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7624691 |
Air nozzle with fastening means and method for fastening of said nozzle
An air nozzle has an attachment arrangement for solid fuel burners with fluidized beds. The air nozzle has a body having an inlet and an outlet defined therein. A pipe end is inserted into the...
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7607240 |
Method of drying roving products
A system and method of drying wet items including roving packages, cakes and bobbins of wound wet glass fibers and/or wet glass fiber strand(s) by first preheating the wet items using waste hot...
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7553155 |
Apparatus and method for the production of cement clinker
Apparatus and method for the production of cement clinker, wherein raw meal is preheated in a heat exchanger and is burnt in a kiln to form cement clinker and the exhaust gases from the kiln flow...
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7549859 |
Installation and process for calcining a mineral load containing a carbonate in order to produce a hydraulic binder
The invention relates to an installation comprising a combustion chamber ( 15 ) provided with means ( 53 ) which are used to introduce the mineral load and are connected to a pre-heater ( 27 ),...
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7543553 |
Circulating fluidized bed boiler
A circulating fluidized bed boiler has reduced corrosion in the exchanging tube in an external heat exchanger. The circulating fluidized bed boiler has a furnace which combusts a fuel which is...
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7520249 |
Circulating fluidized bed reactor with a convertible combustion method
A circulating fluidized bed reactor is provided that includes a reaction chamber having a vertical partition wall forming two independent subchambers that include a combustion subchamber and a...
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7390357 |
Method and plant for manufacturing cement clinker
Described is a method for manufacturing cement clinker by which method cement raw meal is preheated and burned in a plant comprising a cyclone preheater ( 1 ) and a kiln ( 5 ). The method is...
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7384475 |
Method and plant for preheating particulate or pulverulent material
Described is a method as well as a plant for preheating particulate or pulverulent material such as cement raw meal or similar material in a cyclone preheater ( 1 ), comprising at least two cyclone...
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7361325 |
Methods for making XF•nH2O2 compounds
A substantially dried XF•nH 2 O 2 product is produced by method(s) wherein a feed solution comprised of (i) a XF composition wherein X is K, Na + or NH 4 + and n is an integer from 1 to 3,...
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7361014 |
Injection of waste-derived materials into pre-calcining stage of a clinker production system
A method for producing clinker in a system having a rotary kiln and a pre-calciner, waste material is introduced into the inlet end of the pre-calciner to serve as secondary fuel for pre-calcining...
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7350318 |
Continuous thermal treatment of bulk material
The invention relates to a device for continuous heat treatment of granulated materials, especially to the crystallization of polymer granulate, such as polyethyleneterephthalate (PET) for example....
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RE40208 |
Pneumatic flash calciner thermally insulated in feed storage silo
A self-contained calcination plant is enclosed in a feed-storage silo. The plant consists of a vertical reactor, a separation cyclone and a pair of heat exchangers connected by appropriate piping...
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7316564 |
Method and installation for regulating the quantity of circulating solids in a circulating fluidized bed reactor system
A method for regulating the quantity of circulating solids in a circulating fluidized bed reactor system, whereby a solid flow/gas flow mixture leaving the fluidized bed reactor is fed tangentially...
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7296994 |
Cement clinker production comprising partial removal of a flow of rotary kiln exhaust gas containing harmful substances
The aim of the invention is to create a bypass system for a cement clinker production line, which is characterized by particularly low investment costs and operating costs, thus being economically...
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7255556 |
Method and apparatus for conveying powder and heat
An apparatus and method for the horizontal conveying of a dry powder is provided, notably useful for conveying heat from a heat-producing operation to a heat-consuming operation. In this...
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7241139 |
Casting sand heating apparatus
This invention relates to a casting sand heating apparatus. The purpose of this invention is to provide a casting sand heating apparatus which can heat sand up to 300° C. or higher with high...
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7201573 |
Device for emptying of hot particle material from a chamber into a transport container
A device for emptying hot particle material from a chamber into a transport container. The container is provided with a first pipe that can be inserted into the particle material in the chamber,...
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7189074 |
Method and process for co-combustion in a waste to-energy facility
The co-combustion process may comprise the following unit operations: routing of hot gas ( 10 ) generated in the clinker cooling process to a rotary kiln ( 1 ); use of part of the rotary kiln...
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7168183 |
Tunnel-like apparatus for treating particulate material
An apparatus for treating particulate material has an elongated, tunnel-like process chamber, along which the material to be treated can be moved from an inlet to an outlet. A bottom of said...
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7052274 |
Method and plant for manufacturing cement clinker
A method and plant for manufacturing cement clinker are disclosed, in which cement raw meal is calcined in a calciner. The calciner comprises an upper zone and a lower zone, where fuel, combustion...
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7018485 |
Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus
An apparatus for subjecting a rare earth alloy block to a hydrogenation process includes a casing, gas inlet and outlet ports, a member arranged to produce a gaseous flow, and a windbreak plate....
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7001177 |
Method and apparatus for recovering energy from waste materials by combustion using a portion of tertiary air
A method and apparatus for using in rotary kilns having a calciner and a tertiary air duct, which uses the hot air from the tertiary air duct for burning waste material in a combustion chamber...
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6993857 |
Milling and drying apparatus incorporating a cyclone
A cyclone which includes an upper cylindrical portion opening into the wider end of a lower frustro-conical portion, with a primary air inlet such that the inlet air is substantially tangential to...
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6945775 |
Method and apparatus for heating a slurry to a predetermined temperature
The temperature of a metallurgical slurry in a heater vessel is accurately controlled by heating a first portion of the slurry in the heater vessel by contact with a heating medium such as steam,...
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6902714 |
Method for reducing the SO2 emission from a plant for manufacturing cement clinker and such plant
Provided is a method and plant for reducing SO 2 emissions in which a catalyst for catalyzing the formation of cement clinker is extracted from kiln exhaust gas and recycled.
