EP0014941B1 - Gekühltes Turbinen- oder Verdichtergehäuse - Google Patents

Gekühltes Turbinen- oder Verdichtergehäuse Download PDF

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Publication number
EP0014941B1
EP0014941B1 EP19800100699 EP80100699A EP0014941B1 EP 0014941 B1 EP0014941 B1 EP 0014941B1 EP 19800100699 EP19800100699 EP 19800100699 EP 80100699 A EP80100699 A EP 80100699A EP 0014941 B1 EP0014941 B1 EP 0014941B1
Authority
EP
European Patent Office
Prior art keywords
housing
jacket
cooling gas
cooling
cooled turbine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP19800100699
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0014941A1 (de
Inventor
Hartmut Dr. Dipl.-Ing. Griepentrog
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.)
Gutehoffnungshutte Sterkrade AG
Original Assignee
Gutehoffnungshutte Sterkrade 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 Gutehoffnungshutte Sterkrade AG filed Critical Gutehoffnungshutte Sterkrade AG
Publication of EP0014941A1 publication Critical patent/EP0014941A1/de
Application granted granted Critical
Publication of EP0014941B1 publication Critical patent/EP0014941B1/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
    • F01D25/08—Cooling; Heating; Heat-insulation
    • F01D25/14—Casings modified therefor
    • 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

Definitions

  • the invention relates to a cooled turbine or compressor housing, which is surrounded by a jacket, wherein the space between the jacket and turbomachine housing is flowed through by a cooling gas separated from the working medium.
  • a cooled housing of the type mentioned is already known from DE-C-367 109.
  • the cooling gas outlet openings open into an ejector device upstream of a chimney, so that the cooling air is extracted. It is fed to the chimney ejector through closed channels or pipes; the cooling gas flow therefore requires a high flow rate of the exhaust gases.
  • the cooling does not work without exhaust gas flow. At least in the phase-out phase, a cooling air flow must therefore also be generated by a motor.
  • the task is to create a cooled housing for turbines or compressors which does not require any additional conveying means which are driven mechanically or by ejector action.
  • the housing according to the invention also enables cooling in process gas turbines which are designed for operation with gases with temperatures higher than 700 ° C. Insulations which are applied directly to the outside of the housing are not suitable, particularly with these turbines, since they do not enable the necessary temperature reduction in the housing wall.
  • a cooling system is known from CH-A-241 696, in which air compressed by the fan for cooling the turbine housing is passed through a connecting piece into a cavity which serves as a cooling element.
  • a separate air drive device is therefore also required in this device.
  • Cooling channels are formed in the space between the jacket and the fluid machine housing.
  • the cooling channels and their inlets and outlets are distributed and dimensioned in such a way that an adequate, natural convection flow can develop due to the thermal buoyancy.
  • the housing according to the invention should therefore have inlet and outlet openings for the cooling channels at least in the base or apex area.
  • a turbine housing 100 is shown in the figure. It is easily possible to transfer the inventive idea to a compressor housing, since the problem of temperature dissipation is the same for the two types of housing.
  • the housing 100 shown in the sections according to FIGS. 1 and 2 consists of an upper shell 1 and a lower shell 2.
  • the resulting housing 100 has an essentially uniform, egg-shaped shape.
  • the upper shell 1 is equipped with connecting pieces 3, 4 projecting upward from the housing, the arrows showing the flow directions showing the inlet and outlet ports.
  • the housing consisting of the shells 1 and 2 is surrounded by an insulating jacket 5, which consists, for example, of pressed rock wool or high-temperature-resistant Si0 2 or Al 2 O 3 fibers.
  • ribs, steel beams or the like are attached to the outside of the actual housing or to the connecting piece, which reach through the insulating jacket and fasten it. 1, such fastening ribs 6 are shown.
  • Through the jacket 5 also extend the input and output shafts 19 ', 19 ", which are indicated by dashed lines in the drawing.
  • a space is formed between the insulating jacket 5 and the housing and connecting piece walls 7, which serves as a cooling channel 8, which thus extends practically over the entire surface of the housing shells 1, 2.
  • cooling gas openings 14 are also provided for the cooling channels in the central region, namely on the all-round joint on the longitudinal flanges between the upper and lower shell , whereby the outside air flowing in mixes with the convection air flow, amplifies and cools it. This improves heat dissipation.
  • the cooling channels are arranged in the area of the upper shell in such a way that they also extend along the connection pipe shell 13 extend and have an outlet opening 10 in the region of the nozzle flange 11.
  • inlet and outlet openings for the intermediate space is selected so that a path with as little air resistance as possible is provided for the rising cooling gases.
  • inlet and outlet openings are all around in the region of the joint 9, d. H. in the axis plane, and in the foot area of the housing (at 12).
  • the inlet temperature in the inlet connection 3 is 727 ° C.
  • it is, for example, in the outlet connection 620 ° C.
  • Temperatures occur in the interior of the housing, which are approximately between 400 ° C. and 700 ° C. It can be seen that when the insulating jacket lies directly on the outer wall of the housing, the resulting quantities of heat cannot be dissipated to a sufficient extent, so that the housing would overheat and thus shorten the stability of the turbine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP19800100699 1979-02-14 1980-02-12 Gekühltes Turbinen- oder Verdichtergehäuse Expired EP0014941B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792905564 DE2905564C2 (de) 1979-02-14 1979-02-14 Gekühltes Turbinen- oder Verdichtergehäuse
DE2905564 1979-02-14

