CN102996521B - Pumping chamber of volute type mixed-flow pump - Google Patents

Pumping chamber of volute type mixed-flow pump Download PDF

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Publication number
CN102996521B
CN102996521B CN201310014225.8A CN201310014225A CN102996521B CN 102996521 B CN102996521 B CN 102996521B CN 201310014225 A CN201310014225 A CN 201310014225A CN 102996521 B CN102996521 B CN 102996521B
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stator
flow pump
volute
mixed
pump
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CN201310014225.8A
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CN102996521A (en
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于永海
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于永海
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Abstract

The invention discloses a pumping chamber of a volute type mixed-flow pump, which comprises a guide blade and a volute, wherein water flow flows through the guide blade after the impeller wheel of the mixed-flow pump works for pressurization, and then enters the volute. In the traditional volute type mixed-flow pump, liquid is collected through a volute and guided to a discharge pipe and the kinetic energy of the liquid is converted into pressure energy; and under the condition that water flow is just under the action of centrifugal force, the volute is a very good pumping chamber. Aiming at that water flow inside the mixed-flow pump is further under the action of lift force, the radial guide blade additionally arranged can convert the circular vector at the outlet of the pump formed by the lift power into water pressure better, so that the head loss can be reduced and the water pump efficiency is improved.

Description

The pumping chamber of Volute mixed-flow pump
Technical field
The present invention relates to a kind of pumping chamber of Volute mixed-flow pump.
Background technique
Volute mixed-flow pump belongs to the middle-size and small-size water pump of medium lift, is widely used in agricultural irrigation draining, cities and towns water supply and sewage, each field of industrial production of national economy, has that high efficient area is wide, stability of flow, structure are simple, operate the advantage such as reliable and easy to maintenance.The pumping chamber of traditional Volute mixed-flow pump is spiral case, spiral case is a kind of reasonable structure for collecting the current by centrifugal action, lift effect is also subject to because current in mixed flow pump are not only subject to centrifugal action, therefore only fully water outlet circular rector can not be converted into water pressure by spiral case, and cause that loss of head is large, pump efficiency is not high, be unfavorable for saving energy and reduce the cost.
Summary of the invention
The pumping chamber that the present invention will solve existing Volute mixed-flow pump only considers that current in pump are subject to centrifugal action and cause that loss of head is comparatively large, pump efficiency is not high, are unfavorable for the problem of saving energy and reduce the cost, not only be subject to centrifugal action for current in mixed flow pump but also be subject to the feature of lift effect, provide a kind of pumping chamber of Volute mixed-flow pump, improve the efficiency of Volute mixed-flow pump.
For achieving the above object, the technical solution used in the present invention: a kind of pumping chamber of Volute mixed-flow pump, it is characterized in that: it comprises stator, spiral case, described stator is arranged in described spiral case, described stator radially circle distribution in mixed-flow pump impeller outer rim surrounding.
Described stator is through specialized designs, and totally 12 are distributed in mixed-flow pump impeller outer rim surrounding, and described stator cross section is oval in approximate flat, end circular arc protruding, stage casing is straight, end with in intersegmental circular arc smooth transition.Adjustable lever is established at described stator center, and application adjustable lever along stator center rotating, can change described stator center line and the angle between described stator and impeller central line; Described stator cross-sectional width is 100:150 ~ 200 with the ratio of transition arc radius, and stage casing, described stator cross section thickness is 14:8 with the ratio of end arc diameter.
Beneficial effect: the present invention to change the pumping chamber of Volute mixed-flow pump into the assemblying body of spiral case and stator from traditional spiral case by setting up stator, can improve pump efficiency, have good economic benefit.
Accompanying drawing explanation
Fig. 1 is Volute mixed-flow pump pressurized water chamber structure schematic diagram of the present invention.
Fig. 2 is another angled arrangement schematic diagram of Volute mixed-flow pump pumping chamber of the present invention.
Fig. 3 is the cross sectional representation of the stator of the embodiment of the present invention.
Fig. 4 is the rotation schematic diagram of the stator of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
The pumping chamber of the Volute mixed-flow pump of the present embodiment, as shown in Figure 1 and Figure 2, it comprises stator 2 and spiral case 1, and current enter in spiral case 1 flow through stator 2 after mixed-flow pump impeller 3 works supercharging after.Conventional volute formula mixed flow pump is collected guiding fluid discharge tube by spiral case, liquid kinetic energy is converted to pressure energy, and current are only subject to the situation of centrifugal action, spiral case is a good water-pumping chamber.Also be subject to lift effect for current in mixed flow pump, set up radial stator and preferably the pump discharge circular rector formed because of lift can be converted into water pressure, thus loss of head, raising pump efficiency can be reduced.
This patent is specially for Volute mixed-flow pump, all inapplicable to other pump-type (centrifugal pump, guide vane mixed flow pump, axial-flow pump, through-flow pump etc.) and water turbine etc.Traditional Volute mixed-flow pump pumping chamber only uses spiral case, defectiveness in water movement principle, and this patent compensate for principle defect after adding stator.Stator is special special parts, such as stator number should get 12 uniform, stator cross section test after be preferably as shown in Figure 3.Wherein water pump outlet pipe diameter is 300mm, and stator cross-sectional width is 100mm, stator center line and the angle between described stator and impeller central line adjustable between 0-90 degree.As shown in Figure 4.Stator adjustable lever 4 is established at stator center, and application stator adjustable lever 4 along stator center rotating, can change described stator center line and the angle between described stator and impeller central line; Described stator cross-sectional width is 100:150 ~ 200 with the ratio of transition arc radius, and stage casing, described stator cross section thickness is 14:8 with the ratio of end arc diameter.
Although the present invention with preferred embodiment openly as above; but they and accompanying drawing thereof are not for limiting the present invention, being anyly familiar with this those skilled in the art, without departing from the spirit and scope of the invention; can make various changes or retouch, equally within protection scope of the present invention from working as.What therefore protection scope of the present invention should define with the claims of the application is as the criterion.

