CN2158934Y - Axial balancing submerged pump - Google Patents
Axial balancing submerged pump Download PDFInfo
- Publication number
- CN2158934Y CN2158934Y CN 92244801 CN92244801U CN2158934Y CN 2158934 Y CN2158934 Y CN 2158934Y CN 92244801 CN92244801 CN 92244801 CN 92244801 U CN92244801 U CN 92244801U CN 2158934 Y CN2158934 Y CN 2158934Y
- Authority
- CN
- China
- Prior art keywords
- pump
- water inlet
- impeller
- blower inlet
- inlet casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to axial force balancing submerged pump. On the basis of the existing submerged pump, the utility model causes the pump to be divided into an upper and a lower parts. A two-way water inlet joint is arranged between the upper and the lower pumps. The liquid stream flows through the two-way water inlet joint to enter in the upper and the lower pumps respectively. The liquid stream in the upper pump can be conveyed upwards to a water outlet main pipe step by step, the liquid stream in the lower pump can be conveyed downwards to the water outlet of the lower pump step by step, the liquid stream is conveyed to the water outlet main pipe or the water inlet of the upper pump through a side pipe, and therefore, the effect is corresponding to the use of the connection in series or in parallel of the upper and the lower pumps. Because the impellers of the upper and the lower pumps are arranged in a relative surface way, the axial force can be balanced through the adjustment of the series of the upper and the lower pumps. The utility model has the advantages that the balancing axial force is absolutely reliable, the reliability and the service life of the pump can be improved, and the pump capacity can be increased.
Description
The utility model relates to a kind of submersible pump, specially refers to a kind of axial force balance submersible pump.
In submersible pump, special in multistage high-lift submersible pump because the pressure difference of liquid effects on impeller and the gravity of rotor in the pump, the direction of its active force all vertically downward along axial direction, the stack of these two kinds of power increases the axial force of pump.In order to overcome this along axial direction axial force vertically downward, most of pump has adopted some balanced controls (as equalizing orifice etc.), these balanced controls can cause that not only pump performance descends, and still can't balance axial force, also must thrust device be set and come balancing axial thrust in the submersible motor bottom.Because the service condition of thrust device is abominable,, directly affect the operational safety and the life-span thereof of whole pump so its poor reliability, working life are lacked.
The purpose of this utility model is on the basis of existing submersible pump, adopt hydraulic equilibrium principle that pump structure is improved, can make pressure difference on impeller of liquid effects in the pump, the weight of rotor axially reach in a basic balance, have the characteristics of reliability height and long service life.
The utility model comprises a water inlet joint, the pump housing that matches with the water inlet joint, dispose the pump shaft that can be connected on the pump housing with motor shaft, said water inlet joint is a two-way water inlet joint 10, dispose some impellers 7,11 respectively with two outlets of two-way water inlet joint 10, all disposed blower inlet casing 8, the impeller 11 following even blower inlet casings 12 that disposed above the impeller 7, the final stage outlet in the blower inlet casing 8 communicates with outfall sewer 15, or communicates with last pump water inlet mouth.The importer of said impeller 11, blower inlet casing 12 to the importer of impeller 7, blower inlet casing 8 to opposite.
Fig. 1 is the structural drawing of existing submersible pump.
Fig. 2 is a structural drawing of the present utility model.
Below in conjunction with accompanying drawing structural principle of the present utility model and working principle are done detailed explanation.
With reference to Fig. 1, thrust device 1 is held under submersible motor 2, and thrust device 1 is used for the axial force of bearing pump, and motor 2 is passed to pump shaft 6 to moment of torsion by motor shaft 3, and motor shaft 3 is connected by coupling 4 with pump shaft 6.The liquid water joint 5 of flowing through into enters in the pump, and the impeller 7 feeding streams of rotation apply active force, and its pressure, speed are increased.The liquid of discharging from impeller 7 flows to into blower inlet casing 8, and blower inlet casing 8 is collected from the liquid stream of impeller, and slows down within it, diffusion, sends into next stage impeller and blower inlet casing then, is delivered to so step by step outside outlet pipe 9 excavationg pumps.The major character of existing submersible pump is: the flow direction of liquid stream is to enter in the pump from water inlet joint 5, carries step by step from the bottom to top through impeller 7, blower inlet casing 8, outside outlet pipe 9 excavationg pumps; Secondly, the importer of impeller 7 is to downward along axis normal, and the importer of the blower inlet casing 8 that adapts therewith is to also being downward.
