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Title:
電気炉用集塵装置
Document Type and Number:
Japanese Patent JP5439042
Kind Code:
B2
Abstract:

To provide a dust collector for an electric furnace, which easily and efficiently controls scattering of soot, dust and fume generated from a ladle during tapping.

The dust collector 1 includes: a hollow and annular ring hood 10 having first suction ports 11 formed therein to surround the opening 22a of a furnace body 22; a furnace lid 17 for sealing the upper part of the ring hood 10; third suction ports 13, 13 provided at tips of flared ducts 13b, 13b of which passage areas are expanded from branchs 13a, 13a branched upwardly from ends sandwiching a tapping passage 23 of the ring hood 10, respectively toward a tapping port 23a; and a suction switching means 14 for performing suction only from the first suction ports 11 other than during tapping and performing suction from the third suction ports 13, 13 instead of the first suction ports 11 during tapping.

COPYRIGHT: (C)2011,JPO&INPIT


Inventors:
Ishihara Susumu
Yuji Ito
Katsuhiko Tsuchiya
Application Number:
JP2009133471A
Publication Date:
March 12, 2014
Filing Date:
June 02, 2009
Export Citation:
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Assignee:
Kitashiba Electric Co., Ltd.
International Classes:
F27D17/00; F27B3/10
Domestic Patent References:
JP9061068A
JP2000199691A
JP2000213875A
Attorney, Agent or Firm:
Creation International Patent Office