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  • 2022-08-15

    The pulping and papermaking processes in the paper industry are the main sources of papermaking wastewater.
    Pulping is to separate the fibers from the raw materials of trees, make fiber pulp, and then bleach; papermaking is to dilute the fiber pulp, shape, press, dry, and then make paper. Both processes discharge large amounts of wastewater. The wastewater produced by pulping is seriously polluted. The pollutant concentration in the wastewater discharged during pulp washing is very high, the BOD is as high as 10-36g/L, and it contains a lot of plant fibers, inorganic salts and pigments. The wastewater discharged from the bleaching process also contains a large amount of acid and alkali substances. The wastewater discharged from the paper machine contains a large amount of fibers and fillers and sizing materials added during the production process.
  • 2022-08-11

    The main role of pulping equipment in the paper machine production line is very important
    The main function of pulping equipment in the production line of the paper machine is very important. Shredded, continuously finer fibers, can be very good for the next production line of the paper machine.
  • 2022-08-08

    The History of Paper Machinery in my country
    Paper is one of the four great inventions in ancient China. As early as 105 AD, Cai Lun summed up the use of hemp since the Western Han Dynasty.
  • 2022-07-12

    Rewinding method of toilet paper rewinding machine
    The rewinding of the toilet paper rewinding machine includes an upper rewinding roller, a lower rewinding roller, a rear rewinding roller and a pressing roller having the same linear speed as the rear rewinding roller, which is characterized in that the pressing roller is in the base paper. The rewi
  • 2022-06-22

    Functional characteristics of paper pulping equipment
    Functional characteristics of papermaking and pulping equipment, papermaking machine is a general term for a complete set of equipment that makes pulp into paper web divisions, including headbox, wire section, press section, drying section, calender, reel and transmission. Main engine and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery, etc.
  • 2022-06-17

    To play the paper machine, you must first get the headbox
    To play the paper machine, you must first get the headboxThe headbox has always been considered the heart of the paper machine and plays a decisive role in the quality of the paper. The headbox of a modern paper machine is very automated, but it is still necessary to know how it operates. This artic
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