CN106939821A - A kind of double dynamical output turbine of compact - Google Patents
A kind of double dynamical output turbine of compact Download PDFInfo
- Publication number
- CN106939821A CN106939821A CN201710330231.2A CN201710330231A CN106939821A CN 106939821 A CN106939821 A CN 106939821A CN 201710330231 A CN201710330231 A CN 201710330231A CN 106939821 A CN106939821 A CN 106939821A
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- Prior art keywords
- turbine
- axle
- stage
- flange
- double dynamical
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- 239000002912 waste gas Substances 0.000 claims abstract description 21
- 230000008676 import Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 19
- 239000007789 gas Substances 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000013022 venting Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 241000083547 Columella Species 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 241000233855 Orchidaceae Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
- F02B41/02—Engines with prolonged expansion
- F02B41/10—Engines with prolonged expansion in exhaust turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention discloses a kind of double dynamical output turbine of compact, including the first turbine for driving compressor, two-stage turbine for driving generator, and cover at the casing in the outside of first turbine and two-stage turbine, first turbine fixed cover is on first turbine axle, two-stage turbine fixed cover is on two-stage turbine axle, the central shaft of first turbine axle it is parallel with the central shaft of two-stage turbine axle or it is conllinear set, radial nozzles ring is provided with the import of first turbine, provided with axial nozzle ring at the import of two-stage turbine, guide housing between level is provided between axial nozzle ring and first turbine, the guide channel for guiding waste gas to enter axial nozzle ring is formed between level between guide housing and the inwall of casing, first turbine is radial-flow turbine or mixed flow turbine, two-stage turbine is axial flow turbine.The exhaust energy that such a double dynamical output turbine of compact can make full use of first turbine to export is used for generating electricity, and can be achieved that the utilization rate of engine exhaust energy, compact conformation is substantially improved.
Description
Technical field
The present invention relates to internal combustion engine turbocharging technical field, more particularly to a kind of double dynamical output turbine of compact.
Background technology
Turbocharger is one of important component of internal combustion engine, all diesel engine and part of gasoline machine, gas engine
Be provided with turbocharger, with the continuous innovation of supercharging technology, booster will be more and more with machine amount.With application
The requirement of the increasingly complicated and Abgasgesetz of environment is increasingly strict, and traditional turbocharger is faced with formidable challenges.
From the point of view of current turbine, turbine outlet typically still has higher waste gas kinetic energy, while there is 400-500
DEG C heat energy, if be not used, this portion of energy is all discharged into air, causes the significant wastage of energy.
Therefore, the exhaust energy that conventional turbine is exported how is utilized, so that the utilization rate of engine exhaust reaches maximum
Change, be the current technical issues that need to address of those skilled in the art.
The content of the invention
In view of this, it is an object of the invention to provide a kind of double dynamical output turbine of compact, can further it utilize
The energy of first turbine outlet realizes generating, and efficiency is higher, can realize the maximization of exhaust gas utilization rate.
To achieve the above object, the present invention provides following technical scheme：
A kind of double dynamical output turbine of compact, including for driving the first turbine of compressor, being generated electricity for driving
The two-stage turbine of machine and cover at the first turbine and the two-stage turbine outside casing, the first turbine consolidates
Surely it is sheathed on first turbine axle, the two-stage turbine fixed cover is on two-stage turbine axle, the center of the first turbine axle
Axle it is parallel with the central shaft of the two-stage turbine axle or it is conllinear set, radial nozzles ring is provided with the import of the first turbine,
It is provided between level and leads provided with axial nozzle ring at the import of the two-stage turbine, between the axial nozzle ring and the first turbine
To cover, formed between the level between the inwall of guide housing and the casing for guiding waste gas to enter leading for the axial nozzle ring
To passage, the first turbine is radial-flow turbine or mixed flow turbine, and the two-stage turbine is axial flow turbine.
Preferably, the radial section of the guide channel is the annular of the central shaft extended line around the two-stage turbine axle
Face, and radial section area is tapered by the lateral outlet side of air inlet.
Preferably, the two-stage turbine axle is provided with the shaft coupling for being used for connecting generator.
Preferably, the first turbine is integrated part with the first turbine axle.
