Once a paper machine enters the maintenance period, the doctor blade is often easily overlooked. But some simple routine maintenance can keep this device running efficiently and continuously.1. The first very effective routine is to replace the doctor blade as often as needed.
Invention and development of the paper machine. After the invention of papermaking, in the long history, after thousands of years, it has spread from China to West Asia, Europe, America, and all over the world. It was not until more than 1,600 years after the invention of papermaking that the first paper machine appeared in the world
(1) Key points of start-up operation of the drying section of the paper machine:1. Check whether there are any abnormal objects in each group of drying nets, whether there are sundries inside and outside the machine, and whether there is paper wrapped around the shaft head.
The paper machine is a combined machine composed of a series of ancillary equipment, divided into two parts, the wet part and the dry part. The wet part includes the sizing flow system, wire and pressing parts, and the dry part includes drying, calendering and coiling parts.
Our country’s paper machine branch transmission equipment used SCR DC speed regulation in the past. Due to the existence of slip rings and carbon brushes, the reliability and accuracy of the paper machine are not high, which leads to the backwardness of the paper machine machinery.
A paper machine is a machine that makes paper pulp that meets the papermaking requirements after beating and modulation. According to this definition, the paper machine should start from the main pulp inlet pipe of the headbox or the pulp feeding system that must be attached to it until the paper reel that rolls out the paper roll.