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6685117 |
Method for milling raw materials
In a mill drying plant with a roller grinding mill and preferably in a cement production plant operated in compound with a clinker burning process and having a kiln fan and a fan downstream of a...
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6276620 |
Milling plant and method for milling raw materials
In a mill drying plant with a roller grinding mill and preferably in a cement production plant operated in compound with a clinker burning process and having a kiln fan and a fan downstream of a...
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6135371 |
Method and apparatus for reducing acid and air toxic emissions in the combustion of comminuted solid particles
A cylindrical chamber has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent thereof. This drive shaft is rotatably driven by a motor...
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6092747 |
Automatic pneumatic conveying machine
In the broader aspects of the invention, there is provided a new and improved pneumatic conveying machine comprising a vertically sided hopper, and a material agitator/conditioner within the...
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6076752 |
Method and apparatus for inert gas purging/temperature control for pulverizing/grinding system
In a grinding/pulverizing system the combustion of the material being processed is avoided by grinding or pulverizing the material at temperatures below the combustion temperature of the material,...
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6024307 |
Device and method for comminution
A device for comminuting raw materials like glass, rock, rubber buffings and the like, is disclosed. Raw material is propelled outwardly towards violent impact against a circular wall and then...
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5971302 |
Method and apparatus for drying and grinding moist material
Apparatus and method for drying and grinding moist raw cement or other material wherein the moist material is introduced to a grinding zone at which it is ground to produce relatively fine and...
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5967432 |
Mill
This invention provides a non-ball mill, which makes the material to circulate at high speed within the mill so as to crush the material by means of the impact and friction among the material...
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5839673 |
Apparatus for grinding material
Apparatus for grinding material which enters the grinder in a wet condition and is subject to drying heat at the grinder to leave moisture in the ground material directed for independently material...
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5695134 |
Material reducing hammer mill with internal air circulating fan
Material reducing rotary mill for receiving paper material, or the like, from a first chamber and forcibly delivering the reduced material into a second chamber for discharge at an outlet, a bypass...
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5695130 |
Method and apparatus for the dry grinding of solids
A method and apparatus for the dry grinding of solids, comprises initial coarse grinding of the solids in a controlled vortexing of a fluidized bed and directing the solid fine particles generally...
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5531388 |
Air-swept mill
An air-swept mill has an annular space with a blade ring between a rotary grinding pan and a casing wall for fluid delivery flow. The annular space and the blade ring form a gas directing or...
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5505390 |
Two stage hammer mill with particle separator
A two stage hammer mill which reduces recycled glass and its associated contaminants to small glass particles in the 100-800 grit size range and waste. The glass grinder is of light weight, modular...
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5505389 |
Closed circuit grinding system
A recirculating grinding plant with a crushing high-pressure roller press and sifter which has low energy consumption and which operates without a separate drive disagglomerator for...
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RE35118 |
Method and apparatus for fiberizing and cellulosic product thereof
A method and apparatus for fiberizing feed stock in the form of shreds or the like to form a low density cellulosic product. The shredded feed stock is fed to a material handling rotor that...
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5383612 |
Apparatus for segregating low BTU material for a multi-source of fuel materials
The apparatus for processing a composite supply of material having limestone, culm or gob and pond fines for grinding reduction with coal, has the ability to discard the low BTU value materials and...
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5363776 |
Exhauster inlet venturi
An inlet venturi for coal-side exhauster fan structure used to deliver pulverized coal to a combustion chamber. Generally, the inlet venturi has an axial length comparable to that of the exhauster...
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5251383 |
Apparatus for and a method of disposing of wet sludge
Apparatus for disposing of wet sludge by conversion to a substantially dry product during grinding of the wet sludge in a drying atmosphere which promotes the separation of the grindings into...
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5248101 |
Efficient centrifugal impact crusher with dust removal capability and method of using same
A centrifugal impact crusher has an enclosed table to ensure that substantially all the material deposited on the table is impacted against the anvils that surround the table. The table includes...
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5215262 |
Method and apparatus for comminuting bulk materials
A process and device for crushing bulk materials. The material to be crushed is fed from above to a first accelerating device which accelerates it into a first crusher, the fine particles in the...
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5195695 |
Apparatus for fine grinding
A method and apparatus for fine grinding materials normally difficult to grind at ambient temperature, e.g. plastic and elastomeric materials in a fluid classification type impact mill utilizing...
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5170949 |
Apparatus and method for processing scrap film
An economical apparatus and method for reprocessing scrap film. The apparatus includes a film-air separation chamber for separating air from incoming strips of scrap film, a cutter for cutting the...
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5048761 |
Pulverized coal flow monitor and control system and method
An apparatus and method for monitoring and controlling the flow of fluid transported solid particles is described. Also an integrated system is disclosed for monitoring and controlling pulverized...
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4932594 |
Pulverized coal flow control system
An apparatus for supplying a controlled flow of pneumatically transported solid particles, in particular, pulverized coal, comprises a pulverizer or vessel for containing pneumatically suspended...
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4863106 |
Process for low temperature comminution of scrap tires
A process and apparatus for the low temperature comminution of tires includes the separation of the tires into tire portions including tread portions, sidewall portions and bead portions. The tire...
