CN211343474U - Efficient three-dimensional flow energy-saving impeller - Google Patents
Efficient three-dimensional flow energy-saving impeller Download PDFInfo
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- CN211343474U CN211343474U CN201921198292.9U CN201921198292U CN211343474U CN 211343474 U CN211343474 U CN 211343474U CN 201921198292 U CN201921198292 U CN 201921198292U CN 211343474 U CN211343474 U CN 211343474U
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- impeller
- blades
- main shaft
- shaft mounting
- mounting hole
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Abstract
The utility model discloses a high-efficiency three-dimensional flow energy-saving impeller, which comprises an impeller body, a main shaft mounting hole is arranged in the middle of the impeller body, the impeller body comprises a front wheel disc, blades and a rear wheel disc, the blades are radially arranged on the rear wheel disc around the main shaft mounting hole, the front wheel disc is arranged at the front side of the blades, the blades are three-dimensional blades, the blades are concave and convex along the circle center direction of the main shaft mounting hole, the blades comprise a plurality of impeller blades, the impeller blades are uniformly arranged on the rear wheel disc at equal intervals, the impeller is connected with an impeller water inlet pipe, an auxiliary impeller is arranged in the impeller water inlet pipe, a water guide column is arranged in the middle of the auxiliary impeller, the blades of the auxiliary impeller are helical blades and are fixedly connected on the outer side wall of the water guide column, the water guide column is arranged on the axis of the impeller water inlet pipe, the weight of the equipment is reduced, the energy consumption is reduced, the noise is low, the vibration is small and the kinetic energy efficiency is high during operation.
Description
Technical Field
The utility model relates to an impeller field specifically is an energy-conserving impeller of high-efficient three-dimensional flow.
Background
Due to the requirement of industrial production, high efficiency is the main direction of development of water pumps in the future. The design structure of the optimized water pump impeller achieves the highest efficiency improvement of the pump unit, so that the operation efficiency of the water pump is improved to the greatest extent. The problem that water pump enterprises need to increase the scientific research strength is solved. The key of the water pump which is a major trend meeting the industrial development demand is the impeller rotor, the traditional water pump adopts a unitary or binary impeller, the overall efficiency is low, the weight of the adopted rivet welding impeller is heavy, the service life of a bearing and a seal can be shortened, the abrasion resistance degree of the bearing and the seal can be reduced, the hydraulic loss is large, the service life of the whole water pump is reduced, and the ideal water pump efficiency cannot be achieved, so that an improved and efficient impeller is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving impeller of high-efficient three-dimensional flow to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an energy-conserving impeller of high-efficient ternary flow, includes the impeller body, be provided with the main shaft mounting hole in the middle of the impeller body, the impeller body includes preceding rim plate, blade and back rim plate, the blade is radially setting up on the rim plate of back around the main shaft mounting hole, preceding rim plate sets up the front side at the blade, the blade is ternary blade, and the blade is unsmooth form along the centre of a circle direction of main shaft mounting hole.
As a further aspect of the present invention: the blade advances water piping connection with the impeller, is equipped with supplementary impeller in the impeller inlet tube, and supplementary impeller's middle part is equipped with the water guide post, and supplementary impeller's blade is helical blade and fixed connection on the outside lateral wall of water guide post, the water guide post is established on the axis of impeller inlet tube.
As a further aspect of the present invention: the spiral direction of the spiral blade of the auxiliary impeller is the same as that of the impeller blade, and a structure that two half impeller blades are arranged in a staggered mode is adopted.
As a further aspect of the present invention: the blades comprise a plurality of impeller blades which are uniformly arranged on the rear wheel disc at equal intervals.
As a further aspect of the present invention: and a main shaft mounting structure is arranged in the main shaft mounting hole.
As a further aspect of the present invention: the mounting structure is a gap connecting key arranged in the main shaft mounting hole.
As a further aspect of the present invention: the impeller body is made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that: the traditional unitary or binary impeller is converted into ternary, an advanced quasi-three-dimensional (three-dimensional flow) design is adopted for an impeller blade channel, the weight of equipment is reduced, the energy consumption is reduced, the noise is low, the vibration is small, the kinetic energy efficiency is high during operation, and the operation efficiency of the water pump reaches 88%. Compared with the common impeller, the high-efficiency three-dimensional flow impeller has the following advantages:
1. the anti-cavitation performance is higher, and the cavitation allowance is improved;
2. the liquid flow impact loss is reduced, and the service life of the pump set is prolonged;
3. the weight of a rotor of the water pump is reduced, the radial force of a pump unit is reduced, and the service life of a bearing is prolonged;
4. the flow area of the liquid flow inlet is enlarged, and the efficiency of the pump set is improved;
5. the rotor operation deflection value is reduced, and the abrasion and the power loss of an impeller opening ring are reduced;
6. the abrasion of the seal is reduced, and the service life is prolonged;
7. the impeller is designed in a full three-dimensional manner, so that the design is optimized and the efficiency of the impeller is improved;
8. the surface of the impeller which can be processed is completely machined, and the impeller flow channel is precisely cast, so that the smoothness of the impeller is comprehensively improved, and the water loss is reduced. And the impeller is cast by stainless steel materials, so that the stable operation of the water pump is ensured, the efficiency is improved, and the impeller is suitable for conveying various media.
Drawings
Fig. 1 is a sectional view of a high-efficiency three-dimensional flow energy-saving impeller.
Fig. 2 is a schematic structural diagram of a high-efficiency three-dimensional flow energy-saving impeller.
Wherein: the impeller comprises an impeller body 1, a main shaft mounting hole 2, blades 3, a front wheel disc 4 and a rear wheel disc 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-2, in the embodiment of the present invention, a high-efficiency three-dimensional flow energy-saving impeller comprises an impeller body 1, a main shaft mounting hole 2 is arranged in the middle of the impeller body 1, the impeller body 1 comprises a front wheel disc 4, blades 3 and a rear wheel disc 5, the front wheel disc 4 is added compared with a traditional impeller, and the impeller is more suitable for various centrifugal water pumps, the blades 3 are radially arranged on the rear wheel disc 5 around the main shaft mounting hole 2, the front wheel disc 4 is arranged on the front side of the blades 3, the blades 3 are three-dimensional blades, the blades 3 are concave and convex along the direction of the circle center of the main shaft mounting hole 2, so that the blades 3 form a combined concave and convex rotating surface, the blades 3 are connected with an impeller water inlet pipe, an auxiliary impeller is arranged in the impeller water inlet pipe, a water guide column is arranged in the middle of the auxiliary impeller, the blades of the auxiliary impeller, the water guide column is arranged on the axis of the impeller water inlet pipe; helical direction and impeller blade's helical direction of auxiliary impeller are the same, adopt two halves impeller blade staggered arrangement structure, high-efficient energy-conserving three-dimensional flow impeller, convert traditional monobasic or binary impeller into ternary, the impeller blade way adopts advanced accurate three-dimensional (three-dimensional flow) design, equipment weight loss, vibration is little, kinetic energy is efficient, water pump operating efficiency reaches 88%.
Specifically, the blades 3 comprise a plurality of impeller blades which are uniformly arranged on the rear wheel disc 5 at equal intervals, and the combined three-dimensional flow impeller with the concave-convex rotating surface is formed by the concave-convex shape of each impeller blade.
Specifically, be equipped with main shaft mounting structure in the main shaft mounting hole 2, mounting structure is the gap connection key that sets up in main shaft mounting hole 2, and impeller body 1 passes through the gap connection key and links to each other with the main shaft.
Specifically, impeller body 1 all adopts stainless steel centrifugal casting to form, and the quiet balance correction is made after impeller body 1 finish machining, and impeller body 1 adopts clearance fit key-type connection with the main shaft, and the equipment back moves the balance correction. Guarantee water pump steady operation, raise the efficiency.
It should be particularly noted that, when the impeller is used specifically, the proper parameters of the air inlet angle and the air outlet angle of the impeller and the curvature radius of the blades are matched, and after practice verification, the lift of the water pump is improved by 4% -7% compared with the common design parameters, and the flow of the water pump is improved by 5% -10% compared with the common design parameters. After the stainless steel impeller is precisely cast and machined, static balance check is required; when the rotor is formed with the main shaft, a precise dynamic balance test is carried out on a dynamic balance testing machine, the balance precision is 2.5 grade (JB/T7258-94 standard is specified to be 6.3 grade), and therefore, the equipment can be ensured to run more stably and reliably.
The utility model discloses a theory of operation is: impeller body 1 is formed by the stainless steel material casting, be provided with main shaft mounting hole 2 in the middle of impeller body 1, impeller body 1 includes preceding rim plate 4, blade 3 and back rim plate 5, blade 3 is radially setting up on back rim plate 5 around main shaft mounting hole 2, preceding rim plate 4 sets up the front side at blade 3, blade 3 is the ternary blade, and blade 3 is unsmooth form along the centre of a circle direction of main shaft mounting hole 2 to a plurality of blades 3 constitute the boss rotating surface of combination formula, energy-efficient ternary impeller convert traditional monobasic or binary impeller into ternary, the impeller blade way adopts advanced accurate three-dimensional (ternary flow) design, equipment weight reduction, and vibration is little, kinetic energy is efficient, and water pump operating efficiency reaches 88%. Compared with the common impeller, the three-dimensional flow impeller has the following advantages:
1. the anti-cavitation performance is higher, and the cavitation allowance is improved;
2. the liquid flow impact loss is reduced, and the service life of the pump set is prolonged;
3. the weight of a rotor of the water pump is reduced, the radial force of a pump unit is reduced, and the service life of a bearing is prolonged;
4. the flow area of the liquid flow inlet is enlarged, and the efficiency of the pump set is improved;
5. the rotor operation deflection value is reduced, and the abrasion and the power loss of an impeller opening ring are reduced;
6. the abrasion of the seal is reduced, and the service life is prolonged;
7. and a full three-dimensional design is adopted, the design is optimized, and the impeller efficiency is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an energy-conserving impeller of high-efficient ternary flow, includes impeller body (1), its characterized in that, be provided with main shaft mounting hole (2) in the middle of impeller body (1), impeller body (1) is including preceding rim plate (4), blade (3) and back rim plate (5), blade (3) are radial setting on back rim plate (5) around main shaft mounting hole (2), preceding rim plate (4) set up the front side at blade (3), blade (3) are the ternary blade, and blade (3) are unsmooth form along the centre of a circle direction of main shaft mounting hole (2).
2. The high-efficiency three-dimensional flow energy-saving impeller according to claim 1, wherein the blades (3) are connected with an impeller water inlet pipe, an auxiliary impeller is arranged in the impeller water inlet pipe, a water guide column is arranged in the middle of the auxiliary impeller, the blades of the auxiliary impeller are helical blades and are fixedly connected to the outer side wall of the water guide column, and the water guide column is arranged on the axis of the impeller water inlet pipe.
3. The efficient three-dimensional flow energy-saving impeller as claimed in claim 2, wherein the helical direction of the helical blades of the auxiliary impeller is the same as the helical direction of the impeller blades, and a staggered arrangement structure of two half impeller blades is adopted.
4. The efficient ternary flow energy-saving impeller as claimed in claim 1, wherein the blades (3) comprise a plurality of impeller blades, and the impeller blades are uniformly arranged on the rear wheel disc (5) at equal intervals.
5. The efficient three-dimensional flow energy-saving impeller as claimed in claim 1, wherein a main shaft mounting structure is arranged in the main shaft mounting hole (2).
6. The efficient three-dimensional flow energy-saving impeller according to claim 5, characterized in that the mounting structure is a gap connection key arranged in the main shaft mounting hole (2).
7. The efficient three-dimensional flow energy-saving impeller according to claim 1, wherein the impeller body (1) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198292.9U CN211343474U (en) | 2019-07-26 | 2019-07-26 | Efficient three-dimensional flow energy-saving impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198292.9U CN211343474U (en) | 2019-07-26 | 2019-07-26 | Efficient three-dimensional flow energy-saving impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211343474U true CN211343474U (en) | 2020-08-25 |
Family
ID=72104039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198292.9U Expired - Fee Related CN211343474U (en) | 2019-07-26 | 2019-07-26 | Efficient three-dimensional flow energy-saving impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211343474U (en) |
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2019
- 2019-07-26 CN CN201921198292.9U patent/CN211343474U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 Termination date: 20210726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |