CN210087675U - Disc pump impeller - Google Patents
Disc pump impeller Download PDFInfo
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- CN210087675U CN210087675U CN201920748905.5U CN201920748905U CN210087675U CN 210087675 U CN210087675 U CN 210087675U CN 201920748905 U CN201920748905 U CN 201920748905U CN 210087675 U CN210087675 U CN 210087675U
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- cover plate
- front cover
- guide vane
- impeller
- disc pump
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Abstract
The utility model discloses a disc pump impeller, which comprises a front cover plate, a rear cover plate, a front cover plate guide vane, a rear cover plate guide vane and a wheel hub, wherein the front cover plate is connected with the rear cover plate through a connecting key, the cross section of the guide vane is gradually changed into a circular arc, and the radius of the circular arc is gradually increased from the center of the impeller to the periphery of the impeller; through holes penetrating through the front cover plate are symmetrically arranged between the front cover plate upper guide vane and the front cover plate guide vane; the arc of each guide vane is tangent to the cover plate surface. The section of the arc blade of the utility model adopts a smooth transition mode, when materials are conveyed, the contact angle between the materials and the guide blade is smaller, compared with the traditional straight blade disc pump, the efficiency is not reduced, and the cutting damage to the materials is reduced; the arc-shaped blades with staggered lengths are adopted, so that the cavitation erosion performance of the disc pump is improved and the hydraulic performance of the pump is improved on the premise that the efficiency is not reduced; according to different conveying materials, the nail-shaped blades are adopted, so that the integrity of the materials can be protected on the basis of small change of the conveying efficiency.
Description
Technical Field
The utility model belongs to the technical field of fluid delivery pump design and manufacture, in particular to disc pump impeller design and manufacture technology.
Background
The disc pump is a centrifugal pump with a special impeller structure, realizes energy conversion in a laminar flow mode, has the advantages of stable unit operation, no blockage, small abrasion of flow passage parts, long service life and the like, and is widely applied to industries such as petroleum, chemical engineering, mines and the like abroad.
Chinese application 201810687823.4 discloses a disc pump manufacturing method and a disc pump. This disc pump forms through traditional centrifugal pump transformation, sets up the breach along the radial of centrifugal pump on the blade, makes the runner between a plurality of blades communicate each other, utilizes fluidic viscous force to pull the fluid and carry, can adapt to the transport of the working medium that viscosity is big.
The guide vanes of the disc pump disclosed in the chinese application 201810687823.4 and the existing disc pump adopt straight guide vanes, the impeller rotating at high speed in the process of transporting materials collides with the transported materials, the angle of the straight guide vanes colliding with the transported materials is too large, the transported materials are easily damaged, and the integrity protection of the transported materials is insufficient, so that the disc pump capable of protecting the transported materials to the greatest extent and having better conveying capacity needs to be designed.
Disclosure of Invention
The utility model discloses a disc pump impeller according to prior art's not enough. The to-be-solved problem of the utility model is to the disc pump transportation to being transported the material and producing excessive collision cutting, destroying the integrality of transporting the material and to the problem that the stator produced the damage, provided a new disc pump impeller.
The utility model discloses a following technical scheme realizes:
disc pump impeller, including front shroud, back shroud, front shroud stator, back shroud stator and the wheel hub that constitutes the impeller, the front shroud passes through the connector key with the back shroud to be connected fixedly, its characterized in that: the cross sections of the front cover plate guide vanes and the rear cover plate guide vanes are gradually changed into arc shapes, and the radius of each guide vane arc is gradually increased from the center of the impeller to the periphery of the impeller.
Through holes penetrating through the front cover plate are symmetrically arranged between the front cover plate upper guide vane and the front cover plate guide vane.
The front cover plate and the rear cover plate are fixedly connected through four groups of connecting keys, and each group of connecting keys are positioned at the inner side of the radius of the wheel cover of the front cover plate and close to one fifth of the periphery.
The arc of each guide vane is tangent to the cover plate surface.
The radial length of the front cover plate guide vane is greater than that of the rear cover plate guide vane.
The optimal position of each group of connecting keys is positioned at the guide vanes of the front cover plate and the guide vanes of the rear cover plate.
The utility model discloses a structure of stator is that the front shroud stator is the same along radial length, and the back shroud stator is the same along radial length.
