CN107091246A - A kind of double-suction pump impeller tested for pressure fluctuation - Google Patents
A kind of double-suction pump impeller tested for pressure fluctuation Download PDFInfo
- Publication number
- CN107091246A CN107091246A CN201710426723.1A CN201710426723A CN107091246A CN 107091246 A CN107091246 A CN 107091246A CN 201710426723 A CN201710426723 A CN 201710426723A CN 107091246 A CN107091246 A CN 107091246A
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- CN
- China
- Prior art keywords
- double
- suction pump
- pump impeller
- pressure fluctuation
- tested
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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
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of double-suction pump impeller tested for pressure fluctuation, it is related to double entry pump field, including double-suction pump impeller, the double-suction pump impeller includes cover plate and blade, the double-suction pump impeller both sides number of blade is identical, and two adjacent blades of the double-suction pump impeller wherein side are the individual vanes for undertaking pressure fluctuation test；Several pressure pulsation sensors for being used to determine the pressure fluctuation size of the double-suction pump impeller diverse location are respectively mounted on the individual vanes surface, the working face of one of individual vanes installs several pressure pulsation sensors, and several pressure pulsation sensors are installed at the back side of another individual vanes；The invention provides a kind of double-suction pump impeller tested for pressure fluctuation, the pressure fluctuation of the impeller region of double entry pump can be tested, and it is simple in construction, it is easy to process, it is easy to install.
Description
Technical field
The present invention relates to double entry pump field, and in particular to a kind of double-suction pump impeller tested for pressure fluctuation.
Background technology
Double entry pump, because it has the features such as lift is high, flow is big, is obtained as a kind of important form of centrifugal pump in engineering
To extensive use.The impeller of this pump-type is actually combined by two back-to-back impellers, and the current flowed out from impeller converge
Enter in a spiral case.Double entry pump has the following feature：It works simultaneously equivalent to the single-suction (single-in let) impeller of two same diameters,
Same impeller outer diameter down-off, which can increase, to be twice；Opened in pump case level, inspection and maintenance is convenient, meanwhile, double entry pump is imported and exported
In the same direction and perpendicular to pump shaft, beneficial to the arrangement and installation of pump and water inlet pipe and water outlet pipe；The blade wheel structure of double entry pump is symmetrical, does not have
There is axial force, run more steady.
China proposes in Eleventh Five-Year Plan national science and technology supporting plan " high-power filling row's pump development and exploitation " key project
Develop Novel double-suction pump and new two class large powers high-lift double suction pump with ultra low pressure pulse characteristic；Develop large-scale vertical
Formula axial-flow pump device system and large diving axial-flow pump device system.Pump station device efficiency improves more than 8%, and energy unit consumption is average
Decline 0.78kWh/ktm.Therefore, it is necessary to which designing a kind of can carry out the double entry pump of testing research.
The content of the invention
In view of the shortcomings of the prior art, can the invention provides a kind of double-suction pump impeller tested for pressure fluctuation
Test the pressure fluctuation of the impeller region of double entry pump.
To realize object above, the present invention is achieved by the following technical programs：It is a kind of to be used for what pressure fluctuation was tested
Double-suction pump impeller, including double-suction pump impeller, the double-suction pump impeller include cover plate and blade, double-suction pump impeller both sides blade
Number is identical, and two adjacent blades of the double-suction pump impeller wherein side are the individual vanes for undertaking pressure fluctuation test；It is described
Several pressures for being used to determine the pressure fluctuation size of the double-suction pump impeller diverse location are respectively mounted on individual vanes surface
Power fluctuation sensor, the working face of one of individual vanes installs several pressure pulsation sensors, another independent leaf
The back side of piece is installed by several pressure pulsation sensors.
Preferably, the unilateral number of blade of the double-suction pump impeller for piece.
Preferably, the quantity of the pressure pulsation sensor in the every individual vanes is individual.
Preferably, the working face of the two panels individual vanes and the back side are respectively equipped with a sensor mounting hole and wire lead slot.
Preferably, the individual vanes are combined fixation by way of welding with cover plate.
The invention provides a kind of double-suction pump impeller tested for pressure fluctuation, the impeller region of double entry pump can be tested
Pressure fluctuation, it is and simple in construction, it is easy to process, it is easy to install.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is individual vanes face structure schematic diagram of the invention；
Fig. 3 is individual vanes structure schematic diagram of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Embodiment：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of double-suction pump impeller tested for pressure fluctuation, including double-suction pump impeller 1, institute
Stating double-suction pump impeller 1 includes cover plate 2 and blade 3, and the both sides blade 3 of double-suction pump impeller 1 counts identical, the double-suction pump impeller 1
Wherein two adjacent blades 3 of side are the individual vanes 301 for undertaking pressure fluctuation test；On the surface of individual vanes 301
Several pressure pulsation sensors 4 for being used to determine the pressure fluctuation size of the diverse location of double-suction pump impeller 1 are respectively mounted,
The working face of one of individual vanes 301 installs several pressure pulsation sensors 4, the back of the body of another individual vanes 301
Face is installed by several pressure pulsation sensors 4.
