POLYSIUS AG Patent applications |
Patent application number | Title | Published |
20110293487 | DEVICE AND A METHOD FOR CARRYING OUT CHEMICAL AND/OR PHYSICAL REACTIONS BETWEEN A SOLID MATERIAL AND A GAS AS WELL AS A PLANT FOR CEMENT MANUFACTURE - The device according to the invention for carrying out chemical and/or physical reactions between a solid material and a gas, in particular for the preheating, cooling and/or calcining of fine-grain materials, essentially comprises at least one helical and/or spiral conduit, in which the gas-solid material suspension is separated by centrifugal forces into a solid material flow and a gas flow, and, connected to the end of the helical and/or spiral conduit, at least one separation region, to which a solid material conduit for discharging the solid material flow and a gas conduit for discharging the gas flow are connected. The separation region is here formed by a lower part of the gas conduit, the separation region in the region of the junction of the helical and/or spiral conduit and the part of the gas conduit above and adjoining it having the same diameter. To form a swirling flow, the helical and/or spiral conduit opens out tangentially and at an angle to the horizontal of at least 30° into the separation region. | 12-01-2011 |
20110220747 | TUBE MILL WITH INTERNAL LINING OF EPOXY MATERIAL - The invention relates to a tube mill for the wet grinding of lumpy material with a grinding cylinder, an inlet opening for inlet of lumpy material, means for addition of an aggressive medium and also an outlet opening ( | 09-15-2011 |
20110209449 | DEVICE FOR SEPARATING A SOLID MATERIAL AND A GAS AND A PLANT FOR CEMENT MANUFACTURE - The device according to the invention for separating a solid material and a gas substantially comprises an ascending conduit for conducting a gas-solid material suspension having a solid material supply port for feeding in a solid material and a gas supply port for feeding in a gas, a descending helical and/or spiral conduit, in which the gas-solid material suspension is separated into a solid material flow and a gas flow by centrifugal forces, a diverter head that connects the ascending conduit with the helical and/or spiral conduit, wherein in the region of the diverter head at least one bend is provided in the conduit configuration, connected to the end of the helical and/or spiral conduit a solid material conduit for discharging the flow of solid material and also connected to the end of the helical and/or spiral conduit a gas conduit for discharging the flow of gas. | 09-01-2011 |
20110126738 | CEMENT SYSTEM AND METHOD FOR OPERATING A CEMENT SYSTEM - In the method according to the invention for operating a cement plant, the raw meal is preheated in a preheating zone, the preheated material is precalcined in a calcining zone and the precalcined material is finally sintered in a sintering zone. The cement plant is operated in such a manner that the precalcined material which is supplied to the sintering zone has an SO | 06-02-2011 |
20100252667 | ROLLER MILL - The invention relates to a roller mill having a mill housing, a mill path which is supported so as to be rotatable about a mill axis inside the mill housing, and at least one mill roller which can be rotated about a mill roller shaft and which is engaged with the mill path in terms of rolling action. There is further provided a pivot lever which is for rotatably retaining the mill roller and which has a pivot shaft arranged parallel with the mill roller axis and which is supported outside the mill housing. The pivot lever is further in operational contact with a hydropneumatic resilient system in order to adjust the pressing pressure of the mill roller. The pivot lever is supported outside the mill housing with spacing therefrom in such a manner that the forces which are produced by the hydropneumatic resilient system are dissipated into the mill foundation directly or via pillars. | 10-07-2010 |
20100219968 | LABORATORY SYSTEM HAVING A TRANSPORT UNIT FOR SAMPLES AND A MONITORING SYSTEM FOR MAINTAINING A SAFE DISTANCE - The laboratory system according to the invention substantially comprises a transport device for samples, at least one handling device for preparing, analysing and/or processing samples, at least one movable manipulation device for handling the samples in the region of a handling device, the manipulation device being configured for the transfer of the sample between the transport device and the handling device, and a monitoring system which travels with the manipulation device for maintaining a safety distance. The manipulation device can be moved between at least two handling devices and the monitoring system is a monitoring system which travels with the manipulation device and which is formed by a camera for producing remote images and/or a location system having at least one transmitter and at least one receiver. The receiver of the location system is mounted on the movable transport device and is constructed in such a manner that it produces an alarm signal if the at least one transmitter falls below a minimum distance relative to the receiver. | 09-02-2010 |
