CN108799145A - A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band - Google Patents
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band Download PDFInfo
- Publication number
- CN108799145A CN108799145A CN201810757495.0A CN201810757495A CN108799145A CN 108799145 A CN108799145 A CN 108799145A CN 201810757495 A CN201810757495 A CN 201810757495A CN 108799145 A CN108799145 A CN 108799145A
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- China
- Prior art keywords
- motor
- pump
- mixed flow
- water
- rotor part
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 5
- 230000011218 segmentation Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
-
- 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
- F04D29/18—Rotors
-
- 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
- F04D29/406—Casings; Connections of working fluid 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses the high-efficiency mixed flows of a kind of band from cooling submersible motor to pump, it uses Drawing-Core structure, include cylinder and core, cylinder includes the pump seat being made of long tube, the side of pump seat is connected with bend pipe, the bottom end of the pump seat is equipped with water-inlet horn mouth, the bottom end of water-inlet horn mouth is equipped with sucking guard, core is located in cylinder, and include rotor part, the bottom end of rotor part is equipped with diffuser by bearing, the bottom end of diffuser is equipped with runner envelope, the upper end of diffuser is equipped with the Taper Pipe being sleeved on rotor part, Taper Pipe upper end is equipped with the inner protective tube coordinated with it, the upper end of pump seat is equipped with pump cover, motor component is installed on pump cover, the motor component is mounted in cooling cover.Structure of the invention reasonable design, it is convenient to install and maintain, motor is carried out, from cooling, to keep motor application range more extensive, stability is good, and section components use segment design, reduces factory building height, reduces investment outlay.
Description
Technical field：
The present invention relates to pump fields, relate generally to a kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band.
Background technology：
Mixed-flow pump is to be mainly used in urban water supply, municipal sewage drainage system, and sewage treatment project, water drainage are irrigated etc.；It has
There are big flow, middle and low lift, anti-cavitation performance is good, the advantages that adapting to fluctuation of water table larger occasion.
But traditional submersible mixed-flow pump is generally using pit shaft suspention or the prefabricated pit shaft mounting means of mixed mud；Tradition
Dry type mixed-flow pump generally use biradical plinth mounting means；It is required for operating whole pump when the installation, maintenance of water pump, not side
Just.
In addition, traditional submersible mixed-flow is pumped using spatial guide blade, guide vane divergence loss is larger；It is suspended in midair using pit shaft
Or when mixed mud prefabricated pit shaft installation, flow is discharged by motor, pit shaft threeway, and there are larger at motor and pit shaft threeway
Hydraulic loss, efficiency is generally significantly less than the efficiency of dry type mixed-flow pump.On the other hand, although the dry type mixed flow efficiency of pump is very high,
But its application scenario is limited, and the occasion that motor may be submerged can not be applied to.
Invention content：
The object of the invention is exactly to provide a kind of high-efficiency mixed flow of the certainly cooling submersible motor of band to make up the defect of prior art
Pump, it is convenient to install and maintain, motor is carried out, from cooling, to keep motor application range more extensive, stability is good, and section components are adopted
With segment design, factory building height is reduced, is reduced investment outlay.
The present invention is achieved by the following technical solutions：
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band, uses Drawing-Core structure, it is characterised in that：Include cylinder and
Core, the cylinder include the pump seat being made of long tube, and the side of the pump seat is connected with curved by inner connecting tube and deflector
Pipe, the bottom end of the pump seat are equipped with water-inlet horn mouth, and the bottom end of the water-inlet horn mouth is equipped with sucking guard, the core
In cylinder, and include rotor part, the bottom end of the rotor part is equipped with diffuser, the diffuser by bearing
Bottom end runner envelope is installed, the upper end of the diffuser is equipped with the Taper Pipe being sleeved on rotor part, the Taper Pipe upper end
Portion is equipped with the inner protective tube coordinated with it, and the upper end of the pump seat is equipped with pump cover, motor component is equipped on the pump cover, described
Motor component is mounted in cooling cover.
The water-inlet horn mouth is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth passes through double end spiral shell
Column is fixed on long tube pedestal position, and the sucking guard is fixed together by bolt and water-inlet horn mouth.
The long tube uses the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with and rotor
The pedestal of component coupling, the long tube outside are equipped with pedestal, intermediate supports, the long tube top and electricity are equipped with inside the long tube
Motor cabinet in machine component is connected.
