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United States Patent 0 " 1 3,536,582 ADJUSTABLE NOZZLE HEADBOX FOR A PAPER MACHINE John S. Amneus, Cincinnati, Ohio, assignor to The Procter & Gamble Company, Cincinnati, Ohio, a cor poration of Ohio Filed Aug. 3, 1967, Ser. No. 658,152 Int. Cl. D21f 1/06 U.S. Cl. .

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The Pulp and Paper Making Processes

the ''wet end* of the paper-forming machine. In the paper making process, the dilute stock passes through a headbox that distributes the fiber slurry uniformly over the width of the paper sheet to be formed. The "web" of fiber that will make the new paper sheet is formed on a continuously moving

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Interactive Solution Approach to a Multiobjective ...

Namely, an optimal shape design problem related to the paper machine headbox is studied. First, the NIMBUS method, the numerical headbox model, and the associated multiobjective optimization problem are described. Then, the results of numerical experiments are presented.

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Paper Machine Approach System Headbox Screen, Integra ...

7. Paper machine approach system headbox screen equipped with Korea automatic oil injection device, Finland seal water flow automatic detection alarm device. Any more details about paper machine approach system headbox screen, welcome to contact us: [email protected]

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Headbox Optimization - Honeywell

To enhance the performance of a paper machine, it is important to minimize the number of rejected and de-valued products. Such losses are the result of limited mechanical control of the headbox. Honeywell's professional headbox optimization services address these .

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POM Paper Machine Approach Systems | AFT

POM® patented wet-end technology replaces conventional chests and silos for a smaller footprint providing chemical savings, improved Headbox drainage .

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Optimal design of paper machine headboxes - Hämäläinen ...

Dec 21, 2000· E-mail address: [email protected] Department of Mathematical Information Technology, University of Jyväskylä, PO Box 35, FIN‐40351 Jyväskylä, Finland. Search for more papers by this author

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TAPPI - TIP 0404-54 - Headbox approach piping guidelines ...

This Technical Information Paper provides guidelines for design of paper machine headbox approach piping between the machine chest discharge and the headbox. The approach system has a significant influence on uniformity of the final sheet of paper. The goal of this TIP was to compile information on current approach piping guidelines from ...

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Paper Machine System Diagram - TMEIC

Paper Machine One-Line Size Press Head Box Driven roll Mechanical Components of Paper Machine ... Head Box / Fan Pump The Paper stock at this point in the process is 99% water and 1% fiber. The Fan Pump forces the Paper stock through a set of nozzles in the head box onto the "wire" mesh. The fan pump speed is a major factor

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POM Paper Machine Approach Systems | AFT

POM® patented wet-end technology replaces conventional chests and silos for a smaller footprint providing chemical savings, improved Headbox drainage .

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US Patent for Method and apparatus for headbox jet ...

The velocity of a liquid jet, such as the headbox jet of a paper making machine, is measured by cross-correlation of a.c. signal components produced by a pair of light beams received by a pair of photodiodes. The light is supplied by a single source, an incandescent lamp, and is guided by a pair of bifurcated fiber optics mounted above the jet and spaced apart in the flow direction.

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Paper Machine Refining - Convergence Training

The main purpose of most paper and board machine refining is to improve certain sheet properties, including strength and density-related properties. What happens to the fibers during refining? The fiber cell walls are delaminated, allowing them to absorb more water and increasing their flexibility.

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Paper machine - Wikipedia

A paper machine (or paper-making machine) is an industrial machine which is used in the pulp and paper industry to create paper in large quantities at high speed. Modern paper-making machines are based on the principles of the Fourdrinier Machine, which uses a moving woven mesh to create a continuous paper web by filtering out the fibres held in a paper stock and producing a continuously ...

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Apparatus for stabilizing the jet flow exiting a headbox ...

May 22, 1990· A method and apparatus for controlling fiber orientation misalignment in the paper web in the paper machine headbox is disclosed in Valmet Oy's Finnish patent application Nos. 844276 and 850638. In the method of the Finnish application No. 844276 medium flows are introduced at both opposite edge areas of the flow channel thereby controlling the ...

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Paper Machine Approach System Headbox Screen, Integra ...

7. Paper machine approach system headbox screen equipped with Korea automatic oil injection device, Finland seal water flow automatic detection alarm device. Any more details about paper machine approach system headbox screen, welcome to contact us: [email protected]

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FORMER SECTION|PAPER MACHINERY|Kobayashi .

FORMER SECTION . Based on both our independently-developed technology and world-class technology, under technical license with leading paper machinery manufacturers in USA, we could offer you state-of-the-art headboxes and formers, applicable to all grades of paper and paperboards.