Claims (1)

1. a pumping chamber for Volute mixed-flow pump, is characterized in that: it comprises stator, spiral case, and described stator is arranged in described spiral case, described stator radially circle distribution in mixed-flow pump impeller outer rim surrounding; Described stator totally 12 be distributed in mixed-flow pump impeller outer rim surrounding, described stator cross section is oval in approximate flat, end circular arc protruding, stage casing is straight, end with in intersegmental circular arc smooth transition; Stator adjustable lever is established at described stator center, stator can be made centrally to rotate by stator adjustable lever; Described stator center line and the angle between described stator and impeller central line are between 0-90 degree; Described stator cross-sectional width is 100:150 ~ 200 with the ratio of transition arc radius, and stage casing, described stator cross section thickness is 14:8 with the ratio of end arc diameter.
CN201310014225.8A 2013-01-16 2013-01-16 Pumping chamber of volute type mixed-flow pump Active CN102996521B (en)

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Application Number Priority Date Filing Date Title
CN201310014225.8A CN102996521B (en) 2013-01-16 2013-01-16 Pumping chamber of volute type mixed-flow pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310014225.8A CN102996521B (en) 2013-01-16 2013-01-16 Pumping chamber of volute type mixed-flow pump

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CN102996521A CN102996521A (en) 2013-03-27
CN102996521B true CN102996521B (en) 2015-06-10

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104343733B (en) * 2013-07-24 2017-06-20 北京航天动力研究所 A kind of big diffusion angle guide-vane extrudes cell structure

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243119B (en) * 1964-03-28 1967-06-22 Neyrpic Ets Method and device for operating a reversible flow machine for liquids, in particular a pump turbine
US3918829A (en) * 1974-06-19 1975-11-11 Warren Pumps Inc Low pressure-pulse kinetic pump
CN2816434Y (en) * 2005-09-08 2006-09-13 上海东方泵业(集团)有限公司 Vortex-adding chamber structure for water pump
WO2007135449A1 (en) * 2006-05-24 2007-11-29 Integral Powertrain Ltd A turbine for a turbocharger
CN101737334A (en) * 2010-01-09 2010-06-16 陈久斌 swirler
CN201771780U (en) * 2010-07-09 2011-03-23 上海连成(集团)有限公司 Multi-stage double-suction pump with added guide vanes
CN102434491A (en) * 2010-09-29 2012-05-02 株式会社神户制钢所 Centrifugal compressor
CN203035616U (en) * 2013-01-16 2013-07-03 于永海 Pumping chamber for volute mixed-flow pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243119B (en) * 1964-03-28 1967-06-22 Neyrpic Ets Method and device for operating a reversible flow machine for liquids, in particular a pump turbine
US3918829A (en) * 1974-06-19 1975-11-11 Warren Pumps Inc Low pressure-pulse kinetic pump
CN2816434Y (en) * 2005-09-08 2006-09-13 上海东方泵业(集团)有限公司 Vortex-adding chamber structure for water pump
WO2007135449A1 (en) * 2006-05-24 2007-11-29 Integral Powertrain Ltd A turbine for a turbocharger
CN101737334A (en) * 2010-01-09 2010-06-16 陈久斌 swirler
CN201771780U (en) * 2010-07-09 2011-03-23 上海连成(集团)有限公司 Multi-stage double-suction pump with added guide vanes
CN102434491A (en) * 2010-09-29 2012-05-02 株式会社神户制钢所 Centrifugal compressor
CN203035616U (en) * 2013-01-16 2013-07-03 于永海 Pumping chamber for volute mixed-flow pump

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