CN106168221A - A kind of duct type single-stage double-suction centrifugal pump - Google Patents
A kind of duct type single-stage double-suction centrifugal pump Download PDFInfo
- Publication number
- CN106168221A CN106168221A CN201610707763.9A CN201610707763A CN106168221A CN 106168221 A CN106168221 A CN 106168221A CN 201610707763 A CN201610707763 A CN 201610707763A CN 106168221 A CN106168221 A CN 106168221A
- Authority
- CN
- China
- Prior art keywords
- pump
- housing
- pump shaft
- end cap
- suction
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000002262 irrigation Effects 0.000 claims description 2
- 238000003973 irrigation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 4
- 230000008676 import Effects 0.000 description 12
- 238000003032 molecular docking Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/006—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of duct type single-stage double-suction centrifugal pump, including housing, impeller, pump shaft and fixed structure, having suction chamber and the delivery chamber of connection in housing, pump shaft is vertically arranged, sealing is rotatably installed in housing, two ends pass, and impeller set is contained on pump shaft, is positioned at delivery chamber, housing is provided with the feed tube and drain pipe connected respectively with suction chamber and delivery chamber, feed tube and drain pipe are positioned at the both sides of pump shaft, and fixed structure is connected with housing, and the installation for centrifugal pump is fixed；Feed tube and drain pipe mouth of pipe centrage are positioned on same horizontal linear, and pump shaft is positioned on the line of feed tube and drain pipe mouth of pipe centrage.The pump shaft of inventive pipeline formula single-stage double-suction centrifugal pump is positioned on the line of feed tube and drain pipe mouth of pipe centrage, have employed a kind of symmetrical structure, making centrifugal pump can keep well balancing in dynamic process static, the vibration of pump is little, noise is low, and stability and reliability are greatly enhanced.
Description
Technical field
The present invention relates to a kind of duct type single-stage double-suction centrifugal pump.
Background technology
Single-stage double-suction centrifugal pump generally is horizontal, and as depicted in figs. 1 and 2, i.e. pump shaft is horizontally disposed with.This single-stage is double
Inhale centrifugal pump and include housing, housing by under the pump housing 1 and form in upper pump cover 2 docking, pump shaft 3 is horizontally arranged at housing
In open on face, two ends pass from the gland seal system 4 between the pump housing 1 and pump cover 2, the most respectively by left bearing parts 51 He
Right bearing parts 52 are erected on the pump housing 1.Pump shaft 3 one end passes described parts of bearings 51 or 52, in order to by actuating device with
Motor is connected.Forming the suction chamber 61 and delivery chamber 62 connected between pump cover 2 with the pump housing 1, impeller 7 is sleeved on pump shaft 3, is positioned at
In described delivery chamber 62.The import and export flange by pipeline communication with suction chamber 61 and delivery chamber 62 is further respectively had on the pump housing 1
81,82, import and export flange 81,82 is positioned at the arranged on left and right sides of pump shaft 3, be all located at described in open below face, point-blank,
Also can not be point-blank.
This traditional single-stage double-suction centrifugal pump pump shaft is horizontally disposed with, and (is not drawn by actuating device with motor (not shown)
Go out) it is connected, so transversely size is bigger, need the biggest fabricating yard, need to put into bigger infrastructure project.
In prior art, also disclose that some vertical single-stage double-suction centrifugal pumps, the centrifugal pump that i.e. pump shaft is vertically arranged.But
These centrifugal pumps are typically only to be installed existing horizontal single-stage double suction centrifugal pump 90-degree rotation, and the most specifically considers
Pump shaft set-up mode, import and export flange arrangement, and import and export the relative position of flange arrangement and pump shaft, pump shaft bearing
Configuration relation, and the shadow that pump operation situation is brought by pump shaft Bearing configuration relation with rotor axial power and balanced radial force situation etc.
Ring.
