We Have More Than 40 Years of Experience.
  • 24-hour service
  • Zhengzhou, China
Blog
  1. Home >
  2. Blog Detail

Paper board of pressure drying machine

Mar 02, 2021

Drying section is an important part of paper machine. It is used for dewatering the paper page. Drying Section includes dryers, Doctors, Blade Magazine, Frame, walkway, pre-piping, etc. Effect of Drying Section. 1. Dry the paper page; 2. Improve the paper strength; 3. Improve paper smoothness; 4. Finish sizing process

Get Price

Popular products

  • Fundamentals of Paper Drying Theory and Application
    Fundamentals of Paper Drying Theory and Application

    thermal energy of a paper machine. Other important facts about the dryer section and paper drying are the dryer section constitutes approximately 60% of the total length of a paper machine, except for a tissue machine; and almost 40% of total capital cost of the machine. The lack of knowledge about drying also persists in the mills

  • TIP 0404-07 Paper machine drying rate - Micronexx
    TIP 0404-07 Paper machine drying rate - Micronexx

    Nov 14, 2017 Paper machine drying rate . Scope This TIP outlines procedures for calculating paper machine drying rates for coated and uncoated papers and provides drying rate curves. The objective of the TIP is to define rate of water removal on a common basis for mills to use to compare a particular machine to past performance and to other machines

  • How Wet Press Residence Affects Paperboard Strength
    How Wet Press Residence Affects Paperboard Strength

    higher press pressure or both. Introduction . The paper industry continues to de velop new procedures for more effective water removal in the wet press section of the paper machine. The primary goal is to reduce the evaporative heat load in the dryer section, thereby decreasing produc tion costs. The high-intensity press

  • Wet-end to Dry-end of the Paper Machine | by Lucas Moyer
    Wet-end to Dry-end of the Paper Machine | by Lucas Moyer

    May 12, 2017 The Drying Section. Water is further removed by evaporation in the drying section. This is the largest part of the paper machine and has the largest capital cost. Performance is measured by the

  • (PDF) 35 Drying of Pulp and Paper - ResearchGate
    (PDF) 35 Drying of Pulp and Paper - ResearchGate

    The rst practical paper machine was produced in the early 1800s; then continuous drying techniques were introduced to the industry by means of cylinder drying in 1817 by John Dickinson; later, in

  • Effect of High Temperature Drying of Recycled Paper
    Effect of High Temperature Drying of Recycled Paper

    Cylinder Drying: In conventional paper drying, iron drums 5 to 6 ft in diameter are heated with steam. Due to ASTM pressure codes, the steam pressure is limited to 160 psig (1) or about 190 oC. Resistance to heat transfer from the condensing steam in the dryer cylinder to the paper includes the condensate layer, scale, the metal shell, and the

  • Papermaking OVERVIEW AND INTRODUCTION 1
    Papermaking OVERVIEW AND INTRODUCTION 1

    drawn off over the width of the paper machine into the headbox. Stock leaving the headbox is made into a sheet by filtration. The fibrous mat is called a wet web, which is pressed, dried, and wound into a reel of paper on the paper machine. Paper machines may vary in width from about 5 to over 30 feet, and operate at speeds up to 1800 m/min

  • Troubleshooting delamination issues on the corrugator
    Troubleshooting delamination issues on the corrugator

    pressure roll machines and 250 F on belted machines. The ... leave a streak, which appears as a dry streak in the machine direction. If the starch gel temperature is running high, or the paper is cooler ... board on the double backer side of the sheet as with the single face. Again, the gel temperature of the starch needs

  • Paper Mill Machinery - Pulp Mill Machinery, Paper Mill
    Paper Mill Machinery - Pulp Mill Machinery, Paper Mill

    Supplier of paper mill machinery, pulp mill machinery, pulp making machines, pulp making machinery, head box, pulp and paper machine, pulp and paper machinery, pulp mill equipment, pulper with belt conveyor, pope reel, wire part, high consistency pulper, pulper gear box drive, high density cleaner, motorized high density cleaner, non motorized high density cleaner

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

    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 Marking 143 5.20 Future Development of Pressing 143 References 147 CHAPTER 6 – DRYING OF PAPER 6.1 Cylinder Drying 149

  • Paper Machine Drying - Convergence Training
    Paper Machine Drying - Convergence Training

    Learn more about Paper Machine Drying Course at Vector Solutions. Download catalog and a request a demo and pricing

  • Showers for Pulp & Paper | Spraying Systems Co
    Showers for Pulp & Paper | Spraying Systems Co