The runner envelope is linked together by studs and diffuser, is passed through between rotor part and is coupled
Connection.
The diffuser uses straight guide vane, runner angle of flare very little, vane inlet runner and impeller outlet runner rank
It kisses and closes, vane inlet laying angle and impeller outlet laying angle match.
The Taper Pipe and inner protective tube connects together by welding, and the inner protective tube is using the form being segmented, no
Intermediate supports are embedded in long tube with passing through between section.
The rotor part includes impeller, axis, shaft coupling, impeller nut, key.The impeller uses semi-open type leaf
Wheel, the axis uses segmental machining, and is connected by shaft coupling between different sections；The shape and impeller of the impeller nut are intake
Flow channel shape is consistent.
The motor component includes motor connecting base, and the motor connecting base has been connected through a screw thread motor entering water pipe close
It is discharged pipe close with motor, motor outer pipe is installed on the motor connecting base, the motor connecting base lower end is equipped with motor
Lower machine sealed cover, machine sealed cover lower end is mounted on motor cabinet under the motor, and the motor cabinet is mounted on pump seat, under described
Machine sealed cover maximum outside diameter is less than the minimum outer diameter of motor cabinet and motor connecting base connecting portion, and lower machine sealed cover is embedded in motor
Between connecting seat and motor cabinet, the motor and rotor part transmit torque by shaft coupling, the rotor part axis it is upper
End is mounted on by parts of bearings, stuffing-box component in motor cabinet.
The pump cover is equipped with trimmer valve, and rapid-release valve is equipped on the trimmer valve.
It is an advantage of the invention that：
1, the high-efficiency mixed flow of Drawing-Core band from cooling submersible motor pumps, convenient to install and maintain.
2, submersible motor component carries cooling cover, and dedicated coolant liquid is equipped in cooling cover.Pass through interior circulation impeller
Operating, motor is carried out from cooling, and lower machine envelope is cooled down by way of external cooling water, makes motor application model
It encloses more extensively.
3, the connection between motor cabinet, motor connecting base and lower machine sealed cover three is embedded using lower machine sealed cover
Machine envelope reduces motor axial length, increased stability using the form of end seal under form and motor.
4, horn mouth welding designs the vortex for alleviating water inlet flow every whirlpool plate, improves unit fixed on water pump suction fluidised form, improves Pump Suction
Enter performance.
5, the straight guide vane that guide vane uses, angle of flare are very little, and divergence loss also very little is conducive to the raising of pump efficiency.
6, water pump runner is smooth, and flow is without motor component, and through being flowed out close to 90 degree of bend pipes, passages losses are very low.
7, most of water pump part is weldment, reduces die sinking expense, and use segment design, reduces factory building height, section
Investment-saving.
Description of the drawings：
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of motor component.
Specific implementation mode：
Referring to attached drawing.
A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band, uses Drawing-Core structure, includes cylinder and core, institute
It includes the pump seat 14 being made of long tube 4 to state cylinder, and the side of the pump seat 14 is connected to by inner connecting tube 10 with deflector 11 curved
The bottom end of pipe 9, the pump seat 14 is equipped with water-inlet horn mouth 2, and the bottom end of the water-inlet horn mouth 2 is equipped with sucking guard 1, institute
It states core to be located in cylinder, and includes rotor part 8, the bottom end of the rotor part 8 is equipped with diffuser 6 by bearing 5,
The bottom end of the diffuser 6 is equipped with runner envelope 3, and the upper end of the diffuser 6 is equipped with the Taper Pipe being sleeved on rotor part 8
7,7 upper end of the Taper Pipe is equipped with the inner protective tube 13 coordinated with it, and the upper end of the pump seat 14 is equipped with pump cover 16, the pump cover
Motor component 23 is installed, the motor component 23 is mounted in cooling cover on 16.
The water-inlet horn mouth 2 is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth 2 passes through double end
Stud is fixed on 4 pedestal position of long tube, and the sucking guard 1 is fixed together by bolt and water-inlet horn mouth 2；Suck guard 1
It can effectively prevent big sundries by water-inlet horn mouth 2 to enter in pump, have the function that antiwind；Water-inlet horn mouth 2 is adopted
It is formed with welding processing, reduces die cost；In addition, the setting of vortex shield keeps incoming more smooth.
