| Patents for C21B 7 - Blast furnaces (8,339) |
|---|
| 09/25/2008 | US20080230965 Handling Device For Elements of Tapping Runners |
| 09/24/2008 | EP1971692A1 A rotary charging device for a shaft furnace equipped with a cooling system |
| 09/24/2008 | CN201121195Y Wind gap dynamic pressure tester for blast furnace process |
| 09/24/2008 | CN201121194Y Pneumatic ash-transportation speed increasing anti-block apparatus of blast furnace gas pocket type dust removing system |
| 09/24/2008 | CN201121193Y Circumferential seam wimble apparatus for blast furnace |
| 09/24/2008 | CN101270400A Air dispensation system of multi-main pipe blast furnace |
| 09/18/2008 | DE202005021568U1 Gasabdichtung für Hochöfen Gas seal for blast furnaces |
| 09/17/2008 | EP1794330A4 Feed apparatus and portable dust collector |
| 09/17/2008 | CN201117683Y Hot-air stove electric thermo-couple |
| 09/17/2008 | CN101268202A Method of removing remaining pig iron from blast furnace |
| 09/17/2008 | CN101266173A Blast furnace hearth water temperature difference alarming control method |
| 09/17/2008 | CN101265509A Blast furnace top dust-collecting equipment |
| 09/12/2008 | WO2008080922A3 Process for making pig iron in a blast furnace |
| 09/12/2008 | WO2007136914A3 Regenerated calcium aluminate product and process of manufacture |
| 09/11/2008 | US20080216603 Sintered porous refractory with protective material within pores such as alumina, chromium oxide, silica, rare earth oxides, titantium oxide mullite, zirconium oxide or silicate, yttrium oxide, magnesium oxide, iron oxide or blends |
| 09/10/2008 | EP1817435A4 Improved furnace cooling system and method |
| 09/10/2008 | CN101260445A High-temperature dust reclaiming reusing blowing device |
| 09/04/2008 | US20080211148 Apparatus and method for injection of fluid hydrocarbons into a blast furnace |
| 09/04/2008 | US20080211146 Installation for Supplying Materials into Metallurgical Unit |
| 09/03/2008 | EP1963541A1 An improved lance for ld steelmaking |
| 09/03/2008 | CN101255481A Stave cooler |
| 09/03/2008 | CN101255480A Modular construction method for mounting blast furnace steelwork |
| 09/03/2008 | CN101254861A Fine coal dense phase conveying system of fusion reducing furnace |
| 08/28/2008 | WO2007102881A3 Composition for reducing steelmaking slag |
| 08/28/2008 | US20080203630 Metallurgical Vessel |
| 08/27/2008 | EP1960557A1 Method for supersonically injecting oxygen into a furnace |
| 08/27/2008 | CN201106055Y Tapping groove of blast furnace |
| 08/27/2008 | CN201106054Y Blast furnace coal powder additive continuous metering and mixed-loading apparatus |
| 08/27/2008 | CN101250602A Blast furnace chute polycyclic distributing method |
| 08/27/2008 | CN101250601A Pre-heating technique of blast furnace before blowing coal powder |
| 08/27/2008 | CN101250600A Blast furnace atomization tapping technology |
| 08/27/2008 | CN101250599A Blast furnace banking method |
| 08/27/2008 | CN101250598A Maintaining method for blast furnace |
| 08/26/2008 | CA2350725C Dust extraction installation for blast furnace gas |
| 08/20/2008 | CN201102964Y Non-return flat square auger sleeve drilling rod for opening blast furnace casting mouth |
| 08/20/2008 | CN101245398A Device for quickly elevating temperature, dust removing system and method for blast furnace gas |
| 08/20/2008 | CN101245397A Method for replacing furnace burden flow valve plate |
| 08/20/2008 | CN101244419A Vibrating screen under groove |
| 08/13/2008 | EP1954999A1 Cooling element and method for manufacturing the same |
| 08/13/2008 | CN201099688Y Special-purpose drill head for replacing steel-tapping hole |
| 08/13/2008 | CN201099687Y Blast furnace coal injection dedicated mixer |
| 08/13/2008 | CN101243195A Charging device for a shaft furnace |
| 08/13/2008 | CN101240357A Oversized blast furnace iron slag discharge monitoring method and hearth iron slag quantity monitoring method |
| 08/13/2008 | CN101240356A Blast furnace material-distributing method and material-distributing device |
| 08/06/2008 | CN201095641Y Blast furnace tuyere middle cover |
| 08/06/2008 | CN201095640Y Lockable control connecting bar with elasticity |
| 08/06/2008 | CN100408956C Camp stove |
| 08/05/2008 | US7407621 Mobile processing enclosure for preventing air pollution |
| 07/30/2008 | CN201092576Y Adjusting structure for radian of curved plate |
| 07/30/2008 | CN101230410A Blast furnace gas impulse blowing purification dust removal system adapted for multiple volumes |
| 07/23/2008 | CN100404696C Corrugated expansion joint of blast furnace air inlet device |
| 07/23/2008 | CN100404466C Skimming tool |
| 07/16/2008 | CN201087196Y Small bell device of double-charging bell charging apparatus |
| 07/16/2008 | CN201087195Y Hydraulic clay gun control system in front of blast furnace |
| 07/16/2008 | CN101220400A Real time on-line novel warning system for tuyeres of blast furnace |
| 07/16/2008 | CN101219900A Bleed hole stemming and method for producing the same |
| 07/16/2008 | CN100402670C Cooling element and its manufacturing method |
| 07/10/2008 | WO2008080922A2 Process for making pig iron in a blast furnace |
| 07/09/2008 | EP1941066A2 Method and device for charging feedstock |
| 07/09/2008 | EP1611070B1 Refractory composition and process for the repair of a hot refractory wall |
| 07/09/2008 | CN201082889Y Iron-smelting blast furnace puncher drilling bit |
| 07/09/2008 | CN201082888Y Blast furnace tray water tank |
| 07/09/2008 | CN101215613A Blast furnace body gas leakage plugging technique and device |
| 07/03/2008 | WO2008078933A1 Metohd and apparatus for treating return ores using plasma |
| 07/02/2008 | EP1939305A1 Process for making pig iron in a blast furnace |
| 07/02/2008 | EP1740728A4 Metallurgical processing installation |
| 07/02/2008 | CN101213026A Cyclone separator for blast furnace gas |
| 07/02/2008 | CN101211383A Blast furnace molten iron silicon content feature analysis and prediction method |
| 07/02/2008 | CN101210273A Three-point suspension distributing device |
| 07/02/2008 | CN101210272A Bidirectional swinging distributing device |
| 06/26/2008 | WO2008074596A1 A rotary charging device for a shaft furnace |
| 06/26/2008 | CA2671393A1 A rotary charging device for a shaft furnace |
| 06/25/2008 | EP1935993A1 A rotary charging device for a shaft furnace |
| 06/25/2008 | EP1934379A2 Chemical micromachined microsensors |
| 06/25/2008 | EP1716259A4 Metallurgical vessel |
| 06/25/2008 | EP1651783A4 An apparatus for operating a distribution chute for charging ores and coals into a furnace |
| 06/25/2008 | CN201077848Y Blast furnace refrigerating device heat current intensity online automatic detection device |
| 06/25/2008 | CN201077847Y Improved blast furnace gas pocket type dust removing pneumatic ash transmitting system |
| 06/25/2008 | CN201077846Y Hydraulic clay gun |
| 06/25/2008 | CN201077845Y Hydraulic clay gun |
| 06/25/2008 | CN201077844Y Large-sized wall hanging type full hydraulic self-controlled machine for opening tap hole |
| 06/25/2008 | CN201077843Y Material flow adjusting device |
| 06/25/2008 | CN201077633Y Suspended type receiving hopper backing block |
| 06/25/2008 | CN101205564A Molten iron loading amount control method of ironcored ladle car |
| 06/25/2008 | CN101205563A Iron-making furnace cooling water pipe on-line inner repairing apparatus and technology |
| 06/18/2008 | CN201074613Y Steel-making blast furnace hydraulic oil system with a system for replenishing circle filtering and feeding oil |
| 06/18/2008 | CN201074237Y High furnace blasting branch tube low-temperature compensator |
| 06/18/2008 | CN201074236Y Blast furnace blasting branch pipe |
| 06/18/2008 | CN100395351C Method for preparing cast material of AL2O3-SiC-Ciron runner |
| 06/12/2008 | US20080136070 Gas Bubbling Element and Corresponding Gas Bubbling System |
| 06/11/2008 | EP1929052A1 Charging device for a shaft furnace |
| 06/11/2008 | CN201071376Y Drill special for replacing steel-tapping hole |
| 06/11/2008 | CN201071375Y Side splitting type hydraulic pressure iron notch drill |
| 06/11/2008 | CN201071374Y Taper type centring drill |
| 06/11/2008 | CN201071373Y Low-resistance cloth bucket for blast furnace |
| 06/11/2008 | CN101198709A Charging device and distribution chute for a shaft furnace |
| 06/11/2008 | CN101195851A High-pressure atomizer of blast furnace open hole machine |
| 06/11/2008 | CN101195850A Water under high pressure atomization power system of blast furnace open hole machine |
| 06/11/2008 | CN101195849A Double seal connecting structure of blast furnace open hole machine drill tool |
| 06/11/2008 | CN101195848A Water under high pressure atomization purging device of blast furnace open hole machine |