CN209228646U - A kind of sucking blending device of heavy oil wells submersible electric pump - Google Patents
A kind of sucking blending device of heavy oil wells submersible electric pump Download PDFInfo
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- CN209228646U CN209228646U CN201822230435.1U CN201822230435U CN209228646U CN 209228646 U CN209228646 U CN 209228646U CN 201822230435 U CN201822230435 U CN 201822230435U CN 209228646 U CN209228646 U CN 209228646U
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Abstract
The utility model discloses a kind of sucking blending devices of heavy oil wells submersible electric pump, including shell, top connection is from left to right connected in turn on the inside of shell, lower contact, bearing block, first leads shell, second leads shell, lining and squeeze cylinder, top connection and lower contact are separately installed with protecting cover and lower transit cap, it squeezes and viscous crude slitting plate is installed between cylinder and lining, shaft is equipped with by bearing in bearing block, separation sleeve and spline housing assembly are fixed on the outside of shaft, it is from left to right sequentially installed in shaft and is located at first and leads shell, second leads shell, lining and squeeze the second level agitator arm inside cylinder, water conservancy diversion leaf, primary puddling wheel and external screw thread squeeze piece, viscous crude and thin oil are first cut fine crushing, viscous crude, thin oil contact area is wide, using primary puddling wheel, the stirring of the Multi-stage rotary of water conservancy diversion leaf and second level agitator arm, mixing is more evenly, Mixing efficiency is high, and dilution is more thorough, improves the efficiency of pumping viscous crude, has saved thin oil dosage and cost of winning.
Description
Technical field
The utility model relates to submersible electric pump field, specially a kind of sucking blending device of heavy oil wells submersible electric pump.
Background technique
Viscous crude is the important component in the petroleum hydrocarbon energy, has and is up to the huge latent of several times than conventional crude resource
Power.China's viscous crude is resourceful, distributed more widely, and as thin oil exploitation puts more effort, oil reservoir is gradually reduced, and expands heavy crude reservoir and opens
It adopts and has become important development target.
Key equipment of the submersible electric pump as heavy crude producing guarantees that its operation is most important.Submersible electric pump is underground work
Centrifugal multistage pump multiple centrifugal pump, with oil pipe together G.I.H, ground power supply is by transformer, control flow and power cable by electrical energy transportation
Underground submersible motor is given, so that submersible motor is driven centrifugal multistage pump multiple centrifugal pump rotation, mechanical energy is converted electric energy to, the well in oil well
Liquid gives rise to ground.
Since viscosity of thickened oil is than big, air content is big, is not easy very much to flow, so continuing in casing when production
Thin oil is injected, by the mixing of thin oil and viscous crude, reduces well liquid viscosity, enters pump conducive to well liquid.But in the actual production process,
Especially after entering separator, deposits frequent occurrence, separator is blocked at separator, block pumps that What is more influence oil well
Normal production.Pump plugging handling gets up highly difficult, mainly by positive injection thin oil, releases viscous crude by improving pressure and pumps.
Ultra-deep viscous crude has the characteristics that asphalitine and gum level is higher, viscosity large fluidity is poor, therefore is utilizing latent oil
Electric pump unit lifts in recovery process often that failures, positive injection processing are obstructed so as to cause latent oil electricity because separator blocking, pump be stifled etc.
