EP0087643B1 - Abgaskanal für Gasturbinen - Google Patents

Abgaskanal für Gasturbinen Download PDF

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Publication number
EP0087643B1
EP0087643B1 EP83101296A EP83101296A EP0087643B1 EP 0087643 B1 EP0087643 B1 EP 0087643B1 EP 83101296 A EP83101296 A EP 83101296A EP 83101296 A EP83101296 A EP 83101296A EP 0087643 B1 EP0087643 B1 EP 0087643B1
Authority
EP
European Patent Office
Prior art keywords
section
diffuser
exhaust gas
diffuser section
exhaust
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.)
Expired
Application number
EP83101296A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0087643A1 (de
Inventor
Otto Dipl.-Ing. V. Schwerdtner
Klaus Dinstuhl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kraftwerk Union AG
Original Assignee
Kraftwerk Union AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kraftwerk Union AG filed Critical Kraftwerk Union AG
Publication of EP0087643A1 publication Critical patent/EP0087643A1/de
Application granted granted Critical
Publication of EP0087643B1 publication Critical patent/EP0087643B1/de
Expired legal-status Critical Current

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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
    • F01D25/30—Exhaust heads, chambers, or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/04—Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow

Definitions

  • the invention relates to an exhaust gas duct for gas turbines according to the preamble of patent claim 1.
  • Stationary gas turbines with a high output usually have an axial outflow housing which is connected to an exhaust gas chimney via an exhaust line.
  • the speed of the exhaust gas flow which is of the order of 100 m / s at the turbine outlet, has to be decelerated to about 50 m / s in the exhaust line, since otherwise the silencer required to reduce the noise pollution can be destroyed.
  • such a delay in the flow rate is required to reduce the leakage losses and to avoid inadmissible noises at the mouth of the exhaust gas chimney.
  • the silencer is either arranged axially behind the gas turbine or inserted vertically into the exhaust gas chimney.
  • a very long axial transition piece is required to delay the flow velocity to a level that is conducive to the muffler. If this space is not available, flow resistances have to be built in to delay and equalize the speed, but these generate additional losses.
  • the muffler were arranged vertically in the exhaust gas chimney, the deflection of the exhaust gas flow in front would create new flow irregularities, excessive speeds and turbulence, which could endanger the muffler.
  • To protect the muffler one could therefore use internals for flow equalization and deflection aids or insert the muffler high into the exhaust stack. However, such constructions would be lossy and could only be produced with relatively great effort.
  • the invention is therefore based on the object of creating an exhaust gas duct for gas turbines, the exhaust gas path of which allows a low-loss deceleration of the flow velocity while requiring little space.
  • the entire exhaust gas path is therefore formed solely by a deflection piece, which acts as a diffuser overall through a substantially horizontally oriented first diffuser section and a vertically oriented second diffuser section and therefore causes a low-loss deceleration of the flow velocity without the use of transition pieces and intermediate pieces.
  • the prerequisites for a detachment-free flow through the deflection piece and for the effectiveness of the vertically oriented second diffuser section are hereby ensured by the grille arranged in the deflection piece for uniform deflection of the exhaust gas flow.
  • the partial length of the first and second diffuser sections are freely selectable, so that the exhaust gas path can be adapted to the respective local space conditions with little effort.
  • Another advantage is the extremely economical production of the deflection piece, especially since the intermediate piece with the grille can be completed before welding to the two diffuser sections, which in particular makes it easier to weld in the individual deflection plates of the grille.
  • the exhaust gas duct begins with an only partially shown axial outflow housing 1 of a gas turbine, from which the exhaust gas flow indicated by arrows 2 emerges in the horizontal direction.
  • a low-loss deceleration of the exhaust gas flow 2 is achieved in the first diffuser section 31, the expansion angle of which is designated by a.
  • the first diffuser section 31 is directed somewhat upwards in order to avoid laying under floor F. The deviation from the horizontal, denoted by the angle ⁇ , must, however, be small, since otherwise a flow separation could already occur at the beginning of the first diffuser section 31.
  • the almost horizontally oriented first diffuser section 31 the end of which is cut off at an angle, is closed elliptical intermediate piece 32, in which a grid 321 formed by a plurality of baffle plates for deflecting the exhaust gas stream 2 in the vertical direction is arranged.
  • the uniformity of the deflection of the exhaust gas flow 2 with minimal deflection losses is ensured by a sufficient number of deflection plates of the grille 321.
  • the intermediate piece 32 with the grid 321 is then adjoined by a vertically aligned second diffuser section 33 of the deflection piece 3, which begins with an inclined section.
  • this second diffuser section 33 the expansion angle of which corresponds to the expansion angle ⁇ of the first diffuser section 31, a further low-loss deceleration of the exhaust gas stream 2 is achieved.
  • the second diffuser section 33 is followed by a vertical exhaust gas chimney, generally designated 4, which, viewed from the bottom upwards, is divided into a cylindrical muffler section 41, a conical transition piece 42 and a cylindrical chimney part 43.
  • a muffler 5 is arranged, which consists of a number of vertical plates serving as muffler elements.
  • FIGS. 2 to 4. The individual steps in the manufacture of the deflection piece 3 are shown in FIGS. 2 to 4. 2, a single circular cone diffuser K is assumed, which is divided by an oblique cut S into a miter dimension into the first diffuser section 31 and the second diffuser section 33.
  • the miter angle is designated B.
  • the oblique cut S gives the two diffuser sections 31 and 33 oblique cut surfaces in the form of ellipses which, according to FIG. 3, also match when the second diffuser section 33 is rotated through an angle of 180 ° about its axis.
  • the intermediate piece 32 with the grid 321 then only needs to be welded into the miter joint between the two diffuser sections 31 and 33 according to FIG. 4.
  • the partial lengths of the two diffuser sections 31 and 32 can be adapted to the local conditions. Since degrees of pressure recovery, flow separation criteria and total pressure losses of circular cone diffusers - depending on the length and extension angle - are known, the exhaust gas section formed by the deflection piece 3 as a circular cone diffuser can be calculated and optimized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Exhaust Silencers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
EP83101296A 1982-02-24 1983-02-10 Abgaskanal für Gasturbinen Expired EP0087643B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3206626 1982-02-24
DE19823206626 DE3206626A1 (de) 1982-02-24 1982-02-24 Abgaskanal fuer gasturbinen

