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WO/2008/135599A2 |
The invention relates to a device for grinding and comminuting material to be ground and to a method for grinding and comminuting grinding material, in which the material to be ground is obtained by the exertion of force of at least one ...
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WO/2008/115911A1 |
The subject mater herein relates to coal mills and, more particularly, inferential pulverized fuel flow sensing and manipulation within a coal mill. Various embodiments provide systems, methods, and software to manipulate a primary air f...
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WO2008080509B1 |
The subject of the invention is roller mills, comprising a housing (9), a grinding plate (2) with a drive (10), and grinding rollers (3) which roll down on the grinding plate (2), wherein rockers (6) and rocker axes (7) are provided for ...
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WO/2008/104521A1 |
The invention relates to a roller mill comprising a mill housing, a milling track rotatably supported about a milling axis inside the mill housing, and at least one milling roller, which can be rotated about a milling roller axis and is ...
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WO/2008/095902A1 |
The invention relates to a method for comminuting material to be ground using a roller mill (1) which comprises a grinding plate, at least one grinding roller and at least two drives (13, 14) for driving the roller mill, wherein there is...
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WO/2008/090923A1 |
When material supply amount to a vertical crusher (1) is reduced, the number of revolutions of a rotary table (2) is decreased before the material supply amount is varied actually. In other words, when the vertical crusher (1) is stopped...
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WO/2008/068125A1 |
The invention relates to a roller mill comprising at least one grinding roller and a rotatable grinding plate, which are arranged in an inner space of the mill, and also a force arm which is held pivotably and in a rotationally fixed man...
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WO/2008/063083A1 |
Ball milling apparatus of an at least substantially horizontal agitator shafted kind in an at least substantially horizontal chamber (eg, for use as a mechanochemical reactor), wherein there is an end plate that closes the at least subst...
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WO/2008/049545A1 |
The invention relates to drive systems for roller mills. To ensure the continuous availability of the mill, more than two drives (10, 11) are provided, wherein the at least two drives (10, 11) are capable of achieving the full grinding c...
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WO/2008/037515A1 |
The invention relates to a roller mill or roll mill comprising at least one grinding roller or grinding roll and a jewel bearing that is slidable in a machine frame and is used for accommodating the grinding roller or grinding roll. At l...
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WO/2008/031694A1 |
The invention relates to a mill for milling rough, stone-like bulk material, comprising a milling plate (4) turnable around a vertical rotation axis (5). The milling plate (4) is driven by an electric motor (6), comprising a crankshaft (...
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WO/2008/028256A1 |
A method and apparatus for recovering hydrocarbons from oil shale is disclosed. The method comprises a step of processing oil shale through a grinding/crushing apparatus that includes a plurality of grinding/crushing rolls (3, 7) and for...
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WO/2008/027661A1 |
A primary classifier (300) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effecting the pulverization of materials such as coal is provided by the present invention. The primary classifier (3...
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WO/2008/014063A1 |
A main shaft 220 and method for installing a main shaft 220 for a pulverizer are provided herein. The main shaft 220 includes at least a first tapered portion 408 for accepting a yoke 112 and a first associated threaded portion 405 for s...
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WO/2008/001854A1 |
In crushing devices for crushing objects by pressing them by rolling bodies, airflow in the direction escaping from the rolling bodies is produced when the rolling bodies are rotated, and this allows the objects to escape with the airflo...
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WO/2007/106773A1 |
Cellulosic biomass is reduced to a micropowder with particles having average diameters below 5-10 micrometers with a significant fraction of the particles have diameters below 1 micrometer. Biomass (e.g., wood, agricultural waste or othe...
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WO/2007/105972A1 |
A towered procession of ball mills to progressively feed downwardly thereby to provide a substantial throughput of a matrix being mechano-chemically decontaminated despite small size of each ball mill. The small size allows removal and (...
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WO/2007/065214A1 |
An annular grinding mill ring has a radially inner wall, a radially outer wall and an annular recess between the walls for receiving grinding balls; the radially inner wall has a multiplicity of recesses spaced around the ring and extend...
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WO/2007/054191A1 |
The invention relates to a roller mill which is suitable in particular for dressing ores. To lower the energy requirement for the comminution and classification of a ground product, a classifying device is arranged under the grinding spa...
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WO/2007/022837A1 |
The invention relates to a method and an apparatus for milling hot and wet raw materials. The invention is particularly suitable for the cement industry and for milling and simultaneously drying cement clinker, slag and aggregates. In or...
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WO/2007/023100A1 |
The invention relates to a heavy-duty gearbox for driving roller-and-bowl mills comprising a bevel gear stage (6; 7), a horizontal input drive shaft (5) and a vertical output drive shaft (8) and a multi stage planetary gearbox arrangemen...
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WO/2007/019602A1 |
A method for reducing particle size of a particulate comprising feeding a feed material to a grinding mill having a power of at least 500kW, the mill having a specific power draw of at least 50kW per cubic metre of grinding volume of the...
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WO/2007/016308A2 |
Grinding media are described herein. The grinding media can be used in milling processes to produce particle compositions. A wide variety of particle compositions may be produced with the grinding media which can be used in numerous appl...
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WO/2007/000211A1 |
The invention relates to a safety system for a roller mill. The aim of the invention is to minimise the production downtime of a grinding mill, especially a cement mill, and to optimise the availability of the roller mill on the transmis...
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WO/2006/131198A1 |
The invention relates to a device and method for drying and deagglomerating moist feed material, whereby the feed material is kneaded, mixed and broken up by the action of at least one roller rolling on a driven plate and is dried by mea...
