CN212454943U - Impeller and slurry pump - Google Patents
Impeller and slurry pump Download PDFInfo
- Publication number
- CN212454943U CN212454943U CN202022013265.9U CN202022013265U CN212454943U CN 212454943 U CN212454943 U CN 212454943U CN 202022013265 U CN202022013265 U CN 202022013265U CN 212454943 U CN212454943 U CN 212454943U
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- pump
- impeller
- shaft
- main body
- sheath
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- 239000002002 slurry Substances 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an impeller, which comprises an impeller main body, wherein a plurality of blades distributed circumferentially are arranged on the impeller main body, and the single blade is gradually twisted from the center of the impeller main body to the edge of the impeller main body; the utility model also relates to a slurry pump, which comprises a welding bottom plate, wherein a motor and a bracket are fixed on the welding bottom plate, a shaft seal transmission part is arranged on the bracket, a pump shaft is connected inside the shaft seal transmission part, one end of the pump shaft is provided with a shaft coupling, the other end of the pump shaft is connected with a pump body, and the pump shaft is connected with the motor through the shaft coupling; the pump body is a closed cavity, the impeller is arranged in the cavity, and the impeller is fixedly connected with the pump shaft; the utility model has the advantages of reasonable design, be favorable to improving the efficiency of pump.
Description
Technical Field
The utility model relates to a sediment stuff pump technical field especially relates to an impeller and sediment stuff pump.
Background
The slurry pump is widely applied to the industries and fields of mining, metallurgy, electric power, environmental protection and the like which relate to the transportation of solid-liquid two-phase media, and is equipment which increases the energy of solid-liquid mixed media by means of the action of centrifugal force and converts electric energy into kinetic energy and potential energy of the media. The blade of the general industrial two-phase flow pump is cylindrical, the specific revolution of the pump is generally low, the later adopted is a circular arc line and an involute, the medium conveyed by the slurry pump contains more solid particles, and hard solid particles in the medium can generate strong abrasion action on the overflowing part of the pump, so that the service life of the pump is shortened, the blade adopted at the present stage is of a logarithmic spiral structure, the medium flow rule in an impeller is met, the abrasion action is reduced, the working efficiency is high, but the efficiency of the pump is similar to that of the involute-shaped blade.
The utility model with the publication number of CN205078456U discloses a double-shell slurry pump, which comprises a base, a bracket, a main shaft and a pump body, wherein the bracket is arranged on the base, one end of the bracket is connected with a shaft coupling, the other end is connected with the pump body, the pump body comprises a pump shell, a material inlet, a material outlet, a front guard plate, a rear guard plate and an auxiliary impeller, although the pump body is not easy to wear, and the service life is prolonged; however, the double-shell structure adopted increases the cost; meanwhile, the bottom plate is only connected with the bracket, so that the connection stability of the motor, the bracket and the main shaft cannot be ensured.
Disclosure of Invention
The utility model discloses a solve among the prior art efficiency that the impeller can not improve the pump and the lower problem of stability is connected with bracket and main shaft to the motor, provide an impeller and sediment stuff pump.
In order to realize the purpose, the technical scheme of the utility model is that:
the impeller comprises an impeller main body, wherein a plurality of blades which are distributed in the circumferential direction are arranged on the impeller main body, and the blades are twisted gradually from the center of the impeller main body to the edge of the impeller main body.
Further, the thickness of the blade is gradually reduced from the edge of the impeller main body to the center of the impeller main body.
A slurry pump comprises a welding bottom plate, wherein a motor and a bracket are fixed on the welding bottom plate, a shaft seal transmission part is arranged on the bracket, a pump shaft is connected inside the shaft seal transmission part, one end of the pump shaft is provided with a coupler, the other end of the pump shaft is provided with a pump body, and the pump shaft is connected with the motor through the coupler; the pump body is a closed cavity, the impeller is arranged in the cavity, and the impeller is fixedly connected with the pump shaft.
Furthermore, the pump body includes preceding pump cover and back pump cover, preceding pump cover and back pump cover seal chamber body, preceding pump cover department is provided with the material import.
Furthermore, a front plate is arranged on one side of the pump body, a supporting plate is connected to the other side of the pump body, a secondary impeller sheath is arranged on the lower portion of the supporting plate, a secondary impeller is arranged in the secondary impeller sheath, and the secondary impeller is fixedly connected with the pump shaft; an oil cup is fixed on one side of the secondary impeller sheath and is connected with the pump shaft.
Further, a pump cover pad is arranged at the joint of the front plate and the pump body.
Furthermore, O-shaped rings are arranged at the joint of the impeller and the auxiliary impeller, the joint of the auxiliary impeller sheath and the rear pump cover and the joint of the auxiliary impeller sheath and the oil cup.