20100193616 | ROLL MILL - The invention relates to a roll mill having a grinding plate rotatable about an axis of rotation, at least one grinding roller in rolling engagement with the grinding plate, and a main drive for driving the grinding plate. An auxiliary drive for driving the grinding plate, and a regulating device are also provided, the regulating device including at least one damping regulator which regulates the auxiliary drive in dependence on torque variations of the main drive and/or variations in the speed of rotation of the grinding plate. | 08-05-2010 |
20100186607 | ROLLER PRESS WITH DISPLACEABLE HEAD ELEMENTS - The invention relates to a roller press having two rollers rotatably supported in a frame. In order to mount or dismount the rollers, at least one head piece of the frame can be removed from its operating position by being displaced outwards in the transverse direction. Such an embodiment is distinguished by inexpensive manufacture of the roller press and a time-saving mounting and dismounting of the rollers. | 07-29-2010 |
20100176234 | ROLLER PRESS WITH RETRACTABLE GRINDING MATERIAL GUIDE METAL SHEET - The invention relates to a material bed roller mill having two rollers ( | 07-15-2010 |
20100116720 | APPARATUS AND METHOD FOR SIFTING FEEDSTOCK - The invention relates to an apparatus for sifting feedstock, comprising: a. a static sifter that has a ventilated bottom which is oriented at an angle to the vertical and is penetrated by sifting gas; b. an inlet for feeding the feedstock to the ventilated bottom; c. an outlet for the coarse material; d. a dynamic sifter that is mounted downstream and encompasses at least one rotor with rotor blades and a horizontal rotor axis; e. at least one outlet for the sifting gas loaded with fine material; and f. a housing inside which the static and the dynamic sifter are arranged. The housing area surrounding the dynamic sifter is designed as a housing spiral such that the sifting gas flows against the rotor in a substantially tangential direction. The rotor rotates counter to the direction of flow of the sifting gas in the housing spiral. | 05-13-2010 |
20100116719 | METHOD AND DEVICE FOR SEPARATING OR CLASSIFYING MATERIAL TO BE FED - The device according to the invention for separating or classifying material to be fed into at least two different grain fractions comprises a screen device, which is formed by rotatable elements, particularly a roller table screen, wherein at least one finer grain fraction passes between the rotatable elements and means are provided for cooling the rotatable elements. | 05-13-2010 |
20100059614 | GRINDING ROLLER AND METHOD FOR THE RECONDITIONING THEREOF - The invention relates to a milling roller of a high-pressure material bed roller mill, having profile-members which are embedded with a portion of the length thereof in holes of the roller body and, with the remainder of the length thereof, protrude above the surface of the roller body, with, when the milling roller is new, the holes having different depths and the profile-members having different lengths in differently loaded part-regions of the width of the roller body. Such a construction brings about a long service-life for the roller and cost-effective reconditioning after operational wear with a production operation which reduces costs. | 03-11-2010 |
20100059611 | METHOD FOR COMMINUTING MATERIAL TO BE GROUND USING A ROLLER MILL - The invention relates to a method for comminuting material to be ground having a roller mill which has a mill platen, at least one mill roller and at least two drives for driving the roller mill, with there being provided a power compensation control system for the drives which controls the power of the drives at a predetermined ratio relative to each other by the speed of at least one drive being controlled. | 03-11-2010 |
20100012760 | ROLLER MILL - The invention relates to a roller mill having at least one mill roller and a rotatable mill platen, which are arranged in a mill inner space, and a moment arm which is retained so as to be pivotably movable and rotationally secure in a bearing, with the mill roller being supported in a rotatable manner at one end of the moment arm and there further being provided means for applying a force to the moment arm comprising a pressure cylinder which is in operative contact with the moment arm in order to adjust the mill pressure which is applied by the mill roller. The contact location, at which the force of the pressure cylinder is transmitted to the moment arm, is located outside the mill inner space. | 01-21-2010 |
20090305180 | PLANT AND METHOD FOR THE PRODUCTION OF CEMENT CLINKER - The invention relates to a plant and to a method for the production of cement clinker from cement raw meal, the cement raw meal being preheated in a preheating zone, precalcined in a calcining zone, completely burned in a sintering combustion zone and cooled in a cooling zone, solid fuels additionally being burned in an additional combustion region, a firing region being used in the additional combustion region, the solid fuel being introduced into the firing region where it forms a fuel bed over which a supplied oxygen-containing gas flows, the resulting combustion products being removed via a discharge opening and being used in the production of cement clinker. The fuel is supplied via a conveyor device arranged outside the firing region, in such a manner that it moves the fuel bed that is present in the direction towards the discharge opening. | 12-10-2009 |