Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
溶湯加熱保持装置、物質精製装置及び物質精製方法
Document Type and Number:
Japanese Patent JP6762206
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a molten metal holding device capable of preventing the sticking solidification of a molten substance to the inner wall of a crucible caused by molten metal scattering, also easy in the exchange of a heater, and reduced in the risk of heater damage as well.SOLUTION: Provided is a molten metal holding device comprising: a device body 200 having a crucible arrangement space 201 at the inside; one or more crucibles 1 storing a molten metal 3; a first cover 4 closing the upper edge opening part of the crucible; a second cover 7 as a different body from the first cover closing the upper part of the circumferential space of the crucible; a lower part heater 20 provided at the lower region in the height direction of the crucible in the circumferential space of the crucible and heating the molten metal at the inside of the crucible; and an upper heater 10 held by the second cover, provided at the upper region in the height direction of the crucible in the circumferential space of the crucible and heating the inner wall 1a of the crucible exposed to the space 1b in the upper part of the molten metal.SELECTED DRAWING: Figure 2

Inventors:
Katsuki Yoshida
Maeda Masao
Application Number:
JP2016226471A
Publication Date:
September 30, 2020
Filing Date:
November 22, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHOWA DENKO K.K.
International Classes:
F27B14/14; C22B9/02; C22B21/06
Domestic Patent References:
JP2001172729A
JP2008163420A
Attorney, Agent or Firm:
Yoshihito Shimizu
Hisayoshi Shimizu
Ken Takada