EP1422973A1 - Corps moulé composé d'une mase Söderberg - Google Patents

Corps moulé composé d'une mase Söderberg Download PDF

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Publication number
EP1422973A1
EP1422973A1 EP02406004A EP02406004A EP1422973A1 EP 1422973 A1 EP1422973 A1 EP 1422973A1 EP 02406004 A EP02406004 A EP 02406004A EP 02406004 A EP02406004 A EP 02406004A EP 1422973 A1 EP1422973 A1 EP 1422973A1
Authority
EP
European Patent Office
Prior art keywords
mold
wall
groove
parallel
base plate
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.)
Withdrawn
Application number
EP02406004A
Other languages
German (de)
English (en)
Inventor
Robert Becker
Philippe Maurer
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.)
Aluminium Rheinfelden GmbH
Original Assignee
Aluminium Rheinfelden GmbH
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 Aluminium Rheinfelden GmbH filed Critical Aluminium Rheinfelden GmbH
Priority to EP02406004A priority Critical patent/EP1422973A1/fr
Priority to ES03405309T priority patent/ES2379463T3/es
Priority to AT03405309T priority patent/ATE537685T1/de
Priority to EP20030405309 priority patent/EP1422974B1/fr
Publication of EP1422973A1 publication Critical patent/EP1422973A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • H05B7/09—Self-baking electrodes, e.g. Söderberg type electrodes

Definitions

  • the invention relates to a shaped body made from a Söderberg mass for electric arc furnaces, with a floor surface, one at a right angle to the floor surface standing longitudinal axis and one parallel to the longitudinal axis from the circumference of the floor surface circumferential surface extending to the circumference of a cover surface.
  • Shaped bodies from a Söderberg mass are used in practice for different Electrolysis processes used, for example for the production of ferroalloys.
  • a Söderberg mass consists mainly of anthracite, coke, binders and possibly other additives. To transport the molded body these are placed on pallets after manufacture and can be used with a Forklift trucks are transported. The insertion of the shaped bodies into the electrodes usually takes place by means of a crane.
  • the invention has for its object the shaped body of the aforementioned Type in such a way that they are transported with a forklift can, without the need for a pallet or other packaging aids are.
  • Two groove-shaped depressions lead to the achievement of the object according to the invention with one parallel and at the same distance to the floor surface, against the bottom surface of the first groove wall from opposite one another Sides of the outer surface are molded.
  • the inventive Shaped body have the groove-shaped depressions with the longitudinal axis an angle of about 30 to 60 °, preferably about 45 °, from which Shell surface against the top surface rising second groove wall.
  • Prefers are the two groove walls of a groove bottom lying parallel to the longitudinal axis limited, the groove bottoms of the two wells expediently stand parallel to each other.
  • the special cross-sectional formation of the Groove-shaped depressions enable safe and quick approach the forks of a forklift truck to the first groove wall serving as a support.
  • the cylindrical shape is for molding the not groove-shaped depressions.
  • the moldings according to the invention can be used without a pallet with a forklift unloaded, transported and stacked. In addition, traffic jams and Storage space can be saved.
  • the devices used today for the production of moldings from a Söderberg mass have one on a level Base plate standing tubular mold with a right angle to Base plate standing mold axis.
  • the mold includes one with the base plate connected, fixed mold wall part and two on the fixed Mold wall part articulated to be parallel to the mold axis Swiveling parts of the mold wall.
  • Such a device is distinguished for producing the device according to the invention Shaped body according to the invention in that two web-shaped Elevations with one parallel and at the same distance to the floor slab, from the base plate facing away from the first wall of the protrude pivoting mold wall parts. When the mold is closed the elevations face each other and protrude into the interior of the Mold one.
  • the web-shaped elevations preferably have one with the mold axis an angle of about 30 to 60 °, preferably about 45 °, of the Mold wall parts against the interior of the mold rising second web wall on.
  • the two web walls are preferably one parallel to the mold axis lying transverse wall limited, the transverse walls of the two elevations stand preferably parallel to each other in the closed state of the mold.
  • the mold wall parts form the molds for the production of customary shapes in the closed state of the mold, a cylindrical mold inner wall.
  • the two groove-shaped Recesses 18, 20 each have a parallel and at the same distance a to the bottom surface 14 lying groove wall 22, 24 directed against the bottom surface 14 on.
  • the distance a of the first groove wall directed against the bottom surface 14 22, 24 to the top surface 16 is smaller than the distance b of the first groove wall 22, 24 to the floor surface 14.
  • the groove-shaped depressions 18, 20 face one of the outer surface 12 the top surface 16 rising second groove wall 26, 28.
  • the groove wall 26, 28 forms an angle ⁇ of, for example, 45 ° with the longitudinal axis z.
  • the two groove walls 22, 26 and 24, 28 are from a parallel to the longitudinal axis z lying groove bottom 30, 32 limited.
  • the groove bottoms 30, 32 of the two depressions 18, 20 are parallel to each other.
  • the shaped body shown in FIGS. 1 to 3 has a diameter, for example D and a height h of 1000 mm each, the mutual distance d the two groove bottoms 30, 32 is 800 mm.
  • the distance a of the first groove walls 22, 24 from the bottom surface 14 is, for example, 750 mm, the distance b to the top surface 16 250 mm.
  • the maximum width s of the first groove wall 22, 24 is 100 mm.
  • Shaped body 10 with the groove-shaped recesses 18, 20 has a tubular Mold 34 made of, for example, 8 mm thick steel sheet.
  • the mold 34 lies a base plate 36 made of steel.
  • the base plate 36 stands up for the vibrating process suitable steel feet 38.
  • the mold 34 is formed in three parts and has a fixed mold wall part connected to the base plate 36 40, on each of which a mold wall part 42, 44 via hinge joints are articulated and pivotable about pivot axes e, f.
  • About interlocks 46 with plug pins can mold 34 in the closed state with formation a cylindrical mold inner wall 68 can be locked. It says the axis m of the mold 34 is perpendicular to the horizontal base plate 36.
  • the web-shaped elevations 48, 50 are on the inside of the two pivotable mold wall parts 42, 44 web-shaped elevations 48, 50 formed in the closed State of the mold 34 facing each other and inside protrude the mold 34.
  • the web-shaped elevations 48, 50 each have a parallel and at the same distance t to the base plate 36, from the Base plate 36 facing away from the pivotable mold wall parts 42, 44 projecting first web wall 52, 54.
  • a second web wall 56, 58 rises from the mold wall parts 42, 44 against the interior of the mold 34 and forms an angle ⁇ of, for example, 45 ° with the mold axis m.
  • the two web walls 52, 56 and 54, 58 are parallel to the mold axis m lying transverse wall 60, 62 limited.
  • the transverse walls 60, 62 of the two web-like elevations 48, 50 are in the closed state of the mold 34 parallel to each other.
  • the closed mold 34 is heated with hot still filled with plastic Söderberg mass. Then the device shaken or vibrated to compress the Söderberg mass and subsequently cooled by applying water to the mold outer wall. As soon as the resulting molded body 10 reaches sufficient strength has, the mold 34 is unlocked and by pivoting the two mold wall parts 42, 44 open.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP02406004A 2002-11-20 2002-11-20 Corps moulé composé d'une mase Söderberg Withdrawn EP1422973A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02406004A EP1422973A1 (fr) 2002-11-20 2002-11-20 Corps moulé composé d'une mase Söderberg
ES03405309T ES2379463T3 (es) 2002-11-20 2003-05-01 Cuerpo conformado de una pasta Söderberg
AT03405309T ATE537685T1 (de) 2002-11-20 2003-05-01 Formkörper aus einer söderbergmasse
EP20030405309 EP1422974B1 (fr) 2002-11-20 2003-05-01 Objet façonné obtenu à partir de matériel de nature Söderberg

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02406004A EP1422973A1 (fr) 2002-11-20 2002-11-20 Corps moulé composé d'une mase Söderberg

Publications (1)

Publication Number Publication Date
EP1422973A1 true EP1422973A1 (fr) 2004-05-26

Family

ID=32187297

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02406004A Withdrawn EP1422973A1 (fr) 2002-11-20 2002-11-20 Corps moulé composé d'une mase Söderberg

Country Status (3)

Country Link
EP (1) EP1422973A1 (fr)
AT (1) ATE537685T1 (fr)
ES (1) ES2379463T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE529118C (de) * 1925-06-06 1931-07-10 Josias Rees Metallarmierte kontinuierliche Kohlenelektrode fuer elektrische OEfen
US5373958A (en) * 1993-03-24 1994-12-20 Lobo Containers, Inc. Plastic container with threaded closure
US5749497A (en) * 1996-07-03 1998-05-12 S. C. Johnson & Son, Inc. Container and retractable hanger system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE529118C (de) * 1925-06-06 1931-07-10 Josias Rees Metallarmierte kontinuierliche Kohlenelektrode fuer elektrische OEfen
US5373958A (en) * 1993-03-24 1994-12-20 Lobo Containers, Inc. Plastic container with threaded closure
US5749497A (en) * 1996-07-03 1998-05-12 S. C. Johnson & Son, Inc. Container and retractable hanger system

Also Published As

Publication number Publication date
ATE537685T1 (de) 2011-12-15
ES2379463T3 (es) 2012-04-26

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