Existing horizontal single-stage double suction centrifugal pump, opens in due to housing being, so pump shaft cannot be arranged on import and export method
On the line at blue center, the most existing horizontal single-stage double suction centrifugal pump be all a kind of eccentric designs, it turn over to turn 90 degrees and constitute
Vertical type single-stage double suction centrifugal, is naturally also eccentric design.This eccentric structure when for horizontal single-stage double suction centrifugal pump,
Impact is little, but when for vertical type single-stage double suction centrifugal, the Oscillation Amplitude of pump and noise are very big, the operation stability to pump
The biggest impact is caused with reliability.
Summary of the invention
The technical problem to be solved is to provide a kind of stable, duct type single-stage double-entry centrifugal of low noise
Pump.
The goal of the invention of the present invention is achieved through the following technical solutions: a kind of duct type single-stage double-suction centrifugal pump, including shell
Body, impeller, pump shaft and fixed structure, have suction chamber and the delivery chamber of connection in described housing, described pump shaft is vertically arranged, close
Envelope is rotatably installed in described housing, and two ends pass, and described impeller set is contained on described pump shaft, are positioned at described delivery chamber, institute
State housing and be provided with the feed tube and drain pipe connected with described suction chamber and delivery chamber respectively, described feed tube and drain pipe position
In the both sides of described pump shaft, described fixed structure is connected with described housing, and the installation for centrifugal pump is fixed；
It is characterized in that, described feed tube and drain pipe mouth of pipe centrage are positioned on same horizontal linear, and described pump
Axle is positioned on the line of described feed tube and drain pipe mouth of pipe centrage.
Feed tube of the present invention and drain pipe mouth of pipe centrage are located on the same line, and enable the invention to be directly installed on directly
In pipeline.The pump shaft of the present invention is positioned on the line of feed tube and drain pipe mouth of pipe centrage, have employed a kind of symmetrical structure, makes
Centrifugal pump can keep well balancing in static and dynamic process, and the vibration of pump is little, noise is low, the stability of operation and can
It is greatly enhanced by property.
Improvement as the present invention:
Described housing uses the structure of end folding, and described housing is by the end cap arranged along vertical described pump shaft and work
Pump housing docking for agent structure forms, and described feed tube and drain pipe are positioned on the described pump housing.
Inventive shell uses the mode that end is opened, compared to the agent structure of pump in prior art by the pump housing and pump cover
The mode of docking, the pump housing of the present invention is a monoblock type foundry goods, and compared to middle open type housing, inventive shell has intensity
Height, good stability, the simple feature of technique.
Further improvement as the present invention:
Described end cap is two, is separately mounted to the upper and lower end of the described pump housing, and end cap described in two is by same Mechanical processing of casting
Becoming, the most upper and lower end cap is cast by same mould, and only processing dimension is different.
Pump housing two ends are respectively provided with end cap, and end cap uses same foundry goods, can preferably ensure impeller suction chamber runner chi
Very little concordance, and the structure of symmetrical expression, be also beneficial to improve the stability of suction chamber fluidised form during pump operation of the present invention.
Preferred implementation as end cap of the present invention:
The upper and lower end face of the described pump housing is all the flange face of annular；
For the sealing chamber passed for described pump shaft in the middle part of described end cap, described end cap periphery forms the method with the described pump housing
The flange ring that blue face coordinates, has the round platform in stretching into described pump housing suction chamber inside described flange ring, described round platform
Middle part forms taper platform, and the end face of described round platform is smooth with the side of described taper platform to connect, and forms flow-passing surface, described flow-passing surface
On be radially provided with cut water, for the liquid that come in from suction chamber is imported impeller inlet；
When described end cap is arranged on the described pump housing, the flow-passing surface phase of the flow-passing surface of described end cap and described pump housing suction chamber
Connect, form the overflowing end face that described suction chamber is complete.
End cover structure of the present invention is simple, it is easy to casting, so that its flow-passing surface cross dimensions is prone to accurately control, in order to make
The centrifugal pump suction chamber overflowing end face collectively constituted by the pump housing and end cap is more smooth, and resistance to water-flow is little.
