CN210003510U - multifunctional mixed transportation pump - Google Patents
multifunctional mixed transportation pump Download PDFInfo
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- CN210003510U CN210003510U CN201920863360.2U CN201920863360U CN210003510U CN 210003510 U CN210003510 U CN 210003510U CN 201920863360 U CN201920863360 U CN 201920863360U CN 210003510 U CN210003510 U CN 210003510U
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Abstract
The utility model relates to a petroleum machinery equips technical field, specifically disclose multi-functional defeated pumps that mix, a serial communication port, including the pump barrel, the pump shaft, suction head and discharge head, the suction head is connected to the lower extreme of pump barrel, the discharge head is connected to the upper end of pump barrel, top-down is equipped with guide pulley and impeller in proper order in the pump barrel intracavity, the lower terminal surface of guide pulley contacts with the up end of impeller, all be equipped with the shaft hole with the pump shaft adaptation on suction head, discharge head, impeller and the guide pulley, the pump shaft penetrates the pump barrel intracavity along the axis of pump barrel, and pass the shaft hole of suction head, guide pulley, impeller and discharge head in proper order, pump shaft and impeller fixed connection, the pump shaft respectively with suction head, leave the activity clearance between the shaft hole of guide pulley and discharge head, the utility model has the effect that heterogeneous stream or high viscosity liquid are defeated with mixing, the transport high temperature that can be fine, high solid content or rich in gaseous liquid medium, the jam is eliminated to the at utmost, cavitation, has the characteristics that operation adaptability, reliable high, pump.
Description
Technical Field
The invention relates to the technical field of petroleum machinery equipment, in particular to an multifunctional mixing and conveying pump.
Background
At present, the crude oil is transported and is adopted the oil-submerged pump as power unit, and current oil-submerged pump is the multistage centrifugal pump structure, mainly comprises impeller, guide shell, pump shaft, pump casing and upper and lower joint etc. and has made the contribution for oil mixed transportation oil recovery, but it has following shortcoming or not enough simultaneously:
① when the gas content of the multi-phase liquid is large, it is easy to generate gas lock, so the pump can not work;
② when conveying high viscosity medium and solid particle medium, the pump efficiency is low, even affected by high viscosity, the pump can not work normally;
③ is not suitable for harsh working conditions, and is applied to occasions with gas, solid particles, large viscosity and the like in the medium, and the performance of the pump is seriously reduced;
④ has high requirement on the medium state and poor adaptability to the mediums with different proportions of multiphase fluid.
Wherein the multiphase fluid is a fluid comprising a wide range of mixtures of at least gas phases or liquid phases or two or more of the following components:
(a) a gas phase;
(b) a liquid phase;
(c) a highly viscous phase;
(d) a vapor phase;
(e) entrained solids, such as sand, rust or organic deposits.
The gas phase may be a mixture of hydrocarbon gas and non-hydrocarbon impurities such as nitrogen, hydrogen sulfide and carbon dioxide.
The liquid phase may be a mixture of normal crude oil and water.
And the fluid lifted by manpower often has high viscosity or multiphase flow in nature, so the problems of low working efficiency and poor power output stability of the existing adopted submersible pump under the working conditions are difficult to solve.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides multifunctional mixing and conveying pumps which can well convey high-viscosity high-temperature high-solid content or gas-rich liquid media and fundamentally eliminate the phenomena of blockage, cavitation and gas lock to the greatest extent.
The invention has the technical scheme that multifunctional mixing and transporting pumps are characterized by comprising a pump cylinder, a pump shaft, a suction head and a discharge head;
the pump comprises a pump barrel, a suction head, a discharge head, a guide wheel, an impeller, shaft holes, a pump shaft and a pump shaft, wherein the lower end of the pump barrel is connected with the suction head, the upper end of the pump barrel is connected with the discharge head, the guide wheel and the impeller are sequentially arranged in a cavity of the pump barrel from top to bottom, the lower end face of the guide wheel is in contact with the upper end face of the impeller, the suction head, the discharge head, the impeller and the guide wheel are all provided with shaft holes matched with the pump shaft, the shaft holes and the pump barrel are all located on the same axis, the pump shaft penetrates through the cavity of the pump barrel along the axis of the pump barrel and sequentially penetrates through the shaft holes of the suction head, the;
a plurality of longitudinal guide vanes are arranged on the outer circumference of the guide wheel, the outer edges of the guide vanes are fixedly connected with the inner wall of the pump barrel, and a longitudinal fluid channel is formed between the guide wheel and the pump barrel through the guide vanes;
the spiral flow passage is formed between the impeller and the pump barrel through the spiral blades, and an outlet of the spiral flow passage is communicated with an inlet of the longitudinal fluid passage.
