CN103080480A - Flow dividing device for a condensation steam turbine having a plurality of outlets - Google Patents
Flow dividing device for a condensation steam turbine having a plurality of outlets Download PDFInfo
- Publication number
- CN103080480A CN103080480A CN2011800417461A CN201180041746A CN103080480A CN 103080480 A CN103080480 A CN 103080480A CN 2011800417461 A CN2011800417461 A CN 2011800417461A CN 201180041746 A CN201180041746 A CN 201180041746A CN 103080480 A CN103080480 A CN 103080480A
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- Prior art keywords
- shunt
- pressure
- cooling medium
- leading edge
- stationary point
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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
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
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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
- F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/023—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines the working-fluid being divided into several separate flows ; several separate fluid flows being united in a single flow; the machine or engine having provision for two or more different possible fluid flow paths
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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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
-
- 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
- F01D25/30—Exhaust heads, chambers, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a flow dividing device for a condensation steam turbine having a plurality of outlets comprising a flow divider (5) dividing the total steam flow within the waste steam housing (2) into two steam flows (30, 31), each flowing through an associated condenser (14, 15), a stagnation point detection device (18-20) for locating the stagnation point (29) formed upon dividing the total steam flow at the front edge of the flow divider (6), and a coolant dividing device (21, 22) by means of which the coolant infeed (23) to the condensers (14, 15) is controlled as a function of the location of the stagnation point (29) such that the stagnation point (29) is centered on the flow divider (5) while avoiding a flow disruption (32).
Description
Technical field
The present invention relates to a kind of part flow arrangement of the condensing steam turbine be used to having a plurality of outlets.
Background technique
The level that is comprised of fixing guide wheel and the impeller that rotates around machine axis of condensing steam turbine for example is configured to Baumann stage, and the contact pin of annular is installed in described Baumann stage, and by means of described contact pin, blade path is divided into the outside and subchannel inside.At this, the quality of steam stream in this grade is divided into two subflows by means of shunt, and described two subflows are passed through another vane group and directed toward condenser via different expansion path subsequently.Contact pin is assembled in the nozzle blade cascade in the mode of intersecting with guide vane, and wherein contact pin has the leading edge of annular.
Usually, contact pin consists of rigidly, so that leading edge is constant with respect to the inclination of the machine axis of condensing steam turbine about the time all the time.Usually the inflow angle with vapor stream is set as the tilt angle, and by means of described tilt angle, vapor stream hits on the leading edge of contact pin in the design conditions of condensing steam turbine.Yet if the operating mode off-design operating mode of condensing steam turbine, the velocity component of vapor stream can change so, so that the inflow angle of vapor stream no longer equals the orientation angle of the leading edge of contact pin.Any departing from of the orientation angle in inflow angle and the design conditions causes the mistake of contact pin to become a mandarin, and described mistake becomes a mandarin and causes the increase of the flow loss in the vapor stream.The described mistake of contact pin for example becomes a mandarin to become a mandarin according to the mistake inboard or the outside and causes in the inboard of contact pin or the outside consists of on the pressure side or the suction side.Occur the danger of flow separation in the suction side, cause again thus the high flow loss of vapor stream.The thermodynamic efficiency of this flow loss infringement condensing steam turbine is so that the condensing steam turbine only can be with relatively poor power work under the operating mode of off-design operating mode.
Summary of the invention
The objective of the invention is to realize a kind of part flow arrangement of the condensing steam turbine be used to having a plurality of outlets, wherein the condensing steam turbine can be worked under the operating mode of the design conditions that do not meet the condensing steam turbine with the high thermal efficiency.
Part flow arrangement according to the condensing steam turbine be used to having a plurality of outlets of the present invention has shunt, stationary point sniffer and distribution device of cooling medium, described shunt is divided into two vapor streams with total vapor stream, described two vapor streams are its corresponding condenser of percolation respectively, described stationary point sniffer is used on the shunt leading edge stationary point that consists of when separating total vapor stream being positioned, by means of described distribution device of cooling medium, control relatively with the location in stationary point the cooling medium of condenser is supplied with, so that the stationary point is positioned at the center at the stationary point distributor, in order to avoid the situation of flow separation.If the stationary point is positioned at the center at shunt, the shunt leading edge is streamed basically symmetrically so, so that flow separation do not occur at shunt.Relatively, if the stationary point outwards or inwardly changes its position on the shunt leading edge, shunt will be become a mandarin by mistake so, may flow separation occur at shunt thus.
