D) Soaking Pit - YOKOGAWA ZR22G Technical Information

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d) Soaking pit

The soaking pit is a type of furnace used to maintain the ingots at a constant temperature. Oxygen
concentration is controlled at a low level to suppress ingot surface oxidation.
Ahead of recuperator
Stack
Soaking pit
Temperature: 1000 to 1200°C
Pressure: 0.03 to 0.05 kPa
Dust: 0.5 g/Nm
Fuel: Gas
All Rights Reserved. Copyright © 2004, Yokogawa Electric Corporation
Sample point
Recuperator
Damper
Construction of unidirectional top section combustion soaking pit.
3
System type
H2, (H3)
Preheat Air Duct
Burner
Combustion Chamber
Exhaust Gas Port Cinder Transport Car
4. Applications
Detector Objective
D5 Combustion monitoring
Cover Remover
Furnace Cover
Furnace Bed
Ingot
Material
Cinder Removal Device
Furnace Bed Beam
TI 11M12A01-01E
4-8
T0406.EPS
F0406.EPS
May 31,2004-00