CN207513842U - A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band - Google Patents
A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band Download PDFInfo
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- CN207513842U CN207513842U CN201721618795.8U CN201721618795U CN207513842U CN 207513842 U CN207513842 U CN 207513842U CN 201721618795 U CN201721618795 U CN 201721618795U CN 207513842 U CN207513842 U CN 207513842U
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- impeller
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- ring device
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Abstract
The utility model discloses a kind of vertical multi-stage centrifugal pumps of the floating type impeller port ring device of band, including motor, link, seal receptacle, multi-stag impeller, pedestal and shaft, the link is set on the lower section of the motor, the seal receptacle is spherical shape, inside the lower end of the link, the multi-stag impeller is set on the lower section of the seal receptacle, the multi-stag impeller includes volute and impeller, the impeller is set in volute, the pedestal is set on the lower section of multi-stag impeller, the shaft upper end is by shaft coupling in connecting in link with the motor, the lower part of shaft is set in the multi-stag impeller, connect with impeller, floating type impeller port ring device is equipped at the impeller.The utility model has the characteristics of good reliability, the operation is stable, low noise, good seal performance, service life is long.
Description
Technical field
The utility model is related to pump equipment field, specifically a kind of floating type impeller port ring device of band it is vertical more
Grade centrifugal pump.
Background technology
With the accelerated development of current urbanization both at home and abroad, the raising of industrial automatization and the increasing of national economy
It is long, it is very big to the annual requirement of DL series vertical multi-stage centrifugal pumps in the market.The pump of the series is applied in following multiple fields：
1st, urban water supply：Water factory filters send water, supervisor's supercharging, skyscraper to be pressurized with conveying, water factory's subregion.
2nd, industry supercharging：Flow water system, cleaning system, high-pressure washing system, fire-fighting system.
3rd, industrial liquid conveys：Cooling and air-conditioning system, boiler feedwater and condenser system, lathe are mating, acid and alkaline
Medium conveys.
4th, water process：Ultrafiltration system, counter-infiltration system, Distallation systm, separator and swimming pool water treatment system.
5th, it irrigates：Field irrigation, sprinkling irrigation, trickle irrigation.
Some famous foreign brands of the pump have production at present, although external brand reliable in quality is stablized, price
Often expensive, domestic brand is that price is not especially high, but quality is not very secure.
Mainly there are following problems for existing vertical multi-stage centrifugal pump：
1st, the seal receptacle of ordinary water pump is all using dish-shaped design, and this structure axial dimension is small, spaces compact, in low pressure
In the case of, it is not had any problems, but in MODEL VERTICAL MULTISTAGE PUMP in water pump assembles use, since the highest lift of the water pump is reachable
The hydraulic pressure of 1MPa, the seal receptacle deformation of disk-shaped structure is serious, and wall thickness, which also can not infinitely thicken, can not meet requirement.
2nd, common impeller intake ring, is all fixed on the entrance of volute by the way of close-fitting, because to play anti-
The gap very little of the only effect of liquid reflux, choma and impeller, it is desirable that have a good assembly precision, but in multistage pump, there is more
Impeller and volute, it is impossible to which the gap of every impeller and volute is all well-proportioned, certainly will increase the gap of impeller and volute,
It can guarantee that impeller does not wipe leaf with volute, gap, which increases, acts on regard to unobvious the non-return of liquid, and the efficiency of water pump is just substantially reduced.
3rd, common motor seal wants axis to install stationary ring, the rotating ring for later and then gradually filling mechanical seal, after installing
Also mechanical seal is tried out, be unfavorable for producing in batches.
4th, the long axis of water pump has bounce in high speed rotation, and noise is greatly when leading to pump working and vibration is apparent.
Invention content
The purpose of this utility model is to provide a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band.
The utility model will solve existing vertical multi-stage centrifugal pump there are seal receptacles to be easily deformed, the working efficiency of water pump
Low, installation steps are cumbersome, noise and vibration problems during work.
The technical solution of the utility model is:A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band, including
Motor, link, seal receptacle, multi-stag impeller, pedestal and shaft, the link is set on the lower section of the motor, described
Seal receptacle for spherical shape, inside the lower end of the link, the multi-stag impeller be set on the seal receptacle lower section,
The multi-stag impeller includes volute and impeller, and the impeller is set in volute, and the pedestal is set on multi-stag impeller
Lower section, the shaft upper end in link with the motor by shaft coupling in connecting, and the lower part of shaft is set on described
In multi-stag impeller, connect with impeller, floating type impeller port ring device is equipped at the impeller.
Preferably, the seal receptacle is spherical in shape arches upward upwards, is equipped between the seal receptacle and the top of shaft whole
The mechanical seal of body formula.
