CN106640675A - High-efficiency high-pressure multi-stage barrel centrifugal pump - Google Patents
High-efficiency high-pressure multi-stage barrel centrifugal pump Download PDFInfo
- Publication number
- CN106640675A CN106640675A CN201610905009.6A CN201610905009A CN106640675A CN 106640675 A CN106640675 A CN 106640675A CN 201610905009 A CN201610905009 A CN 201610905009A CN 106640675 A CN106640675 A CN 106640675A
- Authority
- CN
- China
- Prior art keywords
- protective cover
- pump barrel
- chopped
- centrifugal pump
- motor
- Prior art date
- 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.)
- Pending
Links
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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor 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
- F04D29/007—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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
-
- 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
- F04D29/24—Vanes
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 high-efficiency high-pressure multi-stage barrel centrifugal pump. The high-efficiency high-pressure multi-stage barrel centrifugal pump comprises a protective cover of a cylindrical structure, wherein a cooling liquid inlet pipe and a cooling liquid outlet pipe are arranged at the side edge of the protective cover; the cooling liquid inlet pipe is positioned above the cooling liquid outlet pipe; a first through hole is formed in the upper part of the protective cover; a transmission shaft is mounted in the first through hole; one end of the transmission shaft is connected with a motor; the motor is fixed at the top of the protective cover; a second pump cylinder is mounted at the end, far away from the motor, of the protective cover; a water outlet pipe and a water inlet pipe are mounted at the side edge of the second pump cylinder; a first pressure gauge is mounted on the pipe section of the water outlet pipe; a second pressure gauge is mounted on the pipe section of the water inlet pipe; a first pump cylinder is mounted at the end, far away from the protective cover, of the second pump cylinder; an annular first bearing pedestal is arranged on the inner wall of the protective cover; and a first bearing is mounted on the first bearing pedestal and is in matched connection with the transmission shaft. The output pressure of the centrifugal pump body is improved, the liquid pumping capability of the centrifugal pump body is greatly improved, and the pumping efficiency is very high.
Description
Technical field
The present invention relates to the technical field of centrifugal pump, more particularly to a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump.
Background technology
The centrifugal force that centrifugal pump is produced when referring to and being rotated by impeller conveying the pump of liquid, in the industrial production with very
It is widely applied.
Traditional centrifugal pump typically only grade blade, power is very weak, and especially often seem power in long-distance sand transport
Not from the heart, the size of centrifugal pump body will be greatly increased when directly by increasing blade dimensions, so using just very numb
It is tired, it is unfavorable for promoting aborning, accordingly, it would be desirable to design a kind of the defeated of increase centrifugal pump in the case where minimum volume is increased
Send ability.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of high efficiency high-pressure multi-stage for proposing
Tubular-bag tyep centrifugal pump.
To achieve these goals, present invention employs following technical scheme:
A kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump, including protective cover, the protective cover for columnar structured, protective cover
Side is provided with coolant inlet pipe and coolant outlet pipe, and coolant inlet pipe is located at the top of coolant outlet pipe, the top of protective cover
First through hole is provided with, power transmission shaft is installed in the first through hole, one end of the power transmission shaft is connected with motor, and motor is fixed
In the top of protective cover, protective cover is provided with the second pump barrel away from one end of motor, and the side of second pump barrel is provided with out
Water pipe and water inlet pipe, are provided with first pressure table on the pipeline section of the outlet pipe, on the pipeline section of the water inlet pipe second is provided with
Pressure gauge, the second pump barrel is provided with the first pump barrel away from one end of protective cover, and the inwall of protective cover is provided with the first axle of annular
Bearing, is provided with clutch shaft bearing in the first bearing seat, the clutch shaft bearing is connected with power transmission shaft, and protective cover is away from electricity
The end face of machine is provided with high pressure pump barrel, and protective cover is provided with the second through hole, is provided with second through hole away from the end face of motor
Sealing ring, is socketed with power transmission shaft in the through hole of the sealing ring, power transmission shaft is connected with line shaft away from one end of motor, described dynamic
Second bearing is installed, the outer ring of the second bearing is provided with second bearing seat, the second bearing seat on the shaft part of power axle
It is fixed on the inwall of high pressure pump barrel, line shaft is away from being sequentially installed with multiple secondary locating rings and one on the shaft part of power transmission shaft
Chopped-off head locating ring, the side of the secondary locating ring is provided with secondary suction-type blade, and the side of the chopped-off head locating ring is provided with head
Level suction-type blade, chopped-off head suction-type blade is secondary suction-type blade along the axial chi of power along the axial size of power
Very little twice, on the outside of the secondary suction-type blade and chopped-off head suction-type blade supercharging device, the supercharging device are provided with
It is fixedly connected with end face of the high pressure pump barrel away from the second pump barrel, supercharging device is "T"-shaped annular slab superposition group by multiple sections
Into, and the side of annular slab is equipped with third through-hole, line shaft is located at the inside of third through-hole, annular slab side close to each other
It is fixedly connected with.
