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Kraft paper machine


Key words:

corrugated paper machine

paper plate making machine

kraft paper recycling machine

corrugated paper making machine

Kraft paper machine



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The kraft paper machine can use various waste paper, recycled old cartons, wheat or straw, bagasse, virgin pulp, cotton, wood, etc. as raw materials to make kraft paper, and the finished product can be a huge paper roll.


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Detailed introduction

Kraft paper machines are categorized into kraft paper machines, corrugated paper machines, paperboard machines, etc. according to the type of paper produced. According to the type of paper former used, paper machines are divided into long mesh, round mesh, clip mesh and long round mesh models.
A paper machine can be viewed as a coupling machine consisting of several pieces of equipment. It is usually divided into two main parts: the wet part and the dry part. Wet section includes pulp flow equipment, net section and press section. Cadre includes the drying section, calender and winder.
1. Net section
Net is mainly used to remove the water in the pulp, it bears the vast majority of the dehydration task, in addition to a certain degree of disturbance to the pulp, while making the paper has a good molding, which consists of the top net and low net composition, the two nets are designed to make the paper in the water to the paper on both sides of the paper to take off, so as to reduce the two-sided nature of the paper.
In the design of the full consideration of the convenience of changing the net and the use of cantilever beam structure, its main components are molding board, dewatering board, vacuum case box, the upper suction box, loading table and preloading table, vacuum suction box, ambush roll, chest roll guide roll and doctor blade, drive net roll, water needle and high-pressure water spraying water and other components.
2. Press section
The press section of the paper machine is composed of several groups of roller presses. The wet paper web is drawn by the press felt and dewatered by mechanical extrusion between the press rolls. In order to maintain the good dewatering performance of the press felts, the upper rolls of the press are equipped with a felt washing device. After the press section, the dryness of the wet paper web is generally up to about 40%.

Technical Parameter

Product Kraft Paper Machine
Weight range 100-300g/m2
Trim paper width 3900mm
Rolled paper width 3950mm
Production capacity 120t/d
Working speed 130-200m/min
Design speed 200m/min
Crawling speed 25m/min
Wire width 4400mm
Rail distance 4900mm
Transmission method AC Motor Division drive
Arrangement model  one layer arrangement
The main products  high strength corrugated paperKraft liner paper
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