Further preferred as technical solution of the present invention, described pump shaft is arranged on the axle of described end cap by mechanical seal
In annular seal space, the flow-passing surface of described end cap is additionally provided with for connecting rushing of described suction chamber and described mechanical seal place cavity
Wash passage.
Compared to prior art, there is advantages that
1) inventive pipeline formula single-stage double-suction centrifugal pump is vertical centrifugal pump, and floor space is little, can greatly reduce basis
The input built；
2) to be positioned at same level straight for inventive pipeline formula single-stage double-suction centrifugal pump feed tube and drain pipe mouth of pipe centrage
On line, enable the invention to be directly installed in straight pipeline, it is to avoid pipeline misplaces；
3) pump shaft of inventive pipeline formula single-stage double-suction centrifugal pump is positioned at feed tube and the line of drain pipe mouth of pipe centrage
On, have employed a kind of symmetrical structure, make centrifugal pump can keep well balancing static in dynamic process, the vibration of pump
Little, noise is low, stability and reliability are greatly enhanced；
4) housing of inventive pipeline formula single-stage double-suction centrifugal pump uses the structure of end folding, and the agent structure pump housing is one
Monoblock type foundry goods, compared to middle open type housing, it is high that inventive shell has intensity, good stability, the simple feature of technique；
5) inventive pipeline formula pump body of single-stage double-suction centrifugal pump two ends are respectively provided with end cap, and end cap uses same foundry goods,
Can preferably ensure the concordance of impeller suction chamber channel size, and the structure of symmetrical expression, be also beneficial to improve the present invention from
The stability of suction chamber fluidised form during heart pump operation；
6) end cover structure of the present invention is simple, it is easy to casting, so that its flow-passing surface cross dimensions is prone to accurately control, in order to
Making the centrifugal pump suction chamber overflowing end face collectively constituted by the pump housing and end cap more smooth, resistance to water-flow is little.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of traditional horizontal middle-open single-stage double-suction centrifugal pump；
Fig. 2 is the installation diagram of traditional horizontal middle-open single-stage double-suction centrifugal pump；
Fig. 3 is the installation diagram of inventive pipeline formula single-stage double-suction centrifugal pump；
Fig. 4,5,6 are the part drawings of the duct type pump body of single-stage double-suction centrifugal pump of the present invention:
Wherein, Fig. 4 is the A-A view of Fig. 6；Fig. 5 is the B-B view of Fig. 6；Fig. 6 is the top view of the pump housing；
Fig. 7,8,9 are the part drawings of the duct type single-stage double-suction centrifugal pump bottom end cover of the present invention:
Wherein, Fig. 7 is the top view of bottom end cover, and Fig. 8 is the C-C view of Fig. 7；The upward view of Fig. 9 bottom end cover；
Figure 10,11,12 are the part drawings of the duct type single-stage double-suction centrifugal pump upper end cover of the present invention:
Wherein, Figure 10 is the top view of upper end cover, and Figure 11 is the D-D view of Figure 12；The upward view of Figure 12 bottom end cover；
Figure 13 is duct type single-stage double-suction centrifugal pump assembling figure (translator) of the present invention.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
As it is shown on figure 3, the duct type single-stage double-suction centrifugal pump of the present embodiment includes housing, impeller 7, pump shaft 3.
