MX9703219A - Cooling device for ceiling in electric arch furnaces. - Google Patents

Cooling device for ceiling in electric arch furnaces.

Info

Publication number
MX9703219A
MX9703219A MX9703219A MX9703219A MX9703219A MX 9703219 A MX9703219 A MX 9703219A MX 9703219 A MX9703219 A MX 9703219A MX 9703219 A MX9703219 A MX 9703219A MX 9703219 A MX9703219 A MX 9703219A
Authority
MX
Mexico
Prior art keywords
ceiling
external layer
furnaces
arch
aperture
Prior art date
Application number
MX9703219A
Other languages
Spanish (es)
Other versions
MXPA97003219A (en
Inventor
Milorad Pavlicevic
Peter Tishchenko
Alfredo Poloni
Angelico Della Negra
Original Assignee
Danieli Off Mecc
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 Danieli Off Mecc filed Critical Danieli Off Mecc
Publication of MXPA97003219A publication Critical patent/MXPA97003219A/en
Publication of MX9703219A publication Critical patent/MX9703219A/en

Links

Landscapes

  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The present invention describes a device to cool ceiling (10) in electric arch furnaces, of the type comprising a plurality of contiguous panels (27) placed to cover at least a ceiling (10) internal circumferential periphery substantial part, each panel (27) consisting of at least a tube (11) wherein cooling fluid flow, ceiling (10) having at least a central aperture (35) for inserting, placing and moving electrodes (28), and at least a peripheral aperture or fourth orifice (16) to ventilate emanations from furnace interior, each cooled panel (27) covering its own arch defined of ceiling (10) internal circumferential ring, and comprising a spiral-shaped cooling tube (11), spiral windings (15) are located on respective vertical planes substantially radially placed with respect to ceiling (10) center, windings (15) defining a first external layer (17) and a second internal layer (18) of tubes (11), first external layer (17) and second external layer (18) being separated by a hollow space (19) which is located on a suitable plane for furnace ceiling (10) conformation, and works as an inlet ring (19) to circulate emanations and to direct them from furnace interior towards discharging aperture (16).
MX9703219A 1996-04-30 1997-04-30 Cooling device for ceiling in electric arch furnaces. MX9703219A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUS960065 1996-04-30
UDUD96A000065 1996-04-30
USUS96A000065 1996-04-30

Publications (2)

Publication Number Publication Date
MXPA97003219A MXPA97003219A (en) 1998-04-01
MX9703219A true MX9703219A (en) 1998-04-30

Family

ID=39427821

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9703219A MX9703219A (en) 1996-04-30 1997-04-30 Cooling device for ceiling in electric arch furnaces.

Country Status (1)

Country Link
MX (1) MX9703219A (en)

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees