Charging device and distribution chute for a shaft furnace
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United States of America Patent
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Mar 22, 2011
Grant Date -
May 21, 2009
app pub date -
Jun 16, 2006
filing date -
Jun 15, 2005
priority date (Note) -
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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.
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