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6902393 |
Plant for manufacturing cement clinker
Described is a plant for manufacturing cement clinker comprising a preheater ( 1 ) which comprises at least one last cyclone ( 1 d ) and at least one next-to-last cyclone ( 1 c ) which is connected...
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6875015 |
Cement producing system incorporating a waste derived fuel suspension burner for a down draft calciner
A cement producing system includes a rotary kiln, a riser duct having lower portion communicably connected to the rotary kiln to pass process materials thereto, and a down draft calciner having a...
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6805554 |
Plant and method for the production of cement clinker
The invention relates to the production of cement clinker from cement raw material, wherein preheated raw material is calcined in a calcination zone, then finally burnt to cement clinker in a...
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6782848 |
Method in connection with a pipe grate for fluidized bed boiler and a pipe grate
A method for adjusting a supply of gaseous medium to a fluidized bed boiler performing a combustion process and including a pipe grate comprising a plurality of pipes. An active area of the pipe...
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6773259 |
Continuous solid waste derived fuel feed system for calciner kilns
A system is disclosed for continuously feeding and burning solid waste derived fuel (SWDF) material in the calciner of a calciner kiln comprising a calciner combustion chamber, a kiln feed for...
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6764305 |
Device for supporting a conveyor belt used in the continuously operated sintering of a material bed
The invention relates to a device for supporting a conveyor belt used in the continuously operated thermal treatment, i.e. sintering, of a material bed. According to the invention, in the top part...
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6716748 |
Reaction chamber for processing a substrate wafer, and method for processing a substrate using the chamber
A reaction chamber for processing a substrate wafer is described. The reaction chamber has a wafer holder for receiving the substrate wafer, a convection plate, which is disposed above the wafer...
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6688883 |
Apparatus for oxygen enrichment of cement kiln system
The invention in its various embodiments includes an apparatus and a method for improving combustion in a cement kiln system. The apparatus in one embodiment includes a precalciner and an oxygen...
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6669894 |
Roaster with stabilized fluidized bed for roasting zinc concentrate
Disclosed is a fluidized bed roaster with stabilized fluidized bed for roasting zinc concentrate which can have a uniform internal temperature distribution to form a stabilized fluidized bed,...
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6666680 |
Multi-train installation for the production of cement clinker from raw meal
A dual-train or multi-train installation for the production of cement clinker from raw meal includes several cyclone suspension heat exchanger trains which provide substantially equal gas and meal...
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6652272 |
Device for sluicing a hot meal-form material
In order to create a device like a shuttle sluice for sluicing or distributing a hot meal-form material flow, in particular for cement plant construction, whose shuttle valve or shuttle valves is...
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6641392 |
Method for regulating a roasting furnace
The invention relates to a method of regulating a roasting furnace in fluidized bed roasting. Part of the roasting furnace grate is separated off into a separate grate section, known as the...
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6626662 |
System for manufacturing cement clinker
In order to provide a cement clinker production line with a calcinator connected to the rotary kiln and including a separate rotary drum-type reactor with the objective to safely burn even coarse...
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6551100 |
Device for thermally treating a material
The invention relates to an apparatus for treatment of material, especially for thermal and/or chemical treatment, having an ascending pipeline branch, a diversion chamber and at least one...
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6503460 |
Staged catalyst regeneration in a baffled fluidized bed
Staged combustion in a single regenerator of a FCC unit is disclosed. The regenerator has a spent catalyst distributor at the top of the catalyst bed, and an air grid at the lower end of the bed. A...
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6485296 |
Variable moisture biomass gasification heating system and method
A sloping fuel grate allows primary air to flow up into a thick biomass fuel bed in a gasifier producing combustible gases. Fuel feed screws keep the fuel bed at a nearly constant height in...
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6485295 |
Equipment for calcination
An equipment for calcination for precalcining of powdered materials before their burning in a sintering equipment is inserted between the last but one cyclone ( 72 ) of connected cyclone exchanger...
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6447288 |
Heat treating apparatus
Apparatus for heat treating a heat treatable material including a housing having an upper opening for receiving a heat treatable material at a first temperature, a lower opening, and a chamber...
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6383283 |
Control of cement clinker production by analysis of sulfur in the end product
Cement clinker is produced using high sulfur fuels by combusting high sulfur fuel within a kiln. The feed material is introduced at an inlet of preheater of the kiln and is sintered by the...
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6367165 |
Device for treating particulate product
A device for treating particulate product has a process chamber for receiving and treating the product. A bottom of the process chamber is constructed from substantially plane baffle plates...
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6299826 |
Flow field in the inlet plenum of a fluidized bed
A gas plenum assembly for a fluidised bed apparatus, including a structure defining one or more side and base walls about a plenum chamber and means defining an inlet for gas to the chamber,...
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6287110 |
System for the thermal treatment of meal-like raw materials
In order to create a calcinator preceding the rotary tubular kiln and equipped with secondary firings in which inert fuels that are difficult to ignite or, respectively, difficult to burn...
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6276306 |
Apparatus for recovering hydrocarbons from granular solids
An apparatus (10) for recovering hydrocarbons or other volatile material from granular solids includes an infeed conveyor (20) that moves the mud, containing a mixture of particulate solids and...
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6264465 |
Combustion device
A combustion apparatus for use as a boiler wherein RDF is burned as the fuel, or as an incinerator for burning municipal waste. The apparatus is diminished in the quantities of NOx produced,...
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6263837 |
Grate construction of a fluidized bed boiler
A grate construction for a fluidized bed boiler, the boiler including a furnace defined by substantially vertical walls in which a fluidized bed of solid particles is maintained, a windbox under...
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