Preferably, the unilateral number of blade 3 of the double-suction pump impeller 1 is 6 pieces.
Preferably, the quantity of the pressure pulsation sensor 4 in the every individual vanes 301 is 4.
Preferably, the working face of the two panels individual vanes 301 and the back side are respectively equipped with 4 sensor mounting hole 5 and drawn
Wire casing 6.
Preferably, the individual vanes 301 are combined fixation by way of welding with cover plate 2.
The invention provides a kind of double-suction pump impeller tested for pressure fluctuation, the impeller region of double entry pump can be tested
Pressure fluctuation, it is and simple in construction, it is easy to process, it is easy to install.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (5)
1. a kind of double-suction pump impeller tested for pressure fluctuation, including double-suction pump impeller (1), it is characterised in that the double suction
Impeller of pump (1) includes cover plate (2) and blade (3), and double-suction pump impeller (1) the both sides blade (3) counts identical, the double entry pump leaf
Two adjacent blades (3) of wheel (1) wherein side are the individual vanes (301) for undertaking pressure fluctuation test；The individual vanes
(301) several pressures for being used to determine the pressure fluctuation size of the double-suction pump impeller (1) diverse location are respectively mounted on surface
Power fluctuation sensor (4), the working face of one of individual vanes (301) installs several pressure pulsation sensors (4), in addition
The back side of one individual vanes (301) is installed by several pressure pulsation sensors (4).
2. the double-suction pump impeller tested as claimed in claim 1 for pressure fluctuation, it is characterised in that the double-suction pump impeller
(1) unilateral blade (3) number is 6 pieces.
3. the double-suction pump impeller tested as claimed in claim 1 for pressure fluctuation, it is characterised in that the every independent leaf
The quantity of pressure pulsation sensor (4) on piece (301) is 4.
4. the double-suction pump impeller tested as claimed in claim 3 for pressure fluctuation, it is characterised in that the two panels independence leaf
The working face of piece (301) and the back side are respectively equipped with 4 sensor mounting hole (5) and wire lead slot (6).
5. the double-suction pump impeller tested as claimed in claim 1 for pressure fluctuation, it is characterised in that the individual vanes
(301) it is combined fixation with cover plate (2) by way of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426723.1A CN107091246A (en) | 2017-06-08 | 2017-06-08 | A kind of double-suction pump impeller tested for pressure fluctuation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710426723.1A CN107091246A (en) | 2017-06-08 | 2017-06-08 | A kind of double-suction pump impeller tested for pressure fluctuation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091246A true CN107091246A (en) | 2017-08-25 |
Family
ID=59639342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710426723.1A Pending CN107091246A (en) | 2017-06-08 | 2017-06-08 | A kind of double-suction pump impeller tested for pressure fluctuation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091246A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617195A1 (en) * | 1986-05-22 | 1987-11-26 | Meyer Fa Rud Otto | Device for monitoring the speed of rotation, especially of fluid flow engines |
| CN200940608Y (en) * | 2006-08-28 | 2007-08-29 | 上海阿波罗机械制造有限公司 | Intelligent protection monitor horizontal double sucking pump |
| CN104564716A (en) * | 2015-01-06 | 2015-04-29 | 浙江理工大学 | Improvement method of centrifugal pump steady flow impeller |
| CN105134618A (en) * | 2015-09-10 | 2015-12-09 | 中国农业大学 | Centrifugal pump regulating method based on pressure pulsation time-frequency characteristic analysis |
| CN106704255A (en) * | 2017-02-08 | 2017-05-24 | 中国农业大学 | Centrifugal pump and impeller convenient to measure centrifugal pump blade pressure pulses |
-
2017
- 2017-06-08 CN CN201710426723.1A patent/CN107091246A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617195A1 (en) * | 1986-05-22 | 1987-11-26 | Meyer Fa Rud Otto | Device for monitoring the speed of rotation, especially of fluid flow engines |
| CN200940608Y (en) * | 2006-08-28 | 2007-08-29 | 上海阿波罗机械制造有限公司 | Intelligent protection monitor horizontal double sucking pump |
| CN104564716A (en) * | 2015-01-06 | 2015-04-29 | 浙江理工大学 | Improvement method of centrifugal pump steady flow impeller |
| CN105134618A (en) * | 2015-09-10 | 2015-12-09 | 中国农业大学 | Centrifugal pump regulating method based on pressure pulsation time-frequency characteristic analysis |
| CN106704255A (en) * | 2017-02-08 | 2017-05-24 | 中国农业大学 | Centrifugal pump and impeller convenient to measure centrifugal pump blade pressure pulses |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |
|
| RJ01 | Rejection of invention patent application after publication |