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雙元助留劑試驗成功

2014-07-10

双元助留顾名思义即在流送系统添加两种助留剂，从而提高助留效率。研究中也发现使用两种不同电荷的聚电解质可以产生强度较高的硬韧型絮团并且助留效果最佳。而且双元助留它的好处在于它不但可以减少细小纤维及填料的流失，且可以使管道保持长时间的清洁，减少了刷洗的次数，并且优越会也只有在单程留着率较高的条件下才可以通过降低上网浓度这一途径以进一步提高成纸的匀度。随着优越会公司各台纸机的技术改造以及纸机车速的不断提高，单纯靠增加聚丙烯酰胺的用量已无法达到提高单程留着率的效果。因此，自2013年以来，公司技术开发处就努力尝试、试验各种型号的双元助留剂，来提高成纸的匀度，但是效果并不理想。

爲此，技術開發處的工作人員從來沒有放棄。5月28日，他們重新在抄紙四車間試用了雙元助留劑，在試用期間技術人員全程跟蹤，在投入使用過程中時刻關注其發生的變化，及時通知車間進行准確的調整，以保證車間的正常生産運行。通過多次取樣化驗數據進行對比，發現這次試驗的效果很好，單程留著率在單元的基礎上能夠提高十個百分點左右，而助留劑的成本也只是增加5元左右。接下來技術處要趁熱打鐵，在抄紙四車間進行中試，如果效果依舊明顯，那麽就可以在其他抄紙車間投入使用了。雙元助留劑的試驗成功，解決了一個長期困擾優越會的難題，這將是公司生産工藝提升進程中的一次大飛躍！

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