Preferably, the two-stage turbine is integrated part with the two-stage turbine axle.
Preferably, also including the guiding and the exit casing of collection for waste gas, the exit casing is provided with exit casing bearing
Seat, the venting shell shaft bearing is connected on the axle journal in the middle part of the two-stage turbine axle by the first rolling bearing, the exhaust
Shell is connected with gland, and the gland can be with the being connected to the axle journal common restriction of step surface on the two-stage turbine axle is described
The axial displacement of first rolling bearing.
Preferably, inner flange and outward flange, the interior method are radially sequentially provided with the axial nozzle ring from inside to outside
Orchid is connected to the guide housing flange on guide housing between the level, and the exit casing is provided with first flange, the first flange, institute
Outward flange is stated to be fixedly connected with the casing.
Preferably, second flange, the 3rd flange and the 4th flange, the second flange connection are additionally provided with the exit casing
External exhaust gas pipeline, the 3rd flange is fixedly connected the generator, and the 4th flange is fixedly connected the gland.
Preferably, the second rolling bearing is provided between the two-stage turbine axle and the axial nozzle ring.
Preferably, gap is provided between the level between guide housing and the first turbine.
In the double dynamical output turbine of compact that the present invention is provided, including for driving the first turbine of compressor, using
In the two-stage turbine of driving generator, first turbine fixed cover is on first turbine axle, and two-stage turbine fixed cover is located at two grades
On turbine wheel shaft.Waste gas flows into casing by housing entrance first, afterwards into radial nozzles ring, shape between radial nozzles ring and casing
Into reduction passage, accelerate waste expansion, the waste gas after acceleration enters first turbine acting, guiding of the waste gas through guide channel
Effect enters axial nozzle ring, and the waste gas after the acceleration of axial nozzle ring enters two-stage turbine.First turbine driving one-level whirlpool
Wheel shaft drives compressor, and two-stage turbine driving two-stage turbine axle drives electrical power generators.
Such a double dynamical output turbine of compact passes through the first turbine and two-stage turbine that are arranged on not coaxial, one-level
Turbine can do work to compressor, while the energy that further can be exported using first turbine realizes generating, can be to turbine
Work done is made full use of, and efficiency is higher, can realize the maximization of exhaust gas utilization rate, meanwhile, first turbine, two grades of whirlpools
Wheel is arranged in same casing, and structure is more compact, can reduce space-consuming.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation of the double dynamical output turbine of compact provided by the present invention；
Fig. 2 is the structural representation of first turbine axle provided by the present invention；
Fig. 3 is the structural representation of guide housing between level provided by the present invention；
Fig. 4 is the structural representation of axial nozzle ring provided by the present invention；
Fig. 5 is the structural representation of two-stage turbine axle provided by the present invention；
Fig. 6 is the structural representation of exit casing provided by the present invention；
Fig. 7 is the sectional view of the double dynamical output turbine of compact provided by the present invention.
Fig. 1 is into Fig. 7,1- casings, 2- radial nozzles rings, and guide housing between 3- grades, the rolling bearings of 4- first, 5- second is rolled
Bearing, 6- housing entrances, 7- first turbines, 8- guide housing flanges, 9- first turbine axles, 10- axial directions nozzle ring, bis- grades of whirlpools of 11-
Wheel shaft, 12- exit casings, 13- shaft couplings, 14- sleeves, the outlet of 15- exit casings, 16- generators, 17- inner flanges, 18- outward flanges,
19- axle journals, 20- axial directions nozzle ring bearing block, 21- venting shell shaft bearings, 22- first flanges, the flanges of 23- the 3rd, the methods of 24- the 4th
Orchid, 25- second flanges, 26- two-stage turbines.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present invention is to provide a kind of double dynamical output turbine of compact, further can be gone out using first turbine
Mouthful energy realize generating, efficiency is higher, can realize the maximization of exhaust gas utilization rate.
