CN207018092U - A kind of regenerator and gas turbine - Google Patents
A kind of regenerator and gas turbine Download PDFInfo
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- CN207018092U CN207018092U CN201720580469.6U CN201720580469U CN207018092U CN 207018092 U CN207018092 U CN 207018092U CN 201720580469 U CN201720580469 U CN 201720580469U CN 207018092 U CN207018092 U CN 207018092U
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- regenerator
- collecting chamber
- air
- chamber
- heat exchanger
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Abstract
The utility model discloses a kind of regenerator and gas turbine.Regenerator includes housing, the heat exchanger in housing and first annular air collecting chamber and the second annular air collecting chamber, wherein：Heat exchanger includes annular and set and with the heat exchange core for isolating cold runner and hot flow path；First annular air collecting chamber one end has a pressure-air air inlet, the other end have it is circumferentially distributed and with several inlet manifold of the inlet communication of the cold runner for the core that exchanges heat；Second annular air collecting chamber one end has a pressure-air gas outlet, the other end have it is circumferentially distributed and with several outlet manifolds of the outlet of the cold runner for the core that exchanges heat；There is the high-temperature fuel gas inlet chamber with the inlet communication of the hot flow path for the core that exchanges heat, and the high-temperature fuel gas outlet chamber with the outlet of the hot flow path for the core that exchanges heat in housing.Compared with prior art, the program can mitigate the total quality of regenerator, reach thermal balance required time so as to shorten regenerator, improve heat exchange efficiency.
Description
Technical field
Gas turbine technology field is the utility model is related to, more particularly to a kind of regenerator and gas turbine.
Background technology
Gas turbine is rotated at a high speed using the gas continuously flowed as working medium impeller, and is by the energy conversion of fuel
The internal combustion type dynamic power machine of useful work, it is a kind of rotary vane type Thermal Motor.According to the difference of structure type, gas turbine
Heavy duty gas turbine, lightweight gas turbine and miniature gas turbine can be divided into.
By taking miniature gas turbine as an example, miniature gas turbine mainly includes compressor, combustion chamber and turbine, its course of work
For：Compressor sucks air from air and compresses air, and the air after compression enters combustion chamber and fuel mixing after-combustion
High-temperature fuel gas is produced, then high-temperature fuel gas flows into expansion work in turbine, and promotes the combustion gas after turbine acting to be directly discharged to
In air, the fuel gas temperature now discharged still can reach 500 DEG C~700 DEG C.In order to make full use of the energy and improve work effect
Rate, existing gas turbine generally also include regenerator, and the combustion gas discharged for the air after compressor is compressed with turbine is entered
Row heat exchange, the exhaust heat of gas turbine on the one hand can be made full use of, on the other hand can also improve the base of combustion chambers burn
Plinth temperature.
Prior art has a drawback in that the pressure-air after being compressed due to compressor needs to be changed in regenerator
Heat, therefore the housing of regenerator needs enough thickness to carry pressure-air, so results in the total quality of regenerator
It is heavier, and then the time for causing regenerator to reach needed for thermal balance is longer, influences heat exchange efficiency.
Utility model content
The purpose of the utility model embodiment is to provide a kind of regenerator and gas turbine, to mitigate the overall matter of regenerator
Amount, reach thermal balance required time so as to shorten regenerator, improve heat exchange efficiency.
The utility model embodiment provides a kind of regenerator, including housing, the heat exchanger in housing and difference
First annular air collecting chamber and the second annular air collecting chamber positioned at heat exchanger both sides, wherein：
The heat exchanger includes annular and set and with the heat exchange core for isolating cold runner and hot flow path；
Described first annular air collecting chamber one end has a pressure-air air inlet, the other end have it is circumferentially distributed and with it is described
Several inlet manifold of the inlet communication of the cold runner of heat exchange core；
Described second annular air collecting chamber one end has a pressure-air gas outlet, the other end have it is circumferentially distributed and with it is described
Several outlet manifolds of the outlet of the cold runner of heat exchange core；
Have in the housing and set with the second annular air collecting chamber homonymy and enter with the hot flow path of the core that exchanges heat
The high-temperature fuel gas inlet chamber of mouthful connection, and set with the first annular air collecting chamber homonymy and with the hot flow path for the core that exchanges heat
Outlet high-temperature fuel gas outlet chamber.
