CN108533533A - A kind of self-loopa cavitation high-speed centrifugal pump - Google Patents
A kind of self-loopa cavitation high-speed centrifugal pump Download PDFInfo
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- CN108533533A CN108533533A CN201810615766.9A CN201810615766A CN108533533A CN 108533533 A CN108533533 A CN 108533533A CN 201810615766 A CN201810615766 A CN 201810615766A CN 108533533 A CN108533533 A CN 108533533A
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- Prior art keywords
- self
- loopa
- pump
- cavitation
- pump cover
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- 239000007788 liquid Substances 0.000 claims abstract description 57
- 230000003137 locomotive effect Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 5
- 238000005086 pumping Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 4
- 238000010992 reflux Methods 0.000 abstract description 3
- 238000013459 approach Methods 0.000 abstract description 2
- 238000000703 high-speed centrifugation Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005119 centrifugation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
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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
- F04D29/66—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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- 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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- 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
- F04D29/007—Details, component parts, or accessories 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4293—Details of fluid inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of self-loopa cavitation high-speed centrifugal pumps, including driving unit, pump head unit and liquid storage unit；The pump head unit includes stator component and rotor part, and the stator component includes the pump housing, front pump cover, pump cover and holder；The rotor part includes impeller, front pump cover and holder are installed together the shell to form pump head unit, the pump housing and pump cover installation are inside the shell, pump housing center is equipped with the inlet hole being sucked into for liquid at impeller, pump housing side is equipped with the tap flowed out for liquid and self-loopa return port, self-loopa return port is communicated with front pump cover cavity, liquid is under high speed centrifugation pumping action in cup body, cavitation phenomenon is generated at the impeller blade entrance back side, after cavitation, it is returned in cup bodies by internal reflux and external two kinds of approach of drainage, complete self-loopa, by the cavitation process for carrying out iterative cycles to liquid, to pump performance under cavitation condition, vibration, liquid physics after noise and cavitation, chemical property makees research and creates condition.
Description
Technical field
The invention belongs to liquid machine and hydrodynamic engineering field more particularly to a kind of self-loopa cavitation high speed centrifugations
Pump.
Background technology
At a certain temperature, there are the air of dissolving in liquid, and when the pressure drops, these air can escape, pressure
When dropping to sufficiently low（More than saturated vapor pressure）, along with the vaporization of liquid, bubble generates therewith, is to steam mostly in bubble
Vapour, at the same also include by dissolving or core in the form of existing for gas（Refer mainly to air）, the gas dissolved in liquid is due to diffusion
And enter in bubble, encourage the growth of bubble；When liquid under the state enters high-pressure area, bubble pressed volume becomes smaller, with
It causes to vanish, whole process is referred to as Hydrodynamic cavitation.
There are mainly two types of traditional technology cavitation methods：1, acoustic cavitation device, principle are liquid 10,000 hertz~10,000,000
Alternating pressure field, the process of circulation of bubbles formed and vanished are generated under conspicuous sound wave effect；2, Venturi tube waterpower is empty
Makeup set with orifice plate cavitation apparatus, principle is the lower liquid flow of high pressure effect through area of passage Venturi tube jumpy or hole
Plate exists after pressure declines suddenly and rises rapidly, and then generates cavitation phenomenon at this time.
All there is more or less cavitation phenomenon under the working conditions such as traditional centrifugal pump, the hydraulic turbine, propeller, cavitation is existing
As can cause the working performances such as centrifugal pump, the hydraulic turbine, propeller decline, along with vibration, noise phenomena such as, can be damaged when serious
Corresponding equipment for liquid transportation, but at present to liquid physics after cavitation, chemically Quality Research is more difficult, therefore centrifugal pump is by cavitation
The specific rule of phenomena impair is also not understanding by the people.
Invention content
The object of the present invention is to provide a kind of self-loopa cavitation high-speed centrifugal pump can iterative cycles to liquid carry out cavitation
Processing makees research and creates condition for liquid physics, chemical property after pump performance, vibration, noise and cavitation under cavitation condition.
