CN2602200Y - Polyphase supercharging device - Google Patents
Polyphase supercharging device Download PDFInfo
- Publication number
- CN2602200Y CN2602200Y CN 02295031 CN02295031U CN2602200Y CN 2602200 Y CN2602200 Y CN 2602200Y CN 02295031 CN02295031 CN 02295031 CN 02295031 U CN02295031 U CN 02295031U CN 2602200 Y CN2602200 Y CN 2602200Y
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- impeller
- multiphase
- pump
- rotating shaft
- supercharging device
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Abstract
The utility model provides a multiphase pressurizer, which at least comprises an impeller and an interstep fluid state regulator; the exterior of the multiphase pressurizer is enclosed with a pump barrel, the impeller is fixed and arranged on a rotating shaft, the interstep fluid state regulator is fixed and arranged with the inner wall of the pump barrel through a connecting device and is sleeved on the rotating shaft, the interstep fluid state regulator and the outer surface of the rotating shaft are arranged with intervals. The structure of the utility model is simple; after borrowing the design methods from the pump and the compressor, and considering the multiphase fluid compressibility, the multiphase pump impeller blade profile with the optimization design can ensure that a long and quadrate passage and a larger flow passage curvature radius are provided among the blades, thus avoiding or deferring the gas-liquid phase state alternate segregation in the blade channel to a certain degree; at the same time, the interstep fluid state regulator can create a better multiphase pulse flow for the operation of the next pressure unit, thereby the performance of the multiphase pump under the multiphase transferring condition can be improved.
Description
Technical field:
The utility model relates to a kind of supercharging device, and the heterogeneous supercharging device of especially a kind of oil gas water belongs to machine-building and multiphase flow technical field.
Background technique:
The application of remote conveying in petroleum industry of the heterogeneous well stream of oil gas water is many, traditional gas, liquid separates, by pump and compressor respectively the supercharging mode of carrying still occupy main status, in some short-range mixed transporting tube lines, gas-liquid is mixed the mode of carrying respectively after the supercharging again and is also occupied sizable ratio, the heterogeneous supercharging technology of oil gas water that is to be suitable for The field of searching to the bottom is that the development of multiphase pump itself has sizable difficulty, and key is to seek a kind of heterogeneous supercharging device of taking into account pump and compressor performance.At present obtaining some preliminary achievements in research aspect the development of multiphase booster pump abroad, nearly 10 kinds of dissimilar multiphase pumps have been manufactured experimently, wherein the double-screw type multiphase mixing transmission pump produced such as the achievement in research screw axis streaming multiphase pump planned of the most representative sea God of being and German Bornemann pump industry company.The present existing part industrialization product of these two kinds of pumps, and be applied in land, offshore oilfield all over the world and the deep water oil field development.But up to the present, the performance of multiphase booster pump also can not satisfy the actual demand at scene, oil field far away, and on the one hand, because heterogeneous mobile complexity, and pump is to the dependence of fluidised form and gas content, and the using scope of multiphase pump also is subjected to certain limitation at present; Performance and the efficient of multiphase pump under high inlet gas liquor ratio operating mode all has much room for improvement on the other hand, when the spiral axial-flow pump reaches 50% when the inlet gas volume content, optimum efficiency only has an appointment 45%, and the double-screw type multiphase pump is relatively more responsive to solid particle on the one hand, volume is bigger simultaneously, surpass after 70% at the inlet gas volume content, its efficient also reduces rapidly, simultaneously multiphase pump also face anti-do change, sealing, a series of technical problem such as lubricated.With regard to the actual conditions of China, on the one hand, owing to abroad existing key technology product is holded in close confidence, on the other hand because China's oil product has high sticking, Gao Ning, contains sand, oil-gas ratio changes characteristics such as feature greatly, the external multiphase pump of introducing also occurs in the on-the-spot use in oil field and has run into series of technical, as problems such as the adaptability of multiphase pump convection, dried commentaries on classics, vibration, seal leakage, impurity axis.
