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Patent Searching and Data


Title:
ARC FURNACE AND ELECTRODE LIFTING DEVICE OF THE SAME
Document Type and Number:
Japanese Patent JP2013170778
Kind Code:
A
Abstract:

To provide an arc furnace capable of achieving lifting of an electrode at a higher speed than before and improving productivity without causing cost increase, and to provide an electrode lifting device of the arc furnace.

An arc furnace includes a furnace body 2, an electrode 4 for generating arc inside the furnace body 2, a support arm 11 for supporting the electrode 4, and an electrode lifting device 20 for lifting the support arm 11. The electrode lifting device 20 includes a double acting cylinder 21 connected to the support arm 11, and a hydraulic control device 30 for controlling supply and discharge of hydraulic fluid of the double acting cylinder 21.


Inventors:
NAKAJIMA SHINOBU
TSUKIZAKI SHINICHI
Application Number:
JP2012000035841
Publication Date:
September 02, 2013
Filing Date:
February 22, 2012
Export Citation:
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Assignee:
IHI CORP
International Classes:
F27B3/08; F27D11/10
Attorney, Agent or Firm:
特許業務法人青海特許事務所