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6688474 Process for removing relatively coarse-grained solids from a stationary fluidized bed  
According to the invention, a fluidizing gas is introduced upwards into the fluidized bed (3) through a valve grid (2), said stationary fluidized bed (3) containing solids with different grain...
6467631 Air sifting apparatus  
An air sifting apparatus is provided for preparatory concentration of raw material including coal, and includes a material feed-in device, a material bed support device, an air jig plenum, and a...
6425485 Air-assisted density separator device and method  
A process is described for separating particles based on differences in mass after the selective attachment of air bubbles to reduce the density of one or more of the components of the feed. A...
6422392 Ammonia removal from fly ash in an acoustically enhanced fluidized bed  
A process for removing ammonia from fly ash during processing on an inclined fluidized bed. The process begins by introducing a mixture of particulates having ammonia adsorbed therein into an...
6216367 Classifying and air-stratifying gold separator with inclined sequential chute cone array and size-classifying screen  
A sluice comprising a series of sequential, interconnected chutes, each inverting a stratified slurry, discharges the slurry in each chute over a mesh screen in a subsequent chute and eventually...
5996808 Fly ash processing using inclined fluidized bed and sound wave agitation  
A process and device for separating different types of particulates from a mixture, which is especially suited for separating unburned carbon from raw fly ash. The process entails separating raw...
5975309 Fluidized-bed classifier  
A fluidized-bed classifier has a vessel defining a space divided into an upper fluidized-bed chamber and a lower gas chamber by a perforated dispersion plate having the shape of a funnel. Rising...
5669509 Dry separation of fine powder from coarse contaminant in a vibrating fluid bed  
A method for separating coarse particles from TiO2 powder in a fine powder composition by the steps of: providing a system in which a source of the fine powder composition communicates with a...
5526938 Vertical arrangement fluidized/non-fluidized bed classifier cooler  
A system for classifying and cooling particulate material produced by a fluid bed boiler comprises a vertical housing having an inlet for incoming particulate material and a first outlet for...
5392922 High capacity dry separation apparatus with air-heavy medium fluidized bed  
A high capacity dry separation apparatus with air-heavy medium fluidized bed having a separation chamber (3) with a fluidized bed above an air distributor (4), a scraper conveyer (2) in the...
5388704 Relating to conveying and separation apparatus  
An air distribution plate for incorporation into a material conveyor or a material separator has a plurality of apertured zones alternately arranged along the length of the plate. The apertures in...
5299694 Apparatus and process for separating a material in fluidized bed form and the detection of clogging  
Apparatus and method for handling pulverulant material in fluidized bed form. The material is fed into the upper part of a two-part container, whose lower part consists of two independent volumes...
5197398 Separation of pyrite from coal in a fluidized bed  
Processes and arrangements that provide for the separation of pyrite from coal in a fluidized bed. The processes provide for more efficient and complete stratification of the bed materials in a...
5087351 Fluidized bed peanut sorter  
A modified fluidized bed separates materials differing in weight by as little as one percent. A fluidized bed is formed by directing air through vanes on an underside of a screen. Products, such...
5071541 Method and apparatus for sorting a mixture of particles  
A method and apparatus for sorting a mixture of particles containing a first group of particles of substantially uniform size and density and a second group of particles of substantially the same...
5048693 Method and apparatus for sorting articles with small density differences utilizing a flotation stream  
A method and apparatus for sorting articles with small density differences utilizing a flotation stream. A separator is provided in which a flotation stream continuously flows through a trough and...
4946044 Aeration separator  
An aeration separator for separating lighter and heavier materials in a separation chamber in which the material flows through a downwardly sloping passage in the lower region of the separation...
4913807 Particle separator  
Method and apparatus (10) are provided for separating and classifying particles (48,50,56) by dispersing the particles within a fluid (52) that is upwardly flowing within a cone-shaped pipe (12)...
4865722 Method and apparatus for separation using fluidized bed  
A separator suitable for processing agriculture products in a fluidized bed flowing through an inclined trough under the influence of gravity. The fluidization medium is recirculated from the...
4861464 Method and apparatus for separation using fluidized bed  
A gas is forced upwardly through a fluidization medium, such as sand, producing a fluidized bed which flows under the influence of gravity through an inclined trough. The separation of the side...
4790487 Continuos granulator  
A continuous granulator includes a granulator body for continuously processing powdered materials into granules, and a screw conveyor for discharging the produced granules from the granulator...
4755284 Elutriator  
An elutriator (1) for separating different grades of leaf vegetable material comprises an elutriation zone (17) disposed above a flow distributor, and gaseous supply means (13) for supplying a...
4646759 Vibrating trough tobacco separator and classifier  
A method and apparatus are disclosed for the separation and classification of tobacco into two fractions, e.g., into heavies and lights. A stream of fluid is employed to produce a stratified bed...
4589981 Fluidized bed classifier  
Fluidized bed systems for segregating cleaning or classifying particulate matter of differing physical properties such as particle density or size. Multiple stage beds preferably operate in a...
4565326 Method and apparatus for removing veneer from reworked medicine tablets  
The invention is a method and apparatus for removing veneer coating shards from granular, medicinal formulations which are being reworked. The formulation is ground up, sifted to remove the...
4546552 Fluid induced transverse flow magnetically stabilized fluidized bed  
Solids comprising a magnetically stabilized fluidized bed are transported in a direction transverse to the flow of the fluidizing fluid exiting the bed by contacting at least a portion of said...
