed in claim 5, the joint is bite type taper thread free flow coupling.
9. medicine-storing automatic medicine adding apparatus as claimed in claim 5, the first through hole is disposed with from inside to outside sealing
Ring and seal pressure cap, make the chemical feed pipe in sealing contact with mixing tube.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621172233.0U CN206129252U (en) | 2016-10-26 | 2016-10-26 | Store up medicine formula automatic reagent feeding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621172233.0U CN206129252U (en) | 2016-10-26 | 2016-10-26 | Store up medicine formula automatic reagent feeding device |
Publications (1)
Publication Number | Publication Date |
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CN206129252U true CN206129252U (en) | 2017-04-26 |
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ID=58575219
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CN201621172233.0U Active CN206129252U (en) | 2016-10-26 | 2016-10-26 | Store up medicine formula automatic reagent feeding device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107100589A (en) * | 2017-07-07 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of underground device for continuously adding medicine |
CN107989582A (en) * | 2016-10-26 | 2018-05-04 | 中国石油化工股份有限公司 | A kind of medicine-storing automatic medicine adding apparatus |
-
2016
- 2016-10-26 CN CN201621172233.0U patent/CN206129252U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107989582A (en) * | 2016-10-26 | 2018-05-04 | 中国石油化工股份有限公司 | A kind of medicine-storing automatic medicine adding apparatus |
CN107100589A (en) * | 2017-07-07 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of underground device for continuously adding medicine |
CN107100589B (en) * | 2017-07-07 | 2019-02-01 | 中国石油化工股份有限公司 | A kind of underground device for continuously adding medicine |
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