Medium rolling method of coiling part of paper machine

Abstract

The invention discloses a method for winding in the middle of a paper machine coiling section. Firstly, the paper lug is drawn on the paper lug operation side of the paper roll, and after the paper lug is successfully drawn, it is led to the middle position of the paper roll, and the paper lug is drawn to the middle position of the paper roll. After the ear stays in the middle position, the middle paper ear is then fully widened to both sides of the winding roll. The invention is applied to papermaking, and can realize the winding up of the paper strip from the middle in the take-up section of the paper machine, and then unwinding the whole width. The invention can effectively reduce the dead lines of the bottoming and improve the paper quality. The present invention is easy to operate when coiling and threading, and will not affect the threading time at all.

Description

1. Technical field [0001] The invention belongs to the field of papermaking, in particular to an intermediate winding method for a paper machine coiling section applied in the papermaking technology. 2. Technical Background [0002] In the current papermaking industry, when the paper machine is reeling, one side of the winding roll is the transmission side, and the other side is the paper lug operation side. The transmission side drives the paper roll to rotate, and the paper is smoothly wound by the mutual rotation of the paper roll and the hollow roll. [0003] The commonly used winding method in the traditional take-up section is to wind up from the side of the paper web through the small paper ear, and then unwind or roll up after the full width of the paper. The disadvantage of this method of winding up the reel of the paper machine is that when the small paper ear is widened from the operating side to the driving side, the paper layer on the operating side is relative...

AI Technical Summary

Problems solved by technology

The disadvantage of this method of winding up the reel of the paper machine is that when the small paper ear is widened from the operating side to the driving side, the paper layer on the operating side is relatively thick, so the tension in the diameter direction of the winding roll is inconsistent, resulting in deadlock. Only when the winding reaches a certain line length, the thickness difference between the transmission side and the operation side is no longer obvious, and the dead lines gradually disappear after the tension on the winding roller is stable.

Therefore, the traditional winding mode is easy to cause bottoming dead lines or paper damage, resulting in a large amount of paper damage

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