CN102102546A

CN102102546A - Impeller generator and method for generating power

Info

Publication number: CN102102546A
Application number: CN2009102593513A
Authority: CN
Inventors: 李建民
Original assignee: Beijing Wisword Science & Technology Development Co Ltd
Current assignee: Beijing Wisword Science & Technology Development Co Ltd
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2011-06-22

Abstract

The invention aims to provide a fluid impeller generator, which aims to convert motion energy of fluid into mechanical energy by expanding the fluid to work on an impeller and convert the mechanical energy into electric energy trough the motion of a rotator and a stator of the generator. The fluid is liquid, gas, supercritical gas, plasma and a mixture thereof. The invention also aims to provide a method for converting the motion energy of the fluid into electric energy. The fluid impeller generator is particularly suitable for small generating equipment and can generate power of 1w to 3,000 kw, preferably 5 to 200kw, and is suitable for generating power by using solar energy, waste heat, excessive pressure, and low-grade heat of terrestrial heat, and power generation which is realized by sampling a low-temperature organic working medium, particularly power generation realized by using an organic Rankine cycle.

Description

Turbo dynamo and electricity-generating method

Technical field

The present invention relates to power generating equipment, the equipment that can adopt working mediums such as liquid or gas to generate electricity, the Apparatus and method for that particularly adopts impeller to generate electricity.

Background technique

It is the working medium generating that existing generation technology mainly adopts steam, and main working medium is a water, and its nozzle is arranged on the stator, does not move, and blade is arranged on the rotor, and the steam of nozzle ejection promotes blade and is rotated generating.Existing technology mainly is the above generator set of 100KW, the unit that does not have miniaturization to be suitable for.

Adopt the organic Rankine cycle of low temperature (ORC) generator set, be suitable for low-temperature heat source and small-sized generating, but mainly be with existing large-scale steam generating equipment miniaturization, its nozzle and blade setting and large-scale identical, such structure setting has been limited the using energy source of generating, and working medium also must adopt the working medium of low temperature.

In addition, Stirling-electric hybrid also is a kind of power generating equipment, and the piston that it mainly adopts cylinder body and motion utilizes the heat energy of cylinder body outside to realize the working medium of cylinder interior is vaporized, and drives power generating equipment behind the promotion movement of cylinder block and carries out unit generation.

Above-mentioned main generation technology and method all belong to the electricity generating device of hot machine principle, and its working medium has all passed through the liquid-gas phase transition process, needs heat energy heating work medium, make it produce high temperature and high pressure steam, promote generating and rotor rotation, realize generating.Owing to steam need be carried out condensation, thereby a large amount of heat energy is depleted in condensation process, makes generating efficiency not high.

The water generating machine is that employing water is working medium, utilize the pressure and the flow of water to promote rotor rotation realization generating, but water can not circulate, and the mode that its current promote needs further to improve and improve, thereby can realize higher generating efficiency on the whole.

Summary of the invention

The purpose of this invention is to provide a kind of fluid impeller generator,, realize the kinergety of fluid is converted to mechanical energy, by the stator of generator and the motion of rotor mechanical energy is converted to electric energy again to do manual work by the expansion of fluid on impeller.Fluid is liquid, gas, overcritical, plasma or its mixture.

It is the method for electric energy with the fluid motion transformation of energy that another object of the present invention provides a kind of, to do manual work by the expansion of fluid on impeller, realization is converted to mechanical energy with the kinergety of fluid, by the stator of generator and the motion of rotor mechanical energy is converted to electric energy again.

The present invention particularly is suitable for small-sized power generating equipment, can realize the various generatings of 1w-3000kw, and favored area is the various generatings of 5kw-200kw; Be suitable for utilizing " low grade heat energy " of solar energy, waste heat, overbottom pressure, underground heat to generate electricity, and the generating that realizes of the organic working medium of low temperature that is suitable for sampling, the generating of particularly adopting the organic Rankine circulation to realize.

Concrete summary of the invention is as follows:

The impeller fluid generator, form by generator amature, generator unit stator, impeller, housing, it is characterized in that: contain an impeller plate at least, the impeller plate is provided with a plurality of blades, generator amature is connected with impeller shaft, housing becomes a cavity with impeller or impeller and generator amature, generator unit stator are airtight, housing is provided with fluid inlet and outlet, fluid enters from import and expand to promote the impeller plate by the impeller plate and rotate, impeller-driven generator amature and the generator unit stator generation electric energy that moves mutually.

