EP1522735B1 - Ensembles arbre et montants pour appareil de pompage de métal fondu - Google Patents

Ensembles arbre et montants pour appareil de pompage de métal fondu 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
German (de)
English (en)
Other versions
EP1522735A2 (fr
EP1522735A3 (fr
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/fr
Publication of EP1522735A2 publication Critical patent/EP1522735A2/fr
Publication of EP1522735A3 publication Critical patent/EP1522735A3/fr
Application granted granted Critical
Publication of EP1522735B1 publication Critical patent/EP1522735B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D39/00—Equipment for supplying molten metal in rations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/06—Pumps 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
    • F04D7/065—Pumps 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/05—Refining 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. Montant de pompe à métal en fusion, comprenant :
    une tige allongée (29) ;
    un manchon (31) recevant la tige allongée de sorte qu'une première extrémité et une seconde extrémité de la tige s'étendent du manchon ;
    un module (41) d'accouplement entourant au moins partiellement une première partie de l'élément de manchon proximale à la première extrémité de la tige ; caractérisé en ce que
    un élément (43) de rappel entoure au moins partiellement une partie de la tige au voisinage de la première extrémité de la tige.
  2. Montant selon la revendication 1, dans lequel le module (41) d'accouplement comprend un écrou.
  3. Montant selon la revendication 1, dans lequel le manchon (31) comprend un matériau réfractaire.
  4. Montant selon la revendication 1, dans lequel le manchon (31) comprend en outre un blindage en céramique (33).
  5. Montant selon la revendication 1, dans lequel la tige (29) comprend un alliage résistant à la chaleur.
  6. Montant selon la revendication 1, dans lequel l'élément (43) de rappel comprend une rondelle-ressort.
  7. Montant selon la revendication 1, dans lequel le manchon (41) comprend une saillie circonférentielle disposée au niveau d'une extrémité.
  8. Montant selon la revendication 1, dans lequel le manchon comprend une pluralité de modules segmentés (405).
  9. Montant selon la revendication 8, dans lequel une surface d'extrémité de modules segmentés adjacents est profilée.
EP05000809A 1998-11-09 1999-11-09 Ensembles arbre et montants pour appareil de pompage de métal fondu Expired - Lifetime EP1522735B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10770198P 1998-11-09 1998-11-09
US107701P 1998-11-09
EP99971898A EP1129295B1 (fr) 1998-11-09 1999-11-09 Ensembles arbre et montants pour appareil de pompage de metal fondu

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP99971898.4 Division 1999-11-09
EP99971898A Division EP1129295B1 (fr) 1998-11-09 1999-11-09 Ensembles arbre et montants pour appareil de pompage de metal fondu

Publications (3)

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

Family

ID=34315388

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05000809A Expired - Lifetime EP1522735B1 (fr) 1998-11-09 1999-11-09 Ensembles arbre et montants pour appareil de pompage de métal fondu

Country Status (1)

Country Link
EP (1) EP1522735B1 (fr)

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 (fr) 2005-04-13
EP1522735A3 (fr) 2005-11-16

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