Fig. 2 is the axial force balance submersible pump.Motor shaft 3 is connected by coupling 4 with pump shaft 6.Two-way water inlet joint 10 is the pump separated into two parts, and two-way water inlet saves the last pump that is of 10 upper ends, and the importer of the impeller 7 of last pump is to downward along axis normal.Two-way water inlet saves the following pump of being of 10 lower ends, and the importer of the impeller 11 of following pump is to making progress along axis normal, the importer of the blower inlet casing 8,12 of pump up and down of adapting therewith to respectively with the importer of its impeller 7,11 to identical.Motor 2 is passed to pump impeller 7 and following pump impeller 11 to moment of torsion simultaneously by motor shaft 3, pump shaft 6.Last pump structure, working principle and existing pump identical, liquid stream enters the impeller 7 of pump from two-way water inlet joint 10, after impeller 7 applies active force, discharge from impeller 7, enter pump blower inlet casing 8, the liquid stream that leaves blower inlet casing 8 enters the next stage impeller of its top again, and liquid stream is carried in last pump from the bottom to top step by step like this, pumps supply mains 15 until sending into.Enter down the liquid of pump from two-way water inlet joint 10, the warp rotary blade 11 of pump down applies active force, its pressure, speed increase, the liquid that leaves impeller 11 flows to into following pump blower inlet casing 12, blower inlet casing 12 is collected from the liquid of impeller 11, and make it behind interior deceleration, diffusion, introduce the next stage impeller inlet of its below again.Liquid stream from top to bottom conveying step by step in pump down like this until pump final stage blower inlet casing 13 down, is slowed down final stage blower inlet casing 13 in, behind the diffusion, is sent into water outlet again and be in charge of 14.Water outlet is in charge of 14 and is positioned at the pump shaft line and parallels the outer surface of being close to pump, be in charge of 14 liquid stream or flow with liquid that last pump is discharged through water outlet and converge mutually, enter again and pump supply mains 15, or be admitted to the pump water inlet mouth at the top of pump, carry again through last pump, enter outfall sewer 15 then.
Notable feature of the present utility model is: save 10 from two-way water inlet pump is divided into pump and following pump two-part, last pump structure and existing submersible pump identical; Just in time opposite to last pump of the impeller 11 of following pump, the importer of blower inlet casing 12.Liquid stream is to carry vertically upward step by step from two-way water inlet joint 10 beginnings in last pump; Liquid stream is to carry vertically downward step by step from two-way water inlet joint 10 beginnings in following pump.The flow direction of liquid stream is just in time opposite in pump up and down, and pump has intake-outlet separately up and down.The water intake of pump is positioned at two-way water inlet joint 10 up and down; The water outlet of last pump is at the pump top; The water outlet of following pump is positioned at the outlet port of final stage blower inlet casing 13, and the water outlet of flowing through of the liquid of following pump is in charge of 14 or converge with the liquid stream of last pump, and the inflow pump outfall sewer 15 together, or are admitted to the pump water inlet mouth, carry again through last pump, enter outfall sewer 15 then.The utility model is equivalent to use the two pumps series parallel connection operation of same submersible motor.This shows, the utlity model has following characteristics:
1, balancing axial thrust.Because it is just in time opposite that last pump and the impeller of following pump are provided with direction, so the axial force (gravity that comprises rotor) that produces of pump can be controlled in a basic balance up and down.
2, can increase the liquid outlet quantity of pump.Because up and down pump is autonomous system (removing motor) basically, when the liquid that leaves the down pump water outlet of flowing through is in charge of 14 when directly being admitted to outfall sewer 15, total liquid outlet quantity of pump be about the flow sum of pump, so can increase the liquid outlet quantity of pump.
3, use is reliable, the life-span is long.Owing to can control axial force by adjust going up pump (or pump) down progression, can reduce or eliminate axial force, so the operational safety of this pump and life-span be not subjected to the influence of thrust device, so use reliably, the life-span is long.
4, do not adopt Equilibrator.Because axial force can reach in a basic balance, so do not adopt necessity of Equilibrator.
5, stressed reasonable, running noises is low, vibration is little.Because axial force balance can reduce the mechanical wear of rotor and fixed component, so this pump operation noise is low, vibration is little, efficient is high.
The utility model is equivalent to the series parallel connection use that a motor 1 drives two pumps (going up pump and following pump).Two-way water inlet save more than 10 middle parts be on pump, below be following pump, the pump part of last pump and existing submersible pump is identical; Just in time opposite to last pump of the impeller 11 of following pump, the importer of blower inlet casing 12.The moment of torsion of motor 2 acts on the impeller 7 and impeller 11 of pump up and down simultaneously through motor shaft 3, coupling 4, pump shaft 6; Be connected with coupling 4 between motor shaft 3 and the pump shaft 6; Impeller 7, impeller 11 are connected with pump shaft 6 usefulness keys or taper sheath.Upwards carry step by step through impeller 7, blower inlet casing 8 from the liquid that two-way water inlet joint 10 enters pump, pump supply mains 15 until sending into; From impeller 11, blower inlet casing 12 conveying downwards step by step of flowing through of two-way water inlet joint 10 liquid that enter down pump, until final stage blower inlet casing 13, the flow through water outlet in the pump housing outside of the liquid of discharging from final stage blower inlet casing 13 is in charge of 14 or directly enter outfall sewer 15, or be admitted to the pump water inlet mouth, carry again through last pump, enter outfall sewer 15 then.Blower inlet casing and two-way water inlet joint 10 connect with screw, screw thread or clamp between the blower inlet casing.
The main label declaration of accompanying drawing:
The 1st, thrust device is used for bearing axial pushing force.Thrust device is by the fixing thrust disc in motor shaft 3 lower ends and be fixed on that the pedestal of bearing axial pushing force constitutes on the pump seat.
The 2nd, submersible motor adopts the motor of structural types such as oil-filled type, Water or shielding, is connected with screw, screw thread or clamp between submersible motor and the pump.
The 3rd, motor shaft is the output shaft of motor power.Make with metallic material or surface treated metallic material.
The 4th, coupling works to connect motor shaft 3 and pump shaft 6.
The 6th, pump shaft, its effect is that the moment of torsion of motor 2 is passed to impeller.Pump shaft is made with corrosion resistant metallic material or surface treated metallic material.
The 7th, last pump impeller, its effect is kinetic energy and the pressure energy that the mechanical energy of power engine is transformed into liquid, is connected with key or taper sheath between impeller and the pump shaft.Impeller is made by metal or plastic materials, carries the impeller that contains solid particle liquid to make with high-abrasive material.
The 8th, last pump blower inlet casing, its effect is the liquid from impeller of collecting, and make liquid deceleration within it, diffusion,, turn to and introduce the next stage impeller inlet.Blower inlet casing can adopt the space, radially, flow channel type or axial diversion shell structure form.Connect with screw, screw thread or clamp between the blower inlet casing, blower inlet casing is made with metal or plastic materials, carries the blower inlet casing that contains solid particle to make with high-abrasive material.
The 10th, two-way water inlet joint has dividing plate and blade in it, and its effect is about the liquid flow point is not introduced in the pump, and filter screen is arranged outward, in case excessive solid enters in the pump, and is connected with screw, screw thread or clamp between the blower inlet casing.
The 11st, following pump impeller, identical with last pump impeller 7, just in pump its importer to the importer of last pump impeller 7 to opposite.
The 12nd, following pump blower inlet casing, identical with last pump blower inlet casing 8, just the importer to the importer of last pump blower inlet casing 8 to opposite.
