CN106122037A - A kind of chiller of high-temperature pump suspension body - Google Patents
A kind of chiller of high-temperature pump suspension body Download PDFInfo
- Publication number
- CN106122037A CN106122037A CN201610683422.2A CN201610683422A CN106122037A CN 106122037 A CN106122037 A CN 106122037A CN 201610683422 A CN201610683422 A CN 201610683422A CN 106122037 A CN106122037 A CN 106122037A
- Authority
- CN
- China
- Prior art keywords
- suspension body
- pump shaft
- pump
- chiller
- temperature
- 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.)
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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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/06—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/106—Shaft sealings 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
- F04D29/20—Mounting rotors on shafts
-
- 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
- F04D29/5866—Cooling at last part of the working fluid in a heat exchanger
-
- 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
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
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 chiller of a kind of high-temperature pump suspension body, including axle sleeve, guide bearing, water inlet pipe, pipe joint, heat pipe, radiator, choke valve, suspension body, pump shaft, sealing impeller；Described water inlet pipe draws high-pressure fluid from delivery side of pump, heat exchange is carried out with air by radiator and heat pipe, after choke valve speed governing, in the annular space that water inlet pipe flows between suspension body and pump shaft, suspension body internal face has equivalently-sized rectangular channel, and fluid produces axial velocity to the left in the right-hand member of groove has an annular space sealed between impeller drive suspension body and pump shaft, this kind of flow regime can largely improve pump shaft and the heat exchange of the relatively low fluid of temperature, effectively the heat on pump shaft is passed to the fluid that temperature is relatively low, avoid heat to pass through pump shaft and axially pass to bearing and sealing from the Operational Zone that pump temperature is higher, improve the life-span and stability sealed with bearing.
Description
Technical field
The present invention relates to, in the system that the hot fluid for recycling provides steady pressure and flow velocity, carry high-temperature liquid
The suspension body chiller of the high-temperature pump of body medium, refers more particularly to the chiller of a kind of high-temperature pump suspension body.
Background technology
In the system in the fields such as metallurgy, power station, chemical industry, residual heat and energy, using high-temperature pump is the heat carrier recycled
Steady pressure and flow velocity are provided.
The cooling system using external cooling water that high-temperature pump is more, utilizes the circulation of cooling water to isolate pumped (conveying) medium
Heat transmits, to avoid mechanical seal and bearing to be affected by high temperature, it is ensured that high-temperature pump can stable operation.But this cooling
System also exists many problems, and first, this cooling system needs substantial amounts of cooling water when longtime running；Secondly, cold when outside
But the deficiency of the water water yield, or when the cooling line of logical cooling water occurs blocking, sealing and bearing can be caused at high temperature to run,
And then affect the normal operation of high-temperature pump；On the basis of this kind of cooling system, patent: ZL201210331189.3 proposes one
Internal face is with the suspension body of groove structure, but the suspension body surface of this kind of structure is direct and air carries out heat exchange, and convection current is changed
Hot coefficient is less, and the annular space flowing in groove is shaftless to flowing, causes chiller heat-transfer effect poor.
Summary of the invention
For solving the problems referred to above, by offering hole in suspension body, pump shaft is installed and seals blade, utilize heat radiation simultaneously
Suspension body is dispelled the heat by device.
The present invention is achieved by following technical solution:
The chiller of a kind of high-temperature pump suspension body, including guide bearing, radiator, suspension body, pump shaft and sealing blade；Institute
State suspension body inwall and axially offer porose A；Described pump shaft sleeve is contained in the hole A that suspension body is offered；Described pump shaft one end is by leading
Bearing is arranged on suspension body one end, and the other end is arranged on the other end of suspension body by bearings D；Shaft part circumference in the middle of described pump shaft
On be welded with several sealing blade；Offer screwed hole B along suspension body radially side, and this screwed hole B is near sealing blade；Institute
State and in the middle of water inlet pipe, be connected with radiator and choke valve in turn；Threaded with screwed hole B in water inlet pipe one end, and choke valve is close
Screwed hole B.
Further, it is provided with axle sleeve between described pump shaft and guide bearing.
Further, having screwed hole C bottom described radiator, radiator is connected with heat pipe by screwed hole C.
