CN206368820U - A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure - Google Patents
A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure Download PDFInfo
- Publication number
- CN206368820U CN206368820U CN201621360750.0U CN201621360750U CN206368820U CN 206368820 U CN206368820 U CN 206368820U CN 201621360750 U CN201621360750 U CN 201621360750U CN 206368820 U CN206368820 U CN 206368820U
- Authority
- CN
- China
- Prior art keywords
- pump
- runner
- impeller
- axle
- centrifugal pump
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure, it is related to a kind of centrifugal pump, the centrifugal pump includes rotor part, stator component, supporting member, pressure relief device, the rotor part includes axle sleeve between impeller, axle, impeller nut, level, and impeller is fixedly installed on axle by axle sleeve between impeller nut, level；Stator component includes the pump housing, pump cover, and the two is sealed by wound gasket, and is fixed together with stud；Wherein, the transition runner between pump housing two-stage is designed to spatial warping runner.The utility model impeller uses first-stage double-absorption, and pump housing runner successfully takes the diversion mode of spatial warping, reduces the cavitation of pump, reduces impact of the fluid to outer wall, reduces vibration, improves efficiency and the service life of pump.
Description
Technical field
The utility model is related to a kind of centrifugal pump, horizontal the two of more particularly to a kind of carrying space distortion runner transition structure
Level centrifugal pump.
Background technology
Existing horizontal two-stage (two-speed) pump spues into two grades of suction passages from one-level and typically has a direction close to right angle
, even if having done very big round-corner transition to reduce the influence produced by the mutation of direction, also still there is no small impulsive force in change,
Pump is caused to produce larger vibration in operation process, hydraulic loss efficiency reduction, prolonged impact reduces the use longevity of pump
Life etc..
The content of the invention
The purpose of this utility model is to provide a kind of horizontal two-stage centrifugal pump of carrying space distortion runner transition structure, sheet
Utility model impeller uses first-stage double-absorption, and pump housing runner successfully takes the diversion mode of spatial warping, reduces the cavitation of pump, subtracts
Few impact of the fluid to outer wall, reduces vibration, improves efficiency and the service life of pump.
The purpose of this utility model is achieved through the following technical solutions：
A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure, and the centrifugal pump includes rotor part, determined
Subassembly, supporting member, pressure relief device, the rotor part include axle sleeve between impeller, axle, impeller nut, level, and impeller passes through
Axle sleeve is fixedly installed on axle between impeller nut, level；Stator component includes the pump housing, pump cover, and the two is sealed by wound gasket, and
It is fixed together with stud；Wherein, the transition runner between pump housing two-stage is designed to spatial warping runner.
A kind of described carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure, and the supporting member is included radially
Bearing body part and thrust bearing body component, parts of bearings are fixedly connected on pump cover by bracket.
A kind of described carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure, and the pressure relief device is by discharge end
Pump cover draw pipeline and be connected to pump end suction inlet composition.
Advantage of the present utility model is with effect：
The utility model impeller uses first-stage double-absorption, and pump housing runner successfully takes the diversion mode of spatial warping, reduction
The cavitation of pump, reduces impact of the fluid to outer wall, reduces vibration, improves efficiency and the service life of pump.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional drawing of the utility model spatial warping runner；
Fig. 3 is the expanded view of the sectional drawing of the utility model spatial warping runner；
Fig. 4 is rotor part assembling figure of the present utility model；
Fig. 5 is parts of bearings assembling figure of the present utility model；
Fig. 6 is stator of the present utility model, parts of bearings assembling figure.
Embodiment
The utility model is described in detail illustrated embodiment below in conjunction with the accompanying drawings.
As shown in the figure：
Fig. 1 is structural representation of the present utility model.Part in Fig. 1：It is 1 axle, 2 journal bearing body components, 3 brackets, 4 close
Envelope, 5 studs, 6 nuts, 7 suction pump covers, 8 wound gaskets, 9 pump housings, 10 first-stage double suction impellers, 11 secondary impellers, 12 relief tubes, 13
Discharge pump cover, 14 wound gaskets, 15 thrust bearing body components.Fig. 1 is the structure for the horizontal two-stage centrifugal pump that carrying space distorts runner
Figure, its core component is rotor part, stator component, supporting member.First-stage double suction impeller 10, secondary impeller 11, axle 1 are rotors
The important composition of part；The pump housing 9, suction pump cover 7, discharge pump cover 13, bracket 3 are the important compositions of stator component；Relief tube 12
Pump cover high pressure chest is connected with suction chamber, releasing makes high-pressure side seal cavity pressure close to entrance pressure after pressure.Supporting member bag
Journal bearing body component 2 and thrust bearing body component 15 are included, the rotatable parts rotation of the bearing supporting pump of this two group parts.Radially
Bearing bears radial load, and thrust bearing bears radial and axial load.Bracket 3 is the supporting mass of parts of bearings 2 and 15, bracket
It is fixedly installed in by connector on pump cover.First stage impeller 10 is through on axle 1, is integrally put into the pump housing 9, and secondary impeller 11 is same
It is put into the pump housing 9, is inserted together with pump cover after wound gasket 8,14 is installed in suction pump cover 7, the groove of discharge pump cover 13 through axle 1
Enter in the pump housing 9, then tightened with stud 5, nut 6.Sealing 4, bracket 3 are installed on the corresponding position of pump cover 7,13 through axle 1
Put, tightened with stud nut.Journal bearing body 2, thrust bearing body 15 are through on axle 1 with bolt and nut in conjunction to bracket 3.Let out
One end of pressure pipe 12 is welded on the pump housing 9, and the other end is welded on discharge pump cover 13.
Fig. 2 is the sectional drawing of the utility model spatial warping runner.Fig. 3 is the section of the utility model spatial warping runner
The expanded view of figure.
Fig. 4 is rotor part assembling figure of the present utility model；Part in Fig. 4：1 shaft coupling half-section, 2 left-hand screw sets, 3 head
Axle sleeve, 5 sencond stage impellers, 6 right-hand screw sets, 7 axles between level impeller, 4 grades.If Fig. 4 is rotor part assembling figure, key is loaded on axle 7,
Then one stage impeller 3, left-hand screw set 2, shaft coupling half-section 1 are penetrated successively from the left end of axle 7, a grade countershaft is sequentially loaded into from the right-hand member of axle 7
Set 4, sencond stage impeller 5, right-hand screw set 6.Impeller 3,5 is fixedly installed on axle 7 by axle sleeve 4 etc. between screw-casing 2,6 and level.
Fig. 5 is parts of bearings assembling figure of the present utility model；Part in Fig. 5：1 air relief cock, 2 bearing bodies, 3 bearing pressures
Lid, 4 dust pans, 5 bolts.If Fig. 5 is the small dress figure of parts of bearings, bearing body 2 first installs the bearing gland 3 of side, holds bolt
5, the dust pan 4 of homonymy is then charged into, has been refilled and has been placed on after air relief cock 1 on one side and while notes protection.
Fig. 6 is stator of the present utility model, parts of bearings assembling figure；Part in Fig. 6：1 pump cover, 2 sealings, 3 brackets, 4
The small dress of axle, 5 studs, 6 nuts, 7 bearing bodies, 8 snap rings, 9 bearings, 10 bearing holder (housing, cover)s, 11 discs, 12 bearing glands, 13 bolts, 14
Dust pan.If Fig. 6 is stator, parts of bearings assembling figure, the stud coupled with sealing 2 and bracket 3 is tightened on pump cover 1, afterwards
Sealing 2 and bracket 3 are installed on pump cover 1 through axle 4, then tighten stud 5, nut 6.By the parts of bearings 7 after small dress and support
Frame 3 couples, and is tightened with stud 5, nut 6.Then by parts such as bearing holder (housing, cover) 10, bearing 9, snap ring 8, discs 11 on axle 4, most
Bearing gland 12 and dust pan 14 on the outside of loading afterwards, blending bolt 13 are tightened.
The course of work of the present utility model：
Such as Fig. 1, first stage impeller 10 plays double suction function, and water diversion part combines completion by suction pump cover 7, the pump housing 9.Will suction
After fluid is by the energy increase of first stage impeller 10, spatial warping runner is passed through from the one-level discharge chamber of the pump housing 9.
Such as Fig. 2, smooth to imported into secondary suction chamber.The runner that space torsion runner is arranged by two groups of helical symmetries is constituted,
Two groups of fluids finally together import secondary inlet.The design of space runner is to carry out fluid simulation design by professional CFD software
And obtain, except radial load itself can be balanced, as well as round and smooth and well-regulated angle change and area change, fluid is existed
Smooth outflow in runner, effectively reduces the impact to the pump housing, vibration and noise figure during pump operation is declined to a great extent.Secondary impeller
11 equally play intake function, and fluid is finally exported to discharge chamber by the increase of the energy of secondary impeller 11.Wherein first stage impeller
Double suction function and pump housing distortion runner improve the performance of pump.
Claims (3)
1. a kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure, it is characterised in that the centrifugal pump includes turning
Subassembly, stator component, supporting member, pressure relief device, the rotor part include impeller, axle, impeller nut, level countershaft
Set, impeller is fixedly installed on axle by axle sleeve between impeller nut, level；Stator component includes the pump housing, pump cover, and the two passes through
Wound gasket is sealed, and is fixed together with stud；Wherein, the transition runner between pump housing two-stage is designed to spatial warping runner.
2. a kind of carrying space according to claim 1 distorts the horizontal two-stage centrifugal pump of runner transition structure, its feature exists
In the supporting member includes journal bearing body component and thrust bearing body component, and parts of bearings is fixedly connected on by bracket
On pump cover.
3. a kind of carrying space according to claim 1 distorts the horizontal two-stage centrifugal pump of runner transition structure, its feature exists
In the pressure relief device is connected to pump end suction inlet by the pump cover extraction pipeline at discharge end and constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360750.0U CN206368820U (en) | 2016-12-13 | 2016-12-13 | A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360750.0U CN206368820U (en) | 2016-12-13 | 2016-12-13 | A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206368820U true CN206368820U (en) | 2017-08-01 |
Family
ID=59392737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360750.0U Active CN206368820U (en) | 2016-12-13 | 2016-12-13 | A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206368820U (en) |
-
2016
- 2016-12-13 CN CN201621360750.0U patent/CN206368820U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5888053A (en) | Pump having first and second outer casing members | |
| JP3182307B2 (en) | All circumferential pump | |
| RU2565649C2 (en) | Multistage compressor, method of its fabrication and rotary unit | |
| JPH09512872A (en) | Multistage centrifugal pump with coated magnetic bearing | |
| CN201265547Y (en) | Balancing type single-suction horizontal multiple-stage centrifugal pump | |
| KR101809676B1 (en) | Pump with double-suction impeller generating axial thrust | |
| CN103807185A (en) | Multistage centrifugal compressor capable of being detached horizontally | |
| CN101454578A (en) | Multi-stage turbo compressor | |
| CN106246559B (en) | A kind of Double pump body double-suction type canned motor pump | |
| RU2669133C1 (en) | Method for manufacturing a cast body of a radial turbohydraulic power plant, prefabricated cast model of a body (variants), typical series of bodies | |
| CN206785748U (en) | A kind of fast demountable two-stage cantilever centrifugal pump | |
| CN206368820U (en) | A kind of carrying space distorts the horizontal two-stage centrifugal pump of runner transition structure | |
| CN201090516Y (en) | Middle opening single suction multilevel diffuser centrifugal pump | |
| CN213899304U (en) | Two-end supporting radial subdivision two-stage centrifugal pump | |
| US4277223A (en) | Case construction for multi-stage pump | |
| CN201292983Y (en) | Double suction split pump | |
| CN208169132U (en) | A kind of first-stage double-absorption inner core axial subdivision multistage double casing volute pump | |
| JP2886444B2 (en) | All circumferential pump | |
| CN210423086U (en) | Speed-increasing transmission compact steam compressor | |
| CN108412775A (en) | A kind of first-stage double-absorption inner core axial subdivision multistage double casing volute pump | |
| CN217713045U (en) | Novel coaxial multi-stage back-to-back arrangement non-sealing liquid energy recovery unit | |
| CN201615059U (en) | Single-stage horizontal process pump | |
| JPH0674197A (en) | Pump casing made of sheet metal | |
| RU188870U1 (en) | HORIZONTAL CONSOLE VALVE PUMP | |
| CN213511221U (en) | Symmetrical multi-stage pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |