CN206943014U - A kind of barrel pocket type extraction pump structure - Google Patents
A kind of barrel pocket type extraction pump structure Download PDFInfo
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- CN206943014U CN206943014U CN201720467468.0U CN201720467468U CN206943014U CN 206943014 U CN206943014 U CN 206943014U CN 201720467468 U CN201720467468 U CN 201720467468U CN 206943014 U CN206943014 U CN 206943014U
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- Prior art keywords
- pocket type
- type extraction
- pump structure
- water outlet
- extraction pump
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Abstract
A kind of barrel pocket type extraction pump structure of the utility model, barrel pocket type extraction pump structure include outer cylinder body, water outlet housing, joint member, thrust bearing part, spatial guide blade, stage casing, pump shaft and power transmission shaft；The side wall middle and upper part of outer cylinder body is provided with suction inlet, and water outlet housing is fixed on outer cylinder body；Water outlet housing is provided with motor cabinet, and joint member and thrust bearing part are located inside motor cabinet；Stator component bottom in outer cylinder body is provided with suction bell pipe；First stage impeller is set between suction bell pipe and spatial guide blade；Secondary impeller and radial vane are provided between spatial guide blade and stage casing；Adapter is provided between stage casing and water outlet housing；First stage impeller and secondary impeller are enclosed on pump shaft；Connected between pump shaft and power transmission shaft using coupling assembly.The utility model condensate pump structure is safe and reliable, and net positive suction head is small, and lift is high, can meet a variety of unit duty parameter requirements.
Description
Technical field
Condensate pump field is the utility model is related to, more particularly to a kind of barrel pocket type extraction pump structure.
Background technology
Condensate pump is used mainly for thermal power plant conveying condensed water, by condenser hotwell under conditions of high vacuum
In condensate extract out, the water for conveying the saturation temperature close under condenser pressure enters oxygen-eliminating device, is the important water in power plant
One of pump.
At present in industry, mainly small unit condensate pump, small steam turbine condensate pump, condensate pump fore pump, electricity is provided for oneself
The power plant condensation water pump of factory's condensate pump either new energy class, usually requires that the flow of condensate in 100-200m3/h, or
Less than 100m3/ h, the excursion of the lift of different units are very big.Such as the small steam turbine condensate pump of large-sized unit；Its condensate
Flow is in 100m3/ h or so, but require that water outlet is incorporated to main condensate and pumps out the total main pipe of water, so generally lift demand is left in 300m
The right side, i.e. flow are small, and lift is high；And some condensate pump flows are in 100m3/ h or so, lift only have 60m or so, i.e. flow is small,
Lift is low；That is in the case where flow is more or less the same, the lift excursion of different unit pumps is larger；And conventional small machine
The condensate pump single-stage lift of group spatial guide blade form only has more than ten meters, can only typically accomplish 10 grades or so, also just say total (pumping) head
Less than 200m, it is difficult to meet the parameter request of a variety of units.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of satisfaction will from low lift to high-lift different operating modes
The barrel pocket type extraction pump structure asked.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
A kind of barrel pocket type extraction pump structure, barrel pocket type extraction pump structure include outer cylinder body, water outlet housing, shaft coupling portion
Part, thrust bearing part, spatial guide blade, stage casing, pump shaft and power transmission shaft；The side wall middle and upper part of outer cylinder body is provided with suction inlet, goes out
Water hull body is fixed on outer cylinder body；Water outlet housing is provided with motor cabinet, and joint member and thrust bearing part are located at motor cabinet
It is internal；Stator component bottom in outer cylinder body is provided with suction bell pipe；Chopped-off head leaf is set between suction bell pipe and spatial guide blade
Wheel；Secondary impeller and radial vane are provided between spatial guide blade and stage casing；Adapter is provided between stage casing and water outlet housing；Chopped-off head leaf
Wheel and secondary impeller are enclosed on pump shaft；Connected between pump shaft and power transmission shaft using coupling assembly.
