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Table 7.3 Energy saving and emission reduction technologies in iron and steel industry with
higher energy efficiency and technical improvement at the core typical energy-saving and emissionreduction technologies in iron and steel industry
Procedure
Technique
Underlying method (in Part)
Row materials preparation Environmentally-friendly
enclosed stockyard of raw
materials
Raw material blending
technology
Variable frequency motor
system technology for
conveyor belt
Coking
Moisture adjustment of coal
Removal of some moisture from
coking coal before loading into
chamber
Pipe-type sensible heat
recovery boiler technology
Cooling by residual hot water
from the upper section of initial
cooler
Negative pressure benzene
removal
Residual heat recovery from
waste gas of coke oven riser
pipe
Coke dry quenching technology Heat exchange with red coke
using cold inert gas or waste gas
from combustion
SCOPE21 coking technology
Coal blending with waste
plastics or rubber
Coke oven heating optimization
control system technology
Ammonia distillation with tube
furnace
Sintering
Mini pellet sintering technique
Air leakage reduction in
sintering
Low temperature sintering
technique
High bed height sintering
technology
Recovery and reuse of waste
heat from circular sinter cooler
Introduction of hot waste gas
into the furnace to produce
steam for power generation
(continued)