Abstract: A pelletizing press for producing pellets from material to be pressed, preferably from biomass, for use as fuel in fire places, wherein the biomass consists of cellulosic and/or lignocellulosic fibers, chips or shreds. In the pelletizing press, a dispersion chamber is formed by at least one die having a plurality of bores for pressing the biomass and at least by a lateral wall, and at least one roller rolling on a rolling surface of the die is arranged in the dispersion chamber. A pelletizing press of this method for producing pellets enables the formation of a dispersion chamber that, by means of at least one lateral wall, is as compact and sealed as possible relative to the prior art. At least two lateral wall parts are arranged to form a lateral wall; at least the first lateral wall part is arranged to be movable in relation to the second lateral wall part for carrying out a relative movement.

Abstract: A pellet press for producing pellets from material which is to be compressed. In the pellet press, the biomass is compressed through the holes of the die by at least one press device comprising a roller which rolls on the die, to form pellets. The die and/or the roller move in relation to each other during the production thereof. Provides essential machine elements or modules which are simple to access and also quick to exchange. The construction and operation of the pellet press should be modular so that the production power can be variably adjusted and/or the production is independent of the repairs of individual modules. At least one press device comprising at least one roller and/or the die is arranged inside a press frame in the pellet press, the press frame being embodied in the form of at least one C-frame and/or at least one window frame.

Abstract: A pelletizing press for producing pellets, preferably from biomass, for use as fuel in fireplaces, includes at least one die having a plurality of bores for pressing the biomass, at least one roll rolling on a rolling surface of the die, and at least one drive device for the die and/or the roll. The pelletizing press makes it possible to use a die having as low a height as possible, and thus as short a bore length as possible. For mounting the die, a carrier plate seated in a substantially planar manner against the die is arranged downstream of the die in the passage direction of the biomass. At least one opening for releasing the bores of the die is arranged in the carrier plate.

Abstract: The invention relates to a pellet press for producing pellets (10), there being in the pellet press (3) at least one die (4) having a multiplicity of holes (13) for compressing the biomass (1), at least one roll (5) rolling on the die (4) and at least one drive device for the die (4) and/or the roll (5). The aim of the invention is to produce a pellet press in which it is possible to eliminate local damage or partial wear of the die with the least possible effort or to make it easier to replace the die with a spare part. The invention consists of at least two die segments (7, 7? . . . ) being arranged as the die (4), at least one supporting device (9) being arranged to support the die segments (7, 7? . . . ) with respect to the roll (5), and the supporting device (9) having at least one aperture (8) for the pellets (10) emerging from the holes (13) in the die (4) to be led through.

Abstract: A device for sieving foreign bodies out of a material stream, wherein the device comprises a roller sieve comprising a plurality of rollers disposed in parallel to one another and discs disposed on the plurality of rollers such that they are perpendicular to the axial extension of the rollers, wherein the discs of adjacent rollers are engaged so as form slot areas between the discs and the adjacent rollers, and the discs comprise impulse discs for disaggregating a material stream disposed on the roller sieve, and conveyor discs for conveying the material stream in a transport direction and through the slot area. A corresponding process and an apparatus or system for the production of composite boards with such a device.

Abstract: The invention relates to a method for preheating a pressed material mat (14) spread on an endlessly and continuously circulating molding band (6) during manufacture of wood material boards, wherein microwaves from one or both press surface sides are beamed into the pressed material mat (14) to preheat the pressed material mat (14) and the pressed material mat (14) is compacted and hardened by application of pressure and heat after transfer to a continuously operating press (1). The invention consists of microwaves in a frequency range of 2400-2500 MHz being used to heat the pressed material mat (14), wherein the microwaves for each press surface side are generated from 20 to 300 microwave generators (26) with magnetrons (20) of a respective output of 3 to 50 kW.

Abstract: A process and apparatus for producing a multilayered panel of material. In a first step an oriented single-layered mat is formed in a forming station from resinated particulate longitudinally orientable in machine direction, the single-layered mat is compressed in a continuous working press to form an oriented single-layered panel strand, the single-layered panel strand is subdivided at least once by a subdividing device into oriented single-layered panels, wherein a layered pack comprising three layers at least, or a layered pack strand comprising of three layers at least, is formed in a laying device and single-layered panels are used in two layers at least.

Abstract: Pellet press producing pellets from material which is to be compressed. At least one rolling roller compresses the biomass in the press direction through holes of a die, which can be displaced by means of at least one drive, and/or rollers to form pellets. Sufficiently support a flat, annular and optionally segmented die, to prevent deformation and provide a pellet press in which a die that is moved and that comprises a support device has a minimum number of parts and/or mass passing through at least two press devices comprising a press frame with at least one roller. Pellet press in which at least one roller which is moved passes through at least two press frames. Die and/or rollers are displaceably mounted in at least two press frames and die is operatively connected to two coaxial support rings for forming an annular chamber and/or a support plate with perforations guiding the pellets in the press direction.

Abstract: A pellet press for producing pellets from material which is to be compressed. In the pellet press, the biomass is compressed through the holes of the die by at least one press device comprising a roller which rolls on the die, to form pellets. The die and/or the roller move in relation to each other during the production thereof. Provides essential machine elements or modules which are simple to access and also quick to exchange. The construction and operation of the pellet press should be modular so that the production power can be variably adjusted and/or the production is independent of the repairs of individual modules. At least one press device comprising at least one roller and/or the die is arranged inside a press frame in the pellet press, the press frame being embodied in the form of at least one C-frame and/or at least one window frame.

Abstract: A pelletizing press for producing pellets from material to be pressed, preferably from biomass, for use as fuel in fire places, wherein the biomass consists of cellulosic and/or lignocellulosic fibers, chips or shreds. In the pelletizing press, a dispersion chamber is formed by at least one die having a plurality of bores for pressing the biomass and at least by a lateral wall, and at least one roller rolling on a rolling surface of the die is arranged in the dispersion chamber. A pelletizing press of this method for producing pellets enables the formation of a dispersion chamber that, by means of at least one lateral wall, is as compact and sealed as possible relative to the prior art. At least two lateral wall parts are arranged to form a lateral wall; at least the first lateral wall part is arranged to be movable in relation to the second lateral wall part for carrying out a relative movement.

Abstract: The invention relates to a pelletizing press for producing pellets, preferably from biomass, for use as fuel in fireplaces, comprising at least one die having a plurality of bores for pressing the biomass, at least one roll rolling on a rolling surface of the die, and at least one drive device for the die and/or the roll. The aim of the invention is to create a pelletizing press, which makes it possible to use a die having as low a height as possible, and thus as short a bore length as possible. The invention is characterized in that, for mounting the die, a carrier plate seated in a substantially planar manner against the die is arranged downstream of the die in the passage direction of the biomass. At least one opening for releasing the bores of the die is arranged in the carrier plate.

Abstract: The invention relates to a pellet press for producing pellets (10), there being in the pellet press (3) at least one die (4) having a multiplicity of holes (13) for compressing the biomass (1), at least one roll (5) rolling on the die (4) and at least one drive device for the die (4) and/or the roll (5). The aim of the invention is to produce a pellet press in which it is possible to eliminate local damage or partial wear of the die with the least possible effort or to make it easier to replace the die with a spare part. The invention consists of at least two die segments (7, 7? . . . ) being arranged as the die (4), at least one supporting device (9) being arranged to support the die segments (7, 7? . . . ) with respect to the roll (5), and the supporting device (9) having at least one aperture (8) for the pellets (10) emerging from the holes (13) in the die (4) to be led through.

Abstract: A system and a method for producing pellets from biomass in a pellet press for use as fuel in fireplaces. To produce pellets in an energy-saving and more energetically cost-effective manner as compared to prior art. In the method according to one embodiment, the biomass, which comprises cellulosic and/or lignocellulosic fibers, chips or shreds and is heated and dried in the course of the production process in a dryer, separated from the dryer air, and the biomass is supplied to a pellet press, wherein the temperature of the biomass is heated or substantially maintained by hot air in a treatment region between the dryer and the pellet press, and the treatment region comprises at least parts of the transport path and/or at least one additional device for carrying out at least one additional method stop, and wherein the temperature of the hot air exceeds at least 65° Celsius.