In one embodiment of the present utility model, spatial guide blade is fixed on the front pressuring plate in stage casing.
In one embodiment of the present utility model, adapter is connected by bolt with the rear fender of water outlet housing and stage casing.
In one embodiment of the present utility model, secondary impeller uses balanced hole structure balancing axial thrust.
In one embodiment of the present utility model, coupling assembly is made up of box coupling and snap ring.
In one embodiment of the present utility model, guide bearing is provided with spatial guide blade.
In one embodiment of the present utility model, pump shaft and adapter between connected by the support of bearing, the support of bearing with
Guide bearing is provided between pump shaft.
In one embodiment of the present utility model, thrust bearing part is by a self-aligning thrust roller bearing and a deep-groove ball
Bearing collectively constitutes.
In one embodiment of the present utility model, one end that power transmission shaft stretches out water outlet housing is provided with mechanical seal.
Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：
The utility model is simple in construction, solves under the small parameter of small unit flow, and lift coverage is not wide enough to ask
Topic, meets from low lift to high-lift different working condition requirements, and ensure relatively low net positive suction head.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model first stage impeller and spatial guide blade structure enlargement diagram；
Fig. 3 is the utility model secondary impeller, radial vane and middle section structure enlarged diagram；
Corresponding component title of the numeral represented by with letter in figure：
10th, outer cylinder body 11, suction inlet 12, suction bell pipe 20, water outlet housing 30, joint member 40, thrust axis
Bearing portion part 50, spatial guide blade 60, stage casing 61, front pressuring plate 62, rear fender 70, pump shaft 80, power transmission shaft 90, motor cabinet
100th, first stage impeller 110, secondary impeller 120, radial vane 130, adapter 140, coupling assembly 141, box coupling
142nd, snap ring 150, guide bearing 160, the support of bearing.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to shown in Fig. 1 to Fig. 3, the utility model discloses a kind of barrel pocket type extraction pump structure, tubular-bag tyep condensate
Pump configuration include outer cylinder body 10, water outlet housing 20, joint member 30, thrust bearing part 40, spatial guide blade 50, stage casing 60,
Pump shaft 70 and power transmission shaft 80.
The side wall middle and upper part of outer cylinder body 10 is provided with suction inlet 11, and water outlet housing 20 is fixed on outer cylinder body 10；Water outlet housing
20 are provided with motor cabinet 90, and joint member 30 and thrust bearing part 40 are located inside motor cabinet 90；Determine in outer cylinder body 10
Subassembly bottom is provided with suction bell pipe 12；First stage impeller 100, chopped-off head leaf are set between suction bell pipe 12 and spatial guide blade 50
Take turns that 100 net positive suction heads are relatively low, and cavitation performance is preferable；Secondary impeller 110 and radial guiding are provided between spatial guide blade 50 and stage casing 60
Leaf 120, the single-stage lift of secondary impeller 110 is higher, usually 30m or so, even more high；Radial vane 120 and stage casing 60 are cast
Difficulty is relatively small, and sand removal is more convenient；Adapter 130 is provided between stage casing 60 and water outlet housing 20；First stage impeller 100 and secondary
Impeller 110 is enclosed on pump shaft 70；Connected between pump shaft 70 and power transmission shaft 80 using coupling assembly 140.
