EP1522735B1 - Zugankerverbindung bei einer Vorrichtung zum Pumpen von flüssigem Metall - Google Patents

Zugankerverbindung bei einer Vorrichtung zum Pumpen von flüssigem Metall Download PDF

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Publication number
EP1522735B1
EP1522735B1 EP05000809A EP05000809A EP1522735B1 EP 1522735 B1 EP1522735 B1 EP 1522735B1 EP 05000809 A EP05000809 A EP 05000809A EP 05000809 A EP05000809 A EP 05000809A EP 1522735 B1 EP1522735 B1 EP 1522735B1
Authority
EP
European Patent Office
Prior art keywords
post
rod
sheath
molten metal
graphite
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 - Lifetime
Application number
EP05000809A
Other languages
English (en)
French (fr)
Other versions
EP1522735A2 (de
EP1522735A3 (de
Inventor
George S. Mordue
Jorge A. Morando
Mark A. Bright
Chris T. Vild
Richard S. Henderson
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.)
Pyrotek Inc
Original Assignee
Pyrotek Inc
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 Pyrotek Inc filed Critical Pyrotek Inc
Priority claimed from EP99971898A external-priority patent/EP1129295B1/de
Publication of EP1522735A2 publication Critical patent/EP1522735A2/de
Publication of EP1522735A3 publication Critical patent/EP1522735A3/de
Application granted granted Critical
Publication of EP1522735B1 publication Critical patent/EP1522735B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00Equipment for supplying molten metal in rations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals
    • F04D7/065Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being hot or corrosive, e.g. liquid metals for liquid metal
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05Refining by treating with gases, e.g. gas flushing also refining by means of a material generating gas in situ

Definitions

  • This invention relates to the construction of a post for a molten metal pump according to the preamble of claim 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Reciprocating Pumps (AREA)

Claims (9)

  1. Stütze für Metallschmelzepumpe, die umfasst:
    eine lang gestreckte Stange (29);
    eine Hülse (31), die die lang gestreckte Stange in der Weise aufnimmt, dass sich ein erstes Ende und ein zweites Ende der Stange von der Hülse erstrecken;
    eine Kopplungseinheit (41), die einen ersten Abschnitt des Hülsenelements in der Nähe des ersten Endes der Stange wenigstens teilweise umgibt; dadurch gekennzeichnet, dass
    ein Vorbelastungselement (43) einen Abschnitt der Stange in der Nähe des ersten Endes der Stange wenigstens teilweise umgibt.
  2. Stütze nach Anspruch 1, bei der die Kopplungseinheit (41) eine Mutter umfasst.
  3. Stütze nach Anspruch 1, bei der die Hülse (31) ein Feuerfestmaterial umfasst.
  4. Stütze nach Anspruch 1, bei der die Hülse (31) ferner eine Keramikabschirmung (33) umfasst.
  5. Stütze nach Anspruch 1, bei der die Stange (29) eine wärmebeständige Legierung umfasst.
  6. Stütze nach Anspruch 1, bei der das Vorbelastungselement (43) eine Tellerfeder umfasst.
  7. Stütze nach Anspruch 1, bei der die Hülse (41) einen an einem Ende angeordneten Umfangsvorsprung aufweist.
  8. Stütze nach Anspruch 1, bei der die Hülse mehrere segmentierte Einheiten (405) umfasst.
  9. Stütze nach Anspruch 8, bei der die Stirnflächen benachbarter segmentierter Einheiten profiliert sind.
EP05000809A 1998-11-09 1999-11-09 Zugankerverbindung bei einer Vorrichtung zum Pumpen von flüssigem Metall Expired - Lifetime EP1522735B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10770198P 1998-11-09 1998-11-09
US107701P 1998-11-09
EP99971898A EP1129295B1 (de) 1998-11-09 1999-11-09 Zugankerverbindung bei einer vorrichtung zum pumpen von flüssigem metall

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP99971898A Division EP1129295B1 (de) 1998-11-09 1999-11-09 Zugankerverbindung bei einer vorrichtung zum pumpen von flüssigem metall
EP99971898.4 Division 1999-11-09

Publications (3)

Publication Number Publication Date
EP1522735A2 EP1522735A2 (de) 2005-04-13
EP1522735A3 EP1522735A3 (de) 2005-11-16
EP1522735B1 true EP1522735B1 (de) 2006-12-20

Family

ID=34315388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000809A Expired - Lifetime EP1522735B1 (de) 1998-11-09 1999-11-09 Zugankerverbindung bei einer Vorrichtung zum Pumpen von flüssigem Metall

Country Status (1)

Country Link
EP (1) EP1522735B1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598899A (en) * 1984-07-10 1986-07-08 Kennecott Corporation Light gauge metal scrap melting system
US4898367A (en) * 1988-07-22 1990-02-06 The Stemcor Corporation Dispersing gas into molten metal
DE4303759C2 (de) * 1993-02-09 1997-05-15 Eberhard Maucher Dosierpumpe
US5558505A (en) * 1994-08-09 1996-09-24 Metaullics Systems Co., L.P. Molten metal pump support post and apparatus for removing it from a base
US5944496A (en) * 1996-12-03 1999-08-31 Cooper; Paul V. Molten metal pump with a flexible coupling and cement-free metal-transfer conduit connection

Also Published As

Publication number Publication date
EP1522735A2 (de) 2005-04-13
EP1522735A3 (de) 2005-11-16

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