Publications (2)

Publication Number Publication Date
EP0014941A1 EP0014941A1 (de) 1980-09-03
EP0014941B1 true EP0014941B1 (de) 1982-03-31

Family

ID=6062875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19800100699 Expired EP0014941B1 (de) 1979-02-14 1980-02-12 Gekühltes Turbinen- oder Verdichtergehäuse

Country Status (5)

Country Link
EP (1) EP0014941B1 (ja)
JP (2) JPS55109705A (ja)
BR (1) BR8000882A (ja)
DE (1) DE2905564C2 (ja)
MX (1) MX149954A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010072708A (ko) 1998-08-18 2001-07-31 칼 하인쯔 호르닝어 터빈 하우징
EP1446556B1 (de) 2001-10-30 2006-03-29 Alstom Technology Ltd Turbomaschine
AU2002951688A0 (en) * 2002-09-25 2002-10-17 Dbt Diesel Pty Limited Turbocharged compression ignition engine
EP2065568A1 (de) * 2007-11-28 2009-06-03 Siemens Aktiengesellschaft Kühlung einer Dampturbine
DE112015003273T5 (de) * 2014-07-16 2017-05-18 Borgwarner Inc. Abgasturbolader
CN109057887B (zh) * 2018-09-25 2023-12-12 西安热工研究院有限公司 超临界工质透平壳体保温及内外对流冷却装置及其工作方法
CN109083704B (zh) * 2018-09-25 2023-10-20 西安热工研究院有限公司 超临界工质涡轮机组壳体保温散热装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE367109C (de) * 1922-02-28 1923-01-17 Michael Knoerlein Dipl Ing Luftkuehlung von Verbrennungskraftmaschinen, insbesondere Turbinen
DE507129C (de) * 1927-11-27 1930-09-12 Bbc Brown Boveri & Cie Einrichtung zum Ausgleich der Waerme waehrend des Erkaltens einer ausser Betrieb gesetzten Dampf- oder Gasturbine
BE429026A (ja) * 1937-07-07
CH214696A (de) * 1939-12-27 1941-05-15 Maschf Augsburg Nuernberg Ag Gasturbinenanlage.
CH245486A (de) * 1944-12-22 1946-11-15 Oerlikon Maschf Verfahren zur Kühlung von Teilen einer Wärmekraftanlage.
CH271215A (de) * 1950-04-28 1950-10-15 Huldr Schneebeli Jac Gasturbinenanlage.
DE1034924B (de) * 1953-08-21 1958-07-24 Sulzer Ag Gasturbine mit verripptem Gehaeuse
CH425341A (de) * 1965-07-23 1966-11-30 Bbc Brown Boveri & Cie Gasturbine mit Kühlung der Schaufelträger
JPS545921Y2 (ja) * 1975-06-16 1979-03-17

Also Published As

Publication number Publication date
JPS6351102U (ja) 1988-04-06
JPH0329522Y2 (ja) 1991-06-24
EP0014941A1 (de) 1980-09-03
BR8000882A (pt) 1980-10-21
DE2905564C2 (de) 1981-08-27
MX149954A (es) 1984-02-15
JPS55109705A (en) 1980-08-23
DE2905564B1 (de) 1981-01-29

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