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Patent Searching and Data


Matches 501 - 550 out of 5,320

Document Document Title
WO/1998/039611A1
The invention relates to a rolling body for cleaning interior wall areas of a rotary drum. Said rolling body (20) has single or multiple sections (21, 22) and has at least two cleaning zones comprising the shell surfaces (21A, 21B, 21C, ...  
WO/1998/030818A1
The present invention relates to a sealing arrangement between a rotary drum and the stationary end thereof arranged in a material flow in relation to each other. In particular, the invention relates to a sealing between a rotary drum ki...  
WO/1998/013657A1
A plant for heat treatment of particulate material, comprises a rotary kiln (1) for burning the particulate material, a material cooler (3) for cooling the material, the cooler (3) being connected to the material discharge end of the kil...  
WO/1997/048652A1
The invention relates to a method of regulating the flue gas temperature in a cement production plant comprising a kiln (1), a flue gas conditioning device (2), a mill (3) and an electrostatic precipitator (4), whereby the flue gas from ...  
WO/1997/046843A1
A rotary reactor (11) is shown having an improved internal lining including a lifter section which extends along an interior surface of the reactor chamber for lifting material from a lower portion (23) of the chamber to an upper portion...  
WO/1997/038948A1
Process for the heat treatment of a pulverulent material wherein is provided an area having a length L inside the kiln and wherein prevail predetermined temperature and thermal tension conditions by supplying a gas flow at the discharge ...  
WO/1997/039155A1
A process and an apparatus are disclosed for improved recovery of metal from dross, wherein a dross treating furnace is provided with a refractory wall or lining with good capacity to store and conduct heat. This furnace is preheated to ...  
WO/1997/037754A1
The use of urea injection SNCR is enabled for rotary kilns of the type used to produce cement clinker. Rotary kilns (10) are long cylinders that rotate about an inclined axis, with cement premix fed in at one end (14) and a burner (18) f...  
WO1997026495A3  
WO/1997/032824A1
The present invention relates to a plant for manufacturing cement clinker. The plant consists of a preheater, a calciner in which the raw material is calcined at a temperature of more than 800 �C and where fuel and oxygen-containing ga...  
WO/1997/030003A1
The invention relates to a method for reducing the NOx emission from a kiln plant for heat treatment of raw materials, in which kiln plant fuel can be fired in at least three different zones. In one of these at least three zones an amoun...  
WO/1997/030320A1
In order to preheat iron-base scrap comprising iron pieces of wide ranges of size and shapes at a high efficiency so that these pieces are not fused to one another, a rotary kiln type preheating furnace and a shaft furnace type preheatin...  
WO/1997/026495A2
The invention concerns a delivery device comprising a housing (1) into which opens the delivery pipe (2) of a low temperature carbonization drum (3). A residue-delivery shaft (7) emerges from the housing (1) and opens into a conveyor dev...  
WO/1997/026077A1
An apparatus (10) for calcining a material comprises a calcination vessel (10) which houses a heat exchanger (12). The heat exchanger (12) is arranged to transfer heat to the material from a liquid metal heat exchange fluid arranged to f...  
WO/1997/026375A1
Apparatus (10) for preheating self-reducing pellets for direct use in ironmaking or steelmaking in which a preheat chamber (14) contains the pellets and is primarily externally heated using waste exhaust gases and secondarily heated dire...  
WO/1997/020182A1
A method is described for the conveying of dry, pulverulent material, such as cement raw meal or the like. Particularly, is described a method for feeding material in dosed amounts to a processing plant where the material is supplied to ...  
WO/1997/016390A1
The invention is related to a method and an apparatus for producing cement clinker, in which the cement clinker is first of all burnt in a burning zone and then cooled in a cooling zone, wherein the cooling takes place at least partially...  
WO/1997/014010A1
A rotary furnace including a tilted or horizontal drum of which at least the inner surface is made of a refractory material, and which is rotatably mounted about its longitudinal axis. The drum includes a tubular member (1) made of a ref...  
WO/1997/013594A1
Apparatus for the treatment of volatile material(s) in contaminated material(s) including a retort assembly (10) which includes a rotatable retort (11) disposed at least partially within a combustion chamber (12) with heating means (13) ...  
WO/1996/037446A1
A burned lump cooling apparatus (3) comprises a plurality of grates (5) arranged such that the adjacent grates partly overlap one another so as to convey high temperature cement clinker (11) from a kiln (1). The grates (5) are formed wit...  
WO/1996/036563A1
Method and apparatus are disclosed for making high-grade alumina from low-grade aluminum oxide fines produced as a by-product during calcination of hydrated alumina into metallurgical grade alumina or specialty aluminas. In one embodimen...  
WO/1996/035092A1
A rotary calciner (1) including an elongated shell having a first diameter extending from the discharge end (11) back to a transition zone (5) and a second larger diameter extending from the transition zone (5) back toward the feed end, ...  
WO/1996/032608A1
A method and apparatus for feeding a bulk material supplemental fuel (108) through a port (88) formed in a side wall of a rotary vessel (16) of a cement kiln (10). The apparatus includes a stationary annular plenum (56) surrounding rotar...  
WO/1996/030709A1
An apparatus for highly efficiently preheating and melting scrap, which comprises a scrap melting furnace having arc heating means or a top-blowing lance, and a device for introducing an exhaust gas generated from the scrap melting furna...  
WO/1996/028397A1
A process and apparatus by which crushed and screened blast furnace slag (80) can be added to the feedstock materials (76) fed into the feed-end of a rotary cement kiln to form cement clinkers (82). The blast furnace slag is crushed and ...  
WO/1996/022950A1
The invention concerns a method of utilizing dusts which are produced during the reduction of iron ore with a reduction gas and are deposited in the form of slurries in a scrubber. According to the method the slurries are then dewatered ...  
WO/1996/014548A1
A premix burner assembly (14) for heating the combustion chamber (12) of a dryer (10) for an HMA plant, soil remediation plant, or the like is designed to meet the very low emission limitations that are imposed in certain areas such as t...  
WO/1996/006143A1
A water-based adhesive comprising water-soluble polymers having carboxy groups and quaternary ammonium groups wherein the polymers can be derived by copolymerizing one or more unsaturated aliphatic carboxylic acid monomers, such as acryl...  
WO1995032400A3  
WO/1996/000703A1
A description is given of a plant for heat treatment of lumpy material, such as limestone, other carbonate materials, cement raw materials, or the like. The plant comprises a preheating zone (1), a burning zone (3), and connecting means ...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  

Matches 501 - 550 out of 5,320