Publications (2)

Publication Number Publication Date
EP0087643A1 EP0087643A1 (de) 1983-09-07
EP0087643B1 true EP0087643B1 (de) 1986-09-10

Family

ID=6156577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83101296A Expired EP0087643B1 (de) 1982-02-24 1983-02-10 Abgaskanal für Gasturbinen

Country Status (4)

Country Link
US (1) US4573551A (enrdf_load_stackoverflow)
EP (1) EP0087643B1 (enrdf_load_stackoverflow)
JP (1) JPS58158325A (enrdf_load_stackoverflow)
DE (2) DE3206626A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635857A (zh) * 2012-03-27 2012-08-15 上海诺特飞博燃烧设备有限公司 降低NOx排放的烟气再利用技术烟气与空气混合箱装置

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CH672004A5 (enrdf_load_stackoverflow) * 1986-09-26 1989-10-13 Bbc Brown Boveri & Cie
DE3831062A1 (de) * 1988-09-13 1990-03-15 Stober & Morlock Vorrichtung hinter einer gasturbine
GB9020297D0 (en) * 1990-09-17 1990-10-31 Grovag Grossventiltech Diverter valves
DE4040703A1 (de) * 1990-12-19 1992-06-25 Siemens Ag Kaminanordnung fuer eine gas- und dampfturbinenanlage
NL9101782A (nl) * 1991-10-24 1993-05-17 Philip Rijk Koudijs Afvoersysteem voor verbrandingsgassen.
DE4241614A1 (de) * 1992-12-10 1994-06-16 Abb Research Ltd Schalldämpfer auf der Abgasseite von Turbinen
DE4412801A1 (de) * 1994-04-14 1995-10-19 Balcke Duerr Ag Vorrichtung zur Schalldämmung
US5837890A (en) * 1994-12-12 1998-11-17 Aero Systems Engineering, Inc. Jet engine test cell structure
IT1291268B1 (it) * 1997-02-07 1998-12-30 Danieli Off Mecc Condotto di evacuazione fumi insonorizzato
RU2141037C1 (ru) * 1997-11-13 1999-11-10 Открытое акционерное общество "Авиадвигатель" Выхлопная система газотурбинной установки
RU2144986C1 (ru) * 1997-11-13 2000-01-27 Открытое акционерное общество "Авиадвигатель" Устройство для выпуска газов из турбомашины
US6802690B2 (en) * 2001-05-30 2004-10-12 M & I Heat Transfer Products, Ltd. Outlet silencer structures for turbine
US6851514B2 (en) 2002-04-15 2005-02-08 Air Handling Engineering Ltd. Outlet silencer and heat recovery structures for gas turbine
AU2003247427A1 (en) * 2003-05-28 2005-01-21 Burns And Mcdonnell Engineering Company, Inc. Aircraft ground run-up enclosure
US6920959B2 (en) * 2003-05-30 2005-07-26 M & I Heat Transfer Products Ltd. Inlet and outlet duct units for air supply fan
ITMI20070627A1 (it) * 2007-03-29 2008-09-30 Polimeri Europa Spa Dispositivo miscelatore a bassa perdita di carico e suo impiego nella miscelazione di due gas-vapori
US7707818B2 (en) * 2008-02-11 2010-05-04 General Electric Company Exhaust stacks and power generation systems for increasing gas turbine power output
US10001272B2 (en) * 2009-09-03 2018-06-19 General Electric Technology Gmbh Apparatus and method for close coupling of heat recovery steam generators with gas turbines
EP2325559B1 (de) * 2009-11-19 2016-12-28 NEM Power-Systems, Niederlassung Deutschland der NEM B.V. Niederlande Anordnung zur Beeinflussung einer Abgasströmung
US8087491B2 (en) * 2010-01-08 2012-01-03 General Electric Company Vane type silencers in elbow for gas turbine
US8757969B2 (en) * 2010-09-15 2014-06-24 General Electric Company Turbine exhaust plenum
CN102182521B (zh) * 2011-04-21 2014-02-26 中国船舶重工集团公司第七�三研究所 一种内部装有导流板的焊接弯头
EP2677123B2 (en) * 2012-06-18 2018-04-25 General Electric Technology GmbH Diffuser for turbomachines
RU2525993C1 (ru) * 2013-03-21 2014-08-20 Открытое акционерное общество Научно-производственное объединение "Искра" Выхлопное устройство для газотурбинной установки
US20150240667A1 (en) * 2014-02-26 2015-08-27 General Electric Company Exhaust plenum for radial diffuser
DE102014212910A1 (de) * 2014-07-03 2016-01-07 Siemens Aktiengesellschaft Strömungsumlenkung bei einer Strömungsmaschine
JP5939554B2 (ja) * 2015-01-06 2016-06-22 三菱重工業株式会社 ガスタービン排気設備
US10280772B2 (en) 2015-06-22 2019-05-07 Saudi Arabian Oil Company Flow distribution device and method
CN109426686B (zh) * 2017-08-29 2022-06-24 江铃汽车股份有限公司 一种排气系统声学一维分析方法
CN109372637B (zh) * 2018-12-16 2021-04-16 中国航发沈阳发动机研究所 一种燃气轮机排气装置流路设计方法
CN116146293A (zh) * 2021-11-19 2023-05-23 浙江内曼格机械制造有限公司 一种燃气轮机排气抵热应力及消音装置
JP2024052234A (ja) * 2022-09-30 2024-04-11 コーキ株式会社 煙突

