Heat treatment facilities: backing furnaces for cold rolled work rolls (1): vertical furnaces (2)


(1) Purpose:
cold work rolls
tempering after
power current
hardening

(2) Furnaces purpose:
- №№ 46, 47,48,50,51,52 rotors
and semi-rings hardening, heating
for power current hardening, tempering
of large hot work and back up rolls after
power current hardening;

DescriptionValue
Chamber 112 rolls (D barrel up to 600 mm)
8 rolls (D barrel from 600 mm)
Chamber 26 rolls (D barrel up to 500 mm)
4 rolls (D barrel from 600 mm)
Chambers 3,4,56 rolls (D barrel up to 600 mm)
4 rolls (D barrel from 600 mm)
Preheating chamber1 roll (D up to 850 mm)
Operating temperatures range, °C80-300 °С
Temperature nonuniformity ±2,5
LiningCeramic fiber
BurnersImpulse Kromschroder, Germany
Automation systemSiemens
  
DescriptionValue
Dimensions of workspace,numbers of furnaces - D х Н, m№№ 46, 47, 48 - 2,6x8,0
№50 - 3,2x8,0
№№51,52 - 2,6x10
Maximum weight of charge
of auxiliaries
50 t
Max temperature1150°С
Temperature nonuniformity Ю0...400°С; 400... 1150°С ±10; ±5
LiningCeramic fiber Parok, Finland,
Keratech Chez Republic
BurnersImpulse Kromschroder, Germany
Automation systemSiemens