CN109098974A - It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump - Google Patents
It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump Download PDFInfo
- Publication number
- CN109098974A CN109098974A CN201810846347.6A CN201810846347A CN109098974A CN 109098974 A CN109098974 A CN 109098974A CN 201810846347 A CN201810846347 A CN 201810846347A CN 109098974 A CN109098974 A CN 109098974A
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- China
- Prior art keywords
- impeller
- side channel
- channel pump
- gas
- liquid delivery
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses it is a kind of can gas-liquid delivery high-lift multi-stage side channel pump, be related to multistage side channel pump design field, including first stage impeller, radial star impeller and arced flow path；First stage impeller is receded disk impeller to improve anti-cavitation ability, and gap suction vane is used, gap is located near entrance, can improve the mobility status at fluid inlet, the operational efficiency of side channel pump is improved, and further increases the anti-cavitation ability of multistage side channel pump；The impeller of secondary and remaining series, using radial star unshrouded impeller；Arc enclosed flow passage is added on the right side of unshrouded impeller；The combination of unshrouded impeller and enclosed flow passage can further promote multistage side channel pump anti-cavitation ability, can also improve suction capacity.The side channel pump being finally assembling to can the stable operation in the pumped (conveying) medium of high air content, meet the operating condition requirement of gas-liquid delivery.
Description
Technical field
The present invention relates to multistage side channel pump design field, more particularly to it is a kind of can gas-liquid delivery high lift
Multistage side channel pump.
Background technique
Structure of the invention Quito grade side channel pump, side channel pump belongs to ultra-low specific speed vane pump type, due to impeller list
There is a space runner in side and gains the name, it is that one kind radial vane between positive displacement pump and centrifugal pump pumps, and belongs to one kind
Novel vortex pump, operating flux very little but lift is relatively high.Due to side channel pump and belong to peripheral pump one kind, anti-cavitation
Ability is poor, therefore multistage side channel pump gas-liquid delivery air content changes greatly or when the higher operating condition operation of air content, multistage
The performance of side channel pump because larger change will occur for cavitation, according to air content number, side channel pump will appear corresponding vibration
Dynamic and noise, side channel pump will be unable to run when serious, influence the reliability and safety of system, therefore how by optimizing
Stream unit improves multistage side channel pump anti-cavitation ability and hydraulic performance, and then improves its gas-liquid delivery ability, is more at present
Grade side channel pump designs and develops middle urgent problem.
Through retrieving, the high-lift multi-stage side channel pump phase with a kind of achievable gas-liquid delivery proposed by the invention is not found
Same document and patent.
Summary of the invention
It is an object of the invention in view of the defects existing in the prior art, provide a kind of high lift of achievable gas-liquid delivery
Multistage side channel pump reduces generated flow instabilities or cavitation phenomenons under multistage side channel pump gas-liquid delivery operating condition,
Unnecessary energy loss is avoided, to improve multistage side channel pump gas-liquid delivery ability.
The present invention is achieved by following technical solution:
It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump, including first stage impeller, radial star impeller and arc stream
Road；The first stage impeller rear end is provided with radial star impeller and arced flow path；The radial direction star wheel nose is provided with lid
Plate offers hole on cover board, and also offers hole on arced flow path.
Further, the first stage impeller is centrifugal pump impeller.
Further, the first stage impeller uses gap suction vane, and gap suction vane includes rear blade and leading edge
Vanelets；The rear blade is centrifugal blade, and in the front end of rear blade, leading edge vanelets are arranged close to wheel hub；Institute
Stating between leading edge vanelets and rear blade has gap.
Further, 3~8mm of gap between the leading edge vanelets and rear blade；And gap is in leading edge leaflet length of a film
5% or so.
Further, the radial star impeller and arced flow path have array；And every group of radial direction star wheel nose setting
Cover board on the hole that opens up on this group of arced flow path of Kong Junyu for opening up be located at the difference arced flow paths of pump housing center line,
Further, the arced flow path, including side runner and extrusion mouth；There are gaps for side runner and extrusion mouth, not
Directly communicate.