Fig. 1 to Fig. 7 is refer to, Fig. 1 is the structural representation of the double dynamical output turbine of compact provided by the present invention；Figure
2 be the structural representation of first turbine axle provided by the present invention；Fig. 3 is the structural representation of guide housing between level provided by the present invention
Figure；Fig. 4 is the structural representation of axial nozzle ring provided by the present invention；Fig. 5 is the structure of two-stage turbine axle provided by the present invention
Schematic diagram；Fig. 6 is the structural representation of exit casing provided by the present invention；Fig. 7 is the double dynamical output of compact provided by the present invention
The sectional view of turbine.
In a kind of specific embodiment of the double dynamical output turbine of compact provided by the present invention, including first turbine 7, two
Level turbine 26 and cover at first turbine 7 and two-stage turbine 26 outside casing 1.First turbine 7 is fixed and is set in one-level
On turbine wheel shaft 11, two-stage turbine 26 is fixed and is set on two-stage turbine axle 11, and the central shaft of first turbine axle 11 and two grades of whirlpools
The central shaft of wheel shaft 11 it is parallel or it is conllinear set.First turbine 7 is used to drive compressor, and the compressor can specifically be connected to one
Level turbine wheel shaft 11, two-stage turbine 26 is used to drive generator 16, and the generator 16 can specifically be connected to two-stage turbine axle 11.
It is provided with the import of first turbine 7 provided with axial nozzle ring 10 at radial nozzles ring 2, the import of two-stage turbine 26,
It is provided with to be formed between the inwall of guide housing 3 and casing 1 between guide housing 3 between level, level between axial nozzle ring 10 and first turbine 7 and uses
Enter the guide channel of axial nozzle ring 10 in guiding waste gas.First turbine 7 is specifically as follows radial-flow turbine or mixed flow turbine, two
Level turbine 26 is specifically as follows axial flow turbine.
Wherein, the wheel diameter of axial flow turbine is typically larger than the exit inside diameter of radial-flow turbine and mixed flow turbine, so level
Between guide housing 3 close to first turbine 7 diameter be less than close to two-stage turbine 26 diameter.One end profile chi of guide housing 3 between level
It is very little consistent with the outlet profile size of first turbine 7, the appearance and size of the other end and the inlet profiles size phase of axial nozzle 5
Unanimously.In order to ensure the normal work of turbocharger, the flow area of two-stage turbine 26 must be greater than first turbine 7.
Waste gas flows into casing 1 by housing entrance 6 first, afterwards into radial nozzles ring 2, radial nozzles ring 2 and casing 1 it
Between formed reduction passage, accelerate waste expansion, the waste gas after acceleration enters first turbine 7 and done work, and waste gas is through guide channel
Guiding function enter axial nozzle ring 10, the waste gas after the acceleration of axial nozzle ring 10 enters two-stage turbine 26.One-level whirlpool
Wheel 7 drives first turbine axle 11 to drive compressor, and the driving two-stage turbine of two-stage turbine 26 axle 11 drives generator 16 to generate electricity.
It can be seen that, such a double dynamical output turbine of compact passes through the first turbine 7 being arranged on not coaxial and two grades of whirlpools
Wheel 26 does work to compressor with generator 16 respectively, turbine work done can be made full use of, efficiency is higher, Neng Goushi
The maximization of existing exhaust gas utilization rate, meanwhile, first turbine 7, two-stage turbine 26 are arranged in same casing 1, and structure is more tight
Gather, space-consuming can be reduced.
Wherein, should not mistake in order to ensure that waste gas smoothly enters the axial length of guide housing 3 between axial nozzle ring 10, level
It is short, the velocity attitude that waste gas enters before axial nozzle ring 10 should be made as far as possible axially.Guide housing 3 and axial nozzle between level
Junction between ring 10, first turbine 7 is smooth, should not there is step appearance, to avoid airflow collision from losing.
Wherein, casing 1 can include setting on the circumferentially disposed circular passage of radial nozzles ring 2, the circular passage
Housing entrance 6, waste gas enters the circular passage by housing entrance 6, and subsequently into radial nozzles ring 2, circular passage can be limited
Gas flow direction, is conducive to improving the drainage efficiency of radial nozzles ring 2.
Specifically, the radial section of air guide channel can be the annular of the central shaft extended line around two-stage turbine axle 11
Face, and radial section area can be tapered by the lateral outlet side of air inlet, to ensure that waste gas flows under along press strip part.Wherein, it is right
It is air inlet side close to the side of first turbine 7 in air guide channel, is outlet side close to the side of two-stage turbine 26.
