CN105971928A - Screw axial flow impeller - Google Patents
Screw axial flow impeller Download PDFInfo
- Publication number
- CN105971928A CN105971928A CN201610597732.2A CN201610597732A CN105971928A CN 105971928 A CN105971928 A CN 105971928A CN 201610597732 A CN201610597732 A CN 201610597732A CN 105971928 A CN105971928 A CN 105971928A
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- CN
- China
- Prior art keywords
- impeller
- outer layer
- axial
- helico
- degree
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- 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.)
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
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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 a screw axial flow impeller which comprises a first-layer impeller body connected with a rotating shaft and one or more outer layer impeller bodies sequentially fixedly connected externally in the radial direction of the first-layer impeller body. When the rotating shaft rotates, the first-layer impeller body will be driven to rotate, and then, the outer layer impeller bodies are driven to synchronously rotate; according to the screw axial flow impeller, the multiple layer impeller bodies are arranged in the radial direction in a layering mode, and the area of an overflow channel is increased, so that on the condition that the hub ratio of the axial flow impeller is not decreased, the transportation flow during operation of a high efficiency area is increased, and the multi-phase mixed transportation capacity of the axial flow impeller is improved.
Description
Technical field
The present invention relates to mixing pump field, particularly relate to a kind of helico-axial impeller.
Background technology
Axial-flow type multiphase mixing transmission pump due to conveying fluid be the oil-containing from the direct extraction of oil well,
Gas and water and the multiphase mixture of various impurity, and gas phase and liquid content are often beyond routine
Pump and the working range of compressor, therefore multiphase mixing transmission pump is with vane pump and compressor
Double grading.Wherein reduce the hub ratio of impeller, flow losses can be reduced, increase flow-passing surface
Long-pending, but it is as the reduction of hub ratio, impeller degreeof tortuosity increases, and can cause movement disorder,
Easily produce secondary back in outlet, make the efficient district of multiphase pump narrow, so that conveying capacity
Reduce.
Therefore, how to improve the mixed Movement Capabilities of impeller, be that those skilled in the art are badly in need of solving
Technical problem.
Summary of the invention
It is an object of the invention to provide a kind of helico-axial impeller, impeller can be effectively improved
Mixed Movement Capabilities, increases and transports flow.
For solving above-mentioned technical problem, the technical scheme is that
A kind of helico-axial impeller, including: and the first floor impeller that rotating shaft connects, along described head
The radial direction of layer impeller has outwards been fixedly connected sequentially one or more layers outer layer impeller.
Preferably, one layer of described outer layer impeller it is provided with outside described first floor impeller.
Preferably, between described first floor impeller and described outer layer impeller, it is provided with the thin cylinder of connection, described
Connect that the inwall of the outer wall of thin cylinder and described outer layer impeller is fixing to be connected, the thin cylinder of described connection interior
Wall and the fixing connection of described first floor impeller.
Preferably, the wheel hub of described outer layer impeller be cone angle be the wheel hub of 3 degree to 5 degree, wherein
Including endpoint value.
Preferably, the blade angle of described outer layer impeller be 3 degree to 6 degree, including end
Point value.
Preferably, the cornerite of described outer layer impeller be 120 degree to 180 degree, including end points
Value.
Preferably, the number of blade of described outer layer impeller is no less than 4 and no more than 7.
Preferably, the vane inlet of the vane inlet of described outer layer impeller and described first floor impeller it
Between angle be 10 degree to 20 degree, including endpoint value.
Preferably, the inlet side of described outer layer impeller is along rearmounted 5% to 10% institute of its axial direction
State the axial length of outer layer impeller.
Compared with prior art, technique scheme has the advantage that
A kind of helico-axial impeller provided by the present invention, including: and the first floor that rotating shaft connects
Impeller, the radial direction along first floor impeller has outwards been fixedly connected sequentially one or more layers outer layer leaf
Wheel.The most when the spindle is rotated, first floor impeller can be driven to rotate, and then drive outer layer leaf
Wheel synchronous axial system, by helico-axial impeller is arranged multi-layer impeller in radial direction layering,
Not only increase flow channels area, alleviate blade and the blade of outer layer impeller of first floor impeller
Stress in structure is concentrated, and improves the movement disorder situation caused because of leaf curling, can be effective
Alleviate impeller and import and export water impact and low frequency pulsating, and do not reduce the wheel of aial flow impeller
In the case of hub ratio, both increased the operation of efficient district transports flow, improves again axial-flow type leaf
The multi-phase mixed delivering ability of wheel.
