CN102966560B - Two-stage centrifugal turbine pump - Google Patents
Two-stage centrifugal turbine pump Download PDFInfo
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- CN102966560B CN102966560B CN201210403266.1A CN201210403266A CN102966560B CN 102966560 B CN102966560 B CN 102966560B CN 201210403266 A CN201210403266 A CN 201210403266A CN 102966560 B CN102966560 B CN 102966560B
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- water
- pump
- bearing
- pump housing
- shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention provides a two-stage centrifugal turbine pump which comprises a pump body and a pump shaft, wherein the pump shaft is arranged in the pump body and can be rotatablely arranged on the pump body through a taper roller bearing and a guide bearing; the pump body comprises a water wheel cavity and a pump cavity, wherein the water wheel cavity is positioned above the pump cavity; the pump shaft is divided into a first end shaft and a second end shaft, wherein the first end shaft is positioned in the water wheel cavity, and the second end shaft is positioned in the pump cavity; the first end shaft is fixedly provided with two impellers in the same direction, a plurality of guide blades are arranged on the inner wall of the water wheel cavity, which corresponds to the impellers, and an axial line around the pump shaft is spirally and radially arranged; a first water inlet which is communicated with the water wheel cavity is formed above the pump body, and a first water outlet which is used for raising water is formed in the bottom of the water wheel cavity; the second end shaft is fixedly provided with a rotating wheel, a water guide seat is arranged on the pump body in a corresponding way corresponding to the rotating wheel, and the water guide seat is used for fixing the guide blades; and a second water inlet which is used for the water to flow into the pump cavity is formed in the pump body, and a second water outlet is formed in the bottom end of the pump body.
Description
Technical field
The present invention relates to water lift equipment, particularly relate to a kind of turbine pump, particularly two-stage centrifugal turbine pump.
Background technique
Turbine pump is a kind of water lift of environmental protection and energy saving, the water lift machine that it is made up of by certain way water turbine and water pump, the current with certain energy drive rotary wheel of water turbine to utilize abundant waterpower resourses to carry out water lift, and not power consumption, not oil consumption, turbine pump are as developing direction important in the middle of the agriculture of people, woods, animal husbandry production, domestic water.
Traditional turbine pump is generally that employing impeller carries out rotating thus drives current to raise up, the driving force of an impeller is limited, make the turbine pump lift of this structure limited, if need to reach higher lift, even if the rotating speed adding impeller is also of no avail, therefore, this structure turbine pump and be not suitable with present market.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of two-stage centrifugal turbine pump making full use of hydraulic power potentials, improve former station efficiency.
For solving the problem, a kind of technological scheme that the present invention adopts is: provide a kind of two-stage centrifugal turbine pump, comprise the pump housing and be arranged on the pump shaft in the pump housing, described pump shaft is arranged on the pump housing rotationally by tapered roller bearing and guide bearing; The described pump housing comprises water wheels chamber and pump chamber, and described water wheels chamber is positioned at the top of pump chamber, and pump shaft is divided into the first paragraph axle being positioned at water wheels chamber and the second segment axle being positioned at pump chamber; Described first paragraph axle is fixed two impellers in the same way, the inwall of the corresponding impeller in described water wheels chamber is provided with stator, and described stator is multiple, around the axis helically radial setting of pump shaft; The top of the described pump housing is provided with the first water intake communicated for water wheels chamber, and the bottom in described water wheels chamber is provided with and makes the first water outlet raised waterborne; Described second segment axle is fixed with runner, and on the described pump housing, corresponding runner is provided with water guide stand, and described water guide stand fixes described stator, and the described pump housing being provided with to supply water flows into the second water intake of pump chamber, and the bottom of the described pump housing is provided with the second water outlet.
Wherein, described runner has four rotating vanes, and described water guide stand fixes 16 described stators.
Wherein, described impeller offers groove, on described pump shaft, corresponding two impeller locations offer keyway, and it is fastened to each other that described impeller and pump shaft pass through flat key.