The position of stationary point on the shunt leading edge draws from the relation of the outflow pressure of the current operating mode of condensing steam turbine and vapor stream.Outflow pressure is for itself by supplying with default to the cooling medium of condenser.The increase that the cooling medium of condenser is supplied with causes the increase of dispelling the heat when corresponding vapor stream condensation, and then causes the raising of condenser power, and the condensing pressure as the outflow pressure of this vapor stream reduces thus.Therewith relatively, when condensing temperature raises and then condensing pressure when improving by reducing the cooling medium of condenser supplied with, the back pressure of vapor stream improves.Therefore, can be by the corresponding cooling medium of each condenser being supplied with for each vapor stream adjusting condensing temperature and then regulating condensing pressure in each condenser.Ratio according to the outflow pressure of vapor stream is divided into corresponding protonatomic mass stream with the steam total mass flow at shunt, according to the present invention described protonatomic mass stream is regulated, so that the stationary point is positioned at the center in the shunt leading edge, forbid flow separation at shunt thus.
By ground positions to measure the quality of streaming of shunt by means of the stationary point sniffer to the stationary point on the shunt leading edge according to the present invention, thus according to streaming quality, namely according to the position of stationary point on the shunt leading edge by means of the outflow pressure situation of the corresponding cooling medium of each condenser being supplied with to control vapor stream.Therefore, realize according to the present invention, the position of stationary point on the shunt leading edge is owing to the cooling medium to each condenser of locating and be matched with described location is supplied with and can be remained in the central position at shunt, so that in the different operating mode of condensing steam turbine, shunt is streamed by low-loss ground all the time, in order to avoid flow separation.Therefore, the condensing steam turbine that has according to part flow arrangement of the present invention also has the high thermal efficiency in the operating mode of off-design operating mode, for example makes the effective outline of aerodynamics of shunt in described design conditions.
The stationary point sniffer preferably has pressure test device, can measure the pressure reduction in the zone of the shunt leading edge between the vapor stream on the shunt by means of described pressure test device and described pressure reduction is offered distribution device of cooling medium and to be used for control the cooling medium of condenser be supplied with.If the stationary point is positioned at the center at shunt, streaming of shunt is symmetrical basically so.Therefore, in the zone of shunt leading edge, draw the stress level that basically equates for the vapor stream on the shunt.If the stationary point to a side shifting, is compared with another sidepiece that deviates from this sidepiece at shunt on the sidepiece of shifting in the stationary point of shunt so, usually there is higher stress level on the shunt leading edge.Therefore, the pressure reduction in the zone of the voltage divider leading edge between the vapor stream on shunt is the central standard in stationary point.
Pressure test device preferably has for pressure transducer and the pressure reduction sensing equipment at the lip-deep static pressure in the zone of shunt leading edge of measuring shunt for each vapor stream, can measure poor between the static pressure by means of described pressure reduction sensing equipment.Therefore, the pressure reduction sensing equipment provides the pressure reduction of shunt both sides, so that can control according to the pressure reduction of being measured by the pressure reduction sensing equipment by means of the pressure reduction sensing equipment cooling medium of condenser is supplied with.
In the pressure transducer at least one preferably is set directly at the surface portion below by means of corresponding pressure transducer measurement static pressure of shunt.As an alternative or addedly, preferably, at least one in the pressure transducer away from existing of shunt static pressure to be measured surface portion and be coupled by means of passage and the described surface portion of the pressure transmission in the shunt.The passage that pressure transmits for example can be pick-up hole.As an alternative, preferably substitute pressure transducer and pressure reduction sensing equipment in addition and be provided with differential pressure measurement equipment, described differential pressure measurement equipment is measured static pressure to be measured in the corresponding surface portion of shunt.