Accompanying drawing explanation
In order to be illustrated more clearly that the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that,
Accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
A kind of helico-axial impeller that Fig. 1 is provided by a kind of detailed description of the invention of the present invention
Structural representation；
Fig. 2 is the split-type structural schematic diagram of Fig. 1；
Fig. 3 is the plan structure schematic diagram of Fig. 1；
Fig. 4 is the sectional structure schematic diagram of Fig. 1.
Reference is as follows:
1 is first floor impeller, and 11 is the blade of first floor impeller, and 2 is outer layer impeller, and 21 is outer layer
The blade of impeller, 3 for connecting thin cylinder.
Detailed description of the invention
The most as described in the background section, the mixed Movement Capabilities of current helico-axial impeller is relatively
Difference.
On the basis of the studies above, embodiments provide a kind of helico-axial leaf
Wheel, when the spindle is rotated, can drive first floor impeller to rotate, and then drives outer layer impeller same
Step rotates, and by helico-axial impeller is arranged multi-layer impeller in radial direction layering, increases
Flow channels area, therefore can be in the situation of the hub ratio not reducing helico-axial impeller
Under, the mixed Movement Capabilities of helico-axial impeller can be improved.
Understandable in order to enable the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below
In conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.
Elaborate detail in the following description so that fully understanding the present invention.But this
Bright can be different from alternate manner described here implement with multiple, those skilled in the art can
To do similar popularization in the case of intension of the present invention.Therefore the present invention is not by following public affairs
The restriction of the detailed description of the invention opened.
Refer to that Fig. 1 to Fig. 4, Fig. 1 are provided by a kind of detailed description of the invention of the present invention one
Plant the structural representation of helico-axial impeller；Fig. 2 is the split-type structural schematic diagram of Fig. 1；
Fig. 3 is the plan structure schematic diagram of Fig. 1；Fig. 4 is the sectional structure schematic diagram of Fig. 1.
A kind of detailed description of the invention of the present invention provides a kind of helico-axial impeller, including:
The first floor impeller 1 connected with rotating shaft, along the radial direction company of fixing the most successively of first floor impeller 1
It is connected to one or more layers outer layer impeller 2.
In the present embodiment, owing to being outwards fixedly connected sequentially along the radial direction of first floor impeller 1
There are 1 layer or multilamellar outer layer impeller 2, the most when the spindle is rotated, first floor impeller 1 can be driven to enter
Row rotate, and then drive outer layer impeller 2 synchronous axial system, by by helico-axial impeller in footpath
To direction, layering arranges multi-layer impeller 2, adds flow channels area, therefore can not subtract
In the case of the hub ratio of minor spiral aial flow impeller, the mixed of helico-axial impeller can be improved
Movement Capabilities.
Further, first floor impeller 1 is outside is provided with one layer of outer layer impeller 2.
A kind of helico-axial impeller that the embodiment of the present invention is provided, first floor impeller 1 and outer layer
It is provided with the thin cylinder 3 of connection between impeller 2, connects outer wall and the inwall of outer layer impeller 2 of thin cylinder 3
Fixing connection, connects inwall and the fixing connection of first floor impeller 1 of thin cylinder 3.
In the present embodiment, by connection thin cylinder 3, first floor impeller 1 and outer layer impeller 2 are carried out
Fixing connection, is on the one hand easy to manufacture, is on the other hand easily installed, wherein can be thin by connecting
Cylinder 3 is arranged at any one of 0.4 to 0.5 place of helico-axial impeller hub and wheel rim spacing
Individual position, including endpoint value.When being provided with connection thin cylinder 3 when, it is also possible to directly exist
Connect the blade 21 that outer layer impeller is set outside thin cylinder 3.
Further, the wheel hub of outer layer impeller 2 be cone angle be any one in 3 degree to 5 degree
The wheel hub of angle, including endpoint value.The wheel hub cone angle of outer layer impeller 2 refers to outside wheel hub
Side is relative to the angle of hub axis.
Wherein, the blade angle of outer layer impeller 2 is any one angle in 3 degree to 6 degree,
Including endpoint value.
