CN103629161A - Second-level cantilever type small flow centrifugal pump - Google Patents

Second-level cantilever type small flow centrifugal pump Download PDF

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Publication number
CN103629161A
CN103629161A CN201310697486.4A CN201310697486A CN103629161A CN 103629161 A CN103629161 A CN 103629161A CN 201310697486 A CN201310697486 A CN 201310697486A CN 103629161 A CN103629161 A CN 103629161A
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CN
China
Prior art keywords
pump
small flow
cantilever type
shaft
type small
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
Application number
CN201310697486.4A
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Chinese (zh)
Inventor
左传玺
左文英
徐秀生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING CHANGZHI PUMP Co Ltd
Original Assignee
LIAONING CHANGZHI PUMP Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LIAONING CHANGZHI PUMP Co Ltd filed Critical LIAONING CHANGZHI PUMP Co Ltd
Priority to CN201310697486.4A priority Critical patent/CN103629161A/en
Publication of CN103629161A publication Critical patent/CN103629161A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the field of centrifugal pump devices, and particularly relates to a second-level cantilever type small flow centrifugal pump. The second-level cantilever type small flow centrifugal pump comprises a pump body, wherein the front end of the pump body is provided with a front pump cover, and the rear end of the pump body is connected with a motor through a bracket; the pump body is internally horizontally provided with a pump shaft, and a motor shaft is sleeved with the pump shaft; the pump shaft is axially provided with a first-level impeller and a second-level impeller, the pump cover is internally provided with a suction inlet which corresponds to the pump shaft, and the suction inlet is internally provided with an inducer; a guiding body is arranged between the first-level impeller and the second-level impeller, the inducer and the guiding body are both arranged on the pump shaft, and the periphery of the pump body is provided with a discharge opening. The second-level cantilever type small flow centrifugal pump provided by the invention has the advantages that the structure is simple, the manufacture is easy, a flow state is stable, and the pressure is constant without fluctuation; a condition that a working condition is stable is guaranteed, and the flow is exact; due to the universality and interchangeability design, the spare part storing and managing cost and the comprehensive operating cost of the pump are reduced, and the second-level cantilever type small flow centrifugal pump is a novel replacing product in the field of small flow centrifugal pumps based on unique durability, reliability and economy.

Description

Secondary cantilever type small flow centrifugal pump
Technical field
The present invention relates to a kind of secondary cantilever type small flow centrifugal pump, belong to centrifugal pump device field.
Background technique
In industries such as chemistry, petrochemical industry, oil refinery, Coal Chemical Industry, power station, non-ferrous metal, paper-making industry, pharmacy industry, food industry, sugar industry, steel works, spent acid processing, plumbing, town water supply, further processing of grains, carry not solids-laden fluid, conventionally need to use high-lift centrifugal pump, but the centrifugal pump of use only has a water outlet conventionally, and the relative position between water intake and water outlet is single, bad adaptability, and complex structure, affects the stability of fluid.
Summary of the invention
The technical problem to be solved in the present invention is: provides a kind of rational in infrastructure, can adapt to various working, and the mobile stable secondary cantilever type small flow centrifugal pump of fluid.
Secondary cantilever type small flow centrifugal pump of the present invention, comprise the pump housing, pump housing front end arranges front pump cover, and rear end connects motor by bracket, pump shaft is laterally installed in the pump housing, pump shaft is sleeved on motor shaft, and first stage impeller and sencond stage impeller are axially installed on pump shaft, and corresponding pump shaft arranges suction port in front pump cover, inducer is installed in suction port, between first stage impeller and sencond stage impeller, deflector is installed, inducer and deflector are installed on pump shaft, and pump housing periphery is provided with discharge opening.
Between the pump housing and motor, by intermediate bracket, complete, Placement is simple, easily operation; Chopped-off head and sencond stage impeller runner can adopt complete mechanical processing, and the method that it welds after completing again guarantees that product performance are stable, guarantee under minimum flow rate working conditions fluid stable, constant pressure ripple disable; The outer pump housing is forge piece, and discharge opening flange welding is on the pump housing; Deflector is fixed in the pump housing, and suction port welds or is cast on pump cover; Arranging of deflector can make the flow direction of seal flush liquid flow by changing into around axle vertically, and Seal cage can configure various fillers and mechanical seal, is applicable to the conveying of various media; Fluid level enters, and first through inducer, then enters between first stage impeller and sencond stage impeller, finally from discharge opening position, flows out, and this kind of structure can be determined the position of discharge opening on the pump housing according to actual conditions, flexible structure, and applicability is strong.
Described discharge opening axis is parallel, vertical with suction port axis place horizontal plane or be 45 degree angles.Discharge opening position is flexible, all can make fluid stable flow out.
Described discharge opening is set to 1 or 2.Can according to concrete operating mode choice for use one or two.
Described deflector is scroll casing type deflector.Water conservancy diversion is effective, fluid is flowed in the pump housing stable, is convenient to the liquid of conveying to become Vertical direction from substantially horizontal.
The invention has the beneficial effects as follows:
Simple in structure, easily manufacture fluid stable, constant pressure ripple disable; Assurance operating mode is stable, and flow is accurate; Versatility and interchangeability design, not only reduced spare part and stored and administration expenses, and reduced the integrated operation cost of pump, makes it with its distinctive serviceability, reliability, Economy, become the novel substitute products in small flow centrifugal pump field.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the layout schematic diagram of discharge opening in Fig. 1.
In figure: 1, sencond stage impeller 2, the pump housing 3, discharge opening 4, bracket 5, motor 6, motor shaft 7, pump shaft 8, suction port 9, inducer 10, first stage impeller 11, deflector 12, front pump cover.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
As shown in Fig. 1~Fig. 2, secondary cantilever type small flow centrifugal pump of the present invention, comprise the pump housing 2, the pump housing 2 front ends arrange front pump cover 12, rear end connects motor 5 by bracket 4, the interior horizontal installation pump shaft 7 of the pump housing 2, pump shaft 7 is sleeved on motor shaft 6, first stage impeller 10 and sencond stage impeller 1 are axially installed on pump shaft 7, corresponding pump shaft 7 is at the interior suction port 8 that arranges of front pump cover 12, and the interior installation inducer 9 of suction port 8, installs deflector 11 between first stage impeller 10 and sencond stage impeller 1, inducer 9 and deflector 11 are installed on pump shaft 7, and the pump housing 2 peripheries are provided with discharge opening 3.Discharge opening 3 axis are parallel, vertical with suction port 8 axis place horizontal planes or be 45 degree angles.Discharge opening 3 is set to 1.Deflector 11 is scroll casing type deflector.
Discharge opening 3 axis are parallel with suction port 8 axis place horizontal planes is that discharge opening is positioned at and is positioned at the pump housing 2 left sides or right side shown in Fig. 2; Discharge opening 3 axis are vertical with suction port 8 axis place horizontal planes is that discharge opening is positioned at and is positioned at the pump housing 2 tops or bottom shown in Fig. 2; It is the position that discharge opening is positioned at the upper left corner that is positioned at the pump housing 2, the upper right corner, the lower left corner or the lower right corner shown in Fig. 2 that discharge opening 3 axis and suction port 8 axis place horizontal planes are 45 degree angles.
During work, starting electrical machinery 5, motor shaft 6 drives pump shafts 7 to rotate, and pump shaft 7 drives chopped-off heads and sencond stage impeller to rotate, and deflector 11 rotates, and the liquid of transmission is flowed into from suction port 8, through chopped-off head and sencond stage impeller, drives and vertically from discharge opening 3, spues.

Claims (4)

