Paper roll improvement
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The world's competition in paper manufacturing is becoming more and more intense and complicated. To survive in such a complex environment, companies must work hard to improve quality, reduce waste, increase production, and make the production process of the company more effective. Here are some new ways and techniques to improve paper travel.
The current situation is that many companies spend a lot of energy on storage and fiber conservation, including the use of lighter materials, the use of higher ash paper, and the use of recycled fiber. This saves material, but it affects the paper-feeding properties of the web, which reduces the quality of the paper produced. At the same time, papermakers must speed up the machine to keep the paper in a normal state during production. Producing such paper, there is no gap between the machine and the paper, so the dryer does not work properly. To handle such high-sensitivity cardboard, a better roller is required, as well as precise control of the paper pressure.
In recent years, an innovative design has been invented by using a consistency profile, which is a cross-feeding type of paper. Control paper dosing by changing the consistency so that the blade remains consistent in the machine. When the knife edge and the baffle are parallel, the jet velocity will change, resulting in uncoordinated fiber orientation. The profile and the knife edge are all passed through the machine transverse slit, and the weight control is not controlled by the fiber angle. A major advantage of the consistency profile is that the speed of the paper machine guarantees the quality of the print. The consistency profile allows the machine to start cold, shift gears and shut down the machine less than other techniques. The final effect of using this technology is that it saves a lot of cost and the quality of the product is greatly improved.
ENP technology is a major technological breakthrough in the paper-feeding nature of webs. This technology was first used in the production of linear cardboard and corrugated paper. The increased squeezing force of this technique increases the dryness of the paper. For this reason, it has become the technical standard for the cardboard industry. Some ENP technologies can operate at speeds up to 1500KN/M. ENP technology is now heavily used in the identification of paper grades. A large number of experiments have shown that under the ENP technical conditions, the dryness of the board can reach 6 points. Because of these advantages, ENP technology is a powerful auxiliary tool in the production of fine paperboard.
Pulp is also an important factor in ensuring paper-feeding. Fully automated systems are now being used to detect consistency, freeness, average fiber length, fiber length distribution, curl and roughness of the pulp. In addition, it can detect brightness, color and luminosity.
RRS MICROPOS is the latest device to control the pressure of the nip line. This control equipment monitors the hardness and pressure of the product, which guarantees the highest quality of the product. Because it quickly determines where and why paper breaks, this digital system is now being used in large quantities in paper mills to maximize paper breakage.
A CM-3630 spectrophotometer that detects color, brightness and fluorescence in a timely manner. ABB has invented three new tooling machines, one is a dilution tool machine, one is a weight-based machine tool, and the other is a blade-type tool machine. These new tooling machines are capable of quickly detecting changes in paper dosing and coating dosing, resulting in improved product quality.
The latest invention is a new type of monitoring tool that provides faster, more valuable data and alerts potential quality issues to keep the machine in a fast working condition. This type of monitoring tool is mainly used in paper machines, and the use of this tool can maximize the paper feedability of the paper.