The guide vane presents a curved surface smoothly transiting from a curved section to a straight line section from the inlet end of the guide vane to the outlet end of the guide vane, and the curved surface faces the outlet direction of the spiral flow channel.
The guide vanes are 4-20 pieces and surround the outer circumference of the guide wheel at equal intervals.
The impeller is provided with a single-head spiral blade which is integral blades and surrounds the outer circumference of the impeller in a spiral step shape.
The impeller is provided with multi-head spiral blades, the multi-head spiral blades are four blades, and the four blades are distributed on the outer circumference of the impeller at intervals along a surrounding path which is the same as spiral steps.
The shaft hole of the impeller is provided with a key groove, and the pump shaft is provided with a key matched with the key groove.
The impellers and guide wheels are groups of power mechanisms, and the multiple groups of power mechanisms are overlapped, arranged and combined along the axis of the pump cylinder.
The power mechanism is 1-700 groups.
Compared with the prior art, the invention has the following advantages:
the invention can be used for multiphase flow or high-viscosity liquid mixed transportation in various different proportion states, can well transport high-viscosity, high-temperature, high-solid content or gas-rich liquid medium, and radically eliminates the phenomena of blockage, cavitation and gas lock to the greatest extent, and has the characteristics of strong operation adaptability, high reliability, high pump efficiency, energy conservation and the like.
The spiral blades are arranged on the outer circumference of the impeller, and a spiral flow channel is formed between the impeller and the pump barrel through the spiral blades, the length of the suction flow channel is increased due to the design of the spiral flow channel, and the power for sucking fluid is improved, so that the high-viscosity fluid or the fluid containing particle impurities has stable conveying power;
the guide wheel is provided with a plurality of longitudinal guide vanes on the outer circumference, and the guide vanes divide the flow channel in the pump cylinder cavity into a plurality of small longitudinal fluid passages, when multiphase flow enters the pump cylinder cavity, the multiphase flow is divided by the guide vanes and then rapidly passes through the small fluid passages, so that the problem that the pump fails due to air lock generated by gas aggregation after the multi-directional flow enters the pump cylinder cavity is solved;
meanwhile, due to the design of the spiral flow channel and the longitudinal fluid channel, the cavitation phenomenon caused by the hollow vortex of the fluid in the cavity of the pump cylinder can be avoided, and the reliability and the stability of the pump body are improved.
Drawings
FIG. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is a schematic structural view of a single-ended helical blade on an impeller;
FIG. 3 is a schematic view of a multi-start helical blade structure on an impeller;
FIG. 4 is a schematic view of the structure of the guide wheel;
in the figure: 1. the device comprises a suction head, 2, an impeller, 3, a guide wheel, 4, a pump barrel, 5, a pump shaft, 6, a discharge head, 7, a single-end helical blade, 8, a helical flow channel, 9, a key groove, 10, an impeller shaft hole, 11, a multi-head helical blade, 12, a guide vane, 13, a longitudinal fluid channel, 14, a guide inlet end, 15 and a guide outlet end.
Detailed Description
The invention is further illustrated in with reference to the following figures and examples.
Example 1
Referring to fig. 1 to 4, kinds of multi-functional mixing pumps include a pump barrel 4, a pump shaft 5, a suction head 1, and a discharge head 6.
The lower end of the pump cylinder 4 is connected with the suction head 1, the upper end of the pump cylinder 4 is connected with the discharge head 6, the guide wheel 3 and the impeller 2 are sequentially arranged in the cavity of the pump cylinder 4 from top to bottom, and the lower end face of the guide wheel 3 is contacted with the upper end face of the impeller 2.
The suction head 1, the discharge head 6, the impeller 2 and the guide wheel 3 are respectively provided with a shaft hole matched with the pump shaft 5, the shaft holes on the suction head 1, the discharge head 6, the impeller 2 and the guide wheel 3 are respectively positioned on the same axial line with the pump barrel 4, and the pump shaft 5 penetrates through the cavity of the pump barrel 4 along the axial line of the pump barrel 4 and sequentially penetrates through the shaft holes of the suction head 1, the guide wheel 3, the impeller 2 and the discharge head 6.
The pump shaft 5 is fixedly connected with the impeller 2, specifically, a key groove 9 is arranged on an impeller shaft hole 10, a key matched with the key groove 9 is arranged on the pump shaft 5, and the impeller 2 is driven to rotate by the rotation of the pump shaft 5.