A kind of self-loopa cavitation high-speed centrifugal pump of the present invention, including driving unit, pump head unit and liquid storage unit；It is described
Pump head unit includes stator component and rotor part, and the stator component includes the pump housing, front pump cover, pump cover and holder；Described turn
Subassembly includes impeller, and front pump cover and holder are installed together the shell to form pump head unit, and the pump housing and pump cover are mounted on shell
Interior, the integrated disc portions of impeller are set in the chamber formed between the pump housing and pump cover, and the wheel shaft of impeller passes through pump cover and holder simultaneously
It is connected with the driving unit, is driven and rotated by driving unit, the liquid storage unit includes cup body and piping connection component, cup body
Top is equipped with cup lid, and cup body is mounted on above front pump cover, and cup body bottom surface is provided with leakage opening and is communicated with front pump cover cavity, leakage opening
Radome fairing is inside installed, cup body side is equipped with return port, and pump housing center is equipped with the inlet hole being sucked into for liquid at impeller, the pump housing
Side is equipped with the tap flowed out for liquid and self-loopa return port, self-loopa return port are communicated with front pump cover cavity, tap
It is connected to the return port of cup body side by piping connection component；Liquid in liquid storage unit is in the centrifugation pumping action to run at high speed
Under, at the impeller blade entrance back side, negative pressuren zone generates bubble, and as blade is to liquid work done, bubble is broken in impeller outer circle higher-pressure region
It goes out and generates cavitation phenomenon, liquid is back to the liquid storage unit, iterative cycles by piping connection component after cavitation；To sky
Liquid physics, chemical property are studied after pump performance, vibration, noise and cavitation under change state.
Further, the inner end of the self-loopa return port is straight hole section, and outer end is loudspeaker hole section, and the cone angle of loudspeaker hole section is
1 °~30 °, liquid flow through speaker hole section generate pressure change, when facilitating operation liquid velocity can to the conversion between pressure energy,
The liquid of self-loopa return port outflow can flow to impeller again by the inlet hole of the pump housing, carry out cavitation repeatedly.
Further, the quantity of the self-loopa return port is 1 ~ 4, and self-loopa return port uniformly divides along pump housing circumferencial direction
Cloth, self-loopa return port arrange that liquid flowing resistance is small, and mobility is more preferable along pump housing lumen circumference tangential direction.
Further, the integrated disc portions of the impeller are along the circumferential direction evenly equipped with even number prismatic blade, and prismatic blade entrance side is thick,
It is thin to export side；Gap is 0.1~2mm between prismatic blade leading edge end face and the pump housing；The ratio between blade inlet thickness and exit thickness are：
5~1；Integrated disc portions are polymorphic structure, and integrated disc portions are provided with aperture, vacancy, for the axial direction generated in ballast pump operational process
Power.
Further, mechanical seal and transmission component are equipped between the wheel shaft and holder of the impeller, the pump cover is plate-like,
Pump cover be equipped with for for liquid by circular hole, liquid enters mechanical seal cavity to the machine by circular hole in operation process
Tool sealing is cooling, lubricates；In addition, being provided with the groove to seal on pump cover；Transmission component includes self-lubricating high speed spindle shaft
It holds, the support of bearing, gland and locking nut；Self-lubricating high speed main shaft bearing is mounted in the support of bearing, and the wheel shaft of impeller passes through
Inner ring and the stretching of the axle sleeve and self-lubricating high speed main shaft bearing of mechanical seal, locking nut is by screw threads for fastening under wheel shaft
End is compressed the inner ring lower face of self-lubricating high speed main shaft bearing by locking nut, the outer ring of self-lubricating high speed main shaft bearing
Upper surface is held out against on the support of bearing, and self-lubricating high speed main shaft bearing inner ring upper surface is held out against on the axle sleeve of mechanical seal, axis
It is T shape nested structures to hold holder, and holder is equipped with the hole for installing the support of bearing, makes the step surface and hole card of support of bearing outer circle
Close positioning；Mechanical seal includes rotating ring, stationary ring, matrix and axle sleeve, rotating ring and stationary ring under the action of the spring end face be bonded to be formed it is close
Envelope, spring are fixed on matrix, and axle sleeve is rotated together with rotating ring.
Further, the front pump cover is that staged is cyclic annular, top be equipped with for the cup body connection screw thread, side is provided with
Staged aperture and threaded hole, for connecting the piping connection component.
Further, the piping connection component includes sealing gland, straight tube, four-way, valve, pressure gauge, elbow and loose joint
Head；Straight tube, elbow, valve and pressure gauge are connected by four-way, straight tube is connected across front pump cover with the tap of the pump housing,
Sealing gland is sleeved on straight tube and is fixed at the staged aperture and threaded hole of front pump cover, and elbow is connected to cup by articulation
The return port of body.
Further, the driving unit includes electric controller, high-speed electric expreess locomotive, frequency conversion equipment and shaft coupling；The high-speed electric expreess locomotive
It below impeller and is installed in holder, the wheel shaft of impeller is connected by the shaft coupling with the main shaft of high-speed electric expreess locomotive, is led to
Cross the start and stop and speed governing of electric controller and frequency conversion equipment control high-speed electric expreess locomotive.
