| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 07/08/1999 | DE19800249A1 Reduction of harmful substances during production of aqueous bonding agents |
| 07/07/1999 | EP0927707A1 Method and apparatus for cooling exhaust gas from bypass of kiln |
| 07/07/1999 | EP0756584B1 Method for controlling the temperature in a kiln |
| 07/07/1999 | CN1222130A Method of regulating flue gas temp. and voltage supply in electrostatic precipitator for cement prodn. plant |
| 07/06/1999 | US5919301 Preheated in a multi-stage cyclone preheater, then further heated in a calcination zone, next finally burnt in a kiln and then cooled. reduction of nox exhaust. |
| 06/30/1999 | EP0925477A1 Cylindrical drum support device |
| 06/29/1999 | US5915959 Method and apparatus for preheating particulate material |
| 06/29/1999 | US5915308 Discharge apparatus |
| 06/23/1999 | CN2325401Y Roasting rotary kiln with isolation |
| 06/22/1999 | US5913677 Carbon reactivation apparatus |
| 06/17/1999 | WO1999030095A1 Device for driving a cylinder in rotation |
| 06/17/1999 | CA2278740A1 Device for driving a cylinder in rotation |
| 06/16/1999 | CN1219890A Reduction of NOx emissions from rotary cement kilns by selective noncatalytic reduction |
| 06/10/1999 | WO1999028678A1 Method for automatized combustion and combustion apparatus |
| 06/10/1999 | WO1999028512A1 Method for reducing iron oxides and smelting iron and installations therefor |
| 06/10/1999 | WO1999028261A1 Control of cement clinker production by analysis of sulfur content in the end product |
| 06/10/1999 | WO1999028236A1 Method and device for directly converting uranium hexafluoride into uranium oxide |
| 06/10/1999 | DE19753576A1 Gear ring fitted to heavy industrial rotary drum, to mesh with drive pinion |
| 06/10/1999 | DE19752728A1 Microwave heated rotary pipe furnace |
| 06/10/1999 | CA2312404A1 Control of cement clinker production by analysis of sulfur content in the end product |
| 06/10/1999 | CA2312035A1 Method for reducing iron oxides and smelting iron and installations therefor |
| 06/10/1999 | CA2310334A1 Method for automatized combustion and combustion apparatus |
| 06/09/1999 | EP0921200A1 Process and apparatus for reducing iron oxides and melting iron |
| 06/09/1999 | EP0716675B1 Rotary heating chamber for waste with internal tubing |
| 06/02/1999 | EP0919736A1 Device for securing an anular shell on a rotary drum such as a rotary kiln |
| 06/02/1999 | EP0714428B1 Thermal waste disposal plant and process for operating the same |
| 05/26/1999 | CN2320970Y Sealing device for end of rotary kiln |
| 05/26/1999 | CN2320619Y Multi-grate products channel and secondary air-distributing device of rotary internal heated activation furnace |
| 05/25/1999 | US5906483 For treating materials by application of indirect heat |
| 05/25/1999 | CA2254455A1 System for connection of an annular tire or hoop and a rotary drum or tube, such as a rotary kiln or furnace |
| 05/20/1999 | DE19749183A1 Fireclay and calcine are produced in a rotary kiln coupled to an alternative fuel kiln |
| 05/19/1999 | EP0916917A1 Protecting device for the lifter of a rotary drum cooler used in the cement industry |
| 05/19/1999 | EP0916916A1 Fixation device for lifters of a rotary drum cooler used in the cement industry |
| 05/19/1999 | EP0882141A4 Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets |
| 05/19/1999 | CN2319767Y High temp. waste heat generating kiln with preheater |
| 05/11/1999 | US5902040 Asphalt plant including flame arrester |
| 05/06/1999 | EP0729558B1 Lining of a rotary furnace and brick used therefor |
| 05/05/1999 | CN2317453Y 外加热回转窑 Externally heated rotary kiln |
| 05/04/1999 | US5900040 Roasting of titaniferous materials |
| 04/28/1999 | EP0713516B1 Heating chamber for solids |
| 04/28/1999 | CN2316617Y Furnace for pre-decomposition of pellet |
| 04/20/1999 | US5895213 Clinker cooler |
| 04/15/1999 | WO1999018406A1 Supplemental fuel delivery device for preheater/precalciner kilns |
| 04/07/1999 | EP0906251A1 A method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant |
| 04/06/1999 | US5890814 Support ring mount for rotating drum |
| 03/31/1999 | CN1212673A Plant for manufacturing cement clinker |
| 03/30/1999 | US5889810 Apparatus for preheating and melting of scrap and process for the same |
| 03/30/1999 | US5887986 Support device with interchangeable wearing members for a rotary part such as a tubular furnace |
| 03/30/1999 | CA2083883C Device for distributing pneumatically handled, pulverulent solids into a large diameter annular section, and kiln equipped therewith |
| 03/17/1999 | CN1211316A Iron-base scrap preheating apparatus and method |
| 03/17/1999 | CN1211229A Method for reducing NOx emission from a kiln plant |
| 03/17/1999 | CN1210965A Method for reforming five-stage cyclone preheater using predecomposition technology |
| 03/16/1999 | US5882190 Control of cement clinker production by analysis of sulfur in the end product |
| 03/04/1999 | WO1999010544A1 Direct iron and steelmaking |
| 03/04/1999 | DE19738056A1 Denitrifying of kiln exhaust gases |
| 03/04/1999 | DE19737519A1 Magnesia and/or burnt dolomite based refractory article |
| 03/04/1999 | CA2340191A1 Direct iron and steelmaking |
| 03/03/1999 | CN1209537A Technology for remaking vertical-tube preheater |
| 02/23/1999 | US5873714 For processing material with high temperature gases |
| 02/17/1999 | EP0896958A1 Process and apparatus for combined production of cement clinker and electric current |
| 02/11/1999 | WO1999006778A1 Oxygen enrichment of cement kiln system combustion |
| 02/10/1999 | EP0895720A1 Sealing arrangement |
| 02/10/1999 | CN1042059C Method and apparatus for energy recovery from hazardous waste |
| 02/09/1999 | US5868492 Lamp shade assembly and the method of forming same |
| 02/03/1999 | EP0894151A1 Recovery of metal from dross |
| 02/03/1999 | EP0827491A4 Method and apparatus for using blast-furnace slag in cement clinker production |
| 02/03/1999 | CN2306471Y Way-type resistor furnace |
| 02/03/1999 | CN1207115A Delivery device |
| 01/28/1999 | WO1999003795A1 Method and apparatus for the processing of phosphate gypsum waste |
| 01/28/1999 | WO1999003794A1 Method and apparatus for cooling exhaust gas from bypass of kiln |
| 01/26/1999 | US5863197 Solid flight conveying screw for furnace |
| 01/20/1999 | EP0892029A1 Apparatus for pyrolysing biomass |
| 01/20/1999 | EP0891799A1 Process and apparatus for de-oiling oil and grease containing materials |
| 01/20/1999 | CN1041754C Method and appts. for pre-processing mixture containing metal |
| 01/13/1999 | EP0890809A1 Iron-base scrap preheating apparatus and method |
| 01/13/1999 | CN1041651C Flexible air supply connection in grate cooler |
| 12/30/1998 | EP0887607A1 A metallurgical furnace unit |
| 12/30/1998 | CN1041442C Roasting of titaniferous materials |
| 12/29/1998 | US5853657 Reduced dusting bath system for metallurgical treatment of sulfide materials |
| 12/23/1998 | EP0886118A1 Rotary drum furnace in particular for remelting aluminium |
| 12/23/1998 | EP0885177A1 Plant for manufacturing cement clinker |
| 12/22/1998 | CA2135635C Apparatus for preheating and charging scrap materials |
| 12/17/1998 | WO1998056728A1 Method and apparatus for recovering energy from wastes by combustion in industrial furnaces |
| 12/16/1998 | EP0884546A2 Installation for the distribution and/or the sluicing of warm fines |
| 12/16/1998 | EP0751916B1 Heat treatment of lime sludge |
| 12/10/1998 | WO1998055423A1 Ordinary ceramic body from magnesia and/or burnt dolomite |
| 12/10/1998 | WO1998055417A1 Method and apparatus for producing cement clinker |
| 12/09/1998 | EP0882687A1 Method and apparatus for producing cement clinker |
| 12/09/1998 | EP0882141A1 Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets |
| 12/09/1998 | CN1201410A Volatile materials treatment system |
| 12/02/1998 | EP0880481A1 METHOD FOR REDUCING NO x EMISSION FROM A KILN PLANT |
| 12/02/1998 | CN1200714A Method and apparatus for producing cement clinker |
| 12/01/1998 | US5843204 Method for recycling iron and steel industry waste |
| 12/01/1998 | US5842338 Replaceable bridge-link with base |
| 11/26/1998 | WO1998053261A1 A metallurgical furnace unit |
| 11/19/1998 | DE19720417A1 Rotary pyrolysis kiln with indirect heating by transverse flow of flue gases |
| 11/10/1998 | US5833453 Apparatus for producing bulk material |
| 11/05/1998 | DE19726150C1 Rotary waste pyrolysis drum |
| 11/04/1998 | EP0875491A1 Method and apparatus for the control of the internal cycling of pollutants occuring during the production of clinker from raw meal |
| 11/04/1998 | EP0874971A2 Delivery device |