Supercharging device major part in the existing suction booster is by screw rod or gear meshing, overstocks, and realizes pressurized effect by the mode that changes volume.The multiphase pump of domestic development is the positive displacement multiphase pump basically, with two spiral shell formula multiphase pumps is example, its typical feature is middle small flow, middle high pressure-charging, and the two screw pump multiphase pump experimental prototype that China develops at present mostly is middle low pressure charging, to the solid particle sensitivity, under equal design condition, compare its size and weight with blade mechanism all bigger; For traditional vane pump, because action of centrifugal force during high speed rotating, make that have fluid of different nature is easy to take place phase with gas and separates, thereby cause pump under the gas-liquid two-phase flow condition efficient sharply reduce even can not work, conventional centrifugal pump is when the inlet gas volume content reaches 4%, its efficient just reduces rapidly, can't turn round basically when the inlet gas volume content surpasses 10%; Axial-flow pump surpasses after 20% at inlet gas content substantially, and efficient sharply reduces up to losing boosting capability.
The model utility content:
The purpose of this utility model is, at the deficiencies in the prior art, provide a kind of heterogeneous supercharging device, takes into account pump and compressor performance, avoids or delays the generation that phase is separated between the Ye Daonei gas-liquid two-phase, improves heterogeneous transportation performance.
The purpose of this utility model is achieved by the following technical solution:
A kind of heterogeneous supercharging device, it is made up of impeller and inter-stage fluidised form regulator at least, and its outer peripheral is provided with pump case, and impeller is installed in the rotating shaft, inter-stage fluidised form regulator sets firmly by connection set and pump case inwall, and is set in the rotating shaft and with the rotating shaft outer surface and is provided with at interval.Described connection set is a sleeve, and sleeve outer wall is installed on the pump case inwall, and its inner wall sleeve is located on the inter-stage fluidised form regulator cylindrical.
Impeller adopts tapered wheel hub, and section is trapezoidal, and through hole is offered in its inside, and be provided with the keyway that impeller is connected with rotating shaft, on the outer wall circumference of impeller, be provided with one or more screw type blades, generally, its quantity is 3-6, and blade height is 20-60mm, and thickness is 3-10mm.
The outer surface of inter-stage fluidised form regulator is provided with the stator that is used to dredge fluid flow direction more than, and the hub ratio scope of this stator is 0.65-0.95.Generally, stator quantity is 6-15.
In sum, advantage of the present utility model is:
Take into account that multiphase pump impeller blade profile pump and compressor performance, after optimizing can guarantee to have very long square duct between blade, bigger runner radius of curvature, can improve the performance of multiphase pump under heterogeneous transport condition to a certain degree avoiding or delaying the generation that phase is separated between the Ye Daonei gas-liquid two-phase.
Description of drawings:
Fig. 1 is one of heterogeneous compress cell structural representation of the utility model;
Fig. 2 is the utility model blade wheel structure schematic representation;
Fig. 3 is the utility model inter-stage fluidised form controller structure schematic representation;
Fig. 4 is the utility model inter-stage fluidised form regulator sectional drawing;
Fig. 5 is two of the heterogeneous compress cell structural representation of the utility model.
Embodiment:
Below in conjunction with accompanying drawing the technical solution of the utility model is described in detail:
As Fig. 1, shown in Figure 5, this heterogeneous supercharging device 32, it is made up of impeller 321 and inter-stage fluidised form regulator 322 at least, its outer peripheral is provided with pump case 325, impeller 321 is installed in the rotating shaft 323, inter-stage fluidised form regulator 322 sets firmly by sleeve 324 and pump case 325 inwalls, and is set in the rotating shaft 323 and with rotating shaft 323 outer surfaces and is provided with at interval.
In each heterogeneous supercharging device 32, heterogeneous fluid obtains kinetic energy in the impeller 321 of high speed rotating, and the effect of inter-stage fluidised form regulator 322 is the kinetic energy of heterogeneous fluid is converted to the pressure energy, and play rectified action, the big air mass that is about to the previous stage discharge is smashed, to form uniform mixed flow, for the proper functioning of next stage impeller is given security.Impeller 321 and inter-stage fluidised form regulator 322 force the defeated medium of pump to move vertically, slow down effectively and suppressed the phase of gas-liquid two-phase medium in runner and separate, guarantee the equal uniform flow of gas-liquid two-phase in the pump, thereby improved pump service behaviour and efficient under the multiphase flow operating mode effectively.Compare with the single-phase pump of routine, the import gas content scope of its work is 0-100%, and the drop point of efficient meets or exceeds more than 50% at the import gas content.