Further, described heat pipe is connected with heat pipe by pipe joint.
Further, described radiator is cylindrical, and cylindrical surface radially has cannelure.
Further, described sealing blade number is more than 1.
Further, described sealing blade number 2-4.
Further, described suspension body internal face has the most uniform groove, and groove number is 9.
Further, in the middle of described pump shaft equipped with seal blade axle head external diameter be D1, a diameter of D of suspension body internal face2, then
Groove width is 0.8* (D2-D1), gash depth is 0.6* (D2-D1)。
Further, described pump shaft left-hand end offers two rectangular channels vertically, and the degree of depth is not more than the pump shaft diameter of axle at this
0.2 times, width is less than at this 0.3 times of pump shaft diameter of axle, and two rectangular channel angles are 180 °.
Beneficial effect:
1. by from delivery side of pump draw high-pressure fluid through radiator cool down after seal blade drive at annular space
Interior formed Taylor Ku Aite poiseuille flowing process, this kind flowing can significantly enhanced heat transfer performance, beneficially mechanical seal and
Temperature at bearing reduces.
2., by offering hole in suspension body, pump shaft is installed and seals blade, utilize radiator that suspension body is entered simultaneously
Row heat radiation.
3. the effect of guide bearing mainly reduces the bias of axle, and there is liquid film between guide bearing and axle and can play
Support effect, does not use guide bearing if directly utilizing water lubrication, can cause producing due to the rotation vibrations of axle near guide bearing
Raw substantial amounts of whirlpool, flow field situation is extremely complex, can affect the properly functioning of pump, and after having added guide bearing, this kind of situation can subtract significantly
Slow.
4. have cannelure around radiator, to increase the area of dissipation of radiator.
5. on pump shaft and pump shaft, the sealing blade of welding drives stream relative to suspension body high-speed rotation, the sealing blade of rotation
Body makees directed movement to the left vertically, and the annular space between suspension body and pump shaft is internally formed Talyor-Couette
Poiseuille flows, and the heat on pump shaft is quickly passed to the cryogen in annular space, enhances heat transfer by this kind of energy of flow
Effect, it is to avoid heat axially passes to bearing and sealing by pump shaft from the Operational Zone that pump temperature is higher, improves sealing
With life-span of bearing and stable.
6. sealing blade water inlet right-hand member in suspension body of the welding on pump shaft, the sealing blade of high speed rotating drives it
Fluid in the annular space of left side produces axial velocity to the left, meanwhile, seals blade and can reduce its right-hand member flow field at bearing housing
Pressure, reduce the sealing leak of suspension body and bearing housing junction.
7. this structure instead of the cooling system of external cooling water form, improves and seals and the service life of bearing, joint
About water resource, has heat transfer efficiency high, the feature of easy processing and manufacturing simultaneously.
Accompanying drawing explanation
Fig. 1 is the chiller entirety profile of high-temperature pump suspension body；
Fig. 2 is the chiller B-B profile of high-temperature pump suspension body；
Fig. 3 is the chiller A-A sectional structure chart of high-temperature pump suspension body；
Fig. 4 is radiator profile；
Fig. 5 is pump shaft and sealing blade weld front view.
Reference is as follows:
1-axle sleeve；2-guide bearing；3-water inlet pipe；4-pipe joint；5. heat pipe；6-radiator；7-choke valve；8-suspension body；
9-pump shaft；10-seals blade；11-rectangular channel.
Detailed description of the invention
For the present invention is further understood, illustrate in conjunction with accompanying drawing:
In conjunction with accompanying drawing 1, the chiller of a kind of high-temperature pump suspension body, including guide bearing 2, radiator 6, suspension body 8, pump shaft
9 and seal blade 10；Described suspension body 8 inwall axially offers porose A；Described pump shaft 9 is sleeved in the hole A that suspension body 8 is offered；
Described pump shaft 9 one end is arranged on suspension body 8 one end by guide bearing 2, and the other end is arranged on another of suspension body 8 by bearings D
End；It is welded with several sealing blade 10 on described pump shaft 9 middle shaft part circumference；Radially screwed hole is offered in side along suspension body 8
B, and this screwed hole B is near sealing blade 10；It is connected with radiator 6 and choke valve 7 in turn in the middle of described water inlet pipe 3；Water inlet pipe 3
Threaded with screwed hole B in one end, and choke valve 7 is near screwed hole B.
