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济南复合袋分离有什么办法?
发布于:2020/12/31 废旧的纸塑复合袋通过分离可以再使纸塑复合袋回收利用,通常有两种方法:
  The waste paper plastic composite bags can be recycled through separation. There are usually two methods:
  一、通过纯加热的方法
  I. by pure heating
  将纸塑复合材料的纸面平放置加热板上,通过加热板加热;当温度在150℃~280℃之间;经过20秒~50秒的加热时,纸塑复合材料上的塑料开始收缩变形与纸面分离。
  Place the paper surface of the paper plastic composite on the heating plate, and heat it through the heating plate; when the temperature is between 150 ℃ ~ 280 ℃; after 20 ~ 50 seconds of heating, the plastic on the paper plastic composite begins to shrink and separate from the paper surface.
  本方法可以将过去无法处理的废旧纸塑料袋进行分离,从而使废纸可以再生,可利用制浆造纸;废旧塑料可再生造粒,重新拉丝制做纸塑复合袋,或注塑成新的塑料产品。
  The method can separate the waste paper and plastic bag which can not be treated in the past, so that the waste paper can be recycled and can be used for pulping and papermaking; the waste plastic can be recycled and granulated, and the paper plastic composite bag can be made by rewiring or injection molding into a new plastic product.
  二、通过有机溶剂溶解分离出纸单体
  2. Dissolving and separating paper monomer by organic solvent
  以废弃的纸塑复合材料为原料,用有机溶剂溶解分离出纸单体后,进行打浆造纸工序,原料在有有机溶剂的溶解槽内,经加热、搅拌,溶解纸塑复合材料的塑料层,分离纸单体和其它单体层,干燥后,分选出纸片打浆造纸。
  With the waste paper plastic composite material as the raw material, the paper monomer is separated by dissolving with organic solvent, and then the beating and papermaking process is carried out. The raw material is heated and stirred in the dissolving tank with organic solvent to dissolve the plastic layer of the paper plastic composite material, separate the paper monomer and other monomer layers, and after drying, the paper pieces are separated for pulping and papermaking.
  该方法简单可行,对纸塑复合袋分离效率高、效果理想,分离后的纸可用于造纸,降低了造纸生产成本;编织袋可以用于回收再造成编织袋或其他塑料产品,实现了资源循环综合利用,保护环境,具有很好的社会效益和经济效益。
  This method is simple and feasible, which has high separation efficiency and ideal effect for paper plastic composite bags. The separated paper can be used for paper making, reducing the production cost of paper making; woven bags can be used for recycling woven bags or other plastic products, realizing the comprehensive utilization of resources, protecting the environment, and having good social and economic benefits.
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