Preferably, the floating type impeller port ring device includes floating choma and choma support device, the choma
Support device includes lower fixing piece, support platform and connector, lower to be connected between fixing piece and support platform by connector, institute
The choma support device stated is set on the outside of the impeller, and the lower fixing piece is fixed on the volute by way of spot welding
On, the support platform is placed on the outside of the impeller close to the impeller, the floating choma, and relocatable is placed in
In the support platform.
As it is further preferred that the gap between the floating choma and the impeller is 0.2-0.3mm.
As it is further preferred that the floating choma uses too fluorine dragon wear-resistant material.
As it is further preferred that be equipped with multistage volute in the multi-stag impeller, impeller is equipped in each volute,
Axle sleeve is equipped between the impeller and shaft, the impeller set on bottom is first order impeller, the back of the body of the first order impeller
Face is equipped with sliding bearing.
As still more preferably, the material for sliding bearing is silicon carbide, and the axle sleeve uses hard stainless steel.
The beneficial effects of the utility model are：1st, seal receptacle is designed to spherical structure, due to hydraulic pressure spherical surface respectively to
Pressure is uniform, deformation very little of the seal receptacle in water pump high pressure, and when pump work will not destroy the sealing of water pump；2nd, by impeller port ring
It is designed to floating type, the material of choma is using the too fluorine dragon of light wear-resistant, and the assembling of choma is not by the shadow of volute assembly precision
It rings, substantially increases the performance and working efficiency of water pump；3rd, using the mechanical seal of monoblock type, which can be in advance mounted in close
It seals on seat, shaft, impeller, volute first dress up one, as long as then shaft to be inserted into the endoporus of mechanical seal, are conducive to water
The modularized production of pump improves the production efficiency and assembly precision of water pump；4th, a sliding bearing is designed at first order impeller, is prevented
Only long axis is generated when high speed rotation and is perturbed, and pre- waterproof pump wipes leaf, is vibrated, the generation of noise, improves the working life of pump.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model.
Fig. 2 is the left view of the utility model.
Fig. 3 is the vertical view of the utility model.
Fig. 4 is the enlarged structure schematic diagram of the floating type impeller port ring device of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
As shown in the figure, the utility model includes motor 1, link 2, seal receptacle 3, multi-stag impeller, pedestal 9 and shaft
13, the link 2 is set on the lower section of the motor 1, and the seal receptacle 3 is spherical shape, set on the lower end of the link 2
Inside, the multi-stag impeller are set on the lower section of the seal receptacle 3, and the multi-stag impeller includes volute 4 and impeller 5,
The impeller 5 is set in volute 4, and the pedestal 9 is set on the lower section of multi-stag impeller, and 13 upper end of shaft passes through shaft coupling
Device 15 in link 2 with the motor 1 in connecting, and the lower part of shaft 13 is set in the multi-stag impeller, with 5 phase of impeller
It connects, floating type impeller port ring device is equipped at the impeller 5.Seal receptacle 3 is designed to spherical structure, since hydraulic pressure is in spherical surface
Respectively to pressure it is uniform, deformation very little of the seal receptacle 3 in water pump high pressure, when pump work, will not destroy the sealing of water pump.
In the present embodiment, the seal receptacle 3 is spherical in shape to arch upward upwards, the top of the seal receptacle 3 and shaft 13 it
Between be equipped with monoblock type mechanical seal 14.Using the mechanical seal 14 of monoblock type, which can be mounted in seal receptacle 3 in advance
On, shaft 13, impeller 5, volute 4 first dress up one, as long as then shaft 13 to be inserted into the endoporus of mechanical seal 14, favorably
In the modularized production of water pump, the production efficiency and assembly precision of water pump are improved.
In the present embodiment, the floating type impeller port ring device includes floating choma 6 and choma support device 12, described
Choma support device 12 include lower fixing piece 12-1, support platform 12-3 and connector 12-2, lower fixing piece 12-1 and support
It is connected between platform 12-3 by connector 12-2, the choma support device 12 is set on the outside of the impeller 5, under described
Fixing piece 12-1 is fixed on by way of spot welding on the volute 4, the support platform 12-3 close to the impeller 5,
The floating choma 6 is placed on the outside of the impeller 5, and relocatable is placed on the support platform 12-3.
In the present embodiment, the gap between the floating choma 6 and the impeller 5 is 0.2-0.3mm.
In the present embodiment, the floating choma 6 is using too fluorine dragon wear-resistant material.
Floating choma 6 is designed to floating type, the material of floating choma 6 is using the too fluorine dragon of light wear-resistant, floating mouth
The assembling of ring 6 is not influenced by 4 assembly precision of volute, and the gap of impeller 5 and floating choma 6 can also be made very small, and gap is only
Between having 0.2-0.3mm, and without wiping this phenomenon of leaf, the performance for greatly improving water pump, water pump are measured through practical set sample
Noise is lighter.
