CN109057877A - A kind of helium turbine stators structure - Google Patents
A kind of helium turbine stators structure Download PDFInfo
- Publication number
- CN109057877A CN109057877A CN201811256006.XA CN201811256006A CN109057877A CN 109057877 A CN109057877 A CN 109057877A CN 201811256006 A CN201811256006 A CN 201811256006A CN 109057877 A CN109057877 A CN 109057877A
- Authority
- CN
- China
- Prior art keywords
- casing
- card slot
- flange
- guider
- turbine
- 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 17
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 17
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 210000000481 breast Anatomy 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
- F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
-
- 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
- F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
Abstract
A kind of helium turbine stators structure, is related to turbines.There is the integral shape of entire turbine casing into nuclear reactor, be not easy to the low efficiency dismounted, stators structure is integrally too long, helium does work in existing purposes of turbine application.The present invention includes inlet casing, turbine casing, exit casing, guider, obturages retaining ring and bear box, the flange of inlet casing rear end and the flange of turbine casing front end are bolted, and the flange of turbine casing rear end and the flange of exit casing front end are bolted；The flange of bear box front end and the flange of exit casing bosom position on the upper side are bolted；The rear end of exit casing is inserted into the card slot of bear box tail portion；6 stage diverter groups are obturaged retaining ring with 6 grades and are successively mounted on one by one in the card slot of inlet casing and exit casing.The present invention is in helium turbine.
Description
Technical field
The present invention relates to turbines more particularly to a kind of helium turbine stators structures.
Background technique
Existing stators structure is not suitable for the acting of helium turbine, existing purposes of turbine application to nuclear reactor
In the entire integral shape of turbine casing, be not easy to dismount；And stators structure is integrally too long, make in nuclear reactor helium into
Enter that the gas initial temperature being applied in movable vane piece into turbine is low, the low efficiency of helium acting, is unable to satisfy the property of pneumatic design
It can require.
Summary of the invention
The technical problem to be solved in the invention is: existing purposes of turbine application into nuclear reactor entire turbine casing at
Integrated is not easy to dismount；And the problem of stators structure is integrally too long, the low efficiency of helium acting.
The present invention to solve above-mentioned technical problem the technical solution adopted is that: the helium turbine stators knot
Structure includes turbine casing, guider, obturages retaining ring and bear box, and the bear box is extend into the tail portion of turbine casing
And be fixedly connected, it obturages retaining ring and multiple groups guider is fixed in the card slot inside turbine casing；
The turbine casing includes inlet casing, turbine casing and exit casing, the inlet casing and turbine
The rear and front end of casket is respectively provided with flange, and the front end and bosom position on the upper side of the exit casing are respectively provided with method
Orchid, the front end of the bear box have flange, and tail end has card slot；
The flange of the inlet casing rear end and the flange of turbine casing front end are bolted, turbine casing rear end
Flange and the flange of exit casing front end be bolted；
The front end of the bear box is extend into exit casing, and tail end is in outside exit casing；Bear box front end
Flange and the flange of exit casing bosom position on the upper side be bolted；The rear end of exit casing is inserted into bear box
In the card slot of tail portion；
The guider is divided into 6 stage diverter groups, and preceding 3 stage diverter group is sequentially arranged at the card slot of inlet casing
Interior, rear 3 stage diverter group is sequentially arranged in the card slot of turbine casing, and level-one is arranged between every stage diverter group and obturages retaining ring simultaneously
It is stuck in the card slot of turbine casing, is also provided with one between the 6th stage diverter group and exit casing in turbine casing tail end
Grade obturages retaining ring.
The beneficial effects of the present invention are: the present invention is applied in helium turbine for the first time；
Turbine casing of the invention consists of three parts, and is attached by flange, easy to disassemble；Preceding 3 stage diverter group
It obturages retaining ring with first 3 grades to be all disposed in inlet casing, because 3 grades of nozzle rings and movable vane ring are also all mounted on inlet casing before this
It is interior, it is such to design the structure for shortening entire stators, effectively increase the efficiency of the first mild helium acting of air inlet.
