CN103790655A - Turbine cowling system - Google Patents
Turbine cowling system Download PDFInfo
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- CN103790655A CN103790655A CN201310529732.5A CN201310529732A CN103790655A CN 103790655 A CN103790655 A CN 103790655A CN 201310529732 A CN201310529732 A CN 201310529732A CN 103790655 A CN103790655 A CN 103790655A
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- Prior art keywords
- inner housing
- steam turbine
- engine hood
- described inner
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- 239000013589 supplement Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 11
- 238000009413 insulation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001574 biopsy Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003550 marker Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
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- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
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- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/14—Casings modified therefor
- F01D25/145—Thermally insulated casings
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- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
A steam turbine cowling system is disclosed. The steam turbine cowling system including: a lower portion configured to be disposed proximate an inner casing of a steam turbine, and an upper portion connected to at least one of the lower portion and the inner casing, the upper portion shaped to be disposed proximate the inner casing of the steam turbine, the upper portion substantially defining a flowpath about the inner casing. The cowling system is configured as a thermal and flow guide device.
Description
the cross reference of related application
It is No.61/720 that the application requires to be called " TURBINE COWLING SYSTEM " sequence number in the name that on October 31st, 2012 submits to, the rights and interests of 822 U.S. Provisional Application, and its full content is attached in the present invention by reference.
Technical field
In the present invention, disclosed theme relates to the shell of steam turbine system.More specifically, in the present invention, disclosed theme relates to engine hood system for the low pressure inner housing of steam turbine system (such as, the sheet metal shell of manufacture), and engine hood system is configured to heat (such as, heat lag, adiabatic etc.) and movement-oriented device.
Background technique
Steam turbine shell (Shell) is the parts of the high pressure (HP) that surrounds for example steam turbine, middle pressure (IP) and/or low pressure (LP) sections (Sections).Tradition steam turbine shell/hood (Cowling) comprises multiple parts of the inner housing that can for good and all be connected to turbine.In practice, the thermal insulation (Insulating) of described multiple parts auxiliary steam turbine and steam turbine parts.Owing to being connected and each parts structure, orientation and relation relative to each other with the permanent of steam turbine and/or inner housing; The manufacture around steam turbine of hood and assembling may be labour-intensive operations, and this must carry out to enough heat lags and appropriate assembling are provided in steam turbine manufacture process.But, the assembling of described multiple parts and be connected with steam turbine inner housing permanent and may make maintenance operation in the future and operation become complicated, and complicated and extend that steam turbine is built and the time of assembling.In addition, the part of leading to the condenser of steam turbine system around the vapor flow path of inner housing may be interfered and/or block to these multiple parts of arranging around inner housing.
Summary of the invention
A kind of steam turbine engine hood system is disclosed.In one embodiment, disclose a kind of steam turbine engine hood system, it comprises: the bottom part that is configured to the inner housing layout of contiguous steam turbine; And be connected in bottom part and inner housing at least one top part, and top part is configured to the inner housing of contiguous steam turbine and arranges, and top part roughly limits the flow path around inner housing.A first aspect of the present invention comprises a kind of steam turbine engine hood system, and steam turbine engine hood system comprises: the bottom part that is configured to the inner housing layout of contiguous steam turbine; With the top part that the inner housing that is connected in bottom part and inner housing at least one and contiguous steam turbine is arranged, this top part roughly limits the flow path around inner housing.
Wherein, in described top part and described bottom part, at least one is configured to the heat insulator around described inner housing.
Wherein, described bottom part is for good and all connected to described inner housing.
Wherein, described top part is connected at least one in the steam guiding element in described inner housing or described steam turbine.
Wherein, described top part releasedly (releasably) be attached to described inner housing.
Wherein, in described top part and described bottom part, at least one comprises roughly level and smooth radially inner surface.
Wherein, described top part comprises steam inlet.
Wherein, described top part is configured to flow towards the guiding of described bottom part.
Wherein, described top part and described bottom part are roughly surrounded described inner housing and are limited the flow path from the top of described inner housing to condenser.
Wherein, described top part is modular.
A second aspect of the present invention comprises a kind of device that comprises top hood part, the inner housing that top hood part is configured to be connected to bottom hood part and roughly supplements steam turbine, top hood part is configured to the inner housing of contiguous steam turbine and arranges and roughly limit the flow path around inner housing.
Wherein, described top hood part is configured to the heat insulator around described inner housing.
Wherein, described top hood part is attached to described inner housing releasedly.
