CN205823453U - It is capable of the small size gas turbine of extraction cycle - Google Patents
It is capable of the small size gas turbine of extraction cycle Download PDFInfo
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- CN205823453U CN205823453U CN201620585725.6U CN201620585725U CN205823453U CN 205823453 U CN205823453 U CN 205823453U CN 201620585725 U CN201620585725 U CN 201620585725U CN 205823453 U CN205823453 U CN 205823453U
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- heat exchanger
- turbine
- primary surface
- surface heat
- combustion chamber
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Abstract
The utility model discloses a kind of small size gas turbine being capable of extraction cycle, including toroidal combustion chamber, compressor, turbine, the periphery of toroidal combustion chamber is provided with primary surface heat exchanger；The entrance of the Cryogenic air passage of primary surface heat exchanger is connected with diffuser, and the ring cavity between primary surface heat exchanger and toroidal combustion chamber is led in the outlet of the Cryogenic air passage of primary surface heat exchanger；The outer wall of toroidal combustion chamber offers the through hole of connection toroidal combustion chamber inner chamber；The high-temperature fuel gas passage of primary surface heat exchanger is connected with the outlet of gas deflation assembly by many off-gas recovery pipelines；Fluid in the Cryogenic air passage of primary surface heat exchanger can carry out heat exchange with the fluid in high-temperature fuel gas passage.This utility model combines gas turbine on the basis of simple cycle and is additionally arranged primary surface heat exchanger, it is possible to reduce the demand of fuel quantity, so that the thermal efficiency of gas turbine relatively simple cycle gets a promotion.
Description
Technical field
This utility model relates to a kind of gas turbine, is specifically related to a kind of small gas wheel being capable of extraction cycle
Machine.
Background technology
Along with the needs of the environmental situation that energy supply anxiety and improvement in world wide go from bad to worse, gas turbine
In the world, each Main Developed Countries has obtained great attention.But the small size gas turbine that power is between 1MW～5MW due to
Its inferior position in simple cycle efficiency so that it is the most slightly inferior in face of the internal combustion engine that pollutant emission is far more than it, for this
Need, in the case of keeping the advantages such as its discharge, to increase its thermal efficiency, to meet the demand in market.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of small size gas turbine being capable of extraction cycle,
The waste heat of the high-temperature flue gas that gas turbine is discharged can be recycled by it, improves generating efficiency.
For solving above-mentioned technical problem, this utility model is capable of the technology of the small size gas turbine of extraction cycle and solves
Scheme is:
Including toroidal combustion chamber 6, compressor 3, turbine 5, the impeller of compressor 3 is fixedly and coaxially connected with turbine 5；Turbine 5
Blade-side be provided with toroidal combustion chamber 6；The rear side of turbine 5 is provided with gas deflation assembly 7；The impeller outer ring of compressor 3 is provided with
Inlet casing, forms air inlet runner between inlet casing and impeller；The port of export of air inlet runner is provided with diffuser 11；Annular combustion
The periphery burning room 6 is provided with primary surface heat exchanger 10；The inner ring of the outer wall of toroidal combustion chamber 6 and primary surface heat exchanger 10 it
Between formed ring cavity；The entrance of the Cryogenic air passage of primary surface heat exchanger 10 is connected with diffuser 11, one-time surface heat exchanging
The ring cavity between primary surface heat exchanger 10 and toroidal combustion chamber 6 is led in the outlet of the Cryogenic air passage of device 10；Annular firing
The outer wall of room 6 offers the through hole of connection toroidal combustion chamber inner chamber；The high-temperature fuel gas passage of primary surface heat exchanger 10 is by many
Root off-gas recovery pipeline 9 is connected with the outlet of gas deflation assembly 7；Fluid in the Cryogenic air passage of primary surface heat exchanger 10
Heat exchange can be carried out with the fluid in high-temperature fuel gas passage.
Described primary surface heat exchanger 10 is annular；Many off-gas recovery pipelines 9 are circumferentially distributed in one-time surface heat exchanging
The annular end face of device 10.
Regulation valve 8 it is provided with on every described off-gas recovery pipeline 9.
Described turbine 5 is open type centripetal turbine.
The impeller of described compressor 3 and turbine 5 are back to back structure.
It is fixedly installed directional nozzle ring 4 between blade and the toroidal combustion chamber 6 of described turbine 5.
What this utility model can reach has the technical effect that
This utility model combines gas turbine on the basis of simple cycle and is additionally arranged primary surface heat exchanger, utilizes and discharges
The waste-heat of high-temperature flue gas from diffuser pressure-air out, it is possible to reduce the demand of fuel quantity, so that combustion gas wheel
The thermal efficiency of machine relatively simple cycle gets a promotion.
