Title:
ELECTRIC FURNACE
Document Type and Number:
Japanese Patent JP2023014815
Kind Code:
A
Abstract:
To provide an electric furnace allowing easy control of temperature in the furnace during burning.SOLUTION: An electric furnace 1 has a lower wall 20, a left wall 22, a right wall 24, a rear wall 26, an upper wall 28 and a lid 30 forming a furnace inner space FS, heaters 21 and refrigerant pipes 34 provided in the furnace inner space FS, and a refrigerant supply part 6 supplying refrigerant into the refrigerant pipes 34. Each heater 21 is arranged at a lower part of the furnace inner space FS, each refrigerant pipe 34 is arranged at an upper part of the furnace inner space FS. The furnace walls include fireproof bricks 20A-30A.SELECTED DRAWING: Figure 1
Inventors:
KAWAI SEIJI
YOSHIHARA HIROMI
YOSHIHARA HIROMI
Application Number:
JP2021118979A
Publication Date:
January 31, 2023
Filing Date:
July 19, 2021
Export Citation:
Assignee:
METRO DENKI KOGYO KK
International Classes:
F27B17/00; F27D1/00; F27D9/00; F27D11/02; F27D19/00; H05B3/62
Attorney, Agent or Firm:
Ishida Kiki
Kiyotaka Sonoda
Kiyotaka Sonoda