The 13rd, following pump final stage blower inlet casing, its effect is to collect to flow from the liquid of impeller, sends into water outlet then and is in charge of 14.The final stage blower inlet casing can adopt double-layer spiral formula pump case, radially, axially, the space, the blower inlet casing of structural types such as flow channel type.
The 14th, water outlet is in charge of, and its effect is leaving down the liquid of pump final stage blower inlet casing 13 or sending into outfall sewer 15 or send into the pump water inlet mouth.The runner of being close to the blower inlet casing outer wall for the parallel pump axis is in charge of in water outlet, and an end and final stage blower inlet casing 13 join, and the other end links to each other with pumping supply mains 15 or go up the pump water inlet mouth, and Placement is flange, screw thread or clamp connection.
The 15th, pump the supply mains, its effect is the liquid stream that compiles from upper and lower pump, and sends outside the pump, when parallel connection of pumps was used up and down, its mode of compiling adopted the mode of injection.
Claims (5)
1, axial force balance submersible pump comprises a water inlet joint, and the pump housing with the water inlet joint matches disposes the pump shaft that can be connected with motor shaft on the pump housing.Feature of the present utility model is, said water inlet joint is a two-way water inlet joint (10), dispose some impellers (7), (11) respectively with two outlets of two-way water inlet joint (10), all disposed blower inlet casing (8) above the impeller (7), all disposed blower inlet casing (12) below the impeller (11), final stage outlet in the blower inlet casing (8) communicates with outfall sewer (15), final stage blower inlet casing (13) outlet in the blower inlet casing (12) is in charge of (14) by the water outlet in the pump case outside or is communicated with outfall sewer (15), or communicates with last pump water inlet mouth.
2, submersible pump according to claim 1 is characterized in that, the importer of said impeller (11), blower inlet casing (12) to the importer of impeller (7), blower inlet casing (8) to opposite.
3, submersible pump according to claim 1 is characterized in that, said two-way water inlet joint comprises circumferential import, axially outlet and the opposite runner of Way out, disposes dividing plate and stator between its runner.
4, submersible pump according to claim 1 is characterized in that, two-way water inlet joint is positioned at the importer between opposite and adjacent two blower inlet casings (8), (12).
5, submersible pump according to claim 1, it is characterized in that, the water outlet that one end connects final stage blower inlet casing (13) outlet bottom of pump part is in charge of (14) and is positioned at the pump case outside, the other end or be connected with outfall sewer 15, or be connected with last pump water inlet mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244801 CN2158934Y (en) | 1992-12-12 | 1992-12-12 | Axial balancing submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244801 CN2158934Y (en) | 1992-12-12 | 1992-12-12 | Axial balancing submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2158934Y true CN2158934Y (en) | 1994-03-16 |
Family
ID=33783966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92244801 Expired - Fee Related CN2158934Y (en) | 1992-12-12 | 1992-12-12 | Axial balancing submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2158934Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562614A (en) * | 2012-01-18 | 2012-07-11 | 长沙矿冶研究院有限责任公司 | Non-blocking double-channel pump with large particles |
| CN102588298A (en) * | 2012-03-13 | 2012-07-18 | 高二丑 | Axial force self-balancing multi-stage electric submersible pump |
| CN102852826A (en) * | 2012-09-17 | 2013-01-02 | 山东德源泵业有限公司 | Large water flow self-balancing submersible electric pump |