Detailed description of the invention
Fig. 1 is the overall structure diagram of stators structure；
Fig. 2 is the structural schematic diagram of inlet casing；
Fig. 3 is the structural schematic diagram of turbine casing；
Fig. 4 is the structural schematic diagram of interior casing；
Fig. 5 is the structural schematic diagram of exit casing；
Fig. 6 is the schematic diagram of bear box；
Fig. 7 is the structural schematic diagram of guider；
Fig. 8 is the structural schematic diagram for obturaging retaining ring.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments:
Specific embodiment 1: embodiment is described with reference to Fig. 1, helium turbine turbine described in present embodiment
Stator structure includes turbine casing 1, guider 2, obturages retaining ring 3 and bear box 4, and the bear box 4 extend into turbine
It in the tail portion of casing 1 and is fixedly connected, obturages retaining ring 3 and multiple groups guider 2 is fixed on card slot inside turbine casing 1
In；
The turbine casing includes inlet casing 1-1, turbine casing 1-2 and exit casing 1-3, the inlet casing
The rear and front end of 1-1 and turbine casing 1-2 are respectively provided with flange, and the front end of the exit casing 1-3 and bosom are on the upper side
Position be respectively provided with flange, the front end of the bear box 4 has flange, and tail end has card slot；
The flange of the rear end inlet casing 1-1 and the flange of the front end turbine casing 1-2 are bolted, turbine
The flange of the rear end casket 1-2 and the flange of the front end exit casing 1-3 are bolted；
The front end of the bear box 4 is extend into exit casing 1-3, and tail end is in outside exit casing 1-3；Cartridge housing
The flange of 4 front end of body and the flange of exit casing 1-3 bosom position on the upper side are bolted；After exit casing 1-3
End is inserted into the card slot of 4 tail portion of bear box；
The guider 2 is divided into 6 stage diverter groups, and preceding 3 stage diverter group is sequentially arranged at the card of inlet casing 1-1
In slot, rear 3 stage diverter group is sequentially arranged in the card slot of turbine casing 1-2, and level-one is arranged between every stage diverter group and obturages
Retaining ring 3 is simultaneously stuck in the card slot of turbine casing 1, the 6th stage diverter group in 2 tail end of turbine casing and exit casing 1-3 it
Between be also provided with level-one and obturage retaining ring 3.
Turbine casing of the invention is made of inlet casing 1-1, turbine casing 1-2 and exit casing 1-3 this three parts, and
3 benefits are attached by flange, first is that complete machine intensity, vibration characteristics are good, structure is safe and reliable, connects between components
It is firm to connect and position；Second is that easy to disassemble, adjustment and maintenance, extend the service life of turbine operation；Third is that having preferable processing
Craftsmanship, lower cost；Preceding 3 stage diverter group and first 3 grades are obturaged retaining ring 3 and are all disposed in inlet casing 1-1, because of before this 3
Grade nozzle ring and movable vane ring are also all mounted in inlet casing 1-1, such to design the structure for shortening entire stators, are had
Effect improves the efficiency of the first mild helium acting of air inlet.
Specific embodiment 2: illustrate present embodiment in conjunction with Fig. 1,2 and 4,
As shown in Figure 2: the inside of the inlet casing 1-1 is also provided with an interior casing 1-4, preceding 3 stage diverter group
And first 3 grades obturaged retaining ring 3 and be successively alternately fitted in the card slot of interior casing 1-4, and is fixed on air inlet by interior casing 1-4
The inside of casing 1-1；
As shown in Figure 4: the interior casing 1-4 tail end has flange；As shown in Figure 2: the tail end of inlet casing 1-1 has
Pin hole, the front end of interior casing 1-4 are stuck in the card slot in inlet casing 1-1, and the flange of tail end is fixed by a pin to air inlet
In the pin hole of the tail end of casing 1-1；
It is as shown in Figure 2: the 4th cooled gas path 1-5 is formed between the inlet casing 1-1 and interior casing 1-4.
Casing in being arranged in inlet casing facilitates guider group and obturages disassembly, the maintenance of retaining ring.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: as shown in Figure 2 and Figure 5: on inlet casing 1-1 described in present embodiment also with there are two
Air inlet, the air inlet are communicated with the inlet channel 1-1-1 that inlet casing 1-1 inner circumferential is arranged；The exit casing
Exhaust passage 1-3-1 is arranged in 1-3 inner circumferential.
High temperature helium enters inlet channel by air inlet, and carries out water conservancy diversion by guider group, is then applied to and turns
In the movable vane piece of son.
Other compositions and connection type are the same as one or two specific embodiments.
Specific embodiment 4: as shown in Figure 2: inlet casing 1-1 described in present embodiment, interior casing 1-4 and first
The first cooled gas path 1-1-2, the second cooled gas path 1-4-1 and third cooling gas are respectively provided on stage diverter
Channel 2-4.
Cooling air-flow passes sequentially through the first cooled gas path 1-1-2, the 4th cooled gas path 1-5, the second cooling air
Body channel 1-4-1 and third cooled gas path 2-1 are entered in turbine casing.
Other compositions and connection type are identical as specific embodiment one, two or three.
Specific embodiment 5: as shown in Fig. 1,2 and 5, inlet casing 1-1 and exit casing 1- described in present embodiment
Insulating layer is equipped on 3 inner wall respectively, between the guider and casing in the 2nd stage diverter group and rear 3 stage diverter group
It is also equipped with insulating layer.
Other compositions and connection type are identical as one to four any one of specific embodiment.
Specific embodiment 6: illustrate present embodiment in conjunction with Fig. 3,4,7 and 8, guider 2 described in present embodiment
Left end has the first guider fixed part 2-1 and the first card slot 2-3, and right end has the second guider fixed part 2-2；The envelope
The left end of tight retaining ring 3 has the first retaining ring fixed part 3-3 and the second card slot 3-1, and right end has the second retaining ring fixed part 3-2；
6 guider card slot 1-1-2 and 6 retaining ring card slot 1-1-3, institute are respectively arranged on the inside of the turbine casing 1
The guider card slot 1-1-2 stated is alternately arranged with retaining ring card slot 1-1-3；The left end of the guider card slot 1-1-2 has and leads
To device card slot fixed part 1-1-4, the left end of retaining ring card slot 1-1-3 has retaining ring card slot fixed part 1-1-5；
The first guider fixed part 2-1 is fixed in guider card slot 1-1-2, guider card slot fixed part 1-1-
4 and second retaining ring fixed part 3-2 be fixed in the first card slot 2-3, the second guider fixed part 2-2 and retaining ring card slot are solid
Determine portion 1-1-5 to be fixed in the second card slot 3-1, the first retaining ring fixed part 3-3 is fixed in retaining ring card slot 1-1-3.
It by guider and obturaging card slot and fixed part being respectively set on retaining ring, and is fixedly connected, reduces whole
The size of a turbine casing.
Other compositions and connection type are identical as one to five any one of specific embodiment.
Claims (6)
1. a kind of helium turbine stators structure, including turbine casing (1), guider (2), obturage retaining ring (3) and axis
It holds shell (4), the bear box (4) extend into the tail portion of turbine casing (1) and is fixedly connected, and obturages retaining ring
(3) it is fixed in the internal card slot of turbine casing (1) with multiple groups guider (2)；
It is characterized by: the turbine casing includes inlet casing (1-1), turbine casing (1-2) and exit casing (1-3),
The rear and front end of the inlet casing (1-1) and turbine casing (1-2) is respectively provided with flange, the exit casing (1-3)
Front end and bosom position on the upper side be respectively provided with flange, the front end of the bear box (4) has flange, tail end band
There is card slot；
The flange of described rear end inlet casing (1-1) and the flange of the front end turbine casing (1-2) are bolted, turbine
The flange of the rear end casket (1-2) and the flange of the front end exit casing (1-3) are bolted；
The front end of the bear box (4) is extend into exit casing (1-3), and tail end is in exit casing (1-3) outside；Bearing
The flange of shell (4) front end and the flange of exit casing (1-3) bosom position on the upper side are bolted；Exit casing
The rear end of (1-3) is inserted into the card slot of bear box (4) tail portion；
The guider (2) is divided into 6 stage diverter groups, and preceding 3 stage diverter group is sequentially arranged at the card of inlet casing (1-1)
In slot, rear 3 stage diverter group is sequentially arranged in the card slot of turbine casing (1-2), and level-one is arranged between every stage diverter group and seals
Tight retaining ring (3) is simultaneously stuck in the card slot of turbine casing (1), is in the 6th stage diverter group and air exhauster of turbine casing (2) tail end
It is also provided with level-one between casket (1-3) and obturages retaining ring (3).
2. stators structure according to claim 1, it is characterised in that: the inside of the inlet casing (1-1) is also
Provided with an interior casing (1-4), preceding 3 stage diverter group and first 3 grades obturage retaining ring (3) and are sequentially arranged at interior casing (1-4)
Card slot in, and the inside of inlet casing (1-1) is fixed on by interior casing (1-4)；
Interior casing (1-4) tail end has flange, and the tail end of inlet casing (1-1) has pin hole, interior casing (1-4)
Front end is stuck in the card slot in inlet casing (1-1), and the flange of tail end is fixed by a pin to the tail end of inlet casing (1-1)
In pin hole；
The 4th cooled gas path (1-5) is formed between the inlet casing (1-1) and interior casing (1-4).
