打浆度及浆网速变化对造纸法再造烟叶片基成形匀度的影响研究  

Study on the influence of pulp consistency and wire speed variation on the formation uniformity of reconstituted tobacco leaves papermaking method

作　　者：李慧帆 刘玉新 刘晶 冯涛 王志鹏 袁珏 李海龙 彭满朝 李忠任 LI Huifan;LIU Yuxin;LIU Jing;FENG Tao;WANG Zhipeng;YUAN Jue;LI Hailong;PENG Manchao;LI Zhongren(China Tobacco Schweitzer(Yunnan)Reconstituted Tobacco Co.,Ltd,Yuxi,Yunnan Province,653100 China;Kunming University of Science and Technology,Kunming,Yunnan Province,650500 China;Yunnan China Tobacco Industry Co.,Ltd.,Kunming,Yunnan Province,650231 China;China Tobacco MAUDUIT(Jiangmen)Paper Industry Co.,Ltd.,Jiangmen,Guangdong Province,529085 China)

机构地区：[1]中烟施伟策(云南)再造烟叶有限公司,云南省玉溪市653100 [2]昆明理工大学化学工程学院,云南省昆明市650500 [3]云南中烟工业有限责任公司,云南省昆明市650231 [4]中烟摩迪(江门)纸业有限公司,广东省江门市529085

出　　处：《中国烟草学报》2024年第5期39-49,共11页Acta Tabacaria Sinica

基　　金：云南中烟工业有限责任公司技术中心重大专项“再造烟叶赋香增味关键技术研究与应用”(2024YL04)。

摘　　要：【目的】研究再造烟叶浆料打浆度及浆网速比对再造烟叶片基匀度的影响,为再造烟叶生产提供依据。【方法】采用小型长网抄造试验纸机以不同打浆度的再造烟叶浆料在不同的浆网速条件下抄造再造烟叶片基,利用匀度仪对片基的匀度进行测定,同时检测片基的松厚度、透气度和抗张强度等指标。【结果】(1)随着浆料纤维打浆度升高,不同浆网速比下成形的片基匀度标准偏差均下降,片基成形匀度提高;(2)片基成形匀度较好的浆网速比可设定在0.95左右;(3)随着浆料纤维打浆度升高,不同浆网速比下成形的片基MD纵向抗张强度及CD横向抗张强度均升高;当浆料打浆度不变时,随着浆网速比升高,MD纵向抗张强度降低,CD横向抗张强度升高,而厚度、透气度变化不显著;(4)随着浆网速比的增大,不同浆料打浆度下成形的片基MD/CD抗张强度比值均下降;随着浆料纤维打浆度升高,片基MD/CD抗张强度比值逐渐下降,且浆网速比越小,下降越大;(5)随着浆料纤维打浆度升高,成形片基的厚度逐渐下降;(6)随着浆料纤维打浆度升高,成形片基的透气度逐渐下降;(7)浆料打浆度对片基匀度、MD纵向抗张强度、CD横向抗张强度、厚度、透气度的影响大于浆网速比对以上物理指标的影响。[Objective]This study aims to investigate the effects of pulp consistency and wire speed ratio on the uniformity of reconstituted tobacco leaf bases,providing a basis for the production of reconstituted tobacco leaves.[Methods]Using a small long-net papermaking trial machine,reconstituted tobacco leaf bases were produced under different pulp consistencies and wire speed conditions.The uniformity of the leaf bases was measured with a uniformity meter,and other parameters such as thickness,air permeability,and tensile strength were also tested.[Results](1)As the pulp fiber beating degree increases,the standard deviation of the base uniformity formed under different wire speed ratios decreases,and the formation uniformity of the bases improves;(2)A wire speed ratio of around 0.95 is preferable for better base formation uniformity;(3)As the pulp fiber beating degree increases,the MD longitudinal tensile strength and CD transverse tensile strength of the bases formed under different wire speed ratios increase;when the beating degree is constant,with increasing wire speed ratio,the MD longitudinal tensile strength decreases,the CD transverse tensile strength increases,but the changes in thickness and air permeability are not significant;(4)With an increase in the wire speed ratio,the MD/CD tensile strength ratio of the bases formed under different pulp beating degrees decreases;as the pulp fiber beating degree increases,the MD/CD tensile strength ratio gradually decreases,and the smaller the wire speed ratio,the greater the decrease;(5)As the pulp fiber beating degree increases,the thickness of the formed base gradually decreases;(6)As the pulp fiber beating degree increases,the air permeability of the formed base gradually decreases;(7)The impact of pulp beating degree on base uniformity,MD longitudinal tensile strength,CD transverse tensile strength,thickness,and air permeability is greater than the impact of wire speed ratio on these physical indicators.

关 键 词：造纸法 再造烟叶片基 打浆度 浆网速比 匀度 纵向抗张强度 横向抗张强度 

分 类 号：TS44[农业科学—烟草工业]