Patents for F27D 17 - Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases (7,646)
04/2001
04/19/2001WO2000075588B1 Method and device for operating electric arc furnaces and/or resistance furnaces
04/18/2001CA2323032A1 Method and apparatus for backing-up oxy-fuel combustion with air-fuel combustion
04/17/2001US6219371 System to plug the delta area of the roof of an electric arc furnace
04/17/2001CA2052659C Process for the production of pig iron and sponge iron
04/12/2001DE19947343A1 Melting zinc-containing materials containing heavy metals comprises reductively moving the burner and/or the liquid slag so the zinc is converted into the gas phase
04/04/2001CN1290336A Cooled roof for electric arc furnaces and ladle furnaces
04/03/2001US6210157 Fuel reformer combustion process
03/2001
03/29/2001DE10047555A1 Cover for a metallurgical melting furnace has a cylindrical body element arranged above the flange and is equipped with an end wall which has a number of openings receiving a carbon electrode
03/27/2001US6206949 NOx reduction using coal based reburning
03/21/2001EP1085283A2 Installation for the cleaning and burning of shaft furnace exhaust gases
03/21/2001EP1085282A1 Oxidant-driven dust recycling process and device for rotary kilns
03/21/2001EP1085264A1 Process and apparatus for water cooling of a combustion grate
03/21/2001CN1288066A Method and equipment for prodn. of reduction iron
03/20/2001US6203316 Continuous on-line smokeless bake-out process for a rotary oxidizer
03/20/2001US6202576 Process for recycling fine-particle solids discharged from a reactor vessel with a gas
03/15/2001WO2001018261A1 Installation for controlling the sealed condition of water-gas heat exchangers for industrial furnaces
03/15/2001WO2001018260A1 Furnace for the direct reduction of iron oxides
03/15/2001DE19943665A1 Verfahren zur Kühlung eines Rostes für einen Feuerraum mittels Wasser sowie Rost zur Verbrennung von Feststoffen Method for cooling a grate for a combustion chamber with water and rust for combustion of solids
03/15/2001CA2351633A1 Installation for controlling the sealed condition of water-gas heat exchangers for industrial furnaces
03/13/2001US6201826 Loading system for electric arc furnaces
03/13/2001US6200518 Melt-reducing facility and method of operation thereof
03/08/2001DE19941229A1 Waste gas guide has a waste gas line formed in its section connected to the furnace wall as a double-wall pipe having an inner and an outer pipe
02/2001
02/06/2001US6183243 Method of using nuclear waste to produce heat and power
01/2001
01/17/2001CN2415325Y Double preheated sinter ignition furnace
01/17/2001CN1280628A Method for reducing iron oxides and smelting iron and installations thereof
01/17/2001CN1280288A Preheating heater
01/16/2001USRE37014 Combined installation of a metal production unit and a unit for the separation of air gas
01/16/2001US6175584 Aspiration system to reduce the losses of fine materials and powders from an electric arc furnace
01/04/2001WO2000040839B1 Method for the cogeneration of heat and power in conjunction with decentralised heat needs
12/2000
12/28/2000WO2000079012A1 Method for producing melt iron
12/28/2000WO2000078482A1 Metallurgical treatment apparatus
12/27/2000EP1063473A1 Combustion apparatus and melting furnace for nonferrous metals
12/27/2000EP1062469A1 Cooled roof for electric arc furnaces and ladle furnaces
12/27/2000CN1278011A Direct smelting furnace
12/27/2000CN1278010A Direct smelting method and equipment
12/26/2000US6164962 Rapid cooling down method for regenerative thermal oxidizer
12/21/2000DE19927380A1 Induction treatment device for glass vitrification of a sample prior to analysis has a treatment crucible for mixing sample and glass which has two axes or rotation or agitation to improve homogenization of glass and sample
12/14/2000WO2000075588A1 Method and device for operating electric arc furnaces and/or resistance furnaces
12/13/2000EP1059501A2 Direct smelting vessel
12/07/2000WO2000073724A1 Method for cooling the gas flow in a smelting furnace
12/07/2000DE19925599A1 Verfahren und Vorrichtung zum Betrieb von Lichtbogenschmelzöfen und/oder Widerstandsschmelzöfen Method and apparatus for operation of electric arc furnaces and / or Widerstandsschmelzöfen
12/07/2000CA2374912A1 Method for cooling the gas flow in a smelting furnace
11/2000
11/30/2000DE19923197A1 Induction sintering process, for a charge of pressed powder parts, comprises arranging individual charge batches in stacked supports having gas and vapor extraction openings
11/29/2000EP1055092A1 Seal for steel furnace emissions
11/29/2000CN1275193A Method for operating moving hearth reducing furnace
11/29/2000CN1274830A Method and equipment utilizing afterheat of high-temperature waste gas from cement kiln
11/22/2000CN2407318Y Purifier for kiln
11/21/2000US6149858 Apparatus for producing steel utilizing an electrical steel making furnace vessel