This utility model compact conformation, size are little, lightweight.
Accompanying drawing explanation
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram that this utility model is capable of the small size gas turbine of extraction cycle；
Fig. 2 is the schematic diagram of A-A in Fig. 1.
Description of reference numerals in figure:
1 is output shaft, and 2 is gear-box,
3 is compressor, and 4 is directional nozzle ring,
5 is turbine, and 6 is toroidal combustion chamber,
7 is gas deflation assembly, and 8 is regulation valve,
9 is off-gas recovery pipeline, and 10 is primary surface heat exchanger,
11 is diffuser.
Detailed description of the invention
As shown in Figure 1 and Figure 2, this utility model is capable of the small size gas turbine of extraction cycle, including toroidal combustion chamber
6, compressor 3, turbine 5, the impeller of compressor 3 is arranged in inlet plenum, and inlet plenum is connected with ambient atmosphere；
The impeller of compressor 3 is fixedly and coaxially connected with turbine 5；Turbine 5 is open type centripetal turbine；The blade-side of turbine 5 sets
It is equipped with toroidal combustion chamber 6；It is fixedly installed directional nozzle ring 4 between blade and the toroidal combustion chamber 6 of turbine 5；The leaf of compressor 3
Take turns the output shaft 1 being connected gear-box 2 by shaft coupling；The rear side of turbine 5 is provided with gas deflation assembly 7；
The impeller of compressor 3 and turbine 5 are back to back structure；
The impeller outer ring of compressor 3 is provided with inlet casing, forms air inlet runner between inlet casing and impeller；Inlet air flow
The port of export in road is provided with diffuser 11, and diffuser 1 is fixedly installed in diffuser casing；
The periphery of toroidal combustion chamber 6 is provided with primary surface heat exchanger 10；The outer wall of toroidal combustion chamber 6 changes with one-time surface
Ring cavity is formed between the inner ring of hot device 10；
The entrance of the Cryogenic air passage of primary surface heat exchanger 10 is connected with diffuser 11, primary surface heat exchanger 10
High-temperature fuel gas passage be connected with the outlet of gas deflation assembly 7 by many off-gas recovery pipelines 9；
Primary surface heat exchanger 10 and toroidal combustion chamber 6 are led in the outlet of the Cryogenic air passage of primary surface heat exchanger 10
Between ring cavity；The outer wall of toroidal combustion chamber 6 offers the through hole of connection toroidal combustion chamber inner chamber；
Primary surface heat exchanger 10 is annular；Many off-gas recovery pipelines 9 are circumferentially distributed in primary surface heat exchanger 10
Annular end face；
Regulation valve 8 it is provided with on every off-gas recovery pipeline 9.
Operation principle of the present utility model is as follows:
After extraneous fresh air enters the inlet plenum of compressor, being introduced into air inlet runner, the impeller of compressor 3 is rotating
During produce centrifugal force air-flow radially pushed to inlet casing, thus produce the effect of pressurization；Once after pressurization
Air-flow enters diffuser 11, and the kinetic energy of air-flow is converted to static energy by diffuser 11, forms pressure-air；
The Cryogenic air passage of primary surface heat exchanger 10 is entered, through one-time surface by diffuser 11 pressure-air out
Ring cavity and the through hole of toroidal combustion chamber 6 outer wall between heat exchanger 10 and toroidal combustion chamber 6 are indoor radially into annular firing
Chamber, carries out burning in toroidal combustion chamber 6 and becomes high-temperature high-pressure fuel gas；The high-temperature high-pressure fuel gas flowed out from toroidal combustion chamber 6 pushes away
The blade of dynamic turbine 5, makes turbine 5 rotate；Turbine 5 drives the impeller synchronous rotary of compressor 3, the biography of last driven gear case 2
Moving axis 1 rotates, thus converts thermal energy into mechanical energy；
The high-temperature flue gas produced after high-temperature high-pressure fuel gas work is discharged by gas deflation assembly 7, enters through off-gas recovery pipeline 9
Enter the high-temperature fuel gas passage of primary surface heat exchanger 10；High-temperature flue gas is in primary surface heat exchanger 10 and in Cryogenic air passage
Pressure-air carry out discharging after heat exchange.
By controlling to regulate on off-gas recovery pipeline 9 aperture of valve 8, it is possible to the ratio of backheat is adjusted.