Multistage volute 4 is equipped in the present embodiment, in the multi-stag impeller 5, impeller 5, institute are equipped in each volute 4
It states and axle sleeve 11 is equipped between impeller 5 and shaft 13, the impeller 5 set on bottom is first order impeller, the first order impeller
The back side be equipped with sliding bearing 7.
In the present embodiment, 7 material of sliding bearing is silicon carbide, and the axle sleeve 11 uses hard stainless steel.
Design a sliding bearing 7 at first order impeller, material is silicon carbide to hard stainless steel, prevents long axis at a high speed
It generates and perturbs when rotation, pre- waterproof pump wipes leaf, vibrates, the generation of noise, improves the working life of pump.
Water pump overall structure drives for motor 1 above, and motor 1 carries fan coolling, is below water pump, intermediate shaft coupling 15
Connection.Water pump part is horizontal water inflow, and level water outlet, medium enters water pump from the water inlet 10 of water pump, by multi-stag impeller 5
Energy conversion, make medium have high pressure flowed out with certain flow from water outlet 8.
Claims (7)
1. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band, including motor, link, seal receptacle, multi-stag
Impeller, pedestal and shaft, it is characterised in that the link is set on the lower section of the motor, and the seal receptacle is spherical shape,
Inside the lower end of the link, the multi-stag impeller is set on the lower section of the seal receptacle, the multi-stag leaf
Wheel includes volute and impeller, and the impeller is set in volute, and the pedestal is set on the lower section of multi-stag impeller, the shaft
By shaft coupling in connecting in link with the motor, the lower part of shaft is set in the multi-stag impeller for upper end, with
Impeller connects, and floating type impeller port ring device is equipped at the impeller.
2. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 1, it is characterised in that
The seal receptacle is spherical in shape to arch upward upwards, and the mechanical seal of monoblock type is equipped between the seal receptacle and the top of shaft.
3. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 1, it is characterised in that
The floating type impeller port ring device includes floating choma and choma support device, and the choma support device includes lower solid
Determine part, support platform and connector, lower to be connected between fixing piece and support platform by connector, described choma support device
Set on the outside of the impeller, the lower fixing piece is fixed on by way of spot welding on the volute, the support platform
Close to the impeller, the floating choma is placed on the outside of the impeller, and relocatable is placed in the support platform
On.
4. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 3, it is characterised in that
Gap between the floating choma and the impeller is 0.2-0.3mm.
5. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 3, it is characterised in that
The floating choma is using too fluorine dragon wear-resistant material.
6. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 1, it is characterised in that
Multistage volute is equipped in the multi-stag impeller, impeller is equipped in each volute, axis is equipped between the impeller and shaft
Set, the impeller set on bottom are first order impeller, and the back side of the first order impeller is equipped with sliding bearing.
7. a kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band according to claim 6, it is characterised in that
The material for sliding bearing is silicon carbide, and the axle sleeve uses hard stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618795.8U CN207513842U (en) | 2017-11-28 | 2017-11-28 | A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721618795.8U CN207513842U (en) | 2017-11-28 | 2017-11-28 | A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207513842U true CN207513842U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721618795.8U Active CN207513842U (en) | 2017-11-28 | 2017-11-28 | A kind of vertical multi-stage centrifugal pump of the floating type impeller port ring device of band |
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| CN (1) | CN207513842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953158A (en) * | 2018-09-20 | 2018-12-07 | 浙江南元泵业有限公司 | Multi-outlet centrifugal pump |
| CN114294236A (en) * | 2022-01-21 | 2022-04-08 | 浙江南元泵业有限公司 | Variable-lift energy-saving vertical multistage centrifugal pump |
-
2017
- 2017-11-28 CN CN201721618795.8U patent/CN207513842U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953158A (en) * | 2018-09-20 | 2018-12-07 | 浙江南元泵业有限公司 | Multi-outlet centrifugal pump |
| CN108953158B (en) * | 2018-09-20 | 2024-07-12 | 南元泵业有限公司 | Multi-outlet centrifugal pump |
| CN114294236A (en) * | 2022-01-21 | 2022-04-08 | 浙江南元泵业有限公司 | Variable-lift energy-saving vertical multistage centrifugal pump |
| CN114294236B (en) * | 2022-01-21 | 2024-01-30 | 浙江南元泵业有限公司 | Variable-lift energy-saving vertical multistage centrifugal pump |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311800 188 Zhuji West Road, Zhuji Economic Development Zone, Shaoxing, Zhejiang Patentee after: Zhejiang fengball Kerry Pump Industry Co., Ltd. Address before: 311800 188 Zhuji West Road, Zhuji Economic Development Zone, Shaoxing, Zhejiang Patentee before: Zhejiang crith Fengqiu Pump Co. Ltd. |
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| CP01 | Change in the name or title of a patent holder |