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JP2008539339A |
A hydrocyclone unit (1) for separating a fibre pulp suspension containing relatively heavy contaminants comprises an elongate tapering separation chamber (3), an inlet member (6) that feeds the suspension tangentially into the separation...
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JP4177464B2 |
For the prodn. of flat sieves, the ends of the sieve rods are inserted into openings in the carrier, and secured in a shaped fit mounting through the clamping action on distortion of the rod carrier. The sieve rods are produced so that, ...
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JP4169494B2 |
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JP2008248453A |
To provide a method for producing bulky paper which is bulky (low density) and has excellent smoothness and strength.The method for producing the bulky paper includes drying coniferous wood chemical pulp, regulating the moisture content ...
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JP2008248459A |
To provide a method for producing paper, which has good dimensional stability, causes little lowering of paper formation, has a low density and good filtrability during paper making by increasing yield in comparison with conventional met...
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JP2008223151A |
To provide a papermaking screen apparatus having improved processing capacity.The papermaking screen apparatus 1 has a tank 3 for receiving a papermaking material and having an inlet 31 of the papermaking material, a refining outlet 32 a...
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JP4150720B2 |
A system for screening fluid-borne material from a fluid that carries particulate matter along with the material, e.g. for screening usable fibers in papermaking or tissue making white water that also contains waste material such as fine...
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JP4142633B2 |
Strainer (1) for fibrous suspensions, comprising a container (2), a filtering basket (3; 21, 22) inside the container (2) and a rotor (4; 15, 16) inside the filtering basket (3; 21, 22) coupled to motorization means (7) suited to set it ...
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JP2008169497A |
To provide a method for producing a nanofiber, which efficiently produces a sufficiently miniaturized nanofiber from a cellulosic fiber raw material, and to provide a sufficiently miniaturized nanofiber produced by the method.The method ...
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JP4124828B2 |
In the arrangement, the cross section of a blade rotating close to the surface of a screen cylinder changes in such a way that as the pulp consistency changes in the vertical direction of the screen cylinder, the cross section of the bla...
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JP2008163481A |
To provide a method for producing a beaten polyketone staple fiber, which is capable of producing a highly fibrillated beaten polyketone staple fiber in a short time.In the method, a polyketone fibers having 95 mol% of repeating units re...
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JP2008519167A |
The present invention relates to a method and arrangement for treating pulp. The method and arrangement according to the invention are suitable for use in production of chemical pulp in situations, where gas must be separated from the pu...
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JP2008514398A |
The invention relates to a device for purifying water, in particular for the continuous purification of water in the paper industry, said device comprising at least one supply line and at least one drain line for the water. The device al...
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JP2008513621A |
Process and device to manufacture and dewater cellulose pulps in which defibered cellulose is screened to remove shives, fractionated in to at least three fractions ( 10, 3, 12 ), which fractions are treated each by itself and then are b...
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JP2008513625A |
The invention relates to a method and to a device which is used to fraction aqueous paper fibre suspensions (S). Relatively large centrifugal forces are used, also in suspension components having essentially the same densities, in order ...
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JP4084848B2 |
The invention relates to a pump for pumping fibrous pulp suspension and separating gas from the suspension, comprising a pump casing with a pump casing chamber (4) with an axial inlet (17) and a radial outlet (6) for the suspension and a...
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JP4083576B2 |
A method of recycling bonded fibrous materials, the method includes the steps of: providing pieces of bonded fibrous materials, the pieces having sizes that are adapted for suspension in a liquid; suspending the discrete pieces of bonded...
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JP4080884B2 |
Apparatus for refining lignocellulosic material is disclosed having a pair of opposed co-operating refining elements intended for a disk refiner for the disintegration of the lignocellulosic material in a refining gap between two opposed...
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JP2008088594A |
To continuously and efficiently beat/disintegrate paper stock.In an apparatus for treating pulp, a twin-screw extruder E1 includes a cylinder 8, two screws 7 rotatably arranged in the cylinder, and a rotary drive mechanism 6 for rotating...
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JP4076722B2 |
Replacable refiner plates used for papermaking and refining of lignocellulosic and other natural and synthetic fibrous materials in the manufacture of paper, paperboard, and fiberboard products. The refiner plates include blade patterns ...
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JP4077522B2 |
Methods and apparatus are disclosed for refining lignocellulosic material between a pair of relatively rotary refining elements forming an annular outer refining zone and a central feed zone. The method includes feeding the lignocellulos...
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JP2008069485A |
To provide a method for producing a metallic fiber-dispersed paper, which includes dispersing the metallic fiber in a paper stock by a simple process, and making the paper from the paper stock containing the metallic fiber dispersed ther...
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JP4068665B2 |
Screening apparatus is disclosed for separating fiber suspensions comprising a housing having an inlet for the fiber suspension, a stationary tubular screen dividing the interior of the housing into a central chamber for receiving the fi...
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JP4064204B2 |
A screen apparatus comprises first cylindrical screen whose one of end surfaces is closed and other end surface is opened, the first screen is provided at its side surface with openings; second cylindrical screen (2) with openings; first...
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JP2008506859A |
A method of mixing at least two chemicals or additives into a process liquid flow flowing in a process liquid flow duct including: feeding a liquid jet to the process liquid flow in the process liquid flow duct, wherein the liquid jet is...
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JP2008038311A |
To provide a method for improving the bulkiness, surface property and dimensional stability of paper as a product through producing bulky pulp of a higher stiffness at a level of freeness equivalent to that in mechanical treatment by a b...
