| Patents for C21B 7 - Blast furnaces (8,339) |
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| 02/23/2011 | EP2285991A1 Cooling plate for a metallurgical furnace |
| 02/23/2011 | CN101979164A Automatic sealing switchable in-bin dust collection device |
| 02/16/2011 | EP1987168B1 Charging device for a shaft furnace |
| 02/16/2011 | CN201747955U Double-seal ash discharging valve for gravity dust separator of blast furnace |
| 02/16/2011 | CN201746564U Cloth bag leakage detector of filtering type coal gas dust remover |
| 02/16/2011 | CN201746563U Improved infrared imaging high-temperature industry television system base in blast furnace |
| 02/16/2011 | CN201746562U Improved blasting humidity detector of blast furnace |
| 02/16/2011 | CN201746561U Modified blast furnace metal taphole suction hood |
| 02/16/2011 | CN201746560U Blast furnace sliding weight bracket |
| 02/16/2011 | CN201746559U Tool for quickly processing iron notch mud sleeve |
| 02/16/2011 | CN201744258U Blast furnace gas dry pulse bag filter dust remover cooling device |
| 02/16/2011 | CN101974659A Air bag type pressure regulating device for material feeding operation of high-pressure smelting furnace |
| 02/16/2011 | CN101974658A Air bag type pressure regulating process for feeding of high-pressure smelting furnace |
| 02/16/2011 | CN101603106B Sealing-installing method of blast furnace ironmaking tuyere big sleeve |
| 02/15/2011 | CA2646761C Method and apparatus for charging hot direct reduced iron from hot transport vessels into a melter or finisher |
| 02/10/2011 | US20110030507 Process and apparatus for producing liquid pig iron or liquid primary steel products |
| 02/09/2011 | EP2281165A1 Method for manufacturing a cooling plate for a metallurgical furnace |
| 02/09/2011 | CN201741002U Nickel tank automatic controller capable of surface processing chemical nickel gold production line |
| 02/09/2011 | CN201739693U Adjustable blast furnace air supply device |
| 02/09/2011 | CN201737964U Belly pipe dismounting device |
| 02/09/2011 | CN201737963U Camera device for observing operational state of airtight box |
| 02/09/2011 | CN201737962U Axial cyclone separator and blast furnace gas dust-removing equipment with the same |
| 02/09/2011 | CN201737961U Wet-method deashing device for deduster of blast furnace |
| 02/09/2011 | CN201737960U Tensioning and anti-shifting device for blast-furnace tuyere sleeve II |
| 02/09/2011 | CN201737959U Hot metal tanker automatic alignment system |
| 02/09/2011 | CN201737958U Drill turntable maintaining blast furnace iron mouth mud sleeve |
| 02/09/2011 | CN201737957U Soft water closed circulation cooling system of blast furnace |
| 02/09/2011 | CN201737956U Recycling device for gas in blast-furnace charging and uniform-pressure diffusing process |
| 02/09/2011 | CN201737955U Corrugated pipe disassembling device |
| 02/09/2011 | CN201737954U Device for dismounting rotary carrier roller of coke tank truck |
| 02/09/2011 | CN101968637A Communication control method between blast furnace under-tank feeding system and furnace roof distribution system |
| 02/09/2011 | CN101608249B Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace |
| 02/09/2011 | CN101403020B Method for detecting back cut center partial difference of blast furnace with eccentric line fell |
| 02/03/2011 | US20110023660 Method and apparatus for recovery of rare earth element |
| 02/02/2011 | EP1276911B1 A device for discharging dust from a dry dust collector of a blast furnace |
| 02/02/2011 | CN201729844U Portable high-temperature handheld detector for industrial furnace |
| 02/02/2011 | CN201729843U Disassembling and assembling device for tilting device for bell-less top distributor of blast furnace |
| 02/02/2011 | CN201729842U Iron seepage-proofing burnout-resistance iron notch frame |
| 02/02/2011 | CN201729841U Simple blast furnace overhaul component conveying device |
| 02/02/2011 | CN201729839U Blast furnace slag tamping machine |
| 02/02/2011 | CN101962697A Oxygen coal spray gun nozzle combining device |
| 02/02/2011 | CN101962695A Control method of intelligent supplying system of crude fuel on blast furnace groove |
| 02/01/2011 | US7879133 providing a three-dimensional (3-D) laser scanner, providing a computer, obtaining point group data (PGD) and calculating measuring an outline of a top reactant stratum from the PGD. |
| 01/27/2011 | US20110017021 Lance for injecting solid material into a vessel |
| 01/27/2011 | DE10234520B4 Vorrichtung zur Bandbegichtung eines Hochofens Apparatus for Bandbegichtung a blast furnace |
| 01/26/2011 | CN201722399U Pressure equalizing device for bell-free top charging system of blast furnace |
| 01/26/2011 | CN201722398U Blast-furnace tuyere for copper steel profiles |
