• (PDF) Vacuum Dewatering During Paper Manufacturing

    tion couch roll (couch roll is a vacuum assisted roll used after the vacuum boxes during commercial paper making; sheet consistencies and applie d vacuum levels in the couch roll are higher than ...

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  • Paper Machine Doctors Training Video

    Double doctors are often used on the suction couch roll to improve moisture profile and runnability, minimize rewet of the sheet, and keep the roll shell clean. The first blade removes surface water and creates a vacuum pulse that pulls water out of the roll holes. This water is .

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  • suction couch roll list - suction couch roll for sale

    Suction couch Roll for papermaking machinery Roll Body: Q235B reel pipe; thickness:25mm ; the thickness of the finished product wall is 20mm ... 1000m/min 4.Balancing Quality: G4 Suction Couch Roll The paper making suction roll takes place at the end of forming wire. The paper making suction couch roll .

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  • Pap-Tech Suction Couch Roll At Paper Machine, Model Name ...

    Suction Couch Roll is helpful in increasing the speed of the machine and is highly helpful in increasing dryness of paper at high speed. We also supply Suction Return Drum, Suction Pickup Roll in any Diameter as per your requirement. We provide all these rolls in SS-304 material. Features: SS fabricated with frame proper stiffeners with MS ...

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  • China Paper Mill Couch Roll for Paper Making Machine ...

    Sun Hong paper machinery is professional manufacture of rolls,focus on paper and pulp Industrial over 15 years. Product Name Suction press roll,breast rolls, Vacuum Rolls, Vacuum chill rolls, couch roll,rubber rolls, wire guide roll,Suction transfer rolls

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  • Leading pulp and Paper Machinery Supplier for Paper ...

    Alliance International is a leading paper machinery supplier. We are leading suppliers of of consumables, components, assemblies and new and used paper machinery. We represent well-known paper machinery manufacturers in the pulp and paper industry who are known for their quality and reliable products.

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  • China Paper Machine Couch Roll, Paper Machine Couch Roll ...

    Sourcing Guide for Paper Machine Couch Roll: China manufacturing industries are full of strong and consistent exporters. We are here to bring together China factories that supply manufacturing systems and machinery that are used by processing industries including but not limited to: vacuum roller, roller, couch roll.

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  • Paper Mill Divison - Paper Mill Machinery Manufacturer ...

    Suitable for Machine speed of 120 MPM ; Least Profile Variation ; Very good formation and sheet pickup of 3 5 GSM to 120 GSM ; Zero fiber loss due to rubber cord sealing. Better dewatering with Air suction on the wire. Adjustable Couch roll off center. SS Suction knife for removal of water at couch nip.

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  • Roll, Paper Making Roll - Always Machinery

    It is adapted to the high working speed paper machine, high speed rewinder and slitter cutter. Rubber surface bow roll is wear resisting and long life. The material of the sides of the roll is special structure. It can keep the rubber tube not contractive. Suction Roll. Suction Rolls, Suction breast rolls, Forming suction rolls, Suction couch ...

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  • Sami paper machine improvements - SlideShare

    Jun 21, 2016· INTERNAL TrimBox Trim Suction Boxes Applications: Ÿ Small suction boxes located under the pick-up roll on the forming section – Both on the front and back side of the machine Main features: Ÿ Ensure that the edge trims follow the fabric down to the couch pit instead of following the felt to the press section – Prevent possible felt ...

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  • EvoFlow | Voith

    EvoFlow suction roll shells and suction boxes are made of stainless and acid-resistant steel. For long-term use in the corrosive environment of the paper machine wet section, Voith uses only duplex stainless steels for the roll sleeve. The combination of material and gun-drilled shells is essential.

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  • suction couch roll list - suction couch roll for sale

    Suction couch Roll for papermaking machinery Roll Body: Q235B reel pipe; thickness:25mm ; the thickness of the finished product wall is 20mm ... 1000m/min 4.Balancing Quality: G4 Suction Couch Roll The paper making suction roll takes place at the end of forming wire. The paper making suction couch roll .

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

    Breast Roll 41 Deckle Rulers 41 Forming Board 41 Table Rolls 42 Foils (Foil blades) 42 Wet Suction Boxes 44 Dry Suction Boxes 44 Dandy Roll 45 Couch Roll 47 Couch Press 48 Wire Turning Roll 49 3.2 Closed Transfer 49 3.3 Forming Fabric 50 Fabric Designs 50 Seaming 51 Fabric Quality 52 3.4 Auxiliary Rolls 54 Guide and Stretch Rolls 54 Bowed Roll 56

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  • Double layer kraft paper machine, Paper Machine Manufacturer

    Forming section : Double layer include top layer and bottom layer, The main components are consist of breast roll, forming board, dewatering board, vacuum box, composite roll, suction couch roll, wire drive roll, wire guiding roll and paper machine framework.

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  • Wuxi Honghua Paper-Making Machinery Co., Ltd

    Vacuum Suction Transfer Roll : Guangzhou Paper Mill: 3150,3300 import machine vacuum roll; ... : 3200 Paper Vacuum Roll ... Shandong Changhua paper-making machinery, Linqing Yinhe Paper ... More case Wuxi Honghua Paper-Making Machinery Co., Ltd of the Yangtze River Delta, the heart of Shanghai Economic Zone, is located the shore of Taihu Lake ...