Furthermore, a coupler housing is connected to the outside of the coupler, and the coupler housing is fixedly connected with the welding bottom plate.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a be provided with a plurality of blades that are circumference and distribute in impeller main part, singly the blade is become angle logarithm spiral line structure, and the blade is from impeller main part center department to impeller main part edge distortion gradually, reduces the axial power of pump, improves hydraulic efficiency, improves the efficiency of pump; the thickness of the blade is gradually reduced from the edge of the impeller main body to the center of the impeller main body, so that the abrasion condition of the blade is improved, and the blockage is prevented; the abrasion of the blades is improved, the shaft power of the pump is reduced, the hydraulic efficiency is improved, and the efficiency of the pump is improved; the utility model discloses still relate to a sediment stuff pump, motor and bracket are with on the welded bottom plate, improve holistic stability, and the shaft coupling outside is provided with the shaft coupling housing, improves the stability and the leakproofness of pump shaft and motor. And a pump cover pad is arranged at the joint of the front plate and the pump body. O-shaped rings are arranged at the joint of the impeller and the auxiliary impeller, the joint of the auxiliary impeller sheath and the rear pump cover and the joint of the auxiliary impeller sheath and the oil cup, so that the overall sealing performance of the slurry pump is improved.
Drawings
Fig. 1 is a schematic structural view of a slurry pump of the present invention.
Figure 2 is the side view schematic structure of figure 1 of a slurry pump of the present invention.
Fig. 3 is the internal sectional structure diagram of the bracket and the pump body of the slurry pump of the present invention.
Fig. 4 is one of the structural schematic diagrams of an impeller according to the present invention.
Fig. 5 is a second schematic structural diagram of an impeller according to the present invention.
The reference numbers in the drawings are as follows: the pump comprises a welding bottom plate 1, a front pump cover 2, an impeller 3, a pump body 4, a secondary impeller 5, a secondary impeller sheath 6, an O-shaped ring 7, an oil cup 8, a coupling housing 9, a coupling 10, a motor 11, a rear pump cover 12, a front plate 13, a support plate 14, a bracket 15, a pump shaft 16, a shaft seal transmission part 17, a pump cover pad 18, an impeller main body 19 and blades 20.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 5, an impeller includes an impeller main body 19, a plurality of blades 20 distributed circumferentially are disposed on the impeller main body 19, a single blade 20 is gradually twisted from the center of the impeller main body 19 to the edge of the impeller main body 19, and the curve of the blade 20 is calculated by a variable-angle logarithmic spiral, so that the shaft power of a pump is reduced, the hydraulic efficiency is improved, and the efficiency of the pump is improved; the thickness of the blades 20 is gradually reduced from the edge of the impeller main body 19 to the center of the impeller main body 19, so that the abrasion condition of the blades 20 is improved, the service life of the blades 20 is prolonged, and blockage is prevented; the blade curve is calculated through the variable-angle logarithmic spiral and indicates the algorithm according to the logarithmic spiral, under different angles, the change of the curve radian of the blade 20 promotes the water conservancy efficiency when water flows through the blade 20, and is beneficial to reducing the shaft power of the pump and improving the efficiency of the pump on the whole.
The utility model also provides a slurry pump, including welded baseplate 1, be fixed with motor 11 and bracket 15 on welded baseplate 1, be provided with bearing seal transmission portion 17 on bracket 15, in this embodiment bearing seal transmission portion 17 is the bearing seal transmission structure of wide application in the slurry pump, 17 internal connection in bearing seal transmission portion has pump shaft 16, 16 one end of pump shaft is provided with shaft coupling 10, the other end is provided with the pump body 4, pump shaft 16 passes through shaft coupling 10 with motor 11 and is connected, and 16 tip of pump shaft is provided with impeller 3, be provided with a plurality of blades 20 that are circumference and distribute on impeller main part 19, singly blade 20 is become angle logarithmic spiral structure, adopts become angle logarithmic spiral design blade 20 to be favorable to optimizing the flow field structure in the impeller 3, the performance of elevator pump. The blades 20 are gradually twisted from the center of the impeller main body 19 to the edge of the impeller main body 19, so that the shaft power of the pump is reduced, the hydraulic efficiency is improved, and the efficiency of the pump is improved; the thickness of the blades 20 is gradually reduced from the edge of the impeller main body 19 to the center of the impeller main body 19, so that the abrasion condition of the blades 20 is improved, and blockage is prevented; the pump body 4 is a sealed cavity, specifically, the pump body 4 comprises a front pump cover 2 and a rear pump cover 12, the front pump cover 2 and the rear pump cover 12 form a sealed cavity, the upper part of the pump body 4 is provided with a material outlet, and the front pump cover 2 is provided with a material inlet; the impeller 3 is arranged in the cavity, and the impeller 3 is fixedly connected with the pump shaft 16.
