CN109441640A - A kind of plate-fin recuperator shell for helium turbine - Google Patents
A kind of plate-fin recuperator shell for helium turbine Download PDFInfo
- Publication number
- CN109441640A CN109441640A CN201811591661.0A CN201811591661A CN109441640A CN 109441640 A CN109441640 A CN 109441640A CN 201811591661 A CN201811591661 A CN 201811591661A CN 109441640 A CN109441640 A CN 109441640A
- Authority
- CN
- China
- Prior art keywords
- cavity
- shell
- helium
- plate
- cold air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000001307 helium Substances 0.000 title claims abstract description 56
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 56
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000007789 gas Substances 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000003466 welding Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
A kind of plate-fin recuperator shell for helium turbine, it is related to a kind of plate-fin recuperator shell.The problem of the invention aims to solve regenerator inner space to be unable to fully utilize, helium distribution is uneven, and the heat exchange efficiency of regenerator is lower, the welding difficulty of the excessive increase fin of core volume.A kind of plate-fin recuperator shell for helium turbine is made of shell, the first cold air air inlet pipe, the second cold air air inlet pipe, the first cold air escape pipe, the second cold air escape pipe, hot gas escape pipe, hot gas air inlet pipe and partition, the cross-sectional outer is trapezoidal, the first cavity and the second cavity is arranged in interior of shell elongatedness direction, and first cavity and the second cavity be set side by side, partition is set between the first cavity and the second cavity, and first cavity and the second cavity is cuboid cavity.The present invention is suitable for the plate-fin recuperator shell of helium turbine.
Description
Technical field
The present invention relates to a kind of plate-fin recuperator shells.
Background technique
Helium turbine regenerator is arranged between helium turbine high-pressure compressor and turbine, the limit by outer housing size
System, while entering the inflow tube of turbine and the pipeline limit of low-temperature helium disengaging regenerator from reactor in view of high temperature helium
System, is arranged as multiple modules for regenerator, is evenly arranged in helium turbine shell.Existing single module regenerator shell section is
It is trapezoidal, but regenerator core can not be consistent with single module regenerator shell mechanism, causes regenerator inner space that can not fill
Divide and utilize, and there are helium to distribute unevenly for existing helium turbine regenerator, the heat exchange efficiency of helium turbine regenerator is lower
The problem of (85%~90%), the welding difficulty of the excessive increase fin of core volume.
Summary of the invention
The invention aims to solve regenerator inner space to be unable to fully utilize, helium distribution is uneven, regenerator
The problem of heat exchange efficiency is lower, the welding difficulty of the excessive increase fin of core volume, and provide a kind of for helium turbine
Plate-fin recuperator shell.
A kind of plate-fin recuperator shell for helium turbine is by shell, the first cold air air inlet pipe, the second cold air air inlet
Pipe, the first cold air escape pipe, the second cold air escape pipe, hot gas escape pipe, hot gas air inlet pipe and partition composition, the shell are horizontal
Section is trapezoidal, interior of shell elongatedness direction the first cavity of setting and the second cavity, and the first cavity and the second cavity are arranged side by side
Partition is arranged in setting between the first cavity and the second cavity, and first cavity and the second cavity is cuboid cavity；Institute
The cross section side length for the first cavity stated is respectively L1And K1；The cross section side length of second cavity is respectively L2And K2；Institute
The L stated1:K1=1:(0.7~0.8)；The L2:K2=1:(0.9~1.0)；The L1:K2=1:(0.7~0.8)；
Hot gas escape pipe, outer casing bottom setting and hot gas air inlet pipe is arranged in the cover top portion, and the first cavity top is set
The first cold air air inlet pipe is set, the first cold air escape pipe is arranged in the first cavity lower part, and the second cold air air inlet is arranged in the second cavity top
The second cold air escape pipe is arranged in pipe, the second cavity lower part.
The invention has the advantages that
1, according to the General Arrangement Scheme of regenerator module, the design size of single module regenerator can be determined.It examines simultaneously
Consider helium more uniform can flow in regenerator core segment, and single module regenerator structure is designed to both ends air inlet pattern,
Regenerator single module is divided into two little modules again and is designed calculating, and two little modules are separated with partition.
2, since regenerator shell section is trapezoidal, and existing regenerator core can not be consistent with shell structure, because
This regenerator inner space is unable to fully utilize, and the excessive welding difficulty that will increase fin of core volume, therefore, this hair
Bright that regenerator is designed as two modules, i.e. core is respectively set in the first cavity 1-1 and the second cavity 1-2, reduces single
Core volume improves fin welding procedure.