And movable gaps are reserved between the pump shaft 5 and shaft holes of the suction head 1, the guide wheel 3 and the discharge head 6 respectively, and the pump shaft 5 can rotate in the shaft holes of the suction head 1, the guide wheel 3 and the discharge head 6.
The outer circumference of the guide wheel 3 is provided with a plurality of longitudinal guide vanes 12, the outer edges of the guide vanes 12 are fixedly connected with the inner wall of the pump cylinder 4, a plurality of small longitudinal fluid passages 13 are formed between the inner cavity of the pump cylinder 4 and the guide wheel at intervals through the guide vanes 12, and the longitudinal fluid passages 13 avoid the cavitation phenomenon caused by the hollow vortex generated by the fluid in the inner cavity of the pump cylinder 4.
The outer circumference of the impeller 2 is provided with helical blades, the outer edges of the helical blades are contacted with the inner wall of the pump barrel 4, a helical flow passage 8 is formed between the impeller 2 and the pump barrel 4 through the helical blades, the outlet of the helical flow passage 8 is communicated with the inlet of the longitudinal fluid passage 13, the design of the helical flow passage 8 enables fluid to form a helical upward driving force on the outer circumference of the impeller 2, and meanwhile, the hollow vortex is prevented from appearing in the inner cavity of the pump barrel 4;
the impeller 2 can be a single-end helical blade 7 or a multi-end helical blade 11, the single-end helical blade 7 is integral blades and surrounds the outer circumference of the impeller 2 in a helical step shape;
the multi-head helical blade 11 is more than four blades and is distributed on the outer circumference of the impeller 2 at intervals along the surrounding path which is spirally stepped with .
The working principle is as follows: the impeller 2 is driven by the pump shaft 5 to rotate at high speed, fluid enters the spiral flow channel 8 from the suction head 1, the fluid is pushed upwards by the spiral blades of the impeller 2 to enter the guide wheel 3, and the fluid enters the discharge head 6 through the longitudinal fluid channel 13 between the guide blades 12 and is discharged from the discharge port.
The spiral blades are arranged on the outer circumference of the impeller 2, the spiral flow channel 8 is formed between the impeller 2 and the pump barrel 4 through the spiral blades, the length of the flow channel is increased due to the design of the spiral flow channel 8, the power for sucking fluid is improved, and therefore the stable output power is provided for the fluid with high viscosity or containing particle impurities;
a plurality of longitudinal guide vanes 12 are arranged on the outer circumference of the guide wheel 3, and the flow channels in the cavity of the pump cylinder 4 are divided into a plurality of small longitudinal fluid passages 13 by the guide vanes 12, when multiphase flow passes through the guide wheel 3 in the pump cylinder 4, the multiphase flow is divided by the guide vanes 12 and then passes through the small fluid passages, so that the condition that gas is gathered to generate gas lock to cause pump failure after the previous multi-directional flow enters the cavity of the pump cylinder 4 is avoided, and the working efficiency and the conveying stability are improved;
meanwhile, the spiral flow channel 8 and the longitudinal fluid channel 13 are designed to avoid cavitation caused by hollow vortex of fluid in the cavity of the pump barrel 4, so that the reliability and stability of the pump body are improved;
the invention can be used for multiphase flow or high-viscosity liquid mixed transportation in various different proportion states, can well transport high-viscosity, high-temperature, high-solid content or gas-rich liquid medium, eliminates the phenomena of blockage, cavitation and gas lock to the greatest extent, and has the characteristics of strong operation adaptability and high reliability.
Example 2
In the embodiment, on the basis of embodiment 1, a combination of impellers 2 and guide wheels 3 is set as power mechanisms, and the power mechanisms are overlapped, arranged and assembled on a pump shaft 5.
When the pump is assembled, the upper end surfaces of the impellers 2 in power mechanisms are in contact with the lower end surfaces of the adjacent guide wheels 3, the upper end surfaces of guide wheels 3 in two adjacent power mechanisms are in contact with the lower cross sections of the impellers 2 in , repeated overlapping can be realized, the height of the pump barrel 4 can be increased according to different output powers of the pump to install the power mechanism combining the impellers 2 and the guide wheels 3 in 1-700 stages, and the impellers 2 in the multiple power mechanisms are driven to rotate by the pump shaft 5 of the single , so that the pump has the characteristics of high pump efficiency and energy saving.
