CN207145256U - A kind of new and effective stove water pump - Google Patents
A kind of new and effective stove water pump Download PDFInfo
- Publication number
- CN207145256U CN207145256U CN201720889761.6U CN201720889761U CN207145256U CN 207145256 U CN207145256 U CN 207145256U CN 201720889761 U CN201720889761 U CN 201720889761U CN 207145256 U CN207145256 U CN 207145256U
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- China
- Prior art keywords
- impeller
- pump housing
- motor cavity
- new
- water pump
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Abstract
The utility model discloses a kind of new and effective stove water pump, and it includes public pressure vessel, and the interior lumen of public pressure vessel is divided into the motor cavity for accommodating motor stator and rotor and the pump housing for accommodating impeller, and the main shaft for forming rotor is extended in pump housing and is connected with impeller；Lower end in pump housing positioned at impeller is provided with a heat-insulated back-up ring, and a ceramic layer is laid with the inwall of pump housing；Several recesses are provided with the outer surface of impeller, a wearing layer is coated with the outer surface of impeller；A labyrinth is provided with positioned at the lower end of impeller in pump housing, the first filter house is provided with below labyrinth in pump housing；An annular restraining portion for being used to slow down heat transfer is provided with public pressure vessel between motor cavity and pump housing, the upper and lower side of motor cavity is provided with the bearing of journals for fixed main shaft, the side wall of motor cavity is communicated with an auxiliary cooling device, the bottom of motor cavity is provided with is provided with a pod apertures for obstructing impurity into the second filter house in motor cavity, the second filter house.
Description
Technical field
The utility model is specifically related to a kind of new and effective stove water pump.
Background technology
Stove water pump be mainly recovery boiler initial start stage discharge hot water, steam water interface, saturated vapor and the degree of superheat not
The superheated steam of foot, plays circulation, to realize the recovery of working medium and heat between economizer and water-cooling wall；At present, prior art
In stove water pump structure is simple, the problem of operating efficiency and service efficiency are low.
Utility model content
The purpose of this utility model is to provide a kind of structure novelty, the new height with compared with high workload efficiency and service efficiency
Imitate stove water pump.
In order to solve the above technical problems, the utility model provides a kind of new and effective stove water pump, it includes public pressure vessel, public
The interior lumen of pressure vessel is divided into the motor cavity for accommodating motor stator and rotor and the pump housing for accommodating impeller, forms rotor
Main shaft is extended in pump housing and is connected with impeller；Lower end in pump housing positioned at impeller is provided with a heat-insulated back-up ring, pump housing
A ceramic layer is laid with inwall；Several recesses are provided with the outer surface of impeller, it is resistance to be coated with one on the outer surface of impeller
Grind layer；
A labyrinth is provided with positioned at the lower end of impeller in pump housing, the first filtering is provided with below labyrinth in pump housing
Portion；An annular restraining portion for being used to slow down heat transfer, motor cavity are provided with public pressure vessel between motor cavity and pump housing
Upper and lower side be provided with the bearing of journals for fixed main shaft, the side wall of motor cavity is communicated with an auxiliary cooling device, motor
The bottom of chamber is provided with is provided with a pod apertures for obstructing impurity into the second filter house in motor cavity, the second filter house.
Further, a wear ring is fixed with by screw on the end face of impeller intake.
Further, the section of wear ring is L-shaped, and at least three are provided with the horizontal plane of wear ring and is used to fix spiral shell
The counterbore of nail.
Further, impeller is unshrouded impeller, and reinforcement is provided between the two neighboring blade on impeller.
Further, thrust disc auxiliary impeller is provided with the main shaft in motor cavity, thrust disc aids in the upper of impeller
End face diameter is more than lower surface diameter.
The beneficial effects of the utility model are：The new and effective stove water pump structure is novel, and heat-insulated back-up ring is provided for subtracting
Few interior lower section for being located at impeller of pump housing caused hot-fluid due to convection current and heat transfer, avoids its operating to impeller from causing shadow
Ring, and improve the service life of impeller；The setting of ceramic layer improves the overall high-wear resistance of pump housing inwall, wearing layer
Setting reduce the erosion of impeller suffered water in use, add the wearability of impeller；The setting of recess, makes
The plating for obtaining wearing layer sets more firm stable, and then improves the operating efficiency of stove water pump；Limited in the presence of labyrinth
Deposit enters the phenomenon of motor cavity, when trace impurity is by labyrinth, can be filtered again by filter house；In matching somebody with somebody for labyrinth and filter house
Under cooperation is used, the phenomenon that impurity enters motor cavity effectively prevent；The device of auxiliary cooling device is used to maintain in motor cavity
Low temperature, current after cooling are filtered before entering in motor cavity through the second filter house, effectively further prevent impurity
Into the situation in motor cavity, it is ensured that the good environment in motor cavity, improve the service efficiency of stove water pump.