Pump shaft 3 is mounted vertically in housing, and vertical structure advantageously reduces floor space, thus greatly reduces basis and build
If input.Housing uses the structure of end folding, by the upper end cover 21 arranged along vertical pump shaft 3, as agent structure
The pump housing 1 and bottom end cover about 22 docking form.Housing uses the structure of end folding, and the agent structure pump housing 1 is a monoblock type
Foundry goods, intensity is high, good stability, and manufacturing process is simple.There is in housing the suction chamber 61 of connection, delivery chamber 62, impeller 7
Being sleeved on pump shaft 3, impeller 7 is positioned at delivery chamber 62, and pump shaft 3 two ends pass respectively from upper end cover 21, bottom end cover 22, seals
It is rotatably installed on housing.The pump housing 1 is provided with the feed tube and drain pipe connected respectively with suction chamber 61, delivery chamber 62, they
The mouth of pipe is respectively provided with suction flange 81 and outlet(discharge) flange 82, in order to connect extraneous pipe by suction flange 81 and outlet(discharge) flange 82
Road.Import and export flange 81,82 is positioned at the both sides of pump shaft 3, and import and export flange 81,82 centrage is positioned at same horizontal linear
On, and pump shaft 3 is positioned on the line of import and export flange 81,82 centrage.Centrifugal pump import and export flange 81,82 centrage is positioned at
On same straight line, enable the invention to be directly installed in straight pipeline, it is to avoid pipeline misplaces, and pump shaft 3 is positioned at import and export method in addition
On the line of blue 81,82 centrages, this symmetrical structure designs, and makes centrifugal pump can keep very in dynamic process static
Good balance, the vibration of pump is little and noise is low, and operational reliability and stability are greatly enhanced.
As shown in Figure 4,5, 6, the pump housing 1 axis vertical of scroll casing shape, butt end is all the flange face of annular, the import in left side
Flange 81 is connected with the suction chamber 61 being positioned at upper and lower part by pipeline, and the outlet(discharge) flange 82 on right side passes through pipeline and is positioned at middle part
Delivery chamber 62 connect.The suction chamber 61 of upper and lower part connects with the delivery chamber 62 at middle part respectively.
As shown in Fig. 7,8,9, upper and lower end cap 21,22 is same foundry goods (i.e. being cast by same mould), only adds Chinese musical scale
Very little different.Upper end cover 21 is designed with the seam for installing motor, and as shown in figure 13, vertical machine 9 is solid by motor cabinet 10
Being scheduled on upper end cover 21, output shaft upper end with pump shaft 3 straight down is connected.Dewatering orifice 221 it is provided with, at pump bottom bottom end cover 22
Do not use or in order to, time antifreeze, the liquid in pump can be bled off by dewatering orifice 221.
The advantage of upper and lower end cap 21, the 22 same foundry goods of employing is: ensure that suction chamber 61 runner of impeller 7 both sides tries one's best
In unanimously, and same foundry goods also allows for casting processing.Same foundry goods, the most conveniently carries out the post processing work of runner polishing.This
Invent the structure of this symmetrical expression, be also beneficial to improve further the stability of pump operation process of the present invention.
The concrete structure of the present embodiment end cap is:
For the sealing chamber 212,222 passed for pump shaft 3 in the middle part of end cap 21 or 22, end cap 21,22 is peripheral to be formed and flange
Face coordinate flange ring 213,223, have inside flange ring 213,223 round platform 214 in stretching into the pump housing 1 suction chamber 61,
224, the middle part of round platform 214,224 forms the side of taper platform 215,225, the end face of round platform 214,224 and taper platform 215,225
Smooth and connect, form flow-passing surface, flow-passing surface is radially provided with cut water 216,226, import for the liquid will come in from suction chamber
Impeller inlet.
End cap 21,22 inserts in the pump housing 1, after being fixed on the interface of the pump housing 1 by flange ring 213,223, end cap 21,
The flow-passing surface of 22 connects with the flow-passing surface of the pump housing 1 suction chamber 61, the overflowing end face that composition suction chamber 61 is complete.
The end cover structure of the present invention is simple, it is easy to casting, its flow-passing surface cross dimensions is prone to accurately control, in order to make by pump
Suction chamber 61 overflowing end face that body 1 and end cap 21,22 collectively constitute is more smooth, and resistance to water-flow is little.
Pump shaft 3 seals and is rotatably installed in housing, and concrete structure is:
As it is shown on figure 3, pump shaft 3 is arranged in the sealing chamber 212,222 of upper and lower end cap 21,22 by gland seal system 4.