Pump assembly is laid down and shut down, and brings huge economic loss.Since the mixture of thick thin oil is uneven, cause to mix dilute than high, causes viscous crude
Cost of winning is high.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of sucking mixture of heavy oil wells submersible electric pump
Device, viscous crude and thin oil first pass through screw extruding push and pass through be covered with blade viscous crude slitting plate to cut it is fine crushing,
Viscous crude, thin oil contact area are wide, stir using the Multi-stage rotary of primary puddling wheel, water conservancy diversion leaf and second level agitator arm, mixing
Uniformly, mixing efficiency is high, and dilution is more thorough, improves the efficiency of pumping viscous crude, has saved thin oil dosage and cost of winning, can have
Effect solves the problems, such as that background technique proposes.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of sucking blending device of heavy oil wells submersible electric pump, including shell, the left end of the shell and right end are solid respectively
Surely it is connected with top connection and lower contact, bearing block is from left to right sequentially installed on the inside of the shell, first shell is led, second leads
Shell, lining and squeeze cylinder, the top connection and lower contact pass through bolt and are separately installed with protecting cover and lower transit cap, it is described on
Sealing ring is installed, described squeeze is equipped with viscous crude slitting plate, institute between cylinder and lining in the gap at connector and cage connection
It states in bearing block and shaft is equipped with by bearing；
It is fixed with separation sleeve on the outside of the shaft, the both ends of the shaft are mounted on spline housing assembly, in the shaft
It is from left to right sequentially installed with and is located at first and leads shell, second lead shell, lining and squeeze second level agitator arm inside cylinder, lead
Stream leaf, primary puddling wheel and external screw thread squeeze piece.
Further, the viscous crude slitting plate includes fixed plectane inside the housing, passes through mounting hole on the plectane
Several rotary table ring seats are installed, several slitting knives are installed on the inside of the rotary table ring seat.
Further, the left end of the shaft is also equipped with circlip for shaft, the circlip for shaft outside and the right side
End is respectively equipped with being bumped into housing and be bumped into inner sleeve positioned at being bumped on the inside of housing right end inside bearing block.
Further, the second level agitator arm includes the wheel seat being fixed on the outside of shaft, if being equipped with inside the wheel seat
Interconnected crossing current hole and vertical through-hole are done, shredder bar and agitation leaf are separately installed in the crossing current hole and vertical through-hole.
Compared with prior art, the utility model has the beneficial effects that
(1) viscous crude of the utility model and thin oil first pass through screw extruding and push and pass through the viscous crude slitting plate for being covered with blade
Fine crushing to be cut, viscous crude, thin oil contact area are wide, and more evenly more thoroughly, viscous crude and thin oil fine crushing is again for later period mixing
It after the stirring of the Multi-stage rotary of primary puddling wheel, water conservancy diversion leaf and second level agitator arm, is uniformly mixed, mixing efficiency is high, dilution
More thoroughly, viscous crude is easier to be pumped out, improves the efficiency of pumping viscous crude, also improves the service life of pump.
(2) the utility model solves the problems, such as mixed poor, the stifled pump of viscous crude of thick thin oil that submersible electric pump is exploited in heavy oil wells,
In addition the multilevel open type impeller designed has the ability of gas liquid ratio < 30% at processing suction inlet, to improve electric submersible pump unit
Pump detection period, ensure that electric submersible pump unit operates normally, in addition the promotion of mixed effect, can reduce and mix dilute ratio, save one
Fixed thin oil dosage, has saved cost of winning.
Detailed description of the invention
Fig. 1 is the whole schematic cross-sectional view of the utility model；
Fig. 2 is the second level agitator arm structural schematic diagram of the utility model；
Fig. 3 is that the viscous crude of the utility model cuts plate side structure schematic view.
Figure label:
1- shell；2- bearing block；3- first leads shell；4- second leads shell；5- lining；6- squeezes cylinder；7- viscous crude cuts plate；
8- shaft；9- second level agitator arm；
11- top connection；12- lower contact；The upper protecting cover of 13-；Transit cap under 14-；15- sealing ring；
21- circlip for shaft；22- is bumped into housing；23- is bumped into inner sleeve；
71- plectane；72- rotary table ring seat；73- slitting knife；
81- separation sleeve；82- spline housing assembly；83- water conservancy diversion leaf；84- primary puddling wheel；85- external screw thread squeezes piece；
91- wheel seat；92- stirs leaf；93- crossing current hole；94- indulges through-hole；95- shredder bar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of sucking blending device of heavy oil wells submersible electric pump, including
Shell 1, the left end of shell 1 and right end have been respectively fixedly connected with top connection 11 and lower contact 12, and top connection is connected with thickened-oil pump
It connects, lower contact 12 is connected with protector, to enter in thickened-oil pump after being diluted viscous crude.Top connection 11 and lower contact 12 are equal
It is separately installed with upper protecting cover 13 and lower transit cap 14 by bolt, is equipped in top connection 11 and the gap of 1 junction of shell close
Seal 15, sealing ring 15 can prevent viscous crude and thin oil from leaking from 1 junction of shell, guarantee that oil will not waste.
