Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
METHOD OF DISMOUNTING FURNACE WITH MULTILAYER REFRACTORY STRUCTURE
Document Type and Number:
Japanese Patent JP2010159950
Kind Code:
A
Abstract:

To provide a method of dismounting a furnace with a multilayer refractory structure capable of reducing work load while securing safety against asbestos.

The method is used for dismounting the furnace with the multilayer refractory structure including a shell 61, a containing layer 62A covering the inner side of the shell 61 and formed by containing refractory materials 621, 622 containing asbestos, and a non-containing layer 62B covering the inner side of the containing layer 62A and formed by non-containing refractory materials 623-625 containing no asbestos to form multiple layers. After a primary dismounting process of dismounting the non-containing layer 62B from the core side while leaving the containing layer 62A and at least one layer 623 of the non-containing layer 62B brought into contact with the containing layer 62A as remaining parts 62C is performed, a secondary dismounting process of dismounting the remaining parts 62C is performed in accordance with countermeasures against asbestos.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
KURAYOSHI KAZUMI
KATO AKIRA
MORI KATSUMI
DOI YOSHIHITO
Application Number:
JP2009202502A
Publication Date:
July 22, 2010
Filing Date:
September 02, 2009
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON STEEL ENG CO LTD
International Classes:
F27D1/16; C21B9/10; F27B9/34
Domestic Patent References:
JP2004144392A2004-05-20
JP2004177081A2004-06-24
JP2006220404A2006-08-24
JP3118801Y
JP3017655B
JP2002310568A2002-10-23
JP2009256930A2009-11-05
Attorney, Agent or Firm:
特許業務法人樹之下知的財産事務所