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JP4048258B2 |
Apparatus for screening waste paper pulp comprises a casing (1) with a pulp slurry inlet (2), an accept stock outlet (4) and a reject outlet (3). A rotor (5b; 5; 5c) carries a plurality of scraper blades (7) which are spaced from a cylin...
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JP4047806B2 |
A refiner system is disclosed including a first refiner element and a second refiner element adapted for mounting a refiner for relative rotation with a refining gap between them for processing lignocellulosic material, each of the first...
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JP2007534851A |
A wireless dual zone pulp washer with rotating concentric filters for creating centrifugal force against feedstock in order to expel liquid contained in the feedstock before further processing of the stock. A secondary filter surrounds t...
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JP4013870B2 |
A fiber/biodegradable resin composite material having high rigidity and high strength can be produced by dispersing a fiber component in a resin component finely and uniformly by a general-purpose kneading means without pretreatment of t...
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JP4015527B2 |
It is an object of the present invention to provide a screen apparatus having a function of dilute water which is suitable for a centripetal type screen which rotates inside the screen. A screen apparatus A comprises a tank 1 for receivi...
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JP2007532300A |
The present invention relates to a method, an apparatus and a rotor for homogenizing a medium. The invention may be utilized in all areas of industry where mere homogenisation of a medium or mixing of at least two flowing media is needed...
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JP2007254901A |
To provide a screening apparatus improving separation effects on foreign materials and fibers of good quality in a papermaking raw material. The screening apparatus 1 is obtained by dividing a vessel 3 into a first chamber 2A and a secon...
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JP2007239172A |
To reduce the abrasion caused by rotating heavy particles. The device for carrying out heavy particles is constituted as follows. At least one joining part 2 for direct or indirect joining is installed in a heavy particle-discharging par...
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JP2007231438A |
To provide a microfibrous cellulose excellent in papermaking property and/or water-holding ability and long in fiber length despite having a small fiber diameter. The microfibrous cellulose has the following properties: (1) The average f...
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JP2007224491A |
To provide a cleaning device that can achieve a high degree of screening efficiency, with a relatively low structural expenditure, with the wear of the elements being low and the scraping effect of the scraping device being high. The inv...
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JP2007224489A |
To provide a method economically and advantageously producing a screening device. The method for producing a rotationally symmetrical screening device comprises production of bent rod holders (1) having a radius of curvature smaller than...
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JP3972324B2 |
To provide a microfibrillated rigid straight-chain aromatic synthetic polymer obtained by microfibrillating a pellet-like rigid straight-chain synthetic polymer and to provide a method for producing the polymer. This method for producing...
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JP2007522354A |
A refining element for use in the refining of fibrous materials is disclosed in which the refining surface includes an inner portion and an outer portion defining a transition region between these two portions, a plurality of bars and gr...
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JP2007183566A |
To provide an image recording material support having excellent planarity and glossiness and stable good rigidity, a method for producing the image recording material support, and an image recording material.The image recording material ...
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JP2007516362A |
This is a device and a method for withdrawing cellulose pulp with a pulp concentration of 8-14% from a cylindrical storage tower. The storage tower has a plane bottom and with a diameter that exceeds 3 meters. A pipe is arranged through ...
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JP3925829B2 |
To provide a screen basket which is used for a paper-making plant and whose surface has more excellent abrasion resistance, more excellent corrosion resistance and longer life than those of conventional screen baskets. A nitride layer or...
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JP3921242B2 |
PCT No. PCT/FI97/00233 Sec. 371 Date Dec. 30, 1998 Sec. 102(e) Date Dec. 30, 1998 PCT Filed Apr. 15, 1997 PCT Pub. No. WO97/39181 PCT Pub. Date Oct. 23, 1997Pulp is effectively and simply fed into a pulp tower using at least one feed pip...
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JP2007513267A |
A screening apparatus for screening pulp suspensions is disclosed, comprising a housing, a screen basket having a tubular mantle wall with screen apertures, the mantle wall dividing the interior of the housing into a central chamber and ...
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JP2007113169A |
To provide a screening device for the wet screening of a paper fiber suspension, having a simple structure and containing a screen surely and simply fixed in the device.A screen plate 1 is separably fixed to an outer supporting ring 6 an...
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JP2007113138A |
To provide a refiner improving beating efficiency of pulp.The refiner 1 is a refiner 1 designed to beat the pulp between a stator 4 and a rotor 3. Furthermore, the rotor 3 is a conical form having each linear groove 31b between linear ba...
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JP2007100246A |
To provide a method for carrying out pretreatment of a fiber raw material by which cellulose microfibril can efficiently be produced from a fiber raw material consisting essentially of a wood pulp and/or a cellulosic fiber.In a grinding ...
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JP2007501124A |
Refining elements for use with disc refiners for the processing of fibrous materials are disclosed. The refining element include a refining surface having a plurality of bars and intermediate grooves, with the bars having an upper surfac...
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JP2007016377A |
To provide a disk type filter apparatus which is hardly clogged and can continuously treat without stopping its operation, and to provide a paper recycling system using the filter apparatus.This disk type filter apparatus for continuousl...
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JP2007002354A |
To provide a drum type filtering device without requiring a bulk showering water in cleaning paper stock slurry which is not liable to coagulate and to provide a paper stock reproducing system utilizing the same.The invention relates to ...
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