Patents
Patents for F27B 15 - Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion (2,303)
07/1999
07/06/1999US5919281 Efficient separation of particle sizes
07/06/1999US5919038 Method for the calcination of calcium carbonate bearing materials
07/01/1999WO1999032666A1 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor
07/01/1999WO1999032217A1 Method and apparatus for controlling heat transfer from solid particles in a fluidized bed
07/01/1999CA2281591A1 Two step twin-single fluidized bed type pre-reduction apparatus for pre-reducing fine iron ore, and method therefor
06/1999
06/24/1999WO1999031450A2 Raining bed heat exchanger and methods of use
06/24/1999CA2314146A1 Raining bed heat exchanger and methods of use
06/09/1999CN1219205A Process for treatment of particulat matter by fuidisation, and vessel with apparatus to carry out the treatment
06/08/1999US5910290 Arrangement in a wall and a method of coating a wall
06/02/1999EP0862657A4 Duplex procedure for the production of metals and metal alloys from oxidic metal ores
05/1999
05/27/1999WO1999025884A1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed
05/20/1999DE19835699A1 Charging of a fluidized bed reactor
05/18/1999US5904119 Furnace apparatus for fluidized bed processes
05/14/1999WO1999023431A1 Fluidized bed gasification combustion furnace
05/12/1999EP0914477A1 3-stage fluidized bed type fine iron ore reducing apparatus having x-shaped circulating tubes
05/12/1999EP0914201A1 Furnace having toroidal fluid flow heating zone
04/1999
04/27/1999US5897829 Apparatus for reducing fine iron ore
04/22/1999WO1999002332A3 Heat exchanger for particulate material
04/14/1999CN2314320Y Gas flow baffle structure of fluid-bed furnace
04/08/1999WO1999016541A1 A process and apparatus for treating particulate matter
04/08/1999DE19750475C1 High temperature treatment of very small particles
04/08/1999CA2305260A1 A process and apparatus for treating particulate matter
03/1999
03/30/1999CA2083883C Device for distributing pneumatically handled, pulverulent solids into a large diameter annular section, and kiln equipped therewith
03/24/1999EP0902841A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment
03/24/1999EP0858365B1 Method of returning a finely-divided solid extracted from a reactor vessel using a gas
03/17/1999CN1211283A 3-stage fluidized bed type fine iron ore reducing apparatus having X-shaped circulating tubes
03/09/1999US5879618 Whirl-bed drying means, drying gas purification; avoids disturbances due to dust
02/1999
02/17/1999CN1208462A Method and apparatus for continuous treatment of particulate material
02/09/1999US5868083 Method and device for feeding fuel into a fluidized bed
01/1999
01/21/1999WO1999002332A2 Heat exchanger for particulate material
01/20/1999EP0892234A2 Apparatus for use in fluidized solid systems
01/20/1999CN1205743A Duplex procedure for prodn. of metals and metal alloys from oxidic metal ores
01/19/1999CA2149519C Method and apparatus for cooling hot gases
01/13/1999EP0889974A1 Fluidized bed type reducing system for reducing fine iron ore
01/12/1999US5858058 Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials
12/1998
12/30/1998EP0777758B1 Arrangement in a wall and a method of coating a wall
12/16/1998CN2300874Y Fludized boiling decomposing furnace
12/16/1998CN1041174C Method and apparatus for treating gases and particulate solids in fluid bed
12/10/1998WO1998055418A1 Installation for thermal treatment of suspended powder substances, and use for flash calcining of mineral, in particular clayey, substances
12/10/1998WO1998055417A1 Method and apparatus for producing cement clinker
12/10/1998CA2292744A1 Installation for thermal treatment of suspended powder substances, and use for flash calcining of mineral, in particular clayey, substances
12/09/1998EP0882687A1 Method and apparatus for producing cement clinker
12/09/1998CN1201403A Method of returing finely-divided solid carried by gas extracted from reactor vessel
12/08/1998US5846072 Indirect-fired, all ceramic pyrochemical reactor
12/02/1998EP0844987A4 Method and system for multi-stage calcining of gypsum to produce an anhydrite product
12/02/1998CN1200478A Equipment-fluidised bed furnace for calcining powdered ore to ball shaped ore, and method for calcining gelatinization material
11/1998
11/19/1998WO1998051965A1 Heating equipment
11/19/1998CA2289644A1 Heating equipment
11/18/1998EP0877907A1 Method and apparatus for continuous treatment of particulate material
11/18/1998EP0804705B1 Process for incinerating material in a fluidised bed
11/18/1998CN2297693Y Fluidised-bed vortex comprehensive combustion device
11/10/1998US5832848 Fluidized bed heat treatment furnace
10/1998
10/28/1998CN1040460C Process and appts. for producing molten pig iron or molten steel preproducts
