236
L. Ren et al.
Table 7.3 (continued)
Procedure
Technique
Underlying method (in Part)
Iron making
Quality raw materials
preparation technology
Efficient pulverized coal
injection technology of blast
furnace
Granular coal injection
technology of blast furnace
Power generation by dry top
gas pressure turbine (TRT)
Top gas pressure recovery
turbine, power generation with
waste pressure and waste heat
from top gas
Blast furnace power recovery
turbine technology (BFRT)
Blast furnace power recovery
turbine, power generation with
waste pressure and waste heat
from furnace top
High radiation prevention
coating technology for hot
stove regenerator
BF top gas circulation
technology
Recovery and reuse of BF gas
BF waste plastics injection
technology
BF gas dry dedusting
technology
BF dehumidified blast
Cooling and DE humifying the
moisture of blowing air before
hot stove
Purification of BF gas by
pressure swing absorption
Recovery and reuse of waste
heat from BF slag and reuse of
ultra-fines slag
BF top iso-pressure blow off
optimization
Application of multiple devices
such as rotary top-burning hot
stove burner, orifice
high-efficiency check bricks,
grates of various hole types, etc
Pre-heating and injection of
pulverized coal into BF
BF coal injection lance
technology
Direct injection of pulverized
coal into BF
(continued)