Paper Making Machine Working Process Explained

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Transcript

00:00The real genius who invented papermaking paper is mainly composed of plant fibers.

00:04Wood is rich in fiber and is the preferred raw material for papermaking.

00:09Pay attention.

00:10Do you know how the modern paper industry makes paper?

00:13First, the logs are washed with steam or hot water to remove dirt, sand, etc.

00:18Then the logs are trimmed to prevent them from getting stuck during the debarking process.

00:23Next, they enter the debarking drum to remove the outer bark.

00:27The debarked wood segments pass through a conveyor with a metal detector to remove metal fragments.

00:32The log segments are sent to a rotating disc with sharp cutting blades,

00:36where the wood is cut into small wood chips.

00:39These small wood chips are sent to a digester

00:42and boiled in an acid solution to dissolve and separate the lignin,

00:46thus obtaining a pulp containing cellulose.

00:48The fibers are then washed to remove the acid solution.

00:52So how is pulp converted into paper?

00:54The pulp is first bleached, then diluted with water.

00:58Calcium carbonate and fillers such as clay are added,

01:02along with fluorescent brighteners to improve the appearance.

01:05The pulp is squeezed through a series of rollers to remove moisture.

01:09After drying and stretching to smooth, it forms a continuous paper strip.

01:14The finished paper strip is rolled into large rolls

01:17and transported to a processing plant where it is processed into various products,

01:22including your favorite banknotes.

01:24Like and follow for more informative videos.

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