ClassID:

118740

C21B7/24 - CPC Classification

Classification description:

Blast furnaces Test rods or other checking devices

Recent Application in this class:
#1
20260078456
2026-03-19

IRON ORE REDUCING AND MELTING APPARATUS AND METHOD

#2
20250101538
2025-03-27

Gas Injection Control System For Blast Furnace, And Control Method

#3
20250092476
2025-03-20

METHOD FOR CONTROLLING STABILITY OF GAS FLOW AT PERIPHERY OF BLAST FURNACE

#4
20240368715
2024-11-07

SUPPLY HEAT QUANTITY ESTIMATING METHOD, SUPPLY HEAT QUANTITY ESTIMATING DEVICE, SUPPLY HEAT QUANTITY ESTIMATING PROGRAM, AND BLAST FURNACE OPERATING METHOD

#5
20240318269
2024-09-26

HOT METAL TEMPERATURE PREDICTION METHOD, OPERATION GUIDANCE METHOD, METHOD OF MANUFACTURING HOT METAL, HOT METAL TEMPERATURE PREDICTION APPARATUS, OPERATION GUIDANCE APPARATUS, BLAST FURNACE OPERATION GUIDANCE SYSTEM, BLAST FURNACE OPERATION GUIDANCE SERVER, AND TERMINAL APPARATUS

#6
20240218473
2024-07-04

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

#7
20240132982
2024-04-25

RESIDUAL LIQUID AMOUNT DETECTION METHOD AND DETECTION APPARATUS FOR THE SAME, RESIDUAL MOLTEN MATERIAL AMOUNT DETECTION METHOD AND DETECTION APPARATUS FOR THE SAME, AND METHOD FOR OPERATING VERTICAL FURNACE

#8
20240026474
2024-01-25

Method and device for monitoring blast furnace state based on multi-modes fusion

#9
20230313329
2023-10-05

OPERATION GUIDANCE METHOD, BLAST FURNACE OPERATION METHOD, HOT METAL MANUFACTURING METHOD, AND OPERATION GUIDANCE APPARATUS

#10
20230251036
2023-08-10

METHOD FOR CONTROLLING HOT METAL TEMPERATURE, OPERATION GUIDANCE METHOD, METHOD FOR OPERATING BLAST FURNACE, METHOD FOR PRODUCING HOT METAL, DEVICE FOR CONTROLLING HOT METAL TEMPERATURE, AND OPERATION GUIDANCE DEVICE

#11
20230151448
2023-05-18

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

#12
20230151447
2023-05-18

OPTIMAL CALCULATION METHOD OF ENERGY OPERATING CONDITION IN IRON MILL, OPTIMAL CALCULATION DEVICE OF ENERGY OPERATING CONDITION IN IRON MILL, AND RUNNING METHOD OF IRON MILL

#13
20220404316
2022-12-22

System and method for estimating both thickness and wear state of refractory material of a metallurgical furnace

#14
20220390928
2022-12-08

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

#15
20220298591
2022-09-22

Tuyere stock, method of fabricating the same, and air blast system for melting furnace

#16
20220205893
2022-06-30

Fine ratio measuring method and apparatus

#17
20210365784
2021-11-25

Method for deriving fault diagnosis rules of blast furnace based on deep neural network

#18
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

#19
20210190426
2021-06-24

Blast furnace apparatus and operation method for blast furnace

#20
20190370953
2019-12-05

Fine ratio measuring device and fine ratio measuring system

#21
20190249267
2019-08-15

Surface detection apparatus for blast furnace

#22
20190095816
2019-03-28

Method for automated control of circumferential variability of blast furnace

#23
20190095812
2019-03-28

Automated control of circumferential variability of blast furnace

#24
20180209004
2018-07-26

SURFACE DETECTION APPARATUS OF BLAST FURNACE BURDEN AND DETECTION METHOD

#25
20180031323
2018-02-01

Optical monitoring system for observing internal conditions in the tuyere zone of a blast furnace

#26
20170283891
2017-10-05

METHOD FOR DETECTING AIR FLOW DISTRIBUTION IN BLAST FURNACE

#27
20160209342
2016-07-21

Reverse filling carbon and temperature drop-in sensor

#28
20160153715
2016-06-02

Solids injection lance

#29
20160148365
2016-05-26

Abnormality detection method and blast furnace operation method

#30
20150275321
2015-10-01

Method for operating blast furnace and method for producing molten pig iron

#31
20150218667
2015-08-06

Method and device for measuring levels of cast iron and slag in a blast furnace

#32
20140333752
2014-11-13

SYSTEM AND METHOD FOR ON-LINE MEASURING A BURDEN SURFACE IN A BLAST FURNACE

#33
20130181384
2013-07-18

Stave and brick constructions having refractory wear monitors and in process thermocouples

#34
20120166107
2012-06-28

Diagnostic system and method for metallurgical reactor cooling elements

#35
20110311926
2011-12-22

Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace

#36
20110311346
2011-12-22

Method and system for adjusting the flow rate of charge material in a charging process of a shaft furnace

#37
20110193274
2011-08-11

Resident measurement system for charge level of blast furnace

#38
20110170114
2011-07-14

Method of controlling a transformation process of charge material to a product

#39
20100329300
2010-12-30

Method and arrangement for measuring at least one physical magnitude, such as temperature, flow or pressure of the cooling fluid flowing in an individual cooling element circuit of a cooling element in a metallurgical furnace

#40
20100270714
2010-10-28

Apparatus for observing interior of a blast furnace system

#41
20100201050
2010-08-12

Systems and methods for accessing a furnace melt

#42
20090315229
2009-12-24

INDUSTRIAL PLANT HAVING SAFETY-RELEVANT AREA

#43
20090102103
2009-04-23

Infrared Light Sensors for Diagnosis and Control of Industrial Furnaces

#44
20090093978
2009-04-09

System and method for the acoustic monitoring of tapblocks and similar elements

#45
20080289449
2008-11-27

Method for measuring an outline of a stratum of a reactant and a path of charging the reactant in a blast furnace

#46
20070200280
2007-08-30

Method for protecting a tuyere assembly and a refractory lining of a furnace

#47
20070192070
2007-08-16

IMAGING SYSTEM AND METHOD FOR DETERMINING FALLING CURVES

#48
20070145650
2007-06-28

Robot system and method for sampling procedures in trucks and carts for concentrate transportation in metal smelting processes

#49
20070145649
2007-06-28

Robot system and method for copper concentrate injector cleaning in the flash furnace

#50
20070145648
2007-06-28

Robotic system and method for the automation of slag and matte discharge from smelters

#51
20070045913
2007-03-01

System for detecting entry of foreign material during melting

#52
20070001353
2007-01-04

Systems and methods for accessing a furnace melt

#53
20070001352
2007-01-04

Method and apparatus for testing characteristics of a furnace melt

#54
20060108721
2006-05-25

Single vessel blast furnace and steel making/gasifying apparatus and process

#55
20060050147
2006-03-09

Plug-in kiln video camera and image processing system

#56
20060012088
2006-01-19

Guide system for signal lines, device for measuring temperatures and/or concentrations, and use of the system and device