Shunt preferably is configured to and the concentric ring of the machine axis of condensing steam turbine, described ring is fixed at least one axially directed blade of condensing steam turbine, wherein stretch out in the axial upstream of axially directed blade inlet edge in shunt leading edge described in the zone of shunt leading edge, so that the surface portion that has static pressure to be measured of shunt is arranged on the upstream of axially directed blade inlet edge.Therefore, advantageously, the impact of the secondary flow of axially directed blade, for example corner angle turbulent flow and boundary layer are positioned at the downstream of the described surface portion of shunt, so that static pressure to be measured there is no by the impact of the secondary flow of axially directed blade and affects on described surface portion.Therefore, the position of stationary point on the shunt leading edge is the accurate standard of streaming quality for shunt, because the detection of the position, stationary point being carried out by means of the static pressure for the treatment of to measure in surface portion is not damaged by the secondary flow effect of axially directed blade.
Preferably, by means of distribution device of cooling medium according to pressure reduction with predetermined cooling medium mass flow separately, to supply with as the cooling medium to condenser.At this, predetermined cooling medium mass flow preferably meets the maximum available cooling medium mass flow for the condensing steam turbine.Therefore, in order to derive condenser heat and to derive maximum available heat by maximum available cooling medium mass flow all the time from condenser, wherein the cooling medium mass flow that maximum is available is assigned on the condenser.In addition, preferably, control by means of distribution device of cooling medium the cooling medium of condenser is supplied with, to such an extent as to the back pressure of each vapor stream is so that the stationary point is positioned at the center in the shunt leading edge.Preferably the cooling medium separating device is fed back via pressure reduction by means of pressure test device at this, thus the back pressure of regulating each vapor stream, so that the absolute pressure reduction that is detected by pressure test device is minimum.Therefore, realize according to the present invention, the position of stationary point on shunt is positioned at the center all the time, and the absolute pressure minimum that is wherein detected by pressure test device is substantially zero.
Description of drawings
Hereinafter according to the preferred embodiment of signal annexed drawings set forth according to part flow arrangement of the present invention.Show:
Fig. 1 illustrates the schematic diagram of the condensing steam turbine of the embodiment with part flow arrangement,
Fig. 2 illustrates the embodiment's of part flow arrangement the cross-section details figure of leading edge of shunt, and
Fig. 3 to 5 illustrates the cross-section details figure around the leading edge of shunt in different flowing states that comes from Fig. 2.
Embodiment
As what find out from Fig. 1 to 5, condensing steam turbine 1 has waste vapour housing 2, is provided with turbine rotor 3 in described waste vapour housing.When condensing steam turbine 1 work, steam total mass flow percolation waste vapour housing 2, described steam total mass flow exports 4 places at the waste vapour of waste vapour housing 2 and leaves.
Be provided with the shunt 5 as annular tab in waste vapour housing 2, described shunt is divided into inner region and perimeter around turbine rotor 3 arrangements and with the flow channel in the waste vapour housing 2 coaxially.Shunt 5 has shunt leading edge 6, wherein use shunt string in the cross section of 7 shunts 5 shown in broken lines (
).The inner region of the flow channel of waste vapour housing 2 is limited by shunt inboard 8, and the perimeter is limited by the shunt outside 9, and wherein be connected with shunt and 9 connect at shunt leading edge 6 places in shunt inboard 8.
Shunt 5 is kept by the guide vane 10 of inside and outside guide vane 11 in waste vapour housing 2, and wherein shunt 5 is fixed on the inner guide vane 10 and by means of its shunt outside 9 by means of its shunt inboard 8 and is fixed on the outside guide vane 11.The steam total mass flow is divided into inner vapor stream and outside vapor stream by shunt 5, wherein exports 4 places at waste vapour and is provided with inner waste vapour pipeline 12 and is provided with outside exhaust steam passage 13 for outside vapor stream for inner vapor stream.The vapor stream of inside passes through outside waste vapour pipeline 13 guiding the second condenser 15 by inner waste vapour pipeline 12 guiding the first condensers 14 and outside vapor stream, wherein inner vapor stream condensation and outside vapor stream condensation in the second condenser 15 in the first condenser 14.In the first condensate conduit 16, derive the condensation product that the vapor stream by inside is condensed into from the first condenser 14, relatively, derive the condensation product that the vapor stream by the outside is condensed into by means of the second condensation product passage 17 from the second condenser 15.
In the zone of shunt leading edge 6, in shunt 5 in the shunt inboard the inner pressure transducer 18 of 8 assemblings and at the outside pressure transducer 19 of the shunt outside 9 assemblings.By means of pressure transducer 18,19, when shunt 5 is streamed, directly measure the static pressure on the shunt inboards 8 and measure static pressure on the shunts outside 9 by means of the pressure transducer 19 of outside by means of the pressure transducer 18 of inside in the downstream of shunt leading edge 6.In addition, in shunt 5, be provided with differential pressure measurement equipment 20, poor between the static pressures of being measured by pressure transducer 18,19 by means of described differential pressure measurement measuring apparatus.Pressure reduction is supplied to cooling water dispensing device 22 with the form of electrical signal by means of pressure difference signal wire 21.
By means of the distribution that cooling water dispensing device 22 is realized the cooling water aggregate supply, described cooling water aggregate supply supplies to cooling water dispensing device 22 by cooling water aggregate supply pipeline 23.At this, the cooling water aggregate supply is divided into that the first cooling water is supplied with and the second cooling water is supplied with, and wherein the first cooling water is supplied with and supplied to the first condenser 14 and the supply of the second cooling water supplies to the second condenser 15 in the first cooling water service 24 in the second cooling water service 25.The first vapor stream is supplied with by means of the first cooling water and be condensed into condensation product in the first condenser 14, and relatively, the second vapor stream is condensed into condensation product by means of the supply of the second cooling water in the second cooling water service 25 in the second condenser 15.Derive pipeline 26,27 by means of cooling water respectively and derive condensation product from condenser 14,15.
Streaming in Fig. 3 to 5 of shunt leading edge 6 illustrates by means of streamline 28,30,31.Becoming a mandarin has stationary point streamline 28, and described stationary point streamline consists of stationary point 29 in shunt leading edge 6.In Fig. 3 to 5 below inner streamline 30 is shown and outside streamline 31 is shown up, the vapor stream of the inner vapor stream of inner streamline 30 expressions and outside streamline 31 expression outsides wherein.In Fig. 3, stationary point 29 is positioned on the shunt string 7, so that stationary point 29 is symmetrically located at shunt leading edge 6 places.Therefore, streamline 30,31 forms around shunt string 7 symmetrically, is symmetrical by vapor stream to streaming of shunt 5 thus.Therefore, almost be same large by pressure transducer 18,19 numerical value that measure, static pressure, be approximately zero so that measure pressure reduction by means of differential pressure measurement equipment 20, wherein corresponding signal is input in the pressure difference signal wire 21 by pressure reduction equipment 20.
Shown in Figure 4 the stationary point is positioned at shunt string 7 tops in the streaming of shunt leading edge 6, so that be asymmetric to streaming of shunt leading edge 6.Therefore, at the inboard 8 formation separated regions 32 that flow, be accompanied by flow loss and the Efficiency Decreasing of condensing steam turbine.Similarly, shown in Figure 5 to the streaming of shunt leading edge 6, wherein stationary point 29 is set to the skew of shunt string 7 belows, so that consist of separated regions 32 in the shunt outside 9.
In the mobility status shown in Figure 4, the numerical value of the static pressure of being measured by the pressure transducer 19 of outside is greater than the numerical value of the static pressure of being measured by the pressure transducer 18 of inside so that by differential pressure measurement equipment 20 to cooling water dispensing device 22 via the corresponding signal of pressure difference signal wire 21 inputs.Similarly performance in the mobility status in Fig. 5, the numerical value of the static pressure of wherein being measured by the pressure transducer 19 of outside is less than the numerical value of the static pressure of being measured by the pressure transducer 18 of inside.Therefore, when pressure reduction was defined as poor in the outside pressure transducer 19 and between the pressure in the inner pressure transducer 18, the signal in the pressure difference signal wire 21 was approximately zero in the mobility status according to Fig. 3, in according to the mobility status of Fig. 4 for example for just.Therewith correspondingly, pressure reduction is negative in according to the mobility status of Fig. 5.Provide pressure difference signal via 21 pairs of cooling water dispensing devices 22 of pressure difference signal wire, wherein connect cooling water dispensing device 22, so that be that timing reduces by the cooling water of 24 pairs of the first condensers 14 of the first cooling water service and supplies with at pressure difference signal, and in the situation of keeping the cooling water aggregate supply by cooling water aggregate supply pipeline 23, increase by the cooling water of 25 pairs of the second condensers 15 of the second cooling water service and supply with.At this, mobility status changes towards mobility status shown in Figure 3, so that stationary point 29 moves on on the shunt string 7 from the shunt outside 9.Therefore, again realize the mobility status of the symmetry that centers on shunt 5 shown in Figure 3, separated region 32 shown in Figure 4 disappears thus.
