Patents
Patents for F27B 7 - Rotary-drum furnaces, i.e. horizontal or slightly inclined (5,396)
01/1992
01/21/1992US5082534 Pyrolytic conversion system
01/21/1992US5082441 Apparatus for selectively breaking out deposits from and/or linings of rotary kilns
01/14/1992US5080581 Method and apparatus for drying waste materials
01/08/1992CN2092543U Material distributor for preheater of cement cylinder
01/08/1992CN1057634A Method and apparatus for manufacture of clinker of mineral raw materials
01/07/1992US5078594 Device for charging combustible solids to rotary kilns
01/07/1992CA1293855C Rotary kiln
01/02/1992EP0462972A1 Method for energy recovery from solid hazardous waste.
01/01/1992CN1015283B Apparatus for roasting fine grained material
12/1991
12/17/1991US5073107 Rotary drum furnace having burners which heat quartz sand bed
11/1991
11/20/1991CN1056348A Method and apparatus for drying waste materials
11/20/1991CN1014785B Method and apparatus for production of cement dinker by semi-wet process
11/14/1991DE4115269A1 Smelting oven for secondary metals esp. from PCB materials - uses primary and secondary burners and excess of air and/or oxygen to burn off impurities
11/06/1991EP0455301A2 Method and apparatus for the manufacture of clinker from mineral raw materials
11/05/1991WO1991017401A1 Rotary reactor and lifter assembly
11/05/1991CA2063387A1 Rotary reactor and lifter assembly
10/1991
10/31/1991WO1991016586A1 Method and apparatus for drying waste materials
10/22/1991US5059116 Apparatus and process for removing volatile coatings from scrap metal
10/22/1991US5058513 Energy recovery from containerized waste
10/17/1991WO1991015607A1 Rotary melting furnace
10/17/1991DE4011882A1 Zeolite granulate calcination in rotary calciner - with closed spiral screw, useful for high activity esp. in oxygen purificn., by pressure swing adsorption
10/16/1991EP0451648A2 Opposed fired rotary kiln
10/16/1991EP0451323A2 Method for preheating scrap iron by pyrolysis of resinous residues contained therein, with total recovery of their energy content and improvement of the steelmaking cycle
10/15/1991US5057009 Lightweight aggregate from flyash and sewage sludge
10/10/1991CA2023414A1 Method of and apparatus for preheating and removing organic materials from scrap iron
10/08/1991US5054747 Scrap recovery apparatus
10/01/1991CA1289913C Cyclone
09/1991
09/18/1991EP0446930A1 Pyrolytic conversion system
09/17/1991US5048333 Material level checking apparatus for use in a rotating member
09/15/1991CA2038146A1 Pyrolytic conversion system
09/05/1991WO1991013306A1 Reaction furnace
08/1991
08/28/1991EP0442892A1 Process and arrangement for reducing salt cycles, in particular in cement kilns.
08/21/1991EP0442040A2 Method and apparatus for direct reduction of metal oxides
08/20/1991US5040973 Rotary reactor and lifter assembly
08/14/1991CN2082844U 回转窑 Kiln
08/14/1991CA2030083A1 Method and apparatus for direct reduction of metal oxides
07/1991
07/23/1991US5033959 Kiln liner
07/18/1991DE4037379A1 Lining up rows of magnetisable workpieces - involves magnets to set down workpieces on discharge conveyor
06/1991
06/19/1991CN1012919B Multi-cylinder cooler capable of forming rain-column material curtain
06/18/1991CA1284878C Method and apparatus for producing dead burnt materials
06/12/1991EP0431419A1 Mechanical seal and device for sealing a rotating pipe against a fixed casing
06/11/1991US5022852 Rotary kiln
05/1991
05/29/1991CN2077975U Calcination combination unit of rotary kiln
05/28/1991US5018968 Revolving grate cooler for cooling of clinker or similar products
05/17/1991CA2027686A1 Replaceable longitudinal seal for a rotary combustor
05/16/1991WO1991006794A1 Segmented seal for rotary equipment
05/16/1991WO1991006615A1 Heat exchanger apparatus
05/14/1991US5015299 Concave-convex body sliding in a rotating cylinder for scraping walls to remove deposits
04/1991
04/17/1991EP0423039A1 Process and device for decontaminating solid materials
04/16/1991US5007823 Dust recycling to rotary kilns
