CN208416623U - A kind of radial turbines high-speed power generation unit - Google Patents
A kind of radial turbines high-speed power generation unit Download PDFInfo
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- CN208416623U CN208416623U CN201820562229.8U CN201820562229U CN208416623U CN 208416623 U CN208416623 U CN 208416623U CN 201820562229 U CN201820562229 U CN 201820562229U CN 208416623 U CN208416623 U CN 208416623U
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- turbine
- generator
- power generation
- radial turbines
- switching mechanism
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Abstract
The utility model discloses a kind of radial turbines high-speed power generation units, including radial turbines turbine, high-speed permanent magnetic generator, rectifier, inverter and digital Generation Control module.Low pressure steam or other working medium (0.8Mpa-6MPa) are done work by being sent into radial turbines turbine into steam turbine structure, radial turbines turbine directly drives high-speed permanent magnetic generator (revolving speed is between 10000~120000rpm, generated output 10-2000kW) to generate electricity by magnetic coupling, the high-frequency ac current of generation is sent to power distribution network or customer charge by rectifier, the industrial-frequency alternating current that inverter rectification modulation is 50HZ, 380kV.The purpose of the utility model is to overcome existing radial Turbo-generator Set is insufficient, provide a kind of structure is simple, reliable for operation, maintenance cost is low, high generation efficiency, independent of the synchronous limitation of power generation excitation, the mesolow working medium efficient generating apparatus of generator speed variable adjustment.
Description
Technical field
The utility model relates in distributed energy supply, thermoelectric cold triple supply, industrial afterheat recovery utilization and generation of electricity by new energy
Field, suitable for building, the thermoelectric cold triple supply field of building, workshop, the waste heat applied to industrial circles such as chemical industry, electric power is returned
The generations of electricity by new energy such as receipts and underground heat, photo-thermal.
Background technique
It finds by literature search, Chinese patent title are as follows: a kind of steam pressure-reducing power generator, application No. is
201520632793.9, which disclose a kind of steam pressure-reducing power generator, including high pressure steam inlet, low-pressure steam to fill
It sets, radial turbine, retarder, generator.
In distributed energy supply, thermoelectric cold triple supply, industrial afterheat recovery utilizes and field of new energy generation, and there are low-pressures
Steam-electric power.Because there are windage loss, inefficiency for xial flow steam turbine；And existing radial turbine generating set, usually
It needs to be connected after high-revolving radial turbine reduction of speed with generator using gear reduction unit, since radial turbine revolving speed is high
(10000-40000rpm), and generator speed is 3000rpm, so must be by retarder by radial turbine revolving speed reduction of speed
For 3000r/min.Radial turbine revolving speed be it is fixed, by speed regulation, the institution of distributing gas maintains revolving speed near fixed rotating speed.
There are the mechanical losses of 6%-10% or so for gear reduction unit.
Utility model content
The purpose of the utility model is to overcome insufficient in existing radial turbine product, provide that a kind of structure is simple, operation
Reliably, maintenance cost is low, high generation efficiency, independent of low in the synchronous limitation of power generation excitation, generator speed variable adjustment
Working medium efficient generating apparatus is pressed, it is final to promote mesolow working medium turbine power generation efficiency and reliability.
To achieve the above object, the utility model provides the following technical solutions: a kind of radial turbines high-speed power generation unit, packet
It includes into steam turbine structure, bypath system, turbine, steam discharge mechanism, bearing, shaft coupling, generator, the first switching mechanism, the second interpreter
Structure, filter, control system, the outlet side into steam turbine structure are fixedly connected with turbine admission end, the steam output end of the turbine
It is fixedly connected with the admission end of steam turbine structure out, the output end of the turbine is fixedly installed bearing, and the bearing is far from turbine
One end is fixedly installed shaft coupling, and the shaft of the generator is fixedly connected by shaft coupling with the output shaft end of turbine, described
Bypath system is respectively and into, by being electrically connected, the output end of the generator and first is converted between steam turbine structure, steam discharge mechanism
For the input terminal of mechanism by being electrically connected, the output end of first switching mechanism and the input terminal of the second switching mechanism pass through electricity
Property connection, the input terminal of the output end of second switching mechanism and filter is by being electrically connected, the output of the filter
End is with the input terminal of power distribution network by being electrically connected, and the control system is respectively and into steam turbine structure, generator, the first interpreter
Structure, the second switching mechanism pass through signal between filter and connect.
Further, the turbine uses radial turbines turbine.
Further, the turbine inlet steam, power pressure 0.8Mpa-6MPa, the revolving speed of the turbine are 10000
~120000rpm.
Further, the generator uses high-speed permanent magnetic generator, and the electrical power generators power is 10kW-
2000kW。
Further, it is connected between the turbine and generator amature by shaft coupling, the shaft coupling is using magnetic connection
Axis device.
