Industrial electric heating furnaces – Arc furnace device – Furnace body detail
Patent
1980-07-10
1983-02-01
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Furnace body detail
F27D 112
Patent
active
043719708
ABSTRACT:
A dome for an electric arc furnace comprising a central portion of refractory material and a cooled metallic crown consisting of two toroidal conduits joined by radial tubes in such a manner that it is curved. Its own volume permits variations in gas emissions during steel production to be absorbed. It comprises a manifold which fits into an extraction pipeline, so that most of the gas may be collected so as to avoid pollution. A fluid circulates in the conduits and the tubes to cool the crown.
REFERENCES:
patent: 3533611 (1970-10-01), Boyer et al.
patent: 3604376 (1971-09-01), Meyer
patent: 3967048 (1976-06-01), Longenecker
patent: 4021603 (1977-05-01), Nanjyo
patent: 4216348 (1980-08-01), Greenberger
Guilpain Bernard
Tinchant Xavier
Clesid S.A.
Envall Jr. Roy N.
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