Coating Board Paper Making Line

Coated board paper making line include two parts:paper pulp making line and paper making line.So, a complete paper industry must contain paper pulp machines and paper machine. Paper pulp machine used to make waste paper become fine pulp for paper forming on the paper machine. However,The stock pulp for making Corrugated white cardboard paper is different from Kraft paper and Corrugated paper, because it need another pulp:top layer pulp which raw materials is white shavings.

Paper Pulp Making Line As Follows

1.Pulping: Waste papers are conveyed by chain conveyor into the hydrapulper for pulping.Due to the Corrugated white cardboard paper is more complicate than Kraft paper and corrugated paper,so ,it need more than one hydapulper to graving kinds of raw materials.
2.Screening: Kinds of stock pulp will enter a series screening equipment to remove oversized,troublesome and unwanted particles from good paper making fibers.
3.Finally the fine pulp will be screened again by more than one inflow pressure screen to into the kinds of headbox of paper machine. The complete paper pulp making line is finished.

Paper Making Line As Follows

1.Formatting of paper sheet: The paper will be formed from stock pulp on a cylinder machine,the paper will be removed the water as far as possible and carried onto the wire for sheet formation.
2.Pressing: As the Coated white cardboard paper sheet enters the press section it is still quite wet.Considerable amounts of water may be removed by the pressing and suction extered by the press part.
3.Drying: The sheet,as it passes from the press section,should be as dry as possible so that it can be made mechanically.From this point it is necessary to apply heat in order to reach the desired state of dryness.
4.Reeling and Winding: Paper making is a continuous process from the headbox to the calender.After the sheet leaves the calender it must be put into a form that can be easily transported and handled.

During the processing of paper making,some other equipments are also important,such as Pulp chest agitator and Pulp pump,etc. Welcome email us for further details. Email:

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