Further, the bearing uses high-speed and high-temperature air bearing.
Further, first switching mechanism uses rectifier.
Further, second switching mechanism uses inverter.
Further, the control system includes digital control module, the digital control module respectively with into steam turbine structure,
Generator, the second switching mechanism, passes through signal between filter and connects the first switching mechanism.
Compared with prior art, the utility model has the beneficial effects that
1, the radial turbines high-speed power generation unit of the utility model has high reliability, generating efficiency and lower dimension
Cost, radial turbines turbine and generator coaxle, only one rotatable parts of a whole set of generating set are protected, and use high temperature and high speed empty
Gas bearing, radial turbines turbine are connected with generator amature with magnetic shaft coupling, avoid decentraction bring vibration failure, even
Reforwarding row reliability is high；Due to using high temperature and high speed air bearing, be not required to lubricating system, cooling system, coolant etc., maintenance at
This is low；It is done work using radial turbine turbine, and eliminates gear reduction box, avoided the mechanical of gear reduction box 6%-10% and pass
Dynamic loss, generating efficiency are obviously improved；
2, the utility model is done by low pressure steam (0.8Mpa-6MPa) by being sent into radial turbines turbine into steam turbine structure
Function, the steam after acting enters user's process system by steam discharge mechanism, or is sent into cooling tower condensation, and radial turbines turbine passes through
Magnetic coupling directly drives high-speed permanent magnetic generator, and (revolving speed is between 10000~120000rpm, generated output 10-
It 2000kW) generates electricity, the 150-2000Hz high-frequency ac current of generation is direct current, direct current warp by AC/DC rectifier rectification
The industrial-frequency alternating current that DC/AC inverter is modulated to 50HZ, 380kV is crossed, is sent to power distribution network or customer charge through wave filter.
Detailed description of the invention
Fig. 1 is a kind of radial turbines high-speed power generation unit overall structure diagram of the utility model.
In Fig. 1: 1- is into steam turbine structure；2- turbine；3- steam discharge mechanism；4- bearing；5- shaft coupling；6- generator；7- bypass system
System；The first switching mechanism of 8-；The second switching mechanism of 9-；10- filter；11- control system；12- digital control module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of radial turbines high-speed power generation unit, including into
Steam turbine structure 1, bypath system 7, turbine 2, steam discharge mechanism 3, bearing 4, shaft coupling 5, generator 6,8, second turns of the first switching mechanism
It changes planes structure 9, filter 10, control system 11, the outlet side into steam turbine structure 1 is fixedly connected with 2 admission end of turbine, the whirlpool
The steam output end of wheel 2 is fixedly connected with the admission end of steam discharge mechanism 3, and the output end of the turbine 2 is fixedly installed bearing 4, described
Bearing 4 is fixedly installed shaft coupling 5 far from one end of turbine 2, and the shaft of the generator 6 is defeated by shaft coupling 5 and turbine 2
Shaft end is fixedly connected out, the bypath system 7 respectively between steam turbine structure 1, steam discharge mechanism 3 by be electrically connected, the hair
By being electrically connected, the output end of first switching mechanism 8 enters for the output end of motor 6 and the input terminal of the first switching mechanism 8
The input terminal of second switching mechanism 9 is by being electrically connected, the output end of second switching mechanism 9 and the input terminal of filter 10
By being electrically connected, the output end of the filter 10 and the input terminal of power distribution network are by being electrically connected, the control system 11
It is connect respectively between steam turbine structure 1, generator 6, the first switching mechanism 8, the second switching mechanism 9, filter 10 by signal.
Turbine 2 described in the utility model uses radial turbines turbine.
2 inlet steam of turbine described in the utility model, power pressure 0.8Mpa-6MPa, the revolving speed of the turbine 2 are
10000~120000rpm, using radial turbines turbine as turbine acting component, inlet steam or power pressure 0.8Mpa-
6MPa, 10000~120000rpm of revolving speed, avoids leaving loss and windage loss compared with axial-flow turbine.
Generator 6 described in the utility model uses high-speed permanent magnetic generator, and 6 generated output of generator is 10kW-
2000kW, using high-speed permanent magnetic generator, revolving speed is between 10000~120000rpm, generated output 10-2000kW.
It is connected between 6 rotor of turbine 2 and generator described in the utility model by shaft coupling 5, the shaft coupling 5 uses magnetic
Property shaft coupling, effectively reduces rotor-support-foundation system and rotor decentraction bring vibration failure.
Bearing 4 described in the utility model uses high-speed and high-temperature air bearing, eliminates rolling and sliding bearing, eliminates profit
Oil system.
First switching mechanism 8 described in the utility model uses rectifier, is by the frequency that high-speed permanent magnetic generator exports
150-2000Hz AC rectification is direct current.