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TUNI

4 PULSATION IN PAPER MACHINE APPROACH PIPING AND HEADBOX 47 4.1 Paper machine measurements 47 4.2 Volume flow rate oscillation in long rigid pipeline 48 4.3 Rigid vs. FSI solution in straight pipe 48 4.4 1D rigid model equations for paper machine system 50 4.5 Laboratory measurements and analysis of tapered channel – manifold system 52 4.6 ...

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Fourdrinier - an overview | ScienceDirect Topics

The Fourdrinier, or flat wire machine, is a paper machine with a horizontal, moving, fine mesh, woven wire cloth or plastic fabric upon which the pulp slurry is deposited, forming the web (Fig. 5.8).The front side or tending side is the side from which the paper machine is controlled, whereas the other side is the backside or drive side.

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Topic 12 - Papermaking - Approach Flow - Lecture.ppt

Approach Flow –Distributor Pipes are used to straighten flow Need to be 7-10 pipe diameters long Also use recirculation White water system balance To better understand the wet-end of the papermachine and its response to changes we should examine a material balance across the machine Pulp Processing Short circulation Long circulation

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Paper Machine Head Box - Head Box for Paper Mill ...

The stock slurry, often called white water at this point, exits the headbox through a rectangular opening of adjustable height called the slice, the white water stream being called the jet and it is pressurized on high speed machines so as to land gently on the wire at a speed typically between plus or .

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Specialty Paper Machines | Voith

The paper manufacturer Ahlstrom-Munksjö is a premium manufacturer of decor paper. Munksjö merged with the Finnish specialty paper manufacturer Ahlstrom on April 1, 2017. The paper mill now works under the name of Ahlstrom-Munksjö Paper and operates a total of two paper machines (PM 1 and PM 3) at its site in Unterkochen, Germany.

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Headboxes - an overview | ScienceDirect Topics

Neusiedler mill, Mondi Business Paper, in Austria are the only paper mills today using the three-layer technique for paper with a grammage of 80–90 g/m 2 with a headbox from Voith Sulzer. One of their products is a multi-ply office paper called Triotec, with office waste fibers in the middle ply and low or nonchloride bleached fibers on the ...

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TUNI

4 PULSATION IN PAPER MACHINE APPROACH PIPING AND HEADBOX 47 4.1 Paper machine measurements 47 4.2 Volume flow rate oscillation in long rigid pipeline 48 4.3 Rigid vs. FSI solution in straight pipe 48 4.4 1D rigid model equations for paper machine system 50 4.5 Laboratory measurements and analysis of tapered channel – manifold system 52 4.6 ...

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US Patent for Method and apparatus for headbox jet ...

The velocity of a liquid jet, such as the headbox jet of a paper making machine, is measured by cross-correlation of a.c. signal components produced by a pair of light beams received by a pair of photodiodes. The light is supplied by a single source, an incandescent lamp, and is guided by a pair of bifurcated fiber optics mounted above the jet and spaced apart in the flow direction.

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Board Machines | Voith

In February 2017 Bohui Paper Group contracted Voith to supply a new board machine. The BM 4 will be built at Dafeng in the Chinese province Jiangsu and following completion will be one of the largest board machines in the world. Voith will supply the complete XcelLine process line from wet end process to .

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ON THE RESEARCH AREAS OF APPROACH FLOW SYSTEMS .

to the coating and headbox analyses for our paper industries. ... operation of the entire paper machines with higher and higher machine speeds. ... approach pipe systems [32] and to provide the ...

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Paper machine headbox and approach flow system - Valmet Oy

Feb 14, 1989· The approach pipe system of a paper machine headbox is depicted in FIG. 1, as comprising a feed pump 10 for the headbox and a pipe 11 on a pressure side thereof, this pipe branching into pipes 14a and 14b. The pipe 14b incorporates a valve 12 and a by-pass valve 13.

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Paper Technology - Pulp and Paper Industry - Bellmer

Paper Technology stands for innovative and efficient solutions for your paper production. From the approach flow via the wire section, press part and drying section up to the pope reel, complete paper machines can be supplied ready to use. Based on our experience, we develop machine building solutions with integrated control technology.

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Shop Talk: Paper Machine and Additive System Boilouts

portion of the machine system when ther e is not enough time to do a complete boilout.Bubble-up cleaning focuses on the zone between the secondary fan pump/screen and the headbox.This approach is a time-saving operation that can be done in lieu of a full boilout if most of the problem is located in the headbox approach.

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Headbox Screens | AFT

Outflow headbox screening. The MaxFlow™ HB headbox screen is a high-efficiency outflow screen. The unit typically includes an EPx rotor and MacroFlow™ slotted screen cylinder or a Drilled cylinder. The specific rotor and cylinder selection will depend on the fiber furnish and the quality specification for the paper being manufactured.

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CD Actuator Systems - Honeywell Process

Cross-Direction (CD) control for paper machines is aimed at reducing the CD variation of the paper web as it is being made. Honeywell offers both the custom CD Actuator System hardware and interface and advanced software control components as part of the Experion MX system.

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