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DE588113C (de) * 1929-01-09 1933-11-14 Hermann Foettinger Dr Ing Leitflaechenanordnung fuer offene und geschlossene Kanaele
FR977523A (fr) * 1942-07-31 1951-04-02 Procédé et dispositifs de réalisation des circuits de fluides comportant des variations de vitesse
DE1207163B (de) * 1959-04-13 1965-12-16 Richardsons Westgarth & Co Rohrkruemmer mit kaskadenfoermigem Leitschaufelgitter
US3187835A (en) * 1960-02-08 1965-06-08 Cloyd D Smith Jet engine noise suppressor
US3227240A (en) * 1964-05-04 1966-01-04 Gen Electric Air mingling sound suppressor for jet engine
FR1454054A (fr) * 1965-08-21 1966-07-22 Rateau Soc Perfectionnement aux installations motrices à turbine à gaz
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US3715009A (en) * 1970-08-17 1973-02-06 Gen Acoustics Corp Jet engine noise suppression system
DE2058452A1 (de) * 1970-11-27 1972-05-31 Gerber Schall Schwingungstech Schalldaempfer fuer Abgasstroeme grosser Geschwindigkeit
US3739872A (en) * 1971-05-27 1973-06-19 Westinghouse Electric Corp Gas turbine exhaust system
NL157085B (nl) * 1973-11-16 1978-06-15 Tno Omgezet pijpleidingdeel met een rooster in de doorlaat.
FR2266029B1 (enrdf_load_stackoverflow) * 1974-03-28 1976-10-08 Bertin & Cie
JPS51108109A (ja) * 1975-03-20 1976-09-25 Kawasaki Heavy Ind Ltd Boongatagasutaabinsochino kyuhaikisochi
JPS52125607U (enrdf_load_stackoverflow) * 1976-03-19 1977-09-24
DE2733931B2 (de) * 1977-07-27 1979-08-23 Kraftwerk Union Ag, 4330 Muelheim Gasturbinenanlage mit einem der Gasturbine nachgeschalteten Wärmetauscher zur Abhitzeverwertung
DE2734329C2 (de) * 1977-07-29 1978-12-21 Kraftwerk Union Ag, 4330 Muelheim Anordnung zur wärmeelastischen Abstützung des Abgaskamins einer Gasturbinenanlage
DE2926365A1 (de) * 1979-06-29 1981-01-15 Kraftwerk Union Ag Abgaskanal fuer gasturbinen
JPS5928093Y2 (ja) * 1979-07-19 1984-08-14 ヤンマーディーゼル株式会社 ガスタ−ビンの防音パツケ−ジ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635857A (zh) * 2012-03-27 2012-08-15 上海诺特飞博燃烧设备有限公司 降低NOx排放的烟气再利用技术烟气与空气混合箱装置
CN102635857B (zh) * 2012-03-27 2016-05-18 上海诺特飞博燃烧设备有限公司 降低NOx排放的烟气再利用技术烟气与空气混合箱装置

Also Published As

Publication number Publication date
US4573551A (en) 1986-03-04
JPH0413524B2 (enrdf_load_stackoverflow) 1992-03-10
DE3206626A1 (de) 1983-09-01
DE3365942D1 (en) 1986-10-16
JPS58158325A (ja) 1983-09-20
EP0087643A1 (de) 1983-09-07

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