WO2007071618A2 - Verdichtergehäuse aus gussstahl für tieftemperaturanwendungen - Google Patents

Verdichtergehäuse aus gussstahl für tieftemperaturanwendungen Download PDF

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Publication number
WO2007071618A2
WO2007071618A2 PCT/EP2006/069753 EP2006069753W WO2007071618A2 WO 2007071618 A2 WO2007071618 A2 WO 2007071618A2 EP 2006069753 W EP2006069753 W EP 2006069753W WO 2007071618 A2 WO2007071618 A2 WO 2007071618A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cast steel
cold
low temperatures
compressor housing
Prior art date
Application number
PCT/EP2006/069753
Other languages
German (de)
English (en)
French (fr)
Other versions
WO2007071618A3 (de
Inventor
Ralf Bode
Beate Langenhan
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP06830647A priority Critical patent/EP1966406A2/de
Priority to US12/086,789 priority patent/US20080317589A1/en
Publication of WO2007071618A2 publication Critical patent/WO2007071618A2/de
Publication of WO2007071618A3 publication Critical patent/WO2007071618A3/de
Priority to NO20082884A priority patent/NO20082884L/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0448—Steel
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/608—Microstructure

Definitions

  • the invention relates to a turbomachine, in particular compressors or turbocompressors for low-temperature applications, wherein the turbomachine has a housing.
  • Such turbomachines with housing are known.
  • housings of compressors or turbocompressors must be designed so that they can withstand a high internal pressure.
  • ⁇ operating temperatures ⁇ -120 0 C
  • materials in particular cold ⁇ tough steels with an austenitic crystal structure to manufacture lung of the housing to be used, wherein the cryogenic steels with an austenitic crystal structure disadvantageously have a very low strength
  • current housing of compressors or turbo compressors for low temperature applications with relatively large wall thicknesses are performed in order to withstand the relatively high internal pressure at the very low strength of the material.
  • the invention has the object of providing a housing, in particular ⁇ sondere a housing for the compressor, preferably for turbo compressors for low temperature applications, the effect to improve with simple means that the housing manufacturing even at very low operating temperatures with smaller wall thicknesses is adjustable.
  • the object is achieved in that the Ge ⁇ housing consists of a cold-tough material with martensitic structure.
  • the housing consists of a cold-carbon cast steel
  • the housing consists of a cold-tough cast steel ⁇ with a nickel content of 8.5 to 10%.
  • the object is also achieved in that for the preparation of a turbo compressor housing for low temperature applications ⁇ a cold-ductile material with a martensitic structure is used, in which case preferably the material ASTM A 352 LC 9 is suitable.
  • Cryogenic cast steels with high nickel content are in particular ⁇ sondere for low temperatures down to -196 0 C. Due to the advantageous alloy composition is the structure of nickel-alloyed steels, martensitic, being higher compared to steels with an austenitic crystal structure 0.2% - yield strength, low thermal expansion and a have higher heat ⁇ conductivity.
  • the higher yield strength advantageously allows lower wall thicknesses of the housing, whereby less housing material is required, so that the costs for producing the housing are considerably reduced.
  • the combination of properties of the cold-strength cast steels with a high nickel content, in particular of the material ASTM A 352 LC 9, achieves better temperature gradients and reduces thermal stresses, thus excluding the risk of plastic deformation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PCT/EP2006/069753 2005-12-20 2006-12-15 Verdichtergehäuse aus gussstahl für tieftemperaturanwendungen WO2007071618A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP06830647A EP1966406A2 (de) 2005-12-20 2006-12-15 Verdichtergehäuse für tieftemperaturanwendungen
US12/086,789 US20080317589A1 (en) 2005-12-20 2006-12-15 Compressor Housing for Use at Low Temperatures
NO20082884A NO20082884L (no) 2005-12-20 2008-06-24 Kompressorhus til bruk ved lave temperaturer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05027971A EP1801254A1 (de) 2005-12-20 2005-12-20 Verdichtergehäuse aus Gussstahl für Tieftemperaturanwendungen
EP05027971.0 2005-12-20

Publications (2)

Publication Number Publication Date
WO2007071618A2 true WO2007071618A2 (de) 2007-06-28
WO2007071618A3 WO2007071618A3 (de) 2007-08-09

Family

ID=35840129

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/069753 WO2007071618A2 (de) 2005-12-20 2006-12-15 Verdichtergehäuse aus gussstahl für tieftemperaturanwendungen

Country Status (5)

Country Link
US (1) US20080317589A1 (zh)
EP (2) EP1801254A1 (zh)
CN (1) CN101341272A (zh)
NO (1) NO20082884L (zh)
WO (1) WO2007071618A2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10557358B2 (en) * 2015-02-06 2020-02-11 United Technologies Corporation Gas turbine engine containment structures

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999032837A1 (en) * 1997-12-19 1999-07-01 Exxonmobil Upstream Research Company Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462600A (en) * 1943-01-16 1949-02-22 Jarvis C Marble Turbine
WO1993013304A1 (en) * 1984-03-15 1993-07-08 Norio Nakazawa Variable capacity turbo-supercharger

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999032837A1 (en) * 1997-12-19 1999-07-01 Exxonmobil Upstream Research Company Process components, containers, and pipes suitable for containing and transporting cryogenic temperature fluids

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Carbon and low alloy steels" INTERNET ARTICLE, [Online] 5. Juli 2004 (2004-07-05), Seiten 1-4, XP002369842 Gefunden im Internet: URL:http://web.archive.org/web/20040705123607/http://www.acipco.com/centrifugal/standards/ansi-astm/ansilow.cfm> [gefunden am 2006-02-27] *

Also Published As

Publication number Publication date
EP1966406A2 (de) 2008-09-10
EP1801254A1 (de) 2007-06-27
CN101341272A (zh) 2009-01-07
US20080317589A1 (en) 2008-12-25
NO20082884L (no) 2008-06-24
WO2007071618A3 (de) 2007-08-09

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