| 01/26/2011 | CN201722397U Blast furnace fuel system coal line coke booster device |
| 01/26/2011 | CN101693388B Method for casting lining of air-supply apparatus of blast furnace by using lost foam |
| 01/26/2011 | CN101570802B Replacing method of blast furnace shell and water wall |
| 01/26/2011 | CN101463399B Sieving method for blast furnace feeding system |
| 01/20/2011 | US20110011209 Method for producing molten iron |
| 01/19/2011 | CN201713534U Protecting device for armored thermocouple restoration |
| 01/19/2011 | CN201713533U Bypass shunt depressurized air deduster |
| 01/19/2011 | CN201713532U Granulating slag iron recovery device |
| 01/19/2011 | CN201713531U Cooling bar for blast furnace |
| 01/19/2011 | CN201713530U Drillbit specially used for drilling machine of blast furnace |
| 01/19/2011 | CN201713529U Drilling machine for blast furnace |
| 01/19/2011 | CN201713528U Distribution chute overhauling device |
| 01/19/2011 | CN201713527U Multi-directional adjustment baffle plate device with material guide function |
| 01/19/2011 | CN201713526U Pulverized coal gun of blast furnace |
| 01/19/2011 | CN101948940A Efficient, safe and environment-friendly blasting device |
| 01/19/2011 | CN101684506B Dust removing system and processing method of blast furnace raw gas |
| 01/18/2011 | US7871559 Inspection hole structure for flash-smelting furnace |
| 01/12/2011 | EP2142676B1 Method for constructing a support ring in a curved wall |
| 01/12/2011 | EP1907125B1 Cyclone separator for blast furnace gas |
| 01/12/2011 | CN201704348U Blast furnace gas dust-collecting cloth bag inlet temperature-stabilizing apparatus |
| 01/12/2011 | CN201704347U Spay blowing equipment |
| 01/12/2011 | CN201704346U Linkage furnace top bleeding valve |
| 01/12/2011 | CN201702329U Recyclable iron runner passage mold |
| 01/12/2011 | CN101942537A On-line detection method of blast furnace slag quantity |
| 01/12/2011 | CN101942536A Multichannel rotary joint for blast furnace taphole |
| 01/12/2011 | CN101942535A Method for utilizing and recycling solid waste of cyclone ash by spraying through blast-furnace tuyere |
| 01/12/2011 | CN101942534A Proportioning method adopted during blow-in for large and medium maintenance of blast furnace |
| 01/12/2011 | CN101941844A Injection mix for blast furnace wall building and manufacturing process thereof |
| 01/12/2011 | CN101701270B Method for continuously maintaining cooling capability of blast furnace cooling wall after breakage |
| 01/06/2011 | WO2011000966A1 Sealing valve arrangement for a shaft furnace charging installation |
| 01/06/2011 | WO2010127904A8 A shaft furnace charging installation having a drive mechanism for a distribution chute |
| 01/06/2011 | US20110002758 Charging device for a shaft furnace |
| 01/06/2011 | US20110001279 Apparatus for recovering platinum group elements |
| 01/06/2011 | CA2765481A1 Sealing valve arrangement for a shaft furnace charging installation |
| 01/05/2011 | CN201697469U Anti-floating oblique furnace bottom carbon block |
| 01/05/2011 | CN201695057U Keel removing tool for blast furnace dry method filter bag dust collector |
| 01/05/2011 | CN201695056U Straight blowing pipe used in blast furnace air supply device in iron manufacture |
| 01/05/2011 | CN201695055U Speedy baffle plate of blast furnace tapper machine |
| 01/05/2011 | CN201695054U Screening and weighing device under blast furnace trough |
| 01/05/2011 | CN101939626A 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 cycle of a cooling element in a metallurgical furnace |
| 01/05/2011 | CN101935725A Layering suspension-type material distribution device |
| 01/05/2011 | CN101935724A Protection device of water inlet/outlet pipe of cooling wall |
| 01/05/2011 | CN101935723A Copper cooling wall with reinforced piping structure |
| 01/05/2011 | CN101935722A Control method of bypass valve of energy recovery device during abnormal full close of stator blade |
| 01/05/2011 | CN101935721A Method for integrally dismounting and installing furnace top system of blast furnace |
| 01/05/2011 | CN101705320B Pore channel cooling method of damaged cooling wall of blast furnace and device thereof |
| 01/05/2011 | CN101701269B Method for connecting water inlet pipe and water outlet pipe of blast furnace cooling wall |
| 01/05/2011 | CN101581541B Long life distribution chute |
| 01/04/2011 | US7861614 Apparatus for operating a distribution chute for changing ores and coals into a furnace |
| 12/30/2010 | US20100329826 Charging device for distributing bulk material |
| 12/30/2010 | US20100327498 Taphole structure of melting furnace and repair method thereof |
| 12/30/2010 | DE102008031390B4 Sonde zur Entnahme von Schlackerproben Probe for collecting samples sleet |
| 12/29/2010 | WO2010151874A2 Tuyere |