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WO/1995/034791A1 |
The process implemented in a rotary kiln (1) provided with an oxyburner (5) comprises the steps of adding to the metal charge in the kiln a solid fuel charge in proportions higher than 1.5 % and injecting, in the direction of the combine...
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WO/1995/034792A1 |
A description is given of a rotary drum (1), as for example a rotary kiln, which is suspended within a live-ring (3) by means of axially extending brackets (7) which are retained by the live-ring (3) and bearing, at their free ends, agai...
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WO/1995/033172A1 |
In the proposed roasted charge cooler (5), instability caused by unusually heavy accumulation of material can be prevented by injecting (14) water into the cooler outgoing air (13) which is fed into the furnace (1) as the secondary air s...
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WO/1995/032400A2 |
A process and control system for controlling a rotary calcining kiln (10) having a feed material inlet (12) material to be calcined, a calcined product outlet (13) and a high temperature zone in which said material is calcined, the high ...
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WO/1995/030522A1 |
A rotary drum dryer (12) has devices for cooling shielding flights (44) located in the combustion zone of the drum. The devices comprise cooling flights (46) which rotate with the drum to scoop up relatively small amounts of virgin aggre...
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WO/1995/029138A1 |
The invention relates to a method for controlling the temperature in a kiln in which cement clinker is manufactured, with a burning zone temperature within the range 1100-1500 �C. This invention makes it possible to control the tempera...
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WO/1995/029137A1 |
A process and apparatus carries out the direct removal of slag (7) floating on the molten metal (6) within a metallurgical furnace via vacuum suction-tube (8) which is inserted from above through a furnace discharge opening (5). The tube...
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WO/1995/027872A1 |
Described is a method of reducing the emissions produced by the incineration of waste in an incinerator in which part of the exhaust gases produced is recycled to the input to the incinerator, pure oxygen being added to the recycled gase...
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WO/1995/025699A1 |
A method and plant for heat treatment of lime sludge (CaCO3) formed by the causticizing process during the manufacture of paper pulp. The lime sludge is dried and pulverized in a first process stage and preheated in a second process stag...
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WO/1995/023948A1 |
A furnace comprises a furnace shell rotatable about a rotational axis. The furnace shell provides a furnace chamber for holding a solid particulate reagent as the furnace shell rotates. At least two electrodes are exposed to the chamber ...
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WO/1995/023239A1 |
A process and apparatus are disclosed for recovering a non-ferrous metal, preferably aluminum and aluminum alloys, in molten coherent form from a charge of material to be processed containing the metal. The charge is introduced into a se...
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WO/1995/020137A1 |
A wet process cement kiln (10) for reducing the level of fine particulate waste, comprising at least one series of peripheral containers (11, 12) arranged around the outside of the kiln wall for alternately receiving and discharging the ...
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WO/1995/014202A1 |
The invention relates to a wear lining for a rotary furnace of an incineration installation for, for example, chemical waste, wherein the wear lining comprises tapered bricks (1, 2, 3) which are installed in the furnace in the form of a ...
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WO/1995/010745A1 |
In an inlet for feeding raw materials into a rotary drum, especially a rotary furnace for the production of cement clinker, there is a chute (10) leading to the inlet of the rotary drum (1) consisting of a metal jacket (11) and an inner ...
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WO/1995/008652A1 |
A method and apparatus of introducing one or more reagents into a rotary and/or elongate kiln in which titaniferous material is being treated e.g. upgraded wherein the reagent(s) is introduced (I) at a plurality of locations along the le...
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WO/1995/007753A1 |
The porous granular material according to the invention comprises carbon, silica, water-soluble mineral salts and water-insoluble mineral salts, does not disintegrate in the presence of water and has a particle size of approximately 1-5 ...
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WO/1995/006696A1 |
The inner compartment (13) of a low-temperature carbonisation drum (8) for waste (A) which can be rotated about its longitudinal axis (10) contains a plurality of heating pipes (12) one end of which is secured to a first end plate (28) a...