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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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  • Rolls, Suction Rolls, Calender Rolls

    EDGE Wallboard Machinery Company has over 40 years experience manufacturing the highest quality suction rolls. Since building our first roll in 1956 we have designed and built rolls ranging from non-driven fixed opening suction felt rolls to variable width, variable length suction forming rolls.

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  • China Suction Press Breast Roll for Paper Machine - China ...

    Press Breast Roll, Roll, Press Roll manufacturer / supplier in China, offering Suction Press Breast Roll for Paper Machine, Paper Machine Ceramic Cleaner Cone for Paper Mill, Paper Machine Making Clothing Mg Felt for Paper Mill and so on.

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  • Troubleshooting paper machine vacuum systems: part I: low ...

    Sep 01, 2001· Another vacuum-related problem could occur due to partially plugged holes in the shell of suction rolls. The plugged boles cause higher resistance to airflow and result in an unrealistically higher vacuum level. Mills where adjustments in refining are made based on couch vacuum may under- or over-refine due to couch roll problems.

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  • Used Paper Machine Rolls - Perry Videx LLC

    188″ Face X 38″ Diameter Beloit Suction Couch Roll. Stock #785-SC-2. Used Beloit suction couch roll, 188″ drilled face, 201.5″ overall face, 230″ bearing centers, 38″ diameter, 5/8″ hole diameter, 7/8″ shell thickness, rubber cover, spare. Rebuilt by Hamilton machine, year 2010. Rebuilt so5355. Location: Northeast USA. Add to ...

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  • Paper Making Machinery, Writing And Printing Paper Making ...

    Paper Making Machinery Automation: Sectional Drives - Load Sharing between Forward Roll and Suction couch - Dandy Roll synchronization - Progressive Draw control with Group or individual mode as well as forward or backward control selection

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  • Making Paper - The Paper Machine

    After the dandy, more water is removed by the remaining suction boxes, the edges are trimmed off by continuously flowing squirts of water, and after passing the suction couch the sheet goes to a series of press rolls. When the paper leaves the couch roll it contains 80—85 per cent of water, is very easily damaged, and will support its own ...

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  • China 2600 mm Kraft and Corrugated Paper Machine - China ...

    I. Equipment overview 1. 2600/80 Paper making machine applicable to raw material for the wood pulp, waste paper pulp etc to production the 200-500g/m2 paperboard. ... couch roll, vacuum turn back roll, guide roller, vacuum suction water tank, spray water pipe, machine frame, etc . 1. Wove mould

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  • Valmet Couch Roll, 213.5" length, 35" Diameter

    Valmet Couch Roll, 213.5" length, 35" Diameter. More Photos Class: Paper Machine Components » Rolls » Suction » Couch Manufacturer: Valmet Materials: Bronze Part Number: 39023 Qty: 1 Description: Valmet Couch Roll, 213.5" Length, 35" Diameter, With 400 Hp Dc Drive Motor . 0 items in ...

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  • China Paper Machine and Pulp Machine Supply and Paper Mill ...

    China Paper Machine and Pulp Machine Supply and Paper Mill Service for Upgrade or Rebuild and Solution, Find details about China Paper, Paper Machinery from Paper Machine and Pulp Machine Supply and Paper Mill Service for Upgrade or Rebuild and Solution - Weifang Greatland Machinery Co., Ltd.

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  • Used Paper Machine Rolls - Perry Videx LLC

    188″ Face X 38″ Diameter Beloit Suction Couch Roll. Stock #785-SC-2. Used Beloit suction couch roll, 188″ drilled face, 201.5″ overall face, 230″ bearing centers, 38″ diameter, 5/8″ hole diameter, 7/8″ shell thickness, rubber cover, spare. Rebuilt by Hamilton machine, year 2010. Rebuilt so5355. Location: Northeast USA. Add to ...

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  • Paper Mill Machinery & Used Equipment

    If you're looking to buy used paper mill equipment machinery or paper mill machinery, you've come to the right place. Northwest Pulp & Paper Equipment LLC has the largest supply of surplus & used paper mill equipment and machinery on the west coast.

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  • Paper Manufacturing - Surrency Studios

    This section consists of the head box, the forming wire, foils, suction boxes, couch roller, breast roller and dandy roll. Pulp is pumped from the machine box through the screens and cleaners to the head box. The purpose of the head box is to deliver a uniform slurry to the forming wire.

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  • The Paper-Making Machine | ScienceDirect

    The paper-making machine of today is something that is taken for granted and about the origin or the tremendous amount of work and ingenuity of which little is known. The man who first put into practice the idea of making paper mechanically in long lengths and who produced a machine on which to do it was a Frenchman named Nicolas Louis Robert ...

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  • Paper Manufacturing - Surrency Studios

    This section consists of the head box, the forming wire, foils, suction boxes, couch roller, breast roller and dandy roll. Pulp is pumped from the machine box through the screens and cleaners to the head box. The purpose of the head box is to deliver a uniform slurry to the forming wire.

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  • China Paper Machine Rolls,Suction Press Roll,Vacuum Couch ...

    Product categories of Paper Machine Rolls, we are specialized manufacturers from China, Paper Making Rolls, Vacuum Press Roll suppliers/factory, wholesale high-quality products of Vacuum Couch Roll R & D and manufacturing, we have the perfect after-sales service .

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  • PAPERMAKING - PAPTAC

    passed over suction boxes with progressively higher levels of vacuum to induce drainage. The wet sheet is exposed to the highest level of vacuum as it travels over the final element of forming fabric, namely perforated couch roll that contains inside a containing a vacuum box. The fibre mat laving the former has a consistency of 13% to 25% and ...

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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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