造纸专业英文词汇_

造纸专业英文词汇_
Papermaking is a fascinating industry that has evolved over thousands of years. From the use of papyrus in ancient Egypt to the modernization of paper mills, the art of papermaking has been a crucial element in the growth of civilization. In this article, we will explore the essential English vocabulary related to papermaking.
1. Raw materials
The raw materials required for papermaking include wood chips, recycled paper, and pulp. Wood chips are the most commonly used raw material in the paper industry and are obtained from tree trunks that have been debarked and chipped into small pieces. Recycled paper is another source of raw material that is commonly used in the production of paper. Pulp is created by chemically or mechanically breaking down wood chips or recycled paper.
2. Stock preparation
Stock preparation involves the processing of raw materials to produce the pulp that is used in the papermaking process. The primary goal of stock preparation is to create a uniform, consistent pulp that can be easily formed into paper. Some of the
equipment used in stock preparation includes pulping equipment, refining equipment, screens, and cleaners.
3. Paper machine
The paper machine is the heart of the papermaking process. It is a massive machine that is capable of producing large amounts of paper in a continuous process. The paper machine consists of various components, including forming section, press section, and dryer section.
4. Forming section
The forming section of the paper machine is where the pulp is transformed into paper. This section includes the headbox, the wire section, and the press section. The headbox is where the pulp is introduced onto the wire section, which is a continuous belt that carries the pulp through the machine. The press section is where excess water is removed from the pulp, and the paper is formed.
5. Press section
The press section of the paper machine is where the paper is pressed to remove excess water. This section includes various types of presses, including the suction press, the shoe press, and the soft-nip press.
6. Dryer section
The dryer section is where the paper is dried to its final moisture content. This section includes a series of steam-heated cylinders that are arranged in sequence.
7. Calendering
Calendering is a process used to smooth out the surface of the paper, increase its gloss, and improve its printability. The calendering process involves passing the paper through a series of rollers that exert pressure on the paper, compressing and smoothing it.
8. Coating
Coating is the process of coating the surface of the paper with various materials to improve its properties. This can include coatings that make the paper more water-resistant or coatings that enhance its printability.
9. Finishing
Finishing is the final stage of paper production. It includes a variety of processes, including slitting, cutting, folding, and packaging. The finished paper is cut into specific sizes, folded if necessary, and packaged for shipping.
Conclusion
Papermaking is a complex and fascinating process that requires knowledge and skill in various fields. With this English vocabulary related to papermaking, we hope to provide a better
understanding of the essential elements of paper production. Whether you are a student, a researcher, or a layperson, understanding the language of papermaking will give you insight into its history, its mechanics, and its relevance to our daily lives.。