Wherein, the top segment that described top hood part is roughly surrounded described inner housing, and limit the extremely flow path of described bottom hood part of top from described inner housing.
Wherein, described top hood part comprises steam inlet and is configured to the guiding of described bottom hood part mobile.
Wherein, described top hood part is modular and comprises roughly level and smooth radially inner surface.
A third aspect of the present invention comprises a kind of steam turbine system, steam turbine system comprises rotor component and surrounds at least in part the stator component of rotor component, stator component comprises frame, is arranged in the inner housing in frame and is arranged in frame the steam turbine engine hood system between inner housing, and steam turbine engine hood system comprises: be configured to the bottom part that contiguous inner housing is arranged; And be connected in bottom part and inner housing at least one and be configured to the top part that the inner housing of contiguous steam turbine is arranged, top part roughly limits the flow path around inner housing.
Wherein, described bottom part is for good and all connected to described inner housing, and described top part is connected to described inner housing releasedly.
Wherein, in described top part and described bottom part, at least one is configured to around the heat insulator of described inner housing and comprises roughly level and smooth radially inner surface.
Wherein, described steam turbine system also comprises the condenser that is operatively connected to described stator, and wherein said top part and described bottom part are roughly surrounded described inner housing and limited the extremely flow path of described condenser of top from described inner housing.
Accompanying drawing explanation
From the following detailed description to various aspects of the present invention of accompanying drawing in conjunction with describing each embodiment of the present invention, will more easily understand these and other feature of the present invention, in the accompanying drawings:
Fig. 1 is the perspective view of the three-dimensional biopsy cavity marker devices of a part for turbine according to an embodiment of the invention.
Fig. 2 illustrates the three-dimensional perspective of a part for steam turbine system according to an embodiment of the invention.
Fig. 3 illustrates the three-dimensional perspective of steam turbine hood enclosure system according to an embodiment of the invention.
Fig. 4 illustrates the schematic diagram of the part of multiaxis combination circulating power plant according to an embodiment of the invention.
Fig. 5 illustrates the schematic diagram of the part of single shaft combination circulating power plant according to an embodiment of the invention.
Notice, accompanying drawing of the present invention might not be drawn in proportion.Accompanying drawing is intended to only describe typical aspect of the present invention, therefore should not be considered to limit the scope of the invention.Be appreciated that between accompanying drawing, the element of reference numbers can be roughly similar as illustrated to reference each other similarly.In addition, in the embodiment who illustrates and illustrate with reference to Fig. 1-5, the element that identical digitized representation is identical.For clarity sake the unnecessary explanation of these elements is omitted.Finally, be appreciated that the parts of Fig. 1-5 and the explanation followed can be applied to any embodiment who illustrates in the present invention.
Embodiment
Each aspect of the present invention provides steam turbine engine hood system (Steam turbine cowling system).Particularly, in the present invention disclosed theme relate to be configured to steam turbine parts carry out thermal insulation (such as, provide the very hot part of heat lag, the contiguous steam turbine of isolation not flowing steam, exhaust steam is separated etc. with inner housing) and form flow path by the inner housing around steam turbine and come as the steam turbine engine hood system of movement-oriented that leads to the condenser in steam turbine system.Described engine hood system can be shaped as the steam of neighbouring section of isolation inner housing, and described engine hood system can comprise forming/being configured as around inner housing and the vapor flow that leads to condenser provides continuous-flow surface (for example, aerodynamic surface).
Described in the present invention, traditional steam turbine housing comprises and being arranged on inner housing so that multiple parts of turbine part thermal insulation.But these multiple parts can be complicated and be extended the assembling of steam turbine system, need to manufacture simultaneously and assemble with steam turbine self (such as, customization).In addition, these multiple parts can stop and/or hinder steam and flow to the condenser below inner housing from the top of inner housing.In addition, these multiple parts, because structure and assembling can be interrupted around the vapor flow of steam turbine and/or comprise the gap (gap) that allows steam to flow betwixt therebetween, make the heat insulation capacity of parts minimize thus.
Compared with conventional housings for steam turbine inner housing, each aspect of the present invention provides a kind of hood, and it is configured to make the each several part of steam turbine adiabatic and form the flow path from the top of inner housing to condenser.Hood comprises one group of parts, and the flow guide as the steam at the top from housing is arranged and be configured to described one group of parts roughly around inner housing.In certain embodiments, hood comprises one group of detachable block (such as, the first half), and it can be arranged around inner housing in impermanent mode, allows thus technician to enter (Access to) inner housing.