Preferably, first pump barrel and the second pump barrel are interconnected, protective cover, the first pump barrel and the second pump barrel phase mutual connection
Tactile end face is bolted to connection.
Preferably, the chopped-off head suction-type impeller is unshrouded impeller structure with secondary suction-type impeller, and chopped-off head is sucked
Formula impeller is steel material with secondary suction-type impeller.
Preferably, the outlet pipe is connected through the second pump barrel with high pressure pump barrel, and water inlet pipe is connected with the second pump barrel.
Preferably, the supercharging device is located at the inside of the first pump barrel.
Preferably, the protective cover, the first pump barrel and the second pump barrel are and are once integrally cast.
Compared with prior art, the invention has the beneficial effects as follows:
In the present invention, centrifugal pump body is tubular structure, closely;By arranging chopped-off head suction-type impeller, multistage secondary suction
Enter formula impeller and supercharging device, it can be ensured that liquid has one powerful to push away when water inlet has a powerful suction and water outlet
Power, improves the output pressure of centrifugal pump body, substantially increases the ability of centrifugal pump ontology extraction liquid, and efficiency is very high.
Description of the drawings
Fig. 1 is a kind of structural representation of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump proposed by the present invention;
Fig. 2 is a kind of schematic diagram of the supercharging device of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump proposed by the present invention;
Fig. 3 is a kind of schematic diagram of the secondary suction-type impeller of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump proposed by the present invention.
In figure:1 first pump barrel, 2 chopped-off head suction-type impellers, 3 level suction-type impellers, 4 high pressure pump barrels, 5 power transmission shafts, 6
Two pump barrels, 7 outlet pipes, 8 first pressure tables, 9 coolant inlet pipes, 10 coolant outlet pipes, 11 protective covers, 12 motors, 13 first axles
Hold, 14 sealing rings, 15 second pressure tables, 16 water inlet pipes, 17 second bearings, 18 line shafts, 19 supercharging devices, 20 levels positioning
Ring, 21 chopped-off head locating rings.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
A kind of reference picture 1-3, high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump, including protective cover 11, protective cover 11 is cylinder
Shape structure, the side of protective cover 11 is provided with coolant inlet pipe 10 and coolant outlet pipe 9, and coolant inlet pipe 10 goes out positioned at coolant
The top of pipe 9, the top of protective cover 11 is provided with first through hole, and power transmission shaft 5 is provided with first through hole, and one end of power transmission shaft 5 connects
Motor 12 is connected to, and motor 12 is fixed on the top of protective cover 11, protective cover 11 is provided with the second pump away from one end of motor 12
Cylinder 6, the side of the second pump barrel 6 is provided with outlet pipe 7 and water inlet pipe 16, and first pressure table 8 is provided with the pipeline section of outlet pipe 7,
Second pressure table 15 is installed, the second pump barrel 6 is provided with the first pump barrel away from one end of protective cover 11 on the pipeline section of water inlet pipe 16
1, the inwall of protective cover 11 is provided with the first bearing seat of annular, and clutch shaft bearing 13, clutch shaft bearing are provided with first bearing seat
13 are connected with power transmission shaft 5, and protective cover 11 is provided with high pressure pump barrel 4 away from the end face of motor 12, and protective cover 11 is away from motor
12 end face is provided with the second through hole, and sealing ring 14 is provided with the second through hole, and power transmission shaft 5 is socketed with the through hole of sealing ring 14,
Power transmission shaft 5 is connected with line shaft 18 away from one end of motor 12, and second bearing 17, the second axle are provided with the shaft part of line shaft 18