Impeller is closed or opening type, and any can realization may be used to the present invention with the impeller shape of fluid motion ability conversioning mechanical energy, being shaped as of common blade: a kind of in single circular arc, two circular arc, prismatic blade, the ternary blade.

With vanes fixed on a pedestal that has a rotating shaft, form impeller, the shape of the blade of impeller can have multiple, commonly used have single circular arc, two circular arc, prismatic blade, a ternary blade, can be designed to other shapes as required, need make fluid produce maximum expansion work but main principle is the design of blade.

Blade 2 is fixed on the pedestal that has a rotating shaft, simultaneously a housing is set on blade again, make blade be surrounded the cavity that becomes a sealing, formed the passage that a plurality of fluids flow into and flow out in this cavity, constitute enclosed impeller by the housing on two sides.Commonly used have single circular arc, two circular arc, prismatic blade, a ternary blade, can be designed to other shapes as required, need make fluid produce maximum expansion work but main principle is the design of blade.

Be provided with a plurality of impeller plates, each impeller plate has an identical rotatingshaft, and rotatingshaft is connected with the generator amature of generator.

Rotating shaft two ends at impeller are provided with bearing, are provided with sealing gasket, ring or cushion rubber in the inner or the outer end of bearing.

Be provided with the volute chamber of supercharging at the import or export place of fluid, be provided with nozzle near the position at volute chamber and blade.

Rotatingshaft on the impeller directly is connected or connects by speed-change gear box with rotatingshaft on the generator amature.

Housing is in vacuum tightness cavity, seal chamber, the sealed cavity, open-ended cavity a kind of.

Generator unit stator or generator amature are provided with and descend one of array apparatus at least:

A, wire coil, this coil are connected power supply when work;

B, magnet;

C, contain the magnet of rare earth elements.

Include a kind of fluid, fluid flows out from outlet after the impeller plate expands via the inlet of housing, and fluid is selected from following at least a or its mixture:

A, liquid;

B, gas;

C, overcritical;

D, plasma.

A kind of is the method for electric energy with the fluid motion transformation of energy, adopt at least two impeller plate structures, two impeller plate realization multiple spots are combined closely, fluid expands through behind the impeller plate, the rotation of promotion impeller, drive generator amature motion, generator amature and generator unit stator move mutually, are electric energy with the motion stress transformation of energy of fluid.

Fluid is selected from following at least a or its mixture:

A, liquid;

B, gas;

C, overcritical;

D, plasma.

Useful effect is as follows:

1, adopt structure of the present invention and method to generate electricity, can realize the mixed power generation of multiple fluid, convection cell has enlarged the application and the kind of fluid without limits, is convenient to utilize multiple fluid to realize generating.

2, the present invention can realize the various generatings of 1w-3000kw, is particularly suitable for the various generatings of 5kw-200kw;

3, the present invention is suitable for utilizing " low grade heat energy " of solar energy, waste heat, overbottom pressure, underground heat to generate electricity, and the generating that realizes of the organic working medium of low temperature that is suitable for sampling, the generating of particularly adopting organic Lang Ken circulation to realize.

4, the present invention is simple in structure, is convenient to use in different industries and field.

5, the present invention has reduced the cost of power generating equipment, has improved the usefulness of generating.

Description of drawings

The concrete implication of label is as follows in the accompanying drawing:

1: impeller, 2: blade, 3: rotating shaft, 4: volute chamber, 5: nozzle, 6: airtight cavity, 7: fluid inlet, 8: fluid output, 9: housing, 10: gearbox, 11: generator amature, 12: generator unit stator.

Fig. 1: opening type impeller and blade;

Blade 2 is fixed on the pedestal that has a rotating shaft, form impeller 1, the shape of the blade of impeller 1 can have multiple, commonly used have single circular arc, two circular arc, prismatic blade, a ternary blade, can be designed to other shapes as required, need make fluid produce maximum expansion work but main principle is the design of blade.