Wherein, described guide bearing comprises guide bearing skin and guide bearing nexine, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.
Wherein, described guide bearing nexine internal surface is provided with the groove of logical lubrication water.
Wherein, the top of the described pump housing is provided with bearing support, described tapered roller bearing is arranged in bearing support, and described pump shaft to stretch in bearing support and coordinates with tapered roller bearing, the standard oil sealing that the outlet end of described pump shaft and bearing support is provided with and prevents oil leak and water, silt invades.
Wherein, described first water intake is horn-like water intake, and the large mouth of horn-like water intake upward.
Wherein, the first water intake of the described pump housing is provided with the filter screen preventing pasture and water foreign material from entering.
The invention has the beneficial effects as follows: the present invention's two impellers are coaxially installed in the same way, the topmost part of the pump housing is water intake, the outlet of water outflow first order impeller enters the import of second level impeller by flow channel type guide blade, its outlet stream collects rear output by pump case, this structure makes the bigcatkin willow Cheng Guang eventually through the first water outlet, compact overall structure, easy to operate, reduce current loss, increase head ratio, improve utilization ratio, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-stage centrifugal turbine pump in an embodiment of the present invention.
Label declaration: the 1-pump housing; 11-water wheels chamber; 111-first water intake; 112-first water outlet; 12-pump chamber; 121-second water intake; 122-second water outlet; 13-water guide stand; 2-pump shaft; 31-first order impeller; 32-second level impeller; 4-stator; 5-runner; 6-guide bearing; 7-bearing support; 8-filter screen; 9-flat key; 10-tapered roller bearing; 100-oil sealing.
Embodiment
By describing technology contents of the present invention, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
Refer to Fig. 1, present embodiment provides a kind of two-stage centrifugal turbine pump, comprise the pump housing 1 and the rotating pump shaft 2 be arranged in the pump housing 1, the described pump housing 1 comprises water wheels chamber 11 and pump chamber 12, described water wheels chamber 11 is positioned at the top of pump chamber 12, and pump shaft 2 is divided into the first paragraph axle being positioned at water wheels chamber 11 and the second segment axle being positioned at pump chamber 12; Described first paragraph axle is fixed two impellers (first order impeller 31, second level impeller 32) in the same way, the inwall in the corresponding impeller in described water wheels chamber 11 (first order impeller 31) is provided with stator 4, described stator 4 is multiple, around axis helically radial setting; The top of the described pump housing 1 is provided with the first water intake 111 communicated for water wheels chamber 11, and the bottom in described water wheels chamber 11 is provided with and makes the first water outlet 112 raised waterborne; Described second segment axle is fixed with runner 5, on the described pump housing 1, corresponding runner 5 is provided with water guide stand 13, described water guide stand 13 fixes described stator 4, and the described pump housing 1 being provided with to supply water flows into the second water intake 121 of pump chamber 12, and the bottom of the described pump housing 1 is provided with the second water outlet 122.
In present embodiment, described pump shaft 2 is arranged on the pump housing 1 rotationally by tapered roller bearing 10 and 6, described impeller (first order impeller 31, second level impeller 32) with pump shaft 2, there is rotation positioning relation, i.e. described pump shaft 2 and impeller (first order impeller 31, second level impeller 32) synchronous axial system, concrete, described impeller (first order impeller 31, second level impeller 32) on offer groove, corresponding two impeller (first order impellers 31 on described pump shaft, second level impeller 32) position offers keyway, described impeller (first order impeller 31, second level impeller 32) fastened to each other by flat key 9 with pump shaft 2, key snaps in keyway and groove, and synchronous axial system.Certainly, this is one embodiment of the present invention, can adopt in other mode of executions, and the mode such as to coordinate of splined shaft and impeller (first order impeller 31, second level impeller 32) realizes.
In above-mentioned enforcement, described runner 5 has four rotating vanes, and described water guide stand 13 fixes 16 described stators 4.