Top connection 12, top bearing block 2, first lead shell 3, second lead shell 4, lining 5, lower contact 12 are crimped together not
It is dynamic, prevent shell 1 from being washed away by liquid, to extend 1 service life of shell.Circlip for shaft 21, lower contact 12 can be to shafts 8
Play the role of righting, axial motion and the circular runout of shaft 8 can be reduced, to improve the transmission efficiency and rotation of shaft 8
Stability.
The inside of shell 1 is from left to right sequentially installed with bearing block 2, first leads shell 3, second leads shell 4, lining 5 and squeeze cylinder
6, it squeezes and viscous crude slitting plate 7 is installed between cylinder 6 and lining 5, shaft 8, a left side for shaft 8 are equipped with by bearing in bearing block 2
End is also equipped with circlip for shaft 21, and 21 outside of circlip for shaft and right end are respectively equipped with the edge inside bearing block 2
Enter housing 22 and is bumped into inner sleeve 23 positioned at being bumped on the inside of 22 right end of housing.
Circlip for shaft 21 is installed on the fluted shaft of shaft 8, the axial movement as securing part.It is bumped into housing 22
It is equipped with the annular groove for allowing circlip 21 to be inserted into inside left side, is bumped into housing 22 and is bumped into inner sleeve 23 and axis elasticity is kept off together
Circle 7 is limited, and makes being limited in scope for 7 left and right displacement of circlip, shaft 8 is also and then displaced by limit, to prevent shaft 8
Or the axial motion of bearing is too big, to improve 8 rotational stability of shaft.
Separation sleeve 81 is fixed on the outside of shaft 8, separation sleeve 81 can effectively prevent viscous crude and shaft 81 is adhered directly to shaft 81
Or enter on bearing and influence velocity of rotation, therefore protect shaft 8, also extend the service life of shaft 81.The two of shaft 8
End is mounted on spline housing assembly 82, and spline housing assembly 82 is transmitted for torque, beat each stirring wheel will not when rotation
It is sliding, just stirring wheel can be driven to rotate without welding, make the detachable maintaining of stirring wheel and easier for installation.
It is from left to right sequentially installed in shaft 8 and is located at first and leads shell 3, second lead shell 4, lining 5 and squeeze cylinder 6
Internal second level agitator arm 9, water conservancy diversion leaf 83, primary puddling wheel 84 and external screw thread squeezes piece 85.External screw thread squeezes piece 85 i.e. spiral shell
The external screw thread of bar, so that 8 right end a part of shaft be made to form screw rod, makes the fortune of oil similar to the screw rod inside screw extruder
Defeated and crushing is more smoothly and quick.
Viscous crude slitting plate 7 includes the plectane 71 being fixed on inside shell 1, and 71 center of plectane, which is equipped with, allows the insertion of shaft 8
Axis hole does not influence the rotation of shaft 8.Several rotary table ring seats 72 are equipped with by mounting hole on plectane 71, rotary table ring seat 72 it is interior
Side is equipped with several slitting knives 73.Because of the interior shape of rotary table ring seat 72 rotary table bigger than left side outlet face in right side inlet face
Shape, i.e. rotary table ring seat 72 are in infundibulate, therefore the side view of slitting knife 73 is triangular in shape, shape between adjacent 73 side of slitting knife
At angle be 10-30 °, that is to say, that 12-36 slitting knife 73 is equidistantly installed on 72 medial surface of rotary table ring seat.Work as viscous crude
When passing through inside rotary table ring seat 72 with thin oil because of screw extruding power, multiple strips are cut by multiple slitting knives 73, thus
So that viscous crude is exposed more areas, provides good condition for subsequent uniform mixing, dilution, substantially increase dilution quality
And efficiency.
