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Matches 151 - 200 out of 3,658

Document Document Title
WO/2014/041286A1
The invention relates to a method for producing a multi-layer fibrous support, comprising the following steps: a paper pulp comprising fibres and fines is agitated so as to form a fibrous suspension; the fibrous suspension is fractionate...  
WO/2014/042010A1
Provided is a screen device for papermaking raw material that can facilitate pulping of raw material. The screen device for papermaking raw material is provided with a screen inlet chamber (6) that sorts papermaking raw material (A) into...  
WO/2014/037178A1
The invention relates to a device for removing long fibres from a fibrous suspension, comprising at least one rotor (1) having rotor blades (2), in which device a jet (3) of the fibrous suspension is directed onto the rotor blades (2) of...  
WO/2014/032928A1
The invention relates to a method for cleaning a fibrous-material suspension (1) by means of a pressure screen (5), wherein the fibrous-material suspension (1) is introduced into a feed chamber (2) and the materials to be precipitated ac...  
WO/2014/031737A1
Various embodiments of the present invention relate to surface enhanced pulp fibers, various products incorporating surface enhanced pulp fibers, and methods and systems for producing surface enhanced pulp fibers. Various embodiments of ...  
WO/2014/028466A1
A multi-zoned screening apparatus (100) is disclosed for separating fiber from a liquid medium during, for example, a grain wet mill or dry grind process. The apparatus can include a housing (106) having a first and second zone (116A) an...  
WO/2014/023692A1
The invention relates to a broke system for the treatment of broke of a machine for producing a paper, cardboard, tissue or another fibrous web, wherein the broke is broken down in at least one mechanical pulper, and the fibrous stock su...  
WO/2014/020002A1
The invention relates to a disc filter for separating off liquids from a suspension (1), in particular a fibre suspension, having a container (2) for receiving the suspension (1), a hollow shaft (4) that is horizontally extending in the ...  
WO/2013/175078A1
The present invention relates to a rotor element for use with a rotor and a rotor featuring said elements. The rotor is used in a screening apparatus of the pulp and paper industry. The rotor element (10) has a longitudinal centreline CL...  
WO/2013/149913A1
The present invention relates to a process for removal of solid non-fibrous material from an aqueous pulp suspension comprising providing an aqueous pulp suspension comprising solid non-fibrous material, removing at least part of the sol...  
WO/2013/149795A1
The invention relates to a strainer for treating a liquid to paste-like medium comprising a plurality of strainer openings (5) and an intake side (7) facing away from the direction of flow (6) and a discharge side (8) facing the directio...  
WO/2013/133750A1
The invention is related to an apparatus for manufacturing fibre pulp from lignocellulose-containing material, comprising a housing (2) enclosing two refining disks (3, 4) having opposing refining elements (6, 7), which refining elements...  
WO/2013/117823A1
The invention relates to pretreating of native cellulose pulp in the manufacture of nanofibrillated cellulose, and to a nanofibrillated cellulose product obtainable by the method.  
WO/2013/105888A1
The invention relates to an improved profile bar screen for draining treatment liquor from a suspension of comminuted cellulose material and treatment liquor in an essentially cylindrical digester vessel. Withdrawal screens for digesters...  
WO/2013/100799A1
The invention relates to equipment for grinding and drying materials. The disperser comprises a housing (1), a rotor (2) arranged therein with radial blades (3), which rotor is fixed to a shaft (4) with the capacity for rotation, and an ...  
WO/2013/095266A1
The present invention relates to a method for production of a paper product comprising the following step: a) providing a chemical pulp b) adding lignosulfonate to the chemical pulp such that a chemical pulp comprising lignosulfonate is ...  
WO/2013/095203A1
In the pulp and paper industry, there is a need to follow up process variables spatially directly in the refining zone of refiners, in order to control the process to reduce the variations in energy consumption and pulp quality. This is ...  
WO/2013/083509A1
The invention relates to a screen device which can be used to screen a fibrous-material suspension (S). The device is provided with an inlet chamber (4) for said fibrous-material suspension (S), with at least one screen basket (1) that i...  
WO/2013/083395A1
The present invention relates to a process and to an arrangement for treatment of a filtrate (1) which is obtained in the course of production of a fibrous material suspension or of a fibrous material web, wherein the filtrate (1) is fra...  
WO/2013/083784A3
In order for a method for preparing fibres for producing paper from a fibre-containing material, in particular from waste paper, to be improved such that shortening of the fibres separated from the fibre material is reduced to a minimum,...  
WO/2013/081527A1
A stand for a refining apparatus which minimizes the problem of non-alignment of the refining gaps disclosed. The stand comprises a support beam structure adapted to transfer axial forces from the bearing unit, during operation of the re...  
WO/2013/075995A1
The invention relates to a device for degassing liquid to paste-like media (1), in particular fibre suspensions in a closed container (2) which is connected to a vacuum source and which has at least one inlet (3) and at least one dischar...  
WO/2013/072559A1
In a method for producing nanofibril cellulose, cellulose based fibre material, in which internal bonds in the cellulose fibre have been weakened by chemical modification, are supplied, for separating fibrils, through several counter-rot...  
WO/2013/074764A1
A screening apparatus for recycled paper stock includes a screen basket and at least one microstickies colletor. The screen basket includes a fine perforated screen with a circumference. The at least one microstickies collector is positi...  
WO/2013/072558A1
A disc refiner comprises a refiner disc (1b) rotating around an axis (A) and forming together with an opposite refiner disc (1a) a refining gap (1c) which is transverse to the axis and whose width (the distance between the refining surfa...  