In certain embodiments, engine hood system comprise connection (such as, for good and all) to the bottom part of steam inside wheel housing (such as, half portion) and roughly around steam inside wheel housing arrange and removedly (such as, detachably, connect etc. releasedly) be connected to the top part (such as, half portion) of steam guide and/or inner housing.In this embodiment, engine hood system can roughly be close to (such as, in thermal change/clearance for expansion, near-earth is by geometric constraint restriction etc. as far as possible) steam inside wheel housing arranges.
In one embodiment, described engine hood system can comprise smooth surface roughly and can be configured to guide the flowing of exhaust hood underflow piate outside of steam turbine.In one embodiment, engine hood system can arrange at a certain distance with respect to steam turbine inner housing, make technician can enter inner housing (such as, lead to level connection joint bolt, turbine part, inner housing dismounting etc.).The engine hood system illustrating in the present invention and the technique effect of device are to provide the thermal insulation (such as, heat lag) of turbine part and form the flow guide of the condenser in steam turbine system.
With reference to accompanying drawing, the embodiment of system and device is shown, the embodiment of system and device be configured to make the thermal insulation of steam turbine parts (such as, heat lag is provided) and by forming flow path from inner housing to condenser as movement-oriented.Each parts in accompanying drawing all can pass through prior device, such as by common conduit (Common conduit) or as in Fig. 1-5 shown in other known devices connect.With reference to accompanying drawing, Fig. 1 illustrates the perspective view of the biopsy cavity marker devices of gas turbine or steam turbine 10.Turbine 10 comprises rotor 12, and rotor 12 comprises the rotor wheel 18 of running shaft 14 and multiple axially spaced-aparts.Multiple rotation blades (Blades) 20 are mechanically attached to each rotor wheel 18.More specifically, blade 20 is arranged in rows around circumferentially (Circumferentially) extension of each rotor wheel 18.Multiple fixed blades (Vanes) 22 circumferentially extends around axle 14, and wheel blade 22 is axially positioned between adjacent row's blade 20.Fixed blade 22 coordinates to form one-level (a stage) and limits by the part vapor flow path of turbine 10 with blade 20.
In operation, combustion gas or steam 24 enter the entrance 26 of turbine 10, and guide by fixed blade 22.Wheel blade 22 is downstream facing to blade 20 guiding gas or steam 24.Combustion gas or steam 24, through all the other levels, apply power on blade 20, and axle 14 is rotated.At least one end of turbine 10 can axially be extended away from running shaft 12, and can be connected to load or machine (not shown), is such as but not limited to generator and/or another turbine.
In one embodiment, turbine 10 can comprise Pyatyi.Pyatyi is expressed as L0, L1, L2, L3 and L4.Level L4 is the first order and is minimum (radially) in Pyatyi.Level L3 is the second level and is next stage in axial direction.Level L2 is the third level, and is illustrated in the centre of Pyatyi.Level L1 is the fourth stage and is penultimate stage.Level L0 is afterbody and is maximum (radially).Be appreciated that Pyatyi is only illustrated as an example, each turbine can have greater or less than Pyatyi.In addition,, as illustrated in the present invention, instruction of the present invention does not need multistage turbine.
With reference to figure 2, illustrate according to the three-dimensional exploded perspective view of a part for embodiment's the steam turbine system that comprises engine hood system 200 100.In this embodiment, steam turbine system 100 comprises the base portion 150 that is configured to connect and/or support inner housing 190.Block 140 can be connected to base portion 150 and arrange around inner housing 190, forms (Contained) steam turbine system 100 of base closed.Inner housing 190 can comprise housing lower half 170 and be configured to be connected to and/or the upper half-shell 160 of supplementary housing lower half 170, inner housing 190 limit roughly around/through one group of turbine part 174(such as, rotor, wheel blade, Sealing, flow path etc.) flow path " A " (shown in broken lines).In an embodiment, engine hood system 200 can be arranged between inner housing 190 and base portion 150 and block 140.Engine hood system 200 can be roughly around inner housing 190 arrange and be configured to make the parts of steam turbine system 100 and/or part adiabatic (such as, in heat).In one embodiment, engine hood system 200 can be roughly around inner housing 190(such as, between engine hood system 200 and inner housing 190) limit flow path 192.Flow path 192 can extend to from the top of inner housing 190 condenser that is arranged in base portion 150 and/or is connected to base portion 150.In one embodiment, engine hood system 200 can be configured to movement-oriented of flow path 192 (such as, smooth paths, aerodynamic force path etc.).Flow path 192 can be included in the smooth surface on first inner housing 160, and this smooth surface is configured as guiding and is retracted into condenser from the steam of steam path discharge.In one embodiment, the smooth surface of flow path 192 can reduce pressure demand.With compare for the conventional housings system of inner housing sections (such as, inner housing 190), shown in the present invention and the engine hood system 200 of explanation provide adiabatic and limit the flow path 192 around inner housing 190.In addition, engine hood system 200 can comprise detachable block (such as, top part 110).
