| Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396) |
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| 08/17/1988 | CN87214616U Double-channel rotating flow type coal powder burner with a flame stabilizer of a cement rotatory kiln |
| 07/21/1988 | DE3700937A1 Process for producing cement clinker or similar calcined material in rotating tubular kilns |
| 07/13/1988 | EP0274090A2 Seal |
| 06/29/1988 | CN87107033A Treatment of waste and rotary kiln therefor |
| 06/22/1988 | CN87107329A Improvements relating to coal-fired kiln plants |
| 06/16/1988 | DE3641731A1 Device for heat-treatment of articles tending to cake |
| 06/14/1988 | US4750377 Assembly for rotating a drum |
| 05/31/1988 | US4748010 Energy conserving limestone calcining system |
| 05/31/1988 | US4747879 Method and apparatus for the thermal treatment of meal-like raw materials |
| 05/03/1988 | US4741694 Self-supporting rotary kiln |
| 04/21/1988 | WO1987001692A3 Use of waste material with a calorific value for cement production |
| 04/13/1988 | EP0263404A1 Rotary kiln |
| 04/13/1988 | CN87104762A Apparatus for roasting fine grained material |
| 04/07/1988 | WO1988002284A1 Treatment of waste and a rotary kiln therefor |
| 04/07/1988 | DE3633892A1 Bearing system for the drum of a furnace installation |
| 03/22/1988 | US4732561 Apparatus for cooling hot material |
| 03/15/1988 | CA1233986A1 Modified metallurgical converters and method of repairing same |
| 03/09/1988 | EP0258977A2 Apparatus for roasting fine grained material |
| 03/08/1988 | US4730338 Coupling construction for an electric furnace |
| 03/01/1988 | US4728203 Radial load bearing system of rotary kiln |
| 02/24/1988 | EP0256021A1 Process and device for reducing the release of the sulfur oxide and/or volatile organic compounds formed during the heating of raw meal in the pre-heating circuit, in particular in the suspension-type heat exchanger in cement manufacture |
| 02/16/1988 | US4724777 Apparatus for combustion of diverse materials and heat utilization |
| 02/10/1988 | EP0255662A2 Sealing |
| 02/04/1988 | DE3625260A1 Activation of the fuel for calcination of raw meal by feeding in from the outlet side of the rotary tube furnace |
| 02/02/1988 | US4722723 Rotatable drum assembly |
| 01/19/1988 | US4720262 Apparatus for the heat treatment of fine material |
| 01/13/1988 | EP0252843A1 Plasma-heated rotary drum furnace mechanically fed with materials to be treated |
| 12/29/1987 | US4716532 Clinker manufacture control using falling clinker colorific energy measurement |
| 12/29/1987 | US4715811 Rotary kiln, calcining furnace and cooler |
| 12/29/1987 | US4715188 Method and cooler for cooling granular material |
| 12/16/1987 | EP0248852A1 Cylindrical rotary kiln |
| 12/15/1987 | CA1230209A1 Firing of lime sludge reburning kilns with a solid fuel |
| 12/09/1987 | EP0248708A1 Process for controlling a plant for producing cement by the dry way with precalcination |
| 11/24/1987 | US4708644 Apparatus for roasting fine grained material |
| 11/19/1987 | EP0245295A1 Use of waste material with a calorific value for cement production |
| 11/19/1987 | DE3616771A1 Low-temperature carbonisation of fuel-containing raw meals in clinker production |
| 11/17/1987 | US4707175 Exposing glass batch to hot exhaust gases; temperature control at discharge end |
| 10/22/1987 | DE3612031A1 Process and apparatus for the heat treatment of pulverulent raw material |
| 10/15/1987 | DE3612030A1 Process and apparatus for the heat treatment of pulverulent raw material |
| 10/14/1987 | EP0240575A1 L-shaped lifting blade for tube coolers |
| 10/06/1987 | US4697792 Melting furnace |
| 10/06/1987 | CA1227634A1 Rotary calcining system with cleaning means |
| 09/22/1987 | US4695325 Method and apparatus for producing clinker |
| 09/02/1987 | EP0234108A1 Rotatable drum assembly |
| 08/26/1987 | EP0233448A2 Rotary drum |
| 08/13/1987 | WO1987004698A1 Process and device for reducing the release of the sulfur oxide and/or volatile organic compounds formed during the heating of raw meal in the pre-heating circuit, in particular in the suspension-type heat exchanger in cement manufacture |
| 08/12/1987 | CN87100287A Rotatable drum assembly |
| 08/11/1987 | US4685970 Solids preheated in multistage heat exchanger by mixture of exhaust gases from furnace and reaction vessel |
| 08/06/1987 | DE3601291A1 Rotary tube furnace with a number of planetary cooling pipes |
| 08/04/1987 | CA1224925A1 Two stage batch liquefaction process and apparatus |
