CN110043336A - A kind of ocean movable type nuclear steam turbine outer rim dehumidification device - Google Patents
A kind of ocean movable type nuclear steam turbine outer rim dehumidification device Download PDFInfo
- Publication number
- CN110043336A CN110043336A CN201910425473.9A CN201910425473A CN110043336A CN 110043336 A CN110043336 A CN 110043336A CN 201910425473 A CN201910425473 A CN 201910425473A CN 110043336 A CN110043336 A CN 110043336A
- Authority
- CN
- China
- Prior art keywords
- partition
- water ring
- movable vane
- vane piece
- outer rim
- 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.)
- Pending
Links
- 238000007791 dehumidification Methods 0.000 title claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000010025 steaming Methods 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/007—Preventing corrosion
-
- 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
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
-
- 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
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- 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
-
- 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
- F01D9/047—Nozzle boxes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
A kind of ocean movable type nuclear steam turbine outer rim dehumidification device, is related to field of energy source power.The present invention is to solve in Turbine Flow Path, and the presence of water from steam point reduces the efficiency of steam turbine, the problem of making passage component that strong water erosion occur, shorten the service life of blade.The present invention includes cylinder, partition A, partition B, stator blade and movable vane piece, it is provided with multiple partition mounting grooves on the inner wall of cylinder and catches sink road, partition A and partition B is separately mounted in two adjacent partition mounting grooves, multiple stator blades are along the circumferential direction respectively disposed on partition A and partition B, movable vane piece is between partition A and partition B；It catches sink road to be between two adjacent partition mounting grooves, is provided on partition A and catches water ring A, be provided on partition B and catch water ring B, the water ring B that catches caught on water ring A and partition B on partition A is in above the integral shroud of movable vane piece.The present invention dehumidifies for steam turbine outer rim.
Description
Technical field
The present invention relates to a kind of ocean movable type nuclear steam turbine outer rim dehumidification devices.Belong to field of energy source power.
Background technique
Floating nuclear power plant (also known as ocean nuclear power platform) is marine movable small nuclear power station, is small-sized nuclear reaction
The combination of heap and Marine engineering can provide safe and effective energy resource supply for marine petroleum exploitation and remote island, can also
For large power ship and field of seawater desalination.
Turbine efficiency is reduced in the presence of Turbine Flow Path, water from steam point, while also sends out passage component
Raw strong water erosion, and water erosion is accompanied by caused by the corrosive impurities such as chloride, sulfate, carbon dioxide and corroded
Journey, and then the service life of blade is shortened, so that steam turbine performance more deteriorates, the economy of steam turbine is reduced, simultaneously
Hidden danger is brought to the security reliability of steam turbine.
Summary of the invention
The present invention is to solve in Turbine Flow Path, and the presence of water from steam point reduces the efficiency of steam turbine,
Also make passage component that strong water erosion occur simultaneously, shortens the service life of blade, so that steam turbine performance more deteriorates, drop
The low economy of steam turbine, while potential problem is brought to the security reliability of steam turbine.It is mobile now to provide a kind of ocean
Nuclear steam turbine outer rim dehumidification device.
The technical solution adopted by the present invention is that:
The outer rim dehumidification device includes cylinder 1, partition A2, partition B6, stator blade 3 and movable vane piece 4, the cylinder
Multiple partition mounting groove 1-2 are provided on 1 inner wall, partition A2 and partition B6 are separately mounted to two adjacent partition mounting groove 1-
In 2, multiple stator blades 3 are along the circumferential direction respectively disposed on partition A2 and partition B6, movable vane piece 4 is in partition A2 and partition B6
Between；Sink road 1-1 is caught it is characterized in that, being also provided on the inner wall of the cylinder 1, sink road 1-1 is caught and is in the phase
Between two adjacent partition mounting groove 1-2, it is provided on partition A2 and catches water ring A2-1, be provided on partition B6 and catch water ring B6-1,
The water ring B6-1 that catches caught on water ring A2-1 and partition B6 on partition A2 is in above the leaf top of movable vane piece 4, and catches water ring A2-
It 1 and catches water ring B6-1 the notch for catching sink road 1-1 is set.
Further, it is obliquely installed at the 4 top integral shroud of movable vane piece towards steam steam admission side.
Further, a gap 4-1 is provided at the 4 top integral shroud of movable vane piece, gap 4-1 is in the steaming of movable vane piece 4
Vapour steam output side.