The concrete structure of impeller 321 as shown in Figure 2.Wheel hub 3211 has certain tapering, blade 3212 is attenuation gradually from wheel hub 3211 to wheel rim, consider to take into account the mentality of designing of blade profile in pump or the compressor in the optimal design of blade profile, the pressure increasing velocity that guarantees moving aspect of longshore current and perpendicular flow direction is milder, to prevent or to slow down the generation of phase separation between gas-liquid two-phase.Because the mobile performance of choosing impeller of parameter has decisive role, and reasonable structural design can prevent effectively that gas-liquid two-phase from separating, and is the necessary condition that guarantees that two-phase is carried.Through demonstration repeatedly theoretical and experiment, the basic design parameters that provides blade is chosen scope and is seen Table 1, and these Parameter Optimization and rationally choosing provide assurance to assurance pump good working performance under the heterogeneous condition of oil gas water.The shape schematic representation of the cross section of blade 3212 as shown in Figure 3.The concrete shape of blade 3212 is thick near wheel hub, and the outer rim place is thin, and intermediate section is thicker than two ends.Shape in the shape of a spiral on impeller hub then.The quantity of normal conditions lower blade 3212 is 3-6.
In the blade type multiphase booster pump, near impeller 321 back inter-stage fluidised form regulator 322 is housed, its function is except eliminating impeller 321 outlet fluid circular rectors, the kinetic energy of fluid is converted to outside the pressure energy, can also utilize on it broken impeller 321 of effect of the shearing of the stator of installing 3221 to go out the air mass or the liquid plug of interruption-forming, adjust the gas-liquid two-phase fluid flowing state to a certain extent, for the proper functioning of next heterogeneous compress cell is given security.The diffusion degree of stator 3221 and blade profile will be according to the suction conditions of compression unit, and described suction condition comprises: conditions such as gas liquid ratio, suction pressure, and will decide according to the size of pump shaft rotating speed.In the blade type multiphase booster pump concrete structure of stator 3221 as shown in Figure 3, Figure 4, stator 3221 wheel hubs are cone structure, adopt the streamline method to carry out in the specific design.Generally, the blade quantity of stator is 6-15.
Consider the compressibility of gas, the front and back grade blade adopts different design parameters, before what design focus on avoid the phase between the gas-liquid to separate, so choosing with choosing of supercharging value of head coefficient is all more conservative, what design focal point of back is placed on and mixes in the supercharging, and design supercharging value is bigger.
The various design parameters of impeller 321 and stator 3221 and choosing value scope are shown in table 1-table 4.
Table 1 impeller geometric parameters numerical table
| Determine the impeller inlet parameter | ||||
| Title | Unit | Embodiment | The protection span | |
| 1 | Head coefficient | By similar value | 0.20 | 0.17-0.26 |
| 2 | Rim speed | m/s | 20 | |
| 3 | The impeller nominal diameter | mm | 150 | 60-250 |
| 4 | The wheel rim slenderness ratio | 0.3 | 0.2-0.56 | |
| 5 | Axial length | mm | 50 | 40-80 |
| 6 | The wheel hub inlet diameter | mm | 100 | 40-230 |
| 7 | The wheel hub outlet diameter | mm | 120 | 50-240 |
| 8 | Average inlet diameter | mm | 125 | |
| 9 | The wheel hub semi-cone angle | 11° | 7°-12° | |
| 10 | Average outlet diameter | mm | 140 | |
| 11 | The number of blade | Fixed | 3 | 3-6 |
| 12 | The import hub ratio | 0,67 | 0.65-0.95 |
| Table 2 impeller laying angle parameter list | ||||
| Title | Unit | Embodiment | The protection span | |