Specifically, can be provided with two-stage turbine axle 11 is used to connecting the shaft coupling 13 of generator 16, and shaft coupling 13 is by two
Level turbine wheel shaft 11 is connected with the motor shaft of generator 16, and turbine shaft work imparts power to motor shaft by shaft coupling 13 and sent out
Electricity, so that the motion of two-stage turbine axle 11 and power are effectively passed into generator 16.
Specifically, first turbine 7 can be integrated part with first turbine axle 11, to ensure first turbine 7 and first turbine
Being capable of reliably run-in synchronism between axle 11.Certainly, first turbine 7 can also pass through friction welding (FW) or other modes and one-level whirlpool
Wheel shaft 11 is joined together.
Specifically, two-stage turbine 26 can be integrated part with two-stage turbine axle 11, to ensure two-stage turbine 26 and two grades of whirlpools
Being capable of reliably run-in synchronism between wheel shaft 11.Certainly, two-stage turbine 26 can also pass through friction welding (FW) or other modes and two
Level turbine wheel shaft 11 is joined together.
On the basis of each above-mentioned embodiment, it can also include being used for waste gas in the double dynamical output turbine of the compact
Guiding and collection exit casing 12, waste gas from two-stage turbine 26 outflow after from exit casing 12 exit casing outlet 15 discharge.
Exit casing 12 is provided with venting shell shaft bearing 21, and the venting shell shaft bearing 21 is connected to two-stage turbine by the first rolling bearing 4
On the axle journal 19 at the middle part of axle 11, i.e., the outer ring of the first rolling bearing 4 is arranged in venting shell shaft bearing 21, the first rolling bearing
4 inner ring is arranged on the outer peripheral face of the axle journal 19 of two-stage turbine axle 11.First roller bearing can be carried out to two-stage turbine axle 11
Support, meanwhile, it is attached using the first rolling bearing 4, easy to maintenance, reliable operation, starting performance is good.Exit casing 12 is connected
Have gland, can specifically be bolted, gland can with that the step surface of axle journal 19 is connected on two-stage turbine axle 11 is common
Limit and step surface formed between the axial displacement of the first rolling bearing 4, the i.e. main body of axle journal 19 and two-stage turbine axle 11, gland with
The step surface is located at the axial both sides of the first rolling bearing 4 respectively, and gland can be sealed with being consolidated to the first rolling bearing 4
It is fixed, keep the position of the first rolling bearing 4 in the axial direction.
Specifically, inner flange 17 and outward flange 18 can be radially set gradually from inside to outside on axial nozzle ring 10, it is interior
Flange 17 is connected to the guide housing flange 8 on guide housing 3 between level, and exit casing 12 is provided with first flange 22, first flange 22, outer
Flange 18 is fixedly connected with casing 1, i.e., axially, and casing 1, outward flange 18 and first flange 22 set gradually and be connected to one
Rise.Wherein, the axial nozzle ring 10 of one end connection of casing 1, the other end can be fixed on the cartridge housing of compressor by flange.
Connected between each part by flange arrangement, be conducive to improving the convenience assembled and disassembled, and then be easy to being smoothed out for maintenance work.
Further, second flange 25, the 3rd flange 23 and the 4th flange 24, the second method are also provided with exit casing 12
Orchid 25 connects external exhaust gas pipeline, and the 3rd flange 23 is fixedly connected generator 16, and the 4th flange 24 is fixedly connected gland, to enter one
Step improves the convenience of dismounting.Wherein, generator 16 can be bolted sleeve 14, and the sleeve 14 is set in two grades of whirlpools
The outside of wheel shaft 11, the sleeve 14 is connected with the 3rd flange 23.
In each above-mentioned embodiment, the second rolling bearing 5 can be provided between two-stage turbine axle 11 and axial nozzle ring 10,
First rolling bearing 4 can be engaged with the second rolling bearing 5 and two-stage turbine axle 11 is supported.Wherein, axial nozzle ring
10 middle part can process one be used for install the second rolling bearing 5 outer ring axial nozzle ring bearing block 20, the second ball
The inner ring of bearing is arranged on the axle journal of an axial end portion of two-stage turbine axle 11.