| 08/04/1987 | CA1224920A1 Rotary kiln for use in reduction-smelting ores of oxides of iron group elements and smelting method thereof |
| 07/16/1987 | DE3600550A1 Blow-in nozzle |
| 07/16/1987 | DE3600549A1 Drum for the exchange of heat between solid material and gas |
| 07/15/1987 | EP0228650A1 Air cooled rotary kiln collar |
| 07/14/1987 | US4680009 Apparatus for removing oversize from the hot material discharged from a rotary kiln used to produce sponge iron by a direct reduction of iron oxide containing materials |
| 07/08/1987 | EP0227923A1 Kiln construction |
| 06/30/1987 | US4676824 Process for generating heat and producing sponge iron |
| 06/30/1987 | US4676740 Heat exchange apparatus and process for rotary kilns |
| 06/25/1987 | DE3545317A1 Process and system for denitrogenating exhaust gases |
| 06/24/1987 | CN85109186A Direct reducing kiln |
| 06/18/1987 | WO1987003672A1 Cylindrical rotary kiln |
| 06/09/1987 | US4671497 Apparatus and method for the continuous calcination of aluminum hydroxide |
| 06/04/1987 | DE3542699A1 Drehrohrofen Rotary kiln |
| 06/02/1987 | US4669976 Calcining apparatus for powdery materials |
| 05/26/1987 | US4668183 Lifting element for pipe coolers for material produced at least partially in lumps |
| 05/20/1987 | EP0222044A1 Process and apparatus for the thermal treatment of powdery starting materials |
| 05/13/1987 | CN85107784A Process for production of calcium carbide and equipments thereof |
| 05/12/1987 | US4664625 Method and apparatus for heat treatment, capable of being used for making a hydraulic binder, including a post-combustion step |
| 05/06/1987 | CN85106799A Multi-cylinder cooler capable of forming rain-columm material curtain |
| 05/05/1987 | US4662945 Reduction, oxidation, absorption |
| 04/30/1987 | DE3531876C1 Rotary tube for a rotary tubular kiln and rotary tubular kiln |
| 04/29/1987 | EP0219745A1 Heated goods cooling device |
| 04/29/1987 | EP0219649A1 Arrangement of contact electrodes for direct-current arc furnaces or resistance-melting furnaces |
| 04/23/1987 | DE3537595A1 Method and installation for utilising moist waste, in particular sewage sludge |
| 04/22/1987 | EP0219061A1 The removal of furnace linings |
| 04/21/1987 | US4659356 Kiln construction |
| 03/26/1987 | WO1987001692A2 Use of waste material with a calorific value for cement production |
| 03/26/1987 | DE3533775A1 Verfahren und vorrichtung zur verwertung heizwerthaltiger abfallstoffe in verbindung mit der herstellung von bindemitteln Method and apparatus for recycling waste materials heizwerthaltiger in connection with the production of binders |
| 03/10/1987 | US4648836 Rotary retort furnace |
| 03/10/1987 | CA1218846A1 Method of minimizing slag carryover |
| 03/04/1987 | EP0213116A2 Smelt furnace |
| 02/17/1987 | US4642905 Heat exchanger |
| 02/17/1987 | CA1217938A1 Hot gas exchanger for thermal treatment of powdery substances |
| 02/10/1987 | US4642048 Apparatus for continuously preheating and charging raw materials for electric furnace |
| 02/04/1987 | EP0210658A1 Apparatus for screening oversized hot sponge iron produced in a rotary kiln in the gaseous reduction of iron ore |
| 01/28/1987 | EP0209961A1 Method and apparatus for producing clinker |
| 01/27/1987 | US4639217 Countercurrent heat transfer device for solid particle streams |
| 01/27/1987 | US4639216 Grain roasting machine and method |
| 01/24/1987 | CN85101687A Equipments and method for continuous calcination of aluminium hydroxide |
| 01/24/1987 | CN85101628A 热交换器 Heat exchanger |
| 01/21/1987 | CN86105665A Forced circulation furnace |
| 01/08/1987 | DE3523723A1 Refractory lining for protecting the hottest sintering zone of a cement rotary kiln of steel, or the like |
| 01/08/1987 | DE3522883A1 Process and plant for the heat treatment of fine granular material |
| 01/07/1987 | EP0207747A2 Process and apparatus for manufacturing low sulfur cement clinker |
| 01/07/1987 | CN86103195A Method and apparatus for producing clinker |
| 01/06/1987 | US4633595 Rotary drying drum |
| 12/30/1986 | EP0205651A1 Process and device to remove deposits and linings from reposing drums, in particular those in rotative drum furnaces |
| 12/24/1986 | CN86104297A Method and cooler for cooling granular material |
| 12/23/1986 | CA1215730A1 Rotary kiln assemblies, method of changing seal arrangements and seal arrangements for use in a rotary kiln assembly |
| 12/17/1986 | CN86103363A Method and equipment for cooling white cements clinker |