The beneficial effects of the invention are as follows：A kind of self-loopa cavitation high-speed centrifugal pump of the present invention, liquid is in high speed in cup body
It centrifuges under pumping action, after impeller blade entrance back side generation cavitation phenomenon, cavitation, passes through internal reflux and external two kinds of drainage
Approach returns in cup body, completes self-loopa, is pump property under cavitation condition by carrying out the cavitation process of iterative cycles to liquid
It can, vibrate, liquid physics, chemical property work research create condition after noise and cavitation.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In the accompanying drawings, similar element or portion
Divide and is generally identified by similar reference numeral.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the appearance schematic diagram of the present invention；
Fig. 2 is the complete machine assembly structure diagram of the present invention；
Fig. 3 is the structural schematic diagram of the pump housing；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structural schematic diagram of impeller；
Fig. 6 is the left view of Fig. 5；
Fig. 7 is the structural schematic diagram of pump cover；
Fig. 8 is the structural schematic diagram of front pump cover；
Fig. 9 is the structural schematic diagram of mechanical seal；
Figure 10 is the structural schematic diagram of cup body；
Figure 11 is the structural schematic diagram of piping connection component；
Figure 12 is transmission component structural schematic diagram.
Specific implementation mode
The embodiment of technical solution of the present invention is described in detail below in conjunction with attached drawing.Following embodiment is only used for
Clearly illustrate technical scheme of the present invention, therefore be only used as example, and the protection model of the present invention cannot be limited with this
It encloses.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.
As Figure 1-10 shows：A kind of self-loopa cavitation high-speed centrifugal pump of the present embodiment, including driving unit, pump head unit
And liquid storage unit；The pump head unit includes stator component and rotor part, the stator component include the pump housing 13, front pump cover 8,
Pump cover 14 and holder 5；The rotor part includes impeller 15, and front pump cover 8 and holder 5 are installed together to form the outer of pump head unit
Inside the shell, the integrated disc portions 15b of impeller 15, which is set between the pump housing 13 and pump cover 14, to be formed for shell, the pump housing 13 and the installation of pump cover 14
Chamber in, the wheel shaft 15c of impeller 15 passes through pump cover 14 and holder 5 and is connected with the driving unit, is driven by driving unit
Rotation is equipped with mechanical seal 7 and transmission component 6 between the wheel shaft 15c and holder 5 of the impeller 15, the pump cover 14 is plate-like,
Pump cover 14 be equipped with for for liquid by circular hole, liquid enters 7 cavity of mechanical seal to institute by circular hole in operation process
State the cooling of mechanical seal 7, lubrication；In addition, being provided with the groove to seal on pump cover 14；Transmission component 6 includes that self-lubricating is high
Fast main shaft bearing 6b, support of bearing 6a, gland 6d and locking nut 6c；Self-lubricating high speed main shaft bearing 6b is mounted on the support of bearing
In 6a, the wheel shaft 15c of impeller 15 passes through inner ring and the stretching of the axle sleeve 7e and self-lubricating high speed main shaft bearing 6b of mechanical seal 7,
Locking nut 6c by screw threads for fastening in the lower ends wheel shaft 15c, will be in self-lubricating high speed main shaft bearing 6b by locking nut 6c
It encloses lower face to compress, the outer ring upper surface of self-lubricating high speed main shaft bearing 6b is held out against on support of bearing 6a, self-lubricating high speed master
Axle bearing 6b inner rings upper surface is held out against on the axle sleeve 7e of mechanical seal 7, and support of bearing 6a is T shape nested structures, and holder 5 is equipped with
Hole for installing support of bearing 6a makes the step surface of support of bearing 6a outer circles engage positioning with hole；Mechanical seal 7 includes rotating ring
7a, stationary ring 7b, matrix 7c and axle sleeve 7e, rotating ring 7a and stationary ring 7b are bonded to form sealing in spring 7d effects lower face, spring 7d
It being fixed on matrix 7c, axle sleeve 7e is rotated together with rotating ring 7a, and the liquid storage unit includes cup body 10 and piping connection component 12,
The top of cup body 10 is equipped with cup lid 11, and cup body 10 is mounted on above front pump cover 8,10 bottom surface of cup body be provided with leakage opening and with front pump cover 8
Inner cavity communicates, and radome fairing 9 is equipped in leakage opening, and 10 side of cup body is equipped with return port, and 13 center of the pump housing is equipped with and sucks for liquid
Inlet hole 13a to impeller 15,13 side of the pump housing are equipped with the tap 13c flowed out for liquid and self-loopa return port 13b, from
It is recycled back to discharge orifice 13b to communicate with 8 inner cavity of front pump cover, the reflux that tap 13c passes through piping connection component 12 and 10 side of cup body
Hole is connected to；Liquid in liquid storage unit is under the centrifugation pumping action to run at high speed, in 15 blade 15a entrances back side negative pressuren zone of impeller
Bubble is generated, as blade 15a is to liquid work done, bubble is vanished in 15 outer circle higher-pressure region of impeller generates cavitation phenomenon, after cavitation
Liquid is back to the liquid storage unit, iterative cycles by piping connection component 12；To pumping performance under cavitation condition, shaking
Liquid physics, chemical property are studied after dynamic, noise and cavitation.