Second level agitator arm 9 includes the wheel seat 91 for being fixed on 8 outside of shaft, is equipped with inside wheel seat 91 several interconnected
Flow over hole 93 and vertical through-hole 94, and shredder bar 95 and agitation leaf 92 are separately installed in flow over hole 93 and vertical through-hole 94, hole 93 of flowing over
Reduce the pressure of viscous crude and thin oil that wheel seat 91 is subject to when rotated with the design of vertical through-hole 94, viscous crude and vertical through-hole 94 can be
Crossing current hole 93 is flowed, to will not influence the transmission of viscous crude and thin oil.
Preferably, for second level agitator arm 9 when rotating with shaft 8, viscous crude and thin oil enter crossing current hole 93
When, it is chopped into knife 95 and first shreds, so that viscous crude be made to manifest more undiluted faces, it is thick then to stir 92 rotational agitation of leaf
Oil, thin oil mixture, so that viscous crude and thin oil fine crushing be made to mix well, dilution is more evenly, more sufficiently thoroughly, dilute
Oil, which more easily control enters inside viscous crude, to be diluted, and dilution effect is good.
The viscous crude dilution of the utility model is as follows:
(1) viscous crude, thin oil enter from suction inlet squeeze cylinder 6 after, first the external screw thread that is rotated squeezes the cutting of piece 85 and to the left
Transport of thick oil and thin oil；
(2) shape is cut into thin strips by slitting knife 73 when then viscous crude, thin oil pass through viscous crude slitting plate 7, to make viscous crude, thin oil
Contact area is wider；
(3) the primary puddling wheel 84 that viscous crude, thin oil enter that lining 5 is rotated tentatively is stirred, and viscous crude and thin oil start
Tentatively it is stirred；
(4) enter second to lead by 83 rotating flow guidance of water conservancy diversion leaf in shell 4, water conservancy diversion leaf 83 plays the work of pump leaf rotary transport at this time
With both having made viscous crude and thin oil rotate mixing, and also functioned to the effect of transport of thick oil；
(5) after leading shell 3 into first, second level agitator arm 9 carries out last cutting and stirring to viscous crude, thin oil, significantly
Increase two kinds it is oily be mixed area, dilute strength is improved, to make viscous crude will not block pumps when extracting.
Preferably, viscous crude and thin oil first pass through screw extruding push and pass through be covered with blade viscous crude slitting plate 7 to
Fine crushing by cutting, viscous crude, thin oil contact area are wide, and more evenly more thoroughly, then viscous crude, thin oil are successively primary for later period mixing
After the Stirring of puddling wheel 84, water conservancy diversion leaf 83 and second level agitator arm 9, viscous crude fine crushing and thin oil are using Multi-stage stirring,
Mixing efficiency is high, and dilution is more thorough, and viscous crude is easier to be pumped out, improves the efficiency of pumping viscous crude, also improves the service life of pump.
