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20

2025-03

Recycling of wastewater from small paper machines

Recycling of wastewater from small paper machines

White water refers to the water removed during paper formation, as well as the water further removed by the vacuum box and press. The recycling of white water involves using various methods to treat paper machine white water, reducing its suspended solids content, and reusing it in the pulp and papermaking process as a substitute for fresh water. The purpose is to reduce fresh water consumption and decrease wastewater discharge and the loss of solids. An effective method in paper mills is to use a paper machine white water recycling system to treat paper machine white water. So, what methods are there?

20

2025-03

What are the components of a small paper machine?

What are the components of a small paper machine?

The host is roughly divided into three parts: the wet part, the dry part, and the curling part. The wet part can be understood as the part of the paper sheet with a relatively high water content; the dry part is the part where the paper sheet has very little water and is considered dry; and the curling part is the mechanism by which the paper sheet is curled.

20

2025-03

How to deal with the coarse texture phenomenon in the paper-making machine production?

How to deal with the coarse texture phenomenon in the paper-making machine production?

Paper machines encounter various problems during paper production, all due to different factors. By identifying the root cause during production, these issues can be addressed calmly and effectively. The appearance of coarse texture in paper produced by a paper machine may be caused by factors in pulping or papermaking processes. In pulping, improper combinations of materials and additives, low freeness, and in papermaking, unsuitable doctor blade angle, excessive steam usage, and alkaline white water can all lead to coarse texture.

20

2025-03

Classification of papermaking machines

Classification of papermaking machines

The types of papermaking machines are specifically classified based on the type of paper forming device used. They are categorized into: 1. Long wire machine; 2. Round wire machine; 3. Multi-wire former machine; 4. Hybrid long and round wire machine.

20

2025-03

Do you know the history of papermaking machines?

Do you know the history of papermaking machines?

As we all know, the invention of paper is one of China's four great inventions and has a long history in China. Up to now, the ancient method of papermaking is still being passed down in some remote areas and is sought after by some enthusiasts.
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