The negative pressure difference signal in pressure difference signal wire 21 that exists in the mobility status according to Fig. 5 causes in cooling water dispensing device 22, cooling water aggregate supply in the cooling water aggregate supply pipeline 23 is divided into for the corresponding cooling water of the second cooling water service 25 the first cooling water service 24 of the first condenser 14 and that be used for the second condenser 15 to be supplied with, so that increase cooling water supply and the minimizing of the first condenser 14 are supplied with the cooling water of the second condenser 15, so that stationary point 29 moves on on the shunt string 7 from shunt inboard 8.At this, having eliminated separated region shown in Figure 5 32 and having flowed is even and reciprocity according to Fig. 3 again.
By control law storage in cooling water dispensing device 22, that be associated via pressure difference signal with the current location in stationary point 22, in the inhomogeneous mobility status shown in the Figure 4 and 5 turns back to mobility status according to the symmetry shown in Fig. 3.At this, eliminated at the separated region 32 shown in the Figure 4 and 5, realize thus the reduction of the flow loss in vapor stream.Therefore, the control logic by means of storage in cooling water dispensing device 22 even the operating mode of condensing steam turbine may change and depart from the design conditions of condensing type turbo machine, also realizes the thermal efficiency of condensing steam turbine 1 is remained on high level.
Claims (10)
1. for the part flow arrangement of the condensing steam turbine with a plurality of outlets, described part flow arrangement has:
Shunt (5), described shunt is divided into two vapor streams (30,31) with total vapor stream, and described two vapor streams are percolation condenser (14,15) associated with it respectively,
Stationary point sniffer (18-20), described stationary point sniffer are used for upward the stationary point (29) that forms when separating described total vapor stream being positioned in shunt leading edge (6), and
Cooling medium separating device (21,22), by means of described distribution device of cooling medium, control described condenser (14 according to the location of described stationary point (29), 15) cooling medium is supplied with (23), so that described stationary point (29) are positioned at the center at described shunt (5), in order to avoid flow separation (32).
2. part flow arrangement according to claim 1,
Wherein said stationary point sniffer (18-20) has pressure test device (20), can measure described vapor stream (30 in the zone of described shunt leading edge (6), on described shunt (5) by means of described pressure test device, 31) pressure reduction between, and described pressure reduction is offered described distribution device of cooling medium (21,22) to be used for control to described condenser (14,15) described cooling medium is supplied with (24,25).
3. part flow arrangement according to claim 2,
Wherein said pressure test device (18-20) has pressure reduction sensing equipment (20), and for described vapor stream (30,31) each in has respectively for the pressure transducer (18 at the lip-deep static pressure in the zone of described shunt leading edge (6) of measuring described shunt (5), 19), can measure pressure reduction between the described static pressure by means of described pressure reduction sensing equipment.
4. part flow arrangement according to claim 3,
In the wherein said pressure transducer (18,19) at least one is set directly at the below that can measure by means of corresponding described pressure transducer (18,19) surface portion of static pressure of described shunt (5).
5. according to claim 3 or 4 described part flow arrangements,
In the wherein said pressure transducer (18,19) at least one be away from the surface portion that has described static pressure to be measured of described shunt (5), and be coupled by means of the pressure transmission channels in the described shunt (5) and described surface portion.
6. according to claim 3 to one of 5 described part flow arrangements,
Wherein said shunt (5) is set to concentric ring, described concentric ring is fixed at least one axially directed blade (10 of described condensing steam turbine (1), 11) on, wherein stretch out in the axial upstream of axially directed blade inlet edge in shunt leading edge described in the zone of described shunt leading edge (6), so that the surface portion that has described static pressure to be measured of described shunt (5) is arranged on the upstream of described axially directed blade inlet edge.
7. according to claim 2 to one of 6 described part flow arrangements,
Wherein by means of described distribution device of cooling medium (21,22) according to described pressure reduction with predetermined cooling medium mass flow (23) separately, to supply with (24,25) as the described cooling medium to described condenser (14,15).