Specifically, gap can be provided between level between guide housing 3 and first turbine 7, to avoid first turbine 7 from being scraped off,
Ensure turbine safe operation.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
Output turbine double dynamical to compact provided by the present invention is described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention
In the protection domain that profit is required.
Claims (10)
1. a kind of double dynamical output turbine of compact, it is characterised in that including the first turbine (7) for driving compressor,
For driving the two-stage turbine (26) of generator (16) and covering at the first turbine (7) and the two-stage turbine (26)
Outside casing (1), first turbine (7) fixed cover is on the first turbine axle (9), and the two-stage turbine (26) is fixed
It is sheathed on two-stage turbine axle (11), the central shaft of the first turbine axle (9) and the central shaft of the two-stage turbine axle (11)
It is parallel or it is conllinear set, be provided with radial nozzles ring (2) at the import of the first turbine (7), two-stage turbine (26) are entered
Provided with axial nozzle ring (10) at mouthful, guide housing between level is provided between the axial nozzle ring (10) and the first turbine (7)
(3), formed between the level between the inwall of guide housing (3) and the casing (1) for guiding waste gas to enter the axial nozzle
The guide channel of ring (10), the first turbine (7) is radial-flow turbine or mixed flow turbine, and the two-stage turbine (26) is axle stream whirlpool
Wheel.
2. the double dynamical output turbine of compact according to claim 1, it is characterised in that the radial direction of the guide channel
Section is the ring surface of the central shaft extended line around the two-stage turbine axle (11), and radial section area laterally goes out by air inlet
Gas side is tapered.
3. the double dynamical output turbine of compact according to claim 1, it is characterised in that the two-stage turbine axle (11)
It is provided with the shaft coupling (13) for being used for connecting generator (16).
4. the double dynamical output turbine of compact according to claim 1, it is characterised in that the first turbine (7) with
The first turbine axle (9) is integrated part.
5. the double dynamical output turbine of compact according to claim 1, it is characterised in that the two-stage turbine (26) with
The two-stage turbine axle (11) is integrated part.
6. the double dynamical output turbine of compact according to claim 1 to 5 any one, it is characterised in that also include
For the guiding and the exit casing (12) of collection of waste gas, the exit casing (12) is provided with venting shell shaft bearing (21), the row
Gas columella bearing (21) is connected on the axle journal (19) in the middle part of the two-stage turbine axle (11) by the first rolling bearing (4), institute
State exit casing (12) and be connected with gland, the gland can be with being connected to the axle journal (19) on the two-stage turbine axle (11)
Step surface limits the axial displacement of first rolling bearing (4) jointly.
7. the double dynamical output turbine of compact according to claim 6, it is characterised in that the axial nozzle ring (10)
On be radially sequentially provided with inner flange (17) and outward flange (18) from inside to outside, the inner flange (17) is led between being connected to the level
To the guide housing flange (8) on cover (3), the exit casing (12) is provided with first flange (22), the first flange (22), institute
Outward flange (18) is stated to be fixedly connected with the casing (1).
8. the double dynamical output turbine of compact according to claim 7, it is characterised in that on the exit casing (12) also
Provided with second flange (25), the 3rd flange (23) and the 4th flange (24), the second flange (25) connects external exhaust gas pipeline,
3rd flange (23) is fixedly connected the generator (16), and the 4th flange (24) is fixedly connected the gland.
9. the double dynamical output turbine of compact according to claim 6, it is characterised in that the two-stage turbine axle (11)
The second rolling bearing (5) is provided between the axial nozzle ring (10).
10. the double dynamical output turbine of compact according to claim 6, it is characterised in that guide housing (3) between the level
Gap is provided between the first turbine (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710330231.2A CN106939821A (en) | 2017-05-11 | 2017-05-11 | A kind of double dynamical output turbine of compact |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710330231.2A CN106939821A (en) | 2017-05-11 | 2017-05-11 | A kind of double dynamical output turbine of compact |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458250A (en) * | 2018-12-20 | 2019-03-12 | 宁波盛昕能源有限公司 | A kind of new energy turbogenerator |
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Application publication date: 20170711 |