Brief description of the drawings
Fig. 1 is the structural representation of new and effective stove water pump.
Wherein：1st, motor cavity；2nd, pump housing；3rd, main shaft；4th, impeller；5th, heat-insulated back-up ring；6th, ceramic layer；7th, recess；8th, it is resistance to
Grind layer；9th, labyrinth；10th, the first filter house；11st, annular restraining portion；12nd, the bearing of journals；13rd, auxiliary cooling device；14th, the second mistake
Filter portion.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is only a kind of embodiment of the utility model, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the utility model.
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows
The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real
Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to
One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
According to one embodiment of the application, there is provided a kind of new and effective stove water pump, as shown in figure 1, the new and effective stove
Water pump includes public pressure vessel, and the interior lumen of public pressure vessel is divided into the motor cavity 1 for accommodating motor stator and rotor and accommodates impeller 4
Pump housing 2, the main shaft 3 for forming rotor are extended in pump housing 2 and are connected with impeller 4；Positioned at impeller 4 in pump housing 2
Lower end is provided with a heat-insulated back-up ring 5, and a ceramic layer 6 is laid with the inwall of pump housing 2；It is provided with the outer surface of impeller 4 some
Individual recess 7, a wearing layer 8 is coated with the outer surface of impeller 4.
In specific implementation, heat-insulated back-up ring 5 is provided for reducing in pump housing 2 positioned at the lower section of impeller 4 due to convection current
With heat transfer and caused hot-fluid, its operating to impeller 4 is avoided to impact, and from improving the service life of impeller 4；Ceramics
The setting of layer 6 improves the overall high-wear resistance of the inwall of pump housing 2, and the setting of wearing layer 8 reduces impeller 4 using process
In suffered water erosion, add the wearability of impeller 4；The setting of recess 7 so that the plating of wearing layer 8 sets more firm
Gu it is stable, and then improve the operating efficiency of stove water pump.
Be provided with a labyrinth 9 positioned at the lower end of impeller 4 in pump housing 2, the lower section that labyrinth 9 is located in pump housing 2 is provided with the
One filter house 10；An annular limitation for being used to slow down heat transfer is provided with public pressure vessel between motor cavity 1 and pump housing 2
Portion 11, the upper and lower side of motor cavity 1 are provided with the bearing of journals 12 for fixed main shaft 3, and it is cold that the side wall of motor cavity 1 is communicated with one
But servicing unit 13, the bottom of motor cavity 1 are provided with for obstructing impurity into the second filter house 14 in motor cavity 1, and second
Filter house 14 is provided with a pod apertures.
In specific implementation, the phenomenon that deposit enters motor cavity 1, trace impurity warp are limited in the presence of labyrinth 9
When crossing labyrinth 9, it can be filtered again by filter house；Under the mating reaction of labyrinth 9 and filter house, it effectively prevent impurity and enter electricity
The phenomenon of machine cavity 1；The device of auxiliary cooling device 13 is used to maintain the low temperature in motor cavity 1, and current after cooling enter electricity
Filtered before in machine cavity 1 through the second filter house 14, the situation for effectively further preventing impurity from entering in motor cavity 1, it is ensured that
Good environment in motor cavity 1, improve the service efficiency of stove water pump.
According to one embodiment of the application, a wear ring is fixed with by screw on the end face of the water inlet of impeller 4, to leaf
Protected the end face for taking turns 4 water inlets.
According to one embodiment of the application, the section of wear ring is L-shaped, is provided with least on the horizontal plane of wear ring
Three counterbores for being used for fixing screws；In specific implementation, wear ring can be fixed by screws in the end face of the water inlet of impeller 4
On, impeller 4 can be protected, the end face of impurity erosion impeller 4 is prevented and produces concentrated wear, make the premature failure of impeller 4；And wear ring
After abrasion, the normal operation of impeller 4 can be maintained by changing wear ring, frequently replacing impeller 4 is avoided, extends impeller
4 service life.
