Industrial electric heating furnaces – Arc furnace device – Electrode support
Patent
1997-02-27
1999-05-18
Jeffery, John A.
Industrial electric heating furnaces
Arc furnace device
Electrode support
373 92, 373 93, 373 94, H05B7/10
Patent
active
059057548
ABSTRACT:
System for connection of pneumatic and/or hydraulic hoses (11) on composite electrodes (12) for arc furnaces, the electrodes (12) comprising, at least one hollow adapter (13) associated at their lower part with a replaceable graphite element (14), the electrode (12) cooperating with an electrode-holder arm (15) and being displaceable axially in relation to that electrode-holder arm (15), the hoses (11) being associated at one end with a first connection assembly (18a) associated with a support (17), the adapter (13) including a solidly attached second connection assembly (18b) mating functionally with the first connection assembly (18a), the first (18a) and second (18b) connection assemblies comprising mating connecting elements (19a, 19b) equipped with elements to interrupt the flow of the fluid which can be temporally actuated, the a support (17) associated with the first connection assembly (18a) having a first inactive position temporally solid with the electrode-holder arm (15) and a second working position released from the electrode-holder arm (15) and temporally solid with the second connection assembly (18b) associated with the adapter (13), the transition from the first inactive position to the second working position of the support (17) taking place according to the position of the electrode (12) in a defined position of engagement/disengagement.
REFERENCES:
patent: 4397026 (1983-08-01), Fuchs
patent: 4672628 (1987-06-01), Hill
patent: 4853942 (1989-08-01), Celada-Salmon
patent: 5200974 (1993-04-01), Karl et al.
Dratner Johannes
Gensini Gianni
Danieili & C. Officine Meccaniche SpA
Jeffery John A.
Van Quang
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