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WO/2006/133213A2 |
A plunger can for a roller assembly within a pulverizing mill has a body which contains a compression spring. A stub shaft transfers the force generated by the compression spring to the roller assembly. A bushing in cooperation with a lo...
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WO/2006/092277A1 |
The invention relates to a vertical mill comprising a grinding track (1) and at least one grinding roller (2). The grinding track (1) is provided with a central zone (Ia) made of a harder material and two laterally adjacent edge zones (I...
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WO/2006/072275A1 |
The invention relates to a roller mill having a modular design. In order to make possible an increased nominal grinding capacity with a limited roll/oscillating lever mass and with a greater number of rolls, the supports are transferred ...
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WO/2006/065684A2 |
A method for preserving wood by injecting into the wood a slurry having: particles of a sparingly soluble copper salt, copper hydroxide, or both, wherein the weight average diameter d50 of the particles in the slurry is between 0.1 micro...
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WO/2006/014954A2 |
A deflector disposed immediately above and outboard of a rotating vane wheel in a pulverizer/classifier is protected from wear and abrasion by means of side-by-side abutting high-hardness wear plates having an alloy content of approximat...
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WO/2005/110629A1 |
A classifier capable of stably providing particles by further reducing the mixing ratio of coarse particles, a vertical crusher having the classifier, and a coal fired boiler apparatus having the vertical crusher. The classifier comprise...
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WO/2005/099902A1 |
A pulveriser mill has a grinding set (2) supported by a support table (4), the support table having on its underside supporting parts 8’, 10’, 12’. By such means the working life of the support table may be extended.
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WO/2005/084810A1 |
A system for use with a roll bowl type mill for the pulverizing of solid fuels such as coal. The system includes hardware in the form of sensors and other components and software to among other things monitor the operating condition of t...
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WO/2005/084809A1 |
The invention relates to a composite milling roller, produced by casting, comprising peripheral inserts of a high wear-resistance and high hardness material, sealed in a ductile material on said casting. The roller comprises first zones ...
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WO/2005/075375A1 |
The invention relates to sintered ceramic grinding balls comprising the following compounds (by wt.-%): 18 to 50 wt.- % mullite (3Al2O3.2SiO2); 9 to 25 wt.- % zirconium (ZrO2 + HfO2) stabilised by 0.5 to 3 wt.- % rare earth oxide; and 25...
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WO/2005/028112A1 |
The invention relates to a safety system for operating a grinding system comprising a roller grinding mill which is disposed in a combined system particularly for mill-drying raw cement material. Especially six grinding rollers are provi...
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WO/2005/019657A2 |
A method and apparatus is disclosed which includes a piston and sleeve arrangement. One end of the piston is provided with at least one bearing element and a bearing housing. The bearing element is provided with a bearing sleeve.
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WO/2005/000473A1 |
The aim of the invention is to create a closed-circuit crushing system, which has a simple and compact design, is composed of a roll mill or roller mill and of a separator device, is well-suited for milling, in particular, a wet fresh pr...
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WO/2004/028696A1 |
A brush seal assembly (50, 56) for a coal pulverizer includes multiple identical assembly segments (54). Each assembly segment (54) comprises an arcuate brush assembly (56), a pair of clamping block assemblies (64) and a pair of mounting...
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WO/2004/014557A2 |
Disclosed is a nano grinding mill including a lower turntable with a disc plate mounted on the lower portion thereof, and upper and intermediate plates disposed above the lower turntable, each of the upper and intermediate plates having ...
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WO/2003/099444A1 |
A method and apparatus for comminuting particulate material by inter-particle comminution in a bed of particles are disclosed. The apparatus comprises a vertical roller mill with a horizontal grinding table rotating about a vertical mill...
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WO/2003/066220A1 |
A simple apparatus structure capable of milling with excellent efficiency without using a tube mill having poor milling efficiency. The milling method uses a mill apparatus provided with a vertical mill (1) and a classifier (50). A raw m...
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WO/2003/045562A1 |
The invention relates to a cylinder−roller mill which includes a cylinder (1) having a horizontal axis&semi driving means (9) for rotating the cylinder (1)&semi a first cover (3) for covering one end of the cylinder (1) and having an i...
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WO/2003/018203A1 |
The invention relates to a roller grinding mill, especially an air-swept roller grinding mill, that is equipped with a device for removing magnetizable components, especially iron particles, from the grinding chamber. The invention furth...
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WO/2003/015937A1 |
An apparatus for separating coarse particles from a stream of gas entrained with a mixture of coarse and fine particles includes an outer casing and an inner casing configured to define a passageway therebetween through which the stream ...
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WO/2003/000424A1 |
A description is provided of a roller mill (1) for grinding of particulate material, said roller mill comprising at least one grinding roller (3) which via at least one piston (6) can be thrust against a grinding surface (5) by means of ...
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WO/2002/089988A1 |
A roller mill includes a base, a pulverizing table (4) having a substantially horizontal upper surface, supported against the base and arranged to rotate around a vertical axis (8) intersecting the upper surface in a center point thereof...
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WO/2002/090004A1 |
The invention relates to a separator, for example an air roller-mill separator or an air classifier, comprising a vane ring as the stator (2) and a rotor that is located radially in the interior (4). According to the invention, the stato...
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WO/2002/061309A1 |
Improved multi-segment, hardened, wear resistant sleeve for oil seal portion of roller journal shaft of Raymond and similar type mills and oil seal/gland packing portion of similar shafts comprising plurality of segments of the said slee...
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WO/2002/060586A1 |
An improved assembly of mechanical face seal in a Raymond type (coal) mill and the like, to get the desired flatness at the sealing faces, consisting of the new system/s & design/s wherein totally new spring loaded unit `SLU! assembly me...
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