In conjunction with accompanying drawing 4, wherein, it is provided with axle sleeve 1 between described pump shaft 9 and guide bearing 2；Have bottom described radiator 6
Screwed hole C, radiator 6 is connected with heat pipe 5 by screwed hole C.Described heat pipe 5 is connected with heat pipe 3 by pipe joint 4.Institute
Stating radiator 6 is cylinder, and cylindrical surface radially has cannelure.
In conjunction with accompanying drawing 5, described sealing blade 10 number is odd number, is taken as 3 or 5.Described suspension body 8 internal face is opened
Having the most uniform groove, groove number is 9.
In conjunction with accompanying drawing 1,2 and 3, described pump shaft 9 is middle is D equipped with sealing blade 10 axle head external diameter1, suspension body 8 internal face
A diameter of D2, then groove width is 0.8* (D2-D1), gash depth is 0.6* (D2-D1).Described pump shaft 9 left-hand end is opened vertically
Being provided with two rectangular channels 11, the degree of depth is not more than at this 0.2 times of pump shaft 9 diameter of axle, and width is less than at this 0.3 of pump shaft 9 diameter of axle
Times, two rectangular channel 11 angles are 180 °.
Pump shaft 9 rotarily drives the sealing blade 10 being welded on pump shaft at bearing housing and rotates, and fluid is close rotate
Envelope blade 10 produces an axial velocity to the left in annular space between suspension body 8 and pump shaft 9 under driving, and pump shaft 9 is installed
Axle sleeve 1, installs guide bearing 2 between axle sleeve 1 and suspension body 8, suspension body 8 left end is connected with pump cover by flange, suspension body 8 right-hand member
It is connected with bearing housing by flange.At sealing blade 10 left end, have screwed hole B, screwed hole B in suspension body 8 and connect water inlet
Pipe 3, water inlet pipe 3 stage casing installation radiator 6 and choke valve 7, the high temperature fluid at pump discharge cools through radiator 6.
It addition, pump shaft 9 is having two rectangular channels 11, square near sealing blade 10 end at axle sleeve 1 to the shaft shoulder
Shape groove 11 degree of depth is less than at this 0.2 times of diameter of axle, and width is less than at this 0.3 times of diameter of axle, and two rectangular channel 11 angles are
180 °, on pump shaft, have a keyway simultaneously, carry through water inlet pipe 3 from sealing the high-pressure fluid flowed out in blade 10 exit
To radiator 6, fluid flows into suspension body 8 and pump shaft 9 after choke valve 7 speed governing in radiator 6 cooling and radiator 6 exit
Between annular space in, have axial groove in this annular space, fluid flows into annular space at the aperture of suspension body, due to the pressure of pump discharge
Higher than import, and be welded on pump shaft provide an axial speed to the left to annular fluid when sealing blade 10 high speed rotating
The rectangle concentrated flow offered on axle sleeve and pump shaft under degree, pressure reduction that annular fluid is imported and exported at pump and the drive of sealing blade 10
To the import of the relatively low pump of pressure, form a self circular loop.
In the middle of described pump shaft equipped with seal blade axle head external diameter be D1, a diameter of D of suspension body 9 internal face2, groove width is
0.8*(D2-D1), gash depth is 0.6* (D2-D1), when high-temperature pump is properly functioning, pump shaft 9 is close be welded on pump shaft 9
Envelope blade 10 drives fluid to make directed movement to the left vertically relative to suspension body 8 high-speed rotation, the blade 10 that seals of rotation,
Annular space between suspension body 8 and pump shaft 10 is internally formed Talyor-Couette Poiseuille flowing, and this kind of energy of flow is by pump
Heat on axle 9 quickly passes to the cryogen in annular space, enhances heat-transfer effect, it is to avoid heat is from the higher fortune of pump temperature
Row district axially passes to bearing and sealing by pump shaft, improves and seals and life-span of bearing and stable.