| 1 | The import axis plane velocity | m/s | 0.54 | |
| 2 | The outlet axis plane velocity | m/s | 0.71 | |
| 3 | Import average diameter peripheral velocity | m/s | 19 | |
| 4 | Outlet average diameter peripheral velocity | m/s | 21 | |
| 5 | The absolute velocity circumferential components of outlet average diameter | m/s | 5 | |
| 6 | The relative flow angle of import | 2° | 2.5°-7° | |
| 7 | Export relative flow angle | 4° | 3°-9° | |
| 8 | The relative flow angle of import wheel rim | 1.5° | 2°-7° | |
| 9 | The wheel rim stagger angle | β y1＝6.9° | ||
| 10 | The wheel hub stagger angle | 10° | 5°-18° | |
| 11 | The wheel rim exit installation angle | Fixed | 12° | 8°-16° |
| 12 | The wheel hub exit installation angle | 14° | 10°-35° | |
| The wing laying angle of table 3, cornerite and radius of curvature | ||||
| Title | Unit | Embodiment | The protection span | |
| 1 | Wheel rim section laying angle | 10° | 6°-18° | |
| 2 | The wing chord length of wheel rim section | mm | 290 | 200-400 |
| 3 | Wheel rim section folding guiding journey | mm | 105 | 30-140 |
| 4 | Wheel rim section cornerite | 192° | 120°-320° | |
| 5 | Wheel hub section laying angle | 13° | 7°-24° | |
| 6 | Wheel hub section chord length | mm | 210 | 140-320 |
| 7 | The wheel rim cascade solidity | 2.2 | 1.6-2.5 |
Table 4 stator geometric parameters numerical table
| Parameter | Multiphase pump stator obtaining value method | Embodiment | Remarks |
| Impeller nominal diameter Dt | Dt is identical with impeller | Dt＝150mm | |
| Stator wheel hub inlet diameter dh 1 | With impeller outlet diameter d h 2Identical | Dh2＝120mm | |
| Stator outlet diameter dh 2 * | With impeller inlet diameter d h 1Identical | Dh1＝100mm | |
| Number of blade Z | 6-25 | 14 | Relatively prime with the impeller blade number |
| Stator and impeller axial spacing | (0.02～0.10)Dt | 0.03 | Excesssive gap easily causes hydraulic loss, the gap is too little, easily produces fluctuation of service |
| Diffuser angle of flare θ * | 6 °～10° | 8° | Can be smaller |
| Inlet incidence angle Δ α | 3°～5° | 4.2° | Should consider the operating range of the flow that multiphase pump is possible |
| Blade axial length e | e＝(0.3～0.4)D tRelevant with number of blade Z and L/t | 60 |
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1, a kind of heterogeneous supercharging device, it is characterized in that: it is made up of impeller and inter-stage fluidised form regulator at least, and its outer peripheral is provided with pump case, and impeller is installed in the rotating shaft, inter-stage fluidised form regulator sets firmly by connection set and pump case inwall, and is set in the rotating shaft and with the rotating shaft outer surface and is provided with at interval.
2, heterogeneous supercharging device according to claim 1 is characterized in that: described connection set is a sleeve, and sleeve outer wall is installed on the pump case inwall, and its inner wall sleeve is located on the inter-stage fluidised form regulator cylindrical.
3, heterogeneous supercharging device according to claim 1, it is characterized in that: described impeller adopts tapered wheel hub, and section is trapezoidal, and through hole is offered in its inside, and be provided with the keyway that impeller is connected with rotating shaft, on the outer wall circumference of impeller, be provided with one or more screw type blades.
4, heterogeneous supercharging device according to claim 3 is characterized in that: described blade quantity is 3-6.
5, according to claim 3 or 4 described heterogeneous supercharging devices, it is characterized in that: described blade height is 20-60mm, and thickness is 3-10mm.
6, heterogeneous supercharging device according to claim 1 is characterized in that: the outer surface of described inter-stage fluidised form regulator is provided with the stator that is used to dredge fluid flow direction more than, this stator the hub ratio scope be 0.65-0.95.