According to one embodiment of the application, impeller 4 is unshrouded impeller 4, is set between the two neighboring blade on impeller 4
There is reinforcement, for improving the bonding strength between two neighboring blade.
According to one embodiment of the application, thrust disc auxiliary impeller 4 is provided with the main shaft 3 in motor cavity 1, is pushed away
The upper surface diameter of power disk auxiliary impeller 4 is more than lower surface diameter.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will make it will be apparent that defined herein for those skilled in the art
General Principle can be realized in other embodiments in the case where not departing from the spirit or scope of utility model.Therefore, originally
Utility model will not be limited and the embodiments shown herein, and is to fit to and principles disclosed herein and novelty
The property consistent most wide scope of feature.
Claims (5)
- A kind of 1. new and effective stove water pump, it is characterised in that：Including public pressure vessel, the interior lumen of the public pressure vessel is divided into appearance Receive motor stator and rotor motor cavity and accommodate the pump housing of impeller, form rotor main shaft extend in pump housing and with Impeller connects；Lower end in the pump housing positioned at the impeller is provided with a heat-insulated back-up ring, is laid on the inwall of the pump housing There is a ceramic layer；Several recesses are provided with the outer surface of the impeller, it is wear-resisting to be coated with one on the outer surface of the impeller Layer；A labyrinth is provided with positioned at the lower end of the impeller in the pump housing, is set in the pump housing below the labyrinth It is equipped with the first filter house；One is provided with the public pressure vessel between the motor cavity and pump housing to be used to slow down heat transfer Annular restraining portion, the upper and lower side of the motor cavity is provided with the bearing of journals for fixed main shaft, the side of the motor cavity Wall is communicated with an auxiliary cooling device, and the bottom of the motor cavity is provided with for obstructing impurity into the second mistake in motor cavity Filter portion, second filter house are provided with a pod apertures.
- 2. new and effective stove water pump according to claim 1, it is characterised in that：Pass through on the end face of the impeller intake Screw is fixed with a wear ring.
- 3. new and effective stove water pump according to claim 1, it is characterised in that：The section of the wear ring is L-shaped, institute State and at least three counterbores for being used for fixing screws are provided with the horizontal plane of wear ring.
- 4. new and effective stove water pump according to claim 1, it is characterised in that：The impeller is unshrouded impeller, the leaf Reinforcement is provided between two neighboring blade on wheel.
- 5. new and effective stove water pump according to claim 1, it is characterised in that：The main shaft in the motor cavity On be provided with thrust disc auxiliary impeller, the upper surface diameter of thrust disc auxiliary impeller is more than lower surface diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889761.6U CN207145256U (en) | 2017-07-21 | 2017-07-21 | A kind of new and effective stove water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720889761.6U CN207145256U (en) | 2017-07-21 | 2017-07-21 | A kind of new and effective stove water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145256U true CN207145256U (en) | 2018-03-27 |
Family
ID=61676301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720889761.6U Expired - Fee Related CN207145256U (en) | 2017-07-21 | 2017-07-21 | A kind of new and effective stove water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145256U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456963A (en) * | 2019-12-21 | 2020-07-28 | 合肥皖化电机技术开发有限责任公司 | Design method of furnace water pump blade |
| CN112360780A (en) * | 2020-11-10 | 2021-02-12 | 珠海创烨科技有限公司 | Ceramic vacuum pump |
| CN113417848A (en) * | 2021-07-01 | 2021-09-21 | 哈尔滨电气动力装备有限公司 | Heat shield with ceramic fiber structure |
-
2017
- 2017-07-21 CN CN201720889761.6U patent/CN207145256U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456963A (en) * | 2019-12-21 | 2020-07-28 | 合肥皖化电机技术开发有限责任公司 | Design method of furnace water pump blade |
| CN112360780A (en) * | 2020-11-10 | 2021-02-12 | 珠海创烨科技有限公司 | Ceramic vacuum pump |
| CN113417848A (en) * | 2021-07-01 | 2021-09-21 | 哈尔滨电气动力装备有限公司 | Heat shield with ceramic fiber structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20180721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |