CN1068400A - Numerically-controlled flooding booster pump - Google Patents
Numerically-controlled flooding booster pump Download PDFInfo
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- CN1068400A CN1068400A CN 91104356 CN91104356A CN1068400A CN 1068400 A CN1068400 A CN 1068400A CN 91104356 CN91104356 CN 91104356 CN 91104356 A CN91104356 A CN 91104356A CN 1068400 A CN1068400 A CN 1068400A
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Abstract
A kind of numerically-controlled flooding booster pump, form by centrifugal water pump and drive motor, wherein drive motor is the shielding rare-earth rotor synchronous machine that its rotating shaft and pump shaft are linked to be an integral body, its rotor is with two utmost points or the multisegmented rotor of rare earth permanent-magnetic material as magnet, one deck cylinder type shielding spacer is arranged between stator and rotor, rotor is sealed in the housing inner chamber with the synthetic seal space of pump, makes that liquid is unlikely in the pump chamber leaks.As promoting this equipment, can change injection pipe network into the terminal injection allocation, energy efficient and raising service life of equipment in the oil field.
Description
The present invention relates to a kind of field produces field apparatus, exactly, relate to a kind of numerically-controlled flooding booster pump, belong to oil field flood pattern terminal supercharging device technical field.
Flood pattern is the maximum power consumption user of field produces, and the daily water-injection rate in each oil field, the whole nation has reached 1,900,000 cubes, about 1,500 ten thousand degree of day power consumption.And the pressure of each water injection well requirement water filling of oilfield well network is not wait, and traditional flood pattern is to satisfying the needed hydraulic pressure of water injection well that the needs water injection pressure is the highest in each oil well the boost in pressure in the flood pattern pipe network.Then at water distribution plant, according to the injection allocation parameter of each water injection well, control the injection amount of each mouthful well with the way of valve throttle, through after the water distribution plant, the hydraulic pressure in the injection pipe network just has been reduced to the required injection pressure of each well.This conventional method can be referred to as terminal throttling voltage drop method, and its unreasonable part is exactly that energy consumption is too high, and a large amount of electric power is used for making the hydraulic pressure in the network of rivers to raise, and this energy has been consumed in vain by valve throttle again.
A kind of controlled supercharging injection allocation equipment-numerically-controlled flooding booster pump that the objective of the invention is the disadvantage of above-mentioned flood pattern for a change and provide.
The present invention is constituted by centrifugal water pump and its drive motor, and main feature is that drive motor is the shielding rare-earth rotor synchronous machine that its rotating shaft and pump shaft are linked to be an integral body.Its rotor is with two utmost points (or multipole) rotor of rare earth permanent-magnetic material as magnet, one deck cylindrical shape shielding spacer is arranged between stator and rotor, rotor is sealed in pump chamber synthesizes in the housing inner chamber of a seal space, make unlikely the leaking of liquid in the pump chamber.
As applying the present invention in the oil field, just the terminal throttling step-down injection allocation method in the traditional waterflood pipe network can be changed into advanced terminal supercharging injection allocation method, the pressure that is about to the total pipe network of flood pattern drops to about 10 MPas (MPa), then at water distribution plant, according to the injection allocation parameter control suction booster of each water injection well, pressure is brought up to the needed hydraulic pressure of injection well.Can eliminate the terminal energy consumption of valve throttle like this, on the one hand; Because the hydraulic pressure in the injection pipe network descends, just can on original injection pipe network basis, undergo technological transformation, and prolong its working life on the other hand whole water filling flow process, pipeline; And, then can reduce the capital investment of flood pattern to newly-built pipe network.Moreover because main pumping station promotes after the lift decline, the specific speed of water pump improves, and mechanical efficiency also can correspondingly improve, and this can make power consumption decrease again.In addition, because the present invention adopts rare-earth synchronous motor to drive, can with the supporting use of numerical control frequency-changing power source (for example PWM type inverter), and synchronous with power supply frequency, as long as the control variable-frequency power sources just can be controlled the working state of motor, and then the operating mode of STOCHASTIC CONTROL pump.After including the injection pipe network of petroleum production system in, can adjust output hydraulic pressure and flow at any time, also promptly become variable working condition equipment, can satisfy the production demand better and accomplish energy-saving and production-increase.
Fig. 1 is a structural representation of the present invention.
The present invention is the device that is constituted by centrifugal pump and its drive motor, and wherein centrifugal pump can be a single-stage, also can be multistage.In order to simplify, shown in Figure 1 is the structure of one-stage centrifugal water pump and driving source, and multistage pump structure therewith roughly the same.The left side is a single-stage water pump 1 among the figure, and wherein 2 is pump case, the 3rd, and pump cover, the 4th, impeller, the 5th, vane rings, the 6th, the pump shaft that fuses with motor shaft.Centrifugal pump structure is similar to conventional water pump, and the main distinction just is that its drive motor is the shielding rare-earth rotor synchronous machine 7 that is linked to be an integral body with the rotating shaft of pump.Here 10 is staor winding, the 11st, stator iron core, the 12nd, stator casing, the 13rd, fan electromotor, the 14th, cooling fan, the stationary part structure of this motor is identical with common squirrel-cage Wechselstrommotor, and its difference is to have between stator 10 and rotor 16 one deck cylinder type shielding spacer 15 that both are separated with rotor with rare earth permanent-magnetic material as magnet.The left side of housing 15 has valve to link to each other with the pump housing, and rotor 16 is sealed in the housing inner chamber.Shielding spacer 15 is to adopt the austenite nonmagnetic substance to make, because the electric machine structure design aspect, the wall thickness of housing can not be too big, but again bearing pump body suction side up to the impact of the above highly pressurised liquid of 10 MPas (MPa), so, need select for use High Strength Steel to make.Housing and stator are with epoxy resin or other similar material embeddings in addition, and making it becomes a bearing integral with rotor.The rotor 16 of this motor is the solid Cylinder with any surface finish with the higher steel making of good magnetic property and rigidity.In the middle of this Cylinder, there be two or more filling up to lay the slotted eye 17 of rare-earth permanent magnet as magnetic pole, the rare-earth magnet 17 that is formed by a plurality of laminar rare earth monomer cementation laminateds just fills up and is placed in this slotted eye, and all being sealed in 16 li of rotors, the distributed polar rotor of similar asynchronous motor magnetizes the back as magnetic pole; Not resembling needs current sinking the electromagnetic pole, has also saved a large amount of non-ferrous metals.And owing to do not have power consumption in the rotor, also therefore heating needn't be considered the cooling problem of rotor, and biggest advantage be the rare-earth rotor synchronous machine can with the supporting use of DCPS digitally controlled power source, can regulate power supply frequency at random and control output operating mode of the present invention.
After housing 15 and the stator embedding, cavity between the two should be inserted bulking agent 18, make the shielding spacer become the Pressure Container of a sealing, shielding is after distolateral flange 19 and pump housing connection, pump chamber just forms a seal space with the housing inner chamber, pump the rotor shaft of rotating shaft 6 and motor fuse, with rotor be an integral body, all in same seal space, work, liquid that can not in the pump chamber is to external leakage, therefore this pump does not need to refill and puts mechanical seal, just can work under very high suction pressure condition, is specially adapted to the oil-field flooding supercharging.The block bearing 8 and the thrust bearing 9 of rotor all should be selected water lubriucated bearing for use.
Because drive motor becomes one after installing by the flange 19 and the pump housing, just do not need special motor cabinet and the basis is installed, as long as with after waterflood-transmission line is connected, the present invention has just fixedly mounted, and its mechanical structure and installation procedure are greatly simplified with the import and export flange of pump.
The present invention's use that matches with DCPS digitally controlled power source just can be adjusted its output hydraulic pressure according to the injection allocation parameter of each water injection well, becomes the ideal equipment of the controlled supercharging injection allocation of terminal.Its drive motor is simple in structure, less energy consumption, but have the characteristic of synchronous numerical-control motor, organically be unified into an integral body with the pump housing, and simplification mechanical structure, the basis is installed, especially the fundamental change that the flood pattern of whole oil filed is carried out electromechanical integration provides material equipment.
Claims (4)
1, a kind of numerically-controlled flooding booster pump, form by centrifugal water pump and its drive motor, it is characterized in that drive motor is the shielding rare-earth rotor synchronous machine that its rotating shaft and pump shaft are linked to be an integral body, its rotor is with two utmost points (or multipole) rotor of rare earth permanent-magnetic material as magnet, one deck cylindrical shape shielding spacer is arranged between stator and rotor, rotor is sealed in the housing inner chamber with the synthetic seal space of pump chamber, makes that liquid is unlikely in the pump chamber leaks.
2, numerically-controlled flooding booster pump according to claim 1, but it is characterized in that the centrifugal water pump single-stage, also can be multistage.
3, numerically-controlled flooding booster pump according to claim 1 is characterized in that the supporting of rotor and thrust bearing are water lubriucated bearing.
4, numerically-controlled flooding booster pump according to claim 1 is characterized in that shielding spacer and makes with the austenite nonmagnetic substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104356 CN1068400A (en) | 1991-07-09 | 1991-07-09 | Numerically-controlled flooding booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91104356 CN1068400A (en) | 1991-07-09 | 1991-07-09 | Numerically-controlled flooding booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1068400A true CN1068400A (en) | 1993-01-27 |
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ID=4906563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91104356 Pending CN1068400A (en) | 1991-07-09 | 1991-07-09 | Numerically-controlled flooding booster pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1068400A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812572A (en) * | 2010-04-03 | 2010-08-25 | 大连理工大学 | Vacuum heat expansion forming process of rotor shielding sleeve of nuclear main pump |
| CN105333009A (en) * | 2015-12-09 | 2016-02-17 | 南京磁谷科技有限公司 | Magnetic suspension bearing isolation rotor structure |
| CN106968970A (en) * | 2007-06-05 | 2017-07-21 | 瑞思迈发动机及马达技术股份有限公司 | Air blower with bushed bearing |
| CN111478526A (en) * | 2020-04-16 | 2020-07-31 | 无锡佳煦成智能科技有限公司 | Implementation method for improving high pressure resistance of canned motor pump |
-
1991
- 1991-07-09 CN CN 91104356 patent/CN1068400A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968970A (en) * | 2007-06-05 | 2017-07-21 | 瑞思迈发动机及马达技术股份有限公司 | Air blower with bushed bearing |
| US11293453B2 (en) | 2007-06-05 | 2022-04-05 | Resmed Motor Technologies Inc | Positive airway pressure device including blower and support system therefor |
| CN101812572A (en) * | 2010-04-03 | 2010-08-25 | 大连理工大学 | Vacuum heat expansion forming process of rotor shielding sleeve of nuclear main pump |
| CN105333009A (en) * | 2015-12-09 | 2016-02-17 | 南京磁谷科技有限公司 | Magnetic suspension bearing isolation rotor structure |
| CN105333009B (en) * | 2015-12-09 | 2018-04-06 | 南京磁谷科技有限公司 | Magnetic suspension bearing isolates rotor structure |
| CN111478526A (en) * | 2020-04-16 | 2020-07-31 | 无锡佳煦成智能科技有限公司 | Implementation method for improving high pressure resistance of canned motor pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |