Patents
Sitemap › C21 - Metallurgy of iron › C21B - Manufacture of iron or steel › C21B 9 - Stoves for heating the blast in blast furnaces
Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401)
02/2013
02/20/2013CN202744578U Flange structure of hot blast valve
02/20/2013CN202744577U Valve body of hot blast valve
02/20/2013CN202744576U Novel 19-hole lattice brick
02/20/2013CN202744575U Novel 37-hole lattice brick
02/13/2013CN202733896U Burning device with multi-nozzle gas flow and airstream mixed by mutual impact flowing
02/13/2013CN202730167U Improved double preheating device of blast furnace hot blast stove
02/13/2013CN202730166U Hot air outlet structure of hot-blast stove
02/13/2013CN202730165U Grate of blast furnace hot-blast stove
02/13/2013CN202730164U Checker brick provided with horizontal passages
02/13/2013CN202730163U 37-aperture lattice brick with annular grooves and wide piling clearance
02/13/2013CN202730162U 19-aperture lattice brick with annular grooves and wide piling clearance
02/13/2013CN202730161U Cast iron checker brick with passageways in horizontal radiating shape
02/13/2013CN202730150U Power generation system utilizing waste heat of waste gas at tail of blast furnace hot blast stove
02/13/2013CN102925609A Waste heat blast dehumidification system for blast furnace, and its dehumidification method
02/13/2013CN102925608A High-air temperature hot-air furnace with high-temperature flue and high-temperature smoke gas current equalizer
02/13/2013CN102925607A Independent double-layer ventilating structure below grate of hot-blast stove
02/07/2013WO2012171851A3 Mixer stage
02/06/2013CN202717789U Terminal compensation device of hot air pipe of hot blast stove
02/06/2013CN102912058A Hot-blast valve used in hot-blast furnace system for direct reduced iron vertical furnace
02/06/2013CN102912056A Hot air furnace with function of jetting individual premixed gas streams to flow back into preheating regenerator to be combusted
02/06/2013CN102912055A Intelligent optimization control system of blast furnace hot-blast stove
02/06/2013CN102296135B Method for controlling backflow blowing-down of hot blast furnaces
01/2013
01/30/2013CN102352420B Combination checker brick with two types of different brick structures
01/23/2013EP2547975A1 Hot blast control valve for a metallurgical installation
01/23/2013CN202688356U Step-shaped 19-pore checker brick with central groove
01/23/2013CN102888481A Method and device for dismantling refractory materials at arch crown of hot blast stove
01/23/2013CN102888480A Hot blast furnace system and method for improving hot air temperature by using same
01/23/2013CN102888479A Automatic control system for changing combustion rhythm of hot blast furnace along with blast temperature of high furnace
01/16/2013CN202671564U One-sided micro water-cooled energy-saving hot-blast valve
01/16/2013CN202671563U Hot-blast stove capable of synchronously producing hot wind and steam
01/16/2013CN202671562U Blast furnace hot blast stove
01/16/2013CN202671561U Transition device for grate and lattice bricks of internal combustion hot blast stove
01/16/2013CN102876824A Method for guaranteeing high blast temperature by using blast furnace gas
01/02/2013CN202643724U Blast furnace oven baking tuyere air guide tube device
01/02/2013CN202643723U Grill-free double-preheating top combustion hot-blast stove
12/2012
12/26/2012CN102304596B Flow-equalizing and combustion-supporting hot blast furnace with multihole combustion-stabilizing nozzle and heat accumulators
12/20/2012US20120322017 Method for heating a blast furnace stove
12/19/2012EP2534269A1 Hot blast stove dome and hot blast stove
12/19/2012CN202610255U Blast pre-cooling rotating wheel dehumidification device for blast furnace
12/19/2012CN202610254U Dehumidification device for air-blast rotating wheel of blast furnace
12/19/2012CN202610253U Air supply device of preheating furnace
12/19/2012CN202610252U 19-hole interchange type checker brick
12/18/2012US8333813 Gasifier additives for improved refractory life
12/12/2012CN102818649A Vault thermocouple and hot blast stove
12/12/2012CN102816884A Hot-blast stove cold air stop-valve close valve interlocking and unlocking methods
12/05/2012CN202576468U Bottom combustion type hot blast heater
12/05/2012CN102808056A Oxygen-enriched dry gas supply process for blast furnace iron-making
11/2012
11/28/2012EP2527772A1 Heating apparatus
11/28/2012CN102803883A Hot blast control valve for a metallurgical installation
11/28/2012CN102796836A Heating apparatus
11/21/2012CN202543237U Dehumidifying device applied to blast dehumidification of blast furnace