10/14/1998CN2294439Y Composition type decomposition furnace
10/14/1998CN1196034A Method and system for multi-stage calcining of gypsum to produce anhydrite product
09/1998
09/23/1998CN1193923A Method and apparatus for treating a bed of particulate material
09/15/1998US5806206 Gas distributor for vertical gas/solid reactors
09/09/1998EP0862657A1 Duplex procedure for the production of metals and metal alloys from oxidic metal ores
09/03/1998WO1998038342A1 Production method of iron carbide
09/03/1998CA2276576A1 Production method of iron carbide
08/1998
08/27/1998WO1998037246A1 Fluidized bed process for removing organic materials from metallic articles such as aluminum scrap
08/19/1998EP0858365A1 Method of returning a finely-divided solid extracted from a reactor vessel using a gas
08/04/1998US5788482 Sintering method of cement clinkers and sintering apparatus of the same
07/1998
07/21/1998US5782973 Volatization of alkali compounds and decomposition of sulfur compounds using fluidized bed reactor by addition of air bleed; combustion; oxidation; heat exchanging
07/16/1998CA2263742A1 Iron carbide manufacturing process and apparatus
07/14/1998US5779989 Metallic reinforcement embedded in interior refractory wall; waste treatment; wear and corrosion resistance; tensile strength
07/09/1998WO1998029574A1 Fluidized bed type reducing system for reducing fine iron ore
07/09/1998CA2247080A1 Fluidized bed type reducing system for reducing fine iron ore
07/07/1998US5775890 Plant for heat treatment of lumpy material
07/02/1998WO1998028449A1 3-stage fluidized bed type fine iron ore reducing apparatus having x-shaped circulating tubes
07/02/1998CA2247152A1 3-stage fluidized bed type fine iron ore reducing apparatus having x-shaped circulating tubes
07/01/1998EP0851175A1 Method and apparatus for treating process gases in a circulating fluidised bed
06/1998
06/30/1998US5772955 Apparatus for suspension smelting
06/30/1998CA2222958A1 Method of and apparatus for treating process gases in a circulating fluidized bed
06/24/1998EP0848646A1 Method and apparatus for treating a bed of particulate material
06/16/1998US5766544 Rotating, heating retort containing particulate material, injecting additional material to effect reaction, controlling temperature, rate of injection
06/03/1998EP0844987A1 Method and system for multi-stage calcining of gypsum to produce an anhydrite product
06/02/1998US5759495 Method and apparatus for treating hot gases
06/02/1998US5759483 Apparatus for treating a particulate material within a rotating retort
05/1998
05/26/1998US5755952 Placing material in high and low temperature active gas atmospheres to expand and contract
05/07/1998DE19748043A1 Gasification and melting furnace, especially for refuse treatment
04/1998
04/28/1998US5743728 Method and system for multi-stage calcining of gypsum to produce an anhydrite product
04/21/1998CA2093812C Fluidized bed apparatus and method using same
04/15/1998EP0835704A1 Method of regenerating casting sand
03/1998
03/18/1998CN1176666A Device of three-stage fluidized bed furnace type for reducing fine iron ore
02/1998
02/12/1998WO1998005418A1 Method and apparatus for microwave treatment of metal ores and concentrates in a fluidized bed reactor
02/12/1998CA2262956A1 Method and apparatus for microwave treatment of metal ores and concentrates in a fluidized bed reactor
01/1998
01/29/1998WO1998003256A1 Furnace having toroidal fluid flow heating zone
01/14/1998EP0752083B1 A pressurized reactor system and a method of operating the same
01/07/1998EP0815265A1 Process for reducing ore fines and arrangement for carrying out the process
12/1997
12/17/1997EP0812364A1 Device of three-stage fluidized bed furnace type for reducing fine iron ore
12/10/1997EP0811080A1 2-stage fluidized bed furnace for pre-reducing fine iron ore and method for pre-reducing fine iron ore using the furnace
12/10/1997CN1167156A Process for producing molten pig iron or molten steel preproducts
11/1997
11/27/1997WO1997044496A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment
11/27/1997WO1997044495A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment
11/27/1997CA2257492A1 Process for the treatment of particulate matter by fluidisation, and vessel with apparatus to carry out the treatment
11/25/1997US5690730 Sintering method of cement clinkers and sintering apparatus of the same
11/05/1997EP0804705A1 Process for incinerating material in a fluidised bed
10/1997
10/23/1997WO1997039300A1 Introduction of fluidizable inerts into reactors containing fluidized catalyst
10/14/1997US5676734 Hot drying gas flows around ore particles of fine ore, releasing entrained dust ore particles, collecting and mixing the dust ore particles with dried fine ore, drying is effected in a fluidized bed
1 ... 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24