CN102678577A - Split type assembled multistage high-lift single suction electrical submersible pump - Google Patents
Split type assembled multistage high-lift single suction electrical submersible pump Download PDFInfo
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- CN102678577A CN102678577A CN2012101259315A CN201210125931A CN102678577A CN 102678577 A CN102678577 A CN 102678577A CN 2012101259315 A CN2012101259315 A CN 2012101259315A CN 201210125931 A CN201210125931 A CN 201210125931A CN 102678577 A CN102678577 A CN 102678577A
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- submerged motor
- motor pumps
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Abstract
The invention provides a split type assembled multistage high-lift single suction electrical submersible pump, which belongs to the technical of electrical submersible pump manufacturing. The electrical submersible pump comprises an upper pump and a lower pump, wherein an upper reversing middle section is arranged at the bottom of the upper pump, a lower reversing middle section is arranged at the top of the lower pump, the rotating shaft of the upper pump and the rotating shaft of the lower pump are connected together through a connecting sleeve, and the upper reversing middle section and the lower reversing middle section are in bolted connection. The electrical submersible pump provided by the invention breaks the traditional integral type assembled structure, is designed according to the specification and model of the multistage high-lift electrical submersible pump and the stage number of the lift, and comprises the upper pump and the lower pump; and in case of need, the split type electrical submersible pump can be rapidly assembled into the integral pump, without affecting the hydraulic performance of the electrical submersible pump. The electrical submersible pump provided by the invention is convenient for processing, assembly, storage, transportation and field installation.
Description
Technical field
The present invention relates to a kind of Submerged Motor Pumps, the multistage high-lift single suction Submerged Motor Pumps of a kind of split type assembling specifically can guarantee the machining accuracy (coaxality) of pump shaft effectively.
Background technique
At present, the high-lift Submerged Motor Pumps of employed flame-proof mine all adopts integrated type to manufacture and design under the coal mine.No matter in the main pump room, or rescue and relief work uses high-lift Submerged Motor Pumps, under coal mine, in transportation and on-the-spot the installation, has many difficulties really, and is time-consuming.
Along with the increase of coal mine height, use the lift of Submerged Motor Pumps increasingly high under the coal mine.Like 1200 meters of lifts, 60 meters of single-stage lift need 20 grades of Submerged Motor Pumps assemblings, as pressing traditional integrated type assembly structure, about 6.5 meters of Submerged Motor Pumps height.The integrated type assembly structure also brings many difficulties to manufacturing firm except that making troubles to the user: the quenching with Subsequent tempering of (1) pump shaft and the various machinings of pump shaft bring difficulty, and straightness accuracy, coaxality and the machining accuracy of pump shaft are difficult to guarantee simultaneously.(2) assembling of Submerged Motor Pumps, storage, scheduling of production, carrying and deliver goods all bring many difficulties and inconvenience.So high-lift Submerged Motor Pumps integrated type assembly structure changes split type assembly structure into becomes the task of top priority.
Summary of the invention
Technical assignment of the present invention is the deficiency to existing technology; Flow to the configuration hydraulic flow according to Submerged Motor Pumps impeller three and Submerged Motor Pumps integrated type assembly structure has been carried out the structure innovative design, a kind of multistage high-lift single suction Submerged Motor Pumps of split type assembling is provided to principle.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of multistage high-lift single suction Submerged Motor Pumps of split type assembling; Comprise pump and following pump; Said bottom of going up pump is provided with the switching-over stage casing; The said top of pump down is provided with down the switching-over stage casing, and the rotating shaft of said upward pump and the rotating shaft of following pump link together through the connecting shaft cover, and the said switching-over stage casing of going up links together through bolt with following switching-over stage casing.
The said pump of going up comprises submersible pump epimere and water exit end; Water exit end is arranged on the top of submersible pump epimere; Half that said submersible pump epimere impeller progression is the total progression of submersible pump subtracts one; This section impeller suction inlet is downward; From impeller inlet, blade is rotation counterclockwise, and the axial force that produces during impeller work is directed downwards; Transmit current by inner flow passage between every grade in this section impeller, then through water exit end, connect section and discharge;
Said pump down comprises Submerged Motor Pumps hypomere, Submerged Motor Pumps stage casing; Said Submerged Motor Pumps hypomere is that the electric pump entrance point adopts the one-level impeller to supply water; This section impeller suction inlet is downward, sees from impeller inlet, and blade is rotation counterclockwise; The axial force that produces during impeller work is directed downwards, and this section impeller outlet is directly supplied water to the Submerged Motor Pumps stage casing by Submerged Motor Pumps stage casing outer flow passage;
Said Submerged Motor Pumps stage casing impeller progression is the half the of the total progression of Submerged Motor Pumps; This section impeller suction inlet upwards; See that from impeller inlet blade is the clockwise direction rotation, the axial force direction that produces during impeller work upwards; Transmit current by inner flow passage between every grade in this section impeller, change direction through long stage casing then and supply water to the Submerged Motor Pumps epimere by Submerged Motor Pumps stage casing outer flow passage.
The multistage high-lift single suction Submerged Motor Pumps of a kind of split type assembling of the present invention compared with prior art, the beneficial effect that is produced is:
The integrated type assembly structure that Submerged Motor Pumps of the present invention breaks traditions; According to the progression of the specifications and models of multistage high-lift Submerged Motor Pumps and lift and design; Be divided into pump and following pump, can be assembled into integral pump rapidly in case of necessity, but do not influence the hydraulic performance of Submerged Motor Pumps.And be convenient to processing, assembling, store, transport and on-the-spot the installation.
Description of drawings
Accompanying drawing 2 is the preceding cross-sectional view of multistage high-lift single suction Submerged Motor Pumps assembling of split type assembling of the present invention;
Accompanying drawing 3 is the cross-sectional view that goes up the switching-over stage casing among Fig. 1 and Fig. 2;
Accompanying drawing 4 is the cross-sectional view in following switching-over stage casing among Fig. 1 and Fig. 2.
Among the figure, 1, upper pump casing, 2, on the stage casing of commutating, 3, coupling band, 4, the stage casing of commutating down, 5, pump down.
Embodiment
Explanation at length below below in conjunction with accompanying drawing the multistage high-lift single suction Submerged Motor Pumps of a kind of split type assembling of the present invention being done.
Like accompanying drawing 1, shown in 2; The multistage high-lift single suction Submerged Motor Pumps of a kind of split type assembling of the present invention; Its structure comprises pump 1 and following pump 5, and said bottom of going up pump 1 is provided with switching-over stage casing 2, and the said top of pump 5 down is provided with down switching-over stage casing 4; Saidly go up the rotating shaft of pump 1 and the rotating shaft of following pump 5 links together through connecting shaft cover 5, the said switching-over stage casing 2 of going up links together through bolt with the stage casing 4 of commutating down.
The said pump 1 of going up comprises submersible pump epimere and water exit end; Water exit end is arranged on the top of submersible pump epimere; Said submersible pump epimere impeller progression is eight grades; This section impeller suction inlet is downward; From impeller inlet, blade is rotation counterclockwise, and the axial force that produces during impeller work is directed downwards; Transmit current by inner flow passage between every grade in this section impeller, then through water exit end, connect section and discharge;
Said pump 5 down comprises Submerged Motor Pumps hypomere, Submerged Motor Pumps stage casing; Said Submerged Motor Pumps hypomere is that the electric pump entrance point adopts the one-level impeller to supply water; This section impeller suction inlet is downward, sees from impeller inlet, and blade is rotation counterclockwise; The axial force that produces during impeller work is directed downwards, and this section impeller outlet is directly supplied water to the Submerged Motor Pumps stage casing by Submerged Motor Pumps stage casing outer flow passage;
Said Submerged Motor Pumps stage casing impeller progression is nine grades; This section impeller suction inlet upwards; See that from impeller inlet blade is the clockwise direction rotation, the axial force direction that produces during impeller work upwards; Transmit current by inner flow passage between every grade in this section impeller, change direction through long stage casing then and supply water to the Submerged Motor Pumps epimere by Submerged Motor Pumps stage casing outer flow passage.
Like accompanying drawing 3, shown in 4, on commutate stage casing 2 are vitals that Submerged Motor Pumps is realized split with switching-over stage casing 4 down.Flow to principle by impeller configuration and three and carry out structural design,,, adhere to specification fully through the hydrostatic test by the bearing requirements design thickness.
Claims (2)
1. the multistage high-lift single suction Submerged Motor Pumps of a split type assembling; Comprise pump (1) and following pump (5); It is characterized in that said bottom of going up pump (1) is provided with switching-over stage casing (2), the said top of pump (5) down is provided with down switching-over stage casing (4); The rotating shaft of said upward pump (1) and the rotating shaft of following pump (5) link together through connecting shaft cover (5), and the said upward switching-over stage casing (2) and the stage casing (4) of commutating down link together through bolt.