Preferably, air inlet runner, the passage of the air inlet runner are provided with the air inlet of the high-temperature fuel gas inlet chamber
Area of section gradually increases towards the direction close to the heat exchanger.
More excellent, the air inlet runner includes shell and the inner casing being sheathed in the shell, the shell and inner casing it
Between region formed air inlet runner passage.
Further, the shell is connected close to one end of the heat exchanger with the outer wall of second annular air collecting chamber, institute
Inner casing is stated to be connected with the annular inner wall of the heat exchange core close to one end of the heat exchanger.
Optionally, the housing is provided with expansion joint close to the side of the first annular air collecting chamber；And/or the shell
Body is provided with expansion joint close to the side of second annular air collecting chamber.
Preferably, the expansion joint is bellows expansion joint.
Preferably, the expansion joint is stainless steel expansion joint.
Preferably, the heat exchanger is plate-fin heat exchanger.
In the utility model embodiment technical scheme, pressure-air enters first annular collection by pressure-air air inlet
Air cavity, and then entered by inlet manifold in heat exchanger and carry out heat exchange with the high-temperature fuel gas inputted by high-temperature fuel gas inlet chamber,
Pressure-air after heat exchange enters the second annular gas collector by outlet manifold, then discharges backheat by pressure-air gas outlet
Device, in the process, pressure-air is in the closing pipe line that first annular air collecting chamber, heat exchanger and the second annular air collecting chamber are formed
Circulate without entering in the housing of regenerator, so, the housing of regenerator can be designed by vessels not under pressure, and housing is thick
Spend relatively thin, compared with prior art, the program can mitigate the total quality of regenerator significantly, reach so as to shorten regenerator
The time required to thermal balance, heat exchange efficiency is improved.
The utility model additionally provides a kind of gas turbine, including compressor, combustion chamber, turbine and any of the above-described technology
Regenerator in scheme, the compressor connect with the pressure-air air inlet of the regenerator, the combustion chamber with described time
The pressure-air gas outlet connection of hot device, the turbine connect with the high-temperature fuel gas inlet chamber of the regenerator.
Optionally, the compressor includes centrifugal-flow compressor, axial-flow compressor or mixing streaming compressor.
The gas turbine total quality that the utility model embodiment provides is lighter, and operating efficiency is higher.
Brief description of the drawings
Fig. 1 is the utility model embodiment regenerator inner high voltage inlet air flow path schematic diagram；
Fig. 2 is that high-temperature fuel gas flows path schematic diagram in the utility model embodiment regenerator.
Reference：
10- housings
20- heat exchangers
The first annular air collecting chambers of 30-
The annular air collecting chambers of 40- second
21- heat exchange cores
31- pressure-air air inlets
32- inlet manifold
41- pressure-airs gas outlet
42- outlet manifolds
11- high-temperature fuel gas inlet chambers
12- high-temperature fuel gas outlet chambers
13- air inlet runners
14- shells
15- inner casings
16- expansion joints
Embodiment
In order to mitigate the total quality of regenerator, reach thermal balance required time so as to shorten regenerator, improve heat exchange effect
Rate, the utility model embodiment provide a kind of regenerator and gas turbine.For make the purpose of this utility model, technical scheme and
Advantage is clearer, and the utility model is described in further detail by the following examples.
As depicted in figs. 1 and 2, the regenerator that the utility model embodiment provides, including housing 10, changing in housing
Hot device 20 and the annular air collecting chamber 40 of first annular air collecting chamber 30 and second for being located at the both sides of heat exchanger 20 respectively, wherein：
Heat exchanger 20 includes annular and set and with the heat exchange core 21 for isolating cold runner and hot flow path；
First annular one end of air collecting chamber 30 has a pressure-air air inlet 31, the other end have it is circumferentially distributed and with heat exchange
Several inlet manifold 32 of the inlet communication of the cold runner of core 21；
The one end of second annular air collecting chamber 40 has a pressure-air gas outlet 41, the other end have it is circumferentially distributed and with heat exchange
Several outlet manifolds 42 of the outlet of the cold runner of core 21；
Have in housing 10 set with the homonymy of the second annular air collecting chamber 40 and with the import of the hot flow path for the core 21 that exchanges heat
The high-temperature fuel gas inlet chamber 11 of connection, and with the first annular homonymy of air collecting chamber 30 set and with exchange heat core 21 hot flow path
Outlet high-temperature fuel gas outlet chamber 12.