1. a secondary cantilever type small flow centrifugal pump, it is characterized in that: comprise the pump housing (2), the pump housing (2) front end arranges front pump cover (12), rear end connects motor (5) by bracket (4), pump shaft (7) is laterally installed in the pump housing (2), pump shaft (7) is sleeved on motor shaft (6), upper first stage impeller (10) and the sencond stage impeller (1) axially installed of pump shaft (7), corresponding pump shaft (7) arranges suction port (8) in front pump cover (12), inducer (9) is installed in suction port (8), between first stage impeller (10) and sencond stage impeller (1), deflector (11) is installed, inducer (9) and deflector (11) are installed on pump shaft (7), the pump housing (2) periphery is provided with discharge opening (3).
2. secondary cantilever type small flow centrifugal pump according to claim 1, is characterized in that: discharge opening (3) axis is parallel, vertical with suction port (8) axis place horizontal plane or be 45 degree angles.
3. secondary cantilever type small flow centrifugal pump according to claim 1 and 2, is characterized in that: discharge opening (3) is set to 1 or 2.
4. secondary cantilever type small flow centrifugal pump according to claim 3, is characterized in that: deflector (11) is scroll casing type deflector.
CN201310697486.4A 2013-12-17 2013-12-17 Second-level cantilever type small flow centrifugal pump Pending CN103629161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310697486.4A CN103629161A (en) 2013-12-17 2013-12-17 Second-level cantilever type small flow centrifugal pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310697486.4A CN103629161A (en) 2013-12-17 2013-12-17 Second-level cantilever type small flow centrifugal pump

Publications (1)

Publication Number Publication Date
CN103629161A true CN103629161A (en) 2014-03-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310697486.4A Pending CN103629161A (en) 2013-12-17 2013-12-17 Second-level cantilever type small flow centrifugal pump

Country Status (1)

Country Link
CN (1) CN103629161A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298868A (en) * 2015-12-01 2016-02-03 珠海格力电器股份有限公司 Double-end suspended centrifuge and two-stage inlet structure thereof
CN109236677A (en) * 2018-10-30 2019-01-18 浙江水利水电学院 A kind of express pump of the preposition taper inducer of band
CN109538491A (en) * 2018-10-30 2019-03-29 浙江水利水电学院 A kind of centrifugal multistage pump multiple centrifugal pump and its installation method with inducer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2188665Y (en) * 1991-10-14 1995-02-01 沈阳水泵厂 Two-stage single-suction cantilever centrifugal pump
JP2005214190A (en) * 2004-01-30 2005-08-11 Spurt Kogyo:Kk Impurity crushing device relative to vertical shaft type centrifugal pump
CN1888442A (en) * 2006-07-31 2007-01-03 上海凯泉泵业(集团)有限公司 Improved multi-stage centrifugal pump
CN101806297A (en) * 2009-02-12 2010-08-18 多样化动力公司 Self lubricating pump
CN102261336A (en) * 2010-05-28 2011-11-30 沈阳启源工业泵制造有限公司 Two-stage cantilever centrifugal pump
CN203048839U (en) * 2012-12-28 2013-07-10 山东同创生物技术有限公司 Cleaning device of starch milk trolley
CN203641120U (en) * 2013-12-17 2014-06-11 辽宁长志泵业有限公司 Secondary cantilever type small-flow centrifugal pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2188665Y (en) * 1991-10-14 1995-02-01 沈阳水泵厂 Two-stage single-suction cantilever centrifugal pump
JP2005214190A (en) * 2004-01-30 2005-08-11 Spurt Kogyo:Kk Impurity crushing device relative to vertical shaft type centrifugal pump
CN1888442A (en) * 2006-07-31 2007-01-03 上海凯泉泵业(集团)有限公司 Improved multi-stage centrifugal pump
CN101806297A (en) * 2009-02-12 2010-08-18 多样化动力公司 Self lubricating pump
CN102261336A (en) * 2010-05-28 2011-11-30 沈阳启源工业泵制造有限公司 Two-stage cantilever centrifugal pump
CN203048839U (en) * 2012-12-28 2013-07-10 山东同创生物技术有限公司 Cleaning device of starch milk trolley
CN203641120U (en) * 2013-12-17 2014-06-11 辽宁长志泵业有限公司 Secondary cantilever type small-flow centrifugal pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298868A (en) * 2015-12-01 2016-02-03 珠海格力电器股份有限公司 Double-end suspended centrifuge and two-stage inlet structure thereof
CN105298868B (en) * 2015-12-01 2019-04-26 珠海格力电器股份有限公司 Double end suspended centrifuge and its secondary inlet structure
CN109236677A (en) * 2018-10-30 2019-01-18 浙江水利水电学院 A kind of express pump of the preposition taper inducer of band
CN109538491A (en) * 2018-10-30 2019-03-29 浙江水利水电学院 A kind of centrifugal multistage pump multiple centrifugal pump and its installation method with inducer

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Application publication date: 20140312