Essays about: "Headbox"

Showing result 1 - 5 of 7 essays containing the word Headbox.

1. 1. Multivariable analysis for studies of the origin of residual peroxide

   University essay from KTH/Fiber- och polymerteknologi

   Author : Sara Johansson; [2022]
   Keywords : Hydrogen peroxide; Hydrogen peroxide bleaching; PCA; Tepidiphilus; beneficial bacteria; paper mill; Väteperoxid; väteperoxidblekning; PCA; Tepidiphilus; gynnsamma bakterier; pappersbruk;

   Abstract : På pappersmaskin 11 i Hallsta pappersbruk tillverkas högglansigt papper som bleks med väteperoxid. Om väteperoxiden som finns kvar efter blekningen, kallat restperoxid, kommer ut på pappersmaskinen sliter detta på termovalsarna, vilket påverkar slutprodukten. READ MORE

3. 2. Investigating the process parameters that influence the z-strength of liquid paperboard using data mining and machine learning

   University essay from Uppsala universitet/Tillämpad mekanik

   Author : Gustav Thaung Tolförs; [2021]
   Keywords : paperboard; liquid paperboard; z-strength; process parameters; machine learning; data mining;

   Abstract : Parameters affecting the z-strength of liquid paperboard (LPB) has been analyzed and identifiedusing data mining and machine learning on 6 years of operational data from a multi-ply LPB mill, and control and stabilizing of them was proposed. Linear regression models were built for 9 articles with satisfactory results, and whose attributes were further analyzed as the most important parameters for the z-strength. READ MORE

4. 3. Analysis of headbox structural strength : OptiFlo II TIS 2200

   University essay from

   Author : Niclas Huss; [2019]
   Keywords : ;

   Abstract : Valmet is a world leading supplier of tissue machines. In the tissue industry the demand on the machines is high to be able to produce the finest paper for use in products such as toilet paper and napkins. The machine components need to perform to be able to produce a product of consistent quality. READ MORE

5. 4. Headbox Slice Opening Arrangement : A developed version and a new one

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Viktor Bergström; [2014]
   Keywords : Headbox; Slice opening; Base weight; Formation;

   Abstract : The purpose of the headbox is to convert a flow of fiber suspension to a jet, with a thickness between 4 and 20mm and a width between 3 -8meters, depending on the paper machine model. To adjust the beam thickness, the lip adjustment arrangement is used. READ MORE

6. 5. Headbox Slice Opening Arrangement : An Alternative Solution for Tissue Machines

   University essay from Karlstads universitet/Fakulteten för teknik- och naturvetenskap

   Author : Greger Wik; [2011]
   Keywords : FEA; finite element; structural analysis; tissue machine; paper; headbox;

   Abstract : The head box in a tissue machine distributes the fiber suspension to a flat jet along the width of the machine. By adjusting the so-called lip opening, the flow is regulated and the jet is accelerated to match the machine speed. READ MORE