The utility model discloses another kind of structure of stator can also be that the front shroud stator is long, short adjacent stator along radial interval, symmetrical arrangement, and the back shroud stator is long, short adjacent stator along radial interval, symmetrical arrangement.
The guide vane of the utility model can also have a structure that each front cover plate guide vane is a hemispherical bulge which is equidistant with each other along the radial direction and has a radius gradually increased from the center of the impeller to the periphery of the impeller; each rear cover plate guide vane is a hemispherical bulge which is equidistant from each other along the radial direction and the radius of which is gradually increased from the center of the impeller to the periphery of the impeller.
The utility model discloses profitability: the section of the arc blade adopts a smooth transition mode, so that the contact angle between the material and the guide blade is smaller when the material is conveyed. Through the through-flow effect of utilizing the circular arc blade, compare traditional straight vane disc pump efficiency and not reduce, and the cutting damage to the material reduces. The arc-shaped blades with staggered lengths improve the cavitation erosion performance of the disc pump and improve the hydraulic performance of the pump on the premise of not reducing the efficiency; according to different conveying materials, the nail-shaped blades are adopted, so that the integrity of the materials can be protected on the basis of small change of the conveying efficiency.
Drawings
Fig. 1 is an isometric view of an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
fig. 3 is a right side view of an embodiment of the present invention;
fig. 4 is a left side view of an embodiment of the present invention;
FIG. 5 is a right side view, in section, of an embodiment of the present invention;
fig. 6 is a cross-sectional left side view of an embodiment of the present invention;
FIG. 7 is a isometric view of an embodiment of the present invention;
fig. 8 is a second front view of an embodiment of the present invention;
fig. 9 is a right side view of a second embodiment of the present invention;
fig. 10 is a left side view of a second embodiment of the present invention;
FIG. 11 is a right side view, in cross-section, of an embodiment of the present invention;
fig. 12 is a two-axis cross-sectional left side view of an embodiment of the present invention;
fig. 13 is a three-isometric view of an embodiment of the present invention;
fig. 14 is a third front view of an embodiment of the present invention;
fig. 15 is a right side view of an embodiment of the present invention;
fig. 16 is a third left side view of the embodiment of the present invention;
fig. 17 is a three-axial cross-sectional right side view of an embodiment of the present invention;
fig. 18 is a three-axial cross-sectional left side view of an embodiment of the present invention.
In the figure, 1 is a front cover plate, 2 is a through hole, 3 is a rear cover plate, 4 is a front cover plate guide vane, 5 is a hub, 6 is a rear cover plate guide vane, 7 is a connecting key, 8 is a front cover plate short guide vane, and 9 is a rear cover plate short guide vane.
Detailed Description
The present invention will be further described with reference to the following embodiments, which are intended to illustrate the principles of the present invention without limiting the present invention in any way, and the present invention is not beyond the scope of the present invention.
With reference to the attached drawings.
Example one
The impeller comprises an impeller front cover plate 1 and a balance hole 2 used for balancing axial force on the front cover plate 1, wherein a hub 5 connected with a generator bearing and an arc-shaped front cover plate guide vane 4 are arranged on the front cover plate 1, the front cover plate 1 is connected with a rear cover plate 3 through a cylindrical connecting key 7, and a rear cover plate guide vane 6 similar to the front cover plate guide vane 4 is arranged on the rear cover plate 3
The balance hole 2 on the front cover plate 1 is used for balancing the axial force generated by the impeller during working, reducing the abrasion of the end surface of the bearing and the abrasion of the thrust disc to protect the bearing, the thrust disc and the control pump pressure. The hub 5 is intended to cooperate with a generator rotary bearing. The radius of the circle of the guide vane section of the front cover plate guide vane 4 close to the hub 5 is minimum, the radian is also minimum, the radius of the section circle and the radian are gradually changed to be maximum along the axis, and the front cover plate and the rear cover plate are connected by a connecting key 7. The rear cover plate guide vanes 6 on the rear cover plate 3 are similar to the front cover plate guide vanes 4 but are shorter in gradual change length.