3, since the structure of two modules meets regenerator shell as far as possible, regenerator inner space is made full use of, is increased
Heat exchange area can effectively solve the problems, such as that helium distribution is non-uniform, improve helium although arranging in structure complicated
The heat exchange efficiency of turbine regenerator.
4, existing regenerator due to core volume it is excessive, when entering gas along regenerator cross-wise direction, gas is first
It is uneven in lateral distance generation air flow method, cause regenerator module heat exchange efficiency lower, the present invention is set by two modules
Meter reduces single core volume, reduces air-flow flow distance, improves temperature distribution evenness, increases heat exchange efficiency.
5, a kind of plate-fin recuperator shell heat exchange efficiency for helium turbine of the present invention is 95% or more.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the plate-fin recuperator shell for helium turbine of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction A-A；
Fig. 3 is a kind of sectional view of the plate-fin recuperator shell for helium turbine of the present invention；
Fig. 4 is the rearview of Fig. 1.
Specific embodiment
Specific embodiment 1: present embodiment is a kind of plate-fin backheat for helium turbine in conjunction with Fig. 1 to Fig. 4
Device shell is by shell 1, the first cold air air inlet pipe 2-1, the second cold air air inlet pipe 2-2, the first cold air escape pipe 3-1, the second cold air
Escape pipe 3-2, hot gas escape pipe 4, hot gas air inlet pipe 5 and partition 6 form, 1 cross section of shell be it is trapezoidal, in shell 1
The first cavity 1-1 and the second cavity 1-2 is arranged in portion elongatedness direction, and the first cavity 1-1 and the second cavity 1-2 are set side by side,
Partition 6 is set between first cavity 1-1 and the second cavity 1-2, and the first cavity 1-1 and the second cavity 1-2 is rectangular
Body cavity；The cross section side length of the first cavity 1-1 is respectively L1And K1；The cross section side length of the second cavity 1-2
Respectively L2And K2；The L1:K1=1:(0.7~0.8)；The L2:K2=1:(0.9~1.0)；The L1:K2=1:
(0.7~0.8)；
Hot gas escape pipe 4, the setting of 1 bottom of shell and hot gas air inlet pipe 5, the first cavity 1-1 are set at the top of the shell 1
The first cold air air inlet pipe 2-1 is arranged in top, and the first lower part cavity 1-1 is arranged on the first cold air escape pipe 3-1, the second cavity 1-2
The second cold air air inlet pipe 2-2 is arranged in portion, and the second cold air escape pipe 3-2 is arranged in the second lower part cavity 1-2.
Present embodiment advantage:
1, according to the General Arrangement Scheme of regenerator module, the design size of single module regenerator can be determined.It examines simultaneously
Consider helium more uniform can flow in regenerator core segment, and single module regenerator structure is designed to both ends air inlet pattern,
Regenerator single module is divided into two little modules again and is designed calculating, and two little modules are separated with partition.
2, since regenerator shell section is trapezoidal, and existing regenerator core can not be consistent with shell structure, because
This regenerator inner space is unable to fully utilize, and the excessive welding difficulty that will increase fin of core volume, therefore, this tool
Regenerator is designed as two modules by body embodiment party, i.e. the first cavity 1-1 and the second cavity 1-2 are respectively set core, subtract
Few single core volume, improves fin welding procedure.
3, since the structure of two modules meets regenerator shell as far as possible, regenerator inner space is made full use of, is increased
Heat exchange area can effectively solve the problems, such as that helium distribution is non-uniform, improve helium although arranging in structure complicated
The heat exchange efficiency of turbine regenerator.
4, existing regenerator due to core volume it is excessive, when entering gas along regenerator cross-wise direction, gas is first
It is uneven in lateral distance generation air flow method, cause regenerator module heat exchange efficiency lower, present embodiment passes through two
A module design reduces single core volume, reduces air-flow flow distance, improves temperature distribution evenness, increases heat exchange effect
Rate.
5, a kind of plate-fin recuperator shell heat exchange efficiency for helium turbine of this specific embodiment party is 95% or more.
Specific embodiment 2: the difference of present embodiment and specific embodiment one is: the L1:K1=1:
(0.7~0.73).Other are same as the specific embodiment one.
Specific embodiment 3: one of present embodiment and specific embodiment one or two difference are: the L2:K2
=1:(0.9~0.995).Other are the same as one or two specific embodiments.
Specific embodiment 4: one of present embodiment and specific embodiment one to three difference are: the L1:K2
=1:(0.7~0.79).Other are identical as specific embodiment one to three.