7, heterogeneous supercharging device according to claim 6 is characterized in that: described stator quantity is 6-15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295031 CN2602200Y (en) | 2002-12-30 | 2002-12-30 | Polyphase supercharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295031 CN2602200Y (en) | 2002-12-30 | 2002-12-30 | Polyphase supercharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602200Y true CN2602200Y (en) | 2004-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02295031 Expired - Fee Related CN2602200Y (en) | 2002-12-30 | 2002-12-30 | Polyphase supercharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602200Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767522A (en) * | 2011-05-03 | 2012-11-07 | 许承革 | Screw blade air compressor manufactured by aeronautic technology |
| CN102865138A (en) * | 2012-10-18 | 2013-01-09 | 关松生 | Gas turbine with rotary-blade vane pumps |
| CN107965473A (en) * | 2016-10-19 | 2018-04-27 | Ifp新能源公司 | Including the diffuser at least one blade, for fluid compressing device with opening |
| CN108252927A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | A kind of horizontal type multi-stage pump |
| CN108970222A (en) * | 2017-11-19 | 2018-12-11 | 黄得锋 | A kind of booster-type filter device |
| CN110107510A (en) * | 2019-06-10 | 2019-08-09 | 胜利油田高原石油装备有限责任公司 | A kind of multi-functional mixing pump |
| CN110513325A (en) * | 2019-09-17 | 2019-11-29 | 兰州理工大学 | A kind of spiral axial-flow impeller of pump reversely thickening splitterr vanes with postposition |
| CN110613874A (en) * | 2019-09-27 | 2019-12-27 | 王艳平 | Traditional chinese medicine liquid medicine atomization plant of dermatology |
| CN112354927A (en) * | 2020-03-29 | 2021-02-12 | 苏州市臻湖流体技术有限公司 | Intelligent cleaning linear pump |
| CN117366008A (en) * | 2023-10-31 | 2024-01-09 | 兰州理工大学 | Multiphase mixed transmission impeller with high light and heavy phase separation resistance |
-
2002
- 2002-12-30 CN CN 02295031 patent/CN2602200Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767522A (en) * | 2011-05-03 | 2012-11-07 | 许承革 | Screw blade air compressor manufactured by aeronautic technology |
| CN102865138A (en) * | 2012-10-18 | 2013-01-09 | 关松生 | Gas turbine with rotary-blade vane pumps |
| CN107965473A (en) * | 2016-10-19 | 2018-04-27 | Ifp新能源公司 | Including the diffuser at least one blade, for fluid compressing device with opening |
| CN108970222A (en) * | 2017-11-19 | 2018-12-11 | 黄得锋 | A kind of booster-type filter device |
| CN108252927A (en) * | 2017-12-11 | 2018-07-06 | 安徽颐博思泵业有限责任公司 | A kind of horizontal type multi-stage pump |
| CN110107510A (en) * | 2019-06-10 | 2019-08-09 | 胜利油田高原石油装备有限责任公司 | A kind of multi-functional mixing pump |
| CN110513325A (en) * | 2019-09-17 | 2019-11-29 | 兰州理工大学 | A kind of spiral axial-flow impeller of pump reversely thickening splitterr vanes with postposition |
| CN110513325B (en) * | 2019-09-17 | 2020-10-27 | 兰州理工大学 | Spiral axial-flow pump impeller with postposition reverse thickening splitter blade |
| CN110613874A (en) * | 2019-09-27 | 2019-12-27 | 王艳平 | Traditional chinese medicine liquid medicine atomization plant of dermatology |
| CN110613874B (en) * | 2019-09-27 | 2021-06-22 | 韦方丽 | Traditional chinese medicine liquid medicine atomization plant of dermatology |
| CN112354927A (en) * | 2020-03-29 | 2021-02-12 | 苏州市臻湖流体技术有限公司 | Intelligent cleaning linear pump |
| CN112354927B (en) * | 2020-03-29 | 2021-09-07 | 苏州市臻湖流体技术有限公司 | Intelligent cleaning linear pump |
| CN117366008A (en) * | 2023-10-31 | 2024-01-09 | 兰州理工大学 | Multiphase mixed transmission impeller with high light and heavy phase separation resistance |
| CN117366008B (en) * | 2023-10-31 | 2024-03-12 | 兰州理工大学 | Multiphase mixed transmission impeller with high light and heavy phase separation resistance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |