pulp mill equipment – Paper machinery-paper making machine,paper manufacturing machinery https://www.cnpapermachinery.com Manufacturer of complete pulp,paper plant machinery Thu, 19 Sep 2024 03:09:29 +0000 zh-Hans hourly 1 https://wordpress.org/?v=6.8.3 https://www.cnpapermachinery.com/wp-content/uploads/2018/11/cropped-tubiao-32x32.jpg pulp mill equipment – Paper machinery-paper making machine,paper manufacturing machinery https://www.cnpapermachinery.com 32 32 Pulp Mill and Paper Mill https://www.cnpapermachinery.com/what-is-a-fourdrinier-or-a-cylinder-mould-made-paper-machine-2/ https://www.cnpapermachinery.com/what-is-a-fourdrinier-or-a-cylinder-mould-made-paper-machine-2/#respond Mon, 18 Jul 2005 04:16:31 +0000 http://www.cnpapermachinery.com/?p=2387 Pulp mill
Pulp is the main source for paper making. It is produce at pulp mill. After production paper pulp is supplied to paper mill for paper making.
Wood is the most widely used raw material for paper pulp. Without wood there are some other things are used for pulp making that are cotton, linen, bombax wool, jute hemp, sisal hemp, Manila hemp, straw, esparto, Pineapple leaf fiber, palm, coconut fiber, sugar cane, Bamboo etc.
Classification of pulp wood
Coniferous or Soft wood trees: spruce, pine, fir (balsam), larch, tamarack, cypress, Douglas fir, hemlock etc.
Broad leaf or hard wood trees: eucalyptus, aspen, maple, Poplar, Tulip, Basswood, birch etc.
Where softwood trees produce long fiber and hard wood produce short fiber.
Pulp manufacturing
Mechanical
Semi-chemical
Fully chemical methods (Kraft and sulfite processes)
The finished product may be either bleached or non-bleached. Bleached pulp used to produce a white paper product.

Paper mill
A paper mill is an industry where paper making using paper pulp. Paper is essential in every step of our life. we used paper for writing, printing, packaging, drawing, cleaning purpose. For prepare paper in paper mill main ingredient is pulp which is based on cellulose. About 2000 BC the people of near the Nile River used a leaf for writing. The name of the tree is “papyrus”. The Paper was invention in 200 BC by the people of China. The word paper comes from the name of papyrus. Before the invention of first paper machine in England in 1803 people made paper by hand. Then in 1804 fourdrinier brothers developed the paper machine which is known as fourdrinier paper machine. Modern twin-wire formers paper machine was invention by D. webster in 1953.
A paper mill mainly divided into three section stock preparation, paper machine and paper machine auxiliaries. Here refer to some paper mill chemicals, materials and machine.

 

 

 

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