    Paper manufacturers look to Spraying Systems Co. for all the showers and spray technology needed for a range of operations — from the wet end to the dry end of the paper machine. Wet-End Showers Our range of built-to-order showers for the wet end of paper machines are ideal for fabric cleaning, lubrication, chemical showers and more

  • DRYING SYSTEMS AND NEW TECHNIQUES FOR Key
    DRYING SYSTEMS AND NEW TECHNIQUES FOR Key

    Drying systems for coated paperboard applications often seem ... pressure to improve the coated surface to meet printability and appearance requirements. This is a result of the necessity of ... products and the recent trend towards “on-machine” coating operations has in turn brought with it a requirement for. 2

  • Steam and condensate system performance - explanation
    Steam and condensate system performance - explanation

    The purpose of a paper machine steam and condensate system is to control steam pressures for optimum drying, provide stable control over the entire operating range and efficiently remove condensate from inside the dryers. The comments below are a collection of performance tips for keeping your S&C system up & running at maximum capacity

  • T409sp15 Machine direction of paper and paperboard
    T409sp15 Machine direction of paper and paperboard

    4.1 The two directions of paper or paperboard are defined as: 4.1.1 Machine direction, the direction of a paper or paperboard corresponding or parallel to the direction of flow of the stock along the paper machine. 4.1.2 Cross direction, the direction of a paper or paperboard at right angles to the machine direction. 5. Apparatus

  • Papermaking PAPERMACHINE – PRESSING 1
    Papermaking PAPERMACHINE – PRESSING 1

    The paper web formed on the wire part or the forming section passes onto the press section. Pressing of the web on the paper machine follows entering of wet web through the nip of two rolls running under pressure. Under the effect of pressure between the

  • (PDF) New developments in paper and board drying
    (PDF) New developments in paper and board drying

    Very high drying rates, up to 400 kg/m2h, were achieved for a board dried from three initial solids contents, 41%, 47% and 62%, using two nip loads, 50 kN/m and 100 kN/m. The board dried by

  • PrimeDry technologies for paper and board - ANDRITZ
    PrimeDry technologies for paper and board - ANDRITZ

    PrimeDry technologies for paper and board. We offer a broad range of technologies for paper and board machines meeting the challenges of drying and ventilation head-on: highest drying capacity, lowest energy consumption, and environmentally friendly production. With more than 50 years of experience in all kinds of paper and board operations

  • Drying Cylinder for Paper Machine - Paper Making
    Drying Cylinder for Paper Machine - Paper Making

    Leizhan drying cylinders can evaporating water effectively while protecting paper fibers. Apart from drying machine, Leizhan also provide other spare parts for paper making process, like reeling machine, calender, sizing machine, press roll, felt leading roll, doctor holder, stretcher, cylinder mold, gear, foundation plate, felt, etc

  • DRYING OF PAPER – AN OVERVIEW, THE STATE OF
    DRYING OF PAPER – AN OVERVIEW, THE STATE OF

    The following are the drying methods commonly used in paper and board machine applications [8]: • Multi-cylinder drying – Printing papers and base papers – Boards • Yankee cylinder drying – Soft tissues (wet and dry crepe) – Boards • Through air drying (TAD) – Soft tissues • Airborne drying or nozzle drying (air

  • Valmet cylinder drying for all your needs
    Valmet cylinder drying for all your needs

    Valmet cylinder drying family features optimized steam consumption with effective ventilation and heat recovery for energy-efficient operation. As the efficiency of the entire machine is affected by the runnability of the dryer section, open draws are minimized and the wet web is well supported at the beginning of the dryer section

  • Papermaking PAPERMACHINE – DRYING Introduction
    Papermaking PAPERMACHINE – DRYING Introduction

    On a paper machine, drying is accomplished by passing the web around a series of steam-heated cylinders. There are about 40 to 70 dryer cylinders on a typical paper machines, and this is by far the largest part of a papermachine

  • Valmet press sections for reliability and quality
    Valmet press sections for reliability and quality

    Wet pressing increases sheet dryness in order to ensure adequate paper machine drying capacity and to improve web runnability at the beginning of the dryer section. The press section also has a major impact on sheet surface properties such as roughness and absorption, and indirectly also on bulk

  • Steam and Condensate for papermachines
    Steam and Condensate for papermachines

    However, about 90% of all paper machines use overheated steam, because there is no alternative as a result of the construction of the steam and condensate system. Why? First a short description of the function of the dryer as a rotating heat exchanger for paper drying. The dryer as heat exchanger Dryers of paper machines are only tube heat

Latest New