The outer ring for holding 17 is provided with second bearing seat, and second bearing seat is fixed on the inwall of high pressure pump barrel 4, and line shaft 18 is away from transmission
Multiple secondary locating rings 20 and a chopped-off head locating ring 21 are sequentially installed with the shaft part of axle, the side of secondary locating ring 20 is provided with
Secondary suction-type blade 3, the side of chopped-off head locating ring 21 is provided with chopped-off head suction-type blade 2, and chopped-off head suction-type blade 2 is along line shaft
The size in 18 directions is twice of the secondary suction-type blade 3 along the size in the direction of line shaft 18, secondary suction-type blade 3 and chopped-off head
The outside of suction-type blade 2 is provided with supercharging device 19, and end face of the supercharging device 19 with high pressure pump barrel 4 away from the second pump barrel 6 is consolidated
Fixed connection, supercharging device 19 is that "T"-shaped annular slab superposition is constituted by multiple sections, and the side of annular slab is equipped with threeway
Hole, line shaft 18 is located at the inside of third through-hole, and annular slab side close to each other is fixedly connected with, the first pump barrel 1 and second
Pump barrel 6 is interconnected, and the end face that protective cover 11, the first pump barrel 1 and the second pump barrel 6 contact with each other is bolted to connection,
Chopped-off head suction-type impeller 2 is unshrouded impeller structure, and chopped-off head suction-type impeller 2 and secondary suction with secondary suction-type impeller 3
Formula impeller 3 is steel material, and outlet pipe 7 is connected through the second pump barrel 6 with high pressure pump barrel 4, and water inlet pipe 16 connects with the second pump barrel 6
Logical, supercharging device 19 is located at the inside of the first pump barrel 1, and protective cover 11, the first pump barrel 1 and the second pump barrel 6 are once overall casting
Make and form.
Operation principle:When using, centrifugal pump body is placed in liquid, starts motor 12, motor 12 is by moment of torsion by passing
Moving axis 5 passes to line shaft 18, and so, chopped-off head suction-type blade 2 and secondary suction-type blade 3 revolve in the inside of supercharging device 19
Turn, liquid enters the first pump barrel 1 under powerful suction by water inlet pipe 16, and from the bottom of supercharging device 19 supercharging device is entered
In 19, and the inside of high pressure pump barrel 4 is pressed into again by chopped-off head suction-type blade 2 and secondary suction-type blade 3, and from outlet pipe
7 discharge, so as to obtain the liquid of efficient, high pressure.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (6)
1. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump, including protective cover(11), it is characterised in that the protective cover(11)
For columnar structured, protective cover(11)Side be provided with coolant inlet pipe(10)With coolant outlet pipe(9), and coolant inlet pipe
(10)Positioned at coolant outlet pipe(9)Top, protective cover(11)Top be provided with first through hole, be provided with the first through hole
Power transmission shaft(5), the power transmission shaft(5)One end be connected with motor(12), and motor(12)It is fixed on protective cover(11)Top,
Protective cover(11)Away from motor(12)One end the second pump barrel is installed(6), second pump barrel(6)Side water outlet is installed
Pipe(7)And water inlet pipe(16), the outlet pipe(7)Pipeline section on first pressure table is installed(8), the water inlet pipe(16)Pipe
Second pressure table is installed in section(15), the second pump barrel(6)Away from protective cover(11)One end the first pump barrel is installed(1), protect
Shield(11)Inwall be provided with annular first bearing seat, clutch shaft bearing is installed in the first bearing seat(13), it is described
Clutch shaft bearing(13)With power transmission shaft(5)It is connected, protective cover(11)Away from motor(12)End face high pressure pump barrel is installed
(4), protective cover(11)Away from motor(12)End face be provided with the second through hole, sealing ring is installed in second through hole(14),
