CN2705620Y

CN2705620Y - Water turbine

Info

Publication number: CN2705620Y
Application number: CNU2004200388095U
Authority: CN
Inventors: 徐来兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-27
Filing date: 2004-02-27
Publication date: 2005-06-22
Anticipated expiration: 2014-02-27

Abstract

A kind of water turbine, comprise housing, rotor, blade, intake pipe and draft tube, vanes fixed is in the rotor periphery, rotor is arranged in the housing rotationally, intake pipe, draft tube and housing interconnect, housing is columniform hollow article, rotor is a solid of rotation, the axis of rotor is identical with the axis of housing, the length of rotor approaches the width of housing cylindrical cavity, the width that blade makes progress in housing shaft approaches the width of housing cylindrical cavity, and blade approaches outside the rotor radial distance in week in the thoughtful housing in the length that housing directly makes progress.The periphery and the inner walls of the blade of this water turbine almost are close to mutually, and the space that forms between two blades and the housing is approached airtight, and waterpower resourses can fully obtain utilizing.The experiment proved that under identical, hydraulics, the generated energy of this water turbine can increase to nearly ten times than the generated energy of original water turbine.

Description

A kind of water turbine

Technical field

The utility model relates to a kind of the impact by high-speed liquid the epitrochanterian turbo machine of blade or analog is being housed, and specifically is meant a kind of water turbine that is used for hydroelectric generator.

Background technique

Therefore China is man of mountain country more than, and a large amount of river that distributing on these mountain regions utilizes waterpower to generate electricity to be China's extensive a kind of generation mode of employing of institute at present.Hydroelectric generator utilizes waterpower that water turbine is done work and generates electricity, the core component of water turbine is a bladed rotor, utilizes the water slug with certain drop on this blade, drives rotor rotation, rotor is connected to generator, and the rotation of rotor promptly becomes the power resources of generator.

Usually in the higher position of physical features reservoir filling is set, in the position that physical features is lower water turbine is installed, water falls from eminence, to the blade acting of water turbine.This mode normally utilizes the bigger water yield to impact the less blade of size, and a large amount of water flows through outside the blade circumference or between the blade, thereby a large amount of waterpower is not fully used, and causes the waste of a large amount of waterpower resourses.

Under the situation that world today's energy lacks day by day, how energy saving, fully to effectively utilize the energy be the important topic that the our times development must solve, because environment is seriously damaged, the phenomenon that many rivers produce cutout, dry up, the waterpower resourses wretched insufficiency, therefore, develop the hydroelectric generator that a kind of energy is abundant, effectively utilize waterpower resourses, be significant.

The model utility content

The utility model provides a kind of water turbine, and a large amount of water flow through outside the blade circumference or between the blade when its purpose was to overcome existing water turbine running, thereby the low defective of water utilization rate.

The utility model adopts following technological scheme: this water turbine comprises housing, rotor, blade, intake pipe and draft tube, vanes fixed is in the rotor periphery, rotor is arranged in the housing rotationally, intake pipe, draft tube and housing interconnect, housing is columniform hollow article, rotor is a solid of rotation, the axis of rotor is identical with the axis of housing, the length of rotor approaches the width of housing cylindrical cavity, the width that blade makes progress in housing shaft approaches the width of housing cylindrical cavity, and blade approaches outside the rotor radial distance in week in the thoughtful housing in the length that housing directly makes progress.

The housing of this water turbine axially be positioned at substantially horizontal, intake pipe is communicated with the circumferential surface of housing with certain angle of inclination in housing top one side, draft tube opposite side below housing flatly or with downward-sloping angle is communicated with the circumferential surface of housing.

The housing of this water turbine axially be positioned at vertical direction, intake pipe from top to bottom is communicated with the circumferential surface of housing with certain angle of inclination in housing one side, draft tube flatly or with downward-sloping angle is communicated with the circumferential surface of housing in housing circumferential surface opposite side.

The blade of this water turbine is a wormwheel blade, and the stress surface of blade is a concave surface.

In the intake pipe of this water turbine flow control valve is housed.

By above-mentioned description to the utility model structure as can be known, compare with prior art, the utlity model has following advantage: the periphery and the inner walls of the blade of this water turbine almost are close to mutually, and the space that forms between two blades and the housing is approached airtight, and waterpower resourses can fully obtain utilizing.The experiment proved that under identical hydraulics, the generated energy of this water turbine increases nearly ten times than the generated energy of original water turbine, has improved the utilization ratio of waterpower resourses greatly,, can alleviate the situation of shortage of electric power greatly if apply in the whole nation.

Description of drawings

Fig. 1 is the longitudinal profile structural representation of the utility model embodiment one;

Fig. 2 is the perspective view of the utility model rotor and blade;

Fig. 3 is the surface structure schematic representation of the utility model embodiment one;

Fig. 4 is the surface structure schematic representation of the utility model embodiment two.

