Discussion of dimensional stability in press felt, covering the influence of operating tension, standard line deformation, roll conditions, cleaning systems and section-specific usage on felt performance and service life.
Sun Hong’s seamed press felt enable quick and convenient installation. This article explores the causes of the vibration and provides you with solutions, enabling faster and more stable paper machine operation.
Optimize press section dewatering via press felt selection and conditioning, pressing parameters (line pressure,speed,water temp), rewet control, stagewise optimization.
The press section is the most likely location for impression to appear in the paper production process. Generally speaking, the dryness of the paper exiting section is between 18% and 22%. The wetter the paper is in the press section, the easier it is to change the fiber arrangement, causing fiber displacement and causing impression … The relationship between the press felt and the wet end of the paper machine and how to solve it?
What is paper rewet? Paper rewetting is a capillary water transfer phenomenon, which can occur even at high speed and with a short residence time in the nip. During the rewetting process, the water in the press felt enters the wet paper, and the water temporarily transferred to the grooves or holes returns to the … What’s the relationship between press felt and paper rewetting?
The common indoor cleaning of paper machines is to use a water spray pipe to continuously rinse the paper machine clothing. Among them, the hydraulic swing spray has better stability. In theory, the forming fabric rotates one circle and the water needle moves the width, which can ensure that the forming fabric is sprayed completely, … How to clean and spray the forming fabric and press felt?
With the development of the papermaking industry and the rapid increase in paper machine speed, there are further requirements for the dehydration of the press section. At present, the shoe press can greatly improve the dehydration effect when running on a high-speed paper machine. Compared with traditional pressing, the pressure zone of the shoe press … Advantages of shoe press compared to traditional press and its core – shoe press belt
In October, Sun Hong had the honor to participate in the paper exhibition held in Brazil. This exhibition brought together the top companies in the global paper industry, from pulp raw materials to finished paper suppliers to show the trend and future development direction of paper making technology. As the largest paper machine clothing supplier … 2024 Brazil Paper Exhibition-Sun Hong shoe press belt and paper machine clothing have made new breakthroughs
There are three common ways to transport paper from the couch roll to the press: (1) open, (2) sticky paper feeding, and (3) vacuum paper feeding. Paper and board machines will determine their paper feeding methods based on machine speed and basis weight. （1）What is open paper feeding? Transfer from the paper machine wire … What is pick up in paper making? What are the requirements for press felt?
As one of the paper machine clothing and an important equipment in the drying section of the paper machine, the dryer fabric can not only support the transportation effect during the drying stage, but also filter the water of the paper web to complete the forming. The dryer mesh can be divided into spiral dryer … What are the responsibilities of dryer fabric on paper machine? Do you know the types and advantages?
Chinese (Simplified)
Arabic
Dutch
English
French
German
Italian
Portuguese
Russian
Spanish