CN113279999A - Vortex pump impeller - Google Patents
Vortex pump impeller Download PDFInfo
- Publication number
- CN113279999A CN113279999A CN202110476747.4A CN202110476747A CN113279999A CN 113279999 A CN113279999 A CN 113279999A CN 202110476747 A CN202110476747 A CN 202110476747A CN 113279999 A CN113279999 A CN 113279999A
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- Prior art keywords
- impeller
- pump
- vortex
- sealing surface
- swirl
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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
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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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid pumps
-
- 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
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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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 provides a vortex pump impeller, which belongs to the technical field of impellers for mechanical environment-friendly pumps, and comprises an impeller for a combustion engine using clean fuels such as alcohol-based fuel, natural gas, biomass energy, aromatic hydrocarbon oil and the like.
Description
Technical Field
The utility model provides an impeller of volute pump, belongs to machinery environmental protection impeller for volute pump, including the combustor pump technical field who is suitable for clean fuel such as alcohol group fuel, natural gas, biomass energy, arene group oil.
Background
The special pump for the combustor needs high lift, low flow, corrosion resistance and the like, meets the requirements of stable pressure and uniform flow, can continuously convey organic combustion substances in a circulating manner, and provides high-quality pollution-free heating requirements.
The existing industrial pump has the characteristics that the centrifugal pump impeller has large flow and small lift and is not suitable for conveying low-viscosity and low-lubrication liquid due to the sealing characteristic, the existing vortex pump impeller is not suitable for the problems of easy volatilization, low density and low lubrication, easy vaporization, high pressure noise and the like of organic clean fuel oil due to large flow, and the vane pump cannot normally operate, and the vane pump vane is not suitable for the phenomenon that the low-lubrication liquid is easy to wear and the temperature is high during the operation of the pump, so that the organic combustion substance is conveyed and vaporized, and is not suitable.
Because the coal burning boiler is adopted to cause air haze, organic burning substances are required to replace the traditional coal burning for heating, the fuel comprises a combustor using clean fuel such as alcohol-based fuel, natural gas, biomass energy, aromatic hydrocarbon group oil and the like, a special pump suitable for the combustor is urgently needed, the problems of clean fuel and liquid transportation of the existing combustor pump are solved, because the biomass fuel has the characteristics of low viscosity, volatility, flammability, easy vaporization, low density, low lubrication and the like, the service life of the pump is greatly reduced due to the fact that a stainless steel pump body and a stainless steel impeller are easy to generate friction collision, and the pump impeller is dangerous to flammable and explosive media due to possible sparks, a pump material and a structure which are safe and normally used are urgently needed, the technology provides a hydraulic design impeller structure organically combining a practical high polymer material and corrosion-resistant metal such as stainless steel and the like, and meets the requirement of organic burning substance transportation, the pump requirements of high efficiency, long-time operation, no blockage, no pollution and full combustion heating of clean energy are ensured.
Disclosure of Invention
According to the defects of the prior special pump impeller for the combustor for clean fuel oil, the prior design and use, the impeller for the vortex pump solves the problem of meeting the requirement of conveying organic combustion substances, designs a practical and stable structure, is suitable for various combustors and combustion professional pumps adopted by matched boilers, comprises a plurality of pump fluid mechanics designs and hydraulic designs suitable for characteristic media with low viscosity, easy volatilization, easy vaporization, low density, low lubrication and the like, comprises a liquid conveying function, an impeller flow passage, a transmission structure, high tightness and the like, has a unique and practical arrangement combination and design principle compared with the common impeller for the vortex pump, has the advantages that a metal hub also has the function of enhancing the strength of the impeller, the high-polymer material impeller blade part improves the corrosion resistance and the wear resistance, further reduces the pump clearance, improves the effective matching between the vortex chamber flow passage of the vortex pump and the impeller, and reduces the axial loss and the radial loss, it is suitable for low flow and pump lift.
The vortex pump impeller is characterized by comprising a metal vortex impeller hub (1), an internal positioning pouring fixing hole (2), a positioning pouring fixing groove (3), an axial pressure adjusting hole (4), a groove hole (5) and a key groove (8), wherein the periphery of the vortex impeller is die-cast with a high-molecular wear-resistant material and comprises a blade (6) and a sealing surface (7).