8. part flow arrangement according to claim 7,
Wherein said predetermined cooling medium mass flow (23) is corresponding to the available cooling medium mass flow of maximum.
9. according to claim 2 to one of 8 described part flow arrangements,
Wherein by means of described distribution device of cooling medium (21,22) control is to described condenser (14,15) described cooling medium supplies with (24,25), to such an extent as to the back pressure of each described vapor stream (30,31) is so that described stationary point (29) are positioned at the center in described shunt leading edge (6).
10. part flow arrangement according to claim 9,
Wherein by means of described pressure test device (20) via described pressure reduction to described cooling medium separating device (21,22) feed back, thereby regulate the described back pressure of each described vapor stream (30,31), so that minimum by the absolute pressure reduction of described pressure test device (20) detection.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10174372A EP2423450A1 (en) | 2010-08-27 | 2010-08-27 | Flow separator device for a condensation steam turbine with multiple outputs |
| EP10174372.2 | 2010-08-27 | ||
| PCT/EP2011/064207 WO2012025449A1 (en) | 2010-08-27 | 2011-08-18 | Flow dividing device for a condensation steam turbine having a plurality of outlets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103080480A true CN103080480A (en) | 2013-05-01 |
| CN103080480B CN103080480B (en) | 2015-04-01 |
Family
ID=44474994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180041746.1A Expired - Fee Related CN103080480B (en) | 2010-08-27 | 2011-08-18 | Flow dividing device for a condensation steam turbine having a plurality of outlets |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP2423450A1 (en) |
| CN (1) | CN103080480B (en) |
| WO (1) | WO2012025449A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9546550B2 (en) | 2012-04-23 | 2017-01-17 | Thomas Francis Landon | Bypass foil |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2724545A (en) * | 1949-12-05 | 1955-11-22 | Tech Studien Ag | Discharge casings for axial flow engines |
| GB746832A (en) * | 1953-02-10 | 1956-03-21 | Rolls Royce | Jet pipes of gas turbine engines |
| US3552877A (en) * | 1968-02-15 | 1971-01-05 | Escher Wyss Ltd | Outlet housing for an axial-flow turbomachine |
| US3802187A (en) * | 1972-06-01 | 1974-04-09 | Avco Corp | Exhaust system for rear drive engine |
| DE3025041A1 (en) * | 1979-07-02 | 1981-01-08 | Zakl Mech Im Gen K S | Divided flow turbine stage - has separate guide discs in two chambers leading to bleed-off connections |
| US5174120A (en) * | 1991-03-08 | 1992-12-29 | Westinghouse Electric Corp. | Turbine exhaust arrangement for improved efficiency |
-
2010
- 2010-08-27 EP EP10174372A patent/EP2423450A1/en not_active Withdrawn
-
2011
- 2011-08-18 CN CN201180041746.1A patent/CN103080480B/en not_active Expired - Fee Related
- 2011-08-18 EP EP11745975.0A patent/EP2609295B1/en not_active Not-in-force
- 2011-08-18 WO PCT/EP2011/064207 patent/WO2012025449A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2724545A (en) * | 1949-12-05 | 1955-11-22 | Tech Studien Ag | Discharge casings for axial flow engines |
| GB746832A (en) * | 1953-02-10 | 1956-03-21 | Rolls Royce | Jet pipes of gas turbine engines |
| US3552877A (en) * | 1968-02-15 | 1971-01-05 | Escher Wyss Ltd | Outlet housing for an axial-flow turbomachine |
| US3802187A (en) * | 1972-06-01 | 1974-04-09 | Avco Corp | Exhaust system for rear drive engine |
| DE3025041A1 (en) * | 1979-07-02 | 1981-01-08 | Zakl Mech Im Gen K S | Divided flow turbine stage - has separate guide discs in two chambers leading to bleed-off connections |
| US5174120A (en) * | 1991-03-08 | 1992-12-29 | Westinghouse Electric Corp. | Turbine exhaust arrangement for improved efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2423450A1 (en) | 2012-02-29 |
| CN103080480B (en) | 2015-04-01 |
| EP2609295A1 (en) | 2013-07-03 |
| WO2012025449A1 (en) | 2012-03-01 |
| EP2609295B1 (en) | 2015-03-18 |
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