PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
C 10 B
DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS (cracking oils C 10 G; underground gasification of minerals
E 21 B 43/295) [5]
Retorts or coke ovens
1
/
00
Retorts
1
/
02
•
Stationary retorts
1
/
04
•
•
Vertical retorts
1
/
06
•
•
Horizontal retorts
1
/
08
•
•
Inclined retorts
1
/
10
•
Rotary retorts
3
/
00
Coke ovens with vertical chambers
3
/
02
•
with heat-exchange devices
5
/
00
Coke ovens with horizontal chambers
5
/
02
•
with vertical heating flues
5
/
04
•
•
with cross-over inter-connections
5
/
06
•
with horizontal heating flues
5
/
08
•
with horizontal and vertical heating flues
5
/
10
•
with heat-exchange devices
5
/
12
•
•
with regenerators
5
/
14
•
•
•
situated in the longitudinal direction of the chambers
5
/
16
•
•
•
•
with separated flues
5
/
18
•
•
•
situated in the longitudinal direction of the oven battery
5
/
20
•
•
with recuperators
7
/
00
Coke ovens with mechanical conveying means for the raw material inside the oven