The blending device of the utility model is mounted on the lower part of thickened-oil pump instead of submersible electric pump separator, protector
Top solves the problem of thick thin oil mixture that submersible electric pump is exploited in heavy oil wells is poor, and viscous crude blocks up pump, and the multistage in addition designed is opened
The formula impeller of putting has the ability of gas liquid ratio < 30% at processing suction inlet, to improve the pump detection period of electric submersible pump unit, ensures latent
Oily electric pump unit operates normally, and in addition the promotion of mixed effect, can reduce and mix dilute ratio, save certain thin oil dosage, saves
Cost of winning better adapts to the exploitation of ultra-deep heavy oil wells.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of sucking blending device of heavy oil wells submersible electric pump, including shell (1), the left end of the shell (1) and right end point
It is not fixedly connected with top connection (11) and lower contact (12), is from left to right sequentially installed with bearing block on the inside of the shell (1)
(2), first shell (3) is led, second shell (4), lining (5) is led and squeezes cylinder (6), the top connection (11) and lower contact (12) are logical
It crosses bolt and is separately installed with protecting cover (13) and lower transit cap (14), it is characterised in that: the top connection (11) and shell (1) are even
It is equipped in the gap at the place of connecing sealing ring (15), described squeeze is equipped with viscous crude slitting plate (7), institute between cylinder (6) and lining (5)
It states in bearing block (2) and shaft (8) is equipped with by bearing；
It being fixed with separation sleeve (81) on the outside of the shaft (8), the both ends of the shaft (8) are mounted on spline housing assembly (82),
It is from left to right sequentially installed on the shaft (8) and is located at first and leads shell (3), second lead shell (4), lining (5) and squeeze
The internal second level agitator arm (9) of cylinder (6), water conservancy diversion leaf (83), primary puddling wheel (84) and external screw thread squeeze piece (85).
2. a kind of sucking blending device of heavy oil wells submersible electric pump according to claim 1, it is characterised in that: the viscous crude
Slitting plate (7) includes being fixed on the internal plectane (71) of shell (1), is equipped with several circles by mounting hole on the plectane (71)
Platform ring seat (72) is equipped with several slitting knives (73) on the inside of the rotary table ring seat (72).
3. a kind of sucking blending device of heavy oil wells submersible electric pump according to claim 1, it is characterised in that: the shaft
(8) left end is also equipped with circlip for shaft (21), is respectively equipped with and is located at right end on the outside of the circlip for shaft (21)
Bearing block (2) is internal to be bumped into housing (22) and is bumped into inner sleeve (23) positioned at being bumped on the inside of housing (22) right end.
4. a kind of sucking blending device of heavy oil wells submersible electric pump according to claim 1, it is characterised in that: the second level
Agitator arm (9) includes the wheel seat (91) being fixed on the outside of shaft (8), is equipped with inside the wheel seat (91) several interconnected
Flow over hole (93) and vertical through-hole (94), and shredder bar (95) and agitation are separately installed in the crossing current hole (93) and vertical through-hole (94)
Leaf (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230435.1U CN209228646U (en) | 2018-12-28 | 2018-12-28 | A kind of sucking blending device of heavy oil wells submersible electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822230435.1U CN209228646U (en) | 2018-12-28 | 2018-12-28 | A kind of sucking blending device of heavy oil wells submersible electric pump |
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|---|---|
| CN209228646U true CN209228646U (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230435.1U Active CN209228646U (en) | 2018-12-28 | 2018-12-28 | A kind of sucking blending device of heavy oil wells submersible electric pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117552A (en) * | 2019-12-30 | 2021-07-16 | 中国石油化工股份有限公司 | Underground mixing device for heavy oil well |
| CN113153251A (en) * | 2021-02-07 | 2021-07-23 | 胜利油田胜利泵业有限责任公司 | Rotary shearing type polymer viscosity reduction device |
-
2018
- 2018-12-28 CN CN201822230435.1U patent/CN209228646U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113117552A (en) * | 2019-12-30 | 2021-07-16 | 中国石油化工股份有限公司 | Underground mixing device for heavy oil well |
| CN113153251A (en) * | 2021-02-07 | 2021-07-23 | 胜利油田胜利泵业有限责任公司 | Rotary shearing type polymer viscosity reduction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200930 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee after: Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co.,Ltd. Address before: 300 457 days, 16 floors, PetroChina Tianjin Building, 83 Second Avenue, Binhai New Area Economic and Technological Development Zone, Baodi District, Tianjin Patentee before: CNPC Bohai Petroleum Equipment Manufacturing Co.,Ltd. Patentee before: Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co.,Ltd. |
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| TR01 | Transfer of patent right |