C21B5/00 - CPC Classification Index

ClassID:

118706 ⎘

C21B5/00 - CPC Classification

Classification description:

Making pig-iron in the blast furnace

Sub-classes:

C21B5/001 » {Injecting additional fuel or reducing agents} 59
C21B5/006 » {Automatically controlling the process} 37
C21B5/007 » {Conditions of the cokes or characterised by the cokes used} 78
C21B5/008 » {Composition or distribution of the charge} 53
C21B5/02 » Making special pig-iron, e.g. by applying additives, e.g. oxides of other metals 7
C21B5/04 » Making slag of special composition 9
C21B5/06 » Using top gas in the blast furnace process 77

Recent Application in this class:

20240303751

2024-09-12

Method for Predicting Carbon Consumption and Carbon Emission of Hydrogen-Rich Blast Furnace (BF) Based on C-rd Theory

20240218473

2024-07-04

SUPPLIED HEAT QUANTITY ESTIMATION METHOD, SUPPLIED HEAT QUANTITY ESTIMATION DEVICE, SUPPLIED HEAT QUANTITY ESTIMATION PROGRAM, AND BLAST FURNACE OPERATION METHOD

20240052439

2024-02-15

METHOD FOR CHARGING RAW MATERIALS INTO BLAST FURNACE

20230151448

2023-05-18

METHOD FOR DETECTING FLUCTUATION OF SOLIDIFIED LAYER AND METHOD FOR OPERATING BLAST FURNACE

20220390928

2022-12-08

PRODUCTION FACILITIES MONITORING METHOD, PRODUCTION FACILITIES MONITORING DEVICE, AND OPERATION METHOD FOR PRODUCTION FACILITIES

20220205893

2022-06-30

Fine ratio measuring method and apparatus

20220163260

2022-05-26

Blast furnace fault determination apparatus, method for determining fault in blast furnace, and method for operating blast furnace

20210254188

2021-08-19

Surface profile detection apparatus of burden in blast furnace and operation method comprising an angle fixed reflection plate to transmit the detection wave from an antenna to the reflection surface of an angle variable reflection plate