The sealing ring(14)Through hole in be socketed with power transmission shaft(5), power transmission shaft(5)Away from motor(12)One end be connected with line shaft
(18), the line shaft(18)Shaft part on second bearing is installed(17), the second bearing(17)Outer ring be provided with
Two bearing bracket, the second bearing seat is fixed on high pressure pump barrel(4)Inwall on, line shaft(18)Away from the shaft part of power transmission shaft
It is sequentially installed with multiple secondary locating rings(20)With a chopped-off head locating ring(21), the secondary locating ring(20)Side be provided with
Secondary suction-type blade(3), the chopped-off head locating ring(21)Side be provided with chopped-off head suction-type blade(2), chopped-off head suction-type leaf
Piece(2)Along line shaft(18)The size in direction is secondary suction-type blade(3)Along line shaft(18)The twice of the size in direction, institute
State secondary suction-type blade(3)With chopped-off head suction-type blade(2)Outside supercharging device is installed(19), the supercharging device
(19)With high pressure pump barrel(4)Away from the second pump barrel(6)End face be fixedly connected, supercharging device(19)It is "T"-shaped by multiple sections
Annular slab superposition composition, and the side of annular slab is equipped with third through-hole, line shaft(18)Positioned at the inside of third through-hole, ring
Shape plate side close to each other is fixedly connected with.
2. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump according to claim 1, it is characterised in that first pump
Cylinder(1)With the second pump barrel(6)It is interconnected, protective cover(11), the first pump barrel(1)With the second pump barrel(6)The end face for contacting with each other
It is bolted to connection.
3. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump according to claim 1, it is characterised in that the chopped-off head is inhaled
Enter formula impeller(2)With secondary suction-type impeller(3)It is unshrouded impeller structure, and chopped-off head suction-type impeller(2)With secondary suction
Formula impeller(3)It is steel material.
4. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump according to claim 1, it is characterised in that the outlet pipe
(7)Through the second pump barrel(6)With high pressure pump barrel(4)Connection, water inlet pipe(16)With the second pump barrel(6)Connection.
5. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump according to claim 1, it is characterised in that the supercharging dress
Put(19)Positioned at the first pump barrel(1)Inside.
6. a kind of high efficiency high-pressure multi-stage tubular-bag tyep centrifugal pump according to claim 1, it is characterised in that the protective cover
(11), the first pump barrel(1)With the second pump barrel(6)It is and is once integrally cast.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610905009.6A CN106640675A (en) | 2016-10-19 | 2016-10-19 | High-efficiency high-pressure multi-stage barrel centrifugal pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610905009.6A CN106640675A (en) | 2016-10-19 | 2016-10-19 | High-efficiency high-pressure multi-stage barrel centrifugal pump |
Publications (1)
Publication Number | Publication Date |
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CN106640675A true CN106640675A (en) | 2017-05-10 |
Family
ID=58855514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610905009.6A Pending CN106640675A (en) | 2016-10-19 | 2016-10-19 | High-efficiency high-pressure multi-stage barrel centrifugal pump |
Country Status (1)
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CN (1) | CN106640675A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111536046A (en) * | 2019-12-19 | 2020-08-14 | 合肥皖化电泵有限公司 | Multi-stage delivery pump |
-
2016
- 2016-10-19 CN CN201610905009.6A patent/CN106640675A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111536046A (en) * | 2019-12-19 | 2020-08-14 | 合肥皖化电泵有限公司 | Multi-stage delivery pump |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
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WD01 | Invention patent application deemed withdrawn after publication |