In the present embodiment, the inner end of the self-loopa return port 13b is straight hole section, and outer end is loudspeaker hole section, loudspeaker hole section
Cone angle be 1 °~30 °, liquid flow through speaker hole section generate pressure change, liquid velocity can be between pressure energy when facilitating operation
Conversion, the liquid of self-loopa return port 13b outflow can flow to impeller 15 again by the inlet hole 13a of the pump housing 13, repeatedly
Cavitation is carried out, the quantity of the self-loopa return port 13b is 1 ~ 4, and self-loopa return port 13b is uniform along 13 circumferencial direction of the pump housing
Distribution, self-loopa return port 13b arrange that liquid flowing resistance is small, and mobility is more preferable along 13 lumen circumference tangential direction of the pump housing.
In the present embodiment, the integrated disc portions 15b of the impeller 15 is along the circumferential direction evenly equipped with even number prismatic blade 15a, directly
Blade 15a entrances side is thick, and outlet side is thin；Gap is 0.1~2mm between prismatic blade 15a leading edges end face and the pump housing 13；Blade 15a
The ratio between inlet thickness and exit thickness are：5~1；Integrated disc portions 15b is polymorphic structure, and integrated disc portions 15b is provided with aperture, vacancy,
For the axial force generated in ballast pump operational process, the front pump cover 8 is that staged is cyclic annular, top be equipped with for the cup
10 connection screw thread of body, side are provided with staged aperture and threaded hole, and for connecting the piping connection component 12, the pipeline connects
Connected components 12 include sealing gland 12a, straight tube 12b, four-way 12d, valve 12c, pressure gauge 12e, elbow 12f and articulation 12g；
Straight tube 12b, elbow 12f, valve 12c and pressure gauge 12e are connected by four-way 12d, straight tube 12b pass through front pump cover 8 with
The tap 13c of the pump housing 13 is connected, and sealing gland 12a is sleeved on straight tube 12b and is fixed on the staged aperture and spiral shell of front pump cover 8
At pit, elbow 12f is connected to the return port of cup body 10 by articulation 12g.
In the present embodiment, the driving unit includes electric controller 1, high-speed electric expreess locomotive 2, frequency conversion equipment 3 and shaft coupling 4；It is described
High-speed electric expreess locomotive 2 is set to 15 lower section of impeller and is installed in holder 5, and the wheel shaft 15c of impeller 15 passes through the shaft coupling 4 and high speed
The main shaft of motor 2 is connected, and the start and stop and speed governing of high-speed electric expreess locomotive 2 are controlled by electric controller 1 and frequency conversion equipment 3.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (8)
1. a kind of self-loopa cavitation high-speed centrifugal pump, it is characterised in that：Including driving unit, pump head unit and liquid storage unit；Institute
It includes stator component and rotor part to state pump head unit, and the stator component includes the pump housing, front pump cover, pump cover and holder；It is described
Rotor part includes impeller, and front pump cover and holder are installed together the shell to form pump head unit, and the pump housing and pump cover are mounted on outer
In shell, the integrated disc portions of impeller are set in the chamber formed between the pump housing and pump cover, and the wheel shaft of impeller passes through pump cover and holder
And be connected with the driving unit, it is driven and is rotated by driving unit, the liquid storage unit includes cup body and piping connection component, cup
Body is mounted on above front pump cover, and cup body bottom surface is provided with leakage opening and is communicated with front pump cover cavity, and cup body side is equipped with return port, pump
Body center is equipped with the inlet hole being sucked into for liquid at impeller, and pump housing side is equipped with the tap flowed out for liquid and self-loopa is returned
Discharge orifice, self-loopa return port are communicated with front pump cover cavity, and tap is connected by piping connection component and the return port of cup body side
It is logical.
2. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The self-loopa return port
Inner end be straight hole section, outer end is loudspeaker hole section, and the cone angle of loudspeaker hole section is 1 °~30 °.
3. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 2, it is characterised in that：The self-loopa return port
Quantity be 1 ~ 4.
4. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The round plate of the impeller
Divide and be along the circumferential direction evenly equipped with even number prismatic blade, prismatic blade entrance side is thick, and outlet side is thin；Prismatic blade leading edge end face and the pump housing it
Between gap be 0.1~2mm.
5. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The wheel shaft of the impeller with
Between holder be equipped with mechanical seal and transmission component, the pump cover be plate-like, pump cover be equipped with for for liquid by circular hole；
Transmission component includes self-lubricating high speed main shaft bearing, the support of bearing, gland and locking nut；Self-lubricating high speed main shaft bearing is installed
In the support of bearing, the wheel shaft of impeller passes through inner ring and the stretching of the axle sleeve and self-lubricating high speed main shaft bearing of mechanical seal, lock
Tight nut by screw threads for fastening in wheel shaft lower end, by locking nut by the inner ring lower end face pressure of self-lubricating high speed main shaft bearing
Tightly, the outer ring upper surface of self-lubricating high speed main shaft bearing is held out against on the support of bearing, self-lubricating high speed main shaft bearing inner ring upper end
Face is held out against on the axle sleeve of mechanical seal, and the support of bearing is T shape nested structures, and holder is equipped with the hole for installing the support of bearing,
The step surface of support of bearing outer circle and hole is set to engage positioning.
6. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The front pump cover is ladder
Formula is cyclic annular, top be equipped with for the cup body connection screw thread, side is provided with staged aperture and threaded hole, described for connecting
Piping connection component.
7. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The piping connection component
Including sealing gland, straight tube, four-way, valve, pressure gauge, elbow and articulation.
8. a kind of self-loopa cavitation high-speed centrifugal pump according to claim 1, it is characterised in that：The driving unit includes
Electric controller, high-speed electric expreess locomotive, frequency conversion equipment and shaft coupling；The high-speed electric expreess locomotive is set to below impeller and is installed in holder, leaf
The wheel shaft of wheel is connected by the shaft coupling with the main shaft of high-speed electric expreess locomotive, and high-speed electric expreess locomotive is controlled by electric controller and frequency conversion equipment
Start and stop and speed governing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615766.9A CN108533533A (en) | 2018-06-14 | 2018-06-14 | A kind of self-loopa cavitation high-speed centrifugal pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615766.9A CN108533533A (en) | 2018-06-14 | 2018-06-14 | A kind of self-loopa cavitation high-speed centrifugal pump |
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| CN108533533A true CN108533533A (en) | 2018-09-14 |
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| CN201810615766.9A Pending CN108533533A (en) | 2018-06-14 | 2018-06-14 | A kind of self-loopa cavitation high-speed centrifugal pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113693007A (en) * | 2021-08-13 | 2021-11-26 | 北京理工大学 | Fish tank with oxygen supply self-circulation system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388589A (en) * | 2013-02-04 | 2013-11-13 | 博山精工泵业有限公司 | Vertical water ring vacuum pump |
| CN206035843U (en) * | 2016-08-31 | 2017-03-22 | 亿志机械设备(无锡)有限公司 | Energy -efficient vertical pipeline centrifugal pump that singly inhales |
| CN206129708U (en) * | 2016-09-20 | 2017-04-26 | 大晃机械（青岛）有限公司 | Marine vertical centrifugal pump that singly inhales |
| CN107100851A (en) * | 2017-04-19 | 2017-08-29 | 陕西科技大学 | A kind of single-suction urine pump |
| CN107740771A (en) * | 2017-11-29 | 2018-02-27 | 季锟 | A kind of one step single sucking formula is without block self-pumping pump |
| CN208565083U (en) * | 2018-06-14 | 2019-03-01 | 吴志宏 | A kind of self-loopa cavitation high-speed centrifugal pump |
-
2018
- 2018-06-14 CN CN201810615766.9A patent/CN108533533A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388589A (en) * | 2013-02-04 | 2013-11-13 | 博山精工泵业有限公司 | Vertical water ring vacuum pump |
| CN206035843U (en) * | 2016-08-31 | 2017-03-22 | 亿志机械设备(无锡)有限公司 | Energy -efficient vertical pipeline centrifugal pump that singly inhales |
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