CN106122032A - A kind of double feed inlet horizontal split-case centrifugal pump - Google Patents
A kind of double feed inlet horizontal split-case centrifugal pump Download PDFInfo
- Publication number
- CN106122032A CN106122032A CN201610745446.6A CN201610745446A CN106122032A CN 106122032 A CN106122032 A CN 106122032A CN 201610745446 A CN201610745446 A CN 201610745446A CN 106122032 A CN106122032 A CN 106122032A
- Authority
- CN
- China
- Prior art keywords
- pump
- impeller
- stage
- double
- pump housing
- 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
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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
- F04D1/06—Multi-stage pumps
- F04D1/08—Multi-stage pumps the stages being situated concentrically
-
- 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
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
- F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
Abstract
The invention discloses a kind of double feed inlet horizontal split-case centrifugal pump, including the pump housing, pump cover, sealed by gland between the pump housing and pump cover, it is characterized in that, a water sucking mouth it is respectively arranged with at the two ends of the same side of the pump housing, outlet is at pump housing opposite side and is positioned at axial central authorities, first-stage double suction impeller and secondary impeller it is provided with inside pump, water sucking mouth connects first-stage double suction impeller, first-stage double suction impeller reconnects secondary impeller, first stage impeller and secondary impeller are fixed by sealing ring, two back-to-back settings of first-stage double suction impeller.This centrifugal pump is equivalent to two double entry pumps and is connected in parallel and works simultaneously, all can increase at same double-suction pump impeller external diameter down-off lift and be twice；Import and export in the same direction and be perpendicular to pump shaft, beneficially pump and the layout of water inlet pipe and water outlet pipe and installation；Blade wheel structure is symmetrical, does not has axial force, operates steadily.
Description
Technical field
The present invention relates to centrifugal pump field, particularly relate to a kind of double feed inlet horizontal split-case centrifugal pump.
Background technology
Middle-opening pump is a kind of a large amount of wide workalike equipment, and it is widely used in oil, chemical industry, electric power smelting
Gold, mine, select ship, light industry, agricultural, civilian and national defence all departments, occupy an important position in national economy.The master of middle-opening pump
The flow of pumped (conveying) medium to be characterized as is big, the operation principle that lift middle-opening pump runs: impeller is arranged in pump case, and is fastened on pump
On axle, pump shaft is directly driven by motor.Pump case central authorities have a liquid suction to be connected with suction tube.Liquid enters through bottom valve and suction tube
Enter in pump.Liquid outlet on pump case is connected with discharge pipe.When rotating speed one timing of pump, its pressure head, flow and impeller diameter
Relevant.But the lift of the middle-opening pump of currently available technology and flow still suffer from the space that can promote, flow high-lift, big is always
The focus pursued in industry.
Summary of the invention
For solving at least one problem above-mentioned that existing centrifugal pump exists, present invention is primarily targeted at raising a kind of big
Flow, high-lift double feed inlet horizontal split-case centrifugal pump.
For achieving the above object, the present invention provides techniques below scheme:
A kind of double feed inlet horizontal split-case centrifugal pump, including the pump housing, pump cover, carries out close by gland between the pump housing and pump cover
Envelope, is respectively arranged with a water sucking mouth at the two ends of the same side of the pump housing, and outlet is at pump housing opposite side and is positioned at axial central authorities, inside pump
Being provided with first-stage double suction impeller and secondary impeller, water sucking mouth connects first-stage double suction impeller, and first-stage double suction impeller reconnects secondary leaf
Taking turns, first stage impeller and secondary impeller are fixed by sealing ring, two back-to-back settings of first-stage double suction impeller.
Further, being provided with double stator inside described pump cover, stator is symmetrical along vertical center axis, and stator is provided with leads
Leaf set.
Further, the intracavity of the described pump housing and pump cover composition is packing seal, is additionally provided with and installs with filler water seal dress
The packing ring coordinated is wanted in hole.
Further, also include that rotor part, described rotor part include axle and impeller interstage sleeve, be used for fixing first-stage double-absorption
Impeller and secondary impeller, be additionally provided with axle two ends and be equipped with pump shaft coupling, and pump shaft coupling is connected with parts of bearings, and axle is additionally provided with dash
Circle, described retaining ring is between impeller and parts of bearings.
