Reactor and process for gasifying and/or melting materials

Details Reactor and process for gasifying and/or melting materials Reactor and process for gasifying and/or melting materials

F - Mech Eng,Light,Heat,Weapons

23

G

F23G 5/027 (2006.01) C10J 3/26 (2006.01) C10J 3/66 (2006.01) F23G 5/24 (2006.01)

Patent

CA 2400234

The invention relates to a reactor for gasifying and/or melt- ing feed materials, comprising the following: a delivery section (1) by which means the feed materials are introduced; a pyrolysis section (8), which adjoins the preceding section, hereby expanding the cross-section; gas supply means (10) which open into the pyrolysis section (8) approximately at the level of the expanded cross-section and by which means hot gases are supplied to a discharge cone (9); a melting and overheating section (14) which adjoins the pyrolysis section (8); upper feeding-in means (15) for introducing a medium that is rich in energy into the melting and overheating section (14); a reduction section (20) comprising gas extraction means (21), by which means excess gases are extracted; a hearth (25) which is situated beneath the reduction section (20), for collecting and diverting molten metals and slag; and lower feeding-in means (26), by which means a medium that is rich in energy is introduced directly above the melts and below the gas extraction means (21).

L'invention concerne un réacteur de gazéification et/ou de fusion de matières comprenant: une section d'alimentation (1) permettant l'introduction des matières; une section pyrolyse (8) qui prolonge la section précédente avec une section transversale élargie; des moyens d'alimentation en gaz (10) qui débouchent dans la section pyrolyse (8) approximativement au niveau du plan d'élargissement de la section transversale et qui permettent l'alimentation en gaz chauds d'un cône de versement (9); une section de fusion et de surchauffe (14) qui prolonge la section pyrolyse (8); des moyens de pulvérisation supérieurs (15) qui introduisent un agent à haute énergie dans la section de fusion et de surchauffe (14); une section de réduction (20) qui abrite des moyens d'aspiration de gaz (21) destinés à l'aspiration des surplus de gaz; un foyer (25) placé sous la section de réduction (20) et destiné à collecter et à dériver les métaux en fusion et le laitier en fusion; et des moyens de pulvérisation inférieurs (26) qui permettent l'alimentation d'un agent à haute énergie juste au-dessus des masses en fusion et sous les moyens d'aspiration de gaz (21).

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