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| Analysis on Dynamic Filtering and Paper Sheet Forming Characteristics of the Forming Fabric |
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| DOI：10.11980/j.issn.0254-508X.2014.07.007 |
| Key Words:forming wire dynamic filtering paper performance |
| Fund Project:浙江省自然科学基金项目（NO.LY13C160006）;2012浙江科技学院交叉预研项目（NO.2012JC08Y）；浙江省“十二五”重点学科“制浆造纸工程”基金资助。 |
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| Abstract:Forming wire is a kind of fabrics weaved with polyester or nylonm filaments and applied to wet end of paper machine, it plays an important role on the forming process of paper and paper board. Dynamic filtering and paper sheet forming characteristics of the fabric were investigated by using two kinds of furnish and three kinds of typical forming wire. The results showed that weaving method had a significant influence on drainage and retention in spite of the same type fabric. It was a better choice to use low-cost type 2C forming wire for the pulp with relatively poor quality, and it won’t have adverse impact on sheet forming. In this series of experiments, type 2B forming wire with optimal design of knitting displaied the superiority of both retention and paper sheet forming over to type SSB. More retention of the fines could improve the bonding strength of the paper sheet. The earlier the forming of fiber mat on the forming wire, the better the retention of filler and fines. |
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