The method have the advantages that two suction inlets of (1) pump and outlet drive pump below face with being respectively positioned in pump
Shell bottom, is horizontally located at both sides and becomes vertical direction with axial line, need not pull down motor and pipeline during maintenance, operate the most square
Just；(2) water sucking mouth of pump and outlet are all under the vertical lower of axis, same rotating speed and flow, because reducing inlet velocity, pump
Being not susceptible to cavitation, this form directly affects into water direction, is equivalent to be combined, simultaneously by two horizontally-opposed impellers
The current flowed out from impeller import a spiral case, go into higher-pressure region；(3) it is equivalent to two double entry pumps and is connected in parallel simultaneously
Work, all can increase at same double-suction pump impeller external diameter down-off lift and be twice；(4) import and export in the same direction and vertically
Layout and installation in pump shaft, beneficially pump and water inlet pipe and water outlet pipe；(5) blade wheel structure is symmetrical, can well balance single single-suction (single-in let) impeller
The axial force produced because of lateral pressure difference before and after the back shroud at suction inlet, does not has axial force, runs more steady.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used does simple introduction, it should be apparent that, the accompanying drawing in describing below is the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Accompanying drawing 1 is the profile of the embodiment of the present invention；
Accompanying drawing 2 is the left view of the embodiment of the present invention；
Accompanying drawing 3 is the axonometric chart of the embodiment of the present invention；
Accompanying drawing 4 is the rotor part structural representation of the embodiment of the present invention.
In accompanying drawing 1,1 is the pump housing, and 2 is pump cover, and 3 is gland, and 4 is sealing ring, and 5 is sealing ring, and 6 is stator, and 7 is to lead
Leaf, 8 is guide blade sleeve, and 9 is rotor part, and 10 is packing ring；11 is axle, and 12 is impeller interstage sleeve, and 13 is impeller interstage sleeve, and 14 is chopped-off head
Double-entry impeller, 15 is first-stage double suction impeller, and 16 is secondary impeller, and 17 is packing sleeve, and 18 is parts of bearings first, and 19 is bearing portion
Part second, 20 is retaining ring, and 21 is pump shaft coupling.
Detailed description of the invention
Below by specific embodiment, the present invention is further illustrated.
A kind of double feed inlet horizontal split-case centrifugal pump, as shown in Figures 1 and 2, including the pump housing 1, pump cover 2, the pump housing with
Being sealed by gland 3 between pump cover, be respectively arranged with a water sucking mouth at the two ends of the same side of the pump housing, outlet is at the pump housing
Opposite side and be positioned at axial central authorities, is provided with first-stage double suction impeller and secondary impeller inside pump, water sucking mouth connects first-stage double-absorption leaf
Wheel, first-stage double suction impeller is reconnected secondary impeller, first stage impeller and secondary impeller and is fixed by sealing ring 4,5, two head
The level back-to-back setting of double-entry impeller.
Wherein, being provided with double stator 6,7 inside pump cover, stator is symmetrical along vertical center axis, and stator is provided with guide blade sleeve
8。
Wherein, the intracavity of the pump housing and pump cover composition is packing seal, is additionally provided with and wants to coordinate with filler water seal dress installing hole
Packing ring 10.Including pad bearing 17.
Wherein, also including rotor part 9, as shown in Figure 4, described rotor part includes axle 11 and impeller interstage sleeve 13, uses
In fixing first-stage double suction impeller 14,15 and secondary impeller 16, being additionally provided with axle two ends and be equipped with pump shaft coupling 21, pump shaft coupling is connected with
Parts of bearings 18,19, axle is additionally provided with retaining ring 20, and described retaining ring is between impeller and parts of bearings.
Principle and the embodiment of the present invention are set forth by specific embodiment used herein, above example
Method and the core concept thereof being only intended to help to understand the present invention is described.The above is only the side of being preferable to carry out of the present invention
Formula, it is noted that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, it is also possible to make some improvement, retouch or change, also
Above-mentioned technical characteristic can be combined by rights；These improve retouching, change or combine, or the most improved general is sent out
Bright design and technical scheme directly apply to other occasion, are regarded as protection scope of the present invention.
Claims (4)
1. a double feed inlet horizontal split-case centrifugal pump, including the pump housing, pump cover, is carried out by gland between the pump housing and pump cover
Seal, it is characterised in that be respectively arranged with a water sucking mouth at the two ends of the same side of the pump housing, outlet is at pump housing opposite side and is positioned at axle
Being provided with first-stage double suction impeller and secondary impeller inside central authorities, pump, water sucking mouth connects first-stage double suction impeller, first-stage double suction impeller
Reconnecting secondary impeller, first stage impeller and secondary impeller be fixed by sealing ring, and two first-stage double suction impellers are back-to-back to be set
Put.
Double feed inlet horizontal split-case centrifugal pump the most according to claim 1, it is characterised in that be provided with double inside described pump cover
Stator, stator is symmetrical along vertical center axis, and stator is provided with guide blade sleeve.
Double feed inlet horizontal split-case centrifugal pump the most according to claim 1, it is characterised in that the described pump housing and pump cover composition
Intracavity be packing seal, be additionally provided with and want, with filler water seal dress installing hole, the packing ring that coordinates.
