Patents
Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396)
06/1990
06/27/1990CN1008540B Direct reducing kiln
06/20/1990EP0373673A2 Apparatus and process for removing volatile coatings from scrap metal
06/19/1990US4934928 Rotating-drum heat treatment apparatus
06/05/1990US4930965 Apparatus for charging solid fuel to rotary kilns
05/1990
05/31/1990WO1990005782A1 Method for energy recovery from solid hazardous waste
05/29/1990US4929178 Method for the heat treatment of finely granular material
05/16/1990EP0367956A1 Lifter for cooling drums, rotary drum furnaces or similar devices
05/09/1990CN1007924B Heat exchanger
04/1990
04/03/1990US4913742 Process of making cement clinker and apparatus for performing said process
03/1990
03/22/1990WO1990002915A1 Process and arrangement for reducing salt cycles, in particular in cement kilns
03/20/1990US4910684 Method of controlling a rotary kiln during start-up
03/15/1990DE3829703A1 Method for inducing and supporting the longitudinal movement of rotary tubes
03/14/1990EP0357939A2 Rotating drum
03/14/1990CN1007177B Forced circulation furnace
03/07/1990CN2054161U Swivel coupling for calcining furnace
02/1990
02/20/1990US4901448 Suspension preheater
02/15/1990DE3826894A1 Rotary furnace with sectional combustion air supply
01/1990
01/24/1990CN1039103A Apparatus for breaking small range of scale and masonry in rotary kiln
01/04/1990DE3822475A1 Heating system for high-temperature rotary tubular kilns
01/03/1990EP0348769A2 Device for pressing the sealing material obturating the split between relative mouving parts, for example a rotative drum installation
01/02/1990US4891007 Method and apparatus for the manufacture of cement from raw cement meal
01/02/1990US4890563 Treatment of waste and rotary kiln therefor
12/1989
12/12/1989CA1263879A1 Circumferential sealing assembly
11/1989
11/30/1989DE3817357A1 Process and apparatus for the heat treatment of fine-grained material
11/23/1989EP0342417A1 Process and device for removing settlings on the insides of rotary drums in lying position
11/23/1989EP0342340A2 Gas suspension heat exchanger
11/14/1989US4880379 Method for transforming a rotary kiln intended in particular for the manufacture of cement, kiln obtained by this method and burning line equipped with this kiln
11/08/1989EP0340462A1 Rotating-drum furnace for drying or mixing freely flowing materials
11/08/1989EP0340438A1 Device for breaking small parts of the settlings and the linings in rotary drum furnaces
11/07/1989US4878949 Method for the production of cement clinker from semi-wet raw material
10/1989
10/24/1989US4875691 Radial seal
10/19/1989DE3811425A1 Apparatus for charging furnaces
10/18/1989EP0187861B1 Apparatus for preheating and charging raw materials for electric furnace
10/11/1989CN1005426B Rotatable drum assembly
09/1989
09/20/1989EP0332709A1 Externally heated rotary kiln
08/1989
08/31/1989DE3805204A1 Arrangement for the attachment of a bearing race to the outer surface of a rotary tube
08/29/1989US4861265 Apparatus and method for the heat treatment of fine-grained material
08/16/1989EP0327717A2 Process and installation for the heat treatment of fines
08/16/1989EP0327650A1 Apparatus to clear the flame area in a rotary drum furnace using direct heating, and arrangement and construction of the shovels
07/1989
07/27/1989DE3905345A1 Device for frictionally driving an object, in particular a drum
07/26/1989EP0325189A1 Rotative drum with a bearing
07/25/1989US4850290 Method for energy recovery from solid hazardous waste
07/18/1989US4848993 Cyclone
07/11/1989US4846677 Castable buttress for rotary kiln heat exchanger and method of fabricating
07/05/1989CN2040624U Soda steam calciner
07/04/1989CA1256693A1 Electric signal transfer system
06/1989
06/20/1989US4840561 Apparatus for the heat treatment of fine-grained material
06/20/1989CA1336478B Recovery of Non-Ferrous Metals from Dross
06/06/1989US4836775 Air cooled rotary kiln collar