Specific embodiment 5: one of present embodiment and specific embodiment one to four difference are: described first
The cross section side length L of cavity 1-11For 547mm, side length K1For 398mm.Other are identical as specific embodiment one to four.
Specific embodiment 6: one of present embodiment and specific embodiment one to five difference are: described second
The cross section side length L of cavity 1-22For 435mm, side length K2For 433mm.Other are not identical as specific embodiment one to five.
Specific embodiment 7: one of present embodiment and specific embodiment one to six difference are: described first
Cavity 1-1 cold end helium gas flow is 4.6kg/s, and hot end helium gas flow is 4.63kg/s.Other and specific embodiment one to six
It is identical.
Specific embodiment 8: one of present embodiment and specific embodiment one to seven difference are: described second
Cavity 1-2 cold end helium gas flow is 3.98kg/s, and hot end helium gas flow is 4kg/s.Other and one to seven phase of specific embodiment
Together.
Using following verification experimental verifications effect of the present invention:
Embodiment one: in conjunction with Fig. 1 to Fig. 4, a kind of plate-fin recuperator shell for helium turbine of the present embodiment is by outer
Shell 1, the first cold air air inlet pipe 2-1, the second cold air air inlet pipe 2-2, the first cold air escape pipe 3-1, the second cold air escape pipe 3-2,
Hot gas escape pipe 4, hot gas air inlet pipe 5 and partition 6 form, and 1 cross section of shell is trapezoidal, 1 Inner elongate degree side of shell
To setting the first cavity 1-1 and the second cavity 1-2, and the first cavity 1-1 and the second cavity 1-2 are set side by side, the first cavity 1-1
Partition 6 is set between the second cavity 1-2, and the first cavity 1-1 and the second cavity 1-2 is cuboid cavity；It is described
The cross section side length of the first cavity 1-1 be respectively L1And K1；The cross section side length of the second cavity 1-2 is respectively L2And
K2；L1For 547mm, K1For 398mm；L2For 435mm, K2For 433mm；
Hot gas escape pipe 4, the setting of 1 bottom of shell and hot gas air inlet pipe 5, the first cavity 1-1 are set at the top of the shell 1
The first cold air air inlet pipe 2-1 is arranged in top, and the first lower part cavity 1-1 is arranged on the first cold air escape pipe 3-1, the second cavity 1-2
The second cold air air inlet pipe 2-2 is arranged in portion, and the second cold air escape pipe 3-2 is arranged in the second lower part cavity 1-2.
Helium turbine regenerator is arranged between helium turbine compressor and turbine, is limited by outer housing size, together
When in view of high temperature helium from reactor enter turbine inflow tube and low-temperature helium disengaging regenerator pipeline limit, will return
Hot device is arranged as 18 modules, each module using described in the present embodiment for the plate-fin recuperator shell of helium turbine and
Core composition, the core are plate-fin core；
Plate-fin core, and two plate-fin core body high-temperature runners are respectively set in first cavity 1-1 and the second cavity 1-2
Be connected with hot gas escape pipe 4 and hot gas air inlet pipe 5, in the first cavity 1-1 plate-fin core low temperature runner and the first cold air into
Tracheae 2-1 and the first cold air escape pipe 3-1 are connected, in the second cavity 1-2 plate-fin core low temperature runner and the second cold air into
Tracheae 2-2 and the second cold air escape pipe 3-2 are connected.
First cavity 1-1: cold end helium gas flow is 4.6kg/s, and hot end helium gas flow is 4.63kg/s.To the first cavity 1-
1 carries out heat exchange efficiency calculating, as shown in table 1 below.
Second cavity 1-2: cold end helium gas flow is 3.98kg/s, and hot end helium gas flow is 4kg/s.
Table 1
The heat exchange efficiency of the present embodiment helium turbine regenerator can reach 95%.