WO/2013/072174A1
The invention relates to a screen (2) having a plurality of slit-shaped screen openings (3) and intended for treating a suspension (1). The sorting effect and/or the throughput are to be improved, while guaranteeing the required screen s...  
WO/2013/072564A1
The invention relates to a method for manufacturing furnish for a paper product, wherein the manufactured furnish contains fibril cellulose material. The method comprises introducing first raw material to a system, which first raw materi...  
WO/2013/066239A1
A rotating machine (1) has a rotor (10), an outer bearing housing (20), a bearing (30) arranged for supporting radial forces between the rotor (10) and the outer housing (20) by mechanical contacts, and an inner bearing housing (40) of t...  
WO/2013/061266A1
The present invention relates to a process for producing a dispersion comprising microfibrillated cellulose and nanoparticles wherein the process comprises the steps; providing a slurry comprising pre-treated cellulose fibers, adding nan...  
WO/2013/055284A1
A device (10) is provided for preventing rewetting in a pulp washer (100), with two press rolls (2), arranged to rotate in opposite directions and having permeable outer surfaces (4), inside of which filtrate channels (6) are arranged. T...  
WO/2013/051995A1
A pulp distribution device (10) is provided for distribution of cellulose pulp having a concentration of 2-13% to a rotatable first permeable surface (21) in an apparatus (100) for washing cellulose pulp. The pulp distribution device com...  
WO/2013/045325A1
The invention relates to an operating method for a stock preparation zone in a paper, tissue or cardboard machine for producing a fibrous web, comprising at least one vat for preparing and storing a fibrous stock suspension and a measuri...  
WO/2013/044676A1
Disclosed in the present invention is a screen for treating a fiber suspension, especially a screen for treating a fiber suspension in the papermaking industry and the pulp industry. The screen has a large number of through openings for ...  
WO/2013/029931A3
The invention relates to a sieve for treating a fluid to paste-like medium consisting of a plurality of layers (5, 6, 7) and having a plurality of sieve openings (1) and an inlet side (3) pointing opposite the flow direction (2) and an o...  
WO/2013/029930A1
The invention relates to a screen for treating a liquid to pasty medium, comprising a multiplicity of screen openings (1) and a coated inflow side (3) pointing counter to the through-flow direction (2) and a coated outflow side (4) point...  
WO/2013/023899A1
The invention relates to a screen for treating a fibrous material suspension suitable for producing a paper, cardboard, tissue or other fibrous material web, with a plurality of screen openings (1, 2), the smallest cross-sectional areas ...  
WO/2013/010654A3
Disclosed is a device for removing impurities from shredded plastic, comprising a first cleaning disk with a first cleaning surface and a second cleaning disk with a second cleaning surface, the cleaning surfaces facing each other and de...  
WO/2013/010755A1
The invention relates to a pressure screen for cleaning a fibrous suspension (1) with a screen element (2) formed rotationally symmetrical about a screen axis (7), which screen element divides the pressure screen into an infeed chamber (...  
WO/2013/010073A1
A refining plate segment (10) for a mechanical refiner of ligno-cellulosic material including: a refining surface on a substrate, wherein the refining surface faces a refining surface of an opposing refiner plate, the refining surface in...  
WO/2013/004506A1
The invention relates to a sorting device, comprising a plurality of parallel sorting slots (1) which are formed by profiled rods (2) coated with a wear protection layer (3). Indicating wear is to be made possible in a simple manner in t...  
WO/2013/000072A1
Particles are separated from a source viscoplastic fluid by flowing streams of the viscoplastic fluid and a destination fluid in parallel streamed relationship inside a rotating cylindrical annulus (Fig. 16 (106, 102b) by using baffles (...  
WO/2012/175806A3
In a method for manufacturing fibril cellulose, cellulose based fibre raw material is processed mechanically in a refining gap (2) for separating fibrils. The fibres to be refined are subjected to the action of a surface roughness Ra pro...  
WO/2012/175806A2
In a method for manufacturing fibril cellulose, cellulose based fibre raw material is processed mechanically in a refining gap (2) for separating fibrils. The fibres to be refined are subjected to the action of a surface roughness Ra pro...  
WO/2012/159845A1
The invention relates to an apparatus for degassing a fibrous suspension (1) in a closed degassing chamber (2) having at least one feed port (3) via which the fibrous suspension (1) is introduced, the fibrous suspension (1) accumulating ...  
WO/2012/159876A1
The invention relates to a method for removing long fibres from a fibrous material suspension. The aim of the invention is to separate out long fibres as simply as possible. Said aim is achieved in that a jet (1) of the fibrous material ...  
WO/2012/156189A3
The invention relates to a method for refining fibres in an aqueous suspension (1), in which method the fibres are loaded mechanically in a plurality of refining gaps (2), wherein the refining gaps (2) are formed in each case by two refi...  
WO/2012/150901A1
A hydrocyclone (1) for separating a liquid mixture into a heavy fraction including heavy particles and alight fraction, comprising a housing (2) forming an elongated separation chamber (3) having a circumferential wall (4), abase end (5)...  
WO/2012/136704A1
The present disclosure provides a refining disc or a segment (1) thereof, comprising a base (4) composed of a cast iron and teeth (5) composed of a metal carbide composite, which teeth protrude from the base, wherein the teeth are partia...  
WO/2012/132513A1
The purpose of the present invention is to provide technology for regenerating pulp having high quality with compact pulp regenerating equipment and less energy. In the pulp regenerating method of the present invention, pulp slurry con...  
WO/2012/128711A1
A device for adjusting a press nip (126) defined by a first press roll (102) and a second press roll (104), each press roll being rotatable about an axis of rotation (103, 105) and included in an apparatus for dewatering pulp, and the ap...  

Matches 151 - 200 out of 3,658