In above-mentioned specific embodiment, described pump shaft 2 is rotating to be arranged on the pump housing 1, it can be realized by bearing, the bidirectional axial force of the on-stream generation of turbine pump is particularly born by tapered roller bearing 10, certainly, the present embodiment does not limit the type of bearing, also radial ball bearing etc. can be adopted to realize object of the present invention, on the other hand, guide bearing 6 is provided with on the bearing of runner 5, guide bearing 6 is directly contained in the bearing hole of water guide shell (water guide shell is the arcuate surface that the water entered the second water intake 121 leads in water pump chamber 12) of the pump housing 1, it is replaceable, concrete its adopts rubber manufacture, ensure that the adhesion on its surface.
Preferably, described guide bearing 6 comprises guide bearing skin and guide bearing nexine, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.Further, described guide bearing nexine internal surface is provided with the groove of logical lubrication water.
In the present embodiment, the top of the described pump housing 1 is provided with bearing support 7, the hole penetrated for pump shaft 2 is provided with in bearing support 7, hole is provided with the step of adaptive tapered roller bearing 10, its tail end fixes a bearing cap, described tapered roller bearing 10 is arranged in bearing support 7, and described pump shaft 2 to stretch in bearing support 7 and coordinates with tapered roller bearing 10.
In other examples, in order to the intrusion of the leakage and cement sand that prevent lubricant oil, at described pump shaft 2, the outlet end of bearing support 7 is provided with standard oil sealing 100.
In the present embodiment, described impeller (first order impeller 31, second level impeller 32) is equidistant to be side by side arranged on pump shaft 2, more evenly laborsaving when making it drive current to rotate again.
The present embodiment, described first water intake 111 is horn-like water intake, and upward, trumpet-shaped water intake can increase the flow velocity of inflow first water intake 111 to the large mouth of horn-like water intake, further increases the lift of the first water outlet 112.
In the present embodiment, the first water intake 111 of the described pump housing 1 is fixed with the filter screen 8 preventing pasture and water foreign material from entering, and ensure that water quality.
During operation, first the pump housing 1 is fixed on the place needing to move water, concrete, the hole that can be arranged by the bottom surface of the pump housing 1 more ordinatedly foot bolt fix, water is due to the effect of gravity afterwards, pass into blower inlet casing from second water-inlet cavity in water pump chamber 12 and flow to runner 5, the pump housing 1 of runner 5 correspondence is provided with water guide stand 13, water guide stand 13 is fix 16 stators 4 in the present embodiment, one helically reflects shape setting around pump shaft 2 axis is formed between stator 4, the water flowed into can impact runner 5 along certain orientation, accelerate the rotation of runner 5, water can be flowed out by the second water outlet 122 afterwards,
After pump shaft 2 rotates, impeller is rotated, impeller is divided into first order impeller 31, second level impeller 32 from top to bottom, water flows into from the first water intake 111, first order impeller 31 is entered by the stator 4 of flow channel type, first order impeller 31 starts to rotate, and water is delivered to the water intake of second level impeller 32 by the centrifugal force of generation, and finally flows out from the first water outlet 112 bottom water wheels chamber 11.In the present invention, the stator 4 of flow channel type designs, loss is down to minimum, high-speed liquid can be collected, kinetic energy is become pressure energy, the high-speed liquid flowed out by first order impeller 31 guides second level impeller 32 equably into, by the drive of both stage impellers (first order impeller 31, second level impeller 32), final outflow water lift is improved greatly.
The operating index of concrete two-stage centrifugal turbine pump is as shown in the table:
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a two-stage centrifugal turbine pump, is characterized in that, comprises the pump housing and is arranged on the pump shaft in the pump housing, and described pump shaft is arranged on the pump housing rotationally by tapered roller bearing and guide bearing; The described pump housing comprises water wheels chamber and pump chamber, and described water wheels chamber is positioned at the top of pump chamber, and pump shaft is divided into the first paragraph axle being positioned at water wheels chamber and the second segment axle being positioned at pump chamber;
Described first paragraph axle is fixed two impellers in the same way, the inwall of the corresponding impeller in described water wheels chamber is provided with stator, and described stator is multiple, around the axis helically radial setting of pump shaft;
The top of the described pump housing is provided with the first water intake communicated for water wheels chamber, and the bottom in described water wheels chamber is provided with and makes the first water outlet raised waterborne;
Described second segment axle is fixed with runner, and on the described pump housing, corresponding runner is provided with water guide stand, and described water guide stand fixes described stator, and the described pump housing being provided with to supply water flows into the second water intake of pump chamber, and the bottom of the described pump housing is provided with the second water outlet.
2. two-stage centrifugal turbine pump according to claim 1, is characterized in that, described runner has four rotating vanes, and described water guide stand fixes 16 described stators.
3. two-stage centrifugal turbine pump according to claim 1 and 2, is characterized in that, described impeller offers groove, and on described pump shaft, corresponding two impeller locations offer keyway, and it is fastened to each other that described impeller and pump shaft pass through flat key.
4. two-stage centrifugal turbine pump according to claim 1, is characterized in that, described guide bearing comprises guide bearing skin and guide bearing nexine, and the outer field material of described guide bearing is cast iron, and the material of described guide bearing nexine is abrasive rubber.
5. two-stage centrifugal turbine pump according to claim 4, is characterized in that, described guide bearing nexine internal surface is provided with the groove of logical lubrication water.
6. two-stage centrifugal turbine pump according to claim 1, it is characterized in that, the top of the described pump housing is provided with bearing support, described tapered roller bearing is arranged in bearing support, described pump shaft to stretch in bearing support and coordinates with tapered roller bearing, the standard oil sealing that the outlet end of described pump shaft and bearing support is provided with and prevents oil leak and water, silt invades.
7. two-stage centrifugal turbine pump according to claim 1, is characterized in that, described first water intake is horn-like water intake, and the large mouth of horn-like water intake upward.
8. two-stage centrifugal turbine pump according to claim 7, is characterized in that, the first water intake of the described pump housing is provided with the filter screen preventing pasture and water foreign material from entering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403266.1A CN102966560B (en) | 2012-10-19 | 2012-10-19 | Two-stage centrifugal turbine pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403266.1A CN102966560B (en) | 2012-10-19 | 2012-10-19 | Two-stage centrifugal turbine pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966560A CN102966560A (en) | 2013-03-13 |
| CN102966560B true CN102966560B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210403266.1A Active CN102966560B (en) | 2012-10-19 | 2012-10-19 | Two-stage centrifugal turbine pump |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948495A (en) * | 2015-07-07 | 2015-09-30 | 蓝深集团股份有限公司 | Diving shaft mixed flow pump with sliding bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067294A (en) * | 1992-01-08 | 1992-12-23 | 福建省水轮泵研究所 | The turbine pump generator set |
| CN2856511Y (en) * | 2005-10-28 | 2007-01-10 | 上海连成（集团）有限公司 | Improved bearing parts of small padding sealed multi-stage centrifugal oil pump |
| CN202867234U (en) * | 2012-10-19 | 2013-04-10 | 福建省尤溪长波水力机械有限公司 | Double-stage centrifuging water-turbine pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005030424A1 (en) * | 2005-06-30 | 2007-01-04 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Arrangement and method for arranging a pump bearing in / on coolant pump housings made of plastic |
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2012
- 2012-10-19 CN CN201210403266.1A patent/CN102966560B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067294A (en) * | 1992-01-08 | 1992-12-23 | 福建省水轮泵研究所 | The turbine pump generator set |
| CN2856511Y (en) * | 2005-10-28 | 2007-01-10 | 上海连成（集团）有限公司 | Improved bearing parts of small padding sealed multi-stage centrifugal oil pump |
| CN202867234U (en) * | 2012-10-19 | 2013-04-10 | 福建省尤溪长波水力机械有限公司 | Double-stage centrifuging water-turbine pump |
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| CN102966560A (en) | 2013-03-13 |
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