Fig. 2: enclosed impeller and blade;

Fig. 3: the turbo dynamo that has gearbox

Fig. 4: multi-stage impeller generator

Embodiment

Embodiment one: the unit turbo dynamo that has the supercharging cavity

As shown in Figure 3, the impeller 2 of opening type is arranged in the housing 9, and fluid enters from fluid inlet 7, above nozzle 5 is injected in impeller 2, promote impeller 2 rotations, after impeller drive rotating shaft 3 is rotated, drives the generator amature 11 that is arranged in the rotating shaft and be rotated, form mutual motion with generator unit stator 12, fluid is ejected into nozzle 5 on the impeller, with the kinergety conversioning mechanical energy of fluid, generator amature and stator are converted to electric energy with mechanical energy, realize the generating of fluid.

Fluid enters into volute chamber after getting rid of from fluid output 8, discharges after the supercharging.

Adopting R123 in the present case is working medium, and generated output is 5kw.

Embodiment two: the turbo dynamo that has gearbox

As shown in Figure 4, the fluid working medium that generates electricity in this example is the organic working medium R134a of high pressure low temperature, fluid enters in the cavity from fluid inlet 7, be ejected on the impeller 2 through nozzle 5, fluid promotes rotating shaft 3 and rotates in the impeller workmanship of spraying and expand, rotating shaft is 3000 commentaries on classics through gearbox casing 10 with transformation of speed, be connected with generator amature 11 and generator unit stator 12 on gearbox casing 10, rotor and stator relative movement produce electric energy, realize the motion of fluid can be converted to electric energy.

In the above-mentioned case, can adopt the mixture generating of liquid, gas, plasma or liquid and gas, can utilize the waste heat overbottom pressure fully like this, perhaps utilize solar energy, shallow layer surface heat energy and traditional energy to replenish.

Claims

1. impeller fluid generator, form by generator amature, generator unit stator, impeller, housing, it is characterized in that: contain an impeller plate at least, the impeller plate is provided with a plurality of blades, generator amature is connected with impeller shaft, housing becomes a cavity with impeller or impeller and generator amature, generator unit stator are airtight, housing is provided with fluid inlet and outlet, fluid enters from import and expand to promote the impeller plate by the impeller plate and rotate, impeller-driven generator amature and the generator unit stator generation electric energy that moves mutually.

2. impeller fluid generator according to claim 1 is characterized in that: impeller is closed or opening type, being shaped as of blade: a kind of in single circular arc, two circular arc, prismatic blade, the ternary blade.

3. impeller fluid generator according to claim 1 is characterized in that: be provided with a plurality of impeller plates, each impeller plate has an identical rotatingshaft, and rotatingshaft is connected with the generator amature of generator.

4. impeller fluid generator according to claim 1 is characterized in that: the rotating shaft two ends at impeller are provided with bearing, are provided with sealing gasket, ring or cushion rubber in the inner or the outer end of bearing.

5. impeller fluid generator according to claim 1 is characterized in that: be provided with the volute chamber of supercharging at the import or export place of fluid, be provided with nozzle at volute chamber and blade near the position.

6. impeller fluid generator according to claim 1 is characterized in that: the rotatingshaft on the impeller directly is connected or connects by speed-change gear box with rotatingshaft on the generator amature.

7. impeller fluid generator according to claim 1 is characterized in that: housing is in vacuum tightness cavity, seal chamber, the sealed cavity, open-ended cavity a kind of.

8. impeller fluid generator according to claim 1 is characterized in that: generator unit stator or generator amature are provided with and descend one of array apparatus at least:

A, wire coil, this coil are connected power supply when work;

B, magnet;

C, contain the magnet of rare earth elements.

9. impeller fluid generator according to claim 1 is characterized in that: include a kind of fluid, fluid flows out from outlet after the impeller plate expands via the inlet of housing, and fluid is selected from following at least a or its mixture:

A, liquid;

B, gas;

C, overcritical;

D, plasma.

10. one kind is the method for electric energy with the fluid motion transformation of energy, it is characterized in that: adopt at least two impeller plate structures, two impeller plate realization multiple spots are combined closely, fluid expands through behind the impeller plate, promote the rotation of movable vane wheel, drive generator amature motion, generator amature and generator unit stator move mutually, are electric energy with the motion stress transformation of energy of fluid.

11. impeller fluid power-generation method according to claim 10 is characterized in that: fluid is selected from following at least a or its mixture:

A, liquid;

B, gas;

C, overcritical;

D, plasma.