The long tube 4 uses the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with and rotor
The pedestal that component 8 couples, 4 outside of the long tube are equipped with pedestal, intermediate supports 12 are equipped with inside the long tube, and the long tube 4 pushes up
End is connected with the motor cabinet in motor component 23.
The runner envelope 3 is linked together by studs and diffuser 6, and front shroud of impeller is played the role of,
It is between rotor part 8 by being of coupled connections.
The diffuser 6 uses straight guide vane, runner angle of flare very little, vane inlet runner and impeller outlet runner rank
It kisses and closes, vane inlet laying angle and impeller outlet laying angle match.
The Taper Pipe and inner protective tube connects together by welding, and the inner protective tube is using the form being segmented, no
Intermediate supports are embedded in long tube with passing through between section.
The rotor part 8 includes impeller, axis, shaft coupling, impeller nut, key.The impeller uses semi-open type leaf
Wheel, the axis uses segmental machining, and is connected by shaft coupling between different sections；The shape and impeller of the impeller nut are intake
Flow channel shape is consistent.
The motor component 23 has been connected through a screw thread electricity including motor connecting base 23-7, the motor connecting base 23-7
Motor outer pipe 23-4, institute are installed on machine water inlet pipe close 23-6 and motor water outlet pipe close 23-2, the motor connecting base 23-7
It states and circulation impeller 32-3 in motor is installed in motor outer pipe 23-4, the lower ends the motor connecting base 23-7 are equipped under motor
Machine sealed cover 23-1, the lower ends machine sealed cover 23-1 are mounted on motor cabinet 21 under the motor, and the motor cabinet 21 is mounted on pump
It on seat 14, and is fixed by foundation ring 15, machine sealed cover 23-1 maximum outside diameters are less than motor cabinet 21 and connect with motor under the motor
The minimum outer diameter of joint chair 23-7 connecting portions, under motor machine sealed cover 23-1 be embedded in motor connecting base 23-7 and motor cabinet 21 it
Between and between the axis in rotor part shaft coupling 22 is passed through by double mechanical seal 23-5, the motor and rotor part
Torque is transmitted, the upper end of the rotor part axis is mounted on by parts of bearings 20, stuffing-box component 19 in motor cabinet.
The pump cover 16 is equipped with trimmer valve 17, and rapid-release valve 18 is equipped on the trimmer valve 17.
Claims (9)
1. a kind of band uses Drawing-Core structure from the high-efficiency mixed flow pump of cooling submersible motor, it is characterised in that：It include cylinder
And core, the cylinder include the pump seat being made of long tube, the side of the pump seat is connected with by inner connecting tube and deflector
The bottom end of bend pipe, the pump seat is equipped with water-inlet horn mouth, and the bottom end of the water-inlet horn mouth is equipped with sucking guard, the core
Body is located in cylinder, and includes rotor part, and the bottom end of the rotor part is equipped with diffuser, the guide vane by bearing
The bottom end of body is equipped with runner envelope, and the upper end of the diffuser is equipped with the Taper Pipe being sleeved on rotor part, on the Taper Pipe
End is equipped with the inner protective tube coordinated with it, and the upper end of the pump seat is equipped with pump cover, motor component, institute are equipped on the pump cover
Motor component is stated in cooling cover.
2. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The water inlet loudspeaker
Mouth is weldment, and vortex shield is arranged inside, and the water-inlet horn mouth is fixed on long tube pedestal position by studs,
The sucking guard is fixed together by bolt and water-inlet horn mouth.
3. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The long tube is adopted
It with the form of segmentation, is bolted between adjacent long tube, long tube bottom end is equipped with the pedestal coupled with rotor part, the length
Tube outside is equipped with pedestal, is equipped with intermediate supports inside the long tube, the long tube top is connected with the motor cabinet in motor component.
4. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The runner envelope
It is to be linked together by studs and diffuser, by being of coupled connections between rotor part.
5. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The diffuser
Using straight guide vane, runner angle of flare very little, vane inlet runner and the linking of impeller outlet runner coincide, vane inlet laying angle
Match with impeller outlet laying angle.
6. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The Taper Pipe and
Inner protective tube connects together by welding, the form of the inner protective tube use segmentation, by long tube between different sections
Embedded intermediate supports.
7. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The rotor portions
Part includes impeller, axis, shaft coupling, impeller nut, key；The impeller uses half-opened impeller, the axis to use segmental machining,
And it is connected by shaft coupling between different sections；The shape of the impeller nut is consistent with impeller water inlet flow channel shape.
8. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：The motor section
Part includes motor connecting base, and the motor connecting base has been connected through a screw thread motor entering water pipe close and motor water outlet pipe close, described
Motor outer pipe is installed, the motor connecting base lower end is equipped with machine sealed cover under motor, the motor on motor connecting base
Lower machine sealed cover lower end is mounted on motor cabinet, and the motor cabinet is mounted on pump seat, and the lower machine sealed cover maximum outside diameter is small
In the minimum outer diameter of motor cabinet and motor connecting base connecting portion, lower machine sealed cover be embedded in motor connecting base and motor cabinet it
Between, the motor and rotor part transmit torque by shaft coupling, the upper end of the rotor part axis by parts of bearings,
Stuffing-box component is mounted in motor cabinet.
9. the high-efficiency mixed flow of band according to claim 1 from cooling submersible motor pumps, it is characterised in that：On the pump cover
Equipped with trimmer valve, rapid-release valve is installed on the trimmer valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757495.0A CN108799145B (en) | 2018-07-11 | 2018-07-11 | High-efficiency mixed flow pump with self-cooling submersible motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757495.0A CN108799145B (en) | 2018-07-11 | 2018-07-11 | High-efficiency mixed flow pump with self-cooling submersible motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108799145A true CN108799145A (en) | 2018-11-13 |
| CN108799145B CN108799145B (en) | 2024-03-19 |
Family
ID=64075106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757495.0A Active CN108799145B (en) | 2018-07-11 | 2018-07-11 | High-efficiency mixed flow pump with self-cooling submersible motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799145B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001073982A (en) * | 1999-09-07 | 2001-03-21 | Ishigaki Co Ltd | Vertical shaft pump with built-in reduction gear |
| JP2005113792A (en) * | 2003-10-08 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Sealed compressor |
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| CN102606536A (en) * | 2012-03-27 | 2012-07-25 | 上海阿波罗机械股份有限公司 | Coolant drain tank pump for nuclear reactor |
| CN102753830A (en) * | 2010-02-12 | 2012-10-24 | 株式会社荏原制作所 | Submersible motor pump, motor pump, and tandem mechanical seal |
| CN103062135A (en) * | 2013-01-08 | 2013-04-24 | 安徽三联泵业股份有限公司 | Internal circulating cooling system and internal circulating cooling method of submersible electric pump motor |
| CN103201517A (en) * | 2010-08-17 | 2013-07-10 | Mpc有限公司 | Non-metallic vertical turbine pump |
| JP2015045249A (en) * | 2013-08-27 | 2015-03-12 | 三菱重工業株式会社 | Pump |
| CN107605791A (en) * | 2017-10-16 | 2018-01-19 | 上海阿波罗机械股份有限公司 | The mixed-flow pump of LNG receiving stations |
| CN208651198U (en) * | 2018-07-11 | 2019-03-26 | 合肥凯泉电机电泵有限公司 | A kind of high-efficiency mixed flow pump of the certainly cooling submersible motor of band |
-
2018
- 2018-07-11 CN CN201810757495.0A patent/CN108799145B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001073982A (en) * | 1999-09-07 | 2001-03-21 | Ishigaki Co Ltd | Vertical shaft pump with built-in reduction gear |
| JP2005113792A (en) * | 2003-10-08 | 2005-04-28 | Matsushita Electric Ind Co Ltd | Sealed compressor |
| CN201650873U (en) * | 2009-09-11 | 2010-11-24 | 上海凯泉泵业（集团）有限公司 | Vertical core-loosing type mixed flow pump |
| CN102086889A (en) * | 2009-12-04 | 2011-06-08 | 山东双轮集团股份有限公司 | Automatic cooling type sewage pump |
| CN102753830A (en) * | 2010-02-12 | 2012-10-24 | 株式会社荏原制作所 | Submersible motor pump, motor pump, and tandem mechanical seal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108799145B (en) | 2024-03-19 |
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