| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 11/04/1998 | EP0805786B1 Method of utilizing dusts produced during the reduction of iron ore |
| 11/04/1998 | CN2296502Y Horizontal rotary bulking furnace for hard pearlite |
| 10/29/1998 | WO1998048231A1 Cooler for particulate material |
| 10/28/1998 | EP0874207A1 Solid flight conveying screw for furnace |
| 10/27/1998 | US5826521 Method for reducing the emissions produced by incinerating waste |
| 10/22/1998 | WO1998046952A1 Cylindrical drum support device |
| 10/21/1998 | EP0724615B1 Rubbish conveyor |
| 10/21/1998 | CN2295179Y Ferromagnetic material electric heating rotary furnace |
| 10/20/1998 | US5823768 Rotary combustor and seal assembly therefor |
| 10/14/1998 | CN2294437Y Automatic control device for rotary-drum kiln thermodynamic process |
| 10/13/1998 | US5820363 Apparatus for thermal processing of raw materials in dust form |
| 10/06/1998 | US5816795 Apparatus and method for providing supplemental fuel to a preheater/precalciner kiln |
| 09/29/1998 | CA2134590C Systems and processes for pyrolyzing contaminates on foundry sand and combusting the resulting gas |
| 09/23/1998 | EP0866295A1 Operation of rotary kilns |
| 09/23/1998 | EP0865330A1 Volatile materials treatment system |
| 09/23/1998 | EP0673495B1 Inlet for feeding raw materials into a rotary drum |
| 09/23/1998 | CN1193719A Electric heating rotary furnace for ferromagnetic materials |
| 09/16/1998 | CN2291632Y Electric heating drum furnace for ferromagnetic material |
| 09/11/1998 | WO1998039611A1 Rolling body for a rotary drum and rotary drum with a rolling body |
| 09/11/1998 | CA2283302A1 Rolling body for a rotary drum and rotary drum with a rolling body |
| 09/09/1998 | EP0769125B1 Process for melting a metal charge in a rotary kiln, and rotary kiln for implementing such process |
| 09/09/1998 | EP0646758B1 Apparatus for preheating and supplying scraps |
| 09/02/1998 | CN1191963A Locking mouth-masonning method for rotary kiln lining by using combined locking brick |
| 08/26/1998 | EP0745144B1 Method and apparatus for recovery of non-ferrous metals from scrap and dross |
| 08/26/1998 | CN2289184Y Ferrite presintering charge rotary-drum furnace |
| 08/20/1998 | DE19706265A1 Method for burning basic material |
| 08/19/1998 | EP0858979A1 Method and apparatus for producing cement clinker |
| 08/19/1998 | EP0858436A1 Method and apparatus for producing cement clinker |
| 08/11/1998 | US5792393 Method of repairing hot refractory linings in high-temperature vessels |
| 08/04/1998 | US5788481 Carbon reactivation apparatus |
| 07/22/1998 | EP0854340A1 Support device with interchangeable wear members for a rotating workpiece like a rotary drum furnace |
| 07/22/1998 | EP0854339A1 Process and installation for the heat treatment of fine-grained charges |
| 07/21/1998 | US5783142 Oxidizing aluminum dross residue to high alumina lightweightaggregateat |
| 07/16/1998 | WO1998030818A1 Sealing arrangement |
| 07/16/1998 | CA2276392A1 Sealing arrangement |
| 07/15/1998 | CN1039114C Method and apparatus for manufacture of cement clinker |
| 07/14/1998 | US5779468 Device for supplying gas to rotary kilns |
| 07/14/1998 | US5779467 Method and apparatus for preheating particulate material |
| 07/08/1998 | CN1038986C 旋流器 Cyclone |
| 07/07/1998 | US5775891 Grate cooler for combustion material and process for its operation |
| 07/07/1998 | US5775890 Plant for heat treatment of lumpy material |
| 07/01/1998 | CN1186218A Rotary kiln and drier body with combined thermal insulation cover |
| 06/24/1998 | CN2284940Y Rotating device of direct-injection coal-jetting nozzle for cement ratory kiln |
| 06/23/1998 | US5769624 Variable flame burner configuration |
| 06/23/1998 | US5769007 Bulk material heating chamber equipped with heating tubes |
| 06/16/1998 | US5766544 Rotating, heating retort containing particulate material, injecting additional material to effect reaction, controlling temperature, rate of injection |
| 06/10/1998 | CN1184457A Method and apparatus for using blast-furnace slag in cement clinker production |
| 06/09/1998 | US5763897 Non-uniform thickness or bandgap superlattice betweeen cladding layer and multi-quantum well structure of pin optical waveguide |
| 06/09/1998 | US5762862 Firing while rotating a cylindrical heat resistant container with ceramic forms about horizontal shaft |
