PURPOSE: To prevent generation of an excessive bending stress in the framework of a crushing means, caused by the reaction force received by the crushing means from refractory material, so as to make the device as a whole compact and improve the dismantling ability of the crushing means.
CONSTITUTION: In a dismantling device 1 for a refractory lining a crushing means 5 is provided in a framework 4, the framework 4 being placed over a container 3 lined with a refractory material 2 which leaves a clear inside space 9 enclosed by the bottom 7 and upright side wall 8 and the crushing means 5 having a cutting tool 25 for cutting the refractory material 2 from inside outward and provided in a manner of being movable vertically and horizontally inside the clear inside space 9. In this framework 4 grounding means 6 are provided, which are set from inside plane against plane firmly on the upright side wall 8 of the refractory material 2 in grounding.
OKUDA KATSUJI
NAKATANI HIROSHI
KOTO HIROYUKI
SHOJI SHIGEO
SHIBAOKA FUMIO
FUJII KEIICHI
OKADA TOSHITAKE
ITO RYOJI
MIYAGAWA YUTAKA
KAWAKAMI HIROMI
YATAYA YOSHIKAZU
SUMITOMO METAL IND
KAWASAKI STEEL CO
NIPPON KOKAN KK
YAMAMOTO ENG WORKS