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4798342 |
Fuel processing system for control of nitrous oxide emissions
The apparatus operates to supply the air requirements for grinding a fuel material to the mill to guarantee the correct particle size and to decouple from the air emitted from the grinding...
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4664317 |
Comminuter apparatus
A comminuter apparatus for comminuting documents and the like in a manner to prevent their legible reconstruction includes a feed hopper having a closable access opening and a discharge opening...
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4637556 |
High efficiency separator system
A high efficiency separator system (10) operative for processing material that includes grinding means (12), high efficiency separator means (14), dust collector measn (16) and fan means (18) all...
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4582264 |
Jet-type grinding systems for large particles
A jet-type grinding system for grinding relatively large particles, such as coal and the like, wherein the particles to be ground are entrained in a circulating gaseous vortex in which the...
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4546926 |
Pressure-chamber grinder
A pressure-chamber grinder comprises a grinder chamber of substantially circular section, which chamber is provided with a feed opening for the material to be ground, fed as a gas-tight plug, and...
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4541572 |
Pulverizing, drying and transporting system for injecting a pulverized fuel into a blast furnace
Disclosed is a pulverizing, drying and transporting system for a pulverized fuel of a blast furnace of the type having at least one hot stove for supplying hot blast air, said hot stove also...
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4498633 |
Apparatus for processing coal
Apparatus for processing coal to prevent the creation of extreme fines and to extract pyrites from the principal coal fractions in which there are two air circulating circuits having processing...
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4492343 |
Wood chip shaving machine
A shaver for wood chips, consisting of a rotor provided with a chip guide plate and circumferential blades placed on its outside, in connection of which there is an annular interspace for the...
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4487371 |
Comminution apparatus
A novel comminution apparatus and method for comminuting a granular feed into a product having a predetermined particle size. The comminution apparatus includes a high-speed cutter member operating...
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4479613 |
Pulverizing machines
A pulverizing machine in which alongside the pulverizer rotor 16 are a classifier zone 29 and a conveyor zone 41. The rotor 16 has pulverizer members 25 which project into an annular reducing zone...
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4469283 |
Coffee mill
A coffee mill comprises a coffee bean pulverizing cutter held in a mill casing, a space for catching skin slivers and fine fragments of coffee beans and a cutter receiving space communicated with...
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4245570 |
Sewage sludge disposal apparatus and method of disposal
A system for disposing of sewage sludge by treating the sludge in apparatus which processes the sludge through relatively inert gas drying and grinding stages and utilized as much of the dried and...
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4226371 |
Inert grinding and direct firing in coal burning systems
A system in which coal is ground and transported in an inert atmosphere to a place of burning which may be a rotary kiln or a furnace, and in which system the coal being ground is used as the...
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4213571 |
Dust system for a grinder-mixer
In a grinder-mixer apparatus there is provided an improved dust collection system which draws off air and suspended finely ground crop particle materials from the front side of the hammermill,...
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4061274 |
Material reducing apparatus and method of operating the same
Method of and apparatus for reducing material by grinding and for handling the ground product in a system that minimizes the production of a product containing a high percentage of extreme fines so...
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4055307 |
Material processing apparatus
Apparatus for processing material to reduce it to a state that renders the material more easily disposed of, the apparatus being adapted to process all types of refuse and garbage of the character...
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4054292 |
Gas seal for rotating grinding mill having peripheral discharge
A gas tight seal is provided for a rotating grinding mill having peripheral discharge outlets. The mill has a rotatable shell into which the material to be ground is fed. During operation, the...
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4002301 |
Vented hammermill crusher
An enclosed hammermill crusher having a closed-loop vent is described. The crusher-enclosure has an upper vent opening in the housing above the hammers where the hammer direction is upward, said...
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3975548 |
Pulverizing process for the production of frozen minced meat
In a pulverising equipment for the production of frozen minced meat, essentially consisting of a pulveriser followed by a malaxator, there is provided means for causing the passage, across the...
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3950144 |
Coal processing system
By product fines produced during the reduction of coal are conducted to an input of an inert gas generator. The by-product fines are burned forming a portion of the fuel needed to produce the inert...
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3854666 |
PROCESS FOR PULVERIZING COAL TO ULTRAFINE SIZE
A process for pulverizing coal to ultrafine size of a few microns, comprising conveying the coal through successive pulverizers with an inert gas, separating the ultrafine coal from the inert gas,...
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3840189 |
FEED MILL AND MIXER
An improved hammer mill and mixer combination employing a positive ventilation system which reduces pressure on the outlet side of the hammer mill to increase inflow thereto with improved hammer...
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3794251 |
MATERIAL REDUCING SYSTEM AND APPARATUS
A material reducing system having apparatus in which a venturi is inserted in the air circulating means at a point or place to control the size or weight characteristics of material which is...
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3754715 |
METHOD AND MEANS FOR SIZE REDUCTION AND COLLECTION OF SOLID MATERIALS
A combined size reduction mill and collector for forming powdered samples having an enclosed cylindrical chamber including an upright wall provided with an abrasive surface throughout a greater...
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3692246 |
FLUFF PREPARATION SYSTEM AND APPARATUS
A method or system of applying apparatus to the production of fluff which is used in the making of absorbent articles, like diapers, which after use can be thrown away. The method is directed to...
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