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Machine translation
1. (WO1981001862) METALLURGICAL MELTING AND REFINING APPARATUS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1981/001862    International Application No.:    PCT/EP1980/000151
Publication Date: 09.07.1981 International Filing Date: 19.12.1980
IPC:
C21C 5/04 (2006.01), C21C 5/56 (2006.01), F27B 3/02 (2006.01)
Applicants:
Inventors:
Priority Data:
2951826 21.12.1979 DE
Title (EN) METALLURGICAL MELTING AND REFINING APPARATUS
(FR) APPAREIL DE FUSION ET D"AFFINAGE POUR LA METALLURGIE
Abstract: front page image
(EN)The metallurgical melting and refining apparatus allows the treatment of scrap, sponge iron, solid or liquid pig iron in any mixture ratio and using as a power source coal, fuel oil, gas or electricity. To this effect and in order to reduce the investment cost, the frame of the furnace (22) has the shape of a round hearth furnace with a ratio of the diameter (d) to the height (h), measured inside, comprised between 0.8 and 2.5 and there are also provided on each side of the tap hole (10) a nozzle bed (33) for the first nozzles (24) which open under the liquid metal level. Further, the second nozzles (25), shaped like burners, open into the furnace above the liquid metal level. The charge material may be preheated and the furnace may be loaded through a heater (27) having a bottom consisting of grids (30, 31) which may be spaced apart in the middle.
(FR)L"appareil de fusion et d"affinage metallurgique permet de traiter de la ferraille, des eponges de fer, de la fonte brute solide ou liquide en proportion de melange quelconque et en utilisant comme source energetique de la houille, du mazout, du gaz ou de l"electricite. Dans ce but et en vue de reduire les frais d"investissement, la carcasse du four (22) a la forme d"un four a sole arrondi avec un rapport du diametre (d) a la hauteur (h), mesures a l"interieur, compris entre 0,8 et 2,5 et en outre il est prevu sur chacun des deux cotes du trou de percee (10) un banc a tuyeres (33) pour des premieres tuyeres (24) qui debouchent au-dessous du niveau du metal liquide. De plus, des deuxiemes tuyeres (25), en forme de bruleurs, debouchent dans le four au-dessus du niveau du metal liquide. On peut prechauffer le materiel de charge et charger le four par un rechauffeur (27) du materiel ayant un fond compose de grilles (30, 31) qui peuvent etre ecartees au milieu.
Designated States:
Publication Language: German (DE)
Filing Language: German (DE)