4. according to the double feed inlet horizontal split-case centrifugal pump described in any one of claim 1-3, it is characterised in that also include rotor
Parts, described rotor part includes axle and impeller interstage sleeve, is used for fixing first-stage double suction impeller and secondary impeller, is additionally provided with axle two ends
Being equipped with pump shaft coupling, pump shaft coupling is connected with parts of bearings, and axle is additionally provided with retaining ring, and described retaining ring is positioned at impeller and bearing
Between parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610745446.6A CN106122032A (en) | 2016-08-29 | 2016-08-29 | A kind of double feed inlet horizontal split-case centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610745446.6A CN106122032A (en) | 2016-08-29 | 2016-08-29 | A kind of double feed inlet horizontal split-case centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106122032A true CN106122032A (en) | 2016-11-16 |
Family
ID=57272663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610745446.6A Pending CN106122032A (en) | 2016-08-29 | 2016-08-29 | A kind of double feed inlet horizontal split-case centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122032A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762678A (en) * | 2017-02-10 | 2017-05-31 | 长沙佳能通用泵业有限公司 | A kind of horizontal middle open type parallel connection multistage pump |
| CN108825507A (en) * | 2018-07-02 | 2018-11-16 | 上海水泵制造有限公司 | A kind of list double suction mixed type middle open centrifugal pump |
| JP2020002948A (en) * | 2018-06-22 | 2020-01-09 | 株式会社荏原製作所 | Double suction volute pump |
| CN113250964A (en) * | 2021-07-05 | 2021-08-13 | 安徽埃斯克制泵有限公司 | Damping type middle-open double-suction pump and working method thereof |
| CN114483593A (en) * | 2022-01-26 | 2022-05-13 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523989Y (en) * | 2001-08-03 | 2002-12-04 | 沈阳市工业泵厂 | Multi-stage centrifugal oil pump with axially middle openings |
| CN2583402Y (en) * | 2002-12-05 | 2003-10-29 | 沈阳市赛信动力设备有限公司 | Double absorption midle-opening centrifugal pump |
| CN201246345Y (en) * | 2008-09-12 | 2009-05-27 | 常州东申泵业有限公司 | Double-suction split pump |
| CN201277198Y (en) * | 2008-09-12 | 2009-07-22 | 常州东申泵业有限公司 | Multi-stage double-suction split pump |
| CN201292983Y (en) * | 2008-09-12 | 2009-08-19 | 常州东申泵业有限公司 | Double suction split pump |
| CN201377436Y (en) * | 2009-03-31 | 2010-01-06 | 长沙水泵厂有限公司 | Structure for double-suction multistage horizontal split pump |
| KR20150112243A (en) * | 2014-03-27 | 2015-10-07 | 이응수 | Double suction type centrifugal pump |
| CN206111570U (en) * | 2016-08-29 | 2017-04-19 | 湖南长一泵业有限公司 | Double feed inlet horizontal split -case centrifugal pump |
-
2016
- 2016-08-29 CN CN201610745446.6A patent/CN106122032A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2523989Y (en) * | 2001-08-03 | 2002-12-04 | 沈阳市工业泵厂 | Multi-stage centrifugal oil pump with axially middle openings |
| CN2583402Y (en) * | 2002-12-05 | 2003-10-29 | 沈阳市赛信动力设备有限公司 | Double absorption midle-opening centrifugal pump |
| CN201246345Y (en) * | 2008-09-12 | 2009-05-27 | 常州东申泵业有限公司 | Double-suction split pump |
| CN201277198Y (en) * | 2008-09-12 | 2009-07-22 | 常州东申泵业有限公司 | Multi-stage double-suction split pump |
| CN201292983Y (en) * | 2008-09-12 | 2009-08-19 | 常州东申泵业有限公司 | Double suction split pump |
| CN201377436Y (en) * | 2009-03-31 | 2010-01-06 | 长沙水泵厂有限公司 | Structure for double-suction multistage horizontal split pump |
| KR20150112243A (en) * | 2014-03-27 | 2015-10-07 | 이응수 | Double suction type centrifugal pump |
| CN206111570U (en) * | 2016-08-29 | 2017-04-19 | 湖南长一泵业有限公司 | Double feed inlet horizontal split -case centrifugal pump |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762678A (en) * | 2017-02-10 | 2017-05-31 | 长沙佳能通用泵业有限公司 | A kind of horizontal middle open type parallel connection multistage pump |
| CN106762678B (en) * | 2017-02-10 | 2018-05-08 | 长沙佳能通用泵业有限公司 | A kind of horizontal middle open type parallel connection multistage pump |
| JP2020002948A (en) * | 2018-06-22 | 2020-01-09 | 株式会社荏原製作所 | Double suction volute pump |
| JP7213141B2 (en) | 2018-06-22 | 2023-01-26 | 株式会社荏原製作所 | Double suction volute pump |
| CN108825507A (en) * | 2018-07-02 | 2018-11-16 | 上海水泵制造有限公司 | A kind of list double suction mixed type middle open centrifugal pump |
| CN113250964A (en) * | 2021-07-05 | 2021-08-13 | 安徽埃斯克制泵有限公司 | Damping type middle-open double-suction pump and working method thereof |
| CN114483593A (en) * | 2022-01-26 | 2022-05-13 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
| CN114483593B (en) * | 2022-01-26 | 2023-11-24 | 湖南凯利特泵业有限公司 | Self-balancing multistage split pump equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161116 |