The peripheral of the vortex impeller is provided with blades (6) and is characterized in that the number of teeth M is according to the formula
The blades are distributed at intervals along the circumferential direction, the intervals of the blades are arranged in equal intervals, and the length of the blades is according to a formula
Therein is disclosed
；
；
；
(ii) a Volumetric efficiency
(ii) a The calibration value is the outer diameter of the impeller
Speed of rotation
(ii) a Head
(ii) a Area of flow channel
。
The excircle of the vortex impeller is provided with blades (6) which are characterized in that
The vortex impeller sealing surface (7) is characterized in that the length of the impeller sealing surface
The impeller sealing surface (7) is in clearance fit with the pump body flow channel sealing ring.
The vortex impeller is characterized in that blades (6) and a sealing surface (7) are arranged on the periphery of a hub (1) in a die-casting mode, and high polymer materials of the vortex impeller are axially and radially fixed through a positioning casting fixing hole (2) and a positioning casting fixing groove (3).
The vortex impeller is characterized in that the inner circle is provided with a key groove (8) and a groove hole (5).
The middle part of the impeller hub (1) is provided with 2N axial pressure adjusting holes (4) which are equally divided and used for adjusting the front and back pressure balance of the impeller when the pump runs.
The axial impeller hub (1) is characterized in that a key groove (8) and a groove hole (5) are formed in the inner circle, a sealing surface (7) of an impeller sealing surface (7) is in clearance fit with a pump body flow channel sealing ring, and the middle of the impeller is provided with 2N equal-division axial pressure adjusting holes (4) for adjusting the front and back pressure balance of the impeller when the pump operates.
FIG. 1: impeller partial perspective view
FIG. 2 is a drawing: impeller stereogram
FIG. 3: impeller parameter diagram
FIG. 4 is a drawing: impeller hub view
The figures of the drawings illustrate:
the impeller comprises a vortex impeller hub (1), a positioning pouring fixing hole (2), a positioning pouring fixing groove (3), an axial pressure adjusting hole (4), a groove hole (5), blades (6), a sealing surface (7), a key groove (8), an outer diameter (D2), the number of teeth (M), the height (b) of the blades and the length (e) of a sealing surface of the impeller.
The specific implementation mode is as follows:
the impeller structure of the vortex pump is described in detail by combining a special pump for a combustion engine, the design scheme is mainly matched with the parameters of a 0.37KW-4.0KW pump, and is specifically explained with the impeller structure of the 1.5KW vortex pump, the maximum lift is 140 meters, the maximum flow is 35L/M, and the impeller structure accords with the characteristic of conveying organic combustion clean fuel oil. The installation and the disassembly are convenient.
The impeller hub (1) is provided with a key groove (8) and a groove hole (5) on the inner circle.
The peripheral of said vortex impeller is equipped with blades 6, and its characteristic is that the number of teeth M is according to the formula
Deriving the number of teeth
The blades are distributed at intervals along the circumferential direction, and the intervals are arranged in equal intervals, wherein the length of each blade is according to a formula
Deriving the blade length
(ii) a The calibration values are as follows: outer diameter of impeller
(ii) a Rotational speed
。
The excircle of the vortex impeller is provided with blades (6) which are characterized in that
。
The vortex impeller sealing surface (7) is characterized in that the length of the impeller sealing surface
Impeller sealing surface (7) and pump body flow channel sealing ringAre in clearance fit with each other.
The impeller is provided with blades 6 on the outer circumference, and is characterized in that the outer circumference of the impeller is provided with a plurality of blades, the blades are distributed at intervals along the circumferential direction, and the blades are arranged at equal intervals, as shown in the figure, the hydraulic design mainly has the function of adjusting sinusoidal vortex formed when the vortex impeller and a pump body flow passage are matched and rotated so as to be suitable for cleaning fuel oil characteristics, is suitable for organic combustion substances with low viscosity, volatility, easy vaporization and low density, can prevent blockage and poor collection caused by mutual collision of continuous conveying media, and further obtain stable lift and flow, ensures that organic matter cleaning fuel oil is reduced by the aid of the process blades driving each blade to be vertical to the impeller plane, improves the hydraulic efficiency of a pump, and simultaneously does not change the pressure and flow of the organic combustion substances changed by temperature through the setting of the rotating speed and the blade angle, stable pressure and uniform flow are obtained, and the organic combustion substances are promoted to be fully conveyed to form combustion spray so as to obtain continuous and stable heat energy.