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WO/1995/006698A1 |
A heating chamber for solids which can rotate about its longitudinal axis (10), especially a low-temperature carbonisation drum (8) for waste (A), is fitted with a plurality of largely mutually parallel heating pipes (12) installed insid...
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WO/1995/006697A1 |
The inner compartment (13) of a low-temperature carbonisation drum (8) for waste (A) which can be rotated about its longitudinal axis (10) contains a plurality of heating pipes (12) one end of which is secured to a first end plate (28) a...
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WO/1995/005432A1 |
A thermal disposal plant has a pyrolysis reactor (8) with a first heating arrangement (20) for indirectly heating waste (A) and a second heating arrangement (22, 22a) for directly heating waste (A) within the pyrolysis reactor (8). The p...
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WO/1995/005430A1 |
Described is a conveyor (2) for rubbish (A), the conveyor having a rubbish-feed shaft (4) connected on one side of a pipe (8). Lying along the inside of the pipe (8) is a screw conveyor (14) driven by a motor (20). The other end of the p...
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WO/1995/004795A1 |
A low temperature carbonisation chamber (8) for waste (A) can rotate around its longitudinal axis (10) and contains a plurality of heating pipes (12) located in its inner space (13). These heating pipes (12) are secured at one end to a f...
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WO/1995/004793A1 |
A feed shaft (14) for waste (A) is laterally secured to a conveyor channel (10), in the longitudinal direction of which there is a worm (4). According to the invention, a cutting device is fitted between the worm (4) and the conveyor cha...
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WO/1995/004794A1 |
A heating chamber (8) can revolve around its longitudinal axis (10) and contains a number of parallel heating pipes (12). Solids (A) that are lifted during rotation may be loosened from the heating pipes (12) and cause damages when they ...
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WO/1995/003158A1 |
The invention relates to a bearing and/or drive system for a rotating drum (1), especially a peeling drum, in which the drive force is preferably transmitted by friction. The main object of the invention is to provide a bearing and/or dr...
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WO/1994/026405A1 |
A rotary kiln, particularly for producing uranium dioxide from uranium hexafluoride, has an inlet arrangement (1) and a heated rotatable barrel (14). Uranium hexafluoride and steam react together in the inlet arrangement (1) to form uran...
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WO/1994/024506A1 |
This apparatus is provided with a throat (38) which has at one end thereof a raw material inlet port (37) connected to a furnace body (2), and which extends in the diagonally upward direction, a heat exchanger (39) formed on the upper si...
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WO/1994/024484A1 |
Described is a method of reducing all emissions produced when waste is incinerated, the method calling for part of the fumes produced in the incinerator to be recycled, pure oxygen to be mixed with the fumes and the mixture to be burnt i...
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WO/1994/017919A2 |
A process is disclosed for extracting recoverable substances from a composite material containing at least one aluminium layer and one polyolefin layer. For that purpose, the composite material is introduced into a reaction chamber (1), ...
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WO/1994/012840A1 |
Each of the movable grate elements (2) in a grate cooler, which comprises both movable (2) and stationary grate elements (1, 3), is supplied with cooling air by means of a flexible connection (12). The flexible connection (12) comprises ...
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WO/1994/011690A1 |
A cooler (6) for cooling of particulate material which is subjected to heat treatment in the rotary kiln is mounted at the material outlet end (1) of a rotary kiln. The cooler is provided with annular chambers (7, 8, 9) disposed around e...
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WO/1994/007086A1 |
A burner configuration includes at least one precessing jet nozzle (20) and at leat one further burner nozzle (30) having mixing characteristics different from the precessing jet nozzle. Means (25) is preferably provided to control the p...
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WO/1994/005195A1 |
A self-contained, environmentally safe cleaning apparatus, including a supply of recycleable cleaning fluids and means for heating, filtering and pressurizing such fluids for removing, capturing and packaging for safe disposal oils, dyes...