| 06/02/1998 | US5759483 Apparatus for treating a particulate material within a rotating retort |
| 05/26/1998 | US5755952 Placing material in high and low temperature active gas atmospheres to expand and contract |
| 05/20/1998 | EP0716676B1 Rotary heating chamber for solids |
| 05/20/1998 | DE19647484A1 Cement manufacturing process with reduced costs |
| 05/20/1998 | CN1182200A Burning system for rotary cement kiln |
| 05/12/1998 | US5749722 Single charge continuous rotary retort furnace with an accessible door |
| 04/14/1998 | US5738510 Rotary kiln cooler |
| 04/08/1998 | CN1178302A Lamp shade assembly and method of forming same |
| 04/02/1998 | WO1998013657A1 Plant for heat treatment of particulate material |
| 04/01/1998 | CN1177728A Ferrite prefiring material rotary kiln |
| 03/31/1998 | US5733115 Rotary drum suspended within live-ring |
| 03/26/1998 | DE19639156A1 Conveyor system for bulk materials esp. for clinker transport in cement manufacture |
| 03/24/1998 | US5730590 Inlet for feeding raw materials into a rotary drum |
| 03/19/1998 | DE19637320A1 Cement production from calcined raw material |
| 03/17/1998 | US5728357 Injection of urea pellets |
| 03/11/1998 | EP0827491A1 Method and apparatus for using blast-furnace slag in cement clinker production |
| 03/10/1998 | US5724899 Modified cement kiln for burning combustible solid waste as supplemental fuel |
| 03/10/1998 | US5724896 Method and apparatus for providing supplemental fuel to a rotary kiln |
| 03/05/1998 | DE19737659A1 Building material production from fine synthetic gypsum powder |
| 02/26/1998 | DE19633709A1 Drive for large, rotating drums |
| 02/18/1998 | CN1173545A Method and appts. for regenerating material from wasted materials in ironworks |
| 02/17/1998 | US5719101 Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications |
| 02/10/1998 | US5716205 Rotatable heating chamber for solid material |
| 02/03/1998 | US5713734 Equipment for and method of calcination of mineral materials with reduced emission of nitrogen oxides |
| 01/28/1998 | CN2273400Y Reducing atmosphere controlling apparatus for rotary kiln head |
| 01/27/1998 | US5711802 Heat treatment of lime sludge |
| 01/27/1998 | US5711664 Rotary melting furnace |
| 01/27/1998 | US5711235 Waste conveyor and method for inspecting the contents of a conveyor channel for waste |
| 01/15/1998 | DE19627461A1 Heating chamber with heating tubes in inner chamber, pref. for waste carbonisation burner system |
| 01/14/1998 | CN2272562Y Automatic adjusting jet-gun for rotary kilm |
| 01/13/1998 | US5707444 Method for controlling the temperature in a kiln |
| 01/07/1998 | EP0758945A4 Drum dryer having aggregate cooled shielding flights |
| 01/06/1998 | US5704782 Tapered bricks |
| 01/06/1998 | US5704780 Apparatus for thermal processing of raw materials in dust form |
| 01/06/1998 | US5704301 Rotary combustor and spring assembly therefor |
| 12/31/1997 | CN1169135A Method of utilizing dusts produced during the reduction of iron ore |
| 12/30/1997 | US5702247 Kiln lining and method |
| 12/29/1997 | EP0719177B1 Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications |
| 12/24/1997 | WO1997048652A1 A method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant |
| 12/23/1997 | CA2090624C Apparatus and method for separation, recovery, and recycling municipal solid waste and the like |
| 12/17/1997 | EP0813035A1 Seal for rotary drum |
| 12/17/1997 | CN2270955Y Rotary high temp oil-fired fritting furnace |
| 12/11/1997 | WO1997046843A1 Kiln lining and method |
| 12/09/1997 | US5695329 Rotary kiln construction with improved insulation means |
| 12/02/1997 | CA2099985C Lightweight aggregate from fly ash and sewage sludge |
| 11/26/1997 | CN2268912Y 多功能回转窑 Multi-function rotary kiln |
| 11/20/1997 | DE19619342A1 Sealing device for turning tubes in casing |
| 11/18/1997 | US5688470 Apparatus for recovery of non-ferrous metals from scrap and dross |
| 11/18/1997 | US5688117 Rotatable heating chamber with internal tubes for waste |
| 11/13/1997 | DE19618662A1 Alignment method of pipe joints, esp. for rotary furnace or kiln pipes used in cement clinker manufacture |
| 11/12/1997 | EP0805786A1 Method of utilizing dusts produced during the reduction of iron ore |