In one embodiment, engine hood system 200 can comprise and is configured to mutually supplement and form around top part (Upper portion) 110 and the bottom part (Lower portion) 120 of the engine hood system 200 of inner housing 190.Top part 110 and/or bottom part 120 can be arranged to contiguous inner housing 190, to limit betwixt flow path 192.In one embodiment, bottom part 120 can for good and all connect (such as, welding, one bolt etc.) to inner housing 190.Top part 110 can removably connect (such as, bolt connects, connects etc. releasedly) to inner housing 190, flow guide and/or block 140.In one embodiment, top part 110 can be modular and/or be constructed to be permeable to removable for maintenance process/operation.In one embodiment, top part 110 and bottom part 120 can be arranged in thermal change gap location with respect to inner housing 190 (such as, to avoid the difference due to thermal expansion between parts to come in contact/be subject to the safe distance of stress).In one embodiment, top part 110 and/or bottom part 120 can be arranged in respect to inner housing 190 a distance, so that permission technician/make technician can lead to inner housing 190 and parts wherein.
In one embodiment, engine hood system 200 comprise roughly limit flow path 192(such as, as flow guide) one group of level and smooth radially inner surface (Inward facing surfaces) 198 roughly.These are roughly level and smooth radially inner surperficial 198 different from the radially inner surface for inner housing sections of conventional housings structure, owing to comprising that the conventional housings structure of the multiple parts that are for good and all connected to inner housing sections may block or interfere flowing around it.Engine hood system 200 can cover whole features of inner shell structure and surface (such as, external flange, protuberance etc.).As shown in Figure 2, upper half-shell 160 and housing lower half 170 comprise multiple steam flow channel 178, and multiple steam flow channel 178 are extended around rotor apparatus (omitting in order to illustrate therebetween clear) general toroidal ground.In other words, the steam flow channel 178 shown in Fig. 2 is extended between housing lower half 170 and upper half-shell 160, so as housing sections in abutting connection with time provide along and/or be shown in dotted line around flow path A() vapor flow path.Compared with conventional housings system, each aspect of the present invention allows to comprise by the engine hood system 200(illustrating in the present invention, such as dismountable top part 110 and/or bottom part 120) carry out flow path guiding/restriction and thermal insulation (such as, heat lag).For example, as Figure 2-3, engine hood system 200 can be arranged around inner housing 190 roughly to limit flow path 192 and to provide with the distance of steam turbine system 100 thermal insulation.Engine hood system 200 can comprise the sheet metal of manufacture.In one embodiment, steam can be advanced around 192, makes the first portion of steam can be from housing lower half 170 directly by condenser, the second portion of steam can be in upper half-shell 160 eddy flow and be then disposed to condenser downwards.
With reference to figure 3, the three-dimensional perspective of steam turbine engine hood system 240 is according to an embodiment of the invention shown.In this embodiment, engine hood system 240 comprise top part 210(such as, be configured to the upper half-shell 160(of Fig. 2 such as, inner housing) coupling casing-upper half) and bottom part 220(such as, be configured to the housing lower half 170(of Fig. 2 such as, inner housing) bottom shelf half of coupling).In one embodiment, bottom part 220 can comprise being configured as surround housing lower half 170(such as, inner housing) the passage 250 of geometrical shape.Top part 210 can comprise the flow orifice 216 that is configured to receive and/or supplement mobile service (not shown for clarity).In one embodiment, top part 210 can comprise one group of lid 218 of the protuberance being configured as in the structure of holding inner housing 190.Top part 210 can comprise one group of connector 212 circumferentially arranging and be configured to engage matchingly inner housing 190 and/or block 140 around top part 210.One group connector 212 can around inner housing 190 and adjacent components be fixed and/or directed top part 210.