Gland seal system 4 is mainly made up of mechanical seal 41, and mechanical seal 41 is arranged on upper and lower end cap 21,22 by machine sealed cover 42
In sealing chamber 212,222.Suction chamber 61 and machinery in sealing chamber 212,222 it is communicated with on the flow-passing surface of end cap 21,22
Seal the irrigation channel 217,227 of 41 place cavitys.The present embodiment mechanical seal 41 uses interior backwashing manner, it is not necessary to install back
Water tube component.The upper and lower end of pump shaft 3 passes upper and lower end cap 21,22 respectively, the most respectively by be fixed on upper end cover 21 and under
Upper bearing (metal) parts 53 and lower bearing parts 54 outside end cap 22 are rotatably installed on upper and lower end cap 21,22.Upper and lower bearing portion
Part 53,54 is constituted by bearing and bearing (ball) cover.The lower end of pump shaft 3 is protected inside the bearing (ball) cover of lower bearing parts 54, pump
The upper end of axle 3 passes in the middle part of upper bearing (metal) parts 53, in order to be connected with the output shaft of motor 9.
In the present embodiment, the bearing of lower bearing parts 54 uses the angular contact ball bearing of mounted in pairs, it is simple to bear vertical
The bi-directional axial load installed and part Hydraulic Radial Force, the bearing of upper bearing (metal) parts 53 uses deep groove ball bearing, mainly holds
By major part Hydraulic Radial Force and part axial load, this bearing arranges that general layout makes unit operation steady, safe and reliable.
The centrifugal pump of the present embodiment also includes, for centrifugal pump is fixed on concrete pedestal support sole 11, having two
Pair, is oppositely arranged, and is separately fixed at below feed tube and drain pipe.
Claims (5)
1. a duct type single-stage double-suction centrifugal pump, including housing, impeller, pump shaft and fixed structure, has in described housing even
Logical suction chamber and delivery chamber, described pump shaft is vertically arranged, seals and is rotatably installed in described housing, and two ends pass, described leaf
Wheel is sleeved on described pump shaft, is positioned at described delivery chamber, and described housing is provided with and connects with described suction chamber and delivery chamber respectively
Logical feed tube and drain pipe, described feed tube and drain pipe are positioned at the both sides of described pump shaft, described fixed structure and described shell
Body is connected, and the installation for centrifugal pump is fixed；
It is characterized in that, described feed tube and drain pipe mouth of pipe centrage are positioned on same horizontal linear, and described pump shaft position
On the line of described feed tube and drain pipe mouth of pipe centrage.
Duct type single-stage double-suction centrifugal pump the most according to claim 1, it is characterised in that described housing uses end folding
Structure, the described housing pump housing by the end cap arranged along vertical described pump shaft with as agent structure docks and forms, institute
State feed tube and drain pipe is positioned on the described pump housing.
Duct type single-stage double-suction centrifugal pump the most according to claim 2, it is characterised in that described end cap is two, respectively
Being arranged on the upper and lower end of the described pump housing, end cap described in two is formed by same Mechanical processing of casting.
Duct type single-stage double-suction centrifugal pump the most according to claim 3, it is characterised in that the upper and lower end face of the described pump housing
It it is all the flange face of annular；
For the sealing chamber passed for described pump shaft in the middle part of described end cap, described end cap periphery forms the flange face with the described pump housing
The flange ring coordinated, has the round platform in stretching into described pump housing suction chamber, the middle part of described round platform inside described flange ring
Forming taper platform, the end face of described round platform is smooth with the side of described taper platform to connect, and forms flow-passing surface, footpath on described flow-passing surface
To being provided with cut water；
When described end cap is arranged on the described pump housing, the flow-passing surface of described end cap connects with the flow-passing surface of described pump housing suction chamber,
Form the overflowing end face that described suction chamber is complete.