2. the multistage high-lift single suction submersible pump of a kind of split type assembling according to claim 1; It is characterized in that; The said pump (1) of going up comprises submersible pump epimere and water exit end; Water exit end is arranged on the top of submersible pump epimere; Half that said submersible pump epimere impeller progression is the total progression of submersible pump subtracts one; This section impeller suction inlet is downward; From impeller inlet; Blade is rotation counterclockwise; The axial force that produces during impeller work is directed downwards; Transmit current by inner flow passage between every grade in this section impeller, then through water exit end, connect section and discharge;
Said pump (5) down comprises Submerged Motor Pumps hypomere, Submerged Motor Pumps stage casing; Said Submerged Motor Pumps hypomere is that the electric pump entrance point adopts the one-level impeller to supply water; This section impeller suction inlet is downward, sees from impeller inlet, and blade is rotation counterclockwise; The axial force that produces during impeller work is directed downwards, and this section impeller outlet is directly supplied water to the Submerged Motor Pumps stage casing by Submerged Motor Pumps stage casing outer flow passage;
Said Submerged Motor Pumps stage casing impeller progression is the half the of the total progression of Submerged Motor Pumps; This section impeller suction inlet upwards; See that from impeller inlet blade is the clockwise direction rotation, the axial force direction that produces during impeller work upwards; Transmit current by inner flow passage between every grade in this section impeller, change direction through long stage casing then and supply water to the Submerged Motor Pumps epimere by Submerged Motor Pumps stage casing outer flow passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101259315A CN102678577A (en) | 2012-04-26 | 2012-04-26 | Split type assembled multistage high-lift single suction electrical submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101259315A CN102678577A (en) | 2012-04-26 | 2012-04-26 | Split type assembled multistage high-lift single suction electrical submersible pump |
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| Publication Number | Publication Date |
|---|---|
| CN102678577A true CN102678577A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101259315A Pending CN102678577A (en) | 2012-04-26 | 2012-04-26 | Split type assembled multistage high-lift single suction electrical submersible pump |
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| CN (1) | CN102678577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111966956A (en) * | 2020-08-25 | 2020-11-20 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating head and flow of multi-stage submersible pump for well |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048124U (en) * | 1988-08-12 | 1989-11-22 | 合肥电机厂 | Single-abserb submersible pumps with automatic balance |
| CN2310878Y (en) * | 1997-06-18 | 1999-03-17 | 焦作重型机器厂 | Large mine submersible sewage pump |
| CN201129309Y (en) * | 2007-11-24 | 2008-10-08 | 山东颜山泵业有限公司 | Large-sized flush type mining water discharge pump |
| WO2009142528A1 (en) * | 2008-05-20 | 2009-11-26 | Schlumberger Canada Limited | Electric submersible pump |
| CN202132251U (en) * | 2011-07-06 | 2012-02-01 | 焦作巨龙泵业有限公司 | Centrifugal submersible electric pump |
| CN202545284U (en) * | 2012-04-26 | 2012-11-21 | 山东星源矿山设备集团有限公司 | Separately-assembled multi-stage high-lift single-suction electric diving pump |
-
2012
- 2012-04-26 CN CN2012101259315A patent/CN102678577A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2048124U (en) * | 1988-08-12 | 1989-11-22 | 合肥电机厂 | Single-abserb submersible pumps with automatic balance |
| CN2310878Y (en) * | 1997-06-18 | 1999-03-17 | 焦作重型机器厂 | Large mine submersible sewage pump |
| CN201129309Y (en) * | 2007-11-24 | 2008-10-08 | 山东颜山泵业有限公司 | Large-sized flush type mining water discharge pump |
| WO2009142528A1 (en) * | 2008-05-20 | 2009-11-26 | Schlumberger Canada Limited | Electric submersible pump |
| CN202132251U (en) * | 2011-07-06 | 2012-02-01 | 焦作巨龙泵业有限公司 | Centrifugal submersible electric pump |
| CN202545284U (en) * | 2012-04-26 | 2012-11-21 | 山东星源矿山设备集团有限公司 | Separately-assembled multi-stage high-lift single-suction electric diving pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111966956A (en) * | 2020-08-25 | 2020-11-20 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating head and flow of multi-stage submersible pump for well |
| CN111966956B (en) * | 2020-08-25 | 2024-01-26 | 河北省水资源研究与水利技术试验推广中心 | Method for calculating lift and flow of multi-stage submersible pump for well |
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Application publication date: 20120919 |