In one embodiment, bottom part 220 and/or top part 210 can comprise roughly around inner housing 190 and limit one group of flow path 192 roughly level and smooth radially inner surperficial 198.Bottom part 220 can be connected at one group of horizontal integration portion/surperficial 280 places with top part 210.
With reference to figure 4, the explanatory view of multiaxis combination circulating power plant 500 is shown.Combination circulating power plant 500 can comprise, for example, be operatively connected to the gas turbine 580 of generator 570.Generator 570 and gas turbine 580 can mechanically connect by axle 515, thus can be between the live axle (not shown) of gas turbine 580 and generator 570 transferring energy.Also as shown in Figure 4, heat exchanger 586 is operatively connected to gas turbine 580 and steam turbine 592.Heat exchanger 586 can fluidly be connected to gas turbine 580 and steam turbine 592 by conventional pipelines (label omits).Gas turbine 580 and/or steam turbine 592 can be connected to other embodiments that illustrate in the engine hood system 200 of Fig. 2 or the present invention.Heat exchanger 586 can be traditional heat recovery steam generator (HRSG), that such as for conventional combination cycle generating system.As known at power field, HRSG586 can utilize from the thermal exhaust of gas turbine 580 and water and supply with in conjunction with the steam that is supplied to steam turbine 592 with generation.Steam turbine 592 can selectively be attached to the second generator system 570(by the second axle 515).Be appreciated that generator 570 and axle 515 can be arbitrary dimension known in the art and type, and can be according to its application or connected system and difference.The shared mark of generator and axle is for clarity, and might not show that these generators or axle are identical.In another embodiment, as shown in Figure 5, single shaft combination circulating power plant 590 can comprise by single shaft 515 and is attached to both single generators 570 of gas turbine 580 and steam turbine 592.Steam turbine 592 and/or gas turbine 580 can be connected to other embodiments' that illustrate in the engine hood system 200 of Fig. 2 or the present invention engine hood system 200.
The term using in the present invention only, for describing the object of specific embodiment, is not intended to limit the present invention.As used in the present invention, singulative " " and " being somebody's turn to do " are intended to also comprise plural form, unless clearly made phase antirepresentation in context.Will be further understood that, term " comprises " and/or " comprising " specifies the existence of the feature of setting forth, entirety, step, operation, element and/or parts when for this specification, but does not get rid of existence or the increase of one or more other features, entirety, step, operation, element, parts and/or its group.
This written description adopts the open the present invention of example, comprises best mode, and also makes those skilled in the art can implement the present invention, comprises and manufactures and use any device and system and carry out the method for any combination.Scope that can patented power of the present invention is defined by the claims, and can comprise that those skilled in the art expect other examples.If do not have different structural elements or these other examples to comprise and the character express of the claim equivalent structure element without essence difference if these other examples have from the character express of claim, these other examples are intended within the scope of the claims.
Claims (19)
1. a steam turbine engine hood system, it comprises:
Be configured to the bottom part of the inner housing layout of contiguous steam turbine; And
Be connected in described bottom part and described inner housing the top part of at least one, the flow path around described inner housing is arranged and roughly limited to the partially-formed described inner housing for contiguous described steam turbine in described top.
2. steam turbine engine hood system according to claim 1, is characterized in that, in described top part and described bottom part, at least one is configured to the heat insulator around described inner housing.
3. steam turbine engine hood system according to claim 1, is characterized in that, described bottom part is for good and all connected to described inner housing.
4. steam turbine engine hood system according to claim 1, is characterized in that, described top part is connected at least one in the steam guiding element in described inner housing or described steam turbine.
5. steam turbine engine hood system according to claim 4, is characterized in that, described top part is attached to described inner housing releasedly.
6. steam turbine engine hood system according to claim 1, is characterized in that, in described top part and described bottom part, at least one comprises roughly level and smooth radially inner surface.
7. steam turbine engine hood system according to claim 1, is characterized in that, described top part comprises steam inlet.
8. steam turbine engine hood system according to claim 1, is characterized in that, described top part is configured to flow towards the guiding of described bottom part.
9. steam turbine engine hood system according to claim 1, is characterized in that, described top part and described bottom part are roughly surrounded described inner housing and limited the flow path from the top of described inner housing to condenser.
10. steam turbine engine hood system according to claim 1, is characterized in that, described top part is modular.
