The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 21, 2019

Filed:

Jun. 23, 2015
Applicant:

Kobe Steel, Ltd., Kobe-shi, JP;

Inventor:

Tadashi Yaso, Hyogo, JP;

Assignee:

Kobe Steel, Ltd., Kobe-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 13/10 (2006.01); F27B 3/04 (2006.01); F27B 3/06 (2006.01); F27B 3/16 (2006.01); F27B 3/18 (2006.01); F27B 3/19 (2006.01); F27B 3/22 (2006.01); F27D 3/00 (2006.01); F27D 15/00 (2006.01); F27D 17/00 (2006.01); F27B 9/16 (2006.01);
U.S. Cl.
CPC ...
C21B 13/105 (2013.01); C21B 13/10 (2013.01); F27B 3/04 (2013.01); F27B 3/06 (2013.01); F27B 3/16 (2013.01); F27B 3/18 (2013.01); F27B 3/19 (2013.01); F27B 3/22 (2013.01); F27B 9/16 (2013.01); F27D 3/0033 (2013.01); F27D 15/00 (2013.01); F27D 17/001 (2013.01);
Abstract

A rotary hearth furnace includes a unit that supplies an agglomerate onto a hearth of the rotary hearth furnace, a unit that discharges a heated substance which has been heated in the rotary hearth furnace to the outside of the furnace, and a unit that discharges an exhaust gas in the rotary hearth furnace to the outside of the furnace. The rotary hearth furnace has a heating section and a non-heating section. The unit that discharges an exhaust gas to the outside of the furnace is provided in the non-heating section. A unit that takes an outside air into the furnace is provided in the non-heating section and on an upstream side in a flow direction of the exhaust gas from the unit that discharges exhaust gas to the outside of the furnace.


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