Further, the catching on water ring A2-1 and partition B6 of catching on the partition A2 forms one between water ring B6-1
Annular is inverted funnel-shaped.
Further, the partition A2 and partition B6 pass through axially position pin 5 and are fixedly mounted on partition mounting groove 1-2
It is interior.
The beneficial effect that the present invention generates compared with prior art is:
Outer rim dehumidification device removes the part water droplet in through-flow interior moist steam using centrifugal force effect, reduces wet steam damage
It loses, while can effectively extend the service life of turbine blade, blade service life improves 20%, improves the economy of unit
Property, security reliability and maintainability.
Detailed description of the invention
Fig. 1 is the overall structure diagram of outer rim dehumidification device；
Fig. 2 is that cylinder inner wall is provided with partition mounting groove and catches the structural schematic diagram in sink road；
Fig. 3 is the structural schematic diagram of movable vane piece；
Fig. 4 is the partial enlarged view in Fig. 1 at I.
Specific embodiment
Specific embodiment 1: illustrating present embodiment referring to figs. 1 to Fig. 4, outer rim described in present embodiment is removed
Wet device, it includes: cylinder 1, partition A2, partition B6, stator blade 3 and movable vane piece 4, is provided on the inner wall of the cylinder 1 more
A partition mounting groove 1-2, partition A2 and partition B6 are separately mounted in two adjacent partition mounting groove 1-2, partition A2 and every
Along the circumferential direction it is respectively disposed with multiple stator blades 3 on plate B6, the thermal energy of steam is converted into kinetic energy by stator blade 3, at movable vane piece 4
Between partition A2 and partition B6, one group of working cell (grade) of a column stator blade and column movable vane piece composition steam turbine, steamer
Multiple groups working cell is provided in machine；A distance is provided with one on the inner wall of cylinder 1 and catches sink road 1-1, catches
Sink road 1-1 is between two adjacent partition mounting groove 1-2, is provided on partition A2 and is caught water ring A2-1, sets on partition B6
It is equipped with and catches water ring B6-1, the leaf top caught water ring B6-1 and be in movable vane piece 4 caught on water ring A2-1 and partition B6 on partition A2
Top, and catch water ring A2-1 and catch water ring B6-1 the notch for catching sink road 1-1 is set, catch water ring A2-1 and catch water ring B6-1 it
Between form a gap, this gap face catches sink road 1-1.
When the through-flow work done of moist steam inflow steam turbine, so that steam turbine blade high speed rotation, while moist steam has
Certain circumferential speed component, water droplet contained in moist steam will be got rid of integral shroud to movable vane piece under the influence of centrifugal force
Place, is then got rid of to catching water ring A2-1 and catching in the gap between water ring B6-1 under the influence of centrifugal force, finally flows into cylinder
Interior catches outside sink road discharge cylinder, to realize outer rim exsiccation, reduces wet steam loss, extend blade uses the longevity
Life.
Specific embodiment 2: present embodiment and specific embodiment one are such as schemed the difference lies in that in present embodiment
Shown in 3, it is obliquely installed at the 4 top integral shroud of movable vane piece towards steam steam admission side, high-temperature wet steam steam flow enters nozzle of steam turbine
When through-flow work done, water droplet contained in moist steam will be got rid of at integral shroud to movable vane piece under the influence of centrifugal force, will be moved
It is obliquely installed at 4 top integral shroud of blade, resistance suffered by steam can be reduced, improve the economy of unit.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: present embodiment and specific embodiment one are such as schemed the difference lies in that in present embodiment
Shown in 3, a gap 4-1 is provided at the 4 top integral shroud of movable vane piece, gap 4-1 is in 4 steam steam output side of movable vane piece, slits
It mouthful 4-1, two gaps caught between water ring 2-1 and catches sink road 1-1 and is in same vertical plane, water droplet contained in moist steam
It is pooled at the gap 4-1 of 4 top integral shroud of movable vane piece along the inclined surface of 4 top integral shroud of movable vane piece, under the influence of centrifugal force
It gets rid of to two in the gap caught between water ring 2-1, and then flows into catching in sink road 1-1 in cylinder, play the role of dehumidifying.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 4: present embodiment and specific embodiment one are such as schemed the difference lies in that in present embodiment
Shown in 4, in order to preferably collect water droplet contained in moist steam, catches water ring A2-1 and catch the inner sidewall of water ring B6-1 respectively inwards
It is obliquely installed, forms an inverted funnel-form space on vertical plane therebetween, water droplet contained in moist steam is being centrifuged
Got rid of under the action of power to catch water ring A2-1 with catch water ring B6-1 inner sidewall on, under the influence of centrifugal force, water droplet is further along catching
Water ring A2-1 and the inner wall for catching water ring B6-1 flow in the gap of funnel bottom, to flow to catching in sink road 1-1 in cylinder.
Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 5: any one of present embodiment and specific embodiment one to four are the difference lies in that this implementation
In mode, as shown in Figure 1, the water ring B6-1 that catches caught on water ring A2-1 and partition B6 on the partition A2 passes through axial direction calmly
Position pin 5 is fixedly mounted in partition mounting groove 1-2.
Other compositions and connection type are identical as one to four any one of specific embodiment.
The working principle of the invention is: when moist steam flows into through-flow work done in steam turbine, so that steam turbine blade is high
Speed rotation, while moist steam has certain circumferential speed component, water droplet contained in moist steam under the influence of centrifugal force will
It is got rid of at integral shroud notch (gap) to movable vane piece, is then got rid of under the influence of centrifugal force to catching water ring A2-1 and catch water
In gap between ring B6-1, catching outside sink road discharge cylinder in cylinder is finally flowed into, to realize outer rim exsiccation.Benefit
With the effect of centrifugal force, part water droplet contained by through-flow interior steam is eliminated, reduces moisture loss, while can effectively extend leaf
The service life of piece improves the economy, security reliability and maintainability of unit.
Claims (5)
1. a kind of ocean movable type nuclear steam turbine outer rim dehumidification device, it includes cylinder (1), partition A (2), partition B (6), quiet
Blade (3) and movable vane piece (4), are provided with multiple partition mounting grooves (1-2) on the inner wall of the cylinder (1), partition A (2) and every
Plate B (6) is separately mounted in two adjacent partition mounting grooves (1-2), is along the circumferential direction divided on partition A (2) and partition B (6)
It is not disposed with multiple stator blades (3), movable vane piece (4) is between partition A (2) and partition B (6)；It is characterized in that, the vapour
It is also provided on the inner wall of cylinder (1) and catches sink road (1-1), caught sink road (1-1) and be in the adjacent two partition mounting groove
It between (1-2), is provided with and catches water ring A (2-1) on partition A (2), be provided with and catch water ring B (6-1) on partition B (6), partition A (2)
On the water ring B (6-1) that catches caught on water ring A (2-1) and partition B (6) be in above the leaf top of movable vane piece (4), and catch water ring A
(2-1) and water ring B (6-1) setting is caught in the notch for catching sink road (1-1).
2. outer rim dehumidification device according to claim 1, which is characterized in that court at integral shroud at the top of the movable vane piece (4)
It is obliquely installed to steam steam admission side.
3. outer rim dehumidification device according to claim 1, which is characterized in that opened at integral shroud at the top of the movable vane piece (4)
There is a gap (4-1), gap (4-1) is in movable vane piece (4) steam steam output side.
4. outer rim dehumidification device according to claim 1, which is characterized in that catch water ring A (2- on the partition A (2)
1) catching and on partition B (6) formed between water ring B (6-1) one it is annular inverted funnel-shaped.
5. according to claim 1 to outer rim dehumidification device described in any one of 4 claims, which is characterized in that the partition A
(2) it is fixedly mounted in partition mounting groove (1-2) by axially position pin (5) with partition B (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425473.9A CN110043336A (en) | 2019-05-21 | 2019-05-21 | A kind of ocean movable type nuclear steam turbine outer rim dehumidification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425473.9A CN110043336A (en) | 2019-05-21 | 2019-05-21 | A kind of ocean movable type nuclear steam turbine outer rim dehumidification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043336A true CN110043336A (en) | 2019-07-23 |
Family
ID=67282987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425473.9A Pending CN110043336A (en) | 2019-05-21 | 2019-05-21 | A kind of ocean movable type nuclear steam turbine outer rim dehumidification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943390A (en) * | 2021-01-27 | 2021-06-11 | 西安热工研究院有限公司 | Low-pressure cylinder dehumidification drain tank structure of steam turbine and working method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112943390A (en) * | 2021-01-27 | 2021-06-11 | 西安热工研究院有限公司 | Low-pressure cylinder dehumidification drain tank structure of steam turbine and working method |
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