Pulp filter

Pulp dewatering machine is a key equipment in the papermaking industry, which is used to remove excess water from the pulp to make the pulp reach a suitable dryness to facilitate the subsequent papermaking process.

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1. Product Introduction

The belt filter press is a mechanical equipment widely used for solid-liquid separation. It is mainly used to process various suspensions and effectively separate solids from liquids.
For the pulp production industry, the pulp filter press is an indispensable equipment. It can filter pulp efficiently and improve production efficiency and product quality.
The pulp filter press has a good dehydration effect and can reduce the moisture content of pulp to a lower level to meet the requirements of different papermaking processes.
It can effectively separate the solid fibers and liquid in the pulp. The obtained filter cake has a high solid content and the liquid is relatively clear, which is conducive to subsequent treatment and recycling.

2 Principle Introduction

The pulp filter press mainly achieves filtration and dehydration through pressure difference. Inside the equipment, there are a series of pressing shafts and filter cloths. When the pulp is sent into the filter chamber of the filter press, under the action of external pressure (usually provided by the hydraulic system), the water in the pulp is squeezed through the filter cloth, and the solid fibers are trapped in the filter chamber. Then it is sent out through the filter cloth circulation movement.

3 Application scenarios

1. Pulping process in the papermaking industry: In the pulping process, the pulp filter press is used to remove moisture from the pulp so that the pulp reaches the appropriate dryness, providing conditions for subsequent papermaking processes such as papermaking. It can process pulp from different raw material sources, such as wood pulp, straw pulp, recycled fiber pulp, etc. For example, when producing high-end writing paper, it is necessary to control the moisture content of the pulp within a certain range through a pulp filter press to ensure the quality of the paper.
2. Pulp recycling: In the process of recycling waste paper into recycled paper, the pulp filter press can dehydrate the recycled pulp. This helps to remove impurities and excess water in the pulp and improve the quality of the recycled pulp. For example, when processing recycled old newspapers to make recycled pulp for newsprint, the pulp filter press can make the performance of the recycled pulp closer to that of the original pulp.

4 Production capacity