Embodiment

Embodiment one of the present utility model, with reference to Fig. 1, Fig. 2 and Fig. 3, this water turbine comprises housing 1, rotor 2, six blades 3, intake pipe 4 and draft tubes 5, six blades 3 equidistantly distribute and are fixed in rotor 2 peripheries, rotor 2 is arranged in the housing 1 rotationally by rotating shaft 20, and intake pipe 4, draft tube 5 and housing 1 form an integral body that interconnects.

Housing 1 is columniform hollow article, rotor 2 is a cylindrical body, the axis of rotor 2 is identical with the axis of housing 1, the length of rotor 2 approaches the width of housing 1 cylindrical cavity, the both ends of the surface that are rotor 2 are close with housing 1 inwall as far as possible, but guarantee that rotor 2 can rotate with rotating shaft 20 and not produce friction because contact neatly; Blade 3 approaches housing 1 cylindrical cavity at its width on axially at housing 1 width on axially, the length that blade 3 makes progress in housing 1 footpath approaches rotor 2 outside radial distance all in the thoughtful housing 1, the inwall that is the dual-side of blade 3 and outer end and housing 1 is close as far as possible, but guarantee blade 3 can follow that rotor 2 rotates flexibly and do not produce friction because contact, like this, whenever, form one near airtight space between two adjacent blades 3, rotor 2 outer circumferential faces, housing 1 inwall.

The housing 1 of this water turbine axially be positioned at substantially horizontal, promptly the cylinder of this columniform housing 1 is positioned at substantially horizontal, its both ends of the surface are positioned at vertical direction, intake pipe 4 is communicated with the circumferential surface of certain angle of inclination with housing 1 from the top of housing 1 one sides, and draft tube 5 flatly or with the circumferential surface of downward-sloping angle with housing 1 is communicated with in housing 1 below opposite side.3 on the leaf of this water turbine is a wormwheel blade, and each blade is formed a worm gear, and the stress surface of blade 3 is a concave surface.In the intake pipe 4 flow control valve is housed, is used to regulate the size of inflow.

During this water turbine work, water enters from intake pipe 4 tops with certain drop, impact is on the stress surface of blade 3, driving blade 3 rotates, and from draft tube 5, flow out, owing to form one near airtight space between every two adjacent blades 3, rotor 2 outer circumferential faces, housing 1 inwall, can be from not revealing between blade 3 peripheries or the blade 3 when water flows, thereby can make waterpower resourses obtain the utilization of maximal efficiency.The rotation of blade 3 drives rotor 2 and rotating shaft 20 is rotated, and rotating shaft 20 is connected with the rotating shaft of generator.

This water turbine also can carry out the two poles of the earth or multi-stage series connection work, utilizes waterpower resourses more fully to reach.

Embodiment two of the present utility model, with reference to Fig. 4, axially be positioned at vertical direction with the main distinction of mode of execution one is its housing 1, promptly the cylinder of this columniform housing 1 is positioned at vertical direction, its both ends of the surface are positioned at substantially horizontal, intake pipe 4 is communicated with the circumferential surface of certain angle of inclination with housing 1 from the top of housing 1 one sides, and draft tube 5 flatly or with the circumferential surface of downward-sloping angle with housing 1 is communicated with in housing 1 below opposite side.

More than be two specific embodiments of the present utility model, but design concept of the present utility model is not limited thereto, concrete structure can have varied, as: the quantity of intake pipe and draft tube is not limited to one, can have more than two, its housing and link position and angle also can have multiple variation, connect as the side from housing; The shape of rotor also is not limited to cylindrical shape, can be other solid of rotation, as cone etc.Allly utilize design concept of the present utility model that the utility model is carried out the improvement of unsubstantiality, all should belong to and invade protection domain of the present utility model.

Claims

1, a kind of water turbine, comprise housing, rotor, blade, intake pipe and draft tube, vanes fixed is in the rotor periphery, rotor is arranged in the housing rotationally, intake pipe, draft tube and housing interconnect, it is characterized in that: housing is columniform hollow article, rotor is a solid of rotation, the axis of rotor is identical with the axis of housing, the length of rotor is less than the width of housing cylindrical cavity, the width that blade makes progress in housing shaft is less than the width of housing cylindrical cavity, blade in length that housing directly makes progress less than rotor outside the radial distance in week in the thoughtful housing.

2, a kind of water turbine as claimed in claim 1, it is characterized in that: described housing axially be positioned at substantially horizontal, intake pipe is communicated with the circumferential surface of housing with certain angle of inclination in housing top one side, and draft tube flatly or with downward-sloping angle is communicated with the circumferential surface of housing in housing below opposite side.

3, a kind of water turbine as claimed in claim 1, it is characterized in that: described housing axially be positioned at vertical direction, intake pipe from top to bottom is communicated with the circumferential surface of housing with certain angle of inclination in housing one side, and draft tube flatly or with downward-sloping angle is communicated with the circumferential surface of housing in housing circumferential surface opposite side.

4, a kind of water turbine as claimed in claim 1 is characterized in that: described blade is a wormwheel blade, and the stress surface of blade is a concave surface.

5, a kind of water turbine as claimed in claim 1 is characterized in that: flow control valve is housed in the intake pipe.