In order to optimize the product structure, a front plate 13 is arranged on one side of the pump body 4, a support plate 14 is connected to the other side of the pump body 4, a secondary impeller sheath 6 is arranged on the lower portion of the support plate 14, a secondary impeller 5 is arranged in the secondary impeller sheath 6, and the secondary impeller 5 is fixedly connected with a pump shaft 16; an oil cup 8 is fixed on one side of the secondary impeller sheath 6, and the oil cup 8 is connected with a pump shaft 16.
In order to improve the sealing performance of the pump, a pump cover gasket 18 is arranged at the joint of the front plate 13 and the pump body 4. And O-shaped rings 7 are arranged at the joint of the impeller 3 and the auxiliary impeller 5, the joint of the auxiliary impeller sheath 6 and the rear pump cover 12 and the joint of the auxiliary impeller sheath 6 and the oil cup 8, and the O-shaped rings 7 are made of rubber in the embodiment. The outer part of the coupler 10 is connected with a coupler housing 9, and the coupler housing 9 is fixedly connected with the welding bottom plate 1.
When the impeller is used, the motor 11 drives the pump shaft 16 to rotate through the coupler 10, and the pump shaft 16 drives the impeller 3 to rotate.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (8)
1. The impeller is characterized by comprising an impeller main body (19), wherein a plurality of blades (20) distributed in the circumferential direction are arranged on the impeller main body (19), and the single blade (20) is gradually twisted from the center of the impeller main body (19) to the edge of the impeller main body (19).
2. An impeller according to claim 1, characterized in that the thickness of the blades (20) is gradually reduced from the edge of the impeller body (19) to the centre of the impeller body (19).
3. A slurry pump comprises a welding bottom plate (1), wherein a motor (11) and a bracket (15) are fixed on the welding bottom plate (1), a shaft seal transmission part (17) is arranged on the bracket (15), a pump shaft (16) is connected inside the shaft seal transmission part (17), one end of the pump shaft (16) is provided with a shaft coupling (10), the other end of the pump shaft is provided with a pump body (4), and the pump shaft (16) is connected with the motor (11) through the shaft coupling (10); characterized in that, still include the impeller (3) of any one of claims 1 and 2, the pump body (4) is airtight cavity, impeller (3) sets up in the cavity, impeller (3) and pump shaft (16) fixed connection.
4. The slurry pump according to claim 3, wherein the pump body (4) comprises a front pump cover (2) and a rear pump cover (12), the front pump cover (2) and the rear pump cover (12) form a sealed cavity, and a material inlet is formed at the front pump cover (2).
5. The slurry pump according to claim 3, wherein a front plate (13) is arranged on one side of the pump body (4), a support plate (14) is connected to the other side of the pump body (4), a secondary impeller sheath (6) is arranged on the lower portion of the support plate (14), a secondary impeller (5) is arranged in the secondary impeller sheath (6), the secondary impeller (5) is fixedly connected with the pump shaft (16), an oil cup (8) is fixed on one side of the secondary impeller sheath (6), and the oil cup (8) is connected with the pump shaft (16).
6. A slurry pump according to claim 5, wherein a pump head gasket (18) is provided at the junction of the front plate (13) and the pump body (4).
7. The slurry pump according to claim 5, wherein O-rings (7) are arranged at the joint of the impeller (3) and the secondary impeller (5), the joint of the secondary impeller sheath (6) and the rear pump cover (12), and the joint of the secondary impeller sheath (6) and the oil cup (8).
8. The slurry pump according to claim 3, wherein a coupling housing (9) is connected to the outside of the coupling (10), and the coupling housing (9) is fixedly connected with the welding bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013265.9U CN212454943U (en) | 2020-09-15 | 2020-09-15 | Impeller and slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022013265.9U CN212454943U (en) | 2020-09-15 | 2020-09-15 | Impeller and slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212454943U true CN212454943U (en) | 2021-02-02 |
Family
ID=74474612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022013265.9U Active CN212454943U (en) | 2020-09-15 | 2020-09-15 | Impeller and slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212454943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997931A (en) * | 2020-09-15 | 2020-11-27 | 郑州联兴冶金设备有限公司 | Impeller and slurry pump |
-
2020
- 2020-09-15 CN CN202022013265.9U patent/CN212454943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997931A (en) * | 2020-09-15 | 2020-11-27 | 郑州联兴冶金设备有限公司 | Impeller and slurry pump |
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