Primary surface heat exchanger 10 of the present utility model can not only realize Waste Heat Recovery, and can play and contain ring
Effect.Primary surface heat exchanger 10 of the present utility model is integrally forming with gas turbine, compact conformation, has not only improve efficiency but also not
Lose small size gas turbine volume advantage little, lightweight.
This utility model is applicable to the emergent plurality of energy supplies occasion such as occasion and distributing-supplying-energy system.
Claims (6)
1. the small size gas turbine being capable of extraction cycle, it is characterised in that: include toroidal combustion chamber (6), compressor
(3), turbine (5), the impeller of compressor (3) is fixedly and coaxially connected with turbine (5)；The blade-side of turbine (5) is provided with annular combustion
Burn room (6)；The rear side of turbine (5) is provided with gas deflation assembly (7)；
The impeller outer ring of compressor (3) is provided with inlet casing, forms air inlet runner between inlet casing and impeller；Air inlet runner
The port of export be provided with diffuser (11)；
The periphery of toroidal combustion chamber (6) is provided with primary surface heat exchanger (10)；The outer wall of toroidal combustion chamber (6) and one-time surface
Ring cavity is formed between the inner ring of heat exchanger (10)；
The entrance of the Cryogenic air passage of primary surface heat exchanger (10) is connected with diffuser (11), primary surface heat exchanger
(10) ring cavity between primary surface heat exchanger (10) and toroidal combustion chamber (6) is led in the outlet of Cryogenic air passage；Annular
The outer wall of combustor (6) offers the through hole of connection toroidal combustion chamber inner chamber；
The high-temperature fuel gas passage of primary surface heat exchanger (10) is gone out by many off-gas recovery pipelines (9) and gas deflation assembly (7)
Mouth is connected；
Fluid in the Cryogenic air passage of primary surface heat exchanger (10) can carry out heat with the fluid in high-temperature fuel gas passage
Exchange.
The small size gas turbine being capable of extraction cycle the most according to claim 1, it is characterised in that: a described table
Face heat exchanger (10) is annular；Many off-gas recovery pipelines (9) are circumferentially distributed in the annular end of primary surface heat exchanger (10)
Face.
The small size gas turbine being capable of extraction cycle the most according to claim 1, it is characterised in that: every described cigarette
Regulation valve (8) it is provided with on gas recovery channel (9).
The small size gas turbine being capable of extraction cycle the most according to claim 1, it is characterised in that: described turbine
(5) it is open type centripetal turbine.
The small size gas turbine being capable of extraction cycle the most according to claim 1, it is characterised in that: described compressor
(3) impeller and turbine (5) are back to back structure.
The small size gas turbine being capable of extraction cycle the most according to claim 1, it is characterised in that: described turbine
(5) it is fixedly installed directional nozzle ring (4) between blade and toroidal combustion chamber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585725.6U CN205823453U (en) | 2016-06-16 | 2016-06-16 | It is capable of the small size gas turbine of extraction cycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620585725.6U CN205823453U (en) | 2016-06-16 | 2016-06-16 | It is capable of the small size gas turbine of extraction cycle |
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| Publication Number | Publication Date |
|---|---|
| CN205823453U true CN205823453U (en) | 2016-12-21 |
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ID=57568971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620585725.6U Active CN205823453U (en) | 2016-06-16 | 2016-06-16 | It is capable of the small size gas turbine of extraction cycle |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057969A (en) * | 2018-08-08 | 2018-12-21 | 北京航空航天大学 | A kind of miniature gas turbine |
| CN109113871A (en) * | 2018-10-15 | 2019-01-01 | 上海和兰透平动力技术有限公司 | Regenerative-type gas turbine |
| CN112031939A (en) * | 2020-09-04 | 2020-12-04 | 上海和兰透平动力技术有限公司 | Interstage sealing device between compressor and turbine rotor of small gas turbine |
-
2016
- 2016-06-16 CN CN201620585725.6U patent/CN205823453U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109057969A (en) * | 2018-08-08 | 2018-12-21 | 北京航空航天大学 | A kind of miniature gas turbine |
| CN109113871A (en) * | 2018-10-15 | 2019-01-01 | 上海和兰透平动力技术有限公司 | Regenerative-type gas turbine |
| CN109113871B (en) * | 2018-10-15 | 2024-03-15 | 上海和兰透平动力技术有限公司 | Gas turbine of the regenerative type |
| CN112031939A (en) * | 2020-09-04 | 2020-12-04 | 上海和兰透平动力技术有限公司 | Interstage sealing device between compressor and turbine rotor of small gas turbine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |