• Optimization of water removal in the press section of a ...

    In a paper machine, specifically in the press section, there are two important points: the felts, whose function is to carry the wet web through the press nip (Farouk, 1991), and the NIP, which is the contacting zone between two rolls, where the water is transferred from the web to the felt. In the press section, which is the object of this ...

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  • Paper Machine Vacuum Systems - Convergence Training

    Vacuum systems perform three main functions on paper and board machines. In the forming section, vacuum is used to help de-water the stock as the sheet forms. In the press section, vacuum is used to de-water and clean the press felts, which in turn remove water from the sheet.

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  • Felt, Press Felt, Feltweave,Papermaking Felt Supplier

    Press felt is widely used for various paper making machine, like stationary paper machine, paperboard machine, kraft paper machine, fluting paper machine, etc.. We're here to help: Easy ways to get the answers you need.

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  • Optimization of water removal in the press section of a ...

    In a paper machine, specifically in the press section, there are two important points: the felts, whose function is to carry the wet web through the press nip (Farouk, 1991), and the NIP, which is the contacting zone between two rolls, where the water is transferred from the web to the felt. In the press section, which is the object of this ...

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  • Felt press machine models for manufacturing paper - .

    9/26/2016· Felt press machine models for manufacturing paper. ... Fourdrinier paper machine forming section - Duration: 1:46. TDM Paper Machine 9,700 views. 1:46. Acrylic Felt vs Wool Felt ...

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  • Paper Making 101: Inside Our Paper-Making Process - DOMTAR ...

    Aug 22, 2016· The paper is squeezed through rolls in continuous blankets called wet felts. Wet felts support the sheet, which is still 60 percent water, on its way to the dryers. Drying and Sizing. The dry end of the paper machine consists of the dryer section, size press, calendar stack, reel and winder.

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  • 8 Paper Machine Troubleshooting - AstenJohnson

    paper machine. Although it is difficult to list all possible causes for all machine types, these lists can be used to provide guidance in troubleshooting most equipment. 8 1 Forming Section Troubleshooting Guide Symptom Areas to Consider Barring • Condition of rolls (vibration) • Seals on couch roll • Vibration on all machine elements

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  • Paper Machine System Diagram - TMEIC

    Paper Machine System Diagram Forming Section Press Section Dryer Sections Calender Reel Paper Machine One-Line Size Press Head Box Driven roll Mechanical Components of Paper ... squeeze the water out of the sheet of paper. Multiple rolls are used with a felt (blanket) supporting the sheet and accepting the water from the sheet.

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  • Paper Machine - SlideShare

    Jun 22, 2012· Press section • Purpose: – Mechanical de-watering of the moist fibre suspension • Process: – The paper web is supported by two felt rolls pressing the paper – The last roll is commonly known as the „German press" without felt – Press nips increase the proportion of dry material to approx. 55% At maximum press nip the dry ...

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  • Paper Machine - SlideShare

    6/22/2012· Press section • Purpose: – Mechanical de-watering of the moist fibre suspension • Process: – The paper web is supported by two felt rolls pressing the paper – The last roll is commonly known as the „German press" without felt – Press nips increase the proportion of dry material to approx. 55% At maximum press nip the dry ...

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  • Scan Machineries - Paper and Pulp Machinery Manufacturer

    We design and manufacture complete paper production lines, paper mill turnkey projects, complete paper machines, wetlap machines, paper machine sections, automated plants, paper machinery, pulp machinery, stock preparation, headbox, wet end section, press section, dryer section, size press, coating section, calender section, pope reel, winders ...

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  • Breaks of the Web (Troubleshooting Guide)

    Breaks of the paper web (Dry-end, Size press, Wet-end) BREAKS of the paper web can have various causes, many of which have little to do with wet-end additives. For instance, the drives of the paper machine may be unstable or poorly adjusted. Some detective work may be needed to determine why the paper web is breaking.

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  • Paper making dryer fabrics: function, selection ...

    Oct 23, 2016· When paper web exceed press section of a paper machine, it contains more than half of its weight is water. Most of this water of the paper web should be removed in the dryer section of the paper machine to ensure 4%-6% of final water content. The drying section is one of the most energy consuming parts (about 60%) of the paper machine.

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  • Paper Defects and Defects in Paper - Pulp and Paper ...

    Felt Mark A paper defect caused by dirty or poor surface condition of wet felt in press section. It appears as spot or thin area on the sheet. Fiber Clumps Small pieces of fiber bundles loosely adhered to the surface of the sheet. Fish Eye or Eye

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  • Products for making paper Press felt | ICHIKAWA

    The press felt plays an important role in removing the water from the paper web after the forming section, and at the same time imparting smoothness and conveying it to the dryer section. For this reason, the press felt needs to provide the following functions: .

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  • Feltest Equipment BV

    Forming fabrics, press felts, dryer screens - Paper Machine Clothing is yet another variable in a paper machine. Even assessing the performance of a trial can be a hard job. Feltest offers the tools and the knowledge you need to get the best of your Paper machine Clothing.

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  • Voith | Paper machines

    Today the One Platform concept is applied to all Voith paper machines. For every paper grade, we offer a standard concept that is then optimally adapted to the individual modules and components of the system. Perfect design, coordination and reliability of all secondary systems are all part of the concept.

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  • Products for making paper Press felt | ICHIKAWA

    Paper making machines are becoming bigger. In response, we develop our own technologies, and thoroughly control quality, to deliver products with advanced functions. The press felt plays an important role in removing the water from the paper web after the forming section, and at the same time imparting smoothness and conveying it to the dryer ...

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  • GUIDELINES FOR Cleaning and Conditioning Paper Machine ...

    The type and use of a felt conditioning system has a pro-found effect on the runnability of the felt and the press section of the paper machine. The first step in an effective felt conditioning program is an in-depth analysis of the felt contaminants present. Based upon this analysis, an optimum felt conditioning program involving both a ...

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  • Paper Machine Design and Operation--Descriptions and ...

    "Paper Machine Design and Operation--Descriptions and Explanations" By Gunnar Gavelin Seamed Press Felts 139 Felt Suction Boxes 140 High-Pressure Showering 140 Cost of Paper Machine Clothing 140 5.18 Vacuum Pumps 140 Water-Ring Vacuum Pump 140 Water-Ring Pump Heat Recovery 141 Turbo Compressor 142 5.19 Pressi ng and Paper Quality 143 Shadow ...

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  • Tensioning devices and guides | Voith

    SensoTension LC measures the exact tension of clothing in the wire, press and dryer section. Control signals are present to directly guide the tensioning device and therefore ensure constant belt tension. Unlike conventional belt force sensors, SensoTension LC is dual-channel in its design and thus ensures a constant tension for your paper machine.

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  • Press Felt Treatments & Cleaning | Paper & Pulp

    Press Felt Treatments & Cleaning; Product Catalog The press fabric is the heart of the paper machine. An efficient press section dramatically enhances the capabilities and efficiency of a paper machine. DuBois has more solutions for enhancing the performance of press fabric than any other paper chemicals supplier. DuBois will conduct a complete ...

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  • Press felt – Paper Machine Clothing & Filter Belts

    Nov 12, 2018· Chemical press felt cleaning in the press section. The batt-fibers act as a type of filter and retain impurities from the production process. This is unavoidable, but such soiling can lead to a variety of problems. In most cases, these relate to a loss of paper quality.

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  • Paper Machine Suction Rolls & Roll Covers - Convergence ...

    Though their design and construction are very similar, suction rolls perform several different functions on paper machines, depending on their position. They can be used to remove water from the sheet, transfer the sheet, improve dewatering in a press nip, dewater a felt.

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About us

Founded in 1982, Dekelon Paper Making Machinery Co.,Ltd. has always striven to meet and exceed customer expectations and continue to update and improve...

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