Title:
ELECTRIC FURNACE
Document Type and Number:
WIPO Patent Application WO/2018/110174
Kind Code:
A1
Abstract:
This electric furnace has: a furnace body having an electrode; and a slag retaining furnace which retains molten slag kept in a molten state and which, by being tilted, allows the molten slag to be poured into the furnace body. The furnace body has: a cylindrical furnace wall; a furnace lid which is provided at the upper end of the furnace wall; a furnace bottom which is provided at the lower end of the furnace wall and which has a deep bottom section and a shallow bottom section that is a region at a height of 150-500 mm with respect to the deepest portion of the deep bottom section; and a slag pouring port which is provided in the furnace lid and through which the molten slag is poured from the slag retaining furnace. The slag pouring port has an overlapping portion with respect to the shallow bottom section in a plan view, and the area ratio of the shallow bottom section to the furnace bottom is 5-40% in a plan view.
More Like This:
| JP2935595 | [Title of Invention] Metallurgical Container |
| JP2001330232 | ASH MELTING FURNACE |
Inventors:
HARADA TOSHIYA (JP)
ARAI TAKASHI (JP)
ARAI TAKASHI (JP)
Application Number:
PCT/JP2017/040600
Publication Date:
June 21, 2018
Filing Date:
November 10, 2017
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
F27B3/08; C21C5/28; C22B7/04
Domestic Patent References:
| WO2014003123A1 | 2014-01-03 |
Foreign References:
| JP2002317918A | 2002-10-31 | |||
| JPH102538A | 1998-01-06 | |||
| JP2008075950A | 2008-04-03 | |||
| JP2016244501A | 2016-12-16 | |||
| JPS5233897A | 1977-03-15 | |||
| JP2003520899A | 2003-07-08 | |||
| JP2005146357A | 2005-06-09 | |||
| JPS5522320B2 | 1980-06-16 |
Other References:
SCANDINAVIAN JOURNAL OF METALLURGY, vol. 32, 2003, pages 7 - 14
See also references of EP 3557170A4
See also references of EP 3557170A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
Download PDF:
Previous Patent: PHOTOCATALYTIC MATERIAL AND PHOTOCATALYTIC COATING COMPOSITION
Next Patent: MOUNTING PORTION STRUCTURE OF DOOR MIRROR
Next Patent: MOUNTING PORTION STRUCTURE OF DOOR MIRROR