The working principle is as follows:
the impeller 2 is driven by the pump shaft 5 to rotate at a high speed, fluid enters the spiral flow channel 8 from the suction head 1, the fluid is pushed upwards by the spiral blades of the impeller 2 to enter the guide wheel 3, then the fluid enters the impeller 2 and the guide wheel 3 of the lower -level power mechanism through the longitudinal fluid channel 13 between the guide blades 12, and the like until the fluid enters the discharge head 6 and is discharged upwards from the discharge head 6.
Example 3
In the embodiment, on the basis of embodiment 1, the longitudinal guide vanes 12 arranged on the outer circumference of the guide wheel 3 are specifically 4-20, and the guide vanes 12 are wound on the outer circumference of the guide wheel 3 at equal intervals;
the guide vane 12 presents a curved surface smoothly transiting from a curved section to a straight section from the guide inlet end 14 to the guide outlet end 15, and the curved surface faces the outlet direction of the spiral flow channel 8, so that the flow direction of the fluid is facilitated, and the fluid is more convenient to directly enter the longitudinal fluid channel 13 after leaving the spiral flow channel 8.
Claims (8)
1, kinds of multi-functional mixing transportation pump, wherein including pump cylinder, pump shaft, suction head and discharge head;
the pump comprises a pump barrel, a suction head, a discharge head, a guide wheel, an impeller, shaft holes, a pump shaft and a pump shaft, wherein the lower end of the pump barrel is connected with the suction head, the upper end of the pump barrel is connected with the discharge head, the guide wheel and the impeller are sequentially arranged in a cavity of the pump barrel from top to bottom, the lower end face of the guide wheel is in contact with the upper end face of the impeller, the suction head, the discharge head, the impeller and the guide wheel are all provided with shaft holes matched with the pump shaft, the shaft holes and the pump barrel are all located on the same axis, the pump shaft penetrates through the cavity of the pump barrel along the axis of the pump barrel and sequentially penetrates through the shaft holes of the suction head, the;
a plurality of longitudinal guide vanes are arranged on the outer circumference of the guide wheel, the outer edges of the guide vanes are fixedly connected with the inner wall of the pump barrel, and a longitudinal fluid channel is formed between the guide wheel and the pump barrel through the guide vanes;
the spiral flow passage is formed between the impeller and the pump barrel through the spiral blades, and an outlet of the spiral flow passage is communicated with an inlet of the longitudinal fluid passage.
2. The multi-functional multiphase pump of claim 1, wherein: the guide vane presents a curved surface smoothly transiting from a curved section to a straight line section from the inlet end of the guide vane to the outlet end of the guide vane, and the curved surface faces the outlet direction of the spiral flow channel.
3. The multi-functional multiphase pump of claim 2, wherein: the guide vanes are 4-20 pieces and surround the outer circumference of the guide wheel at equal intervals.
4. The multifunctional mixing and transporting pump as claimed in claim 1, wherein the impeller is provided with a single-end helical blade which is integral blades and surrounds the outer circumference of the impeller in a helical step shape.
5. The multifunctional mixing pump as claimed in claim 1, wherein the impeller is provided with a plurality of helical blades, the plurality of helical blades are four blades, and the four blades are distributed on the outer circumference of the impeller at intervals along a surrounding path which is the same as helical steps.
6. The multi-functional multiphase pump of claim 1, wherein: the shaft hole of the impeller is provided with a key groove, and the pump shaft is provided with a key matched with the key groove.
7. The multifunctional mixing and transporting pump as claimed in claim 1, wherein the impellers and the guide wheels are sets of power mechanisms, and the multiple sets of power mechanisms are overlapped, arranged and combined along the axis of the pump barrel.
8. The multi-functional multiphase pump of claim 7, wherein: the power mechanism is 1-700 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920863360.2U CN210003510U (en) | 2019-06-10 | 2019-06-10 | multifunctional mixed transportation pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920863360.2U CN210003510U (en) | 2019-06-10 | 2019-06-10 | multifunctional mixed transportation pump |
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| Publication Number | Publication Date |
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| CN210003510U true CN210003510U (en) | 2020-01-31 |
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| CN201920863360.2U Active CN210003510U (en) | 2019-06-10 | 2019-06-10 | multifunctional mixed transportation pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210114 Address after: No.171 Fenhe Road, Dongying District, Dongying City, Shandong Province 257091 Patentee after: Shandong Plateau oil and gas equipment Co.,Ltd. Address before: 257091 82 Fuqian street, Dongying District, Dongying City, Shandong Province Patentee before: SHENGLI OILFIELD HIGHLAND PETROLEUM EQUIPMENT Co.,Ltd. |