06/06/1989US4836560 Seal
05/1989
05/31/1989EP0318460A2 Process and apparatus for preheating raw material
05/31/1989EP0174991B1 Circumferential sealing assembly
05/30/1989CA1254739A1 Dust preheating system with incipient calciner
05/23/1989CA1254384A1 Process and apparatus for thermally treating fine- grained solids, particularly for burning ground raw material for making cement
05/23/1989CA1254381A1 Drying and heat treatment process and apparatus for a granular material
05/03/1989EP0313871A2 Process and device for the thermal treatment of fines
05/03/1989DE3736086A1 Double-walled rotary drum for burning, sintering, calcining and cooling
05/03/1989DE3736084A1 Rotary drum for heating or cooling bulk materials
05/03/1989DE3735825A1 Apparatus for calcining pulverulent materials
04/1989
04/27/1989DE3804155C1 Method for operating heating stations for charge materials of metallurgical melting furnaces
04/13/1989DE3731950A1 Annealing furnace with horizontal-axis rotary hearth
04/05/1989EP0310509A1 Transformation process for a rotary drum furnace, particularly for use in the production of cement
03/1989
03/28/1989US4817008 Method of regulating a cement manufacturing installation
03/28/1989US4815970 Apparatus for the heat treatment of fine-grained material
03/23/1989DE3828895A1 Melting apparatus
03/21/1989US4813689 Dual face seal with radially projecting annular disc
03/16/1989DE3729481A1 Process and apparatus for heat-treating fine-grained material
03/14/1989US4811961 Seal for rotating cylinders such as kilns and the like
03/09/1989WO1989002057A1 Externally heated rotary kiln
02/1989
02/28/1989US4808108 Method and apparatus for the heat treatment of fine-grained material
02/14/1989US4804195 High temperature sealing device
01/1989
01/26/1989DE3824083A1 Device for protecting the opening of a rotary tube furnace
12/1988
12/28/1988EP0296824A1 Rotary kiln
12/22/1988DE3718571A1 Apparatus for lubricating movable bearings
12/21/1988CN87214792U Sectional revolving type rare earths continuous furnace
12/20/1988CA1246867A1 Arrangement for improvement of heat economy in rotary kilns, in particular kilns for reburning lime mud
11/1988
11/17/1988EP0290488A1 Treatment of waste and a rotary kiln therefor.
11/15/1988CA1244653A1 Process of producing sponge iron
11/15/1988CA1244650A1 Heat exchanger
11/15/1988CA1244649A1 Heat exchanger
11/08/1988CA1244488A1 Process and apparatus for manufacturing low sulfur cement clinker
11/01/1988US4781580 Indirectly heated rotary tubular kiln
10/1988
10/27/1988DE3711887A1 Drum for treating bulk material
10/26/1988CN88101590A 旋流器 Cyclone
10/19/1988CN88101763A Method and apparatus for the production of cement clinker from cement raw slurry
10/13/1988DE3711145A1 Process and system for producing cement clinker from raw cement slurry
10/11/1988US4776788 Rotary kiln
10/05/1988CN88100725A Method and apparatus for production of cement clinker by semi-wet process
10/04/1988US4775315 Process and apparatus for removal of deposits and linings from horizontal cylinders
09/1988
09/29/1988DE3744602A1 Device for sealing rotary tubular kilns (furnaces) with respect to fixed housings
09/28/1988EP0284184A1 Cyclone
09/22/1988DE3708224A1 Rotary drum for heat exchange between solid material and gas
09/21/1988CN87215515U Discharging and dusting device for calcining kiln (furnace)
09/14/1988CN87213507U Triple composite buffering multi flexable transmission device
09/01/1988DE3705892A1 Process and system for the further processing of bypass dust in cement production
08/1988
08/31/1988EP0280005A2 Heat treatment device of fines
08/31/1988CN87100767A Arrangement for preheating and calcination of powder raw material
08/30/1988US4767462 Inclined oxygen-free chamber for spraying water; air drying
08/30/1988US4767323 Lime kiln and method of retarding formation of slag ring therein
08/24/1988EP0279169A2 Heat treatment device for fines
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