In the utility model embodiment technical scheme, pressure-air is entered first annular by pressure-air air inlet 31
Air collecting chamber 30, and then enter in heat exchanger 20 to enter with the high-temperature fuel gas inputted by high-temperature fuel gas inlet chamber 11 by inlet manifold 32
Row heat exchange, the pressure-air after heat exchange enter the second annular gas collector 40 by outlet manifold 42, then gone out by pressure-air
Gas port 41 discharges regenerator, and in the process, pressure-air is in first annular air collecting chamber 30,20 and second annular gas collection of heat exchanger
Circulation is without entering in the housing 10 of regenerator in the closing pipe line that chamber 40 is formed, and so, the housing of regenerator can be by non-
Pressure vessel is designed, and thickness of shell is relatively thin, and compared with prior art, the program can mitigate the entirety of regenerator significantly
Quality, reach thermal balance required time so as to shorten regenerator, improve heat exchange efficiency.
In the utility model embodiment, in the regenerator design phase, CFD (Computational Fluid can be passed through
Dynamics, computational fluid dynamics, abbreviation CFD) the first annular annular air collecting chamber 40 of air collecting chamber 30 and second is emulated
Analysis, to obtain that the physical dimension of high-pressure air pressure loss can be reduced to greatest extent.The particular type of heat exchanger 20 is unlimited,
In preferred embodiment example of the present utility model, heat exchanger 20 is plate-fin heat exchanger.
In preferred embodiment example of the present utility model, air inlet runner is provided with the air inlet of high-temperature fuel gas inlet chamber 11
13, the cross sectional area of air inlet runner 13 gradually increases towards the direction close to heat exchanger 20.Using the technical scheme, above-mentioned knot
The air inlet runner 13 of structure can be equivalent to diffuser pipe, and high-temperature fuel gas can when entering high-temperature fuel gas inlet chamber 11 by air inlet runner 13
Realize the purpose of deceleration diffusion.More excellent, air inlet runner 13 includes shell 14 and the inner casing 15 being sheathed in shell, the He of shell 14
Region between inner casing 15 forms the passage of air inlet runner 13.By setting inner casing 15 so that high-temperature fuel gas enters high-temperature fuel gas
Thermic load during inlet chamber 11 is buffered, and is avoided heat exchanging device 20 from causing directly to impact, is improved the reliable operation of regenerator
Property.
Further, shell 14 is connected close to one end of heat exchanger 20 with the outer wall of the second annular air collecting chamber 40, and inner casing 15 leans on
One end of nearly heat exchanger 20 is connected with the annular inner wall for the core 21 that exchanges heat.Using the technical scheme, shell 14 is close to heat exchanger
20 one end is connected the axial length that can effectively reduce regenerator with the outer wall of the second annular air collecting chamber 40, so as to further subtract
The total quality of light regenerator；Inner casing 15 is connected and can kept away with the annular inner wall for the core 21 that exchanges heat close to one end of heat exchanger 20
Exempt from the endoporus that high-temperature fuel gas is directly defined by the core 21 that exchanges heat and enter high-temperature fuel gas outlet chamber 12, cause thermal loss.
In preferred embodiment of the present utility model, housing 10 is provided with expansion close to the side of first annular air collecting chamber 30
Section 16, to compensate first annular air collecting chamber 30 in regenerator, the second annular air collecting chamber 40, heat exchanger 20 and high-temperature fuel gas air inlet
Chamber 11 and high-temperature fuel gas outlet chamber 12 improve regenerator due to additional stress caused by the reasons such as temperature change and machine error
Functional reliability.It should be noted that housing 10 can also set expansion joint 16 close to the side of the second annular air collecting chamber 40.
Specifically, in the utility model embodiment, expansion joint 16 can be selected can be along the flexible bellows of the axial direction of regenerator
Expansion joint, to be compensated to the deformation of the axial length of regenerator.Preferably, expansion joint 16 is stainless steel expansion joint, stainless steel
Plasticity it is preferable while more corrosion-resistant, can be thinned relatively using its thickness during stainless steel expansion joint, so as to further mitigate
The total quality of regenerator.