04/16/1991CA1282956C Process and apparatus for removal of deposits and linings from horizontal cylinders
04/13/1991CA2027474A1 Solid products decontamination apparatus and process
04/10/1991EP0421411A2 Rotary drum furnace
04/03/1991EP0420663A2 Hot kiln alignment system
03/1991
03/19/1991US5000680 Rotary kiln
03/12/1991CA1281273C Constant pressure-variable orifice burner nozzle assembly
03/07/1991DE3929593A1 Conversion of cement clinker prodn. from wet to dry process - involves sepg. original clinker oven into a shorter oven and cooler, drier and cyclone heater with calcified are linked to the oven
03/06/1991EP0415539A1 Apparatus for heat treating contaminated particulate material
03/06/1991EP0415095A1 Process for the heat-treatment of fines
02/1991
02/28/1991DE3940466C1 Bearing for rotary kiln drum - has each rotary support roller fitted in its cradle without end axial play
02/26/1991US4995809 Thermal energy
02/14/1991DE3926756A1 Heat treatment of fine granular materials - with greater process efficiency achieved by redirecting part of mixed gas stream after cooling and dust removal back to mixing chamber
01/1991
01/31/1991CA2019983A1 Rotary waterwall combustor with improved tire attachment
01/29/1991US4988289 Reaction furnace
01/23/1991CN1011340B Method and apparatus for crushing deposit and masonry in cylindedr
01/22/1991CA1279188C Melting furnace having a rotary drum which can be inclined to slope to either end swivelled about a vertical axis
01/09/1991EP0406954A1 Kiln in particular for producing litharge by means of the calcination of massicot
01/09/1991EP0406481A1 Process and apparatus for the prevention or removal as appropriate of blockages in the outlet region of a cyclone heat-exchanger
01/08/1991US4983214 Rotary kiln; drying, preheating, and induration of greenball pellets
01/06/1991CA2020294A1 Kiln in particular for producing litharge by means of the calcination of massicot
01/04/1991WO1991000251A1 Feeding system for a lime reburning kiln
01/02/1991CA1278428C Air cooled rotary kiln collar
01/01/1991US4981510 Process and apparatus for the production of ferrochromium
12/1990
12/18/1990US4978294 External heating rotary furnace
12/12/1990EP0290488A4 Treatment of waste and a rotary kiln therefor
12/05/1990CN1010678B Method for fine granular materials heating treatment
12/04/1990US4975226 Process for making green briquettes for forming Si or SiC
12/04/1990US4975049 Refractory block for rotary kiln
12/04/1990US4974529 Method for energy recovery from containerized hazardous waste
11/1990
11/29/1990WO1990014569A1 High-temperature gas-burning furnace
11/27/1990US4973245 Method for cooling a kiln furnace
11/14/1990CN2065750U Jet vertical tube preheater kiln with secandary rotational flow preheater
11/13/1990US4969407 Containerized hazardous waste homogenate
11/06/1990US4968172 Wedged, overlapping hook tire joint
10/1990
10/24/1990EP0393593A2 Method of monitoring cement kiln and the apparatus therefor
10/09/1990US4961588 Radial seal
10/03/1990CN2063216U Ring turnover device for brick-kiln with rails
09/1990
09/18/1990US4957433 Drum baffle
09/11/1990US4955986 Method for the heat treatment of finely granular material
09/04/1990US4953480 Rotary waterwall combustor with improved tire attachment
08/1990
08/23/1990DE3905454A1 Process and plant for heat-treating fine-grained material
08/23/1990DE3905453A1 Process and plant for heat-treating fine-grained material
08/21/1990US4950155 Replaceable longitudinal seal for a rotary combustor
08/14/1990US4948365 High-temperature, gas-burning furnace
08/09/1990DE3844684A1 Rotary kiln
07/1990
07/31/1990CA2007225A1 Radial seal
07/17/1990US4941822 Apparatus for heat treating contaminated particulate material
07/17/1990US4941821 Method and apparatus for the heat treatment of fine-grained material
07/01/1990CA2005895A1 Wedged, overlapping hook tire joint
06/1990
06/27/1990CN1043377A Method for energy recovery from solid hazardous waste
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