Charging device and distribution chute for a shaft furnace

Details Charging device and distribution chute for a shaft furnace Charging device and distribution chute for a shaft furnace

2011-03-22

2011-03-22

Rodríguez, Saúl J (Department: 3652)

Material or article handling

Chamber of a type utilized for a heating function and...

Including driven device and/or inclined flow path to carry...

C414S203000, C414S206000, C110S116000, C266S199000

Reexamination Certificate

active

07909556

ABSTRACT:
A charging device for a shaft furnace comprises a distribution chute for bulk material and a drive mechanism for the distribution chute. The distribution chute has a trough-shaped main part with an open impact section and an outlet section. The main part provides a sliding channel between the impact section and the outlet section. The drive mechanism for the distribution chute is capable of rotating the distribution chute about an essentially vertical axis and pivoting the distribution chute about an essentially horizontal axis so as to allow distribution of bulk material on a charging surface of the shaft furnace. According to the present invention, the distribution chute comprises a circumferentially closed funnel portion which tapers in the direction of flow and is arranged downstream of the impact section and with its outlet at the downstream end of said trough-shaped main part.

REFERENCES:
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JP 11 001709 A (Nouchi et al.) Jan. 1, 2006 (English machine translation of foreign publication already of record on applicant's IDS of Dec. 17, 2007). [online] [retrieved Sep. 17, 2009]. Retrieved from: http://dossier1.ipdl.inpit.go.jp/AIPN/odse—top—dn.ipdI?N0000=7400.
JP 2000 119711 A (Sasaki, Takeshi) Apr. 25, 2000 (English machine translation of foreign publication already of record on applicant's IDS of Dec. 12, 2007). [online] [retrieved Sep. 17, 2009]. Retrieved from: http://dossier1.ipdl.inpit.go.jp/AIPN/odse—top—dn.ipdl?N0000=7400.
International Search Report; PCT/EP2006/063280; Dec. 14, 2006.

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