Features Of Combined Press Roll
Time : 2020-09-23
The combined press technology is one that most papermaking enterprises will choose at present, and it can be adapted to various types of paper machines. Composite type currently pressed many as a dozen, they are mainly used: three the two pressure rollers zone combined press, three four-roll press zone combined pressed in and shoe press combinations. Different types of the combined press have different characteristics. Here we introduce the eight application features of the combined press:

1. A high feed press section dewatering efficiency and drying the web portion dryness degree ;

2. The damaged paper in the press section is easy to handle ;

3. Symmetrical dehydration is beneficial to reduce the difference between the two sides of the paper web ;

4. Shorten the length of the press section of the paper machine, saving the length and building area of the papermaking workshop ;

5. Good adaptability to paper types, suitable for high-speed paper machines, simple pick up;

6. The combined press can do threading closed or open after pressing the composite primer paper, the paper can be reduced machine wet end times of breakage, the machine speeds ;

7. The use of the combined press for straw pulp papermaking is helpful to solve the problems of short fibers, many non-fibrous cells, sticky rolls and broken ends during papermaking. Cooperating with the modification of the net and drying section, the paper machine speed can be further increased.

8. Backpressure threading without barriers, anti-press may be provided as soon as possible, to reduce the difference between both sides of the sheet. The wetter the paper sheet, the better the plasticity, so the earlier the back-pressing occurs, the better it is to reduce the difference between the two sides of the paper sheet, but it is impossible for the normal pressing to appear as early as possible. If the press felt is on the top, it means that the wet paper sheet is suspended and easy to break; if the press felt is on the bottom, the strength of the wet paper sheet is not enough to cope with the wet paper sheet turned upside down, and the paper sheet is easily broken. Head phenomenon.

The above is the application features and advantages of combined press shared by our company. There are still many application advantages of the combined press, which can meet the pressing of different paper types, and then produce high-quality paper products, which are widely used in many industries. Combined press technology is also used by most papermaking companies. It is essential to select the appropriate process to ensure the quality of paper products.

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