Abstract: The invention relates to a method for preheating a pressed material mat (14) spread on an endlessly and continuously circulating molding band (6) during manufacture of wood material boards, wherein microwaves from one or both press surface sides are beamed into the pressed material mat (14) to preheat the pressed material mat (14) and the pressed material mat (14) is compacted and hardened by application of pressure and heat after transfer to a continuously operating press (1). The invention consists of microwaves in a frequency range of 2400-2500 MHz being used to heat the pressed material mat (14), wherein the microwaves for each press surface side are generated from 20 to 300 microwave generators (26) with magnetrons (20) of a respective output of 3 to 50 kW.

Abstract: A method and an installation for producing pellets from prepared biomass in a pelleting press for use as fuel in fireplaces. The biomass is made of fibers, shavings or chippings containing cellulose and/or lignocellulose, with or without a binding agent and/or additives, and after being prepared is stored in a biomass bunker. The method includes: biomass discharged from the biomass bunker into a scatter device, a mat made of the biomass having a substantially uniform weight per unit area formed by the scatter device on a molding belt, the mat produced on the molding belt examined by an examining device for defective spots and/or foreign substances, and the mat supplied to a pelleting press. At least parts of the mat or a section of the mat include defective regions and/or foreign substances separated from the method upstream of the pelleting press.

Abstract: A method and installation for production of pellets from processed biomass in a pelletizing press for use as fuel in furnaces, in which the biomass includes cellulose- and/or lignocelluloses-containing fibers, shavings or chips with or without a binder and/or additives and the biomass after processing is fed with a metering device to a pelletizing press. The biomass is separated with a breaker device right before the pelletizing press. Biomass is introduced to a metering device, which includes a spreading device and an endless shaping belt lying beneath it in the direction of fall, in which a mat with an essentially uniform weight per unit area is formed in the metering device on the shaping belt and the metering device feeds the mat to a breaker device in front of the pelletizing press, in which the biomass is separated by the breaker device.

Abstract: A method and an installation or machine for screening and drying strand material. The strand material still in the moist state is screened with a screening device into at least two different fractions of strand material. At least one of the screened fractions is fed to at least one dryer, and the feeding of the strand material to the dryer is carried out by means of a conveying device, which is controlled by a control unit. The control unit assures a uniform, predetermined weight and/or volume input into the dryer(s) by measuring the mass and/or the weight per unit area of the strand material by means of a measuring device.

Abstract: A device for sieving foreign bodies out of a material stream, wherein the device comprises a roller sieve comprising a plurality of rollers disposed in parallel to one another and discs disposed on the plurality of rollers such that they are perpendicular to the axial extension of the rollers, wherein the discs of adjacent rollers are engaged so as form slot areas between the discs and the adjacent rollers, and the discs comprise impulse discs for disaggregating a material stream disposed on the roller sieve, and conveyor discs for conveying the material stream in a transport direction and through the slot area. A corresponding process and an apparatus or system for the production of composite boards with such a device.

Abstract: A continuously operating press for the continuous manufacture of wood material boards having a textured surface on at least one side includes: an upper frame part and a lower frame part; two endless steel belts configured to draw a mat of material through the continuously operating press and to transfer press pressure, each steel belt associated with one of the upper frame part and the lower frame part; an endless metal mesh belt associated with a corresponding one of the steel belts; an insulating tunnel associated with the metal mesh belt and the corresponding steel belt; and a heating tunnel associated with the metal mesh belt and separated from the corresponding steel belt. The metal mesh belt includes a material having a thermal conductivity substantially higher than that of the corresponding steel belt and having a thermal expansion coefficient approximately equal to that of the corresponding steel belt.

Abstract: A method for the manufacture of compacts from comminuted material (12) such as lignocellulose material and/or other combustible material for burning in hearths, wherein the material (12) is placed into openings (11) of a mold (4) and then compressed to form compacts. The filling of a mold (4) with the material (12) and the compaction of the material (10) to form compacts (10) is performed in the pressing chamber (18) of a multi-platen press (1) with plungers (7) plunging into many openings (11) of a mold (4), and after compaction the mold (4) with the ram (3) is raised and additionally urged against the ram, while the finished compacts are driven out of the mold and then are pushed out of the press chamber (18) into a container (16) by an ejecting device. Moreover, an installation for the practice of the method includes a hopper (9) and a multi-platen press (1) with a mold raising-and-lowering device (14).