11/15/2000EP1051540A1 A neural network packing
11/09/2000WO2000040839A3 Method for the cogeneration of heat and power in conjunction with decentralised heat needs
11/08/2000CN2405175Y Arrangement for gas preheating
11/02/2000WO2000065102A1 Method and device for melting down finely particulate material containing metal, such as sponge iron
11/02/2000WO2000064832A1 A plant and a process for manufacturing cement and electricity simultaneously
11/02/2000EP1048629A1 Device and method of bypassing kiln exhaust gas
11/02/2000CA2367596A1 Method and device for melting down finely particulate material containing metal, such as sponge iron
11/01/2000CN2404086Y Residual-heat utilization apparatus for mechanical cement shaft kiln
11/01/2000CN2404085Y Internal regenerative chamber industrial furnace
11/01/2000CN2403485Y Dry type smoke prevention and dust control apparatus for limekiln
10/2000
10/31/2000US6139315 Recuperator for furnaces
10/24/2000US6136068 Filtering dirtly air with improved efficiency by initiating a filter cleaning cycle for a particular filter when the pressure drop across that filter and fan speed match pre-set values for the pressure drop and fan speed
10/24/2000CA2205529C Plasma furnace and a method of operating the same
10/21/2000CA2269449A1 Safety device for a natural draft appliance
10/17/2000US6132207 Discharge system for a reactor, and process system provided with a discharge system of this kind
10/17/2000US6132206 Water cooled finger for pre-heater of furnace top
10/12/2000DE19912595A1 Fume extractor hood, especially for an induction melting furnace, is pivot mounted on a tubular bearing system acting as an extractor channel
10/05/2000WO2000058678A1 Tunnel type heating equipment for surface transmission of infrared radiation
10/04/2000CN2399693Y Smoke bakc-blowing appts. of non-return heat accumulating industrial furnace
09/2000
09/27/2000CN2398601Y Sintering machine residual-heat recovery steam generator
09/21/2000WO2000055559A1 A method and apparatus for reducing a feed material in a rotary hearth furnace
09/13/2000EP1035394A1 Process and device for guiding hot, particle loaded gases
09/13/2000EP1034312A1 Method for reducing iron oxides and smelting iron and installations therefor
09/12/2000US6116894 Continuous furnace
08/2000
08/29/2000US6109914 Gas flow furnace
08/29/2000CA2208511C Arc furnace fume collection system
08/24/2000DE19907473A1 Feeding hot particle-charged gases from metallurgical vessel into gas purification plant, comprises deviating edge region of rotating gas stream and treating independently of gas main stream
08/23/2000EP1030150A1 Fluidized bed gasification combustion furnace
08/22/2000US6108363 Oxygen injector
08/17/2000WO2000023626A8 Off-gas hood for a basic oxygen furnace and method of repair
08/17/2000DE19905592A1 Heat recovery from outer surface of cement production rotary kiln comprises passing air or raw material powder or sludge through an annular gap between the kiln and a concentric outer cylinder
08/16/2000EP1028301A1 Exhaust gases treatment process in the iron and steel industry
08/16/2000EP1027569A1 Method for operating moving hearth reducing furnace
08/15/2000US6102693 Preheating method in a continuous furnace
08/03/2000DE19846100C2 Gleichstromlichtbogenofen zur Herstellung von Stahl sowie Verfahren hierzu DC arc furnace for producing steel and method therefor
07/2000
07/27/2000WO2000043720A1 Aspiration system to reduce the losses of fine materials and powders from an electric arc furnace
07/27/2000WO2000043719A1 System to plug the delta area of the roof of an electric arc furnace
07/26/2000CN2389341Y Vertical heat pipe type flue-gas waste heat recoverer
07/25/2000US6092300 Process for the operation of a regenerator and regenerator
07/18/2000US6090182 Hot oxygen blast furnace injection system
07/13/2000WO2000040839A2 Method for the cogeneration of heat and power in conjunction with decentralised heat needs
07/12/2000CN2387492Y Industrial kiln
07/11/2000US6086817 Off-gas hood for a basic oxygen furnace and method of repair
07/04/2000US6083453 Tundish having fume collection provisions
06/2000
06/27/2000US6081545 ARC furnace improved fume collection
06/21/2000EP1009964A1 Heat regeneration for oxy-fuel fired furnaces
06/20/2000US6077473 Torch cutting enclosure having fume collection provisions
06/06/2000US6071467 Technique and apparatus for ladle cleanout
06/02/2000WO2000031482A1 Improved apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross
06/02/2000CA2351353A1 Improved apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross
05/2000
05/31/2000DE19848926A1 Cracking apparatus for cracking condensable, impure gases obtained from organic wastes into non-condensable power generation gases, retains maximum of calorific value through indirect heating and heat recovery strategies
05/17/2000CN1253595A Process and device for recovering raw materials from waste and residues
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