Claims (8)
1. a kind of plate-fin recuperator shell for helium turbine, feature is in a kind of plate-fin backheat for helium turbine
Device shell by shell (1), the first cold air air inlet pipe (2-1), the second cold air air inlet pipe (2-2), the first cold air escape pipe (3-1),
Second cold air escape pipe (3-2), hot gas escape pipe (4), hot gas air inlet pipe (5) and partition (6) composition, the shell (1) are horizontal
Section be it is trapezoidal, the first cavity (1-1) and the second cavity (1-2), and the first cavity is arranged in shell (1) Inner elongate degree direction
(1-1) and the second cavity (1-2) are set side by side, and partition (6) are arranged between the first cavity (1-1) and the second cavity (1-2), and institute
The first cavity (1-1) and the second cavity (1-2) stated are cuboid cavity；The cross section side length of first cavity (1-1)
Respectively L1And K1；The cross section side length of second cavity (1-2) is respectively L2And K2；The L1:K1=1:(0.7~
0.8)；The L2:K2=1:(0.9~1.0)；The L1:K2=1:(0.7~0.8)；
Hot gas escape pipe (4) are set at the top of the shell (1), the setting of shell (1) bottom and hot gas air inlet pipe (5), first is empty
The first cold air air inlet pipe (2-1) is arranged in the chamber top (1-1), and the first cold air escape pipe (3-1) is arranged in the first cavity lower part (1-1),
The second cold air air inlet pipe (2-2) is arranged in the second cavity top (1-2), and the second cold air escape pipe is arranged in the second cavity lower part (1-2)
(3-2)。
2. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
L1:K1=1:(0.7~0.73).
3. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
L2:K2=1:(0.9~0.995).
4. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
L1:K2=1:(0.7~0.79).
5. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
The cross section side length L of first cavity (1-1)1For 547mm, side length K1For 398mm.
6. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
The cross section side length L of second cavity (1-2)2For 435mm, side length K2For 433mm.
7. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
First cavity (1-1) cold end helium gas flow is 4.6kg/s, and hot end helium gas flow is 4.63kg/s.
8. a kind of plate-fin recuperator shell for helium turbine according to claim 1, it is characterised in that described
Second cavity (1-2) cold end helium gas flow is 3.98kg/s, and hot end helium gas flow is 4kg/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591661.0A CN109441640B (en) | 2018-12-25 | 2018-12-25 | Plate-fin regenerator shell for helium turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591661.0A CN109441640B (en) | 2018-12-25 | 2018-12-25 | Plate-fin regenerator shell for helium turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109441640A true CN109441640A (en) | 2019-03-08 |
| CN109441640B CN109441640B (en) | 2020-11-06 |
Family
ID=65535532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591661.0A Active CN109441640B (en) | 2018-12-25 | 2018-12-25 | Plate-fin regenerator shell for helium turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441640B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827796A (en) * | 2019-03-29 | 2019-05-31 | 北京航空航天大学 | A test bench for performance testing of micro gas turbine regenerator units |
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| CN2097998U (en) * | 1991-07-15 | 1992-03-04 | 沈阳黎明发动机制造公司工程机械厂 | Unequal-sectional plate type heat exchanger |
| JPH06281368A (en) * | 1993-03-31 | 1994-10-07 | Sumitomo Cement Co Ltd | Packed bed type heat exchanger |
| JP2006177621A (en) * | 2004-12-22 | 2006-07-06 | Denso Corp | Heat exchanger |
| CN1936302A (en) * | 2006-10-13 | 2007-03-28 | 西安交通大学 | Process for processing ring-shape original surface heat regenerator for minisize gas turbine |
| CN101245947A (en) * | 2007-11-30 | 2008-08-20 | 华南理工大学 | A heat exchanger for a plate type gas water heater |
| CN205897945U (en) * | 2016-07-22 | 2017-01-18 | 新乡豫新车辆换热设备股份有限公司 | Plate finned heat exchanger |
-
2018
- 2018-12-25 CN CN201811591661.0A patent/CN109441640B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2097998U (en) * | 1991-07-15 | 1992-03-04 | 沈阳黎明发动机制造公司工程机械厂 | Unequal-sectional plate type heat exchanger |
| JPH06281368A (en) * | 1993-03-31 | 1994-10-07 | Sumitomo Cement Co Ltd | Packed bed type heat exchanger |
| JP2006177621A (en) * | 2004-12-22 | 2006-07-06 | Denso Corp | Heat exchanger |
| CN1936302A (en) * | 2006-10-13 | 2007-03-28 | 西安交通大学 | Process for processing ring-shape original surface heat regenerator for minisize gas turbine |
| CN101245947A (en) * | 2007-11-30 | 2008-08-20 | 华南理工大学 | A heat exchanger for a plate type gas water heater |
| CN205897945U (en) * | 2016-07-22 | 2017-01-18 | 新乡豫新车辆换热设备股份有限公司 | Plate finned heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827796A (en) * | 2019-03-29 | 2019-05-31 | 北京航空航天大学 | A test bench for performance testing of micro gas turbine regenerator units |
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| Publication number | Publication date |
|---|---|
| CN109441640B (en) | 2020-11-06 |
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