Have cannelure around radiator 6, to increase the area of dissipation of radiator, have N number of same with radiator 6 bottom it
The screwed hole C of axle, is used for installing the screwed heat pipe in surface 5, and heat pipe 5 evaporation ends screws in the screwed hole coaxial with radiator 6
In, condensation end directly contacts with air.Assuming that the heat flow by pump shaft 9 is Φ, the power of single heat pipe is P, then heat pipe number
Amount N > Φ/P.
The sealing blade 10 of the welding on pump shaft 9 water inlet right-hand member in suspension body 8, the sealing blade 10 of high speed rotating carries
The fluid moved on the left of it in annular space produces axial velocity to the left, meanwhile, seals blade and can reduce its right-hand member at bearing housing
The pressure in flow field, reduces the sealing leak of suspension body and bearing housing junction.
Operation principle:
When high-temperature pump runs, under fluid high pressure at pump discharge drives, through water inlet pipe 3 inflow radiator 6, heat radiation
Relying on screwed hole C to be connected with heat pipe 5 bottom device 6, the high temperature fluid flowed at pump discharge first passes through and is arranged on radiator 6 end
Heat pipe 5 and the external environment in portion carry out heat exchange, and meanwhile, radiator 6 periphery has cannelure, significantly increases radiator
With heat exchange area and the region area of fluid process of external environment, enhance heat-sinking capability so that fluid is by reducing temperature twice.
After high temperature fluid cooling, flow into the annular space between suspension body 8 and pump shaft 9 through water inlet pipe 4, water inlet pipe 4 is provided with choke valve
7, in order to control the flow velocity of tube fluid, under the effect of the inlet outlet pressure differential sealing blade 10 and pump of pump shaft 9 right-hand member, fluid
Creating axial flowing to the left, suspension body 8 internal face has the identical rectangular channel of physical dimension vertically 11, when pump shaft 9
During high speed rotating, driving the sealing blade 10 being welded on pump shaft 9 to rotate, this kind of energy of flow strengthens the heat between pump shaft 9 and fluid
Exchange.The fluid flowing through annular space is completed certainly by two rectangular channels 11 offered on pump shaft 9, the import flowing to the relatively low pump of pressure
Circulation, these two rectangular channels 11 also play the effect of lubrication guide bearing simultaneously.
Described embodiment be the present invention preferred embodiment, but the present invention is not limited to above-mentioned embodiment, not
In the case of deviating from the flesh and blood of the present invention, any conspicuously improved, the replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (10)
1. the chiller of a high-temperature pump suspension body, it is characterised in that: include guide bearing (2), radiator (6), suspension body
(8), pump shaft (9) and sealing blade (10)；Described suspension body (8) inwall axially offers porose A；Described pump shaft (9) is sleeved on outstanding
In the hole A that support body (8) is offered；Described pump shaft (9) one end is arranged on suspension body (8) one end by guide bearing (2), and the other end passes through
Bearings D is arranged on the other end of suspension body (8)；It is welded with several sealing blade (10) on shaft part circumference in the middle of described pump shaft (9)；
Offer screwed hole B along suspension body (8) radially side, and this screwed hole B is near sealing blade (10)；In described water inlet pipe (3)
Between be connected with radiator (6) and choke valve (7) in turn；Threaded with screwed hole B in water inlet pipe (3) one end, and choke valve (7) leans on
Nearly screwed hole B.
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: described pump shaft (9) and guide shaft
Hold and between (2), be provided with axle sleeve (1).
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: described radiator (6) bottom
Having screwed hole C, radiator (6) is connected with heat pipe (5) by screwed hole C.
The chiller of high-temperature pump suspension body the most according to claim 2, it is characterised in that: described heat pipe (5) is by pipe
Joint (4) is connected with heat pipe (3).
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: described radiator (6) is circle
Cylindricality, and cylindrical surface radially has cannelure.
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: described sealing blade (10) is individual
Number is more than 1.
The chiller of high-temperature pump suspension body the most according to claim 5, it is characterised in that: described sealing blade (10) is individual
Number is 2～4.
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: described suspension body (8) inwall
Face has the most uniform groove, and groove number is 9.