Further, any one angle during the cornerite of outer layer impeller 2 is 120 degree to 180 degree
Degree, including endpoint value.
Further, the number of blade of outer layer impeller 2 is 4,5,6 or 7.
Wherein, between blade 21 import and blade 11 import of first floor impeller of outer layer impeller
Angle be 10 degree to 20 degree, including endpoint value.By by the blade of outer layer impeller and head
The blade of layer impeller carries out interlaced arrangement, destroys the uniform of helico-axial impeller outlet current
Property, alleviating impeller imports and exports water impact, stator-rotor interaction declines, improves low frequency pulsating special
Property.
And pass through blade and the leaf of outer layer impeller of the first floor impeller that above-described embodiment is provided
Sheet, alleviates the stress on blade construction and concentrates, improve the flowing caused because of leaf curling disorderly
Random situation.
Further, the inlet side of outer layer impeller 2 is along outside its axial direction rearmounted 5% to 10%
Any one position in the axial length of layer impeller 2.
Above a kind of helico-axial impeller provided by the present invention is described in detail.This
Literary composition applies specific case principle and the embodiment of the present invention are set forth, above reality
The explanation executing example is only intended to help to understand the core concept of the present invention.It should be pointed out that, for this
For the those of ordinary skill of technical field, under the premise without departing from the principles of the invention, also may be used
So that the present invention is carried out some improvement and modification, these improve and modification also falls into right of the present invention
In the protection domain required.
Claims (9)
1. a helico-axial impeller, it is characterised in that including: and the head that rotating shaft connects
Layer impeller, the radial direction along described first floor impeller has outwards been fixedly connected sequentially one or more layers
Outer layer impeller.
Helico-axial impeller the most according to claim 1, it is characterised in that described
One layer of described outer layer impeller it is provided with outside first floor impeller.
Helico-axial impeller the most according to claim 2, it is characterised in that described
Be provided with between first floor impeller and described outer layer impeller connection thin cylinder, the outer wall of the thin cylinder of described connection and
The inwall of described outer layer impeller is fixing to be connected, the inwall of the thin cylinder of described connection and described first floor impeller
Fixing connection.
Helico-axial impeller the most according to claim 3, it is characterised in that described
The wheel hub of outer layer impeller is the wheel hub of cone angle 3 degree to 5 degree, including endpoint value.
Helico-axial impeller the most according to claim 4, it is characterised in that described
The blade angle of outer layer impeller be 3 degree to 6 degree, including endpoint value.
Helico-axial impeller the most according to claim 5, it is characterised in that described
The cornerite of outer layer impeller be 120 degree to 180 degree, including endpoint value.
Helico-axial impeller the most according to claim 6, it is characterised in that described
The number of blade of outer layer impeller is no less than 4 and no more than 7.
8. according to the helico-axial impeller described in any one of claim 1 to 7, its feature
It is, the folder between vane inlet and the vane inlet of described first floor impeller of described outer layer impeller
Angle be 10 degree to 20 degree, including endpoint value.
Helico-axial impeller the most according to claim 8, it is characterised in that described
The inlet side of outer layer impeller is axial along outer layer impeller described in its axial direction rearmounted 5% to 10%
Length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597732.2A CN105971928A (en) | 2016-07-26 | 2016-07-26 | Screw axial flow impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597732.2A CN105971928A (en) | 2016-07-26 | 2016-07-26 | Screw axial flow impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105971928A true CN105971928A (en) | 2016-09-28 |