3. stators structure according to claim 1 or 2, it is characterised in that: go back band on the inlet casing (1-1)
There are two air inlet, the air inlet is communicated with the inlet channel (1-1-1) that inlet casing (1-1) inner circumferential is arranged；It is described
Exit casing (1-3) inner circumferential be arranged exhaust passage (1-3-1).
4. stators structure according to claim 3, it is characterised in that: the inlet casing (1-1), interior casing
The first cooled gas path (1-1-2), the second cooled gas path (1-4- are respectively provided on (1-4) and the first stage diverter
And third cooled gas path (2-4) 1).
5. stators structure according to claim 4, it is characterised in that: the inlet casing (1-1) and air exhauster
Insulating layer, guider and machine in the 2nd stage diverter group and rear 3 stage diverter group are equipped on the inner wall of casket (1-3) respectively
Insulating layer is also equipped between casket.
6. stators structure according to claim 5, it is characterised in that: the left end of the guider (2) is with the
One guider fixed part (2-1) and the first card slot (2-3), right end have the second guider fixed part (2-2)；Described obturages shield
The left end of ring (3) has the first retaining ring fixed part (3-3) and the second card slot (3-1), and right end has the second retaining ring fixed part (3-
2)；
6 guider card slots (1-1-2) and 6 retaining ring card slots (1-1-3) are respectively arranged on the inside of the turbine casing (1),
The guider card slot (1-1-2) is alternately arranged with retaining ring card slot (1-1-3)；A left side for the guider card slot (1-1-2)
End has guider card slot fixed part (1-1-4), and the left end of retaining ring card slot (1-1-3) has retaining ring card slot fixed part (1-1-5)；
The first guider fixed part (2-1) is fixed in guider card slot (1-1-2), guider card slot fixed part (1-
1-4) be fixed on the second retaining ring fixed part (3-2) in the first card slot (2-3), the second guider fixed part (2-2) and
Retaining ring card slot fixed part (1-1-5) is fixed in the second card slot (3-1), and the first retaining ring fixed part (3-3) is fixed on shield
In ring card slot (1-1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256006.XA CN109057877B (en) | 2018-10-26 | 2018-10-26 | Turbine stator structure for helium turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811256006.XA CN109057877B (en) | 2018-10-26 | 2018-10-26 | Turbine stator structure for helium turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109057877A true CN109057877A (en) | 2018-12-21 |
| CN109057877B CN109057877B (en) | 2023-11-28 |
Family
ID=64767634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811256006.XA Active CN109057877B (en) | 2018-10-26 | 2018-10-26 | Turbine stator structure for helium turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109057877B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723507A (en) * | 2018-12-28 | 2019-05-07 | 中国船舶重工集团公司第七0三研究所 | A kind of heap helium turbine mechanism |
| CN111561480A (en) * | 2020-05-14 | 2020-08-21 | 中国航发沈阳发动机研究所 | Stator structure |
| CN115450713A (en) * | 2022-10-21 | 2022-12-09 | 中国航发沈阳发动机研究所 | Evenly-exhausting bearing frame assembly structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723507A (en) * | 2018-12-28 | 2019-05-07 | 中国船舶重工集团公司第七0三研究所 | A kind of heap helium turbine mechanism |
| CN109723507B (en) * | 2018-12-28 | 2023-09-12 | 中国船舶重工集团公司第七0三研究所 | Helium stacking turbine mechanism |
| CN111561480A (en) * | 2020-05-14 | 2020-08-21 | 中国航发沈阳发动机研究所 | Stator structure |
| CN111561480B (en) * | 2020-05-14 | 2022-02-22 | 中国航发沈阳发动机研究所 | Stator structure |
| CN115450713A (en) * | 2022-10-21 | 2022-12-09 | 中国航发沈阳发动机研究所 | Evenly-exhausting bearing frame assembly structure |
| CN115450713B (en) * | 2022-10-21 | 2023-01-17 | 中国航发沈阳发动机研究所 | Evenly-exhausting bearing frame assembly structure |
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| Publication number | Publication date |
|---|---|
| CN109057877B (en) | 2023-11-28 |
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