The utility model additionally provides a kind of gas turbine, including compressor, combustion chamber, turbine and any of the above-described technology
Regenerator in scheme, compressor connect with the pressure-air air inlet of regenerator, and the pressure-air of combustion chamber and regenerator goes out
Gas port connects, and turbine connects with the high-temperature fuel gas inlet chamber of regenerator.The gas turbine that the utility model embodiment provides is overall
Lighter weight, operating efficiency are higher.Wherein, the particular type of compressor is unlimited, such as can be centrifugal-flow compressor, axial-flow type
Compressor or mixing streaming compressor.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of regenerator, it is characterised in that heat exchanger including housing, in housing and be located at heat exchanger both sides respectively
First annular air collecting chamber and the second annular air collecting chamber, wherein：
The heat exchanger includes annular and set and with the heat exchange core for isolating cold runner and hot flow path；
Described first annular air collecting chamber one end has a pressure-air air inlet, the other end have it is circumferentially distributed and with the heat exchange
Several inlet manifold of the inlet communication of the cold runner of core；
Described second annular air collecting chamber one end has a pressure-air gas outlet, the other end have it is circumferentially distributed and with the heat exchange
Several outlet manifolds of the outlet of the cold runner of core；
Have in the housing and set with the second annular air collecting chamber homonymy and connect with the import of the hot flow path for the core that exchanges heat
Logical high-temperature fuel gas inlet chamber, and set with the first annular air collecting chamber homonymy and go out with the hot flow path for the core that exchanges heat
The high-temperature fuel gas outlet chamber of mouth connection.
2. regenerator as claimed in claim 1, it is characterised in that be provided with the air inlet of the high-temperature fuel gas inlet chamber into
Flow channel, the cross sectional area of the air inlet runner gradually increase towards the direction close to the heat exchanger.
3. regenerator as claimed in claim 2, it is characterised in that the air inlet runner includes shell and is sheathed on the shell
Interior inner casing, the region between the shell and inner casing form the passage of air inlet runner.
4. regenerator as claimed in claim 3, it is characterised in that the shell is close to one end of the heat exchanger and described the
The outer wall connection of second ring air collecting chamber, the inner casing is close to one end of the heat exchanger and the annular inner wall of the heat exchange core
Connection.
5. regenerator as claimed in claim 1, it is characterised in that the housing is close to the side of the first annular air collecting chamber
It is provided with expansion joint；And/or the housing is provided with expansion joint close to the side of second annular air collecting chamber.
6. regenerator as claimed in claim 5, it is characterised in that the expansion joint is bellows expansion joint.
7. regenerator as claimed in claim 5, it is characterised in that the expansion joint is stainless steel expansion joint.
8. the regenerator as described in any one of claim 1~7, it is characterised in that the heat exchanger is plate-fin heat exchanger.
9. a kind of gas turbine, it is characterised in that including compressor, combustion chamber, turbine and such as any one of claim 1~8
Described regenerator, the compressor connect with the pressure-air air inlet of the regenerator, the combustion chamber and the backheat
The pressure-air gas outlet connection of device, the turbine connect with the high-temperature fuel gas inlet chamber of the regenerator.
10. gas turbine as claimed in claim 9, it is characterised in that the compressor includes centrifugal-flow compressor, axial-flow type
Compressor or mixing streaming compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580469.6U CN207018092U (en) | 2017-05-23 | 2017-05-23 | A kind of regenerator and gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720580469.6U CN207018092U (en) | 2017-05-23 | 2017-05-23 | A kind of regenerator and gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018092U true CN207018092U (en) | 2018-02-16 |
Family
ID=61476470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720580469.6U Active CN207018092U (en) | 2017-05-23 | 2017-05-23 | A kind of regenerator and gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018092U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044347A (en) * | 2017-05-23 | 2017-08-15 | 上海泛智能源装备有限公司 | A kind of regenerator and gas turbine |
| CN114543119A (en) * | 2022-02-28 | 2022-05-27 | 浙江意动科技股份有限公司 | Spiral plate type heat regenerator |
-
2017
- 2017-05-23 CN CN201720580469.6U patent/CN207018092U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044347A (en) * | 2017-05-23 | 2017-08-15 | 上海泛智能源装备有限公司 | A kind of regenerator and gas turbine |
| CN107044347B (en) * | 2017-05-23 | 2019-09-17 | 新奥能源动力科技（上海）有限公司 | A kind of regenerator and gas turbine |
| CN114543119A (en) * | 2022-02-28 | 2022-05-27 | 浙江意动科技股份有限公司 | Spiral plate type heat regenerator |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee after: New Austrian energy power technology (Shanghai) Co., Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee before: Shanghai wisdom energy equipment Co., Ltd. |