Patents
Patents for C21B 9 - Stoves for heating the blast in blast furnaces (1,401)
06/2010
06/23/2010CN101418358B Furnace cooling method of silica brick hot blast stove
06/23/2010CN101219905B Flame-proof sphere of aluminum zirconium chromium
06/17/2010US20100148410 Linear hearth furnace system and methods regarding same
06/16/2010CN201508111U Square center brick
06/16/2010CN101736111A Intelligent control method for automatic optimization combustion of hot-blast stove
06/16/2010CN101348840B Large vault preassembling method
06/09/2010CN201503216U Fire-resistant lattice brick with thirty seven holes
06/09/2010CN201503215U Fireproof checker brick with seven holes of different diameters
06/09/2010CN201503214U Refractory honeycomb-type checker brick
06/09/2010CN201503213U Aperture variable refractory lattice brick
06/09/2010CN201503137U Temporary exhaust pipeline for air-mixing chambers of hot blast stoves
06/09/2010CN201501895U Novel three-way pipeline with brick linings
06/09/2010CN201501894U Top combustion stove with jet nozzles which are in staggered arrangement for rotary jetting and precombustion chamber
06/09/2010CN201501893U Novel high-wind temperature top combustion type pebble bed hot wind furnace
06/09/2010CN101724725A Rotary motion axial-flow type pressure regulation valve group
06/02/2010CN101413039B Continuous air blast type strong wind warm blast furnace
05/2010
05/26/2010CN201486941U By-pass energy-saving dehumidifier for blast furnace blast station
05/19/2010CN101709346A High coke oven gas mixing air supply device of blast furnace hot blast system
05/19/2010CN101024859B Ball-shape top-burning type hot-air furnace with annular-arranged vertical up-spray burner
05/12/2010CN1680608B External distributor style top-burning hot-air furnace
05/12/2010CN1595042B Intensified heat-exchange device for heat-exchanger
05/12/2010CN101707893A Air heater
05/12/2010CN101705323A Heat insulation method for top combustion type silicon brick hot-blast stove
05/06/2010WO2010048795A1 A top-combustion hot blast stove
05/05/2010CN101701273A Method for repairing crown brick of large wall of combustion chamber of internal-combustion stove
04/2010
04/28/2010CN1888085B No-fluctuation hot blast stove converting method
04/28/2010CN101698894A High-altitude segmented in-position installation method for blast-furnace hot-air surrounding pipes
04/21/2010EP2177633A1 Air heater
04/20/2010US7700035 Direct smelting plant and process
04/08/2010US20100086888 Ceramic burner
03/2010
03/31/2010CN101688666A Ceramic burner
03/24/2010CN101680043A Method for constructing a support ring in a curved wall
03/24/2010CN100595286C Solution moisture-removing blast furnace blowing device and method
03/24/2010CN100595285C Hot-air stove box type beam assembling and welding method
02/2010
02/17/2010CN201406442Y Container-type dehumidification device arranged behind machine
02/03/2010CN101638700A Upside-down method for manufacturing and installing tank body
01/2010
01/21/2010US20100011908 Pressure control in direct smelting process
01/20/2010CN201386111Y Pipeline blast temperature adjusting mixed air structure
01/20/2010CN201386110Y Energy recovery device for dual-drive blast furnace blower unit
01/20/2010CN201386109Y Variable-rotating speed clutching driving unit for energy recovery device
01/13/2010EP2142853A1 Ceramic burner
01/13/2010EP2142676A1 Method for constructing a support ring in a curved wall
01/06/2010CN100578085C Multiple fire hole flame-free ceramic burner
12/2009
12/30/2009CN201373399Y Ceramic burner with a plurality of nozzles staggered and mixed up and down
12/30/2009CN201373398Y Ceramic burner with a plurality of rows of nozzles staggered and mixed
12/30/2009CN201372291Y Top-burning hot-blast stove with double combustion chambers
12/23/2009CN201367436Y Baking device of blast-furnace hot blast stove
12/23/2009CN101608798A Method for controlling air-fuel ratio of hot blast furnace
12/16/2009CN101603108A Method for preventing intergranular stress corrosion of vault of hot blast heater
12/09/2009CN100567508C Top burning hot blast stove with slope-ladder shaped circumferential loop up-spraying ceramic combustor
11/2009
11/25/2009CN201351167Y Core body replacing suspension cage for moisture eliminator of blast furnace blast station
11/18/2009CN201347436Y Snorting tube diffuser
11/11/2009CN201343543Y Movable hanging scaffold for installing hot blast furnace
10/2009
10/29/2009WO2009129679A1 Horizontal type high-temperature hot-blast stove
10/14/2009CN101555151A Corundum fireproof ball used for ball-type hot-blast stove and preparation method thereof
10/07/2009CN101550019A Composite fire resistant ball for ball type hot-air stove and method for preparing same
09/2009
09/30/2009CN101545021A Blast branch pipe of blast furnace
09/23/2009CN201313914Y Structure for retaining wall for cold air inlet of preheating furnace of hot blast furnace
09/23/2009CN201313913Y Water replenishing system for coal gas sewer tank
09/23/2009CN201313912Y Burner of top-combustion hot-blast stove
09/16/2009CN201309944Y Air heating stove with functions of high efficiency, energy saving and environmental protection
09/09/2009CN201305609Y Blast furnace blast moisture separator
09/09/2009CN201305608Y Air heating furnace tandem pre-heating system
09/09/2009CN101525676A Oscillating bar crank isolating valve
09/08/2009CA2338591C A direct smelting process
08/2009
08/26/2009CN101514378A Back dehumidifying device of stove blower
08/19/2009CN101509051A Building and supporting method for semiring brick on hoogoven's warm-air duct inside lining
08/19/2009CN100529109C Direct smelting plant and process
08/12/2009CN201288198Y Multi-contact circle rotational flow top burning hot blast stove
08/05/2009CN101498443A Mixed ceramic combustor with multiple alternated nozzles
08/05/2009CN101498442A Mixed ceramic combustor with multi-row of alternated nozzles
08/05/2009CN100523227C Three-stage cooling energy-saving type blast furnace dehumidifying machine
07/2009
07/29/2009CN201280567Y Angular travel axial flow type pressure-regulating valve group
07/22/2009CN101487065A High blast temperature system of blast furnace hot blast stove
07/08/2009CN201268709Y Top burning hot blast stove using annular airflow spray upward with premixing combustion and reflux heating
07/01/2009CN201265021Y Triangle disposed blast furnace hot blast stove system
06/2009
06/17/2009CN201258340Y Blast furnace hot blast stove crown hot blast temperature measurement apparatus
06/10/2009CN101451168A Hot-air stove shell installation method
06/03/2009CN201250241Y Hot stove burner
06/03/2009CN201250240Y Air intake belly pipe of blast furnace
05/2009
05/28/2009US20090136884 Direct-Fired Furnace Utilizing An Inert Gas To Protect Products Being Thermally Treated In The Furnace
05/27/2009CN201245671Y Novel catenary dome ceramic combusting device hot-air furnace
05/27/2009CN201245670Y Hot-air furnace hydraulic device
05/27/2009CN101440886A Electric emergency cut-off valve
05/20/2009CN201241164Y Novel blast furnace air blast branch tube
05/06/2009CN201232068Y Blast furnace air supply branch pipe with three layers of fire resistant inner lining
05/06/2009CN201232067Y Check brick for blast furnace hot blast stove
04/2009
04/29/2009CN201228267Y Check brick
04/29/2009CN101418358A Furnace cooling method of silica brick hot blast stove
04/28/2009CA2357626C Process and apparatus for curing resin-bonded refractory brick lined ladles
04/22/2009CN101413039A Continuous air blast type strong wind warm blast furnace
04/01/2009EP1982000B1 Bleeder valve for pressurised furnace
04/01/2009CN201215027Y Waste heat power generation energy-conserving apparatus for CO2 working substance smelter
04/01/2009CN201214666Y Blast furnace blast pipe filler sealing device
04/01/2009CN101397596A Construction method for blast furnace bustle pipe integral installation
03/2009
03/18/2009CN201209146Y Low nitrogen blast furnace blower
03/18/2009CN201209145Y Blast furnace air supply bend pipe
03/11/2009CN101381786A Top burning hot blast stove using annular airflow spray upward with premixing combustion and reflux heating
03/11/2009CN100467619C Compensation process of high furnace iron-making air blast system
03/04/2009CN101379199A Bleeder valve for pressurised furnace
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