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WO/1994/004472A1 |
Process for baking gypsum under superheated steam conditions consisting in stirring the charge in a rotary horizontal cylindrical oven and independently adjusting oven chamber pressure and temperature according to the temperature of the ...
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WO/1994/002792A2 |
The present invention is directed to a method and apparatus for controlling the kiln gas stream (90, 138) in a conventional long wet or dry process cement kiln (10). A portion of the kiln gas stream (90) can be withdrawn from the rotary ...
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WO/1993/017135A1 |
The invention relates to a method for recovering non-ferrous metal from a dross starting material containing this metal, optionally together with non-ferrous metal scrap, and/or a starting material comprised of such scrap. The method com...
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WO/1993/013375A1 |
A rotary kiln having a polygonal lining is disclosed for pyro-processing cement, lime, other minerals, as well as other materials. Specifically, utilizing a polygonal lining of brick or a refractory or ceramic material having between 3 a...
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WO/1993/011872A1 |
A motor-driven drive shaft (12) is coupled to a grinding mill (4) or other unbalanced rotatable member through a clutch (5) arranged to accommodate misalignment, the clutch being so controlled during start-up as to be initially engaged t...
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WO/1993/011084A1 |
A rotary kiln (10) is employed which is inclined downwardly from its charge end (12) to its discharge end (14) and has a maximum lenght to breadth ratio of 5:1. The interior space of the kiln (10) is heated by means of at least one burne...
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WO/1993/010884A1 |
The invention provides for a method for the reduction of the SO2 content in the flue gas from the kiln system of a clinker production plant, comprising a cyclone preheater (5) with a number of cyclone stages, a bottom and separation cycl...
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WO/1993/008936A1 |
A method for removing one or more contaminations from a bulk material, the bulk material being fed to a treating chamber (1), exposed herein to a temperature treatment and discharged. According to the invention the bulk material is expos...
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WO/1992/021924A1 |
Rotary bodies, for example rotary tubes with ring bearings, present the problem of linking the rings (3, 4), that may also act as driving elements, to the tubular body (2) in such a way that variations in diameter of the tubular body due...
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WO/1992/021923A1 |
In rotating installations such as rotary kilns with ring mounts, the rings (3, 4), which can also act as drives, must be joined to the rotating body (2) in such a way that the variation in diameter of the tubular body due to thermal expa...
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WO/1992/013245A1 |
An apparatus (28) is provided for charging combustible solids (30) through a port (35) in the wall (37) of a rotating kiln (10) into a heated zone of the kiln. The apparatus (28) includes a port closure (36) comprising inner and outer po...
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WO/1992/012101A1 |
A method is shown for producing a lightweight aggregate by treating fly ash and sewage sludge. The fly ash and sewage sludge are mixed together (30) and then agglomerated into pellets (12) with or without the use of a binder. The pellets...
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WO/1992/012391A1 |
A rotating tube heat treatment installation, for example a rotating tubular kiln for the thermal separation of MgSO�3?, or a slag cooler for the separation of salts and aluminium comprises, as the main replacable component, a rotating ...
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WO/1992/008939A1 |
The proposal is for an arrangement for securing a ball race to the jacket of a rotating tube with a plurality of ball race holders arranged on the jacket of the rotating tube and formed by opposed abutments secured on both sides of the b...
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WO/1992/008087A1 |
The invention concerns a slide-ring packing designed to be fitted on the inlet and outlet of a rotary drum to provide a gas-tight seal at the interfaces between the rotating drum and the stationary inlet and outlet housings. Described is...
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WO/1992/007223A1 |
A device in kilns comprises a rotatable kiln tube (1), one end (2) of which forms an inlet (2) for material to be heat-treated and the other end (3) of which forms an outlet (3) for the material. Means (8) are provided to obtain heat inf...
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WO/1992/005001A1 |
The invention relates to a process for the continuous reduction and soft-annealing of water-vaporised powdered iron passed through an indirectly heated treatment chamber with a heating, reduction and cooling region in the form of a loose...
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