11. 1 kinds of devices, comprising:
Top hood part, described top hood is partially-formed is the inner housing that is connected to bottom hood part and roughly supplements steam turbine, and described top hood part is configured to the described inner housing of contiguous described steam turbine and arranges and roughly limit the flow path around described inner housing.
12. devices according to claim 11, is characterized in that, described top hood part is configured to the heat insulator around described inner housing.
13. devices according to claim 11, is characterized in that, described top hood part is attached to described inner housing releasedly.
14. devices according to claim 11, is characterized in that, the top segment that described top hood part is roughly surrounded described inner housing, and limit the extremely flow path of described bottom hood part of top from described inner housing.
15. devices according to claim 11, is characterized in that, described top hood part comprises steam inlet and is configured to the guiding of described bottom hood part mobile.
16. devices according to claim 11, is characterized in that, described top hood part is modular and comprises roughly level and smooth radially inner surface.
17. 1 kinds of steam turbine system, it comprises:
Rotor component; And
Surround at least in part the stator component of described rotor component, described stator component comprises:
Frame;
Be arranged in the inner housing in described frame; And
Be arranged in the steam turbine engine hood system between described frame and described inner housing, described steam turbine engine hood system comprises:
Be configured to the bottom part that contiguous described inner housing is arranged; And
Be connected in described bottom part and described inner housing the top part of at least one, the flow path around described inner housing is arranged and roughly limited to the partially-formed described inner housing for contiguous described steam turbine in described top.
18. steam turbine system according to claim 17, is characterized in that, described bottom part is for good and all connected to described inner housing, and described top part is connected to described inner housing releasedly.
19. steam turbine system according to claim 17, is characterized in that, in described top part and described bottom part, at least one is configured to around the heat insulator of described inner housing and comprises roughly level and smooth radially inner surface.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261720822P | 2012-10-31 | 2012-10-31 | |
| US61/720822 | 2012-10-31 | ||
| US13/889,822 US20140119886A1 (en) | 2012-10-31 | 2013-05-08 | Turbine cowling system |
| US13/889822 | 2013-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103790655A true CN103790655A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310529732.5A Pending CN103790655A (en) | 2012-10-31 | 2013-10-31 | Turbine cowling system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140119886A1 (en) |
| EP (1) | EP2728129A2 (en) |
| JP (1) | JP2014092155A (en) |
| KR (1) | KR20140056095A (en) |
| CN (1) | CN103790655A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107671469B (en) * | 2017-08-17 | 2019-10-25 | 武汉船用机械有限责任公司 | A kind of welding tooling and method of gas turbine housing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US391071A (en) * | 1888-10-16 | parsons | ||
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| US762263A (en) * | 1903-12-23 | 1904-06-07 | Francis M F Cazin | Steam-turbine. |
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2013
- 2013-05-08 US US13/889,822 patent/US20140119886A1/en not_active Abandoned
- 2013-10-22 EP EP13189620.1A patent/EP2728129A2/en not_active Withdrawn
- 2013-10-28 JP JP2013222858A patent/JP2014092155A/en active Pending
- 2013-10-30 KR KR1020130130325A patent/KR20140056095A/en not_active Application Discontinuation
- 2013-10-31 CN CN201310529732.5A patent/CN103790655A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1497134A (en) * | 2002-10-15 | 2004-05-19 | 通用电气公司 | Method and device for improving steam turbine and improved steam turbine |
| US20050106006A1 (en) * | 2003-11-15 | 2005-05-19 | Alstom Technology Ltd | Steam turbine and method for the production of such a steam turbine |
| CN1749535A (en) * | 2004-09-16 | 2006-03-22 | 株式会社日立制作所 | Turbine blade and turbine device |
| CN101155973B (en) * | 2005-04-14 | 2010-05-19 | 西门子公司 | Component of a steam turbine installation, steam turbine installation, use thereof and method for producing the same |
| US20110280720A1 (en) * | 2008-11-13 | 2011-11-17 | Heinz Dallinger | Inner Housing for a Turbomachine |
| US20110116919A1 (en) * | 2009-11-13 | 2011-05-19 | General Electric Company | Support bar for turbine diaphragm that facilitates reduced maintenance cycle time and cost |
| US20120204727A1 (en) * | 2011-02-15 | 2012-08-16 | Nordlund Raymond S | Thermally isolated wall assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2728129A2 (en) | 2014-05-07 |
| US20140119886A1 (en) | 2014-05-01 |
| JP2014092155A (en) | 2014-05-19 |
| KR20140056095A (en) | 2014-05-09 |
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