Spatial guide blade 50 is fixed on the front pressuring plate 61 in stage casing 60；Adapter 130 passes through bolt and water outlet housing 20 and stage casing
60 rear fender 62 connects；Secondary impeller 110 uses balanced hole structure balancing axial thrust；Coupling assembly 140 is by sleeve shaft coupling
Device 141 and snap ring 142 form；Guide bearing 150 is provided with spatial guide blade 50；Pass through the support of bearing between pump shaft 70 and adapter 130
160 connections, are provided with guide bearing 150 between the support of bearing 160 and pump shaft 70；Thrust bearing part 40 is by a thrust force aligning Roller Shaft
Hold and collectively constituted with a deep groove ball bearing；One end that power transmission shaft 80 stretches out water outlet housing 20 is provided with mechanical seal.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. a kind of barrel pocket type extraction pump structure, it is characterised in that barrel pocket type extraction pump structure includes outer cylinder body, goes out water hull
Body, joint member, thrust bearing part, spatial guide blade, stage casing, pump shaft and power transmission shaft；The side wall middle and upper part of outer cylinder body is set
There is suction inlet, water outlet housing is fixed on outer cylinder body；Water outlet housing is provided with motor cabinet, joint member and thrust bearing part
Inside motor cabinet；Stator component bottom in outer cylinder body is provided with suction bell pipe；Suction bell pipe and spatial guide blade it
Between set first stage impeller；Secondary impeller and radial vane are provided between spatial guide blade and stage casing；It is provided between stage casing and water outlet housing
Adapter；First stage impeller and secondary impeller are enclosed on pump shaft；Connected between pump shaft and power transmission shaft using coupling assembly.
2. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that spatial guide blade is fixed on stage casing
Front pressuring plate on.
3. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that adapter passes through bolt and water outlet
Housing and the connection of the rear fender in stage casing.
4. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that secondary impeller uses balance pipe
Constitutional balance axial force.
5. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that coupling assembly is joined by sleeve
Axle device and snap ring composition.
6. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that be provided with guide shaft in spatial guide blade
Hold.
7. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that pass through between pump shaft and adapter
The support of bearing is connected, and guide bearing is provided between the support of bearing and pump shaft.
8. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that thrust bearing part is pushed away by one
Power self-aligning roller bearing and a deep groove ball bearing collectively constitute.
9. a kind of barrel pocket type extraction pump structure according to claim 1, it is characterised in that power transmission shaft stretches out water outlet housing
One end be provided with mechanical seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467468.0U CN206943014U (en) | 2017-04-28 | 2017-04-28 | A kind of barrel pocket type extraction pump structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720467468.0U CN206943014U (en) | 2017-04-28 | 2017-04-28 | A kind of barrel pocket type extraction pump structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206943014U true CN206943014U (en) | 2018-01-30 |
Family
ID=61358848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720467468.0U Expired - Fee Related CN206943014U (en) | 2017-04-28 | 2017-04-28 | A kind of barrel pocket type extraction pump structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206943014U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664702A (en) * | 2018-04-10 | 2018-10-16 | 中国计量大学 | The method for promoting multistage centrifugal condensate pump design point lift |
| CN109973398A (en) * | 2019-03-21 | 2019-07-05 | 陕西科技大学 | A kind of combined type condensate pump |
| CN110043471A (en) * | 2019-05-23 | 2019-07-23 | 湖南机电职业技术学院 | Vertical sectional type long-shaft pump |
| CN116624435A (en) * | 2023-04-18 | 2023-08-22 | 烟台龙港泵业股份有限公司 | Back flushing central liquid outlet submerged pump and vertical cylinder bag pump |
-
2017
- 2017-04-28 CN CN201720467468.0U patent/CN206943014U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664702A (en) * | 2018-04-10 | 2018-10-16 | 中国计量大学 | The method for promoting multistage centrifugal condensate pump design point lift |
| CN108664702B (en) * | 2018-04-10 | 2022-07-05 | 中国计量大学 | Method for increasing design point lift of multi-stage centrifugal condensate pump |
| CN109973398A (en) * | 2019-03-21 | 2019-07-05 | 陕西科技大学 | A kind of combined type condensate pump |
| CN110043471A (en) * | 2019-05-23 | 2019-07-23 | 湖南机电职业技术学院 | Vertical sectional type long-shaft pump |
| CN116624435A (en) * | 2023-04-18 | 2023-08-22 | 烟台龙港泵业股份有限公司 | Back flushing central liquid outlet submerged pump and vertical cylinder bag pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20180428 |