The impeller sealing surface 7 is in clearance fit with the pump body flow channel sealing ring, the original vortex impeller structure is improved, a conveying medium is directly used for playing a lubricating role, and the abrasion and cavitation of the impeller are reduced. The problem that the service life of the pump is greatly reduced due to the fact that the stainless steel pump body and the stainless steel impeller are prone to friction collision is solved, and the danger of sparks possibly generated to inflammable and explosive media is avoided. Meanwhile, partial noise and vibration are dispersed, and the combustor pump can continuously run for a long time and continuously supply heat.
The middle part of the impeller is provided with 2N axial pressure adjusting holes 4 which are equally divided, and the axial pressure adjusting holes 4 are used for adjusting the front and back pressure balance of the impeller when the pump runs.
Combustor pump vortex impeller, simple structure, the practicality is strong and the long-time transport demand of abundant adaptation, be fit for biomass fuel low viscosity, it is volatile, easy vaporization, low density and characteristics such as low lubrication, pump efficiency improves greatly, use diameter 83mm vortex pump impeller contrast the ordinary vortex pump impeller of the same size, its lift improves 30 meters, the noise is reduced to 79 decibels by 87 decibels, pump efficiency improves 5%, the superiority is obvious, the medium safe and reliable is carried in the use, pressure balance, the abundant burning, energy-concerving and environment-protective high efficiency, its structural fluid mechanics design scientific and reasonable, furthest adapts to national coal fired boiler and reforms transform engineering demand, the material can select for use the application of new materials such as stainless steel, all copper, PEEK, PTFE, for industry upgrading, serve the country and count the citizens, serve the energy-efficient environmental protection career.
While the invention has been described with reference to a preferred embodiment and a series of products including a vortex pump, it will be appreciated by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (7)
1. The vortex pump impeller is characterized by comprising a metal vortex impeller hub (1), an internal positioning pouring fixing hole (2), a positioning pouring fixing groove (3), an axial pressure adjusting hole (4), a groove hole (5) and a key groove (8), wherein the periphery of the vortex impeller is die-cast with a high-molecular wear-resistant material and comprises a blade (6) and a sealing surface (7).
2. Peripheral vanes (6) of vortex impeller according to claim 1 characterised by the number of teeth M according to the formula
The blades are distributed at intervals along the circumferential direction, and the intervals of the blades are arranged in equal intervals; blade length according to formula
(ii) a Wherein
； 
； 
；
(ii) a Volumetric efficiency
(ii) a The calibration values are as follows: outer diameter of impeller
(ii) a Rotational speed
(ii) a Head
(ii) a Area of flow channel
。
3. Swirl impeller according to claim 1, characterised in that the vanes (6) are arranged on the outer circumference of the impeller
。
4. Swirl impeller sealing surface (7) according to claim 1, characterised in that the length of the impeller sealing surface
The impeller sealing surface (7) is in clearance fit with the pump body flow channel sealing ring.
5. The swirl impeller as claimed in claim 1, wherein the periphery of the hub (1) is embedded with the die-cast blade (6) and the sealing surface (7), and the polymer material of the swirl impeller is axially and radially fixed through the positioning casting fixing hole (2) and the positioning casting fixing groove (3).
6. Swirl impeller according to claim 1, characterized in that the inner circle is provided with a keyway (8) and a groove bore (5).
7. The impeller hub (1) of claim 1 is provided with 2N axial pressure adjusting holes (4) in the middle for adjusting the front and rear pressure balance of the impeller when the pump operates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476747.4A CN113279999A (en) | 2021-04-29 | 2021-04-29 | Vortex pump impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110476747.4A CN113279999A (en) | 2021-04-29 | 2021-04-29 | Vortex pump impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113279999A true CN113279999A (en) | 2021-08-20 |
Family
ID=77277758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110476747.4A Pending CN113279999A (en) | 2021-04-29 | 2021-04-29 | Vortex pump impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113279999A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576543A (en) * | 2020-11-16 | 2021-03-30 | 中国航发西安动力控制科技有限公司 | Double-sided fuel pump impeller with mixed flow section structure |
| CN114294259A (en) * | 2021-12-30 | 2022-04-08 | 福建省福安市力德泵业有限公司 | High-efficient low noise pump |
-
2021
- 2021-04-29 CN CN202110476747.4A patent/CN113279999A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576543A (en) * | 2020-11-16 | 2021-03-30 | 中国航发西安动力控制科技有限公司 | Double-sided fuel pump impeller with mixed flow section structure |
| CN114294259A (en) * | 2021-12-30 | 2022-04-08 | 福建省福安市力德泵业有限公司 | High-efficient low noise pump |
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