Duct type single-stage double-suction centrifugal pump the most according to claim 4, it is characterised in that described pump shaft passes through mechanical seal
It is arranged on the sealing intracavity of described end cap, the flow-passing surface of described end cap is additionally provided with for connecting described suction chamber and described machine
Tool seals the irrigation channel of place cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707763.9A CN106168221A (en) | 2016-08-23 | 2016-08-23 | A kind of duct type single-stage double-suction centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707763.9A CN106168221A (en) | 2016-08-23 | 2016-08-23 | A kind of duct type single-stage double-suction centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106168221A true CN106168221A (en) | 2016-11-30 |
Family
ID=57376758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707763.9A Pending CN106168221A (en) | 2016-08-23 | 2016-08-23 | A kind of duct type single-stage double-suction centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106168221A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150427A (en) * | 2016-12-06 | 2018-06-12 | 上海凯士比泵有限公司 | A kind of preposition booster pump of end odd test |
| CN112502984A (en) * | 2020-11-23 | 2021-03-16 | 利欧集团湖南泵业有限公司 | Pipeline type single-stage double-suction centrifugal pump |
| CN114320928A (en) * | 2021-12-21 | 2022-04-12 | 嘉利特荏原泵业有限公司 | Centrifugal pump |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US940257A (en) * | 1907-02-18 | 1909-11-16 | Charles V Kerr | Centrifugal pump. |
| GB191125877A (en) * | 1911-11-20 | 1912-11-14 | Charles Volney Kerr | Improvements in or relating to Centrifugal Pumps. |
| FR457904A (en) * | 1913-05-14 | 1913-09-29 | App Rateau Soc D Expl Des | High flow volute pump or fan |
| CH372928A (en) * | 1959-06-01 | 1963-10-31 | Spring Fritz | A unit consisting of a liquid pump and an electric motor attached to it |
| BE677566A (en) * | 1964-12-12 | 1966-08-01 | ||
| RU2081351C1 (en) * | 1991-10-09 | 1997-06-10 | Акционерное общество "ТУР" | Centrifugal stage chamber two-flow pump |
| CN2445115Y (en) * | 2000-07-18 | 2001-08-29 | 上海凯泉泵业（集团）有限公司 | Direct-coupling single-stage double-entry centrifugal pump |
| EP1247994A2 (en) * | 2001-03-21 | 2002-10-09 | Umberto Cambiaghi | Centrifugal pump with adjustment of the axial and radial clearances without opening the pump body |
| CN2628769Y (en) * | 2003-06-02 | 2004-07-28 | 蒋进良 | Flat type axial centrifugal pump |
| CN204061193U (en) * | 2014-08-18 | 2014-12-31 | 湖南天一奥星泵业有限公司 | The radial subdivision centrifugal pump of single-stage double-suction |
| CN204327505U (en) * | 2014-11-20 | 2015-05-13 | 辽宁长志泵业有限公司 | First stage impeller double-sucking type radial subdivision two end supports multistage centrifugal pump |
| CN205243923U (en) * | 2015-12-03 | 2016-05-18 | 广州市白云泵业集团有限公司 | Open double suction centrifugal pump in level |
| CN205937136U (en) * | 2016-08-23 | 2017-02-08 | 广州市白云泵业集团有限公司 | Pipeline formula single -stage double suction centrifugal pump |
-
2016
- 2016-08-23 CN CN201610707763.9A patent/CN106168221A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US940257A (en) * | 1907-02-18 | 1909-11-16 | Charles V Kerr | Centrifugal pump. |
| GB191125877A (en) * | 1911-11-20 | 1912-11-14 | Charles Volney Kerr | Improvements in or relating to Centrifugal Pumps. |
| FR457904A (en) * | 1913-05-14 | 1913-09-29 | App Rateau Soc D Expl Des | High flow volute pump or fan |
| CH372928A (en) * | 1959-06-01 | 1963-10-31 | Spring Fritz | A unit consisting of a liquid pump and an electric motor attached to it |
| BE677566A (en) * | 1964-12-12 | 1966-08-01 | ||
| RU2081351C1 (en) * | 1991-10-09 | 1997-06-10 | Акционерное общество "ТУР" | Centrifugal stage chamber two-flow pump |
