Title:
COOLING DEVICE FOR BATCH TYPE HEAT TREATING FURNACE
Document Type and Number:
Japanese Patent JPH04325635
Kind Code:
A
Abstract:
PURPOSE: To execute automatic cooling with a simple device at the optional constant cooling speed without uneven temp. distribution.
CONSTITUTION: This device is constituted of an ejector 7 disposed to a gas exhausting duct 6 discharging atmospheric gas in a furnace to the outside of the furnace, a control valve 8 for controlling supplying quantity of compressed gas supplied to the ejector, a thermometer 5 for measuring temp. in the furnace and a controller 9 for adjusting the control valve 8 for compressed gas from the measured result with the thermometer.
Inventors:
IRITANI MASAO
HORIUCHI AKIRA
HORIUCHI AKIRA
Application Number:
JP9715191A
Publication Date:
November 16, 1992
Filing Date:
April 26, 1991
Export Citation:
Assignee:
KAWASAKI STEEL CO
International Classes:
C21D1/00; C21D11/00; F27D9/00; (IPC1-7): C21D1/00; C21D11/00; F27D9/00
Previous Patent: JPS4325634
Next Patent: MOLTEN METAL DISCHARGING CHAMBER FOR ALUMINUM FILTERING DEVICE
Next Patent: MOLTEN METAL DISCHARGING CHAMBER FOR ALUMINUM FILTERING DEVICE