Example two
Referring to the first embodiment, the other characteristics are unchanged, a front cover plate short guide vane 8 is added on the front cover plate 1, and a rear cover plate short guide vane 9 is added on the rear cover plate 3
EXAMPLE III
The impeller comprises an impeller front cover plate 1 and a balance hole 2 used for balancing axial force on the front cover plate 1, wherein a hub 5 connected with a generator bearing and a nail-shaped front cover plate guide vane 4 with uniform radius and height along the radial direction are arranged on the front cover plate 1, the front cover plate guide vane 4 is uniformly distributed along the radial direction, the front cover plate 1 is connected with a rear cover plate 3 through a cylindrical connecting key 7, and a nail-shaped rear cover plate guide vane 6 similar to the front cover plate guide vane 4 is arranged on the rear cover plate 3
The balance hole 2 on the front cover plate 1 is used for balancing the axial force generated by the impeller during working, and reducing the abrasion of the end surface of the bearing and the abrasion of the thrust disc to protect the bearing, the thrust disc and the control pump pressure. The hub 5 is intended to cooperate with a generator rotary bearing.
Claims (9)
1. The utility model provides a disc pump impeller, is including front shroud, back shroud, front shroud stator, back shroud stator and the wheel hub that constitutes the impeller, and the front shroud passes through the connector key with the back shroud to be connected fixedly, its characterized in that: the cross sections of the front cover plate guide vanes and the rear cover plate guide vanes are gradually changed into arc shapes, and the radius of each guide vane arc is gradually increased from the center of the impeller to the periphery of the impeller.
2. The disc pump impeller of claim 1, wherein: through holes penetrating through the front cover plate are symmetrically arranged between the front cover plate upper guide vane and the front cover plate guide vane.
3. A disc pump impeller according to claim 2, wherein: the front cover plate and the rear cover plate are fixedly connected through four groups of connecting keys, and each group of connecting keys are positioned at the inner side of the radius of the wheel cover of the front cover plate and close to one fifth of the periphery.
4. A disc pump impeller according to claim 1, 2 or 3, wherein: the arc of each guide vane is tangent to the cover plate surface.
5. The disc pump impeller of claim 4, wherein: the radial length of the front cover plate guide vane is greater than that of the rear cover plate guide vane.
6. A disc pump impeller according to claim 5, wherein: and each group of connecting keys is positioned at the front cover plate guide vane and the rear cover plate guide vane.
7. A disc pump impeller according to claim 5, wherein: the guide vanes of the front cover plate have the same length along the radial direction, and the guide vanes of the rear cover plate have the same length along the radial direction.
8. A disc pump impeller according to claim 5, wherein: the guide vanes adjacent to the front cover plate in length and short are symmetrically arranged along the radial direction, and the guide vanes adjacent to the rear cover plate in length and short are symmetrically arranged along the radial direction.
9. A disc pump impeller according to claim 5, wherein: each front cover plate guide vane is a hemispherical bulge which is equidistant to each other along the radial direction and the radius of the hemispherical bulge gradually increases from the center of the impeller to the periphery of the impeller; each rear cover plate guide vane is a hemispherical bulge which is equidistant from each other along the radial direction and the radius of which is gradually increased from the center of the impeller to the periphery of the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748905.5U CN210087675U (en) | 2019-05-23 | 2019-05-23 | Disc pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748905.5U CN210087675U (en) | 2019-05-23 | 2019-05-23 | Disc pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087675U true CN210087675U (en) | 2020-02-18 |
Family
ID=69479826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920748905.5U Active CN210087675U (en) | 2019-05-23 | 2019-05-23 | Disc pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159585A (en) * | 2019-05-23 | 2019-08-23 | 西华大学 | A kind of disk impeller of pump |
| CN111946613A (en) * | 2020-08-25 | 2020-11-17 | 扬州大学 | Design method of micro disc pump based on laminar boundary layer and rotating magnetic field |
-
2019
- 2019-05-23 CN CN201920748905.5U patent/CN210087675U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159585A (en) * | 2019-05-23 | 2019-08-23 | 西华大学 | A kind of disk impeller of pump |
| CN110159585B (en) * | 2019-05-23 | 2024-02-13 | 西华大学 | Disc pump impeller |
| CN111946613A (en) * | 2020-08-25 | 2020-11-17 | 扬州大学 | Design method of micro disc pump based on laminar boundary layer and rotating magnetic field |
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