Second switching mechanism 9 described in the utility model uses inverter, receives rectifier output direct current and is by its inversion
Industrial frequency AC (50HZ, 380V).
Control system 11 described in the utility model include digital control module 12, the digital control module 12 respectively with into
Steam turbine structure 1, the first switching mechanism 8, the second switching mechanism 9, is connected by signal between filter 10 generator 6, according to difference
The method of operation a whole set of unit can be controlled accordingly.When the micro-capacitance sensor isolated power grid of access, by controlling inversion
Device controls the voltage and frequency of load side, i.e. v/f control, to maintain the voltage and frequency of entire micro-capacitance sensor；Work as generating set
When being incorporated into the power networks, to reduce the impact to bulk power grid, inverter is controlled using P/Q, i.e., is controlled according to given power output
Make its Power Exchange between power grid.
Working principle: by low pressure steam 0.8Mpa-6MPa by being sent into turbine 2 into steam turbine structure 1, due to this turbine 2
It using radial turbines turbine, is done work by radial turbines turbine, the steam after acting enters user's technique system by steam discharge mechanism 3
System, or be sent into cooling tower condensation, radial turbines turbine by shaft coupling 5 directly drive 6 revolving speed of generator 10000~
Between 120000rpm, generated output 10-2000kW power generation, the 150-2000Hz high-frequency ac current of generation is by the first conversion
Mechanism 8AC/DC rectifier rectification be direct current, direct current by the second switching mechanism 9DC/AC inverter be modulated to 50HZ,
The industrial-frequency alternating current of 380kV is sent to power distribution network or customer charge through wave filter 10.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (9)
1. a kind of radial turbines high-speed power generation unit, including into steam turbine structure (1), bypath system (7), turbine (2), steam discharge mechanism
(3), bearing (4), shaft coupling (5), generator (6), the first switching mechanism (8), the second switching mechanism (9), filter (10), control
System (11) processed, it is characterised in that: the outlet side into steam turbine structure (1) is fixedly connected with turbine (2) admission end, the turbine
(2) steam output end is fixedly connected with the admission end of steam discharge mechanism (3), and the output end of the turbine (2) is fixedly installed bearing
(4), the bearing (4) is fixedly installed shaft coupling (5) far from the one end of turbine (2), and the shaft of the generator (6) passes through connection
Axis device (5) is fixedly connected with the output shaft end of turbine (2), and the bypath system (7) is respectively and into steam turbine structure (1), steam discharge mechanism
(3) by being electrically connected between, the output end of the generator (6) and the input terminal of the first switching mechanism (8) are by electrically connecting
It connecing, the input terminal that the output end of first switching mechanism (8) enters the second switching mechanism (9), which passes through, to be electrically connected, and described second
The output end of switching mechanism (9) and the input terminal of filter (10) by being electrically connected, the output end of the filter (10) with
The input terminal of power distribution network is by being electrically connected, and the control system (11) is respectively and into steam turbine structure (1), generator (6), first turn
Change planes structure (8), the second switching mechanism (9), connected by signal between filter (10).
2. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: the turbine (2) uses
Radial turbines turbine.
3. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: turbine (2) entrance
Steam, power pressure 0.8Mpa-6MPa, the revolving speed of the turbine (2) are 10000~120000rpm.
4. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: the generator (6) is adopted
With high-speed permanent magnetic generator, generator (6) generated output is 10kW-2000kW.
5. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: the turbine (2) and hair
It is connected between motor (6) rotor by shaft coupling (5), the shaft coupling (5) uses magnetic shaft coupling.
6. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: the bearing (4) uses
High-speed and high-temperature air bearing.
7. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: first switching mechanism
(8) rectifier is used.
8. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: second switching mechanism
(9) inverter is used.
9. a kind of radial turbines high-speed power generation unit according to claim 1, it is characterised in that: the control system (11)
Including digital control module (12), the digital control module (12) is converted with into steam turbine structure (1), generator (6), first respectively
Mechanism (8), the second switching mechanism (9) pass through signal between filter (10) and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562229.8U CN208416623U (en) | 2018-04-19 | 2018-04-19 | A kind of radial turbines high-speed power generation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820562229.8U CN208416623U (en) | 2018-04-19 | 2018-04-19 | A kind of radial turbines high-speed power generation unit |
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| Publication Number | Publication Date |
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| CN208416623U true CN208416623U (en) | 2019-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487946A (en) * | 2018-04-19 | 2018-09-04 | 杭州宜清自动化控制技术有限公司 | A kind of radial turbines high-speed power generation unit |
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2018
- 2018-04-19 CN CN201820562229.8U patent/CN208416623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487946A (en) * | 2018-04-19 | 2018-09-04 | 杭州宜清自动化控制技术有限公司 | A kind of radial turbines high-speed power generation unit |
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