The chiller of high-temperature pump suspension body the most according to claim 1, it is characterised in that: dress in the middle of described pump shaft (9)
Having sealing blade (10) axle head external diameter is D1, a diameter of D of suspension body (8) internal face2, then groove width is 0.8* (D2-D1), ditch
Groove depth is 0.6* (D2-D1)。
A kind of high-temperature pump suspension body chiller the most according to claim 1, it is characterised in that: described pump shaft (9) left side
End offers two rectangular channels (11) vertically, and the degree of depth is not more than 0.2 times of pump shaft at this (9) diameter of axle, and width is less than at this
0.3 times of pump shaft (9) diameter of axle, two rectangular channel (11) angles are 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683422.2A CN106122037B (en) | 2016-08-17 | 2016-08-17 | A kind of cooling device of high-temperature pump suspension body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683422.2A CN106122037B (en) | 2016-08-17 | 2016-08-17 | A kind of cooling device of high-temperature pump suspension body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122037A true CN106122037A (en) | 2016-11-16 |
| CN106122037B CN106122037B (en) | 2018-10-09 |
Family
ID=57278662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610683422.2A Active CN106122037B (en) | 2016-08-17 | 2016-08-17 | A kind of cooling device of high-temperature pump suspension body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122037B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167195A (en) * | 2017-12-27 | 2018-06-15 | 中国科学院上海应用物理研究所 | A kind of superelevation temperature molten salt shaft seal pump |
| CN108763682A (en) * | 2018-05-16 | 2018-11-06 | 衢州学院 | The hot optimization method and heat optimization device of machine tool chief axis based on Taguchi's method |
| CN114857094A (en) * | 2022-07-05 | 2022-08-05 | 福建佳润电机工业有限公司 | Explosion-proof water pump |
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| JPH09137795A (en) * | 1995-11-16 | 1997-05-27 | Mitsubishi Heavy Ind Ltd | Bearing device of pump |
| CN2690629Y (en) * | 2004-04-07 | 2005-04-06 | 李再成 | High temperature high pressure hot water circulation pump device |
| CN102865251A (en) * | 2012-09-10 | 2013-01-09 | 江苏大学 | Suspension body of hot water circulating pump provided with groove structure on inner wall surface |
| CN202756270U (en) * | 2012-08-30 | 2013-02-27 | 江苏永一泵业有限公司 | Hot water circulating pump suspension body with heat dissipation function |
| CN103573713A (en) * | 2013-02-22 | 2014-02-12 | 江苏大学 | High-temperature self-cooling hot water circulating pump |
| CN103644145A (en) * | 2013-12-04 | 2014-03-19 | 江苏大学 | Hot water circulating pump suspension body of coiler cooling structure |
| CN104632723A (en) * | 2015-02-27 | 2015-05-20 | 新疆大全新能源有限公司 | Mechanical seal flushing device, mechanical seal flushing system and mechanical seal flushing method |
| DE102014019609A1 (en) * | 2014-12-30 | 2016-06-30 | Nidec Gpm Gmbh | Coolant pump |
-
2016
- 2016-08-17 CN CN201610683422.2A patent/CN106122037B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09137795A (en) * | 1995-11-16 | 1997-05-27 | Mitsubishi Heavy Ind Ltd | Bearing device of pump |
| CN2690629Y (en) * | 2004-04-07 | 2005-04-06 | 李再成 | High temperature high pressure hot water circulation pump device |
| CN202756270U (en) * | 2012-08-30 | 2013-02-27 | 江苏永一泵业有限公司 | Hot water circulating pump suspension body with heat dissipation function |
| CN102865251A (en) * | 2012-09-10 | 2013-01-09 | 江苏大学 | Suspension body of hot water circulating pump provided with groove structure on inner wall surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167195A (en) * | 2017-12-27 | 2018-06-15 | 中国科学院上海应用物理研究所 | A kind of superelevation temperature molten salt shaft seal pump |
| CN108763682A (en) * | 2018-05-16 | 2018-11-06 | 衢州学院 | The hot optimization method and heat optimization device of machine tool chief axis based on Taguchi's method |
| CN108763682B (en) * | 2018-05-16 | 2022-08-05 | 衢州学院 | Thermal optimization method and thermal optimization device of machine tool spindle based on Taguchi method |
| CN114857094A (en) * | 2022-07-05 | 2022-08-05 | 福建佳润电机工业有限公司 | Explosion-proof water pump |
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| Publication number | Publication date |
|---|---|
| CN106122037B (en) | 2018-10-09 |
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