11/21/2012CN202543236U Novel energy-saving hot-blast valve
11/21/2012CN202543235U Hot blast valve with scale processor
11/21/2012CN202543234U Novel 37-hole checker brick with annular grooves
11/21/2012CN102277460B Hot blast furnace for preheating and combusting gas-air jet mixture in porous body
11/14/2012CN202532702U Top combustion hot-blast stove capable of achieving double preheating through mix of high-temperature smoke and low-temperature smoke
11/14/2012CN202532087U Three-way hot air pipeline
11/14/2012CN202530105U Top combustion stove with layered high- and low-temperature flue double preheating system
11/14/2012CN102181871B Heating and corrosion-prevention method for gas pipeline of hot blast stove
11/14/2012CN102049471B Design method for grate core of grid hole hot blast stove
11/07/2012CN202519285U Hot-blast stove with sleeve burner and with conical regenerator for rectifying and supporting combustion in combustion chamber
11/07/2012CN202519284U Air heating furnace with nozzles hedging, spraying, burning, refluxing and preheating stable flame uniformly distributed in prechamber
11/07/2012CN202519283U Hot-blast stove with uniformly distributed nozzles jetting mixed hedging back flows for warm-up combustion in pre-combustion chamber
11/07/2012CN102770564A Method for heatng a blast furnace stove
11/07/2012CN102766713A Air heating furnace with nozzles in pre-burning chamber for reflowing preheating burning by opposed jetting and mixing
10/2012
10/31/2012CN202509099U Novel energy-saving valve plate of hot blast valve
10/31/2012CN102758044A Checker brick with horizontal through-hole
10/24/2012EP2513345A1 Method for heatng a blast furnace stove
10/24/2012CN202499874U 19-hole lattice brick
10/24/2012CN202499873U Improved ball type hot blast stove
10/24/2012CN102747177A Blast furnace hot blast stove and construction method thereof
10/24/2012CN102747176A Hot blast heater capable of producing hot air and steam simultaneously
10/17/2012CN102206722B Quick repair method for fallen hot air pipeline refractory
10/10/2012CN102719584A Hot blast heater realizing preheated combustion of horizontal spraying heat accumulator of premixed air flow of gas and air
10/03/2012CN202465757U Airtight temper-explosion-resisting device of mixed air valve of hot-blast stove
10/03/2012CN202465756U 19-hole fireproof lattice brick for hot-blast stove
10/03/2012CN102703634A Terminal compensation device for hot air pipeline of hot blast stove
09/2012
09/27/2012WO2012128259A1 Top-combustion hot-blast furnace
09/27/2012CA2820831A1 Top-firing hot blast stove
09/26/2012CN202450109U Top combustion hot blast stove with staggered nozzles
09/26/2012CN202450108U Top combustion stove with parallel spouts
09/26/2012CN102116579B Burning pipeline system for rotary hearth furnace
09/26/2012CN102051425B High-wind-temperature hot blast heater with automatic air preheater
09/20/2012WO2012124667A1 Top-firing hot blast stove
09/20/2012CA2827393A1 Top-firing hot blast stove
09/13/2012WO2012120691A1 Hot-blast branch pipe structure of blast furnace hot stove and hot-blast branch pipe
09/12/2012CN102666883A Exhaust processing and heat recovery system
09/05/2012CN202415585U Hot-blast stove for spraying mixed coal gas and air in loop from uniformly-distributed spray nozzles to form reflow for combusting
09/05/2012CN202415584U Hot-blast stove for mixing gas with air and spraying from evenly distributed nozzles to form reverse-flow preheating combustion
09/05/2012CN202415583U Hot-blast stove with upwards spraying air and rotational-flow mixed combusting apparatus and coal gas nozzles uniformly distributed in ring channel
09/05/2012CN102049470B Manufacturing method of grate joint sand core for intensive circular-hole hot air furnace
08/2012
08/30/2012WO2012115739A1 Method for heating a blast furnace stove
08/29/2012EP2492359A1 Method for heating a blast furnace stove
08/29/2012EP2492358A1 Method and apparatus for heating a blast furnace stove
08/23/2012US20120214116 Apparatus and method for heating a blast furnace stove
08/23/2012US20120214115 Method for heating a blast furnace stove
08/22/2012CN202390464U Plate-type air and gas double pre-heating system for hot-blast stove
08/22/2012CN202390463U Gas and air synchronous double preheating system provided with auxiliary combustion furnace
08/22/2012CN202390462U Coal gas and air asynchronous dual preheating system provided with additional combustion furnace
08/22/2012CN202390461U Blast furnace hot-air pipe
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