Further, arced flow path is enclosed flow passage, and enclosed flow passage is not direct to be communicated with the suction inlet of pump and extrusion mouth.
The utility model has the advantages that
1. the present invention passes through chopped-off head receded disk impeller, improves multistage in the case where the multistage side channel pump of guarantee high lift
The anti-cavitation ability of side channel pump；Chopped-off head receded disk impeller uses gap suction vane, and gap is located near entrance, Ke Yigai
Mobility status at kind fluid inlet is eliminated the flow instabilities such as reflux or the separation of flow due to caused by boundary layer separation, is avoided
Unnecessary energy loss, improves the operational efficiency of side channel pump, and further increases the anti-cavitation energy of multistage side channel pump
Power.In addition, secondary and remaining series further improves side using the combination of radial star unshrouded impeller and arc enclosed flow passage
Runner anti-cavitation ability.Designed structure, may be implemented multistage side channel pump under gas-liquid delivery operating condition, efficiently in the present invention
Stable operation.
2. first stage impeller selects receded disk impeller, and impeller blade uses the structure of gap drainage, to improve multistage side
The hydraulic performance and anti-cavitation ability of runner pump, secondary and remaining series use the combining form of unshrouded impeller and enclosed flow passage,
Multistage side channel pump anti-cavitation ability is further increased, and then realizes the purpose of multistage side channel pump gas-liquid delivery.
Detailed description of the invention
Fig. 1 the present invention relates to multistage side channel pump structural schematic diagram；
Fig. 2 the present invention relates to Fig. 1 in addition gap suction vane first stage impeller schematic diagram；
Fig. 3 arced flow path structural schematic diagram.
Appended drawing reference is as follows:
1. first stage impeller；2. radial star impeller；3. arced flow path；4. leading edge vanelets；5. rear blade；6. effluent
Road；7. extruding mouth.
Specific embodiment
Present invention will be further explained with reference to the attached drawings and specific examples.
It is shown multistage side channel pump structural schematic diagram in conjunction with attached drawing 1, multistage side channel pump main component is first stage impeller
1, radial star impeller 2, arced flow path 3；Fluid is entered by first stage impeller 1, and gap drains impeller signal as shown in Fig. 2, when stream
Body flows into first stage impeller 1, because there are gap between leading edge vanelets 4 and rear blade 5, segment fluid flow can be from blade by gap
Pressure face effluent is to suction surface side, simultaneously as the biasing of leading edge vanelets 4, tunnel inlets area area has increase, so that stream
Road internal speed field distribution is more uniform, thus the problems such as also eliminating the reflux due to caused by boundary layer separation or the separation of flow,
The loss of impeller self-energy is reduced, is improved efficiency；In addition the position that cavitation occurs for gap drainage impeller is concentrated mainly on blade suction
Power surface side, with the reduction of cavitation number, cavitation is different, and hole occupies stream compared with early occurring for edge pressure face in front of the blade from common impeller
The volume performance in road gradually increases from blade suction surface lateral pressure surface side, therefore first stage impeller 1 can be into using gap flow guiding structure
One step enhances anti-cavitation ability.
In addition to chopped-off head centrifugal impeller 1, remaining impeller at different levels is radial star impeller 2, and impeller is open type, is added on the right side of it
Add arced flow path 3, arced flow path 3 includes side runner 6 and extrusion mouth 7；There are gap, not direct phases for side runner 6 and extrusion mouth 7
It is logical.After fluid is flowed out from first stage impeller 1, it can enter in radial star impeller 2, fluid can generate a longitudinal vortex,
Under longitudinal swirling action, fluid continuous inflow and outflow in radial star impeller 2 and side runner 6 obtains energy, and enters next
Grade repeats enhancing energy, until flowing out from mouth 7 is extruded, reaches very high lift, simultaneously as unshrouded impeller and enclosed flow passage group
It closes, the enhancing of gas-liquid delivery ability.
Multistage side channel pump first stage impeller is selected as centrifugal pump impeller, and side channel pump belongs to peripheral pump one kind, main vapour
Erosion type is vortex type, is mostly occurred in the import of pump, and form is mostly screw type, unstable, thus anti-cavitation performance is poor, when multistage
It is easier to that cavitation occurs, therefore first stage impeller selects receded disk impeller, anti-cavitation performance is good, and multistage side channel pump can be improved
Whole anti-cavitation ability.
Impeller blade uses the structure of gap drainage, to improve the hydraulic performance of multistage side channel pump, mainly impeller into
Mouth is close to wheel hub, and by increasing one of gap, leading edge vanelets 4 and rear blade 5, gap is in 4 leading edge string of leading edge vanelets
Between long 5%~40%, gap size is about 3~8mm, and runner direction should comply with flow direction of the fluid in impeller.Using
After the flow guiding structure of gap, fluid motion situation improves, and turbulence intensity weakens, and efficiency performance is improved.
In addition to chopped-off head centrifugal impeller, remaining impeller at different levels is radial star impeller 2, radial star impeller 2, for radial star
Shape unshrouded impeller, right side cooperate side runner, enable fluid reciprocating screw exchange movement in impeller channel and side runner, finally
It exports and flows out from side runner.The every exchange by one piece of blade and side runner of fluid, lift increase primary, repeatedly exchange movement
Afterwards, side channel pump obtains higher lift, and unshrouded impeller compares double shrouded wheel, and anti-cavitation ability is preferable.Leaf is being centrifuged except chopped-off head
Wheel is outer, and arced flow path 3 is added on the right side of remaining impeller at different levels, which is arc, and efficiency is higher；Runner is enclosed simultaneously, that is, is flowed
Road is not direct to be communicated with suction inlet and extrusion mouth；Enclosed flow passage has the function of improving pump anti-cavitation ability, further increase more
Grade side channel pump gas-liquid delivery ability, and this combining form being capable of self-priming.
Self-priming, exhaust process may be implemented in multistage side channel pump are as follows: when wheel rotation, stays in the liquid between impeller blade
Body under the action of the centrifugal force, focuses in runner, is inhaled into mouth sucking, and place is vacated in filling.Impeller continues to rotate, and liquid is gentle
The pressure of body gradually rises, and gas is compressed, and volume reduces；At the same time, the volume of liquid increases, and liquid is flat in runner
Equal speed reduces, and the enhanced strength of longitudinal vortex, gas continues to be compressed, until extruding mouth, gas is discharged, and liquid is by runner
In back between blade, participate in next exhaust process.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not
In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement
Or modification all belongs to the scope of protection of the present invention.
Claims (7)
1. one kind can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that including first stage impeller (1), radial star
Impeller (2) and arced flow path (3)；First stage impeller (1) rear end is provided with radial star impeller (2) and arced flow path (3)；Institute
It states radial star impeller (2) front end and is provided with cover board, hole is offered on cover board, and also offer hole on arced flow path (3).
2. one kind according to claim 1 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that the head
Grade impeller (1) is centrifugal pump impeller.
3. one kind according to claim 2 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that the head
Grade impeller (1) uses gap suction vane, and gap suction vane includes rear blade (5) and leading edge vanelets (4)；The rear
Blade (5) is centrifugal blade；In the front end of rear blade (5), close to wheel hub setting leading edge vanelets (4)；The leading edge
There is gap between vanelets (4) and rear blade (5).
4. one kind according to claim 3 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that before described
There is 3~8mm of gap between edge vanelets (5) and rear blade (4)；And gap is in leading edge vanelets (5) long 5% or so.
5. one kind according to claim 1 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that the diameter
There is array to star impeller (2) and arced flow path (3)；And opened up on the cover board of every group of radial direction star impeller (2) front end setting
The hole opened up on this group of arced flow path of Kong Junyu (3) is located at the different location of pump housing center line.
6. one kind according to claim 1 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that the arc
Shape runner (3), including side runner (6) and extrusion mouth (7)；There are gaps for side runner (6) and extrusion mouth (7), do not communicate directly.
7. one kind according to claim 6 can gas-liquid delivery high-lift multi-stage side channel pump, which is characterized in that arc stream
Road (3) is enclosed flow passage, and enclosed flow passage is not direct to be communicated with the suction inlet of pump and extrusion mouth (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846347.6A CN109098974A (en) | 2018-07-27 | 2018-07-27 | It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810846347.6A CN109098974A (en) | 2018-07-27 | 2018-07-27 | It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109098974A true CN109098974A (en) | 2018-12-28 |
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ID=64847851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810846347.6A Pending CN109098974A (en) | 2018-07-27 | 2018-07-27 | It is a kind of can gas-liquid delivery high-lift multi-stage side channel pump |
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| Country | Link |
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| CN (1) | CN109098974A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812419A (en) * | 2019-01-18 | 2019-05-28 | 江苏大学 | A kind of multistage side channel pump |
| CN113513479A (en) * | 2021-04-23 | 2021-10-19 | 江苏大学 | Multistage pump device for gas-liquid separation and use method |
| CN115773089A (en) * | 2022-11-24 | 2023-03-10 | 新疆敦华绿碳技术股份有限公司 | Injection-production wellbore anti-corrosion instillation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071230A (en) * | 1991-09-23 | 1993-04-21 | 卢才美 | Very-high-lift vortex pump |
| CN1396383A (en) * | 2001-07-13 | 2003-02-12 | 浙江大学 | High-speed centrifugal vortex pump for low-flow high-lift liquid medium |
| US20040247468A1 (en) * | 2003-06-06 | 2004-12-09 | Masaki Ikeya | Fuel pump |
| CN201225317Y (en) * | 2008-09-02 | 2009-04-22 | 上海东方泵业(集团)有限公司 | Centrifugal pump impeller |
| CN102062116A (en) * | 2010-12-28 | 2011-05-18 | 上海大学 | Gap diversion type axial-flow pump impeller |
| CN107461362A (en) * | 2017-09-30 | 2017-12-12 | 江苏大学镇江流体工程装备技术研究院 | A kind of open type side channel pump Hydraulic Design Method |
-
2018
- 2018-07-27 CN CN201810846347.6A patent/CN109098974A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071230A (en) * | 1991-09-23 | 1993-04-21 | 卢才美 | Very-high-lift vortex pump |
| CN1396383A (en) * | 2001-07-13 | 2003-02-12 | 浙江大学 | High-speed centrifugal vortex pump for low-flow high-lift liquid medium |
| US20040247468A1 (en) * | 2003-06-06 | 2004-12-09 | Masaki Ikeya | Fuel pump |
| CN201225317Y (en) * | 2008-09-02 | 2009-04-22 | 上海东方泵业(集团)有限公司 | Centrifugal pump impeller |
| CN102062116A (en) * | 2010-12-28 | 2011-05-18 | 上海大学 | Gap diversion type axial-flow pump impeller |
| CN107461362A (en) * | 2017-09-30 | 2017-12-12 | 江苏大学镇江流体工程装备技术研究院 | A kind of open type side channel pump Hydraulic Design Method |
Non-Patent Citations (2)
| Title |
|---|
| 李红等: "《化工机械应用基础》", 31 January 2004, 化学工业出版社 * |
| 龚毅等: "《泵与风机》", 31 August 1999, 海洋出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812419A (en) * | 2019-01-18 | 2019-05-28 | 江苏大学 | A kind of multistage side channel pump |
| CN113513479A (en) * | 2021-04-23 | 2021-10-19 | 江苏大学 | Multistage pump device for gas-liquid separation and use method |
| CN115773089A (en) * | 2022-11-24 | 2023-03-10 | 新疆敦华绿碳技术股份有限公司 | Injection-production wellbore anti-corrosion instillation system |
| CN115773089B (en) * | 2022-11-24 | 2024-06-11 | 新疆敦华绿碳技术股份有限公司 | Injection-production well shaft anti-corrosion instillation system |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
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| RJ01 | Rejection of invention patent application after publication |