Family
ID=56950832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597732.2A Pending CN105971928A (en) | 2016-07-26 | 2016-07-26 | Screw axial flow impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105971928A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640742A (en) * | 2016-12-06 | 2017-05-10 | 西华大学 | Spiral axial-flow type oil-gas multiphase pump impeller |
| CN110107529A (en) * | 2019-05-13 | 2019-08-09 | 西华大学 | A kind of axial-flow pump impeller and its axial-flow pump |
| CN111188791A (en) * | 2020-01-03 | 2020-05-22 | 江苏大学 | Inducer with high cavitation resistance |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191410114A (en) * | 1914-04-24 | 1915-07-08 | Ernst Vogel | Improvements in or relating to Axial Reaction or Screw Pumps. |
| BE900062A (en) * | 1984-07-02 | 1984-11-05 | Philipsen Johannes H | Axial flow gas or liquid impeller in cylindrical housing - has helical strip radially spaced from drive shaft and diverging with flow |
| CN2441312Y (en) * | 2000-08-28 | 2001-08-08 | 上海神风科技有限公司 | Submersible aerator propeller device for cultivation and water treatment |
| CN2442003Y (en) * | 2000-04-12 | 2001-08-08 | 中国石油兰州化学工业公司 | Blade type gas/liquid/solid multiple phase mixed transport pump |
| JP2002195183A (en) * | 2000-12-22 | 2002-07-10 | Ishikawajima Harima Heavy Ind Co Ltd | Gate pump device |
| CN2583977Y (en) * | 2002-11-05 | 2003-11-05 | 刘良 | Impeller device of automatic aerator |
| CN1842656A (en) * | 2004-02-25 | 2006-10-04 | 费利克斯·桑切斯·桑切斯 | Round honeycomb rotor |
| CN1971060A (en) * | 2006-11-29 | 2007-05-30 | 黎观福 | Double-flow-direction propeller |
| CN102748300A (en) * | 2012-06-29 | 2012-10-24 | 江苏国泉泵业制造有限公司 | Spiral axial-flow pump |
| CN103291651A (en) * | 2013-06-08 | 2013-09-11 | 江苏科技大学 | Double-stage variable-speed oppositely-rotating axial flow pump flow passage component for water spraying propelling |
| CN104832454A (en) * | 2015-04-15 | 2015-08-12 | 江苏永一泵业科技集团有限公司 | High-lift helical-blade impeller |
| CN205858776U (en) * | 2016-07-26 | 2017-01-04 | 西华大学 | A kind of helico-axial impeller |
-
2016
- 2016-07-26 CN CN201610597732.2A patent/CN105971928A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191410114A (en) * | 1914-04-24 | 1915-07-08 | Ernst Vogel | Improvements in or relating to Axial Reaction or Screw Pumps. |
| BE900062A (en) * | 1984-07-02 | 1984-11-05 | Philipsen Johannes H | Axial flow gas or liquid impeller in cylindrical housing - has helical strip radially spaced from drive shaft and diverging with flow |
| CN2442003Y (en) * | 2000-04-12 | 2001-08-08 | 中国石油兰州化学工业公司 | Blade type gas/liquid/solid multiple phase mixed transport pump |
| CN2441312Y (en) * | 2000-08-28 | 2001-08-08 | 上海神风科技有限公司 | Submersible aerator propeller device for cultivation and water treatment |
| JP2002195183A (en) * | 2000-12-22 | 2002-07-10 | Ishikawajima Harima Heavy Ind Co Ltd | Gate pump device |
| CN2583977Y (en) * | 2002-11-05 | 2003-11-05 | 刘良 | Impeller device of automatic aerator |
| CN1842656A (en) * | 2004-02-25 | 2006-10-04 | 费利克斯·桑切斯·桑切斯 | Round honeycomb rotor |
| CN1971060A (en) * | 2006-11-29 | 2007-05-30 | 黎观福 | Double-flow-direction propeller |
| CN102748300A (en) * | 2012-06-29 | 2012-10-24 | 江苏国泉泵业制造有限公司 | Spiral axial-flow pump |
| CN103291651A (en) * | 2013-06-08 | 2013-09-11 | 江苏科技大学 | Double-stage variable-speed oppositely-rotating axial flow pump flow passage component for water spraying propelling |
| CN104832454A (en) * | 2015-04-15 | 2015-08-12 | 江苏永一泵业科技集团有限公司 | High-lift helical-blade impeller |
| CN205858776U (en) * | 2016-07-26 | 2017-01-04 | 西华大学 | A kind of helico-axial impeller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640742A (en) * | 2016-12-06 | 2017-05-10 | 西华大学 | Spiral axial-flow type oil-gas multiphase pump impeller |
| CN106640742B (en) * | 2016-12-06 | 2022-10-11 | 西华大学 | Spiral axial-flow type oil-gas mixed transportation pump impeller |
| CN110107529A (en) * | 2019-05-13 | 2019-08-09 | 西华大学 | A kind of axial-flow pump impeller and its axial-flow pump |
| CN111188791A (en) * | 2020-01-03 | 2020-05-22 | 江苏大学 | Inducer with high cavitation resistance |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |
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| RJ01 | Rejection of invention patent application after publication |