4521303 Solids separation in a self-circulating magnetically stabilized fluidized bed  
A mixture comprising non-magnetic solids is separated according to the density difference of its components by contact with a separating medium comprised of a fluidized bed of magnetizable...
4431530 Apparatus for extracting foreign bodies and heavy parts from fiber material  
An apparatus for separating a desired, relatively light fibrous fraction from admixture with foreign bodies, such as sheaths, metal parts, plastic parts and the like and having parts, such as...
4330400 Apparatus for separating dust, dirt and the like from particulate material  
An apparatus for separating dust, dirt and the like from particulate material utilizes a flow of carrier fluid which passes through the particulate material on a grid or screen. The heavier...
4326635 Apparatus for refining ore  
This disclosure relates to a refining apparatus which incorporates an updraft passing through a surface, which surface has permeable and impermeable regions, in combination with a vibrator, to...
4322287 Fluidized bed separator  
A fluidized bed apparatus for separating and sorting solid bodies of different densities. It comprises: a container for the fluidized bed; means for maintaining the bed in a state of fluidization...
4274947 Electrostatic method and apparatus for sorting fluidized particulate material  
A multi-constituent mixture of particles is fluidized within an elongated container with a gas permeable base. Opposing horizontal motions are induced in the upper and lower strata of the...
4229289 Fluidized bed apparatus and process  
An apparatus and process for conduct of fluidized bed reactions having an improved grate wherein at least one substantially continuous open slot sufficiently wide for passage of heavy solid...
4215151 Process for roasting an agro-food product in a fluidized bed of inert particles  
The invention concerns a process and a device for roasting an agro-food product in the form of grains.The process consists of fluidizing an auxiliary body in the form of fine solid particles in an...
4155313 Utilization of solid material containing combustible matter  
Solid particles comprising combustible matter (e.g. coal) associated with or contaminated by inert matter (e.g. ash, rock) is segregated in a segregation zone into low density/small size and high...
4152245 Separation of rock solids from heat carriers in an oil shale retorting process  
In an oil shale retorting process, hot heat-carrying solids are cycled to a retort zone to mix with and retort crushed oil shale, thereby producing gas, oil products, and a mixture of heat-carrier...
4138219 Apparatus for the regeneration of solid catalyst  
Apparatus for the regeneration of fluidized solid catalyst including a regeneration chamber adapted to hold a fluidized solids bed, oxygen containing gas source communicating with the chamber, a...
4127476 Air-classification apparatus and process for the segregation of mixed office-paper waste  
A process and system for the segregation and separation of mixed office-paper-waste material which comprises: shredding the waste material to a uniform size; forming a fluidized bed of the...
4116823 Vessel for stripping oil from fluidized ash and char particles  
A vessel is provided for stripping oil from char particles of different density recovered from a pyrolysis of organic solid waste. The lower end of the vessel is of reduced diameter with a...
4115256 Apparatus and method for particle separation and grading  
Apparatus and method for separating fly ash into its major constituents; namely, metal, carbon black, cenospheres and dust. The metal is separated by passing the fly ash through a magnetic field...
4089422 Air classifier  
An air classifier for separating a heterogeneous mixture of particles into heavier and lighter fractions includes an air passageway through which a horizontal primary air stream is flowing, a pair...
4055486 Method and apparatus for handling solid fluidized particles  
A source of fluid and entrained particles including fines is connected to the entrance of a cyclone particle separator lying above a particle storage vessel that has an outlet near its bottom. The...
3994824 Dynamic air flow system for removing particulate bed material from a fluidized particulate bed reactor  
A waste disposal system for radioactively contaminated salt solutions that includes a reaction chamber for interacting the contaminated salt solutions with a fluidized particulate bed to...
3984306 Pinched sluice separators  
Granular materials are separated on a dry pinched sluice separator having at its discharge end a conical concave surface. The material to be separated is allowed to flow downwardly over the...
3920542 Removal of green bolls and heavy materials from seed cotton by air jets  
Method and apparatus for the classification of materials on the basis of different density and/or aerodynamic transportation properties is disclosed. Material to be separated is introduced onto a...
3910849 Method for manufacture of activated carbon and apparatus therefor  
At least two horizontal perforated plates are vertically spaced. A powdered or granular carbonaceous substance is fed onto the lowermost of the perforated plates and, at the same time, a hot...
3896026 Methods and apparatus for forming a dense phase catalyst transfer system  
Two methods and at least one apparatus for performing the methods of forming a dense phase catalyst transfer system in a fluid catalytic cracking unit are disclosed. The apparatus comprises a...
3866332 FLUIDIZED BED DRYER  
A dryer having a bed of inert thermally stable particles, means to introduce material to be dried in the bed and a heated gas from beneath the bed to "fluidize" the bed, and a screen located above...
3840345 SELF AGGLOMERATING FLUIDIZED BED REACTING APPARATUS  
An apparatus for reacting finely divided material in a fluidized bed supported by a circular grate in relative circular motion with regard to a cell enclosing an auxiliary bed which has a bottom...
3831747 FLUIDIZED BED PROCESSING OF CARBON BLACK  
An improved manufacturing technique for simultaneously cooling and separating "fines" and/or contaminants from granular materials or powders such as carbon black is disclosed. The process includes...
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