| CN2445115Y (en) * | 2000-07-18 | 2001-08-29 | 上海凯泉泵业（集团）有限公司 | Direct-coupling single-stage double-entry centrifugal pump |
| EP1247994A2 (en) * | 2001-03-21 | 2002-10-09 | Umberto Cambiaghi | Centrifugal pump with adjustment of the axial and radial clearances without opening the pump body |
| CN2628769Y (en) * | 2003-06-02 | 2004-07-28 | 蒋进良 | Flat type axial centrifugal pump |
| CN204061193U (en) * | 2014-08-18 | 2014-12-31 | 湖南天一奥星泵业有限公司 | The radial subdivision centrifugal pump of single-stage double-suction |
| CN204327505U (en) * | 2014-11-20 | 2015-05-13 | 辽宁长志泵业有限公司 | First stage impeller double-sucking type radial subdivision two end supports multistage centrifugal pump |
| CN205243923U (en) * | 2015-12-03 | 2016-05-18 | 广州市白云泵业集团有限公司 | Open double suction centrifugal pump in level |
| CN205937136U (en) * | 2016-08-23 | 2017-02-08 | 广州市白云泵业集团有限公司 | Pipeline formula single -stage double suction centrifugal pump |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150427A (en) * | 2016-12-06 | 2018-06-12 | 上海凯士比泵有限公司 | A kind of preposition booster pump of end odd test |
| CN108150427B (en) * | 2016-12-06 | 2023-12-12 | 上海凯士比泵有限公司 | End-pumping type front booster pump |
| CN112502984A (en) * | 2020-11-23 | 2021-03-16 | 利欧集团湖南泵业有限公司 | Pipeline type single-stage double-suction centrifugal pump |
| CN112502984B (en) * | 2020-11-23 | 2024-03-29 | 利欧集团湖南泵业有限公司 | Pipeline type single-stage double-suction centrifugal pump |
| CN114320928A (en) * | 2021-12-21 | 2022-04-12 | 嘉利特荏原泵业有限公司 | Centrifugal pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106168221A (en) | A kind of duct type single-stage double-suction centrifugal pump | |
| CN100432443C (en) | Centrifugal pump for deep well | |
| CN106122032A (en) | A kind of double feed inlet horizontal split-case centrifugal pump | |
| CN106246559B (en) | A kind of Double pump body double-suction type canned motor pump | |
| CN107489628A (en) | Liquid-ring type draining pump | |
| CN205937136U (en) | Pipeline formula single -stage double suction centrifugal pump | |
| CN201486887U (en) | Double-suction double-support submersible slurry pump | |
| CN103372502B (en) | With the ore pulp froth breaking pond of air deflector | |
| CN110185626A (en) | A kind of vertical tubular multistage pump | |
| CN104088796B (en) | Energy-saving single-stage centrifugal pump long in service life | |
| CN206190540U (en) | Multistage water pump | |
| CN202811381U (en) | Vertical self-priming pump | |
| CN206309608U (en) | It is provided with the marine vertical type self-suction centrifugal pump of anti-string drain structure | |
| CN205078461U (en) | Vortex pump | |
| CN209586710U (en) | A kind of immersible pump | |
| CN209586765U (en) | A kind of high sealing pressure of multistage vertical centrifugal pump | |
| CN107100856A (en) | A kind of heavy duty detergent high suction depth formula dry type double entry pump | |
| CN208364401U (en) | Axial force self-balancing vertical centrifugal pump | |
| CN106545496A (en) | Sleeping suction multi-stage pipeline pump | |
| CN206889278U (en) | A kind of heavy duty detergent high suction depth formula dry type double entry pump | |
| CN207813972U (en) | Oil pump integrated submerged pump | |
| CN207568860U (en) | A kind of vertical double suction non-sealing self-sucking pump | |
| CN102966560B (en) | Two-stage centrifugal turbine pump | |
| CN206957992U (en) | A kind of pump case for coordinating rotor degree of disturbing | |
| CN110657099A (en) | Single-stage double-suction horizontal self-priming pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161130 |
|
| RJ01 | Rejection of invention patent application after publication |