F-Term-List

C21C5/00;5/28-5/50@Z

AA00
MANUFACTURING STEEL

AA01

AA02

AA03

AA04

AA08

AA10

. Carbon steel

. Low alloy steel

. High alloy steel

. . Stainless steel

. Molten reduction ferrous alloys

. Others

AB00
TREATMENT PURPOSE

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB08

AB09

AB10

. Melting of scraps, cold iron sources

. Silica removal

. Decarburization

. Deacidification

. Desulfurization

. Dephosphorization

. Denitrification

. Dehydrogenation

. Reduction refining

. . Ore molten reduction

AB11

AB12

AB13

AB14

AB15

AB16

AB17

AB18

AB20

. Slag treatment and effective use of slag

. Dust treatment and effective use of dust

. Cost reduction

. . Component recovery

. . Prevention and removal of adherent bare metals

. . Improvement of refractory consumption

. Quality improvement

. Productivity improvement

. Others

AC00
RAW MATERIALS

AC01

AC02

AC03

AC04

AC05

AC06

AC07

. Main raw materials

. . Molten iron

. . Pretreated molten iron

. . . Cr-containing molten iron

. . Scraps and cold iron sources

. . Ores

. . Dust or slag

AC11

AC12

AC13

AC14

AC15

AC16

AC17

AC18

AC19

AC20

. Auxiliary materials

. . Oxides, hydroxides

. . . Iron oxides

. . . Calcined lime (CaO)

. . . SiO2

. . . Al2O3

. . . Dust and slag

. . Fluorite and halides

. . Carbonates

. . . Limestone (CaCO3)

AC21

AC22

AC23

AC24

AC25

AC26

AC27

AC28

. . Metals

. . . Ferroalloys

. . . . Fe-Cr

. . . Al

. . . Alkali metals or alkaline earth metals

. . . Rare earth metals

. . Half-metals

. . Carbides

AC31

AC32

AC34

AC36

AC38

AC40

. . Non-metals

. . . Carbon materials

. Processing of raw materials

. Shapes and structures of raw materials

. Raw material addition timing adjustment

. Others

BA00
BLOWING

BA01

BA02

BA03

BA04

BA05

BA06

BA07

BA09

BA10

. Blowing preparation

. . Retaining converter temperature

. . Preheating of raw materials

. . . Preheating with exhaust gases

. Top-blowing

. Bottom-blowing, furnace bottom side-blowing

. Top bottom blowing

. Single furnace type

. Multiple furnace type

BA11

BA12

BA13

BA16

BA17

BA20

. Single slag methods

. Double slag methods

. Slagless methods or slag minimum methods

. Pressurizing operation

. . Reduced pressure operation

. Others

BB00
BLOWING GASES

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

BB10

. Blowing gas adjustment

. . Oxygen gas Adjustment

. . . End point adjustment

. . Neutral and inert gas adjustment

. . . Agitation gas

. Mixed blowing-in to blowing gases

. . Mixing amount adjustment

. Blowing-in of powders

. Others

BC00
SLAG

BC01

BC02

BC04

BC06

BC07

BC08

. Slag component adjustment

. . Basicity

. Inhibiting of foaming and slopping

. Effective use of furnace residual slag

. . Metal recovery by slag reduction

. . Refractory coating

BC11

BC12

BC13

BC14

BC15

BC17

BC20

. Slag removing

. . Effective use of slag removing

. . . Chemical treatment

. . . . Reforming materials

. . . Mechanical and physical treatment

. Slag treatment facilities

. Others

BD00
CONTROL

BD01

BD02

BD03

BD04

BD05

BD06

BD07

BD08

BD09

BD10

. Static control

. Dynamic control

. Control means

. . Neural control

. . Fuzzy control

. Scheduling

. Control factors

. . Molten steel component

. . Slag compositions

. . . Basicity

BD11

BD12

BD13

BD14

BD15

BD16

BD17

BD18

BD20

. . . Oxidation degree

. . Molten steel temperature

. . Oxygen blowing speed, pressure, or flow

. . . L/L0

. . Reduction speed

. . Agitation power

. . Secondary combustion rate and exhaust gas compositions

. . Addition amount of treatment agents

. Others

BE00
MEASURING

BE01

BE02

BE03

BE04

BE05

BE06

BE07

BE08

BE09

BE10

. Exhaust gas analysis

. . Inner-hood pressure measurement

. Temperature measurement

. . Molten steel

. Molten steel or slag component measurement

. . Continuous analysis and on-line analysis

. Weighing

. Measuring of time, speed or distance

. Acoustic measuring

. Measuring vibrations

BE11

BE12

BE13

BE14

BE15

BE16

BE17

BE20

. Flame brightness measurement

. Detection and measuring means

. . Sub-lances

. . . Probes

. . Cameras

. . . Imagee processing

. . Ultrasonic diagnosis

. Others

CA00
EXHAUST GASES

CA01

CA02

CA03

CA05

CA07

CA08

CA09

. Exhaust gas recovery

. . Seal of skirt parts

. . Recovery at furnace tilting time

. Regulating the exhaust gas flow

. Exhaust heat recovery

. . Cooling water circulation

. . Sensible heat recovery

CA11

CA12

CA13

CA20

. Dust collection

. Dust treatment

. . Dezincing processing

. Others

CB00
FURNACE BODIES

CB01

CB03

CB04

CB05

CB10

. Furnace structure

. Furnace wall construction

. . Furnace wall cooling

. . Multi-stage tuyeres

. Others

CC00
REFRACTORY LININGS

CC01

CC02

CC03

CC04

CC10

. Brickwork

. Construction of unshaped refractories

. Compositions

. Drying and heating

. Others

CD00
STEEL TAPPING

CD01

CD02

CD03

CD04

CD10

. Steel tapping holes

. Steel tapping hole repair

. Steel tapping hole opening and closing

. Steel tapping amount adjustment

. Others

CE00
CHARGING

CE01

CE02

CE03

CE04

CE05

CE06

CE10

. Charging holes

. . Cooling of charging holes

. Elimination of bare metal adhesion

. Raw material transportation and charging

. . Charging shoots

. Charging amount adjustment

. Others

CF00
LANCES

CF01

CF02

CF03

CF04

CF05

CF06

CF07

CF08

CF10

. Lance shape structure

. . Main hole nozzle for blowing

. . Auxiliary hole nozzles for preventing secondary combustion and bare metal adhesion or the like

. Materials of lances

. Lance attached means

. . Regulating lance hoisting

. . Regulating lance slewing

. Immersion lances

. Others

CG00
BOTTOM BLOWING OR SIDE BLOWING TUYERES

CG01

CG02

CG03

CG04

CG06

CG10

. Shapes, structures of tuyeres

. . Porosity

. Replacement or repair

. . Repair around tuyeres

. Materials of tuyeres

. Others

DA00
OTHERS

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

DA09

DA10

. Auxiliary heating

. Auxiliary agitation

. Buildings

. Factory layout

. Facilities other than converters

. . Oxygen generators, supply line and pressure facilities

. Manufacture of products by furnaces other than converters

. Furnace tilting

. Pollution prevention

. Others

EA00
NUMERICAL VALUE LIMITATION

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. Molten steel components

. Slag compositions

. . Basicity

. . Oxidizing degree

. Gas compositions

. Unit consumption and yield, or reduction rate

. Temperature, temperature coefficients, or expansion coefficients

. Pressure or equilibrium pressure

. Flow rate or flow volume

. Weight

EA11

EA12

EA13

EA14

EA15

EA16

EA17

EA18

EA19

. Density or specific gravity

. . Porosity rate or void ratio or porosity

. Dimensions

. . Particle diameters and particle sizes, or particle size distributions

. . Length, thickness and area or hole diameters

. . Angles

. Humidity

. Viscosity and viscous properties

. Time

EA21

EA23

EA25

EA27

EA30

. Agitation forces and agitation energy density

. Combustion rates

. Electric variables

. Raw material compositions

. Others

4K070	Carbon steel or casting steel manufacturing
	C21C5/00 ;5/28-5/50@Z