| CN102996519A (en) * | 2013-01-14 | 2013-03-27 | 山东名流实业集团有限公司 | Water pump used for earth source heat pump machine set |
| CN104405649A (en) * | 2014-11-20 | 2015-03-11 | 合肥恒大江海泵业股份有限公司 | Single-suction-inlet double-suction self-balance submersible pump |
| CN106246596A (en) * | 2016-09-26 | 2016-12-21 | 南京磁谷科技有限公司 | A kind of adjustable impeller assembly of axial force and method of work thereof |
| WO2022267239A1 (en) * | 2021-06-23 | 2022-12-29 | 温岭正峰数字机电科技有限公司 | Impeller pump |
-
1992
- 1992-12-12 CN CN 92244801 patent/CN2158934Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562614A (en) * | 2012-01-18 | 2012-07-11 | 长沙矿冶研究院有限责任公司 | Non-blocking double-channel pump with large particles |
| CN102562614B (en) * | 2012-01-18 | 2014-01-01 | 长沙矿冶研究院有限责任公司 | Non-blocking double-channel pump with large particles |
| CN102588298A (en) * | 2012-03-13 | 2012-07-18 | 高二丑 | Axial force self-balancing multi-stage electric submersible pump |
| CN102852826A (en) * | 2012-09-17 | 2013-01-02 | 山东德源泵业有限公司 | Large water flow self-balancing submersible electric pump |
| CN102996519A (en) * | 2013-01-14 | 2013-03-27 | 山东名流实业集团有限公司 | Water pump used for earth source heat pump machine set |
| CN102996519B (en) * | 2013-01-14 | 2015-07-29 | 山东名流实业集团有限公司 | For the water pump of earth source heat pump unit |
| CN104405649A (en) * | 2014-11-20 | 2015-03-11 | 合肥恒大江海泵业股份有限公司 | Single-suction-inlet double-suction self-balance submersible pump |
| CN104405649B (en) * | 2014-11-20 | 2016-09-14 | 合肥恒大江海泵业股份有限公司 | Single suction entrance double suction self-balancing immersible pump |
| CN106246596A (en) * | 2016-09-26 | 2016-12-21 | 南京磁谷科技有限公司 | A kind of adjustable impeller assembly of axial force and method of work thereof |
| CN106246596B (en) * | 2016-09-26 | 2019-04-30 | 南京磁谷科技有限公司 | A kind of adjustable impeller assembly of axial force and its working method |
| WO2022267239A1 (en) * | 2021-06-23 | 2022-12-29 | 温岭正峰数字机电科技有限公司 | Impeller pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2158934Y (en) | Axial balancing submerged pump | |
| CA2790252C (en) | Improved pump | |
| CN2168104Y (en) | Axial-force balanced deep-well pump | |
| CN1215962C (en) | Frequency-varying driving elevator hydraulic control system | |
| CN108457908A (en) | A kind of sucking air deflector of centrifugal pump | |
| CN1031213C (en) | Electric generating set with water turbine pump | |
| CN2769572Y (en) | Single-axle cantilever multistage centrifugal compressor | |
| US6296690B1 (en) | Compression-pumping system comprising an alternating compression section and its process | |
| CN201129309Y (en) | Large-sized flush type mining water discharge pump | |
| CN1234972C (en) | High-speed centrifugal vortex pump for low-flow high-lift liquid medium | |
| CN2781036Y (en) | Easy dismounted canned motor multi-stage centrifugal pump | |
| CN2744859Y (en) | Guide vane type multistage self-suction centrifugal pump with strong gas-liquid separation function | |
| CN111963450B (en) | Intelligent automatic cooling submersible pump | |
| CN206035832U (en) | Open multistage centrifugal pump in double feed inlet double suction level | |
| CN1033678A (en) | Multistage pump | |
| CN214196697U (en) | Vertical and horizontal dual-purpose self-suction amphibious pump | |
| CN201148980Y (en) | Barrel body type single-suction multilevel impeller symmetrical diffuser-type centrifugal pump | |
| CN1067919C (en) | Internally circulating cyclone separating structure and appts. | |
| CN2140980Y (en) | Non-shaft-sealing axial force balanced underliquid pump | |
| CN1018943B (en) | Single-suction opposed multi-stage centrifugal submersible pump | |
| CN2597721Y (en) | Vertical pipeline fire control tangent pump with conventional rotating speed | |
| CN2505631Y (en) | Vertical stage pump | |
| CN2171704Y (en) | Axial-flow hydraulic pump | |
| CN2752492Y (en) | High-speed pump | |
| CN2285839Y (en) | Dual-volute double-outlet connection pipe built-in electric submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |